Molten aluminum stirring device

Abstract

The utility model relates to the technical field of molten aluminum stirring, in particular to a molten aluminum stirring device which comprises a base, a rotary assembly, a cross beam, a lifting assembly, a sliding assembly and a rotating assembly, the rotary assembly is rotatably connected to the base, the cross beam is fixedly connected to the rotary assembly, and the lifting assembly is fixedly connected to the end, away from the rotary assembly, of the cross beam. The lifting assembly comprises two linear guide rails, the sliding assembly is slidably connected to the two linear guide rails, the rotating assembly is fixedly connected to the sliding assembly, and the problem that space operation of the working platform is limited is solved through arrangement of the rotating assembly; by arranging the lifting assembly and the sliding assembly, the rotating assembly can slide up and down, molten aluminum at different depths can be stirred, the stirring device is stable in structure and easy and convenient to use, working safety is guaranteed, potential safety hazards such as splashing of the molten aluminum and scalding of operators can be avoided, uniform stirring of the molten aluminum is guaranteed, the labor intensity of workers is reduced, and the working efficiency is improved. The working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum liquid stirring, in particular to an aluminum liquid stirring device. Background Art

[0002] When aluminum alloy is smelted, harmful gases or solid particle impurities will be generated due to the reaction between aluminum and water or oxygen in the air. Such aluminum liquid will cause a series of quality problems such as pores, knife-cutting, and slag during the later deep processing and casting, so the aluminum liquid must be refined and purified. The existing aluminum liquid slag removal process often requires stirring the aluminum liquid.

[0003] The existing technology uses a manually assisted stirring trolley to stir the aluminum liquid, which is inefficient, the equipment is not easy to fix, the aluminum liquid is not stirred evenly, there are safety hazards such as operators being easily scalded, the labor intensity is high, the operation procedures are many, and the labor efficiency is low.

[0004] The prior art patent number is CN201921095197.6, and the patent name is a utility model patent for a molten aluminum stirring and discharging device. A molten aluminum stirring device is disclosed, which realizes the stirring of the molten aluminum through a transmission structure such as a motor, a drive shaft and a coupling, but does not have an up and down adjustment function for the stirring of the molten aluminum in the depth direction.

[0005] The prior art patent number is CN201720449357.7. The patent name is a utility model patent for a lifting aerated stirring device for stirring aluminum liquid. It discloses an aluminum liquid stirring device. When the bidirectional motor rotates in a certain direction, the lead screw rotates, the nut rises or falls in the polygonal tube, and the nut pushes the stirring shaft and the stirring paddle to move longitudinally. The collar is rotatably connected to the stirring shaft, and a slider is provided on the lead screw to limit the relative rotation of the lead screw and the stirring shaft. Therefore, the stirring paddle can also rotate during the lifting movement, so that the aluminum liquid generates eddy currents and up and down convection, thereby improving the stirring effect. This prior art realizes the up and down movement of the stirring paddle, but the use of the rotational connection between the nut and the lead screw to achieve lifting is not conducive to the precise control of the lifting position, and the lead screw is prone to swinging when rotating. Utility Model Content

[0006] The utility model aims to provide an aluminum liquid stirring device, which can realize multi-directional adjustment of the aluminum liquid stirring position, has high adjustment accuracy, is simple and convenient to operate, improves the working efficiency of aluminum liquid stirring, and reduces labor intensity.

[0007] To achieve the above-mentioned technical effect, the utility model provides an aluminum liquid stirring device, which includes a base, a rotating assembly, a crossbeam and a rotating assembly. The base includes a column and a bottom plate. The column is fixedly connected to the bottom plate, and the interior of the column is hollow. The rotating assembly includes a sleeve and a rotating shaft. The lower end of the rotating shaft is fixedly connected to the top of the column, the rotating shaft is inserted into the hollow interior of the column, the upper part of the rotating shaft extends out of the column, the sleeve is rotatably connected to the upper part of the rotating shaft extending out of the column, the crossbeam is fixedly connected to the outer wall of the sleeve, and the rotating assembly includes a motor II and a rotating shaft. Motor II is fixedly connected to one end of the crossbeam away from the sleeve, the top end of the rotating shaft is fixedly connected to the output shaft of motor II through a coupling, and the bottom end of the rotating shaft is fixedly connected to a graphite agitator.

