A rotary table for valve assembly

Abstract

The utility model discloses a rotary workbench is used to valve assembly, including the assembly station, is equipped with the assembly groove on the assembly station, is provided with the opposite moving mechanism in the assembly groove, is provided with the stand on the moving part of opposite moving mechanism, is provided with the vertical lifting mechanism in the stand, the mobile end of vertical lifting mechanism is provided with the fixing frame, the utility model relates to valve assembly technical field, through the forklift, the valve body of the valve to be assembled is transferred to the placement table above the U type support, after installing and fixing the lower end cover, starts opposite moving mechanism, controls the plug -in fixed assembly component of both sides to be close to the valve body, the limit fixed to valve body, then starts vertical lifting mechanism and will the valve body lift a certain height, and the valve body is turned over 180, then makes the valve body upper end face to be located on the upper portion of operation area, and the valve body is put back to the placement table again to the valve body upper end cover and actuating mechanism and can be assembled, compact structure, high degree of automation.

Description

Technical Field

[0001] This utility model relates to the field of valve assembly technology, specifically a rotary worktable for valve assembly. Background Technology

[0002] Industrial valves are devices used in industrial pipeline systems to control the flow of various fluids, including air, water, steam, corrosive media, slurry, oil, liquid metals, and radioactive media. Some existing industrial valves employ a dual-end-cap design, with the end caps forming a sealed chamber with the valve body to prevent media leakage and the intrusion of external impurities. The upper end cap is used to install the actuator, providing an interface for pneumatic / electric actuators that drive the valve disc via the valve stem. The lower end cap facilitates disassembly and maintenance of core components such as the valve disc and seat, making it particularly suitable for industrial applications requiring frequent maintenance. This dual-end-cap design satisfies high-pressure sealing requirements and enables modular maintenance, becoming a typical structural solution in industrial valves, such as the T40H rotary control valve. However, this design presents challenges for assembly. Installing the end caps requires flipping the valve body upside down to assemble the upper and lower end caps separately. This is especially problematic for larger industrial valves, requiring lifting equipment and making the operation complex and posing certain safety hazards. Therefore, this paper addresses these issues through in-depth research. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a rotary worktable for valve assembly, which solves the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a rotary workbench for valve assembly, comprising an assembly table, an assembly slot provided on the assembly table, a countermoving mechanism provided within the assembly slot, a support frame provided on the moving part of the countermoving mechanism, a vertical lifting mechanism provided within the support frame, a fixed frame provided at the moving end of the vertical lifting mechanism, a rotation control component provided within the fixed frame, a rotating platform installed at the output end of the rotation control component, a plug-in fixing component assembled and connected to the rotating platform, a protective baffle provided above the assembly slot, a U-shaped bracket provided above the protective baffle, and a placement platform provided on the U-shaped bracket.

[0005] The aforementioned opposing moving mechanism includes a pull screw disposed in the assembly slot. Both ends of the pull screw are rotatably connected to the assembly slot. One end of the pull screw is connected to the drive end of the servo reducer. Guide support components are symmetrically arranged on both sides of the pull screw. A moving seat is provided on the moving end of the guide support component. The moving seat is threadedly engaged with the pull screw through a screw nut.

[0006] The aforementioned guide support assembly includes a guide rail and a slider. The guide rail is symmetrically arranged on both sides of the transmission screw, and the slider is slidably mounted on the guide rail and fixedly connected to the movable seat.

[0007] The aforementioned vertical lifting mechanism includes a lead screw module installed in the frame, with guide columns symmetrically arranged on both sides of the lead screw module, and a lifting platform installed on the moving end of the lead screw module, with the two sides of the lifting platform slidingly engaged with the guide columns respectively.

[0008] The aforementioned rotation control assembly includes a servo motor housed within a fixed frame. The drive end of the servo motor is connected to a reducer, and the output end of the reducer is connected to a fixed shaft between the rotary table and the rotary table. A rotation support component is provided between the rotary table and the fixed frame.

[0009] The aforementioned rotating support component includes an annular slide rail disposed on the side wall of the fixed frame. The annular slide rail is coaxially arranged with the fixed shaft. Several arc-shaped sliders are mounted on the annular slide rail in an annular array. The arc-shaped sliders are fixedly connected to the rotating table.

[0010] The aforementioned plug-in fixing assembly includes a flange, which is assembled and connected to the rotating table by internal hexagonal mounting bolts. Several locating pins are welded along the annular array on the flange, and the locating pins match the flange holes on the valve body to be assembled. Beneficial effects

[0011] This utility model provides a rotary workbench for valve assembly. It offers the following advantages: The rotary workbench integrates a counter-moving mechanism on the assembly platform. The moving part of the counter-moving mechanism is equipped with a vertical lifting mechanism and a rotation control component. A forklift transports the valve body to be assembled to the placement platform above the U-shaped bracket. After the lower end cap is installed and fixed, the counter-moving mechanism is activated, controlling the two side insertion fixing components to move closer to the valve body, inserting one end of each component into the flange hole at the valve body end to limit and fix the valve body. Then, the vertical lifting mechanism is activated to raise the valve body to a certain height, and the rotation control component is activated to rotate the valve body 180°, so that the upper end face of the valve body is located in the upper part of the work area. The valve body is then placed back on the placement platform for assembly of the upper end cap and the actuator. The structure is compact, highly automated, and the valve body rotation can be completed without the need for hoisting equipment, resulting in higher safety. Furthermore, by replacing the insertion fixing components, it can be adapted to assemble different types of valves. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of a rotary workbench for valve assembly according to the present invention.

