Casting furnace turnover device for stainless steel valve casting

By designing a casting furnace flip device with a servo motor and a gearbox, the problems of limited flip angle and difficult to completely pour out of molten metal in the prior art are solved, and the automatic flip and safety and efficiency of the casting furnace are improved.

CN222830712UActive Publication Date: 2025-05-06ZHEJIANG HONGLI VALVE CO LTD
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Patent Information

Application Number
CN202421766438.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-05-06
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

The flip angle of the existing casting casting furnace flip device is limited, which makes it difficult to completely pour out the molten metal, and later cleaning consumes manpower and time.

Method used

A casting furnace flip device including a base, a casting furnace, a servo motor, a gearbox and a connecting column is designed. The connecting column is driven to rotate through a servo motor, which drives the casting furnace to automatically flip and molten metal is poured out through the flow guide.

Benefits of technology

It realizes automatic flip of the casting furnace, saves manpower, improves safety, reduces accident damage, and has high flexibility, eliminating the limitation of flip angle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a casting furnace turnover device for stainless steel valve casting, which comprises a base and a casting furnace, the top of the base is fixedly connected with a first stand column, the top of the base is fixedly connected with a second stand column, the inner side of the first stand column is provided with a first bearing piece, and the inner side of the second stand column is provided with a second bearing piece. A connecting column is fixedly connected to the side surface of the casting furnace, a mounting frame is arranged on the side edge of the second stand column, a servo motor is mounted on the top of the mounting frame, a reduction gearbox is mounted on the top of the mounting frame, a first rotating shaft is arranged at the output end of the servo motor, and a second rotating shaft is arranged at the output end of the reduction gearbox. The side edge of the connecting column is fixedly connected with a connecting block, the side edge of the connecting block is provided with a hexagonal groove, the side edge of the second rotating shaft is fixedly connected with a hexagonal prism, the hexagonal prism is inserted into the hexagonal groove, and the front side of the casting furnace is provided with a flow guide pipe. The casting furnace is automatically overturned, manpower is saved, safety is improved, accident injuries are reduced, flexibility is high, and overturning angle limitation is eliminated.
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Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel valve casting, in particular to a casting furnace turning device for stainless steel valve casting. Background Art

[0002] Casting is the process of melting metal into liquid and pouring it into a mold, and then cooling, solidifying and cleaning it to obtain a casting with a predetermined shape, size and performance. The casting of the valve body is an important part of the valve manufacturing process. The quality of the valve casting determines the quality of the valve. The commonly used processes in the valve industry are sand casting and solution casting. The utility model patent with application number: CN202321320312.1 discloses an automatic flipping device for a casting furnace, including a bottom plate and a casting furnace, the surface of the casting furnace is fixedly connected with a guide pipe, the upper surface of the bottom plate is fixedly connected to two symmetrically arranged support plates, the surfaces of the two support plates are fixedly connected to fixed columns, and also includes two symmetrically arranged connecting rings, the two fixed columns are respectively connected to the surface of the casting furnace through two connecting rings and are rotatably connected to the same axis, and a flipping component for flipping the casting furnace is arranged above the bottom plate; the flipping component includes a rectangular frame fixedly connected to the upper surface of the bottom plate, a rectangular notch is opened on the surface of the rectangular frame, a motor 1 is arranged on the upper surface of the rectangular frame, the output shaft of the motor 1 is fixedly connected to a threaded rod 1, and the surface of the threaded rod 1 is threadedly connected to a moving block; the flipping component also includes two symmetrically arranged fixedly connected to the side of the casting furnace The surface of the articulated block 1 is fixedly connected with two symmetrically arranged articulated blocks 2, and an articulated rod is commonly articulated between the articulated block 1 and the articulated block 2; a fixed plate is commonly arranged between the two support plates, and a fixed block is fixedly connected to the upper surface of the fixed plate, and a fixed disk is arranged on the lower surface of the casting furnace, and a slot for the fixed block to be inserted and adapted is provided on the lower surface of the fixed disk; a motor 2 is arranged on the upper surface of one support plate, and the output shaft of the motor 2 is fixedly connected with a threaded rod 2, which penetrates the fixed plate and is threadedly connected thereto, and there are two threaded rods 2, and they are respectively connected to the inner walls of the two support plates by fixed axis rotation, and a pulley transmission mechanism is commonly arranged between the two threaded rods 2, and a baffle is connected to the surface of the threaded rod 2 by fixed axis rotation, and the baffle is fixedly connected to the inner wall of the support plate; two stabilizing blocks are symmetrically arranged on the side of the support plate to enhance the stability of the support plate. However, the articulated block 1 is on the side of the casting furnace, and the casting furnace can be turned over at a limited angle, and the molten metal is easily deposited at the bottom of the casting furnace, and the molten metal is difficult to be completely poured out, and it takes manpower and time to clean it up again later. Utility Model Content