[0008] Furthermore, a lifting assembly and a sliding assembly are connected between the rotating assembly and the crossbeam. The lifting assembly includes a support plate, a linear guide, a motor I, a motor support I and a screw rod. The upper portion of the support plate is fixedly connected to the end of the crossbeam away from the sleeve, and the lower portion of the support plate extends out of the crossbeam. Two linear guides are provided, and the two linear guides are both arranged along the length direction of the support plate. The two linear guides are symmetrical. The motor support I is fixedly connected to the top of the support plate, and the motor I is fixedly connected to the motor support I. The output shaft of the motor I passes through the motor support I and is fixedly connected to the screw rod. There is a fixed connection between the output shaft of the motor I and the screw rod. The coupling, the screw rod is arranged between the two linear guides, the sliding assembly includes two sliders, a connecting plate, a screw rod seat and a motor support II, the two sliders are respectively slidably connected to the two linear guides, the connecting plate is fixedly connected to the surfaces of the two sliders facing away from the linear guides, the screw rod seat is fixedly connected to the side of the connecting plate facing the support plate, a wire hole is provided in the center of the screw rod seat, the wire hole is connected to the screw rod, the motor support II is fixedly connected to the side of the connecting plate facing away from the screw rod seat, the motor II is fixedly connected to the motor support II, and the output shaft of the motor II passes through the motor support II and is fixedly connected to the top end of the rotating shaft through a coupling.

[0009] Furthermore, a guide assembly is fixedly connected to the support plate, and the guide assembly includes a guide tube and a support column. The support column is fixedly connected to the lower part of the support plate, and the guide tube is fixedly connected to the end of the support column away from the support plate. The lower part of the rotating shaft passes through the guide tube, and the lower part of the rotating shaft is rotatably connected in the guide tube.

[0010] Furthermore, the bottom end of the support plate is fixedly connected to a bottom support plate, the bottom support plate is provided with a through hole, the lower part of the rotating shaft passes through the through hole, and the lower part of the rotating shaft is rotatably connected in the through hole.

[0011] Furthermore, the rotating assembly includes a bearing and a top cover. There are two bearings, which are respectively connected to the upper and lower parts of the sleeve. Both bearings are connected between the sleeve and the rotating shaft. Both bearings are tapered roller bearings. The two bearings are symmetrically arranged, and the top cover is fixedly connected to the top of the sleeve.

[0012] Furthermore, a sealing groove is provided on the bottom surface of the sleeve, a sealing ring is connected in the sealing groove, and the sealing ring is slidably connected to the top surface of the column.

[0013] Furthermore, a rotary locking assembly is connected to the outer wall of the column, and the rotary locking assembly includes a support seat, a locking bolt and a locking nut. The support seat has a horizontal plate and a vertical plate to form an L shape, and the end of the horizontal plate away from the vertical plate is fixedly connected to the upper part of the outer wall of the column. A screw hole is provided on the vertical plate of the support seat, and the locking bolt is connected to the inside of the screw hole. The front end of the locking bolt is connected to the outer wall of the sleeve, and the locking nut is connected to the locking bolt, and the locking nut is connected to the vertical plate of the support seat.

[0014] Furthermore, a trapezoidal thread is provided at the bottom of the rotating shaft, and the trapezoidal thread is connected to the graphite agitator.

[0015] The beneficial effects of the utility model are:

[0016] 1. The utility of the present invention is to enable the crossbeam, lifting assembly, sliding assembly and rotating assembly to rotate around the base through the setting of the rotating assembly, thereby solving the problem of limited space operation on the working platform;

[0017] 2. The utility model enables the rotating assembly to slide up and down through the arrangement of the lifting assembly and the sliding assembly, so as to stir the aluminum liquid at different depths. Due to the arrangement of the sliding assembly and the linear guide rail, the screw rod is prevented from swinging during rotation;

[0018] 3. The utility model has a stable structure, is simple and convenient to use, ensures work safety, can realize remote operation, can avoid safety hazards such as splashing of aluminum liquid and scalding operators, ensures that the aluminum liquid is stirred evenly, reduces the labor intensity of workers, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 AA section view;

[0021] Figure 3 For this utility model Figure 1 BB cross-sectional view;

[0022] Figure 4 For this utility model Figure 2 Middle CC section view;

[0023] Figure 5 It is a cross-sectional view of the layout structure of the rotary component of the utility model.

