Stream inoculation linkage device and casting ladle for casting

Abstract

The utility model relates to a stream inoculation linkage device and a casting ladle for casting. The casting ladle is connected with an inoculation hopper, and the casting ladle is provided with a hanging handle; the linkage device comprises a first supporting rod, a second supporting rod and a first connecting rod, one end of the first supporting rod is fixedly connected to the top of the lifting handle, and the other end is rotatably connected with the first end of the first connecting rod; the second end of the first connecting rod is rotatably connected with the inoculation hopper; one end of the second supporting rod is rotatably arranged on the casting ladle, and the other end of the second supporting rod is rotatably arranged between the first end and the second end of the first connecting rod; the first strut and the second strut are arranged in parallel; the inoculation hopper is provided with a discharging pipe, and a discharging opening of the discharging pipe is located near the water outlet of the casting ladle and faces the water outlet. According to the stream inoculation linkage device, linkage of the casting ladle and the inoculation hopper is achieved, in the process that the casting ladle pours molten metal, the discharging opening of the discharging pipe of the inoculation hopper faces the water outlet of the casting ladle all the time, and inoculants can evenly fall onto a liquid outlet flow column of the casting ladle in the whole process.

Description

Technical Field

[0001] The utility model relates to the technical field of casting, in particular to a flow-following inoculation linkage device and a casting ladle. Background Art

[0002] During the production process of ductile iron, multiple inoculations are required. Inoculation can promote the formation of crystal cores to improve the metallographic structure and mechanical properties of the material. Among them, the inoculation during the pouring process can overcome the weakening of the inoculation effect over time due to inoculation decay. It is widely used in various castings, especially in thin-walled castings, with significant effects.

[0003] The existing flow-inoculation device is to place the inoculant in the inoculant bucket placed at the ladle mouth position, and turn on the inoculant bucket switch during the pouring process to make the inoculant fall directly onto the ladle outlet flow column for flow-inoculation. However, during the pouring process, as the molten metal in the ladle gradually decreases and the ladle inclination angle continues to increase, the discharge port of the existing inoculant bucket will deviate from the water outlet position of the ladle, which will cause the inoculant to not fall directly onto the ladle outlet flow column; on the other hand, it will cause the inoculant flow to be unstable, affecting the inoculation effect, and even the inoculant cannot be melted in time, and the undissolved inoculant will accumulate on the liquid surface of the water outlet basin and be drawn into the casting cavity, causing slag inclusion defects. Summary of the invention

[0004] Based on this, it is necessary to provide a flow-inoculating linkage device and a casting ladle to address the above-mentioned technical problems.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions:

[0006] The utility model embodiment discloses a flow-following inoculation linkage device, which connects a casting ladle and an inoculation bucket, wherein the casting ladle is provided with a hanging handle; the linkage device comprises a first support rod, a second support rod and a first connecting rod, wherein one end of the first support rod is fixedly connected to the top of the hanging handle, and the other end is rotatably connected to the first end of the first connecting rod; the second end of the first connecting rod is rotatably connected to the inoculation bucket; one end of the second support rod is rotatably arranged on the casting ladle, and the other end is rotatably arranged between the first end and the second end of the first connecting rod; the first support rod and the second support rod are arranged in parallel; the inoculation bucket is provided with a discharge pipe, and the discharge port of the discharge pipe is located near the water outlet of the casting ladle and faces the water outlet.

[0007] In one embodiment, the discharge pipe includes a main pipe and an inclined pipe that are interconnected, the main pipe is parallel to the second support rod, and the inclined pipe faces the water outlet.

[0008] In one embodiment, the hanger is rotatably connected to the outside of the ladle through a first axis, the second support rod is rotatably connected to the outside of the ladle through a second axis, and the first axis, the second axis and the water outlet are on a straight line parallel to the first connecting rod.

[0009] In one embodiment, the distance between the first axis and the water outlet is less than or equal to the length of the first connecting rod.

[0010] In one embodiment, the sum of the lengths of the hanger and the first support rod in the Y direction is equal to the length of the second support rod in the Y direction.

