Feeding device of medium-frequency electric furnace

Abstract

The utility model relates to the technical field of heat treatment, and discloses a medium-frequency electric furnace feeding device which comprises a stock bin, a positioning block is fixedly connected to the top end of the stock bin, a movable plate is slidably connected to the outer wall of the stock bin, a rotating plate is rotatably connected to the bottom end of the positioning block, a connecting column is fixedly connected to the center of the rotating plate, and a limiting assembly is arranged on the outer wall of the movable plate. A connecting plate is fixedly connected to the bottom end of the stock bin, a fixing plate is fixedly connected to the top end of the connecting plate, a limiting block and a connecting block are fixedly connected to the outer wall of the fixing plate, a clamping assembly is arranged on the inner wall of the connecting block and comprises a clamping plate, and the bottom end of the clamping plate is rotationally connected to the inner wall of the connecting block; the inner wall of the clamping plate is elastically connected with a movable column through a supporting spring. According to the utility model, the outlet of the charging vehicle can be adjusted by related personnel to adapt to a smaller medium-frequency electric furnace, so that the situation that secondary cleaning is required by manual work due to the fact that raw materials are scattered on the ground is avoided, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment, in particular to a medium frequency electric furnace charging device. Background Art

[0002] The charging device of medium frequency electric furnace is a device used to add charge to medium frequency electric furnace. It is usually composed of silo, charging car, conveyor belt, etc. The silo is used to store charge, the charging car is used to take charge out of the silo and add it to the electric furnace, and the conveyor belt is used to transport charge from the silo to the charging car.

[0003] After searching, Chinese patent announcement number: CN217636834U discloses a continuous feeding device for a medium frequency induction furnace, including a hopper bracket and a stacking hopper arranged on the hopper bracket; the hopper bracket includes a rectangular mounting platform and support columns arranged at the four corners of the bottom of the mounting platform, and an upper and lower step ladder is provided between the two support columns on the same side; the stacking hopper is arranged on the mounting platform, and is arranged in a funnel shape, with an upper section being rectangular, a lower section being circular, and a middle section being a transition from a rectangle to a circle. The utility model can continue to stably replenish furnace charge during the production process to avoid the impact of the furnace charge on the furnace wall, and at the same time, the hot flue gas discharged inside and outside the furnace can be used to preheat the furnace charge, so as to reduce production costs and improve energy utilization.

[0004] Although the above technology achieves the purpose of reducing production costs, when the relevant electric furnace charging car transports some raw materials to the medium frequency electric furnace, due to the different sizes of the electric furnaces and the relevant discharge ports, when the size of the electric furnace is smaller than the size of the discharge port, part of the raw materials will be spilled on the ground when the charging car discharges the materials, and then the spilled raw materials need to be manually cleaned and put into the medium frequency electric furnace, which increases the workload of relevant personnel and is more troublesome to operate. Therefore, a medium frequency electric furnace charging device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a medium frequency electric furnace feeding device, which aims to improve the problem in the prior art that the size of the electric furnace is inconsistent with the size of the feeding port of the feeding vehicle, resulting in raw materials spilling on the ground and requiring relevant personnel to clean up, which is troublesome.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a medium frequency electric furnace feeding device, including a silo, a positioning block is fixedly connected to the top of the silo, a movable plate is slidably connected to the outer wall of the silo, the bottom end of the positioning block is rotatably connected to a rotating plate, a connecting column is fixedly connected at the center of the rotating plate, a limiting assembly is provided on the outer wall of the movable plate, the bottom end of the silo is fixedly connected to a connecting plate, and the top end of the connecting plate is fixedly connected to a fixed plate.

