CN114719602A

CN114719602A - Crucible furnace workstation

Info

Publication number: CN114719602A
Application number: CN202210338070.2A
Authority: CN
Inventors: 盛富春; 盛镝
Original assignee: Yantai Shenglida Engineering Technology Co ltd
Current assignee: Yantai Shenglida Engineering Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-08

Abstract

The invention discloses a crucible furnace workstation which is arranged at a furnace platform for placing a crucible furnace. The workstation comprises a base frame, wherein the base frame is fixedly arranged relative to the furnace platform; the base frame is provided with a translation working arm capable of horizontally rotating relative to the base frame, and a first slag fishing mechanism and a second slag fishing mechanism which are arranged at two ends of the translation working arm, wherein the first slag fishing mechanism is used for operating the crucible furnace, the second slag fishing mechanism is used for operating the metal ladle, and the first slag fishing mechanism, the second slag fishing mechanism and the second slag fishing mechanism can be used for feeding, measuring temperature and monitoring operation of metal liquid. The invention can realize the mechanized and automatic operation of the furnace platform, save the space of the furnace platform, optimize the layout of the equipment, realize the multifunctional multi-station operation, reduce the cost and improve the working efficiency.

Description

Crucible furnace workstation

Technical Field

The invention relates to a system device for realizing mechanized and automatic tapping operation of a crucible furnace.

Background

The molten metal discharging process of the crucible furnace (mainly comprising an electric induction furnace) comprises the following steps: after molten metal is smelted in the furnace, the molten metal in the furnace needs to be fished out, then a metal ladle is moved to the position near a furnace platform by using a travelling crane or other equipment, the molten metal is poured into the metal ladle, and finally scum in the metal ladle is cleaned. In the whole process, the operations of clamping, sampling, feeding and the like on the molten metal are required, and the storage problem of the slag is solved.

At present, the operation of discharging molten metal is based on a traditional electric furnace operation table, besides certain mechanical operation can be realized in the process of pouring molten metal into a metal bag, other operations such as sampling and slag fishing mainly depend on manpower, and the operations can be carried out under the assistance of a slag fishing mechanism in partial scenes. If rely on manual operation completely, operating personnel need stand in the stove top and be close to metal package one side, and the straight side is operation nearby, and both dangerous has high temperature to toast again, and operating environment is poor. Even if the mechanized slag removal can be realized by means of the slag dragging mechanism, the following problems also exist: (1) at least two slag dragging mechanisms aiming at the electric furnace and the metal ladle also occupy a large amount of furnace platform space, are difficult to arrange and even influence the operation of other procedures. (2) Receive the operation panel and drag for the restriction of sediment mechanism operating space, the sediment of fishing out is not convenient for put below the stove top, only can place in the sediment fill on the stove top, has further taken up valuable stove top space, influences the operation, and the slag of while high temperature has also brought the potential safety hazard.

Disclosure of Invention

The invention provides a crucible furnace workstation, which aims to: when realizing mechanized, automation mechanized operation, save stove platform space, realize dragging for the multi-functional and more rationalization's of sediment mechanism overall arrangement, improve work efficiency.

The technical scheme of the invention is as follows:

a crucible furnace workstation is arranged at a furnace platform for placing a crucible furnace, and comprises a base frame, wherein the base frame is fixedly arranged relative to the furnace platform;

the base frame is provided with a first slag fishing mechanism and a second slag fishing mechanism which can horizontally rotate relative to the base frame, the first slag fishing mechanism is used for operating the crucible furnace, and the second slag fishing mechanism is used for operating the metal ladle.

As a further improvement of the crucible furnace workstation: the base frame is provided with a lifting mechanism, a first rotating mechanism, a translation driving box and a translation working arm; the translation driving box is sequentially arranged on the base frame through a first swing mechanism and a lifting mechanism, the lifting mechanism is used for driving the translation driving box to lift relative to the base frame, and the first swing mechanism is used for driving the translation driving box to horizontally rotate relative to the base frame;

the horizontal translation working arm is arranged on the translation driving box, and the translation driving box is used for driving the translation working arm to move along the length direction of the translation driving box;

and the first slag fishing mechanism and the second slag fishing mechanism are respectively arranged at two ends of the translation working arm.

As a further improvement of the crucible furnace workstation: the first slag salvaging mechanism comprises a first driving box arranged at one end of the translation working arm and two groups of first slag rakes arranged at the bottom of the first driving box, and the two groups of first slag rakes synchronously rotate relatively under the action of the first driving box.

