Electric arc furnace feeding device

Abstract

The utility model relates to the technical field of electric arc furnace feeding devices and discloses an electric arc furnace feeding device which comprises a bottom plate, a handle is arranged on the left side of the bottom plate to facilitate movement, a spiral feeder is carried on the top of the bottom plate, the feeding end of the spiral feeder is hinged to the bottom plate, the discharging end of the spiral feeder is supported by an electric push rod, and the elevation angle can be flexibly adjusted to meet different feeding requirements. The push plate is hinged to the side wall of the hopper, smooth falling of materials is effectively promoted through shaking of the push rod, and blocking is avoided. Symmetrical threaded lead screws are arranged in a bottom supporting box body and driven by a motor to rotate, rod sleeves at the two ends are driven to move in the opposite direction or the reverse direction, a lifting plate is controlled through supporting rods, and switching of wheels and supporting legs is achieved, the initial supporting legs make contact with the ground to ensure stable feeding, and the wheels fall to the ground and the supporting legs are suspended in the moving process; after in place, the motor rotates reversely and then resets. The whole device integrates moving, fixing and feeding adjusting functions through simple electric control, the operation process is simplified, the labor intensity is reduced, and practicability and convenience are achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of electric arc furnace feeding devices, and in particular to an electric arc furnace feeding device. Background Technology

[0002] In modern steelmaking, electric arc furnaces have become one of the mainstream steelmaking equipment due to their high efficiency and flexibility. Electric arc furnaces require a feeding device for operation.

[0003] The existing application publication number CN216004139U discloses an automatic feeding device for zinc smelting electric furnace processing, including a base, a tube body rotatably connected to the top of the base, a rotatable auger installed inside the tube body, a feed pipe installed at the feed end of the tube body, and a discharge pipe installed at the discharge end of the tube body. Two connecting grooves are opened on both sides of the base, and connecting plates are engaged inside the connecting grooves. This utility model connects the connecting plates to the connecting grooves on the base, thereby fixing the support rod. The device can be moved by moving wheels. After moving to the point of use, pulling the connecting plates separates them from the base, allowing the base itself to provide support, making the device easy to move without requiring manual lifting by the user. This greatly reduces the difficulty of moving the device, improves the moving efficiency, and ensures the device is stably placed after being moved to the point of use.

[0004] However, in this scheme, when the screw feeder tilts, the hopper connected above also tilts. The tilting causes the slope of the inner wall of the hopper to become gentler, which is not conducive to the material falling down and thus affects the feeding of the electric arc furnace. In addition, the manual unloading of the moving wheels is prone to tipping over, which in turn affects the safety of personnel.

[0005] Therefore, those skilled in the art urgently need to develop a feeding device for electric arc furnaces. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by proposing a charging device for electric arc furnaces.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: an electric arc furnace feeding device, comprising a base plate, a handle on the left side of the base plate, a screw feeder on the top of the base plate, the feeding end of the screw feeder being connected to a hopper, the lower part of the feeding end of the screw feeder being hinged to the base plate, an electric push rod being provided between the lower part of the discharge end of the screw feeder and the base plate, a support box being provided below the base plate, a horizontally placed lead screw being rotatably provided inside the support box, the threads of the lead screw being symmetrically arranged on both sides, rod sleeves being symmetrically provided at both ends of the lead screw, the rod sleeves at both ends being threadedly connected to the lead screw, a support rod being hinged to the bottom of each rod sleeve, a lifting plate being hinged to the support rod below the support rod, a wheel being connected to the bottom of the lifting plate, and a motor for driving the lead screw to rotate being provided on the base plate; a push plate being hinged to the inner wall of the hopper, a push rod being connected through the side of the hopper near the push plate, and the push rod and the push plate being in sliding contact.

[0008] Preferably, the two support rods are placed symmetrically on the left and right, and the sleeves at both ends are located on the left and right sides of the two support rods.

[0009] Preferably, the lifting plate has vertically placed support legs extending through both ends, the support legs at both ends are fixedly connected to the inner wall of the support box, and the support legs at both ends are slidably connected to the lifting plate.

[0010] Preferably, the push plate has a slide rail on the side near the push rod, and the push rod is slidably connected to the slide rail.

[0011] Preferably, the bottom of the pusher plate extends to the connection between the hopper and the feed end of the screw feeder.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model combines handling flexibility with feeding stability, integrating handling and feeding functions into one unit. It simplifies the operation process, effectively promotes the smooth falling of materials in the hopper, avoids blockage, improves feeding efficiency, reduces manual operation intensity, and significantly enhances the convenience and practicality of the equipment. Attached Figure Description

[0014] Figure 1 This is a front view structural diagram of the present utility model;

[0015] Figure 2 This is a front structural sectional view of the present invention;

[0016] Figure 3 for Figure 2 Enlarged view of the structure at point A in the middle.

[0017] In the diagram: 1-base plate; 11-handle; 2-support box; 21-screw; 22-rod sleeve; 23-support rod; 24-lifting plate; 25-outrigger; 26-wheel; 27-motor; 3-screw feeder; 4-hopper; 41-push plate; 42-slide rail; 43-push rod; 5-electric push rod. Detailed Implementation

[0018] The present invention will now be clearly described with reference to the accompanying drawings and specific embodiments. This description is merely for explaining the present invention and is not intended to limit it. Any modifications, equivalent substitutions, improvements, etc., made by those skilled in the art based on the embodiments of the present invention without inventive effort to obtain all other embodiments should be included within the protection scope of the present invention.