[0007] As a further description of the above technical solution:

[0008] The outer wall of the fixed plate is respectively fixedly connected to the limiting block and the connecting block, the inner wall of the connecting block is provided with a snap-in assembly, the snap-in assembly includes a snap-in plate, the bottom end of the snap-in plate is rotatably connected to the inner wall of the connecting block, the inner wall of the snap-in plate is elastically connected to a movable column through a supporting spring, the top of the movable column is fixedly connected to a plug-in plate, the outer wall of the snap-in plate contacts the snap-in column, and the outer wall of the snap-in column is fixedly connected to a filter.

[0009] As a further description of the above technical solution:

[0010] The limiting assembly comprises a fixed block, the outer wall of the fixed block is fixedly connected to the outer wall of the movable plate, and the inner wall of the fixed block is elastically connected to the plug-in column via a connecting spring.

[0011] As a further description of the above technical solution:

[0012] The inner wall of the movable plate is provided with an arc groove, and the top end of the connecting column is in contact with the arc groove.

[0013] As a further description of the above technical solution:

[0014] One end of the support spring is fixedly connected to the outer wall of the movable column, and the other end of the support spring is fixedly connected to the inner wall of the clamping plate. The outer wall of the plug-in plate and the movable column are both slidably connected to the inner wall of the clamping plate.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the plug-in board is plugged into the inner wall of the limiting block, and the outer wall of the clamping column is in contact with the outer wall of the fixing plate.

[0017] As a further description of the above technical solution:

[0018] One end of the connecting spring is fixedly connected to the outer wall of the plug-in column, the other end of the connecting spring is fixedly connected to the inner wall of the fixing block, and the outer wall of the plug-in column is slidably connected to the inner wall of the fixing block.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the silo is provided with a plurality of groups of plugging holes, and the outer wall of the plugging column is plugged with the inner wall of the plugging hole.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by cooperating with each other among the structures such as the silo, positioning block, movable plate, rotating plate, connecting column and its limit assembly, the relevant personnel can adjust the outlet of the charging cart to adapt to a smaller medium frequency electric furnace, so as to avoid the raw materials from spilling onto the ground and requiring manual secondary cleaning.

[0023] 2. In the utility model, by the mutual cooperation between the limit blocks, connecting blocks and their clamping components, when installing the filter, the relevant personnel only need to move the plug-in plate to contact the limit and then rotate the rotating plate, avoiding the installation and disassembly of bolts, thereby achieving the purpose of time-saving, labor-saving and fast installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an overall three-dimensional schematic diagram of a medium frequency electric furnace charging device proposed by the utility model;

[0025] Figure 2 This is an overall three-dimensional schematic diagram of a silo of a medium frequency electric furnace charging device proposed by the utility model;

[0026] Figure 3 This is an overall three-dimensional schematic diagram of a fixing block of a medium frequency electric furnace charging device proposed by the utility model;

[0027] Figure 4 This is an overall three-dimensional schematic diagram of a clamping column of a medium frequency electric furnace charging device proposed by the utility model;

[0028] Figure 5 This is an overall three-dimensional schematic diagram of a clamping plate of a medium frequency electric furnace charging device proposed by the utility model;

[0029] Figure 6 This is an enlarged schematic diagram of point A of a medium frequency electric furnace charging device proposed by the utility model.

[0030] Legend:

[0031] 1. Silo; 2. Positioning block; 3. Movable plate; 4. Fixed block; 5. Connecting plate; 6. Fixed plate; 7. Filter screen; 8. Rotating plate; 9. Connecting column; 10. Plug-in column; 11. Connecting spring; 12. Limiting block; 13. Snap-in column; 14. Connecting block; 15. Snap-in plate; 16. Movable column; 17. Support spring; 18. Plug-in plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1-Figure 3 The utility model provides a medium frequency electric furnace charging device, including a silo 1, a positioning block 2 is fixedly connected to the top of the silo 1, the positioning block 2 is set in an L shape and is provided with two groups, the outer wall of the silo 1 is slidably connected to a movable plate 3, and the purpose of adjusting the opening size is achieved by moving the movable plate 3, the bottom end of the positioning block 2 is rotatably connected to a rotating plate 8, and the opening size of the silo 1 can be adjusted by rotating the two groups of rotating plates 8, and the center of the rotating plate 8 is fixedly connected to a connecting column 9, and the connecting column 9 is provided with two groups, which serves to connect the left and right, and the outer wall of the movable plate 3 is provided with a limiting component, through the limiting component The movable plate 3 is limited by the parts, the bottom end of the silo 1 is fixedly connected with a connecting plate 5, and the top of the connecting plate 5 is fixedly connected with a fixed plate 6. The limiting assembly includes a fixed block 4, the outer wall of the fixed block 4 is fixedly connected to the outer wall of the movable plate 3, and the inner wall of the fixed block 4 is elastically connected with a plug-in column 10 through a connecting spring 11. The limit can be performed or released by moving the plug-in column 10. An arc groove is provided on the inner wall of the movable plate 3, and the top of the connecting column 9 contacts with the arc groove. Through the movement of the movable plate 3, the two groups of connecting columns 9 move on the inner wall of the arc groove, and at this time, the two groups of rotating plates 8 will rotate.

[0034] Reference Figure 4-Figure 6The outer wall of the fixed plate 6 is respectively fixedly connected to the limit block 12 and the connecting block 14. The inner wall of the connecting block 14 is provided with a clamping assembly, which includes a clamping plate 15. The outer wall of the clamping plate 15 is provided with a plurality of semi-arc grooves. The bottom end of the clamping plate 15 is rotatably connected to the inner wall of the connecting block 14. The inner wall of the clamping plate 15 is elastically connected to a movable column 16 through a supporting spring 17. The top of the movable column 16 is fixedly connected to a plug-in plate 18. The rotation of the clamping plate 15 can be limited by the movement of the plug-in plate 18. The outer wall of the clamping plate 15 contacts a clamping column 13. The clamping column 13 is adapted to the semi-arc groove. The clamping column 13 The outer wall of the filter 7 is fixedly connected to the filter screen 7, one end of the support spring 17 is fixedly connected to the outer wall of the movable column 16, and the other end of the support spring 17 is fixedly connected to the inner wall of the clamping plate 15. The outer walls of the plug-in plate 18 and the movable column 16 are slidably connected to the inner wall of the clamping plate 15. The elasticity of the support spring 17 makes the plug-in plate 18 have reset and limit functions. The outer wall of the plug-in plate 18 is plugged into the inner wall of the limit block 12. The plug-in connection between the two prevents the clamping plate 15 from rotating. The outer wall of the clamping column 13 contacts the outer wall of the fixed plate 6, and the clamping column 13 is clamped and fixed by the clamping plate 15 and the fixed plate 6. In addition, Figure 6 The limiting block 12 and the plug board 18 are in a disengaged state.

[0035] Reference Figure 2-Figure 3 One end of the connecting spring 11 is fixedly connected to the outer wall of the plug-in column 10, and the other end of the connecting spring 11 is fixedly connected to the inner wall of the fixed block 4. The outer wall of the plug-in column 10 is slidably connected to the inner wall of the fixed block 4. The elasticity of the connecting spring 11 enables the plug-in column 10 to have reset and limit functions. A plurality of groups of plug-in holes are provided on the outer wall of the silo 1, and the outer wall of the plug-in column 10 is plugged into the inner wall of the plug-in hole. The plurality of groups of plug-in holes make it possible to adjust the moving distance of the movable plate 3, thereby adjusting the opening size to adapt to medium-frequency electric furnaces of different sizes.

