Smelting furnace structure for grabbing and feeding during steelmaking

Abstract

The invention belongs to the technical field of steelmaking smelting furnace structures, and relates to a steelmaking grabbing and feeding smelting furnace structure which comprises a fixing frame, supporting columns are arranged at the four corners of the bottom of the fixing frame, a bottom frame is arranged at the bottoms of the supporting columns, a bottom plate is arranged in the bottom frame, supporting columns are arranged on the bottom plate, and a smelting furnace is arranged at the tops of the supporting columns. Supporting stand columns are arranged on the two sides of the smelting furnace, sliding bottom plates are arranged at the bottoms of the supporting stand columns, guide rail sliding grooves are formed in the bottoms of the sliding bottom plates, rotating columns are arranged at the tops of the supporting stand columns, and movable joints are arranged at the tops of the rotating columns. By integrating the eddy current induction heating system and the grabbing mechanism, automatic cooperative control over material conveying and smelting operation in the steel-making process is achieved, multi-dimensional movement along the guide rail can be achieved, and accurate positioning of the grabbing arm within the 270-degree working radius is achieved in cooperation with a rotary column-movable joint-cross arm composite transmission system.

Description

Technical Field

[0001] The invention belongs to the technical field of steel-making furnace structures, and in particular relates to a steel-making furnace structure for grabbing and loading materials. Background Art

[0002] The steelmaking industry is an important part of the modern manufacturing industry, and one of the core equipment is the melting furnace. The melting furnace is used to heat metal materials to a molten state for subsequent casting, forging or forming. With the development of industrial automation and intelligence, traditional melting furnaces have gradually exposed their shortcomings in efficiency, energy consumption and ease of operation. Especially in the process of loading and grabbing molten metal, manual operation is not only inefficient, but also poses safety hazards.

[0003] The existing smelting furnace structure usually includes a furnace body, a heating device and a feeding device. The furnace body is mostly made of refractory materials, and the heating device is realized by resistance heating, gas heating or induction heating (such as eddy current coil). However, the prior art has the following problems: the feeding process of traditional smelting furnaces mostly relies on manual or simple mechanical devices, which is difficult to realize automated operation. The existing feeding equipment cannot accurately control the gripping and is difficult to adapt to metal materials of different shapes and weights. Especially in high temperature environments, manual operation has great risks. In addition, the smelting furnace operates for a long time in a high temperature environment, which is prone to equipment failure due to material aging or unreasonable structural design, affecting production efficiency.

[0004] Based on the above background, the present invention proposes a steelmaking grabbing and feeding melting furnace structure, aiming to solve the problems of low feeding efficiency, insufficient grabbing accuracy and poor equipment stability in the prior art. Summary of the invention

[0005] The purpose of the present invention is to provide a steelmaking grabbing and loading furnace structure, which solves the problems in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is that the present invention provides a furnace structure for steelmaking grabbing and loading, including a fixed frame, pillars are arranged at the four corners of the bottom of the fixed frame, a bottom frame is arranged at the bottom of the pillars, a bottom plate is arranged inside the bottom frame, a supporting column is arranged on the bottom plate, a smelting furnace is arranged on the top of the supporting column, the smelting furnace is surrounded by an eddy current coil, supporting columns are arranged on both sides of the smelting furnace, a sliding bottom plate is arranged at the bottom of the supporting column, a guide rail groove is arranged at the bottom of the sliding bottom plate, a swivel column is arranged on the top of the supporting column, a movable joint is arranged on the top of the swivel column, a cross arm is arranged on one side of the movable joint, a cylinder is arranged at the bottom of the cross arm to connect the swivel column, a connecting joint is arranged at the front end of the cross arm, a grabbing arm is arranged on the connecting joint, and a grabber assembly is arranged at the end of the grabbing arm.

[0007] Specifically, a furnace cover is arranged on the top of the smelting furnace, a handle is arranged on the top of the furnace cover, and one side of the furnace cover is connected to the smelting furnace through a connecting seat.

[0008] Specifically, the eddy current coil is made of copper alloy material, the outside of the eddy current coil is wrapped with a high temperature resistant insulation layer, and the eddy current coil is powered by an external power supply.