[0003] The utility model aims to solve the problems existing in the above-mentioned prior art and provides a casting furnace flipping device for stainless steel valve casting, which can automatically flip the casting furnace to save manpower, improve safety and reduce accident injuries, and has high flexibility to eliminate flipping angle restrictions.

[0004] The utility model adopts a technical solution to solve its technical problems: the casting furnace flipping device for stainless steel valve casting comprises a base and a casting furnace, the top of the base is fixedly connected with a first column, the top of the base is fixedly connected with a second column, the casting furnace is installed between the first column and the second column, a first bearing member is arranged on the inner side of the first column, a second bearing member is arranged on the inner side of the second column, a connecting column is fixedly connected with the side surface of the casting furnace, there are two connecting columns, the two connecting columns are respectively connected with the inner rings of the first bearing member and the second bearing member, a mounting frame is arranged on the side of the second column, the mounting frame is connected to the base, a servo motor is installed on the top of the mounting frame, a reduction box is installed on the top of the mounting frame, a first rotating shaft is arranged on the output end of the servo motor, the first rotating shaft is connected to the inside of the reduction box, a second rotating shaft is arranged on the output end of the reduction box, a first through hole is opened on the side of the second column, The connecting column passes through the first through hole, and a connecting block is fixedly connected to the side of the connecting column. A hexagonal groove is opened on the side of the connecting block. A hexagonal column is fixedly connected to the side of the second rotating shaft, and the hexagonal column is inserted into the hexagonal groove. A guide pipe is arranged on the front side of the casting furnace. The casting furnace is filled with molten metal. The servo motor is turned on to run, and the first rotating shaft at the output end of the servo motor rotates and acts on the inside of the reduction box. At the same time, the second rotating shaft at the output end of the reduction box rotates, and the second rotating shaft drives the connecting column to rotate. At the same time, the inner rings of the first bearing member and the second bearing member rotate with the connecting column, and the connecting column drives the casting furnace to flip forward. The molten metal is poured out through the guide pipe, and the molten metal reaches the corresponding mold and completes the casting operation. Then the servo motor is turned on to run in the opposite direction until the casting furnace returns to its position. The casting furnace automatically flips to save manpower, improve safety and reduce accident injuries, and has high flexibility to eliminate the flipping angle limit.

[0005] For further improvement, the first column, the second column and the mounting frame are perpendicular to the top of the base, the two connecting columns are parallel to the top of the base, the first column, the second column and the mounting frame are vertically arranged to provide maximum support, and the two connecting columns are kept horizontal to prevent the casting furnace from tilting left and right.

[0006] For further improvement, the guide pipe is located in the center of the front side of the casting furnace, and the distances from the casting furnace to the two connecting columns are equal, which ensures that the molten metal reaches the guide pipe as soon as possible and improves the stability of the casting process.

[0007] For further improvement, a reinforcing block is provided at the bottom of the first column, rounded corners are provided on the sides of the base, and rounded corners are also provided on the tops of the first column and the second column. The reinforcing block improves the strength of the first column, and the setting of the rounded corners reduces the sharp right angles of the device.

[0008] To further improve, an electric push rod is installed inside the mounting frame, a second through hole is opened on the side of the second column, the piston rod of the electric push rod passes through the second through hole to reach the side of the casting furnace, a protrusion is fixedly connected to the side of the casting furnace, a groove is opened on the side of the protrusion, the piston rod is inserted into the groove, and the piston rod of the electric push rod is inside the groove, so that the casting furnace is effectively fixed and locked to prevent the casting furnace from rotating and shaking under force, further improving safety, simple operation and effective protection.

[0009] For further improvement, a linear bearing is provided on the inner side of the second column, and the piston rod passes through the inside of the linear bearing. The piston rod and the linear bearing interact with each other to avoid direct friction between the piston rod and the inside of the second through hole, thereby reducing mutual influence and improving the accuracy of the piston rod's advancement.

