Lead liquid conveying device for lead smelting

Abstract

The invention relates to the technical field of high-melting-point alloy, in particular to a lead liquid conveying device for lead smelting, which comprises a smelting pot and a conveying sealing plate movably arranged on the smelting pot, and is characterized in that a lead liquid conveying module is vertically and downwards arranged on the conveying sealing plate; a first height adjusting device is arranged on the left side of the smelting pot, a second height adjusting device is arranged on the right side of the smelting pot, the first height adjusting device comprises a first adjusting supporting plate, the first adjusting supporting plate is fixed to the left side face of the smelting pot, and a first adjusting air cylinder is vertically and upwards arranged on the first adjusting supporting plate; a first limiting plate is fixed to a piston rod of the first adjusting air cylinder, and a first butt joint through hole is formed in the conveying sealing plate. According to the lead liquid conveying device for lead smelting, the height of the lead liquid conveying module can be adjusted, and therefore residual lead liquid in a smelting pot is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of high melting point alloys, and in particular to a lead liquid conveying device for lead smelting. Background Art

[0002] In the lead alloy smelting industry, the lead pump is an indispensable equipment in the ingot casting process. In the process, the molten lead liquid is sucked into the pump casing, and then the lead liquid is transported to the ingot casting mold through the lead outlet pipe to form a lead ingot. However, due to the high temperature, high specific gravity and easy solidification of the lead liquid, it is easy to cause serious wear of the lower shaft, breakage of the direct-connected pump shaft, and jamming of the pump shaft. The high frequency of failures not only reduces the production efficiency, but also makes the fault handling more complicated. In the process of conveying the lead liquid, the existing lead liquid pump is often fixed on the top of the smelting pot. Since the length of the lower shaft is fixed, there is often residual lead liquid at the bottom of the smelting pot during the transportation process, which needs to be handled manually. Summary of the invention

[0003] In view of this, the present invention provides a molten lead conveying device for lead smelting, which can adjust the height of the molten lead conveying module to reduce the residual molten lead in the smelting pot.

[0004] To achieve the above object, the technical solution of the present invention is as follows:

[0005] A lead liquid conveying device for lead smelting comprises a smelting pot, a conveying sealing plate is movably provided on the smelting pot, and a lead liquid conveying module is vertically provided on the conveying sealing plate;

[0006] A first height adjustment device is provided on the left side of the smelting pot, and a second height adjustment device is provided on the right side thereof, wherein the first height adjustment device comprises a first adjustment support plate, the first adjustment support plate is fixed on the left side of the smelting pot, a first adjustment cylinder is vertically provided on the first adjustment support plate, a first limit plate is fixed on the piston rod of the first adjustment cylinder, a first docking through hole is provided on the conveying sealing plate, the piston rod of the first adjustment cylinder can extend upward through the first docking through hole, and a first limit stud is screwed on the top end of the piston rod of the first adjustment cylinder;

[0007] The second height adjustment device includes a second adjustment support plate, which is fixed on the right side of the smelting pot. A second adjustment cylinder is vertically arranged on the second adjustment support plate. A second limit plate is fixed on the piston rod of the second adjustment cylinder. A second docking hole is opened on the conveying sealing plate. The piston rod of the second adjustment cylinder can extend upward through the second docking hole, and a second limit stud is screwed on the top end of the piston rod of the second adjusting cylinder.

[0008] As an improvement: an annular docking plate is provided below the conveying sealing plate, a sealing docking plate is provided around the annular docking plate, and the longitudinal section of the sealing docking plate is L-shaped.

[0009] As an improvement: a sealing docking groove is provided on the periphery of the smelting pot, the sealing docking plate can be inserted into the sealing docking groove, and the sealing docking groove can be filled with a sealing liquid.