[0009] Specifically, the grabbing arm and the grabbing hand assembly are made of high-strength alloy steel material, the surface of the grabbing hand assembly is coated with a wear-resistant silicone coating, and a pressure sensor is arranged inside the grabbing hand assembly.

[0010] Specifically, a lubrication device is provided between the sliding bottom plate and the guide rail slot.

[0011] Specifically, the cylinder is driven by a hydraulic system, which includes a hydraulic pump, a control valve and a hydraulic cylinder.

[0012] Specifically, the fixed frame and the pillars are welded with high-strength steel, the surfaces of the fixed frame and the pillars are treated with rust prevention, and a shock-absorbing pad is arranged between the bottom frame and the ground.

[0013] Specifically, a discharge port is provided at the bottom of the smelting furnace, and the opening and closing of the discharge port is controlled by an electric valve.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are:

[0015] The present invention realizes the automated coordinated control of material transportation and smelting operations during the steelmaking process by integrating the eddy current induction heating system and the grabbing mechanism. It can move in multiple dimensions along the guide rail and cooperate with the composite transmission system of the rotary column-active joint-cross arm to achieve precise positioning within a 270° working radius of the grabbing arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a structural diagram of a steel-making grabbing and loading furnace structure according to one embodiment;

[0018] In the above figure, 1. fixed frame, 2. pillar, 3. bottom frame, 4. bottom plate, 5. supporting column, 6. smelting furnace, 7. furnace cover, 8. handle, 9. connecting seat, 10. eddy current coil, 11. supporting column, 12. sliding bottom plate, 13. guide rail slide, 14. rotating column, 15. movable joint, 16. cross arm, 17. cylinder, 18. connecting joint, 19. grabbing arm, 20. grabber assembly. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] Embodiment 1, as Figure 1 As shown, a steelmaking grabbing and loading furnace structure includes a fixed frame 1, which is the fixed support part of the entire furnace structure, ensuring the stability and rigidity of the overall structure, having excellent compression and deformation resistance, and being able to adapt to high temperature and heavy load conditions. The fixed frame 1 is provided with pillars 2 at the four corners of the bottom, which play the role of supporting and transmitting the load, ensuring the stability of the furnace structure in the vertical direction, and is integrated with the fixed frame 1 to extend the service life of the equipment.

[0022] A bottom frame 3 is provided at the bottom of the pillar 2. The bottom frame 3 is located below the pillar 2 and is used to disperse the overall weight. A bottom plate 4 is provided inside the bottom frame 3. The bottom plate 4 is used for support and plays a role of bearing weight and fixing. A support column 5 is provided on the bottom plate 4. A smelting furnace 6 is provided on the top of the support column 5. The smelting furnace 6 is a core component and is used to accommodate and heat the metal material to make it reach a molten state. The support column 5 directly supports the smelting furnace 6 to ensure the stability of the smelting furnace 6 during the heating and smelting process. It is easy to install and can effectively disperse the weight of the smelting furnace 6 and reduce the local pressure on the bottom plate 4. The fixed frame 1 plays a role in supporting and fixing the smelting furnace 6.

[0023] The smelting furnace 6 is surrounded by an eddy current coil 10, which is arranged around the smelting furnace 6. The metal material is heated by a high-frequency electromagnetic field to achieve efficient smelting. Support columns 11 are arranged on both sides of the smelting furnace 6. A sliding bottom plate 12 is arranged at the bottom of the support column 11. A guide rail groove 13 is arranged at the bottom of the sliding bottom plate 12. The guide rail groove 13 is used to guide the movement of the sliding bottom plate 12 to ensure the precise positioning of the grabbing mechanism in the horizontal direction. It is made of high-strength material with good wear resistance and can operate stably for a long time. The sliding bottom plate 12 is located at the bottom of the support column 11 and realizes horizontal movement through the guide rail groove 13. A swivel column 14 is arranged on the top of the support column 11. The swivel column 14 is located on the top of the support column 11 and is used to realize rotational movement and expand the grabbing range. It has a compact structure and flexible rotation. It can achieve a working radius of 270° and adapt to various working conditions.

