Downward leakage crucible stirring structure
By setting leak holes and movable plugs at the bottom of the crucible of the intermediate frequency melting furnace, combined with a sprocket and a motor-driven agitator, the problem of uncontrolled solution outflow speed and uneven material melting is solved, and the solution outflow speed is precisely controlled and the material melting uniformity is achieved.
Patent Information
- Application Number
- CN202420373557.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-28
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-02-28
AI Technical Summary
In the existing medium-frequency melting furnace, the rate of solution flowing from the bottom of the crucible cannot be controlled, which affects production efficiency and there is unevenness during the melting of the material.
A down-leakage crucible stirring structure is designed, and the solution flow rate is controlled by setting leakage holes at the bottom of the crucible and equipped with a plug that can move up and down; at the same time, uniform stirring of the material is achieved by using a sprocket, a motor-driven shaft sleeve and a stirring rod.
Effectively control the solution outflow rate, ensure the uniformity of material melting, and improve the smelting quality and efficiency.
Smart Images

Figure CN222718636U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crucible heating, in particular to a bottom-leaking crucible stirring structure. Background Art
[0002] In some medium frequency melting furnaces, the solution that needs to be melted flows out from the bottom of the crucible, and the outflow speed cannot be controlled. Too fast or too slow will affect the production efficiency. At the same time, there is unevenness in the material melting process. Therefore, there is an urgent need for a structure that can control the solution outflow speed and ensure uniform material melting. Summary of the invention
[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a bottom-leakage crucible stirring structure, which can control the outflow speed of the solution at the bottom of the crucible and can stir the material during the melting process to ensure the melting uniformity, thereby effectively solving the problems in the background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bottom leakage type crucible stirring structure, comprising a heating seat, an induction coil is arranged in the heating seat, a crucible is placed in the induction coil, leakage holes are evenly distributed on the bottom of the crucible, a material receiving box is arranged below the crucible, a plug for plugging the leakage holes is arranged inside the crucible, the plug is located in the shaft sleeve, and the plug can move up and down in the shaft sleeve, a rotating sleeve is fixed on the outer side surface of the shaft sleeve, a stirring rod is arranged at the lower end of the rotating sleeve, the stirring rod is parallel to the plug, the upper end of the shaft sleeve is connected to the second sprocket, the shaft sleeve and the second sprocket are both rotatably connected to the fixed frame, the second sprocket is connected to the first sprocket through a chain, and the first sprocket is sleeved on the outer side surface of the output shaft of the motor.
[0005] As a preferred technical solution of the utility model, a connecting column is provided at the upper end of the plug column, a threaded hole is provided in the connecting column, a wrench is threadedly connected in the threaded hole, the wrench is L-shaped, and the upper end of the wrench passes through the second sprocket.
[0006] As a preferred technical solution of the utility model, a vent hole is penetrated inside the plug, and the vent hole is connected with the threaded hole.
[0007] As a preferred technical solution of the utility model, the stirring rod and the rotating sleeve are threadedly connected.
[0008] As a preferred technical solution of the utility model, a fixing box is provided on one side of the fixing frame, one side of the fixing box is opened, a screw is provided in the fixing box, one end of the fixing frame is rotatably connected to the screw through a bearing, and the screw is threadedly connected to the top cover plate of the fixing box.
[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the bottom leakage crucible stirring structure is reasonably designed and easy to operate, and the gap between the lower end of the plug and the leakage hole at the bottom of the crucible is controlled by arranging the plug to move up and down in the sleeve, thereby controlling the outflow rate of the solution; by connecting the second sprocket to the sleeve, the second sprocket and the sleeve are controlled to rotate together under the drive of the motor, thereby driving the stirring rod outside the sleeve to rotate to evenly stir the melted material, thereby improving the smelting quality and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the utility model;
[0011] Figure 2 Based Figure 1 A magnified schematic diagram of center A.
[0012] In the figure: 1 heating seat, 2 induction coil, 3 crucible, 4 plug, 5 shaft sleeve, 6 rotating sleeve, 7 stirring rod, 8 wrench, 9 leakage hole, 10 vent hole, 11 connecting column, 12 threaded hole, 13 second sprocket, 14 chain, 15 first sprocket, 16 motor, 17 fixing frame, 18 fixing box, 19 screw, 20 material receiving box. DETAILED DESCRIPTION
[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments (for the convenience of description and understanding, the following is a schematic diagram of the present invention). Figure 1 Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.