As a further improvement of the crucible furnace workstation: the second slag dragging mechanism comprises a second driving box directly installed at the other end of the translation working arm or indirectly installed at the other end of the translation working arm through a joint operating arm, and further comprises two groups of second slag rakes installed at the bottom of the second driving box, and the two groups of second slag rakes synchronously and relatively rotate under the action of the second driving box.

As a further improvement of the crucible furnace workstation: the joint operating arm at least comprises two rotating joints so as to realize the lifting and angle adjustment of the second driving box relative to the translation working arm.

As a further improvement of the crucible furnace workstation: the base frame is positioned on the front side of the middle point between the two crucible furnaces on the furnace platform.

As a further improvement of the crucible furnace workstation: the base frame is embedded into the furnace platform or is fixedly arranged in front of the furnace platform.

As a further improvement of the crucible furnace workstation: the furnace comprises a furnace platform, and is characterized by further comprising a mechanical arm arranged on the front side of the furnace platform, wherein the mechanical arm is arranged on the ground through a second swing mechanism, and a cleaning mechanism is arranged at the tail end of the mechanical arm and used for cleaning operation in front of the furnace and a furnace pit.

As a further improvement of the crucible furnace workstation: the first slag dragging mechanism can also carry out charging operation on the crucible furnace, and the second slag dragging mechanism can also carry out charging operation on the metal ladle.

Compared with the prior art, the invention has the following beneficial effects: (1) the two slag dragging mechanisms have respective division of labor and are arranged on the base frame in a rotatable mode, so that the space of a furnace platform is further saved on the basis of realizing mechanical and automatic operation, and the layout of equipment is optimized; (2) the two slag salvaging mechanisms are arranged at two ends of the translation working arm, so that synchronous rotation and translation of the length of the balance are realized, firstly, the structures of rotation driving and translation driving are simplified, the size of equipment is reduced, a larger operation space is reserved, and the balance effect of mutual balance weight is realized; (3) the position of the base frame is flexible, and the base frame can be embedded into the furnace platform and can also be independent of the outer side of the furnace platform; (4) the second slag dragging mechanism can be provided with a joint operating arm to realize lifting and angle adjustment and adapt to metal ladles with different heights and sizes; (5) the first slag dragging mechanism and the second slag dragging mechanism can also realize the functions of feeding, temperature measurement, sampling and the like, and can be quickly adjusted to at least three working positions of auxiliary melting in the furnace, feeding of molten metal discharged from the front of the furnace, temperature measurement monitoring, slag skimming and the like by virtue of the lifting mechanism, the first rotating mechanism and the translation mechanism, so that different functions are realized; (6) the mechanical arm in front of the furnace can be used for grabbing in front of the furnace and cleaning the front area of the furnace and a front furnace pit.

Drawings

FIG. 1 is a schematic structural diagram of a workstation according to a first embodiment;

FIG. 2 is a schematic view of the second slag removing mechanism operating on the ladle in the first embodiment;

FIG. 3 is a top view of a stand-by state of a workstation according to a first embodiment;

FIG. 4 is a top view of the working station in a slag-off state of the crucible furnace in the first embodiment;

FIG. 5 is a top view of the first embodiment of the present invention with the work station in a ladle slag condition;

FIG. 6 is a top view of a workstation in a crucible furnace charging state according to the first embodiment;

FIG. 7 is a top view of the base frame and the hearth portion according to the second embodiment;

FIG. 8 is a schematic view showing the operation of the second slag removing mechanism for the ladle in the third embodiment;

FIG. 9 is a diagram illustrating a fourth embodiment.

Detailed Description

The technical scheme of the invention is explained in detail in the following with the accompanying drawings:

the invention discloses a crucible furnace workstation which is arranged at a furnace platform for placing a crucible furnace.

In particular, the workstation comprises an upright base frame which is fixedly arranged relative to the furnace platform. Be equipped with on the bed frame and drag for sediment mechanism and second and drag for sediment mechanism for the bed frame horizontal rotation, first sediment mechanism of dragging for is used for dragging for the sediment to the crucible furnace, presss from both sides and gets the operation such as sample, reinforced, the second drags for sediment mechanism and is used for dragging for the sediment, presss from both sides to get the sample, reinforced operation such as to the metal package.

The two groups of rotatable slag dragging mechanisms are simultaneously arranged on the base frame, so that the space of a furnace platform can be saved, and the layout of equipment is optimized.

Example one

As shown in fig. 3 to 6, in the present embodiment, the base frame 1 is embedded in the hearth 8 and is located on the front side of the hearth 8 at a midpoint between the two crucible furnaces 9.