[0010] As an improvement: the lead liquid conveying module includes a frame, the frame is fixed on the conveying sealing plate, a bearing seat is fixed on the top of the frame, a motor base is fixed above the bearing seat, a motor is fixed vertically downward on the motor base, the motor is connected to an upper shaft through a motor coupling, the upper shaft is rotatably arranged inside the bearing seat, the bottom of the upper shaft is fixedly connected to a flower hole coupling through a coupling, the flower hole coupling is rotatably arranged inside the frame, and a lower shaft is connected to the bottom of the flower hole coupling;

[0011] The lower shaft is rotatably arranged inside the support frame, the support frame is fixed at the bottom of the frame, an impeller is connected to the bottom end of the lower shaft, the impeller is rotatably arranged inside the pump casing, the pump casing is fixed at the bottom of the support frame, and a filtrate cover is provided below the pump casing;

[0012] A lead outlet pipe is arranged on the left side of the impeller, and the lead outlet pipe extends upward to the outside of the smelting pot.

[0013] As an improvement: a plurality of limit devices are provided inside the support frame, the limit devices include a first limit block and a second limit block symmetrically arranged with the first limit block, the first limit block is attached to the left side of the lower shaft, and the second limit block is attached to the right side of the lower shaft;

[0014] A first docking sleeve is horizontally arranged on the first limiting block, a first limiting spring is arranged in the first docking sleeve, one end of the first limiting spring is limited in the first docking sleeve, and the other end thereof abuts against the right end of the first limiting rod, the first limiting rod is fixed on the supporting frame, and the right end thereof is inserted and limited in the first docking sleeve;

[0015] A second docking sleeve is horizontally provided on the second limit block, and a second limit spring is provided in the second docking sleeve. One end of the second limit spring is limited in the second docking sleeve, and the other end thereof abuts against the left end of the second limit rod. The second limit rod is fixed on the support frame, and the left end thereof is inserted and limited in the interior of the second docking sleeve.

[0016] As an improvement: a hanger is provided on the motor base.

[0017] As an improvement: a heating wire is wound around the output end of the lead outlet pipe.

[0018] As an improvement: a plurality of liquid level sensors are fixed below the conveying sealing plate.

[0019] In summary, the present invention has the following technical effects:

[0020] 1. When the liquid level sensor detects that there is less lead liquid in the smelting pot, the first regulating cylinder and the second regulating cylinder are started to move downward, so that the lead liquid conveying module moves downward to extract the residual lead liquid at the bottom of the smelting pot, reducing manual operations and improving conveying efficiency;

[0021] 2. A heating wire is wound around the output end of the lead outlet pipe. When the lead liquid is transported from the smelting pot to the outside, the lead outlet pipe is heated by the heating wire to prevent the lead liquid from solidifying;

[0022] 3. The first limit block and the second limit block can always fit on the lower shaft even if they are worn, thus avoiding deformation and eccentricity of the lower shaft during high-speed and high-temperature rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0024] Figure 1 The present invention is a schematic diagram of the overall structure of a lead liquid conveying device for lead smelting;

[0025] Figure 2 for Figure 1 Schematic diagram of the structure of part A;

[0026] Figure 3 for Figure 1 Schematic diagram of the structure of part B;

[0027] Figure 4 for Figure 1 Schematic diagram of the structure of part C;

[0028] Figure 5 This is a schematic diagram of the overall structure of the lead liquid delivery module;

[0029] Among them: 1. smelting pot; 2. conveying sealing plate; 3. first adjustment support plate; 4. second adjustment support plate; 5. first adjustment cylinder; 6. second adjustment cylinder; 7. first limit plate; 8. second limit plate; 9. first docking through hole; 10. second docking through hole; 11. first limit stud; 12. second limit stud; 13. annular docking plate; 14. sealing docking plate; 15. sealing docking groove; 16. frame; 17. bearing seat; 18. motor base; 19. motor; 2 0. Motor coupling; 21. Upper shaft; 22. Coupling; 23. Flower hole coupling; 24. Liquid level sensor; 25. Lower shaft; 26. Support frame; 27. Impeller; 28. Pump casing; 29. ​​Filtrate cover; 30. Lead outlet pipe; 31. First limit block; 32. Second limit block; 33. First docking sleeve; 34. Second docking sleeve; 35. First limit spring; 36. Second limit spring; 37. First limit rod; 38. Second limit rod; 39. Hanger; 40. Heating wire. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] The exemplary embodiments of the present invention are described below in conjunction with specific circumstances:

[0032] Please refer to Figure 1-Figure 3 A lead liquid conveying device for lead smelting comprises a smelting pot 1, a conveying sealing plate 2 is movably provided on the smelting pot 1, and a lead liquid conveying module is vertically provided on the conveying sealing plate 2;

[0033] A first height adjustment device is provided on the left side of the smelting pot 1, and a second height adjustment device is provided on the right side thereof. The first height adjustment device includes a first adjustment support plate 3, which is fixed to the left side of the smelting pot 1. A first adjustment cylinder 5 is vertically upwardly provided on the first adjustment support plate 3, and a first limit plate 7 is fixed on the piston rod of the first adjustment cylinder 5. A first docking through hole 9 is provided on the conveying sealing plate 2, and the piston rod of the first adjustment cylinder 5 can extend upward through the first docking through hole 9, and a first limit stud 11 is screwed on the top end of the piston rod of the first adjustment cylinder 5;

[0034] The second height adjustment device includes a second adjustment support plate 4, which is fixed on the right side of the smelting pot 1. A second adjustment cylinder 6 is vertically upwardly arranged on the second adjustment support plate 4, and a second limit plate 8 is fixed on the piston rod of the second adjustment cylinder 6. A second docking hole 10 is opened on the conveying sealing plate 2. The piston rod of the second adjustment cylinder 6 can extend upward through the second docking hole 10, and a second limit stud 12 is screwed on the top end of the piston rod of the second adjustment cylinder 6.

[0035] In this embodiment, when the liquid level sensor 24 detects that there is less molten lead in the smelting pot 1, the first regulating cylinder 5 and the second regulating cylinder 6 are started to move downward, so that the molten lead conveying module moves downward to extract the residual molten lead at the bottom of the smelting pot 1, thereby reducing manual operations and improving conveying efficiency.

[0036] An annular docking plate 13 is provided below the conveying sealing plate 2, and a sealing docking plate 14 is provided around the annular docking plate 13, and the longitudinal section of the sealing docking plate 14 is L-shaped. A sealing docking groove 15 is provided around the smelting pot 1, and the sealing docking plate 14 can be inserted into the sealing docking groove 15, and the sealing docking groove 15 can be filled with sealing liquid.

[0037] In this embodiment, the sealing docking groove 15 can be filled with a sealing liquid, and the sealing docking plate 14 is inserted inside the sealing docking groove 15 to play a liquid sealing role and reduce the volatilization of the lead liquid vapor. At the same time, a negative pressure smoke extraction duct can be set on the conveying sealing plate 2 to collect and discharge the vapor emitted by the lead liquid in time.

[0038] Please refer to Figure 5 The lead liquid conveying module includes a frame 16, the frame 16 is fixed on the conveying sealing plate 2, a bearing seat 17 is fixed on the top of the frame 16, a motor base 18 is fixed above the bearing seat 17, a motor 19 is fixed vertically downward on the motor base 18, the motor 19 is connected to the upper shaft 21 through the motor coupling 20, the upper shaft 21 is rotatably arranged inside the bearing seat 17, the bottom of the upper shaft 21 is fixedly connected to the flower hole coupling 23 through the coupling 22, and the flower hole coupling 22 is rotatable. The lower shaft 25 is rotatably arranged inside the frame 16, and a lower shaft 25 is connected to the bottom of the hole coupling 23; the lower shaft 25 is rotatably arranged inside the support frame 26, and the support frame 26 is fixed at the bottom of the frame 16, and an impeller 27 is connected to the bottom end of the lower shaft 25, and the impeller 27 is rotatably arranged inside the pump casing 28, and the pump casing 28 is fixed at the bottom of the support frame 26, and a filtrate cover 29 is provided below the pump casing 28; a lead outlet pipe 30 is provided on the left side of the impeller 27, and the lead outlet pipe 30 extends upward to the outside of the smelting pot 1.