[0011] In one embodiment, the sum of the lengths of the inoculation bucket and the discharge pipe in the Y direction is equal to the length of the second support rod in the Y direction.

[0012] In one embodiment, the linkage device further includes a second connecting rod, which is arranged parallel to the first connecting rod; and one end of the second connecting rod is rotatably connected to the second support rod, and the other end of the second connecting rod is rotatably connected to the inoculation bucket.

[0013] In one embodiment, there are multiple second support rods, and each second support rod is arranged parallel to the first support rod.

[0014] In a second aspect, an embodiment of the utility model further discloses a casting ladle, which is connected to an inoculation bucket via any of the above-mentioned inoculation linkage devices.

[0015] In one embodiment, a group of flow-following incubation linkage devices are respectively provided on both sides of the water outlet.

[0016] The technical solution adopted by the utility model can achieve the following beneficial effects:

[0017] The utility model discloses a flow-based inoculation linkage device, which realizes the linkage between the ladle and the inoculation bucket. During the process of pouring molten metal from the ladle, the discharge pipe of the inoculation bucket is always directed toward the water outlet of the ladle, and the inoculant can be evenly dropped onto the discharge column of the ladle throughout the whole process, thereby improving the flow-based inoculation effect. The inoculant can be evenly and fully mixed with the molten metal to improve the inoculation effect, while preventing slag inclusion defects in castings caused by accumulation of unmelted inoculant from the source. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of a working state of the flow-following inoculation linkage device disclosed in an embodiment of the utility model;

[0019] Figure 2 for Figure 1 A partial enlarged view of the middle A part;

[0020] Figure 3 for Figure 1 A partial enlarged view of part B in the middle;

[0021] Figure 4 It is a schematic diagram of another working state of the flow-following inoculation linkage device disclosed in the embodiment of the utility model;

[0022] Figure 5 It is a schematic diagram of another working state of the flow-following inoculation linkage device disclosed in the embodiment of the utility model;

[0023] Description of reference numerals:

[0024] 100-pouring ladle, 110-water outlet, 120-hanging handle, 121-vertical handle, 122-horizontal handle, 123-hanging ring;

[0025] 200- linkage device, 210- first support rod, 220- second support rod, 230- first connecting rod, 240- second connecting rod, 250- first shaft, 260- second shaft;

[0026] 300-incubation bucket, 310-main pipe, 320-inclined pipe, 330-bucket valve, 340-L-type vertical plate. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0028] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or there may be a centered element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a centered element at the same time. The terms "vertical", "horizontal", "left", "right", "top", "bottom", "bottom end", "top end" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0030] The utility model embodiment discloses a flow-following incubation linkage device, such as Figures 1 to 5 As shown, the disclosed linkage device 200 is connected between the ladle 100 and the inoculation bucket 300 to realize the linkage between the ladle 100 and the inoculation bucket 300. During the pouring of molten metal from the ladle 100, under the traction of the linkage device 200, the discharge port of the discharge pipe of the inoculation bucket 300 is always located at the water outlet 110 of the ladle 100, and the inoculant can evenly fall onto the outlet flow column of the ladle 100 throughout the process, realizing uniform flow-based inoculation.

[0031] like Figures 1 to 3 As shown, the ladle 100 is provided with a lifting handle 120, which can be used to lift and transport the ladle 100, pour the molten metal, etc. in conjunction with the lifting device. The lifting handle 120 can include two longitudinal handles 121 and a transverse handle 122. The two longitudinal handles 121 are rotatably connected to the two sides of the ladle 100 through the first axis 250, respectively. The transverse handle 122 is arranged between the two longitudinal handles 121, and its two ends are respectively fixed to the ends of the two longitudinal handles 121 away from the first axis 250. A lifting ring 123 is also arranged in the middle of the side of the transverse handle 122 away from the ladle 100. When the hook of the lifting device is hung on the lifting ring 123, the ladle 100 is lifted by the lifting handle 120, and the ladle 100 can be rotated around the first axis 250 to pour the molten metal therein. It should be noted that during the process of pouring the molten metal from the ladle 100, under the action of the gravity of the ladle 100 and the lifting force of the lifting device, the longitudinal handle 121 always remains along the Y direction.