As shown in fig. 1, a lifting mechanism 2, a first rotation mechanism 3, a translation driving box 5 and a translation working arm 6 are mounted on the base frame 1. The translation driving box 5 is installed on the base frame 1 sequentially through the first swing mechanism 3 and the lifting mechanism 2.

The lifting mechanism 2 comprises a hydraulic cylinder for driving the translational drive housing 5 to lift relative to the base frame 1.

The first rotating mechanism 3 may adopt a gear-gear ring structure or a worm and gear structure, and is configured to drive the translational driving box 5 to horizontally rotate relative to the base frame 1.

A motor is installed in the box body of the translation driving box 5, the motor drives a driving roller on the box body to rotate, and a driven roller is further arranged on the box body. The driving roll and the driven roll are in contact with the horizontal translation working arm 6, the driving roll drives the translation working arm 6 to move along the length direction of the driving roll through friction force, and the driven roll plays a role in auxiliary supporting. A rack and pinion arrangement may also be used to move the working arm 6: the motor shaft is provided with a gear which is meshed with a rack arranged on the translational working arm 6, and when the gear rotates, the translational working arm 6 moves horizontally.

As shown in fig. 1 and 2, the first slag salvaging mechanism 4 and the second slag salvaging mechanism 7 are respectively arranged at two ends of the translation working arm 6.

Specifically, the first slag dragging mechanism 4 comprises a first driving box 4-1 arranged at one end of a translation working arm 6 and two groups of first slag rakes 4-2 arranged at the bottom of the first driving box 4-1, and the two groups of first slag rakes 4-2 synchronously and relatively rotate under the action of the first driving box 4-1.

The second slag salvaging mechanism 7 comprises a second driving box 7-2 directly installed at the other end of the translation working arm 6 and two groups of second slag rakes 7-3 installed at the bottom of the second driving box 7-2, and the two groups of second slag rakes 7-3 synchronously and relatively rotate under the action of the second driving box 7-2.

The driving box and the slag rake of each slag dragging mechanism are all the prior art, and refer to the scheme disclosed in the Chinese patent of invention with application number 201710717846.0, namely the rotary slag removing device, and the Chinese patent of invention with application number N201210233487.9, namely the rotary slag dragging machine.

As shown in fig. 3, the translation work arm 6 is in a forward and backward direction in the standby state of the workstation.

Referring to fig. 4, when the work station is in a slag-off state of the crucible furnace 9, the translation driving box 5 moves the translation work arm 6 to move towards one side of the first slag-off mechanism 4, so as to provide enough length for the first slag-off mechanism 4. The first slag salvaging mechanism 4 completes slag salvaging work in the crucible furnace 9 by unfolding and folding the first slag rake 4-2 and matching with the lifting of the lifting mechanism 2, the movement of the translation work arm 6 and the rotation of the first rotary mechanism 3. The fished slag can be placed in a front furnace pit at the front side of the furnace platform 8.

Referring to fig. 2 and 5, when the work station is in the slag removing state of the metal ladle 10, the translation driving box 5 moves the translation work arm 6 to move towards one side of the second slag removing mechanism 7, so that enough length is provided for the second slag removing mechanism 7. The second slag salvaging mechanism 7 completes slag salvaging work in the metal ladle 10 by unfolding and folding the second slag rake 7-3 and matching with the lifting of the lifting mechanism 2, the movement of the translation working arm 6 and the rotation of the first rotating mechanism 3. The fished slag can also be placed in a front furnace pit at the front side of the furnace platform 8.

Referring to fig. 6, when the workstation is in a charging state of the crucible furnace 9, the first slag rake 4-2 clamps the material and moves to the position above the charging opening of the crucible furnace 9, and then the first slag rake 4-2 is loosened to realize charging.

Generally, the operation time of the crucible furnace 9 and the ladle 10 is staggered, so that the first slag fishing mechanism 4 and the second slag fishing mechanism 7 do not operate simultaneously. The invention just utilizes the time difference, and two groups of slag dragging mechanisms are arranged at two ends of the same translation working arm 6, thereby simplifying the structure, reducing the space occupation, reducing the cost and ensuring the realization of respective functions and larger operation range.

Example two

As shown in fig. 7, the present embodiment is different from the first embodiment in that the base frame 1 is fixedly provided in front of the furnace platform 8, and is suitable for a case where the condition for mounting the base frame 1 on the furnace platform 8 is not provided.