[0010] To further improve, a wheel frame is provided at the bottom of the base, and movable wheels are installed inside the wheel frame. There are multiple wheel frames and movable wheels. A handrail is fixedly connected to the side of the first column. There are two handrails. The two handrails provide effective force, which is convenient for operators to pull or push the entire device. The entire device is moved using multiple movable wheels, which saves time and manpower and improves efficiency.

[0011] To be further improved, a third through hole is provided on the side of the wheel frame, a fourth through hole is provided inside the moving wheel, the multiple wheel frames and the moving wheels are divided into two rows, a fixing rod is inserted into the third through hole, the fixing rod and the fourth through hole are inserted into each other, a handle is fixedly connected to the side of the fixing rod, a thread is provided on the side surface of the fixing rod, a fixing nut is threadedly connected to the side surface of the fixing rod, the fixing rod passes through the two wheel frames and the two moving wheels at the same time, the fixing rod is threadedly connected to the fixing nut by means of the thread, the two wheel frames and the two moving wheels are fixed and locked, and the device as a whole is fixed and locked, which is convenient for the device to perform casting operations and avoid position movement.

[0012] The beneficial effects of the utility model are:

[0013] 1. The molten metal is filled in the casting furnace, and the servo motor is turned on. The first shaft at the output end of the servo motor rotates and acts on the inside of the reduction box. At the same time, the second shaft at the output end of the reduction box rotates, and the second shaft drives the connecting column to rotate. At the same time, the inner rings of the first bearing member and the second bearing member rotate along with the connecting column. The connecting column drives the casting furnace to flip forward, and the molten metal is poured out through the guide pipe. The molten metal reaches the corresponding mold and completes the casting operation. Then the servo motor is turned on in the opposite direction until the casting furnace returns to its position. The casting furnace automatically flips to save manpower, improve safety and reduce accident injuries. The high flexibility eliminates the limit of the flipping angle.

[0014] 2. The piston rod of the electric push rod is effectively fixed and locked inside the groove to prevent the casting furnace from rotating and shaking due to force, further improving safety, simple operation and effective protection. The piston rod interacts with the linear bearing to avoid direct friction between the piston rod and the inside of the second through hole, reducing mutual influence and improving the accuracy of the piston rod's advancement.

[0015] 3. Two handrails provide effective force, which is convenient for operators to pull or push the entire device. The entire device is moved using multiple moving wheels, which saves time and manpower and improves efficiency. The fixed rod passes through the two wheel frames and the two moving wheels at the same time. The fixed rod is threadedly connected to the fixing nut with the help of threads. The two wheel frames and the two moving wheels are fixed and locked, and the entire device is fixed and locked at the same time, which is convenient for the device to perform casting operations and avoid position movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 For the utility model Figure 1 Enlarged view of point B in the middle;

[0019] Figure 4 For the utility model Figure 1 Enlarged view of point C in the middle;

[0020] Figure 5 It is a front view of the structure of the utility model;

[0021] Figure 6 For the utility model Figure 5 Enlarged view of point D in the middle;

[0022] Figure 7 It is a right side view of the structure of the utility model;

[0023] Figure 8 For the utility model Figure 7 Enlarged view of point E in the middle;

[0024] Fig. 9 This is a display diagram of the fixed rod activity of the utility model.

[0025] Explanation of the reference numerals: 1. base; 2. casting furnace; 3. first column; 4. second column; 5. first bearing member; 6. second bearing member; 7. connecting column; 8. mounting frame; 9. servo motor; 10. reduction gearbox; 11. first rotating shaft; 12. second rotating shaft; 13. first through hole; 14. connecting block; 15. hexagonal groove; 16. hexagonal column; 17. guide tube; 18. electric push rod; 19. second through hole; 20. protrusion; 21. groove; 22. linear bearing; 23. wheel frame; 24. moving wheel; 25. handrail; 26. third through hole; 27. fourth through hole; 28. fixing rod; 29. ​​handle; 30. thread; 31. fixing nut. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-9 This embodiment is further described:

[0027] like Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown: In this embodiment, a casting furnace flipping device for casting a stainless steel valve comprises a base 1 and a casting furnace 2. A first column 3 is fixedly connected to the top of the base 1, a second column 4 is fixedly connected to the top of the base 1, the casting furnace 2 is installed between the first column 3 and the second column 4, a first bearing member 5 is arranged on the inner side of the first column 3, a second bearing member 6 is arranged on the inner side of the second column 4, a connecting column 7 is fixedly connected to the side surface of the casting furnace 2, there are two connecting columns 7, the two connecting columns 7 are respectively connected to the inner rings of the first bearing member 5 and the second bearing member 6, a mounting frame 8 is arranged on the side of the second column 4, the mounting frame 8 is connected to the base 1, a servo motor 9 is installed on the top of the mounting frame 8, a reduction box 10 is installed on the top of the mounting frame 8, a first rotating shaft 11 is arranged at the output end of the servo motor 9, and the first rotating shaft 11 is connected to the reduction box 10. Inside the speed reducer 10, a second rotating shaft 12 is provided at the output end of the speed reducer 10, a first through hole 13 is provided on the side of the second column 4, the connecting column 7 passes through the first through hole 13, a connecting block 14 is fixedly connected to the side of the connecting column 7, a hexagonal groove 15 is provided on the side of the connecting block 14, a hexagonal column 16 is fixedly connected to the side of the second rotating shaft 12, the hexagonal column 16 is inserted into the hexagonal groove 15, a guide tube 17 is provided on the front side of the casting furnace 2, the first column 3, the second column 4 and the mounting frame 8 are perpendicular to the top of the base 1, the two connecting columns 7 are parallel to the top of the base 1, the guide tube 17 is centered on the front side of the casting furnace 2, and the casting furnace 2 is equidistant from the two connecting columns 7, a reinforcing block is provided at the bottom of the first column 3, a rounded corner is provided on the side of the base 1, and a rounded corner is also provided on the top of the first column 3 and the second column 4.

[0028] like Figure 1 , Figure 3 , Figure 5 and Figure 7As shown: an electric push rod 18 is installed inside the mounting frame 8, a second through hole 19 is opened on the side of the second column 4, the piston rod of the electric push rod 18 passes through the second through hole 19 to reach the side of the casting furnace 2, a protrusion 20 is fixedly connected to the side of the casting furnace 2, a groove 21 is opened on the side of the protrusion 20, the piston rod is inserted into the groove 21, a linear bearing 22 is arranged on the inner side of the second column 4, and the piston rod passes through the linear bearing 22.

[0029] like Figure 1 , Figure 4 , Figure 5 , Figure 7 , Figure 8 and Fig. 9 As shown: a wheel frame 23 is provided at the bottom of the base 1, and a moving wheel 24 is installed inside the wheel frame 23. There are multiple wheel frames 23 and moving wheels 24. An armrest 25 is fixedly connected to the side of the first column 3. There are two armrests 25. A third through hole 26 is opened on the side of the wheel frame 23, and a fourth through hole 27 is opened inside the moving wheel 24. The multiple wheel frames 23 and moving wheels 24 are divided into two rows. A fixing rod 28 is inserted into the third through hole 26, and the fixing rod 28 and the fourth through hole 27 are inserted into each other. A handle 29 is fixedly connected to the side of the fixing rod 28, and a thread 30 is provided on the side surface of the fixing rod 28. A fixing nut 31 is threadedly connected to the side surface of the fixing rod 28.

[0030] When the utility model is in use: the casting furnace 2 is filled with molten metal, the servo motor 9 is turned on to run, the first rotating shaft 11 at the output end of the servo motor 9 rotates and acts on the inside of the reduction box 10, and at the same time the second rotating shaft 12 at the output end of the reduction box 10 rotates, the second rotating shaft 12 drives the connecting column 7 to rotate, and at the same time the inner rings of the first bearing member 5 and the second bearing member 6 rotate following the connecting column 7, the connecting column 7 drives the casting furnace 2 to flip forward, the molten metal is poured out through the guide tube 17, the molten metal reaches the corresponding mold and completes the casting operation, then the servo motor 9 is turned on to run in the opposite direction until the casting furnace 2 returns to its position, the casting furnace 2 automatically flips over to save manpower, improve safety and reduce accident injuries, and has high flexibility to eliminate the flipping angle limit, the electric push rod 18 is turned on to extend and run, and the piston rod of the electric push rod 18 is in the second through hole 19 and The linear bearing 22 moves in the direction of the casting furnace 2, and the piston rod of the electric push rod 18 is inserted into the groove 21, so that the casting furnace 2 is effectively fixed and locked to prevent the casting furnace 2 from rotating and shaking under force. The fixing rod 28 is pulled out from the side of the wheel frame 23, and the operator holds the handrail 25 to pull or push the device as a whole. The device as a whole uses multiple moving wheels 24 to move a short distance. After the position of the device as a whole is adjusted, the fixing rod 28 passes through the two wheel frames 23 and the two moving wheels 24 at the same time. The fixing rod 28 is threadedly connected with the fixing nut 31 by means of the thread 30. The two wheel frames 23 and the two moving wheels 24 are fixed and locked, and the device as a whole is fixed and locked again, and the electric push rod 18 is turned on for retraction operation. The piston rod of the electric push rod 18 is disengaged from the inside of the groove 21, and the casting furnace 2 is released from the restriction to continue the casting operation.