[0014] See also Figure 1-2 The utility model provides a technical solution: a bottom leakage crucible stirring structure, comprising a heating seat 1, an induction coil 2 is arranged in the heating seat 1, a crucible 3 is placed in the induction coil 2, the crucible 3 is heated by connecting electricity to the induction coil 2, the bottom of the crucible 3 is evenly distributed with leakage holes 9, and a material receiving box 20 is arranged below the crucible 3 for receiving the outflowing solution;
[0015] A plug 4 for plugging the leakage hole 9 is provided inside the crucible 3. The plug 4 is located in the shaft sleeve 5 and can move up and down in the shaft sleeve 5. A rotating sleeve 6 is fixed to the outer side of the shaft sleeve 5. A stirring rod 7 is provided at the lower end of the rotating sleeve 6. The stirring rod 7 is parallel to the plug 4. The upper end of the shaft sleeve 5 is connected to the second sprocket 13. The shaft sleeve 5 and the second sprocket 13 are both rotatably connected to the fixed frame 17. The second sprocket 13 is connected to the first sprocket 15 through a chain 14. The first sprocket 15 is sleeved on the outer side of the output shaft of the motor 16. The first sprocket 15, the chain 14 and the second sprocket 13 are driven by the motor 16 to drive the shaft sleeve 5, and then the stirring rod 7 rotates with the shaft sleeve 5 to stir the material to ensure the uniformity of the melting of the material.
[0016] Furthermore, a connecting column 11 is provided at the upper end of the plug 4, and a threaded hole 12 is provided in the connecting column 11. A wrench 8 is threadedly connected to the threaded hole 12. The wrench 8 is L-shaped, and the upper end of the wrench 8 passes through the second sprocket 13. The wrench 8 is provided to facilitate the control of the up and down movement of the plug 4.
[0017] Furthermore, a vent hole 10 is passed through the plug 4, and the vent hole 10 is connected to the threaded hole 12. By providing the vent hole 10, argon or high-purity nitrogen can be introduced into the solution to remove slag and improve the quality of the solution.
[0018] Furthermore, the stirring rod 7 and the rotating sleeve 6 are threadedly connected to facilitate the removal and installation of the stirring rod 7 .
[0019] Furthermore, a fixing box 18 is provided on one side of the fixing frame 17, and an opening is opened on one side of the fixing box 18. A screw 19 is provided in the fixing box 18. One end of the fixing frame 17 is rotatably connected to the screw 19 through a bearing. The screw 19 is threadedly connected to the top cover plate of the fixing box 18. By rotating the screw 19, the fixing frame 17 can be controlled to move up and down, thereby adjusting the stirring position of the stirring rod 7, thereby improving the versatility of use.
[0020] When in use: the induction coil 2 is energized to heat the crucible 3, so that the material in the crucible 3 is melted. During the melting process, the motor 16 is turned on and transmitted through the first sprocket 15, the chain 14 and the second sprocket 13, thereby driving the sleeve 5 to rotate, and the stirring rod 7 rotates accordingly to stir the material to ensure that the material is melted evenly; the plug 4 is controlled to move up and down in the sleeve 5 by the wrench 8, thereby adjusting the gap between the plug 4 and the bottom of the crucible 3 to control the outflow speed of the solution.
[0021] The utility model can not only control the outflow speed of the solution, but also ensure the melting uniformity of the material, and the processes do not interfere with each other, which is convenient for operation and improves the convenience of use.
[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A bottom leakage type crucible stirring structure, comprising a heating seat (1), an induction coil (2) is arranged in the heating seat (1), a crucible (3) is placed in the induction coil (2), the bottom of the crucible (3) is evenly distributed with leakage holes (9), and a material receiving box (20) is arranged below the crucible (3), characterized in that: A plug (4) for plugging the leak hole (9) is arranged inside the crucible (3); the plug (4) is located inside the shaft sleeve (5) and can move up and down inside the shaft sleeve (5); a rotating sleeve (6) is fixed to the outer side of the shaft sleeve (5); a stirring rod (7) is arranged at the lower end of the rotating sleeve (6); the stirring rod (7) is parallel to the plug (4); the upper end of the shaft sleeve (5) is connected to the second sprocket (13); the shaft sleeve (5) and the second sprocket (13) are both rotatably connected to a fixed frame (17); the second sprocket (13) is connected to the first sprocket (15) via a chain (14); the first sprocket (15) is sleeved on the outer side of the output shaft of the motor (16).
2. A bottom-leaking crucible stirring structure according to claim 1, characterized in that: A connecting column (11) is provided at the upper end of the plug column (4), a threaded hole (12) is provided in the connecting column (11), a wrench (8) is threadedly connected to the threaded hole (12), the wrench (8) is L-shaped, and the upper end of the wrench (8) passes through the second sprocket (13).
3. A bottom-leaking crucible stirring structure according to claim 2, characterized in that: A vent hole (10) runs through the plug (4), and the vent hole (10) is connected to the threaded hole (12).
4. The bottom-leaking crucible stirring structure according to claim 1, characterized in that: The stirring rod (7) and the rotating sleeve (6) are threadedly connected.
5. The bottom-leaking crucible stirring structure according to claim 1, characterized in that: A fixing box (18) is provided on one side of the fixing frame (17), one side of the fixing box (18) is opened, a screw rod (19) is provided in the fixing box (18), one end of the fixing frame (17) is rotatably connected to the screw rod (19) via a bearing, and the screw rod (19) is threadedly connected to a top cover plate of the fixing box (18).