Molten iron injection device for pig iron casting

Abstract

The utility model discloses a molten iron injection device for pig iron casting, and belongs to the technical field of pig iron casting. A molten iron injection device for pig iron casting comprises a rack and a molten iron tank, a door-shaped frame is arranged on one side of the rack, limiting plates are fixedly connected to the portion, on one side of the door-shaped frame, of the rack, a winch is arranged on the door-shaped frame, the output end of the winch is connected with the molten iron tank through a rope, and a liquid guide pipe is arranged between the limiting plates. According to the molten iron injection device for pig iron casting, the positioning ring is tightly matched with the sleeving clamping groove in the liquid guide pipe, it is ensured that the water outlet is always located in the liquid inlet when the molten iron tank rotates, the molten iron injection position is fixed through the design, and the injection position change caused by rotation of the molten iron tank is avoided; and the arc-shaped sliding grooves in the limiting plate are matched with the sliding blocks on the two sides of the hot-metal bottle for use, so that the hot-metal bottle is ensured to move along a preset track in the rotating process, and the stability is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to pig iron casting technical field more specifically, relate to a pig iron casting molten iron injection device. BACKGROUND

[0002] The existing molten iron injection device is usually moved by manual or hoisting equipment during use. The existing molten iron injection device is usually not provided with a corresponding fixing device, so that it shakes during movement, which can cause the molten iron in the ladle to splash out easily, resulting in waste of raw materials and easy scalding of workers.

[0003] The molten iron injection device for pig iron casting disclosed in Chinese patent No. CN222113514U sets a limiting assembly and a limiting unit, which can effectively limit the ladle during use, so that the transfer during casting is more stable, and the splashing of molten iron inside is avoided.

[0004] However, in the patent, the height and horizontal position of the water outlet of the ladle change after the ladle is rotated by the traction rope, that is, the injection position of the molten iron changes with the rotation of the ladle, which is difficult to control the molten iron to be injected into a fixed position. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the deficiencies in the prior art and providing a molten iron injection device for pig iron casting to solve the above problems.

[0006] To achieve the above-mentioned purpose, the technical scheme provided by the utility model is as follows:

[0007] The molten iron injection device for pig iron casting comprises a rack and a molten iron tank. One side of the rack is provided with a door-shaped frame. A limiting plate is fixedly connected to the rack on one side of the door-shaped frame. A winch is arranged on the door-shaped frame. The output end of the winch is connected to the molten iron tank through a rope. When the winch winds the rope, it drives the molten iron tank to rotate and pour molten iron. At the same time, the winch fixes one end of the molten iron tank through the rope to stabilize the position of the molten iron tank. A liquid guide pipe is arranged between the limiting plates. A positioning ring is arranged on one side of the upper end of the molten iron tank. The positioning ring is sleeved with the liquid guide pipe. The molten iron flowing out of the molten iron tank is guided to a fixed position through the liquid guide pipe.

[0008] Preferably, an arc-shaped sliding groove is formed in the limiting plate. Sliders movably connected with the arc-shaped sliding groove are arranged on both sides of the molten iron tank. The sliders limit the position of the molten iron tank. When the side of the molten iron tank connected with the rope is lifted, the sliders move along the direction of the arc-shaped sliding groove. The liquid guide pipe is sleeved with the output end of the molten iron tank.

[0009] Preferably, the molten iron ladle is equipped with a heating element inside to maintain the fluidity of the molten iron. A water outlet is provided on the side of the molten iron ladle near the inner wall of the positioning ring. A splash guard is placed on the molten iron ladle above the water outlet to prevent the molten iron from splashing out when it is poured.

[0010] Preferably, both ends of the liquid guide tube are fixedly connected to the limiting plate, and a sleeve groove is provided at the position where the liquid guide tube and the positioning ring are sleeved. The positioning ring is sleeved with the sleeve groove, and the sleeve groove is used to position the positioning ring. The positioning ring can rotate around the liquid guide tube.

[0011] Preferably, a liquid inlet is provided on one side of the socket groove, and the outlet is inserted into the liquid inlet. When the positioning ring rotates around the socket groove, the outlet moves within the liquid inlet, and the positioning ring blocks the position of the liquid inlet to ensure that the outlet always pours molten iron into the liquid inlet.