[0039] In this embodiment, the motor coupling 20 can play a role of buffering and shock absorption, and effectively protect the motor 19; the upper shaft 21 is rotatably set inside the bearing seat 17, and the bearing seat 17 is provided with a lubrication channel and a heat dissipation structure, which is a prior art, so it is specifically given in the figure, which can absorb the heat brought by friction and evenly distribute it to other installation components, and reduce the pressure on the upper shaft 21; the flower hole coupling 23 is set between the upper shaft 21 and the lower shaft 25, and it is also rotatably set inside the frame 16, which can play a secondary buffering and shock absorption role.

[0040] Please refer to Figure 4 A plurality of limiting devices are provided inside the support frame 26, and the limiting devices include a first limiting block 31 and a second limiting block 32 symmetrically arranged with the first limiting block 31. The first limiting block 31 is attached to the left side of the lower shaft 25, and the second limiting block 32 is attached to the right side of the lower shaft 25; a first docking sleeve 33 is horizontally provided on the first limiting block 31, and a first limiting spring 35 is provided in the first docking sleeve 33. One end of the first limiting spring 35 is limited in the first docking sleeve 33, and the other end thereof abuts against the first docking sleeve 33. The right end of the first limiting rod 37, the first limiting rod 37 is fixed on the support frame 26, and its right end is inserted and limited inside the first docking sleeve 33; a second docking sleeve 34 is horizontally arranged on the second limiting block 32, and a second limiting spring 36 is arranged in the second docking sleeve 34, one end of the second limiting spring 36 is limited in the second docking sleeve 34, and the other end thereof abuts against the left end of the second limiting rod 38, and the second limiting rod 38 is fixed on the support frame 26, and its left end is inserted and limited inside the second docking sleeve 34.

[0041] In this embodiment, under the action of the first limit spring 35 and the second limit spring 36, the first limit block 31 and the second limit block 32 can always fit on the lower shaft 25 even if they are worn, thereby avoiding the deformation and eccentricity of the lower shaft 25 during high-speed and high-temperature rotation.

[0042] A sling 39 is provided on the base 18 of the motor 19. In this embodiment, the sling point in the sling 39 is located in the center, which satisfies the overall hoisting, facilitates the lifting and lowering of the equipment, and reduces the hoisting shaking of the lead pump due to the counterweight problem.

[0043] A heating wire 40 is wound around the output end of the lead outlet pipe 30. In this embodiment, when the molten lead is transported from the smelting pot 1 to the outside, the lead outlet pipe 30 is heated by the heating wire 40 to prevent the molten lead from solidifying.

[0044] A plurality of liquid level sensors 24 are fixed below the conveying sealing plate 2. In this embodiment, the liquid level sensor 24 can be used to detect the liquid level of the lead liquid in the smelting pot 1, so as to adjust the height of the lead liquid conveying module in a targeted manner.

[0045] Please refer to Figure 1, operation process: the conveying sealing plate 2 is lifted to the top of the smelting pot 1 by the lifting device 39, so that the piston rod of the first adjusting cylinder 5 is inserted into the first docking hole 9, and the piston rod of the second adjusting cylinder 6 is inserted into the second docking hole 10. At this time, the bottom of the conveying sealing plate 2 is in contact with the first limiting plate 7 and the second limiting plate 8, and then the first limiting stud 11 and the second limiting stud 12 are screwed to the piston rod of the first adjusting cylinder 5 and the piston rod of the second adjusting cylinder 6 respectively.

[0046] After the installation is completed, the sealing liquid is injected into the sealing docking groove 15 to complete the installation, and the motor 19 is started to drive the lower shaft 25 to rotate. The impeller 27 is driven by the lower shaft 25 to discharge the molten lead in the smelting pot 1 to the outside of the smelting pot 1 through the lead outlet pipe 30. In order to prevent the molten lead from solidifying, the heating wire 40 can be started to heat the lead outlet pipe 30.

[0047] When the liquid level sensor 24 detects that the lead liquid level drops to a certain level, the first regulating cylinder 5 and the second regulating cylinder 6 can be started to move downward, so that the lead liquid conveying module moves downward as a whole to extract the residual lead liquid at the bottom of the smelting pot 1.