[0013] Figure 2This is a front view structural diagram of a rotary workbench for valve assembly according to the present invention.

[0014] Figure 3 This is a top view of the rotary workbench for valve assembly described in this utility model.

[0015] Figure 4 This utility model Figure 2 A magnified schematic diagram of the structure at position 'a' in the diagram.

[0016] Figure 5 This is an isometric structural diagram of the plug-in fixing component of this utility model.

[0017] In the diagram: 1. Assembly table; 2. Assembly slot; 3. Stand; 4. Fixing frame; 5. Rotating table; 6. Protective baffle; 7. U-shaped bracket; 8. Placement table; 9. Pull screw; 10. Servo reducer; 11. Moving seat; 12. Guide rail; 13. Slider; 14. Screw module; 15. Guide column; 16. Lifting platform; 17. Servo motor; 18. Reducer; 19. Fixed shaft; 20. Circular slide rail; 21. Arc-shaped slider; 22. Flange; 23. Assembly bolt; 24. Positioning pin; 25. Valve body to be assembled. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example: Refer to the appendix of the instruction manual Figure 1-5As can be seen, this application specifically designs a rotary workbench for valve assembly. An assembly slot 2 is provided on the assembly table 1. A counter-moving mechanism is installed within the assembly slot 2. A support frame 3 is installed on the moving part of the counter-moving mechanism. A vertical lifting mechanism is installed within the support frame 3. A fixed frame 4 is installed at the moving end of the vertical lifting mechanism. A rotation control component is installed within the fixed frame 4. A rotary table 5 is installed at the output end of the rotation control component. A plug-in fixing component is assembled and connected to the rotary table 5. A protective baffle 6 is installed above the assembly slot 2. A U-shaped bracket 7 is installed above the protective baffle 6. A placement platform 8 is installed on the U-shaped bracket 7. The counter-moving mechanism is integrated and installed on the assembly table 1. The vertical lifting mechanism and the rotation control component are installed on the moving part of the counter-moving mechanism. The valve to be assembled is placed using a forklift. The valve body is transferred to the placement platform 8 above the U-shaped bracket 7. After the lower end cover is installed and fixed, the opposing movement mechanism is activated to control the plug-in fixing components on both sides to move closer to the valve body, so that one end of the plug-in fixing component is inserted into the flange hole at the end of the valve body to achieve the limiting and fixing of the valve body. Then, the vertical lifting mechanism is activated to lift the valve body to a certain height, and the rotation control component is controlled to rotate the valve body 180°, so that the upper end face of the valve body is located in the upper part of the working area. The valve body is then placed back on the placement platform 8, and the upper end cover and actuator of the valve body are assembled. The structure is compact and highly automated. The valve body can be rotated without the need for hoisting equipment, which enhances safety. In addition, by replacing the plug-in fixing components, it can be adapted to the assembly and use of different types of valves.

[0020] In the specific implementation process, the above-mentioned opposing moving mechanism includes a pull screw 9 set in the assembly slot 2. The two ends of the pull screw 9 are rotatably connected to the assembly slot 2, and one end of the pull screw 9 is connected to the drive end of the servo reducer 10. Guide support components are symmetrically arranged on both sides of the pull screw 9. A moving seat 11 is set on the moving end of the guide support component. The moving seat 11 is threadedly engaged with the pull screw 9 through a screw nut. The guide support component includes a guide rail 12 and a slider 13. The guide rail 12 is symmetrically arranged on both sides of the transmission screw. The slider 13 is slidably fitted on the guide rail 12 and fixedly connected to the moving seat 11. In use, the servo reducer 10 is used as the power control to rotate the pull screw 9. The rotation of the pull screw 9, in turn, under the action of the screw nut, drives the moving seat 11 to slide along the guide rails 12 on both sides, thereby realizing the movement of the upright 3 on the moving seat 11 towards the side closer to the placement platform 8. Similarly, controlling the pull screw 9 to rotate in the opposite direction can realize the movement of the upright 3 on both sides away from the placement platform 8.