[0036] Working principle: When relevant personnel need to add raw materials into the medium frequency electric furnace, the existing technology can be used to tilt the silo 1. When the outlets of the medium frequency electric furnace and the silo 1 are different, the plug-in column 10 is moved outward to release the limit of the plug-in column 10 on the movable plate 3, and then the movable plate 3 is moved. At this time, the two groups of rotating plates 8 will rotate with the positioning block 2, and the connecting column 9 will slide along the inner wall of the movable plate 3, so that the angle between the two groups of rotating plates 8 becomes smaller, so as to adapt to the smaller size of the medium frequency electric furnace. The operation is simple and convenient, and it can avoid the raw materials from spilling on the ground when the feed port of the medium frequency electric furnace is very different from the discharge port of the charging car, which requires manual cleaning and increases and decreases the workload.

[0037] When the relevant personnel need to disassemble and replace the filter 7, they first move the plug-in plate 18 upward to drive the movable column 16 to move, so that the plug-in plate 18 is disengaged from the limit block 12 to release the limit of the plug-in plate 18 on the clamping plate 15, and then the clamping plate 15 can be rotated to remove the filter 7. The operation is simple and convenient, and the use of bolts for installation and disassembly is avoided to achieve the purpose of saving time and effort.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A medium frequency electric furnace charging device, comprising a silo (1), characterized in that: The top end of the silo (1) is fixedly connected to a positioning block (2), the outer wall of the silo (1) is slidably connected to a movable plate (3), the bottom end of the positioning block (2) is rotatably connected to a rotating plate (8), the center of the rotating plate (8) is fixedly connected to a connecting column (9), the outer wall of the movable plate (3) is provided with a limiting assembly, the bottom end of the silo (1) is fixedly connected to a connecting plate (5), and the top end of the connecting plate (5) is fixedly connected to a fixed plate (6).

2. A medium frequency electric furnace charging device according to claim 1, characterized in that: The outer wall of the fixed plate (6) is respectively fixedly connected to the limit block (12) and the connecting block (14); the inner wall of the connecting block (14) is provided with a snap-in assembly, the snap-in assembly comprising a snap-in plate (15); the bottom end of the snap-in plate (15) is rotatably connected to the inner wall of the connecting block (14); the inner wall of the snap-in plate (15) is elastically connected to a movable column (16) via a supporting spring (17); the top end of the movable column (16) is fixedly connected to a plug-in plate (18); the outer wall of the snap-in plate (15) contacts the snap-in column (13); the outer wall of the snap-in column (13) is fixedly connected to a filter screen (7).

3. A medium frequency electric furnace charging device according to claim 1, characterized in that: The limiting assembly comprises a fixed block (4), the outer wall of the fixed block (4) is fixedly connected to the outer wall of the movable plate (3), and the inner wall of the fixed block (4) is elastically connected to the plug-in column (10) via a connecting spring (11).

4. A medium frequency electric furnace charging device according to claim 1, characterized in that: An arc-shaped groove is provided on the inner wall of the movable plate (3), and the top end of the connecting column (9) is in contact with the arc-shaped groove.

5. A medium frequency electric furnace charging device according to claim 2, characterized in that: One end of the support spring (17) is fixedly connected to the outer wall of the movable column (16), and the other end of the support spring (17) is fixedly connected to the inner wall of the clamping plate (15). The plug-in plate (18) and the outer wall of the movable column (16) are both slidably connected to the inner wall of the clamping plate (15).

6. A medium frequency electric furnace charging device according to claim 2, characterized in that: The outer wall of the plug-in board (18) is plugged into the inner wall of the limit block (12), and the outer wall of the clamping column (13) is in contact with the outer wall of the fixing plate (6).

7. A medium frequency electric furnace charging device according to claim 3, characterized in that: One end of the connecting spring (11) is fixedly connected to the outer wall of the plug-in column (10), and the other end of the connecting spring (11) is fixedly connected to the inner wall of the fixing block (4). The outer wall of the plug-in column (10) is slidably connected to the inner wall of the fixing block (4).

8. A medium frequency electric furnace charging device according to claim 3, characterized in that: The outer wall of the silo (1) is provided with a plurality of groups of plugging holes, and the outer wall of the plugging column (10) is plugged into the inner wall of the plugging holes.

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