[0048] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0049] The specific implementation methods provided by the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A lead liquid conveying device for lead smelting, comprising a smelting pot, on which a conveying sealing plate is movably provided, characterized in that: A lead liquid conveying module is vertically arranged downward on the conveying sealing plate; A first height adjustment device is provided on the left side of the smelting pot, and a second height adjustment device is provided on the right side thereof, wherein the first height adjustment device comprises a first adjustment support plate, the first adjustment support plate is fixed on the left side of the smelting pot, a first adjustment cylinder is vertically provided on the first adjustment support plate, a first limit plate is fixed on the piston rod of the first adjustment cylinder, a first docking through hole is provided on the conveying sealing plate, the piston rod of the first adjustment cylinder can extend upward through the first docking through hole, and a first limit stud is screwed on the top end of the piston rod of the first adjustment cylinder; The second height adjustment device includes a second adjustment support plate, which is fixed on the right side of the smelting pot. A second adjustment cylinder is vertically arranged on the second adjustment support plate. A second limit plate is fixed on the piston rod of the second adjustment cylinder. A second docking hole is opened on the conveying sealing plate. The piston rod of the second adjustment cylinder can extend upward through the second docking hole, and a second limit stud is screwed on the top end of the piston rod of the second adjusting cylinder.

2. The lead liquid conveying device for lead smelting according to claim 1, characterized in that: An annular docking plate is provided below the conveying sealing plate, and a sealing docking plate is provided around the annular docking plate. The longitudinal section of the sealing docking plate is L-shaped.

3. The lead liquid conveying device for lead smelting according to claim 2, characterized in that: A sealing butt joint groove is provided on the periphery of the smelting pot, the sealing butt joint plate can be inserted into the sealing butt joint groove, and the sealing butt joint groove can be filled with a sealing liquid.

4. The lead liquid conveying device for lead smelting according to claim 1, characterized in that: The lead liquid conveying module includes a frame, the frame is fixed on the conveying sealing plate, a bearing seat is fixed on the top of the frame, a motor base is fixed above the bearing seat, a motor is fixed vertically downward on the motor base, the motor is connected to an upper shaft through a motor coupling, the upper shaft is rotatably arranged inside the bearing seat, the bottom of the upper shaft is fixedly connected to a flower hole coupling through a coupling, the flower hole coupling is rotatably arranged inside the frame, and a lower shaft is connected to the bottom of the flower hole coupling; The lower shaft is rotatably arranged inside the support frame, the support frame is fixed at the bottom of the frame, an impeller is connected to the bottom end of the lower shaft, the impeller is rotatably arranged inside the pump casing, the pump casing is fixed at the bottom of the support frame, and a filtrate cover is provided below the pump casing; A lead outlet pipe is arranged on the left side of the impeller, and the lead outlet pipe extends upward to the outside of the smelting pot.

5. The lead liquid conveying device for lead smelting according to claim 4, characterized in that: A plurality of limit devices are provided inside the support frame, and the limit devices include a first limit block and a second limit block symmetrically arranged with the first limit block, the first limit block is attached to the left side of the lower shaft, and the second limit block is attached to the right side of the lower shaft; A first docking sleeve is horizontally arranged on the first limiting block, a first limiting spring is arranged in the first docking sleeve, one end of the first limiting spring is limited in the first docking sleeve, and the other end thereof abuts against the right end of the first limiting rod, the first limiting rod is fixed on the supporting frame, and the right end thereof is inserted and limited in the first docking sleeve; A second docking sleeve is horizontally provided on the second limit block, and a second limit spring is provided in the second docking sleeve. One end of the second limit spring is limited in the second docking sleeve, and the other end thereof abuts against the left end of the second limit rod. The second limit rod is fixed on the support frame, and the left end thereof is inserted and limited in the interior of the second docking sleeve.

6. The lead liquid conveying device for lead smelting according to claim 4, characterized in that: A hanging device is arranged on the motor base.

7. The lead liquid conveying device for lead smelting according to claim 4, characterized in that: A heating wire is wound around the output end of the lead outlet pipe.

8. The lead liquid conveying device for lead smelting according to claim 1, characterized in that: A plurality of liquid level sensors are fixed below the conveying sealing plate.

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