A rolling weld device for a rotary seal valve

Abstract

The application discloses a rolling welding device for a rotary seal valve, which comprises a base, a mounting frame fixedly installed on the base, a second motor fixedly installed on the mounting frame, a first rotating plate fixedly installed on the output shaft of the second motor and penetrating through the mounting frame, a fixed cylinder rotationally connected to the inside of the mounting frame through a bearing, a screw rotationally connected to the inside of the fixed cylinder through a bearing, and a hand wheel fixedly installed at one end of the screw. By rotating the hand wheel, the hand wheel drives the screw to rotate, and under the cooperation of the sliding block and the sliding groove, the inner cylinder moves leftward and rightward along the surface of the screw, thereby driving the second rotating plate to move, the position of the second rotating plate is adjusted, the two ends of the valve body are respectively sleeved on two limiting tables, the limiting tables are helpful for positioning the valve body, the two limiting tables can be adapted to the sleeve fixing of valve bodies of different sizes, the compatibility of the device for valve bodies of different specifications is improved, and meanwhile, the installation and dismounting of the valve body are facilitated.

Description

Technical Field

[0001] This application relates to the field of welding technology, and in particular to a rolling welding apparatus for rotary sealing valves. Background Technology

[0002] A rotary sealing valve is a type of valve that uses a rotating valve core (such as a ball core or butterfly plate) to cooperate with a sealing pair to achieve the on / off switching or flow regulation of fluids (liquids, gases, powders, etc.) in a pipeline. Its core feature is that it relies on rotational motion to complete the control. It is widely used in industrial scenarios such as petrochemicals, water treatment, and power generation, and is especially suitable for fluid control needs with high pressure and frequent operation. The flange is the "bridge" connecting the rotary sealing valve to the pipeline, and welding is a key process to ensure its connection reliability and sealing performance.

[0003] Existing rolling welding devices for rotary sealing valves lack adjustable positioning components in their fixing structure. During valve body installation, repeated calibration of the mating position is required, and during disassembly, each fixing component must be loosened individually, making assembly and disassembly difficult. Furthermore, positioning deviations can easily lead to quality problems such as inaccurate welding positions. Additionally, due to the lack of a dedicated auxiliary lifting structure, the valve body must be manually lifted and supported to align with the fixing components during installation or disassembly. For valve bodies that are heavy or irregularly shaped, manual support is not only labor-intensive and inconvenient, but also poses a safety hazard of the valve body slipping and injuring personnel or causing collision damage. Therefore, this paper proposes a rolling welding device for rotary sealing valves to address these issues. Utility Model Content

[0004] The rolling welding device for rotary sealing valve provided in this embodiment lacks adjustable positioning components, which makes it difficult to complete the valve body loading and unloading process due to repeated calibration and positioning deviations that can affect the welding quality. Furthermore, due to the lack of a dedicated auxiliary lifting structure, the manual lifting and supporting of the valve body is labor-intensive and inconvenient to operate, and there is also the safety hazard of the valve body slipping and injuring people or being damaged by collision.

[0005] According to one aspect of this application, a rolling welding apparatus for a rotary sealing valve is provided, comprising a base, a mounting bracket fixedly mounted on the base, a second motor fixedly mounted on the mounting bracket, a first rotating plate fixedly mounted through the output shaft of the second motor, a fixed cylinder rotatably connected to the interior of the mounting bracket via bearings, a screw rotatably connected to the interior of the fixed cylinder via bearings, a handwheel fixedly mounted at one end of the screw, an inner cylinder threadedly connected to the interior of the fixed cylinder at one end of the screw, a second rotating plate fixedly mounted at one end of the inner cylinder extending to the outer end of the fixed cylinder, a limit platform fixedly mounted on both the first and second rotating plates, and anti-slip pads fixedly mounted on both limit platforms.

[0006] In this technical solution, both limiting platforms are shaped like a frustum, and the two limiting platforms can be fitted onto the same valve body.

[0007] In this technical solution, two guide rods are fixedly installed inside the mounting bracket, and the two guide rods are slidably connected to the same guide block. Four auxiliary wheels are fixedly installed at the bottom end of the guide block.

[0008] In this technical solution, two second electric push rods are fixedly installed at the top of the guide block, and the output ends of the two second electric push rods are fixedly installed to the same arc-shaped seat, on which a buffer pad is provided.