EXAMPLE III

Referring to fig. 8, in the present embodiment, the second slag removing mechanism 7 is indirectly mounted on the second driving box 7-2 at the other end of the translational working arm 6 through the joint operating arm 7-1. The joint operating arm 7-1 at least comprises two rotary joints to realize the lifting and angle adjustment of the second driving box 7-2 relative to the translation working arm 6, so as to be convenient for dealing with metal packages 10 with different heights and sizes.

Example four

As shown in fig. 9, this embodiment is a further improvement based on embodiments one to 3.

The workstation further comprises a mechanical arm 12 arranged on the front side of the furnace platform 8, the mechanical arm 12 is arranged on the ground through a second swing mechanism 11, and a cleaning mechanism is arranged at the tail end of the mechanical arm 12.

The mechanical arm 12 may be in the form of an excavator work arm.

The cleaning mechanism can refer to the scheme adopted by the Chinese patent 'ladle opening cleaning device' with the application number of 202110886069.9, and the cleaning mechanism is mainly used for cleaning and shoveling and digging the slag collection and adhering in the metal ladle 10 or the forehearth pit.

It should be noted that, if the base frame 1 is placed at the front side of the furnace platform 8, the second swing mechanism 11 may adopt a structure in which a pinion drives a bull gear, the bull gear (split type) is disposed around the base frame 1, and the bottom of the bull gear may be supported and lubricated by a hydrostatic bearing or other structural devices.

Claims

1. A crucible furnace workstation arranged at a furnace platform (8) for placing a crucible furnace (9), characterized in that: the workstation comprises a base frame (1), wherein the base frame (1) is fixedly arranged relative to a furnace platform (8);

the slag extractor is characterized in that a first slag fishing mechanism (4) and a second slag fishing mechanism (7) which can horizontally rotate relative to the base frame (1) are arranged on the base frame (1), the first slag fishing mechanism (4) is used for operating the crucible furnace (9), and the second slag fishing mechanism (7) is used for operating the metal ladle (10).

2. The crucible furnace workstation of claim 1, wherein: the base frame (1) is provided with a lifting mechanism (2), a first rotating mechanism (3), a translation driving box (5) and a translation working arm (6); the translation driving box (5) is sequentially arranged on the base frame (1) through a first rotating mechanism (3) and a lifting mechanism (2), the lifting mechanism (2) is used for driving the translation driving box (5) to lift relative to the base frame (1), and the first rotating mechanism (3) is used for driving the translation driving box (5) to horizontally rotate relative to the base frame (1);

the horizontal translation working arm (6) is mounted on the translation driving box (5), and the translation driving box (5) is used for driving the translation working arm (6) to move along the length direction of the translation driving box;

the first slag fishing mechanism (4) and the second slag fishing mechanism (7) are respectively arranged at two ends of the translation working arm (6).

3. The crucible furnace workstation of claim 2, wherein: the first slag dragging mechanism (4) comprises a first driving box (4-1) arranged at one end of a translation working arm (6) and two groups of first slag rakes (4-2) arranged at the bottom of the first driving box (4-1), and the two groups of first slag rakes (4-2) synchronously and relatively rotate under the action of the first driving box (4-1).

4. The crucible furnace workstation of claim 2, wherein: the second slag salvaging mechanism (7) comprises a second driving box (7-2) which is directly or indirectly arranged at the other end of the translation working arm (6) through a joint operating arm (7-1), and also comprises two groups of second slag rakes (7-3) which are arranged at the bottom of the second driving box (7-2), wherein the two groups of second slag rakes (7-3) synchronously and relatively rotate under the action of the second driving box (7-2).

5. The crucible furnace workstation of claim 3, wherein: the joint operating arm (7-1) at least comprises two rotary joints so as to realize the lifting and angle adjustment of the second driving box (7-2) relative to the translation working arm (6).

6. The crucible furnace workstation of claim 1, wherein: the base frame (1) is positioned on the front side of the middle point between the two crucible furnaces (9) on the furnace platform (8).

7. The crucible furnace workstation of claim 1, wherein: the base frame (1) is embedded into the furnace platform (8) or is fixedly arranged in front of the furnace platform (8).

8. The crucible furnace workstation of claim 1, wherein: the furnace is characterized by further comprising a mechanical arm (12) arranged on the front side of the furnace platform (8), wherein the mechanical arm (12) is installed on the ground through a second swing mechanism (11), and a cleaning mechanism is installed at the tail end of the mechanical arm (12) and used for cleaning operation in front of the furnace and a furnace pit.

9. The crucible furnace workstation as recited in any one of claims 1 to 8, wherein: the first slag fishing mechanism (4) can also perform charging operation on the crucible furnace (9), and the second slag fishing mechanism (7) can also perform charging operation on the metal ladle (10).