[0024] In the figure: 1. base; 2. column; 3. bottom plate; 4. rotary assembly; 5. sleeve; 6. rotary shaft; 7. bearing; 8. top cover; 9. sealing ring; 10. crossbeam; 11. lifting assembly; 12. support plate; 13. linear guide; 14. bottom support plate; 1401. through hole; 15. motor I; 16. motor support I; 17. screw rod; 18. sliding assembly; 19. slider; 20. connecting plate; 21. screw rod seat; 2101. screw hole; 22. motor support II; 23. rotating assembly; 24. motor II; 25. rotating shaft; 26. guide assembly; 27. guide tube; 28. support column; 29. ​​rotary locking assembly; 30. support seat; 3001. screw hole; 31. locking bolt; 32. locking nut. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 5 As shown, the utility model is a kind of aluminum liquid stirring device, which includes a base 1, a rotating assembly 4, a crossbeam 10, a lifting assembly 11, a sliding assembly 18 and a rotating assembly 23. The base 1 includes a column 2 and a bottom plate 3. The column 2 is fixedly connected to the bottom plate 3. The inside of the column 2 is hollow. The rotating assembly 4 includes a sleeve 5 and a rotating shaft 6. The lower end of the rotating shaft 6 is fixedly connected to the top of the column 2. The rotating shaft 6 is inserted into the hollow inside of the column 2. The upper part of the rotating shaft 6 extends out of the column 2. The cylinder 5 is rotatably connected to the upper part of the rotating shaft 6 extending out of the column 2, the crossbeam 10 is fixedly connected to the outer wall of the sleeve 5, and the rotating assembly 23 includes a motor II 24 and a rotating shaft 25. The motor II 24 is fixedly connected to the end of the crossbeam 10 away from the sleeve 5. The top of the rotating shaft 25 is fixedly connected to the output shaft of the motor II 24 through a coupling, and the bottom end of the rotating shaft 25 is fixedly connected to a graphite agitator. The bottom of the rotating shaft 25 is provided with a trapezoidal thread, and the trapezoidal thread is connected to the graphite agitator.

[0026] The present invention uses the setting of the rotating component 4 to enable the beam 10 and the rotating component 23 to rotate around the base 1, thereby solving the problem of limited working space on the work platform, and the motor II 24 drives the rotating shaft 25 to rotate, and the rotation of the rotating shaft 25 drives the graphite agitator to rotate. Finally, the graphite agitator achieves the stirring of the aluminum liquid, and the graphite agitator can be quickly replaced after burning.

[0027] However, the lifting and lowering of the stirring position of the aluminum liquid cannot be achieved only by the rotary component 4 and the rotating component 23, so the utility model is also provided with a lifting component 11 and a sliding component 18, and the lifting component 11 and the sliding component 18 are connected between the rotating component 23 and the beam 10, and the lifting component 11 includes a support plate 12, a linear guide rail 13, a motor Ⅰ15, a motor support Ⅰ16 and a screw rod 17. The upper part of the support plate 12 is fixedly connected to the end of the beam 10 away from the sleeve 5, and the lower part of the support plate 12 extends out of the beam 10. There are two linear guide rails 13, and the two linear guide rails 13 are arranged along the length direction of the support plate 12. The two linear guide rails 13 are symmetrical, and the motor support Ⅰ16 is fixedly connected to the top of the support plate 12, and the motor Ⅰ15 is fixedly connected to the motor support Ⅰ16. The output shaft of the motor Ⅰ15 passes through the motor support Ⅰ16 and is fixed with the screw rod 17 A coupling is fixedly connected between the output shaft of the motor Ⅰ15 and the screw rod 17. The screw rod 17 is arranged between the two linear guides 13. The sliding assembly 18 includes two sliders 19, a connecting plate 20, a screw rod seat 21 and a motor support Ⅱ22. The two sliders 19 are respectively slidably connected to the two linear guides 13. The connecting plate 20 is fixedly connected to the surfaces of the two sliders 19 facing away from the linear guides 13. The screw rod seat 21 is fixedly connected to the side of the connecting plate 20 facing the support plate 12. A wire hole 2101 is provided in the center of the screw rod seat 21. The wire hole 2101 is connected to the screw rod 17. The motor support Ⅱ22 is fixedly connected to the side of the connecting plate 20 facing away from the screw rod seat 21. The motor Ⅱ24 is fixedly connected to the motor support Ⅱ22. The output shaft of the motor Ⅱ24 passes through the motor support Ⅱ22 and is fixedly connected to the top of the rotating shaft 25 through a coupling.