[0009] In this technical solution, the handwheel is threaded with a bolt, and the fixed cylinder is provided with a positioning groove, and the bolt can be inserted into multiple positioning grooves.

[0010] In this technical solution, a lead screw is rotatably connected inside the mounting bracket via a bearing, and a movable block is threaded onto the lead screw. A first motor is fixedly mounted on the mounting bracket, and the output shaft of the first motor passes through the mounting bracket and is fixedly connected to one end of the lead screw.

[0011] In this technical solution, a first electric push rod is fixedly installed on the movable block, and an installation plate is fixedly installed on the output end of the first electric push rod.

[0012] In this technical solution, a welding head is fixedly mounted on the mounting plate, and a connecting pipe is connected to the welding head.

[0013] In this technical solution, two limiting rods are fixedly installed inside the mounting bracket, and the movable block is slidably connected to the two limiting rods.

[0014] In this technical solution, two sliding grooves are formed on the inner wall of the fixed cylinder, and two sliders are fixedly installed on the inner cylinder, with the sliders slidably connected to the sliding grooves.

[0015] Through the above embodiments of this application, by rotating the handwheel, the handwheel drives the screw to rotate. With the cooperation of the slider and the slide groove, the inner cylinder moves left and right along the surface of the screw, thereby driving the second rotating plate to move. By adjusting the position of the second rotating plate, the two ends of the valve body are respectively sleeved on the two limiting platforms. The limiting platforms help to position the valve body. The two limiting platforms can be adapted to fit and fix valve bodies of different sizes, improving the compatibility of the device with valve bodies of different specifications, and at the same time facilitating the installation and disassembly of the valve body. When installing or removing the valve body, the guide block can slide along the two guide rods inside the mounting frame to adjust its position. The four auxiliary wheels and the arc-shaped seat pushed by the second electric push rod at the top jointly support the valve body, avoiding the inconvenience and safety hazards caused by manual support of the valve body, ensuring the stability of the valve body when installing the docking limit platform, and reducing docking deviation. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an embodiment of this application; Figure 2 This is a schematic diagram of the overall internal structure of an embodiment of this application; Figure 3 This is a partial side view of the internal structure of an embodiment of this application; Figure 4 This is a side view of the fixed cylinder structure according to an embodiment of this application.

[0018] In the diagram: 1. Mounting bracket; 2. Lead screw; 3. First electric push rod; 4. Movable block; 5. First motor; 6. Fixed cylinder; 7. Slider; 8. Handwheel; 9. Bolt; 10. Positioning groove; 11. Slide groove; 12. Inner cylinder; 13. Screw; 14. Base; 15. Guide rod; 16. Buffer pad; 17. Electric push rod; 18. Guide block; 19. Auxiliary wheel; 20. Arc-shaped seat; 21. First rotating plate; 22. Second motor; 23. Limiting platform; 24. Mounting plate; 25. Welding head; 26. Connecting pipe; 27. Valve body; 28. Anti-slip pad; 29. ​​Second rotating plate; 30. Limiting rod. Detailed Implementation

[0019] To enable those skilled in the art to understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0020] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0021] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for describing this application and its embodiments and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation.

[0022] Furthermore, some of the aforementioned terms, besides indicating location or positional relationships, may also have other meanings. For example, the term "above" may, in certain circumstances, indicate a dependency or connection. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0023] Furthermore, the terms "installation," "setting," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] Please see Figure 1-4As shown, a rolling welding device for a rotary sealing valve includes a base 14, on which a mounting bracket 1 is fixedly mounted. A second motor 22 is fixedly mounted on the mounting bracket 1. The output shaft of the second motor 22 passes through the mounting bracket 1 and is fixedly mounted on a first rotating plate 21. A fixed cylinder 6 is rotatably connected to the inside of the mounting bracket 1 via a bearing. A screw 13 is rotatably connected to the inside of the fixed cylinder 6 via a bearing. A handwheel 8 is fixedly mounted on one end of the screw 13. One end of the screw 13 extends into the inside of the fixed cylinder 6 and is threadedly connected to an inner cylinder 12. One end of the inner cylinder 12 extends into the outer end of the fixed cylinder 6 and is fixedly mounted on a second rotating plate 29. Limiting platforms 23 are fixedly mounted on both the first rotating plate 21 and the second rotating plate 29. Anti-slip pads 28 are fixedly mounted on both limiting platforms 23.