[0032] Specifically, the linkage device 200 may include a first support rod 210, a second support rod 220 and a first connecting rod 230, wherein the first support rod 210 is fixedly connected to the side of the horizontal handle 122 away from the ladle 100, and the first support rod 210 is arranged in parallel with the vertical handle 121. During the process of pouring molten metal from the ladle 100, the first support rod 210 also always remains along the Y direction; one end of the first support rod 210 away from the horizontal handle 122 is rotatably connected to the first end of the first connecting rod 230, and the second end of the first connecting rod 230 is rotatably connected to the outside of the inoculation bucket 300; one end of the second support rod 220 is rotatably connected to the outside of the ladle 100 through the second shaft 260, and the other end is rotatably connected between the first end and the second end of the first connecting rod 230. The first axis 250, the second axis 260 and the water outlet 110 are on the same straight line, and the straight line is parallel to the first connecting rod 230, and the first support rod 210, the vertical handle 121 and the second support rod 220 are parallel; that is, the straight line, the vertical handle 121 (the first support rod 210), the first connecting rod 230 and the second support rod 220 form a parallelogram, the sum of the lengths of the vertical handle 121 and the first support rod 210 in the Y direction is equal to the Y-direction length of the second support rod 220, and the spacing between the first axis 250 and the second axis 260, and the spacing from the connection point of the first connecting rod 230 and the first support rod 210 to the connection point of the first connecting rod 230 and the second support rod 220 are equal.

[0033] Furthermore, a discharge pipe is provided at the tip of the inoculation bucket 300, and the discharge port of the discharge pipe is located near the water outlet 110 and faces the water outlet 110; and the Y-direction spacing from the connection point between the inoculation bucket 300 and the first connecting rod 230 to the discharge port of the discharge pipe is equal to the length of the second support rod 220, that is, the second axis 260, the connection point between the second support rod 220 and the first connecting rod 230, the connection point between the first connecting rod 230 and the inoculation bucket 300, and the discharge port of the discharge pipe form a parallelogram.

[0034] like Figure 1 , Figure 4 , Figure 5 As shown, in the process of the ladle 100 rotating around the first axis 250 to pour the molten metal therein, under the action of the gravity of the ladle 100 and the lifting force of the lifting device, the longitudinal handle 121 (the first support rod 210) is always kept along the Y direction, and the second support rod 220 is also always kept along the Y direction under the traction of the ladle 100, the first support rod 210 and the first connecting rod 230; when the ladle 100 rotates and pours around the first axis 250, the second axis 260 and the water outlet 110 respectively make circular motions around the first axis 250; due to the traction of the second support rod 220, the first support rod 210 and the first connecting rod 230, the inoculation bucket 300 also makes circular motions around the connection point between the first support rod 210 and the first connecting rod 230; further driving the discharge port to make circular motions around the first axis 250. That is, during the process of the ladle 100 rotating around the first axis 250 to pour the molten metal therein, no matter in the early, middle or late stage of pouring, due to the traction of the linkage device 200, the water outlet 110 and the outlet of the discharge pipe are always synchronously linked, and the outlet of the discharge pipe is always located near the water outlet 110 and facing the water outlet 110. The inoculant can fall evenly onto the outlet flow column of the ladle 100 throughout the process, thereby realizing uniform flow inoculation.

[0035] In the embodiment disclosed in the present utility model, the discharge pipe includes a main pipe 310 and an inclined pipe 320 which are interconnected. The main pipe 310 is connected to the tip of the inoculation bucket 300, the inclined pipe 320 faces the water outlet 110 of the ladle 100, and the discharge port is set at one end of the inclined pipe 320 away from the main pipe 310.

[0036] Furthermore, a hopper valve 330 may be provided at the connection between the inoculation hopper 300 and the main pipe 310 to control the start and stop of the discharge and the discharge amount of the inoculation hopper 300 .

[0037] In the embodiment disclosed in the present invention, the distance between the first shaft 250 and the water outlet 110 is less than or equal to the length of the first connecting rod 230 to prevent the inoculation bucket 300 from interfering with the pouring of molten metal by the ladle 100 during the pouring process.

