CN211527077U - Vibrating and stirring device of vacuum induction furnace - Google Patents

Abstract

The vibrating and stirring device for the vacuum induction furnace comprises an induction furnace shell, an induction furnace coil, an induction furnace smelting crucible and an induction furnace shell upper cover; a crucible vibrating rod screw rod, a vibrating rod screw rod rotating hand wheel, a vibrating rod screw rod upper seal, a vibrating rod screw rod outer sleeve and a vibrating rod telescopic claw; the vibrating and stirring device is arranged on the upper cover of the furnace shell of the vacuum induction furnace; a rotating hand wheel of a vibrating rod screw rod, a seal on the vibrating rod screw rod, and a vibrating rod screw rod outer sleeve are arranged on a crucible vibrating rod screw rod; the vibrating rod telescopic claw is arranged at the lowest part of the crucible vibrating rod screw rod. A hollow tube in a crucible vibrating rod wire rod piece penetrates through a small-diameter wire lever, and the head of the rod piece in the furnace adopts a telescopic mechanical claw structure; the advantages are that: the device is simple, safe and reliable; convenient maintenance and low cost. The crucible refractory can not be damaged, the force is adjustable, and the telescopic claw is adopted for rotating and stirring the powdery furnace burden on the surface of the molten steel, so that the contact area of the powdery furnace burden with the molten steel is reduced, and the adhesion loss is reduced. The universality is strong, and the popularization significance is great.

Description

Vibrating and stirring device of vacuum induction furnace

Technical Field

The utility model relates to a vacuum smelting auxiliary assembly technical field especially relates to a vacuum induction furnace charge vibrating agitating unit of adhesion vibration and molten steel surface stirring function of crucible furnace charge bridging suitable for vacuum induction furnace steelmaking.

Background

At present, when a steel-making furnace of a vacuum induction furnace is used, the steel-making furnace is developed into one of important processes for producing special steel, precision alloy, electrothermal alloy, high-temperature alloy, corrosion-resistant alloy and other special alloys. The vacuum induction furnace smelting becomes common, and two principles of vacuum smelting are applied as follows: induction heating and vacuum systems. In the existing vacuum induction furnace equipment system, a material smashing device is conventionally configured, the device is a metal round bar with the diameter of 20mm, the size is long, the device is convenient to pull up and down, and furnace burden is stirred or vibrated to adhere to the furnace burden to a certain position so as to be dropped into the furnace for melting. The device has large operation force, difficult up-and-down control and difficult vibration force mastering, easily causes great damage to refractory materials of a crucible in the furnace, and easily causes the phenomenon that a material tamping rod is out of control and mistakenly enters molten steel to cause molten steel splashing, and the molten steel and alloy in the furnace are adhered to cause element component loss. Causing no small trouble for the smelting of the induction furnace. Especially, under the condition that powder alloys such as carbon powder, electrolytic manganese and the like are added and then stirring is needed, the use is very difficult to control.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide one kind and can guarantee to vibrate adhesion furnace charge and make power concentrate, do not hinder the resistant material of crucible, the dynamics is adjustable, and the effect that receive and releases fast adopts flexible claw rotary stirring to the stirring of the likepowder furnace charge of molten steel surface, reduces with molten steel furnace charge area of contact, reduces the vacuum induction furnace agitating unit that vibrates of adhesion loss.

The utility model provides a technical scheme that its technical problem adopted is: the vibrating and stirring device for the vacuum induction furnace comprises an induction furnace shell, an induction furnace coil, an induction furnace smelting crucible and an induction furnace shell upper cover; the method is characterized in that: a crucible vibrating rod screw rod, a vibrating rod screw rod rotating hand wheel, a vibrating rod screw rod upper seal, a vibrating rod screw rod outer sleeve and a vibrating rod telescopic claw; an induction furnace shell and an induction furnace shell upper cover are arranged outside the vacuum induction furnace; an induction furnace coil and an induction furnace smelting crucible are arranged in the vacuum induction furnace; the vibrating and stirring device is arranged on the upper cover of the furnace shell of the vacuum induction furnace; a rotating hand wheel of a vibrating rod screw rod, a seal on the vibrating rod screw rod, and a vibrating rod screw rod outer sleeve are arranged on a crucible vibrating rod screw rod; the vibrating rod telescopic claw is arranged at the lowest part of the crucible vibrating rod screw rod. It is also characterized in that: a rotary hand wheel of a vibrating rod screw rod is fixedly connected with a crucible vibrating rod screw rod; a hollow tube in a crucible vibrating rod wire rod piece penetrates through a small-diameter wire lever, and the head of the rod piece in the furnace adopts a telescopic mechanical claw structure; the rotary hand wheel of the vibrating rod screw rod is arranged at the end part of the rod piece outside the furnace, and the rotary hand wheel is used for controlling the vibrating, the stirring force and the depth. Install and shake the difunctional setting of flexible claw screw drive flexible claw of pole lead screw that vibrates at crucible, specifically for it adopts the lead screw closely to laminate the rotation precision controllable to smash material pole depth mechanism, and it has flexible claw rotation and stirs, stirring dynamics, depth are controllable, smashes the stirring mechanism that vibrates that material stirring furnace material drops stabilization function and adopts the rotatory flexible claw structure of lead screw. The vibrating rod screw rod outer sleeve is connected with the induction furnace shell upper cover in a transmission stable structure; the upper seal of the vibrating rod screw rod is combined with the crucible vibrating rod screw rod and the vibrating rod screw rod outer sleeve to form tight sealing connection.