[0012] Preferably, a sealing strip is provided on the side wall of the socket groove, and an annular groove is provided on the side wall of the positioning ring, the annular groove engaging with the sealing strip.

[0013] Preferably, one end of the liquid guide tube extends to the outside of the limiting plate to guide the molten iron to a set position. A precision metering pump is installed at the end of the liquid guide tube where the molten iron flows out, which can accurately control the amount of molten iron injected each time according to the set parameters.

[0014] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0015] This utility model discloses a molten iron injection device for pig iron casting. Through a tight fit between the positioning ring and the slotted groove on the liquid guide pipe, it ensures that the outlet is always located within the inlet when the molten iron ladle rotates. This design keeps the molten iron injection position fixed, avoiding changes in injection position due to ladle rotation, thus improving injection accuracy. The arc-shaped sliding groove on the limiting plate works in conjunction with the sliders on both sides of the molten iron ladle to ensure that the ladle moves along a predetermined trajectory during rotation, maintaining stability. This not only improves operational safety but also ensures smooth and controllable movement of the molten iron ladle. A splash guard is installed on the molten iron ladle to effectively prevent molten iron from splashing out when pouring, greatly reducing the potential threat of high-temperature molten iron to operators and improving operational safety. A precision metering pump is installed at the end of the liquid guide pipe, which can accurately control the amount and flow rate of molten iron injected each time according to preset parameters. Attached Figure Description

[0016] Figure 1 This is a structural diagram of the molten iron injection device for pig iron casting of this utility model.

[0017] Figure 2 This is a structural diagram of the liquid guiding tube of this utility model;

[0018] Figure 3 This is a structural diagram of the molten iron ladle of this utility model;

[0019] Figure 4 A diagram showing the molten iron ladle of this utility model being poured into molten iron.

[0020] Figure 5 This is an enlarged view of section A of this utility model.

[0021] In the diagram: 1. Frame; 11. Gantry frame; 12. Winch; 13. Limiting plate; 131. Arc-shaped chute; 2. Molten iron ladle; 21. Sliding block; 22. Heating element; 23. Positioning ring; 231. Annular groove; 24. Water outlet; 25. Splash guard; 3. Liquid guide pipe; 31. Socket groove; 311. Sealing strip; 312. Liquid inlet; 32. Precision metering pump. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0024] Combination Figures 1-5 This utility model discloses a molten iron injection device for pig iron casting, comprising a frame 1 and a molten iron ladle 2. A gantry frame 11 is provided on one side of the frame 1, and a limit plate 13 is fixedly connected to the frame 1 on one side of the gantry frame 11. A winch 12 is provided on the gantry frame 11, and the output end of the winch 12 is connected to the molten iron ladle 2 through a rope. When the winch 12 winds the rope, it drives the molten iron ladle 2 to rotate and pour out the molten iron. At the same time, the winch 12 fixes one end of the molten iron ladle 2 through the rope to stabilize the position of the molten iron ladle 2.

[0025] The limiting plate 13 has an arc-shaped slide groove 131. The two sides of the molten iron ladle 2 are provided with sliders 21 that are movably connected to the arc-shaped slide groove 131. The sliders 21 restrict the position of the molten iron ladle 2. When the side of the molten iron ladle 2 connected to the rope is lifted, the sliders 21 move along the direction of the arc-shaped slide groove 131. A liquid guide pipe 3 is provided between the limiting plates 13. The liquid guide pipe 3 is sleeved with the output end of the molten iron ladle 2. The molten iron flowing out of the molten iron ladle 2 is discharged to a fixed position through the liquid guide pipe 3.

[0026] The molten iron ladle 2 is equipped with a heating element 22 to maintain the fluidity of the molten iron. A positioning ring 23 is provided on one side of the upper end of the molten iron ladle 2. The positioning ring 23 is sleeved with the liquid guide pipe 3. A water outlet 24 is provided on the side of the molten iron ladle 2 near the inner wall of the positioning ring 23. A splash guard 25 is provided on the molten iron ladle 2 above the water outlet 24 to prevent the molten iron from splashing out when it is poured.