[0028] The arrangement of the lifting assembly 11 and the sliding assembly 18 enables the overall lifting of the rotating assembly 23, thereby achieving the lifting and lowering of the stirring position of the aluminum liquid.

[0029] The utility model also provides a rotary locking assembly 29, which includes a support seat 30, a locking bolt 31 and a locking nut 32. The support seat 30 is L-shaped with a horizontal plate and a vertical plate. One end of the horizontal plate away from the vertical plate is fixedly connected to the upper part of the outer wall of the column 2. A screw hole 3001 is provided on the vertical plate of the support seat 30. The locking bolt 31 is connected inside the screw hole 3001. The front end of the locking bolt 31 is connected to the outer wall of the sleeve 5. The locking nut 32 is connected to the locking bolt 31, and the locking nut 32 is connected to the vertical plate of the support seat 30.

[0030] The utility model realizes the positioning of the cross beam 10, the lifting assembly 11, the sliding assembly 18 and the rotating assembly 23 with the base 1 by connecting the locking bolt 31 to the outer wall of the sleeve 5. When the cross beam 10, the lifting assembly 11, the sliding assembly 18 and the rotating assembly 23 need to be rotated, it is only necessary to loosen the locking bolt 31. The setting of the locking nut 32 prevents the locking bolt 31 from being accidentally loosened.

[0031] A guide assembly 26 is fixedly connected to the support plate 12, and the guide assembly 26 includes a guide tube 27 and a support column 28. The support column 28 is fixedly connected to the lower part of the support plate 12, and the guide tube 27 is fixedly connected to one end of the support column 28 away from the support plate 12. The lower part of the rotating shaft 25 passes through the guide tube 27, and the lower part of the rotating shaft 25 is rotatably connected in the guide tube 27.

[0032] The provision of the guide assembly 26 ensures the rotation stability of the rotating shaft 25 and prevents the rotating shaft 25 from swinging during rotation.

[0033] The bottom end of the support plate 12 is fixedly connected to a bottom support plate 14 , and a through hole 1401 is provided on the bottom support plate 14 . The lower portion of the rotating shaft 25 passes through the through hole 1401 , and the lower portion of the rotating shaft 25 is rotatably connected in the through hole 1401 .

[0034] The bottom support plate 14 can be made of a heat-resistant plate, generally a heat-resistant ceramic fiberboard and a steel frame, to prevent the transmission device from malfunctioning due to excessive temperature in the aluminum pot, and also to play a certain guiding role.

[0035] The rotating assembly 4 includes a bearing 7 and a top cover 8. There are two bearings 7, which are respectively connected to the upper and lower parts of the sleeve 5. The two bearings 7 are connected between the sleeve 5 and the rotating shaft 6. The two bearings 7 are tapered roller bearings. The two bearings 7 are symmetrically arranged, and the top cover 8 is fixedly connected to the top of the sleeve 5. A sealing groove is provided on the bottom surface of the sleeve 5, and a sealing ring 9 is connected in the sealing groove. The sealing ring 9 is slidably connected to the top surface of the column 2.

[0036] In actual use, a lubricating oil cup can be set on the top cover 8 to facilitate oil injection to lubricate the bearing. The tapered roller bearing can withstand radial force and axial force at the same time to improve the structural stability of the utility model. The sealing ring 9 can effectively prevent dust from entering the interior of the rotating component 4 and extend the service life of the bearing. In actual use, the rotating shaft 6 is welded to the column 2 after rough machining and heat treatment, and then fine machining is performed to ensure that it can rotate flexibly after assembly.

