Tapping device for valve rod nut machining

Abstract

The utility model belongs to the field of tapping devices, particularly relates to a tapping device for machining a valve rod nut, and provides the following scheme aiming at the problem that a large amount of time for fixing the nut is occupied by the existing manner of uniformly fixing and uniformly machining the nut: the tapping device comprises a machine table, and the top of the machine table is fixedly connected with a base; the device comprises a base, a rotating disc is arranged at the top of the base, a plurality of connecting plates are fixedly connected to the outer wall of the rotating disc, a clamping frame is fixedly connected to one end of each connecting plate, two clamping blocks are arranged at the top of the clamping frame, and a valve rod nut can be clamped and fixed through the two clamping blocks; according to the valve rod nut machining device, the overall structural design is reasonable, all the assemblies are tightly matched, the stability in the machining process is guaranteed, the machining efficiency is improved, the valve rod nut machining device meets the machining requirements of valve rod nuts of different specifications and models, and the valve rod nut machining device has high universality and adaptability.

Description

Technical Field

[0001] The utility model relates to the technical field of tapping devices, in particular to a tapping device for processing valve stem nuts. Background Art

[0002] As a key component in mechanical equipment such as valves, the processing precision and surface quality of valve stem nuts directly affect the overall performance and service life of the equipment. With the rapid development of the manufacturing industry, higher requirements are put forward for the processing efficiency and quality of valve stem nuts.

[0003] There are still some deficiencies in the existing tapping devices for processing valve stem nuts during actual use:

[0004] For the existing tapping devices for processing valve stem nuts, it is usually necessary to push and process multiple fixed nuts in sequence by rotating a threaded lead screw, and then fix multiple nuts to be processed after unified processing and process them in sequence. This processing method takes a lot of time for fixing nuts and has relatively low processing efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the defect that the existing method of uniformly fixing and processing nuts takes a lot of time for fixing nuts, and a tapping device for processing valve stem nuts is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A tapping device for processing valve stem nuts includes a machine table, a base is fixedly connected to the top of the machine table, a rotating disk is arranged on the top of the base, a plurality of connecting plates are fixedly connected to the outer wall of the rotating disk, a clamping frame is fixedly connected to one end of the connecting plate, two clamping blocks are arranged on the top of the clamping frame, and the valve stem nut can be clamped and fixed by the two clamping blocks; a rotating component is also included, the rotating component is arranged in the base, and the rotating disk can be indirectly rotated through the rotation cooperation of the rotating component; a clamping component is also included, the clamping component is located in the clamping frame, and the nut can be manually clamped through the clamping cooperation of the clamping component.

[0008] In a possible design, the rotating assembly includes a second rotating shaft rotatably connected to the base, the outer wall fixing sleeve of the second rotating shaft is provided with a disc, the outer wall fixing sleeve of the second rotating shaft is provided with a special-shaped plate, and the special-shaped plate is fixedly connected to the top of the disc, and the top of the disc is fixedly connected to a guide column on the side deviating from the center of the circle, the first rotating shaft is rotatably connected to the base, the top of the first rotating shaft is fixedly connected to the bottom of the rotating disk, the outer wall fixing sleeve of the first rotating shaft is provided with a special-shaped disk, four matching grooves are provided on the special-shaped disk, and the matching grooves and the special-shaped plate are slidably matched, the special-shaped disk is provided with four guide grooves, and the guide column can form a push in the guide grooves in turn, a driving motor is fixedly connected to the base, and the output shaft of the driving motor is fixedly connected to the bottom end of the second rotating shaft.

[0009] In a possible design, the clamping assembly includes a bidirectional screw rod rotatably connected to the clamping frame, and one end of the bidirectional screw rod extends to the outside of the clamping frame, the clamping frame is provided with two movable grooves, a U-shaped frame is slidably connected to the movable groove, and the two U-shaped frames are respectively threadedly sleeved on the positive and negative threaded sections of the movable groove, the top of the clamping frame is provided with four through grooves, the tops of the two U-shaped frames are fixedly connected to two connecting blocks, and the connecting blocks slide in the corresponding through grooves, and the bottom of the clamping block is fixedly connected to the tops of the corresponding two connecting blocks.