[0027] Both ends of the liquid guide tube 3 are fixedly connected to the limiting plate 13. A fitting groove 31 is provided at the position where the liquid guide tube 3 and the positioning ring 23 are fitted. A sealing strip 311 is provided on the side wall of the fitting groove 31. The positioning ring 23 is fitted into the fitting groove 31. An annular groove 231 is provided on the side wall of the positioning ring 23. The annular groove 231 is engaged with the sealing strip 311. The positioning ring 23 can rotate around the liquid guide tube 3. An inlet 312 is provided on one side of the fitting groove 31. The outlet 24 is inserted into the inlet 312. When the positioning ring 23 rotates around the fitting groove 31, the outlet 24 moves within the inlet 312. The positioning ring 23 blocks the position of the inlet 312, ensuring that the outlet 24 always pours molten iron into the inlet 312.

[0028] One end of the liquid guide pipe 3 extends to the outside of the limiting plate 13 to guide the molten iron to the set position. The liquid guide pipe 3 is placed at the end where the molten iron flows out and is equipped with a precision metering pump 32, which can accurately control the amount of molten iron injected each time according to the set parameters.

[0029] Working process: The winch 12 on the gantry frame 11 connects to one end of the molten iron ladle 2 via a rope. When molten iron needs to be poured, the winch 12 winds the rope, causing the molten iron ladle 2 to rotate around the liquid guide pipe 3, thereby pouring out the molten iron inside. The molten iron ladle 2 is equipped with a heating element 22 to maintain the fluidity of the molten iron and prevent solidification due to temperature drop. The slider 21 is embedded in the arc-shaped groove 131 on the limiting plate 13 to ensure that the molten iron ladle 2 remains stable during rotation and to prevent safety hazards caused by excessive tilt angle. The outlet 24 is always inserted into the inlet 312 to ensure that the molten iron can flow smoothly into the liquid guide pipe 3. One end of the liquid guide pipe 3 extends to the outside of the limiting plate 13 and is equipped with a precision metering pump 32. This pump controls the flow rate and injection volume of the molten iron according to preset parameters and guides the molten iron to the set position through the liquid guide pipe 3. When pouring molten iron, the anti-splash baffle 25 effectively prevents the molten iron from splashing out, further improving operational safety.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A molten iron pouring device for pig iron casting, comprising a frame (1) and a molten iron ladle (2), characterized in that: A portal frame (11) is provided on one side of the frame (1). A limiting plate (13) is fixedly connected to the frame (1) on one side of the portal frame (11). A winch (12) is provided on the portal frame (11). The output end of the winch (12) is connected to the molten iron ladle (2) through a rope. A liquid guide pipe (3) is provided between the limiting plates (13). A positioning ring (23) is provided on one side of the upper end of the molten iron ladle (2). The positioning ring (23) is sleeved with the liquid guide pipe (3).

2. The molten iron injection device for pig iron casting according to claim 1, characterized in that: The limiting plate (13) is provided with an arc-shaped slide groove (131), and the sides of the molten iron ladle (2) are provided with sliders (21) that are movably connected to the arc-shaped slide groove (131).

3. The molten iron injection device for pig iron casting according to claim 1, characterized in that: The molten iron ladle (2) is equipped with a heating element (22) inside. The molten iron ladle (2) is provided with an outlet (24) on the side of the inner wall of the positioning ring (23). A splash guard (25) is placed on the molten iron ladle (2) above the outlet (24).

4. The molten iron injection device for pig iron casting according to claim 3, characterized in that: The two ends of the liquid guide tube (3) are fixedly connected to the limiting plate (13). A sleeve groove (31) is provided at the position where the liquid guide tube (3) and the positioning ring (23) are sleeved. The positioning ring (23) is sleeved with the sleeve groove (31).

5. The molten iron injection device for pig iron casting according to claim 4, characterized in that: The sleeve slot (31) is provided with a liquid inlet (312) on one side, and the water outlet (24) is inserted into the liquid inlet (312).

6. The molten iron injection device for pig iron casting according to claim 4, characterized in that: A sealing strip (311) is provided on the side wall of the socket slot (31), and an annular groove (231) is provided on the side wall of the positioning ring (23). The annular groove (231) is engaged with the sealing strip (311).

7. The molten iron injection device for pig iron casting according to claim 1, characterized in that: One end of the liquid guide tube (3) extends to the outside of the limiting plate (13), and a precision metering pump (32) is provided at the end of the liquid guide tube (3) where the molten iron flows out.

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