[0024] The support column 11 is located on both sides of the smelting furnace 6, providing load bearing and support, capable of withstanding dynamic loads, and ensuring the accuracy of the grabbing action. A movable joint 15 is provided on the top of the rotating column 14, a cross arm 16 is provided on one side of the movable joint 15, and a cylinder 17 is provided at the bottom of the cross arm 16 to connect the rotating column 14. The cylinder 17 is driven by a hydraulic system to control the lifting and lowering of the cross arm 16 and the extension and retraction of the grabbing arm 19. The hydraulic drive has strong power and high control accuracy, and can achieve precise control of the grabbing action. The movable joint 15 connects the rotating column 14 and the cross arm 16. The cross arm 16 is made of high-strength alloy steel material, with a light structure and high strength, which can ensure the stability of the grabbing action. The movable joint 15 is used to realize multi-angle adjustment of the cross arm 16 to improve the flexibility of grabbing. The movable joint 15 adopts high-precision bearings, which are flexible in rotation and can withstand large dynamic loads.

[0025] A connecting joint 18 is provided at the front end of the cross arm 16, and the connecting joint 18 is located at the front end of the cross arm 16 and is used to connect a grabbing arm 19 to realize the angle adjustment movement of the grabbing arm 19. The grabbing arm 19 is flexible in rotation and can adapt to the grabbing of steelmaking raw materials of different shapes and weights. The grabbing arm 19 is provided on the connecting joint 18. The grabbing arm 19 is Z-shaped and extends forward to facilitate the grabbing of the steelmaking raw materials. A gripping assembly 20 is provided at the end of the grabbing arm 19. The gripping assembly 20 is located at the end of the grabbing arm 19 and is used to directly contact and grab the steelmaking raw materials. The grabbing is stable and not easy to fall off.

[0026] The following is a detailed description of the design of the above key components:

[0027] A furnace cover 7 is provided on the top of the smelting furnace 6, and a handle 8 is provided on the top of the furnace cover 7. One side of the furnace cover 7 is connected to the smelting furnace 6 through a connecting seat 9. The furnace cover 7 is made of high-temperature resistant stainless steel material, and is filled with heat-insulating materials to reduce heat loss. The handle 8 adopts a non-slip design for easy opening and closing. One side of the furnace cover 7 is connected to the smelting furnace 6 through a hinged connecting seat 9, and the connecting seat 9 is made of high-temperature resistant alloy material to ensure that the furnace cover 7 does not deform in a high-temperature environment for a long time.

[0028] The eddy current coil 10 is made of copper alloy material to improve conductivity and heating efficiency. The outside of the eddy current coil 10 is wrapped with a high-temperature resistant insulation layer. The insulation layer uses a ceramic fiber composite material that can withstand high temperatures and prevent current leakage. The eddy current coil 10 is powered by an external power supply, and the power supply system is equipped with a high-frequency inverter to achieve stable high-frequency electromagnetic field output.

[0029] The grab arm 19 and the gripper assembly 20 are made of high-strength alloy steel, with a hollow structure inside to reduce weight while ensuring sufficient strength and rigidity. The surface of the gripper assembly 20 is coated with a wear-resistant silicone coating with a thickness of 2-3 mm, which can provide good gripping force and anti-slip performance. A pressure sensor is provided inside the gripper assembly 20, which is connected to the control system through a signal line to monitor the gripping force in real time and feedback data.

[0030] A lubrication device is provided between the sliding base plate 12 and the guide rail chute 13. The lubrication device includes an automatic oiler and an oil storage tank. The high-temperature lubricant is injected at a fixed time or a fixed amount to ensure that the friction coefficient between the sliding base plate 12 and the guide rail chute 13 is kept at a low level. The sliding base plate 12 is made of high-strength cast iron material, and a groove matching the guide rail chute 13 is machined at the bottom to ensure smooth sliding. The guide rail chute 13 is made of wear-resistant alloy steel material, and the surface is hardened to improve wear resistance.