The utility model discloses a theory of operation: the vibrating rod piece is designed to be sleeved inside and outside, so that the vacuum sealing problem is solved, and the stirring problems that furnace burden is adhered to the surface of molten steel and needs to be vibrated in the smelting process in a vacuum state and powdery alloy is added to the surface of the molten steel are solved. The lever rotating stepping mechanical structure with the inner wire rod is adopted, the force is small, the stepping is uniform, the control is easy, the downward detection and lifting speed is controllable, and the loss of furnace burden adhered to the surface of the stirring molten steel is less. The situation treatment in the smelting process can be effectively solved, and the panic and the probability of the out-of-control state in the smelting process can not be caused. Is beneficial to safely and smoothly finishing the smelting operation. The metallurgical furnace burden is uniformly and stably dissolved in the heating and alloying processes, so that splashing is reduced, evaporation and volatilization loss is less, and the realization of the plan target of a smelting experiment is better ensured. The composite device comprises a vibrating rod screw rod, a vibrating rod telescopic claw, a vibrating rod screw rod upper seal, a screw rod rotating hand wheel and other mechanisms; a hollow pipe in the vibrating rod piece penetrates through a thin-diameter wire lever, the head of the rod piece in the furnace adopts a telescopic manipulator (claw) structure, and the end part of the rod piece outside the furnace adopts a rotating hand wheel to control the vibrating, stirring and depth.

The utility model has the advantages that: the lever rotating stepping mechanical structure with the inner wire rod is adopted, the force is small, the stepping is uniform, the control is easy, the downward detection and lifting speed is controllable, and the loss of furnace burden adhered to the surface of the stirring molten steel is less. The situation treatment in the smelting process can be effectively solved, and the panic and the probability of the out-of-control state in the smelting process can not be caused. Is beneficial to safely and smoothly finishing the smelting operation. The use effect of the smelting furnace is ensured, and the device is simple, safe and reliable; convenient maintenance and low cost. The utility model discloses can guarantee that the adhesion furnace charge that vibrates makes power concentrate, does not hinder the resistant material of crucible, and the dynamics is adjustable, and the effect that receive and releases fast to the stirring of the likepowder furnace charge of molten steel surface, adopts flexible claw rotation stirring, reduces with molten steel furnace charge area of contact, reduces the adhesion loss. The universality is stronger, and the popularization significance is larger.

Drawings

Fig. 1 the embodiment of the utility model provides a vacuum induction furnace stirring apparatus that vibrates overall schematic diagram.

In the drawings: 1. an induction furnace shell; 2. an induction furnace coil; 3. smelting a crucible in an induction furnace; 4. an upper cover of the induction furnace shell; 5. crucible pot