[0037] The coupling between the motor I 15 and the screw rod 17 and the coupling between the motor II 24 and the rotating shaft 25 both use rigid common couplings. In addition to being provided with a connecting key for connecting with the shaft, the coupling may also be provided with a top screw to further prevent the coupling from being separated from the shaft.

[0038] In this embodiment, due to the limitation of the on-site working environment, the voltage used by the motor should be a safe voltage, which is converted from 220V AC to 24V AC through a transformer, and then converted to 24V DC through a rectifier bridge, and then driven by a 24V DC speed regulating motor through a driver. The motor model of motor I15 and motor II24 is YB90B3 / 5-24V1.8-1400, and the DC speed regulating motor is used to realize the rotation of the screw rod, so as to realize the up and down movement and circular rotation stirring of the stirring device. In actual use, a limit device can be set on the lifting assembly 11, such as a limit switch installed on the support plate, so as to limit the up and down movement of the sliding assembly 18.

[0039] The linear guide rail 13 has the characteristics of stable transmission and good guiding performance, and is provided with a self-locking device. It can be directly purchased and used according to the length.

[0040] The specific working process of the utility model is as follows:

[0041] Loosen the locking nut 32 and the locking bolt 31, rotate the rotary assembly 4 to align the graphite stirrer with the aluminum pot, lock the locking nut 32 and the locking bolt 31 after the graphite stirrer is in place, start the motor Ⅰ15, the motor Ⅰ15 drives the screw 17 to rotate, the screw 17 rotates and drives the sliding assembly 18 to slide downward on the linear guide 13, stop the motor Ⅰ15 after the graphite stirrer is in place, start the motor Ⅱ24, the motor Ⅱ24 rotates and drives the rotating shaft 25 to rotate, the rotating shaft 25 rotates and drives the graphite stirrer to rotate so as to stir the aluminum liquid, stop the motor Ⅱ24 after the aluminum liquid is stirred, start the motor Ⅰ15, the motor Ⅰ15 drives the screw 17 to rotate, the screw 17 rotates and drives the sliding assembly 18 to slide upward on the linear guide 13, stop the motor Ⅰ15 after the graphite stirrer is separated from the aluminum pot, loosen the locking nut 32 and the locking bolt 31, rotate the rotary assembly 4 to make the graphite stirrer reach the specified position, and then lock the locking nut 32 and the locking bolt 31, and one-time stirring work is completed.

Claims

1. A device for stirring molten aluminum, characterized in that: The invention comprises a base (1), a slewing assembly (4), a crossbeam (10) and a rotating assembly (23), wherein the base (1) comprises a column (2) and a bottom plate (3), wherein the column (2) is fixedly connected to the bottom plate (3), wherein the interior of the column (2) is hollow, and the slewing assembly (4) comprises a sleeve (5) and a slewing shaft (6), wherein the lower end of the slewing shaft (6) is fixedly connected to the top end of the column (2), the slewing shaft (6) is inserted into the hollow interior of the column (2), and the upper part of the slewing shaft (6) extends out of the column. (2), the sleeve (5) is rotatably connected to the upper part of the rotating shaft (6) extending out of the column (2), the crossbeam (10) is fixedly connected to the outer wall of the sleeve (5), the rotating assembly (23) includes a motor II (24) and a rotating shaft (25), the motor II (24) is fixedly connected to the end of the crossbeam (10) away from the sleeve (5), the top end of the rotating shaft (25) is fixedly connected to the output shaft of the motor II (24) through a coupling, and the bottom end of the rotating shaft (25) is fixedly connected to a graphite stirrer.