[0026] In this technical solution, both limiting platforms 23 are shaped like a frustum, and the two limiting platforms 23 can be fitted onto the same valve body 27.

[0027] In this technical solution, two guide rods 15 are fixedly installed inside the mounting bracket 1. The two guide rods 15 are slidably connected to the same guide block 18. Four auxiliary wheels 19 are fixedly installed at the bottom end of the guide block 18.

[0028] In this technical solution, two second electric push rods 17 are fixedly installed at the top of the guide block 18, and the output ends of the two second electric push rods 17 are fixedly installed to the same arc-shaped seat 20. A buffer pad 16 is provided on the arc-shaped seat 20.

[0029] In this technical solution, the handwheel 8 is threaded with a bolt 9, and the fixed cylinder 6 is provided with a positioning groove 10. The bolt 9 can be inserted into multiple positioning grooves 10.

[0030] In this technical solution, a lead screw 2 is rotatably connected inside the mounting frame 1 via a bearing, and a movable block 4 is threaded onto the lead screw 2. A first motor 5 is fixedly mounted on the mounting frame 1, and the output shaft of the first motor 5 passes through the mounting frame 1 and is fixedly connected to one end of the lead screw 2.

[0031] In this technical solution, a first electric push rod 3 is fixedly installed on the movable block 4, and an installation plate 24 is fixedly installed on the output end of the first electric push rod 3.

[0032] In this technical solution, a welding head 25 is fixedly installed on the mounting plate 24, and a connecting pipe 26 is connected to the welding head 25.

[0033] In this technical solution, two limiting rods 30 are fixedly installed inside the mounting frame 1, and the movable block 4 is slidably connected to the two limiting rods 30.

[0034] In this technical solution, two sliding grooves 11 are formed on the inner wall of the fixed cylinder 6, and two sliders 7 are fixedly installed on the inner cylinder 12. The sliders 7 are slidably connected to the sliding grooves 11.

[0035] In use, by rotating the handwheel 8, the screw 13 rotates. With the cooperation of the slider 7 and the sliding groove 11, the inner cylinder 12 moves left and right along the surface of the screw 13, thereby moving the second rotating plate 29. Adjusting the position of the second rotating plate 29 allows the two ends of the valve body 27 to be respectively fitted onto the two limiting platforms 23. The limiting platforms 23 help position the valve body 27. The two limiting platforms 23 can accommodate valve bodies 27 of different sizes, improving the device's versatility for different specifications of valve bodies 27 and facilitating the installation and removal of the valve body 27. Rotating the bolt 9 causes it to move while rotating. After adjusting the position of the inner cylinder 12, the bolt 9 is inserted into the positioning groove 10 to fix the position of the inner cylinder 12, preventing rotation or movement during welding. This further ensures the reliability of the valve body 27's fixation and improves the device's performance. Stability; The first motor 5 is started, driving the lead screw 2 to rotate. With the cooperation of the two limit rods 30, the movable block 4 moves left and right along the surface of the lead screw 2. The first electric push rod 3 can push the welding head 25 up and down through the mounting plate 24, realizing the position adjustment of the welding head 25 in the horizontal and vertical directions. This allows welding to be performed on different positions of the valve body 27, making the movement of the welding head 25 more flexible and meeting the welding needs of valve bodies 27 of different shapes and sizes, thus improving the adaptability and versatility of welding. The second motor 22 is started, and its output shaft drives the first rotating plate 21 to rotate. The valve body 27 rotates synchronously under the drive of the two limit platforms 23. The welding head 25 can perform uniform rolling welding on the valve body 27 while maintaining a fixed position, ensuring that the weld seam is continuous and flat, which improves welding efficiency and ensures the welding quality of the rotary sealing valve body 27. When installing or removing the valve body 27, the guide block 18 can slide along the two guide rods 15 inside the mounting frame 1 to adjust its position. The four auxiliary wheels 19 and the arc-shaped seat 20 pushed by the second electric push rod 17 at the top jointly support the valve body 27, avoiding the inconvenience and safety hazards caused by manually supporting the valve body 27, ensuring that the valve body 27 maintains stability when installing the docking limit table 23, and reducing docking deviation.