[0019] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] Please see Figures 1-3This utility model provides an embodiment: an electric arc furnace feeding device, including a base plate 1, a handle 11 on the left side of the base plate 1, a screw feeder 3 on the top of the base plate 1, the feeding end of the screw feeder 3 being connected to a hopper 4, the lower part of the feeding end of the screw feeder 3 being hinged to the base plate 1, the lower part of the discharge end of the screw feeder 3 being provided between the screw feeder 3 and the base plate 1, the electric push rod 5 being fixedly connected to the base plate 1, and the electric push rod 5 being hinged to the screw feeder 3, a support box 2 being provided below the base plate 1, and a horizontally placed lead screw 2 being rotatably provided inside the support box 2. 1. The threads of the lead screw 21 are symmetrically arranged on the left and right sides. The two ends of the lead screw 21 are symmetrically provided with rod sleeves 22. The rod sleeves 22 at both ends are threadedly connected to the lead screw 21. The bottom of the rod sleeves 22 at both ends is hinged with a support rod 23. The lower part of the support rod 23 is provided with a lifting plate 24 that is hinged to the support rod 23. The bottom of the lifting plate 24 is connected with a wheel 26. The base plate 1 is provided with a motor 27 for driving the lead screw 21 to rotate. The inner side wall of the hopper 4 is hinged with a push plate 41. The side of the hopper 4 near the push plate 41 is connected with a push rod 43. The push rod 43 and the push plate 41 are in sliding contact.

[0022] The motor 27 rotates to control the lead screw 21 to rotate together, which in turn drives the sleeves 22 at both ends to move towards the middle position. When the sleeves 22 move, the support rod 23 pushes the lifting plate 24 downward, so that the wheel 26 contacts the ground, thus realizing the movement of the device.

[0023] Furthermore, the two support rods 23 are placed symmetrically on the left and right, and the rod sleeves 22 at both ends are located on the left and right sides of the two support rods 23. The lifting plate 24 is provided with vertically placed support legs 25 through both ends. The support legs 25 at both ends are fixedly connected to the inner wall of the support box 2, and the support legs 25 at both ends are slidably connected to the lifting plate 24.

[0024] In the initial state, the outriggers 25 at both ends are in contact with the ground, and the wheels 26 are in the air, which improves the stability of the subsequent loading process. When it needs to be moved, simply control the lifting plate 24 to move down, the wheels 26 will contact the ground, and the outriggers 25 will be in the air, thereby moving the device. It can perform both handling and loading functions, making the operation more convenient.

[0025] Furthermore, a slide rail 42 is provided on the side of the push plate 41 near the push rod 43, and the push rod 43 is slidably connected to the slide rail 42. The bottom of the push plate 41 extends to the connection between the hopper 4 and the feed end of the screw feeder 3. By shaking the push rod 43 left and right, the push rod 43 drives the push plate 41 to shake, which facilitates the falling of materials inside the hopper 4.

[0026] The working principle of this utility model is as follows: When in use, the motor 27 rotates to control the lead screw 21 to rotate together, which in turn drives the sleeves 22 at both ends to move towards the middle position. When the sleeves 22 move, the support rod 23 pushes the lifting plate 24 downward, so that the wheel 26 contacts the ground, realizing the movement of the device. Then, the motor 27 is controlled to reverse, the lifting plate 24 drives the wheel 26 to move upward, the support leg 25 contacts the ground, and the wheel 26 is lifted into the air. The electric push rod 5 controls the elevation angle of the screw feeder 3 to feed material. During the feeding process, the push rod 43 is shaken left and right, and the push rod 43 drives the push plate 41 to shake, which facilitates the material inside the hopper 4 to fall.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An electric arc furnace feeding device, comprising a base plate (1), a handle (11) on the left side of the base plate (1), a screw feeder (3) on the top of the base plate (1), the feed end of the screw feeder (3) being connected to a hopper (4), the feed end of the screw feeder (3) being hinged to the base plate (1) below the feed end, and an electric push rod (5) being provided between the discharge end of the screw feeder (3) and the base plate (1), characterized in that: Below the base plate (1) is a support box (2). Inside the support box (2) is a horizontally placed lead screw (21). The threads of the lead screw (21) are symmetrically arranged on the left and right. The two ends of the lead screw (21) are symmetrically provided with sleeves (22). The sleeves (22) at both ends are threadedly connected to the lead screw (21). The bottom of the sleeves (22) at both ends is hinged with a support rod (23). Below the support rod (23) is a lifting plate (24) hinged to the support rod (23). The bottom of the lifting plate (24) is connected with a wheel (26). The base plate (1) is provided with a motor (27) for driving the lead screw (21) to rotate. The inner wall of the hopper (4) is hinged with a push plate (41). The side of the hopper (4) near the push plate (41) is connected with a push rod (43). The push rod (43) and the push plate (41) are in sliding contact.

2. An arc furnace charging device according to claim 1, characterized in that: Two support rods (23) are placed symmetrically on the left and right, and the rod sleeves (22) at both ends are located on the left and right sides of the two support rods (23).

3. An arc furnace charging device according to claim 2, characterized in that: The lifting plate (24) has vertically placed support legs (25) through both ends. The support legs (25) at both ends are fixedly connected to the inner wall of the support box (2), and the support legs (25) at both ends are slidably connected to the lifting plate (24).

4. An arc furnace charging device according to claim 1, characterized in that: The push plate (41) has a slide (42) on the side near the push rod (43), and the push rod (43) and the slide (42) are slidably connected.

5. An arc furnace charging device according to claim 4, characterized in that: The bottom of the pusher plate (41) extends to the connection between the hopper (4) and the feed end of the screw feeder (3).

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