A vibrating rod screw rod; 6. a vibrating rod lead screw rotates a hand wheel; 7. the vibrating rod screw rod is sealed; 8. a screw rod outer sleeve of the vibrating rod; 9. the flexible claw of vibrating rod.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the accompanying drawings: provided is a vibrating and stirring device of a vacuum induction furnace, as shown in figure 1: comprises an induction furnace shell 1, an induction furnace coil 2, an induction furnace smelting crucible 3 and an induction furnace shell upper cover 4; a crucible vibrating rod screw rod 5, a vibrating rod screw rod rotating hand wheel 6, a vibrating rod screw rod upper seal 7, a vibrating rod screw rod outer sleeve 8 and a vibrating rod telescopic claw 9; an induction furnace shell 1 and an induction furnace shell upper cover 4 are arranged outside the vacuum induction furnace; an induction furnace coil 2 and an induction furnace smelting crucible 3 are arranged in the vacuum induction furnace; the vibrating and stirring device is arranged on the upper cover of the furnace shell of the vacuum induction furnace; a vibrating rod screw rod rotating hand wheel 6, a vibrating rod screw rod upper seal 7 and a vibrating rod screw rod outer sleeve 8 are arranged on a crucible vibrating rod screw rod 5; the vibrating rod telescopic claw 9 is arranged at the lowest part of the crucible vibrating rod screw rod 5. A vibrating rod screw rod rotating hand wheel 6 is fixedly connected with a crucible vibrating rod screw rod 5; a thin-diameter screw lever penetrates through a hollow tube in 5 pieces of the crucible vibrating rod screw rod, the head of a rod piece in the furnace is of a telescopic mechanical claw structure, and the end part of a rod piece outside the furnace is provided with a rotary hand wheel to control the vibrating, stirring and depth. Install and shake the difunctional setting of flexible claw of the flexible claw of 9 screw drive of the flexible claw of the pole of vibrating 5 of crucible, specifically for it shakes the pole that the depth mechanism adopts the lead screw closely to laminate rotary accuracy controllable, and its stirring mechanism that vibrates adopts the rotatory flexible claw structure of lead screw, flexible claw rotation stir, stirring dynamics, depth are controllable, smash the material stirring furnace burden and drop stably. The lead screw main body frame of this embodiment installs at induction furnace stove outer covering upper cover 4, relies on the vibrating rod lead screw overcoat 8 to be connected for driven stable structure with induction furnace stove outer covering upper cover 4, and sealing performance relies on vibrating rod lead screw upper seal 7 and crucible vibrating rod lead screw 5 and vibrating rod lead screw overcoat 8 to form the combination sealed form and guarantee to form tight effect. The utility model discloses work flow: the process of vibrating and stirring the furnace burden of the smelting furnace is realized as follows: the vibrating action mainly depends on the rotation and stepping of the screw rod, the telescopic claws 9 of the vibrating rod extend to form claw shapes so as to stir the furnace burden adhered to the inner wall of the crucible, and the function of slightly stirring the surface of the powdery furnace burden on the surface of the molten steel is also realized. The screw rod is tightly matched to control the advancing and retreating precision of the screw rod, the adhesion probability of the telescopic claw contacting with molten steel is reduced, and the flexible advancing and retreating is realized. The furnace burden adhesion condition in the furnace can be observed in real time through an original manual observation port of the induction furnace cover, the rotation angle of the rotary hand wheel 6 of the vibrating rod lead screw is adjusted according to needs, and then the telescopic grabbing opening size and the rotation angle of the lead screw are adjusted, so that the furnace burden slowly slides into the smelting furnace to be dissolved under the action of adhesion inertia force. The furnace charge vibrating and stirring device of the embodiment adopts screw rod transmission, has good stability, controllable screw rod transmission speed and controllable force, is suitable for separation and falling of various furnace charge adhesion and hardening blocks, has strong environmental adaptability and is simple and convenient to maintain. Through inspection, the method is simple to operate, convenient to maintain, controllable in rotating stepping position and sealing, and capable of relieving controllability of smelting rhythm caused by furnace burden adhesion, improving labor environment and reducing labor intensity. The device can realize uniform stepping of the screw rod, controllable force path, controllable stirring force of the ramming material and controllable depth, controls the upper part of the crucible and the alloy furnace burden on the surface of the molten steel to be separated from adhesion and enter a molten steel bath for full dissolution, and has safe and reliable operation and control.

Claims (4)

1. A vibrating and stirring device of a vacuum induction furnace comprises an induction furnace shell (1), an induction furnace coil (2), an induction furnace smelting crucible (3) and an induction furnace shell upper cover (4); the method is characterized in that: the device also comprises a crucible vibrating rod screw rod (5), a vibrating rod screw rod rotating hand wheel (6), a vibrating rod screw rod upper seal (7), a vibrating rod screw rod outer sleeve (8) and a vibrating rod telescopic claw (9); an induction furnace shell (1) and an induction furnace shell upper cover (4) are arranged outside the vacuum induction furnace; an induction furnace coil (2) and an induction furnace smelting crucible (3) are arranged in the vacuum induction furnace; the vibrating and stirring device is arranged on the upper cover of the furnace shell of the vacuum induction furnace; a vibrating rod screw rod rotating hand wheel (6), a vibrating rod screw rod upper seal (7) and a vibrating rod screw rod outer sleeve (8) are arranged on a crucible vibrating rod screw rod (5); the vibrating rod telescopic claw (9) is arranged at the lowest part of the crucible vibrating rod screw rod (5).

2. The vibrating agitator of vacuum induction furnace as claimed in claim 1, wherein: a rotary hand wheel (6) of the vibrating rod screw rod is fixedly connected with a crucible vibrating rod screw rod (5); a small-diameter screw lever penetrates through a hollow tube in the crucible vibrating rod screw rod (5), and the head of the rod in the furnace adopts a telescopic mechanical claw structure; a vibrating rod screw rod rotating hand wheel (6) which controls the vibrating, stirring force and depth by adopting a rotating hand wheel is arranged at the end part of a rod piece outside the furnace.

3. The vibrating agitator of vacuum induction furnace as claimed in claim 1, wherein: install at the flexible claw of vibrating rod (9) of the bottom of crucible vibrating rod lead screw (5) the difunctional setting of screw drive flexible claw, specifically for it adopts the lead screw closely to laminate the rotation precision controllable to smash material pole depth mechanism, it has flexible claw rotation stir, stirring dynamics, depth controllable, smashes material stirring furnace material and drops the stirring mechanism that vibrates of stabilizing function and adopts the rotatory flexible claw structure of lead screw.

4. The vibrating agitator of vacuum induction furnace as claimed in claim 1, wherein: the vibrating rod screw rod outer sleeve (8) is connected with the induction furnace shell upper cover (4) through a transmission stable structure; the upper seal (7) of the vibrating rod screw rod is combined with the crucible vibrating rod screw rod (5) and the vibrating rod screw rod outer sleeve (8) to form tight sealing connection.

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