[0031] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A casting furnace turning device for stainless steel valve casting, comprising a base (1) and a casting furnace (2), characterized in that: The top of the base (1) is fixedly connected to a first column (3), the top of the base (1) is fixedly connected to a second column (4), the casting furnace (2) is installed between the first column (3) and the second column (4), the inner side of the first column (3) is provided with a first bearing member (5), the inner side of the second column (4) is provided with a second bearing member (6), the side surface of the casting furnace (2) is fixedly connected to a connecting column (7), there are two connecting columns (7), the two connecting columns (7) are respectively connected to the inner rings of the first bearing member (5) and the second bearing member (6), a mounting frame (8) is provided on the side of the second column (4), the mounting frame (8) is connected to the base (1), and a servo motor (9) is installed on the top of the mounting frame (8). ), a reduction box (10) is installed on the top of the mounting frame (8), a first rotating shaft (11) is arranged at the output end of the servo motor (9), the first rotating shaft (11) is connected to the inside of the reduction box (10), a second rotating shaft (12) is arranged at the output end of the reduction box (10), a first through hole (13) is opened on the side of the second column (4), a connecting column (7) passes through the inside of the first through hole (13), a connecting block (14) is fixedly connected to the side of the connecting column (7), a hexagonal groove (15) is opened on the side of the connecting block (14), a hexagonal column (16) is fixedly connected to the side of the second rotating shaft (12), the hexagonal column (16) is inserted into the inside of the hexagonal groove (15), and a guide pipe (17) is arranged on the front side of the casting furnace (2).

2. The stainless steel valve casting furnace turning device according to claim 1 is characterized in that: The first column (3), the second column (4) and the mounting frame (8) are perpendicular to the top of the base (1), and the two connecting columns (7) are parallel to the top of the base (1).

3. The stainless steel valve casting furnace turning device according to claim 1 is characterized in that: The guide pipe (17) is located in the center of the front side of the casting furnace (2), and the distances from the casting furnace (2) to the two connecting columns (7) are equal.

4. The stainless steel valve casting furnace turning device according to claim 1 is characterized in that: A reinforcing block is arranged at the bottom of the first column (3), rounded corners are arranged on the sides of the base (1), and rounded corners are also arranged on the tops of the first column (3) and the second column (4).

5. The stainless steel valve casting furnace turning device according to claim 1 is characterized in that: An electric push rod (18) is installed inside the mounting frame (8), a second through hole (19) is provided on the side of the second column (4), a piston rod of the electric push rod (18) passes through the second through hole (19) to reach the side of the casting furnace (2), a convex block (20) is fixedly connected to the side of the casting furnace (2), a groove (21) is provided on the side of the convex block (20), and the piston rod is inserted into the groove (21).

6. A stainless steel valve casting furnace turning device according to claim 5, characterized in that: A linear bearing (22) is arranged on the inner side of the second column (4), and the piston rod passes through the inside of the linear bearing (22).

7. The stainless steel valve casting furnace turning device according to claim 1 is characterized in that: A wheel frame (23) is arranged at the bottom of the base (1), and a moving wheel (24) is installed inside the wheel frame (23). There are multiple wheel frames (23) and moving wheels (24). A handrail (25) is fixedly connected to the side of the first column (3), and there are two handrails (25).

8. The stainless steel valve casting furnace turning device according to claim 7 is characterized in that: The wheel frame (23) is provided with a third through hole (26) on the side, and a fourth through hole (27) is provided inside the moving wheel (24). The plurality of wheel frames (23) and the moving wheels (24) are divided into two rows. A fixing rod (28) is inserted inside the third through hole (26). The fixing rod (28) and the fourth through hole (27) are mutually inserted. A handle (29) is fixedly connected to the side of the fixing rod (28). A thread (30) is provided on the side surface of the fixing rod (28). A fixing nut (31) is threadedly connected to the side surface of the fixing rod (28).

Citation Information

Patent Citations

  • Automatic overturning equipment for casting furnace

    CN219924548U