[0010] In a possible design, a support column is fixedly connected to the top of the machine, an arc-shaped groove is provided on the top of the support column, and an arc-shaped support plate is fixedly connected to the bottom of the clamping frame, and the arc-shaped support plate slides in the arc-shaped groove, and the clamping frame for processing the valve stem nut can be supported by the support column.

[0011] In a possible design, a processing frame is fixedly connected to the top of the machine platform, and a tapping machine is provided on the top inner wall of the processing frame, and the valve stem nut can be processed by the tapping machine.

[0012] In a possible design, a rotating handle is provided on one side of the clamping frame, and one end of the bidirectional screw is fixedly connected to the rotating handle.

[0013] In this application, the device starts from the base machine table, on which a processing frame is fixed. A tapping machine is installed below the processing frame. The valve stem nut held can be processed by the tapping machine. The valve stem nut is fixed on the clamping frame. The two U-shaped frames can be driven to approach each other by the bidirectional lead screw, and the clamping blocks are driven to clamp the nut. The output shaft of the driving motor in the base drives the second rotating shaft to rotate. The second rotating shaft drives the special-shaped plate and the disc to rotate. The guiding column on the disc drives the special-shaped disc to rotate through the cooperation with the guiding groove, thereby driving the first rotating shaft and the rotating disc to rotate intermittently. With the connection of the connecting plate, one side of the clamping frame can be driven into the lower part of the tapping machine, and the valve stem nut is processed by the tapping machine. The support column can support below the clamping frame. At the same time, the arc-shaped support plate can be further limited in the arc-shaped groove, and during the processing, the nut processed on other clamping frames can be removed and a new nut can be fixed.

[0014] Beneficial effects:

[0015] In the present utility model, for the tapping device for processing valve stem nuts, through the automatic rotating assembly, the simultaneous rotation of multiple nuts to be processed is realized, significantly shortening the processing cycle and improving the production efficiency.

[0016] In the present utility model, for the tapping device for processing valve stem nuts, the clamping assembly adopts a bidirectional lead screw and a positive and negative thread design, ensuring the uniform distribution of the clamping force and the stability of the clamping accuracy, effectively preventing the offset and shaking during the processing, and improving the processing accuracy.

[0017] In the present utility model, the overall structural design is reasonable, and the cooperation between components is tight, which not only ensures the stability during the processing, but also improves the processing efficiency, and also adapts to the processing requirements of valve stem nuts of different specifications and models, with strong versatility and adaptability. Description of the drawings

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a tapping device for processing valve stem nuts proposed by the present utility model;

[0019] Figure 2 It is a sectional exploded structural schematic diagram of the clamping frame of a tapping device for processing valve stem nuts proposed by the present utility model;

[0020] Figure 3 It is an exploded structural schematic diagram of the support column of a tapping device for processing valve stem nuts proposed by the present utility model;

[0021] Figure 4 It is a sectional exploded structural schematic diagram of the bidirectional lead screw of a tapping device for processing valve stem nuts proposed by the present utility model.

[0022] In the figure: 1. Machine platform; 2. Processing frame; 3. Tapping machine; 4. Base; 5. Connecting plate; 6. Rotating disk; 7. Clamping frame; 8. Support column; 9. Bidirectional lead screw; 10. Through groove; 11. U-shaped frame; 12. Connecting block; 13. Clamping block; 14. Moving groove; 15. Arc-shaped support plate; 16. Arc-shaped groove; 17. First rotating shaft; 18. Special-shaped disk; 19. Guide groove; 20. Matching groove; 21. Guide post; 22. Second rotating shaft; 23. Special-shaped plate; 24. Disk. Detailed implementation manner

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0024] Embodiment 1

[0025] Refer to Figures 1 to 2 , a tapping device for processing valve stem nuts, which is used in the field of valve stem nut processing, including: a machine platform 1, a base 4 is fixedly connected to the top of the machine platform 1, a rotating disk 6 is provided on the top of the base 4, and a plurality of connecting plates 5 are fixedly connected to the outer wall of the rotating disk 6. One end of the connecting plate 5 is fixedly connected with a clamping frame 7, and two clamping blocks 13 are provided on the top of the clamping frame 7. The valve stem nut can be clamped and fixed by the two clamping blocks 13; it also includes a rotating component, which is arranged in the base 4, and the rotating disk 6 can be indirectly rotated through the rotation cooperation of the rotating component; it also includes a clamping component, which is located in the clamping frame 7, and the nut can be manually clamped through the clamping cooperation of the clamping component. The machine platform 1 is fixedly placed in the working area to ensure that the machine platform is stable and does not shake. On the top of the machine platform 1, the base 4 is fixedly installed by bolts. At the center position of the top of the base 4, the rotating disk 6 is installed to ensure that it can rotate smoothly. A plurality of connecting plates 5 are evenly distributed and fixedly connected to the outer wall of the rotating disk 6, and one end of each connecting plate 5 is fixedly connected with a clamping frame 7.