2. The aluminum liquid stirring device according to claim 1, characterized in that: A lifting assembly (11) and a sliding assembly (18) are connected between the rotating assembly (23) and the crossbeam (10). The lifting assembly (11) includes a support plate (12), a linear guide rail (13), a motor I (15), a motor support I (16) and a screw rod (17). The upper portion of the support plate (12) is fixedly connected to an end of the crossbeam (10) away from the sleeve (5), and the lower portion of the support plate (12) extends out of the crossbeam (10). Two linear guide rails (13) are provided. The two linear guide rails (13) are both arranged along the length direction of the support plate (12). The two linear guide rails (13) are symmetrical. The motor support I (16) is fixedly connected to the top of the support plate (12). The motor I (15) is fixedly connected to the motor support I (16). The output shaft of the motor I (15) passes through the motor support I (16) and is fixedly connected to the screw rod (17). A coupling is fixedly connected between the output shaft of the motor I (15) and the screw rod (17). The screw rod (17) is arranged between the two linear guide rails (13). The sliding assembly (18) includes two sliders (19), a connecting plate (20), a screw rod seat (21) and a motor support II (22). The two sliders (19) are respectively slidably connected to the two linear guide rails (13). The connecting plate (20) is fixedly connected to the surfaces of the two sliders (19) facing away from the linear guide rails (13). The screw rod seat (21) is fixedly connected to the side of the connecting plate (20) facing the support plate (12). A thread hole (2101) is provided at the center of the screw rod seat (21). The thread hole (2101) is connected to the screw rod (17). The motor support II (22) is fixedly connected to the side of the connecting plate (20) facing away from the screw rod seat (21). The motor II (24) is fixedly connected to the motor support II (22). The output shaft of the motor II (24) passes through the motor support II (22) and is fixedly connected to the top of the rotating shaft (25) through a coupling.

3. The aluminum liquid stirring device according to claim 2, characterized in that: The support plate (12) is fixedly connected to a guide assembly (26), the guide assembly (26) comprising a guide tube (27) and a support column (28), the support column (28) being fixedly connected to the lower portion of the support plate (12), the guide tube (27) being fixedly connected to an end of the support column (28) away from the support plate (12), the lower portion of the rotating shaft (25) passing through the guide tube (27), and the lower portion of the rotating shaft (25) being rotatably connected in the guide tube (27).

4. The aluminum liquid stirring device according to claim 3 is characterized in that: The bottom end of the support plate (12) is fixedly connected to a bottom support plate (14), the bottom support plate (14) is provided with a through hole (1401), the lower portion of the rotating shaft (25) passes through the through hole (1401), and the lower portion of the rotating shaft (25) is rotatably connected in the through hole (1401).

5. The aluminum liquid stirring device according to claim 4, characterized in that: The rotary assembly (4) comprises a bearing (7) and a top cover (8). Two bearings (7) are provided. The two bearings (7) are respectively connected to the upper and lower parts of the sleeve (5). The two bearings (7) are connected between the sleeve (5) and the rotary shaft (6). The two bearings (7) are tapered roller bearings. The two bearings (7) are symmetrically arranged. The top cover (8) is fixedly connected to the top of the sleeve (5).

6. The aluminum liquid stirring device according to claim 5, characterized in that: The bottom surface of the sleeve (5) is provided with a sealing groove, a sealing ring (9) is connected in the sealing groove, and the sealing ring (9) is slidably connected to the top surface of the column (2).

7. An aluminum liquid stirring device according to any one of claims 1 to 6, characterized in that: A rotary locking assembly (29) is connected to the outer wall of the column (2), and the rotary locking assembly (29) includes a support seat (30), a locking bolt (31) and a locking nut (32). The support seat (30) has a horizontal plate and a vertical plate to form an L shape, and the end of the horizontal plate away from the vertical plate is fixedly connected to the upper part of the outer wall of the column (2). The vertical plate of the support seat (30) is provided with a screw hole (3001), and the locking bolt (31) is connected to the inside of the screw hole (3001). The front end of the locking bolt (31) is connected to the outer wall of the sleeve (5), and the locking nut (32) is connected to the locking bolt (31). The locking nut (32) is connected to the locking bolt (31), and the locking nut (32) is connected to the vertical plate of the support seat (30).

8. The aluminum liquid stirring device according to claim 7, characterized in that: The bottom of the rotating shaft (25) is provided with a trapezoidal thread, and the trapezoidal thread is connected to the graphite stirrer.

Images