[0036] The advantages of this application are: 1. By rotating the handwheel 8, the handwheel 8 drives the screw 13 to rotate. With the cooperation of the slider 7 and the slide groove 11, the inner cylinder 12 moves left and right along the surface of the screw 13, thereby driving the second rotating plate 29 to move. Adjusting the position of the second rotating plate 29, the two ends of the valve body 27 are respectively sleeved on the two limiting platforms 23. The limiting platforms 23 help to position the valve body 27. The two limiting platforms 23 can be adapted to fit and fix valve bodies 27 of different sizes, improving the universality of the device for valve bodies 27 of different specifications, and at the same time facilitating the installation and disassembly of the valve body 27. 2. When installing or removing the valve body 27, the guide block 18 can slide along the two guide rods 15 inside the mounting frame 1 to adjust its position. The four auxiliary wheels 19 and the arc-shaped seat 20 pushed by the second electric push rod 17 at the top jointly support the valve body 27, avoiding the inconvenience and safety hazards caused by manually supporting the valve body 27, ensuring that the valve body 27 maintains stability when installing the docking limit table 23, and reducing docking deviation.

[0037] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A rolling welding device for a rotary sealing valve, comprising a base (14), characterized in that: A mounting bracket (1) is fixedly installed on the base (14). A second motor (22) is fixedly installed on the mounting bracket (1). The output shaft of the second motor (22) passes through the mounting bracket (1) and a first rotating plate (21) is fixedly installed. A fixed cylinder (6) is rotatably connected to the inside of the mounting bracket (1) via a bearing. A screw (13) is rotatably connected to the inside of the fixed cylinder (6) via a bearing. A handwheel (8) is fixedly installed at one end of the screw (13). An inner cylinder (12) is threadedly connected to the inside of the fixed cylinder (6) at one end of the inner cylinder (12). A second rotating plate (29) is fixedly installed at the outer end of the fixed cylinder (6) at one end of the inner cylinder (12). A limiting platform (23) is fixedly installed on both the first rotating plate (21) and the second rotating plate (29). Anti-slip pads (28) are fixedly installed on both limiting platforms (23).

2. The rolling welding device for a rotary sealing valve according to claim 1, characterized in that: Both of the limiting platforms (23) are in the shape of a "frustum" and can be fitted onto the same valve body (27).

3. The rolling welding device for a rotary sealing valve according to claim 1, characterized in that: The mounting bracket (1) has two guide rods (15) fixedly installed inside. The two guide rods (15) are slidably connected to the same guide block (18). The bottom end of the guide block (18) is fixedly equipped with four auxiliary wheels (19).

4. The rolling welding apparatus for a rotary sealing valve according to claim 3, characterized in that: Two second electric push rods (17) are fixedly installed at the top of the guide block (18), and the output ends of the two second electric push rods (17) are fixedly installed on the same arc-shaped seat (20). A buffer pad (16) is provided on the arc-shaped seat (20).

5. The rolling welding device for a rotary sealing valve according to claim 1, characterized in that: The handwheel (8) is threaded with a bolt (9), and the fixed cylinder (6) is provided with a positioning groove (10). The bolt (9) can be inserted into multiple positioning grooves (10).

6. The rolling welding apparatus for a rotary sealing valve according to claim 1, characterized in that: The mounting bracket (1) is rotatably connected to a lead screw (2) via a bearing. A movable block (4) is threaded onto the lead screw (2). A first motor (5) is fixedly mounted on the mounting bracket (1). The output shaft of the first motor (5) passes through the mounting bracket (1) and is fixedly connected to one end of the lead screw (2).

7. The rolling welding apparatus for a rotary sealing valve according to claim 6, characterized in that: The first electric push rod (3) is fixedly installed on the movable block (4), and the output end of the first electric push rod (3) is fixedly installed with a mounting plate (24).

8. The rolling welding apparatus for a rotary sealing valve according to claim 7, characterized in that: A welding head (25) is fixedly installed on the mounting plate (24), and a connecting pipe (26) is connected to the welding head (25).

9. The rolling welding apparatus for a rotary sealing valve according to claim 6, characterized in that: The mounting bracket (1) has two limiting rods (30) fixedly installed inside, and the movable block (4) is slidably connected to the two limiting rods (30).

10. The rolling welding apparatus for a rotary sealing valve according to claim 1, characterized in that: The inner wall of the fixed cylinder (6) has two sliding grooves (11), and two sliders (7) are fixedly installed on the inner cylinder (12). The sliders (7) are slidably connected to the sliding grooves (11).

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