[0021] In the specific implementation process, the above-mentioned vertical lifting mechanism includes a screw module 14 installed in the upright frame 3, guide columns 15 symmetrically arranged on both sides of the screw module 14, and a lifting platform 16 installed on the moving end of the screw module 14. The lifting platform 16 is slidably engaged with the guide columns 15 on both sides. The rotation control component includes a servo motor 17 installed in the fixed frame 4, a reducer 18 connected to the drive end of the servo motor 17, and a fixed shaft 19 connected between the output end of the reducer 18 and the rotating table 5. A rotation support component is provided between the rotating table 5 and the fixed frame 4. The rotation support component includes an annular slide rail 20 installed on the side wall of the fixed frame 4. The annular slide rail 20 is coaxially arranged with the fixed shaft 19. Several arc-shaped sliders 2113 are mounted on the annular slide rail 20 in an annular array. The arc-shaped sliders 2113 are fixedly connected to the rotating table 5. The upright frames 3 on both sides move towards the placement platform 8. During the process, the plug-in fixing components are inserted into the flange holes at both ends of the valve body 25 to be assembled. After plugging and fixing, the screw module 14 in the upright frame 3 is started. The screw module 14 drives the lifting platform 16 to slide upward along the guide column 15 in the vertical direction, thereby raising the valve body 25 to be assembled to a certain height. The servo motor 17 in the fixing frame 4 is started. The servo motor 17 drives the reducer 18 to move, thereby realizing the rotation control of the fixed shaft 19. The rotation of the fixed shaft 19 then drives the rotating table 5 to rotate along the annular slide rail 20. The servo motor 17 can precisely control the output steering angle, thereby realizing the fixed angle rotation control of the rotating table 5. The rotating table 5 is controlled to rotate 180°. At this time, the valve body 25 to be assembled is simultaneously rotated 180°. The vertical lifting mechanism is controlled to reset, and the valve body 25 to be assembled is placed back on the placement platform 8 for assembly of the upper end cover and the actuator.

[0022] In the specific implementation process, the above-mentioned plug-in fixing assembly includes a flange 22, which is assembled and connected to the rotating table 5 by internal hexagonal mounting bolts 23. Several positioning pins 24 are welded along the annular array on the flange 22. The positioning pins 24 match the flange holes on the valve body 25 to be assembled. In use, the flange 22 is assembled on the rotating table 5, and the positioning pins 24 can be movably inserted into the flange holes on the end face of the valve body 25 to be assembled, thereby limiting the plug-in connection of the valve body 25 to be assembled at both ends, providing a reliable guarantee for subsequent lifting and flipping. The plug-in fixing assembly can be replaced according to the different models of the valve body 25 to be assembled to meet the assembly needs of valves of different sizes.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rotary worktable for valve assembly, comprising an assembly table, characterized in that, The assembly platform is provided with an assembly slot, and a counter-moving mechanism is provided in the assembly slot. A stand is provided on the moving part of the counter-moving mechanism, and a vertical lifting mechanism is provided in the stand. A fixed frame is provided at the moving end of the vertical lifting mechanism, and a rotation control component is provided in the fixed frame. A rotating table is installed at the output end of the rotation control component, and a plug-in fixing component is assembled and connected on the rotating table. A protective baffle is provided above the assembly slot, and a U-shaped bracket is provided above the protective baffle. A placement platform is provided on the U-shaped bracket.

2. The rotary workbench for valve assembly according to claim 1, characterized in that, The opposing moving mechanism includes a pull screw disposed in the assembly slot. Both ends of the pull screw are rotatably connected to the assembly slot. One end of the pull screw is connected to the drive end of the servo reducer. Guide support components are symmetrically arranged on both sides of the pull screw. A moving seat is provided on the moving end of the guide support component. The moving seat is threadedly engaged with the pull screw through a screw nut.

3. A rotary workbench for valve assembly according to claim 2, characterized in that, The guide support assembly includes a guide rail and a slider. The guide rail is symmetrically arranged on both sides of the transmission screw, and the slider is slidably mounted on the guide rail and fixedly connected to the movable seat.

4. A rotary workbench for valve assembly according to claim 1, characterized in that, The vertical lifting mechanism includes a lead screw module installed in the frame, guide columns are symmetrically arranged on both sides of the lead screw module, and a lifting platform is provided on the moving end of the lead screw module. The two sides of the lifting platform are respectively slidably engaged with the guide columns.

5. A rotary workbench for valve assembly according to claim 1, characterized in that, The rotation control assembly includes a servo motor installed in a fixed frame. The drive end of the servo motor is connected to a reducer. The output end of the reducer is connected to a fixed shaft between the rotary table and the rotary table. A rotation support component is provided between the rotary table and the fixed frame.

6. A rotary worktable for valve assembly according to claim 5, characterized in that, The rotating support component includes an annular slide rail disposed on the side wall of the fixed frame. The annular slide rail is coaxially arranged with the fixed shaft. Several arc-shaped sliders are mounted on the annular slide rail in an annular array. The arc-shaped sliders are fixedly connected to the rotating table.

7. A rotary worktable for valve assembly according to any one of claims 1-6, characterized in that, The plug-in fixing assembly includes a flange, which is assembled and connected to the rotating table by internal hexagonal mounting bolts. Several locating pins are welded along the annular array on the flange, and the locating pins match the flange holes on the valve body to be assembled.

Images