[0038] Furthermore, the length of the second support rod 220 is greater than the maximum length of the opening of the ladle 100 to prevent the inoculation hopper 300 from interfering with the pouring of the molten metal by the ladle 100 during the pouring process.

[0039] In the embodiment disclosed in the utility model, the linkage device 200 may further include a second connecting rod 240 to improve the stability of the linkage device 200. Specifically, an L-shaped vertical plate 340 is fixedly connected to the outer side of the inoculation bucket 300, the first connecting rod 230 is rotatably connected to one end of the L-shaped vertical plate 340, one end of the second connecting rod 240 is rotatably connected to the other end of the L-shaped vertical plate 340, and the other end of the second connecting rod 240 is rotatably connected to the second support rod 220; the L-shaped vertical plate 340 is arranged in parallel with the second support rod 220, and the first connecting rod 230 is arranged in parallel with the second connecting rod 240; that is, the first connecting rod 230, the second support rod 220, the second connecting rod 240 and the L-shaped vertical plate 340 form a parallelogram.

[0040] Furthermore, multiple groups of the second support rod 220 and / or the second connecting rod 240 may be provided to improve the stability and load-bearing capacity of the linkage device 200 .

[0041] In a second aspect, an embodiment of the utility model further discloses a casting ladle, which is connected to an inoculation bucket via any of the above-mentioned inoculation linkage devices.

[0042] In the embodiment disclosed in the utility model, the casting ladle can be connected to the inoculation bucket through two sets of flow-following inoculation linkage devices, and the two sets of flow-following inoculation linkage devices can be symmetrically arranged on both sides of the water outlet of the ladle.

[0043] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A flow-based inoculation linkage device, connecting a ladle and an inoculation bucket, wherein the ladle is provided with a hanging handle, characterized in that: The linkage device comprises a first support rod, a second support rod and a first connecting rod, one end of the first support rod is fixed to the top of the suspension handle, and the other end is rotatably connected to the first end of the first connecting rod; the second end of the first connecting rod is rotatably connected to the inoculation bucket; one end of the second support rod is rotatably connected to the ladle, and the other end is rotatably connected to the first connecting rod; the first support rod and the second support rod are arranged in parallel; The inoculation bucket is provided with a discharge pipe, and a discharge port of the discharge pipe is located near the water outlet of the ladle and faces the water outlet.

2. The flow-inoculation linkage device according to claim 1, characterized in that: The discharge pipe comprises a main pipe and an inclined pipe which are interconnected, the main pipe is parallel to the second support rod, and the inclined pipe faces the water outlet.

3. The flow-inoculation linkage device according to claim 1, characterized in that: The hanger is rotatably connected to the outside of the ladle via a first axis, the second support rod is rotatably connected to the outside of the ladle via a second axis, and the first axis, the second axis and the water outlet are on a straight line parallel to the first connecting rod.

4. The flow-inoculation linkage device according to claim 3 is characterized in that: The distance between the first axis and the water outlet is less than or equal to the length of the first connecting rod.

5. The flow-inoculation linkage device according to claim 1, characterized in that: The sum of the lengths of the hanger and the first support rod in the Y direction is equal to the length of the second support rod in the Y direction.

6. The flow inoculation linkage device according to claim 5, characterized in that: The sum of the lengths of the inoculation bucket and the discharge pipe in the Y direction is equal to the length of the second support rod in the Y direction.

7. The flow-inoculation linkage device according to claim 1, characterized in that: It also includes a second connecting rod, which is arranged parallel to the first connecting rod; one end of the second connecting rod is rotatably connected to the second support rod, and the other end of the second connecting rod is rotatably connected to the inoculation bucket.

8. The flow-inoculation linkage device according to claim 1, characterized in that: There are a plurality of second support rods, and each second support rod is arranged parallel to the first support rod.

9. A casting ladle, characterized in that: The inoculation bucket is connected via the flow inoculation linkage device as described in any one of claims 1 to 8.

10. The casting ladle according to claim 9, characterized in that: A group of flow-following incubation linkage devices are respectively arranged on both sides of the water outlet.

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