[0026] Refer to Figure 4The rotating assembly includes a second rotating shaft 22 rotatably connected to the base 4, the outer wall fixed sleeve of the second rotating shaft 22 is provided with a disc 24, the outer wall fixed sleeve of the second rotating shaft 22 is provided with a special-shaped plate 23, and the special-shaped plate 23 is fixedly connected to the top of the disc 24, and the top of the disc 24 is fixedly connected to the side of the center of the circle. The first rotating shaft 17 is rotatably connected to the base 4, the top of the first rotating shaft 17 is fixedly connected to the bottom of the rotating disk 6, the outer wall fixed sleeve of the first rotating shaft 17 is provided with a special-shaped disk 18, and the special-shaped disk 18 is provided with four matching grooves 20, and the matching grooves 20 and the special-shaped plate 23 are slidably matched, four guide grooves 19 are provided in the special-shaped disk 18, and the guide column 21 can form a push in the guide groove 19 in turn, a driving motor is fixedly connected in the base 4, and the output shaft of the driving motor is fixedly connected to the bottom end of the second rotating shaft 22, and the second rotating shaft 22 is driven to rotate by the output shaft of the driving motor, and the rotation of the second rotating shaft 22 drives the special-shaped plate 23 and the disk 24 to rotate synchronously, and the guide column 21 is fixedly connected to the side of the top of the disk 24 that deviates from the center of the circle, and as the guide column 21 pushes in the guide groove 19, the special-shaped disk 18 is indirectly rotated, and the rotating disk 6 is rotated synchronously at the same time.

[0027] Reference Figure 2 The clamping assembly includes a bidirectional screw rod 9 rotatably connected to the clamping frame 7, and one end of the bidirectional screw rod 9 extends to the outside of the clamping frame 7. Two moving grooves 14 are provided in the clamping frame 7, and a U-shaped frame 11 is slidably connected in the moving groove 14, and the two U-shaped frames 11 are respectively threadedly sleeved on the positive and negative threaded sections of the moving groove 14. Four through grooves 10 are provided at the top of the clamping frame 7, and the tops of the two U-shaped frames 11 are fixedly connected to two connecting blocks 12, and the connecting blocks 12 slide in the corresponding through grooves 10. The bottom of the clamping block 13 is fixedly connected to the tops of the corresponding two connecting blocks 12. In each clamping frame 7, a bidirectional screw rod 9 is installed, and one end thereof is ensured to extend to the outside of the clamping frame 7 for easy operation. Two moving grooves 14 are provided in the clamping frame 7, and the U-shaped frames 11 are slidably connected in the moving groove 14 to ensure that they are respectively threadedly sleeved on the positive and negative threaded sections of the moving groove 14. The bottom of the clamping block 13 and the U-shaped frame 11 are fixedly connected by the corresponding two connecting blocks 12.

[0028] Reference Figure 1 and Figure 3 A support column 8 is fixedly connected to the top of the machine 1, and an arc-shaped groove 16 is provided on the top of the support column 8. An arc-shaped support plate 15 is fixedly connected to the bottom of the clamping frame 7, and the arc-shaped support plate 15 slides in the arc-shaped groove 16. The support column 8 can be used to support the clamping frame 7 for processing the valve stem nut. The support column 8 supports the clamping frame 7. At the same time, the arc-shaped support plate 15 can move in the arc-shaped groove 16, and the clamping frame 7 can be limited during the processing.

[0029] Reference Figure 1, a processing frame 2 is fixedly connected to the top of the machine table 1, and a tapping machine 3 is provided on the inner wall of the top of the processing frame 2. The valve stem nut can be processed by the tapping machine 3. By fixedly installing the processing frame 2 on the top of the machine table 1 and installing the tapping machine 3 on the inner wall of its top, tapping processing can be carried out.