[0031] The cylinder 17 is driven by a hydraulic system, which includes a hydraulic pump, a control valve and a hydraulic cylinder. The hydraulic pump adopts a variable pump design and can adjust the output flow according to the load demand. The control valve adopts an electromagnetic proportional valve, and the control system realizes the precise adjustment of the extension speed and strength of the cylinder 17. The cylinder body of the cylinder 17 is made of high-strength alloy steel, and the internal piston rod surface is chrome-plated to improve wear resistance.

[0032] The fixed frame 1 and the pillar 2 are welded with high-strength steel, and the welding parts are subjected to ultrasonic flaw detection to ensure the welding quality. The surfaces of the fixed frame 1 and the pillar 2 are treated with rust prevention, and the surfaces of the fixed frame 1 and the pillar 2 are coated with rust prevention coatings with a coating thickness of 50-100 microns, which can effectively resist environmental corrosion. A shock-absorbing pad is arranged between the bottom frame 3 and the ground. The shock-absorbing pad is made of rubber material with a thickness of 10-15 mm, which can effectively absorb the vibration during the operation of the equipment.

[0033] The bottom of the smelting furnace 6 is provided with a discharge port, which is opened and closed by an electric valve. The discharge port is located at the center of the bottom of the smelting furnace 6 and is made of high-temperature resistant ceramic material. The interior is lined with refractory bricks to improve the high-temperature resistance. The discharge port is opened and closed by an electric valve, which is driven by a high-temperature resistant motor. The motor is connected to the control system to achieve automatic control. A guide groove is provided below the discharge port, which is inclined to facilitate the smooth discharge of molten metal materials.

[0034] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art. It will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A steelmaking grabbing and loading furnace structure, characterized in that: It includes a fixed frame, wherein pillars are provided at the four corners of the bottom of the fixed frame, a bottom frame is provided at the bottom of the pillars, a bottom plate is provided inside the bottom frame, a supporting column is provided on the bottom plate, a smelting furnace is provided on the top of the supporting column, an eddy current coil is surrounded by the smelting furnace, supporting columns are provided on both sides of the smelting furnace, a sliding bottom plate is provided at the bottom of the supporting columns, a guide rail groove is provided at the bottom of the sliding bottom plate, a swivel column is provided on the top of the supporting columns, a movable joint is provided on the top of the swivel column, a cross arm is provided on one side of the movable joint, a cylinder connecting the swivel column is provided at the bottom of the cross arm, a connecting joint is provided at the front end of the cross arm, a grabbing arm is provided on the connecting joint, and a grabber assembly is provided at the end of the grabbing arm.

2. A steelmaking grabbing and loading furnace structure according to claim 1, characterized in that: A furnace cover is arranged on the top of the smelting furnace, a handle is arranged on the top of the furnace cover, and one side of the furnace cover is connected to the smelting furnace through a connecting seat.

3. The steelmaking grabbing and loading furnace structure according to claim 1 is characterized in that: The eddy current coil is made of copper alloy material, the outside of the eddy current coil is wrapped with a high temperature resistant insulation layer, and the eddy current coil is powered by an external power supply.

4. The steelmaking grabbing and loading furnace structure according to claim 1 is characterized in that: The grabbing arm and the grabbing hand assembly are made of high-strength alloy steel material, the surface of the grabbing hand assembly is coated with a wear-resistant silicone coating, and a pressure sensor is arranged inside the grabbing hand assembly.

5. The steelmaking grabbing and loading furnace structure according to claim 1 is characterized in that: A lubrication device is arranged between the sliding bottom plate and the guide rail sliding groove.

6. A steelmaking grabbing and loading furnace structure according to claim 1, characterized in that: The cylinder is driven by a hydraulic system, which includes a hydraulic pump, a control valve and a hydraulic cylinder.

7. A steelmaking grabbing and loading furnace structure according to claim 1, characterized in that: The fixed frame and the pillars are welded with high-strength steel, the surfaces of the fixed frame and the pillars are treated with rust prevention, and a shock-absorbing pad is arranged between the bottom frame and the ground.

8. The steelmaking grabbing and loading furnace structure according to claim 1 is characterized in that: A discharge port is arranged at the bottom of the smelting furnace, and the opening and closing of the discharge port is controlled by an electric valve.

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