[0030] Embodiment 2

[0031] Reference Figure 2 , on the basis of Embodiment 1, an improvement is made: a rotating handle is provided on one side of the clamping frame 7, and one end of the bidirectional lead screw 9 is fixedly connected to the rotating handle. The rotating handle is fixedly connected to one end of the bidirectional lead screw 9 to facilitate the manual operation of the clamping assembly.

[0032] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A tapping device for machining a valve stem nut, characterized in that: include: A machine platform (1), wherein the top of the machine platform (1) is fixedly connected to a base (4), the top of the base (4) is provided with a rotating disk (6), the outer wall of the rotating disk (6) is fixedly connected to a plurality of connecting plates (5), one end of the connecting plate (5) is fixedly connected to a clamping frame (7), the top of the clamping frame (7) is provided with two clamping blocks (13), and the valve stem nut can be clamped and fixed by the two clamping blocks (13); It also includes a rotating assembly, which is arranged in the base (4) and can drive the rotating disk (6) to rotate indirectly through the rotating assembly; It also comprises a clamping assembly, which is located in a clamping frame (7), and the nut can be manually clamped through the clamping cooperation of the clamping assembly.

2. A tapping device for machining a valve stem nut according to claim 1, characterized in that: The rotating assembly comprises a second rotating shaft (22) rotatably connected in the base (4); a disk (24) is fixedly sleeved on the outer wall of the second rotating shaft (22); a special-shaped plate (23) is fixedly sleeved on the outer wall of the second rotating shaft (22); and the special-shaped plate (23) is fixedly connected to the top of the disk (24); a guide column (21) is fixedly connected to the side of the top of the disk (24) deviating from the center of the circle; a first rotating shaft (17) is rotatably connected in the base (4); and the top of the first rotating shaft (17) is connected to the rotating shaft. The bottom of the moving plate (6) is fixedly connected, the outer wall of the first rotating shaft (17) is fixedly sleeved with a special-shaped plate (18), the special-shaped plate (18) is provided with four matching grooves (20), and the matching grooves (20) and the special-shaped plate (23) are slidably matched, the special-shaped plate (18) is provided with four guide grooves (19), and the guide columns (21) can be pushed in the guide grooves (19) in turn, and a driving motor is fixedly connected in the base (4), and the output shaft of the driving motor is fixedly connected to the bottom end of the second rotating shaft (22).

3. A tapping device for machining a valve stem nut according to claim 1, characterized in that: The clamping assembly comprises a bidirectional screw rod (9) rotatably connected in the clamping frame (7), and one end of the bidirectional screw rod (9) extends to the outside of the clamping frame (7); the clamping frame (7) is provided with two movable grooves (14), and a U-shaped frame (11) is slidably connected in the movable groove (14), and the two U-shaped frames (11) are respectively threadedly sleeved on the positive and negative threaded sections of the movable groove (14); the top of the clamping frame (7) is provided with four through grooves (10), and the tops of the two U-shaped frames (11) are fixedly connected with two connecting blocks (12), and the connecting blocks (12) slide in the corresponding through grooves (10), and the bottom of the clamping block (13) is fixedly connected to the tops of the corresponding two connecting blocks (12).

4. A tapping device for machining a valve stem nut according to claim 1, characterized in that: The top of the machine platform (1) is fixedly connected to a support column (8), the top of the support column (8) is provided with an arc-shaped groove (16), the bottom of the clamping frame (7) is fixedly connected to an arc-shaped support plate (15), and the arc-shaped support plate (15) slides in the arc-shaped groove (16), and the clamping frame (7) for processing the valve stem nut can be supported by the support column (8).

5. A tapping device for machining a valve stem nut according to claim 1, characterized in that: A processing frame (2) is fixedly connected to the top of the machine platform (1), and a tapping machine (3) is provided on the inner wall of the top of the processing frame (2). The valve stem nut can be processed by the tapping machine (3).

6. A tapping device for machining a valve stem nut according to claim 1, characterized in that: A rotating handle is provided on one side of the clamping frame (7), and one end of the bidirectional screw rod (9) is fixedly connected to the rotating handle.

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