Welding tool for pressure reducing valve machining

By designing a welding tool for pressure reducing valves, the internal fixation and rapid clamping of the valve are achieved using the processing box and hydraulic system, which solves the cumbersome problem of valve fixation in the prior art, improves working efficiency and extends the service life of the device.

CN222588552UActive Publication Date: 2025-03-11NINGBO SHINAGAWA HYDRAULIC PARTS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420688643.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2025-03-11
Estimated Expiration
2034-04-07

AI Technical Summary

Technical Problem

The existing pressure reducing valve welding device is too cumbersome to fix the valve, which increases the workload of staff.

Method used

A welding tool for processing pressure reducing valves is designed. Through the mutual cooperation of the processing box, load-bearing plate, mounting table, hydraulic rod, disc, rotating rod and other structures, the valve is fixed from the inside of the valve, and the hydraulic system and elastic components are quickly clamped and disassembled.

Benefits of technology

The valve fixing process is simplified, the working efficiency of the device is improved, and the service life of the device is extended by cooling measures on the welding joints.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222588552U_ABST
    Figure CN222588552U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of pressure reducing valve welding devices, and discloses a welding tool for pressure reducing valve machining, which comprises a machining box, a bearing plate is fixedly connected to the middle end in the machining box, mounting tables are fixedly connected to the left side and the right side of the top of the bearing plate, and driving assemblies are fixedly connected to the tops of the two mounting tables. Discs are fixedly connected to the close sides of the two driving assemblies, rotating rods are rotationally connected to the front ends and the rear ends of the close sides of the two discs, connecting plates are rotationally connected to the exteriors of the multiple rotating rods, and abutting discs are rotationally connected to the exteriors of the multiple connecting plates. According to the device, the valve is fixed from the interior of the valve, so that the situation that when the device clamps the exterior of the valve, machining of the device on the exterior of the valve is affected can be prevented, the device can be rapidly clamped and disassembled, and then the working efficiency of the device is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of pressure reducing valve welding devices, in particular to a welding tool for processing pressure reducing valves. Background Art

[0002] In industrial manufacturing, if large-scale production of pressure reducing valves is required, special welding tools can be designed and manufactured. These tools can help fix and position the various components of the pressure reducing valve to ensure welding quality and production efficiency. For pressure reducing valves of specific size, shape or requirements, welding tools can be customized according to specific needs to ensure accurate positioning and stable support of the workpiece during welding.

[0003] After searching: Chinese patent announcement number: CN213592131U, it relates to the field of pressure reducing valve welding devices, and discloses a welding tool for pressure reducing valve processing, which can fix valves and flanges, has a simple structure, is easy to operate, and the welding work proceeds smoothly, thereby improving welding efficiency and practicability; it includes a welding platform, a first support plate, a first cylinder, a first piston, a bearing, a pressure block, a coupling, a rotating rod and a connecting rod. A base is provided at the bottom end of the welding platform, an inner cavity is provided in the middle of the base, a first support plate is installed at the right part of the top end of the welding platform, the right end of the first support plate is connected to the left end of the first cylinder, the left end of the first cylinder is slidably connected to the right end of the first piston, the left end of the first piston is connected to the right end of the pressure block through a bearing, a transmission device is provided at the top end of the inner cavity, the transmission device is connected to the left end of the coupling, the right end of the coupling is connected to the left end of the rotating rod, the end of the connecting rod is connected to the lifting device, and a pressure roller is provided at the front end of the connecting rod.

[0004] The above-mentioned patent embodiment records that "first, the operator puts the device in place and then rotates the adjusting rod 25 to adjust the height of the device to a horizontal state, then the flange and the valve are sequentially mounted on the rotating rod 9, the first cylinder 4 is started, the left end of the first cylinder 4 outputs power, and the pressure block 7 is pushed to the left through the first piston 5, and the left end of the pressure block 7 contacts the right end of the valve, and the second cylinder 20 is started. The top of the second cylinder 20 outputs power, and the connecting rod 11 is pushed upward through the second piston 21, so that the pressure roller 12 is pressed on the valve." The above-mentioned patent sets the flange and the valve on the outside of the rotating rod, and then starts the first cylinder so that the output end of the first cylinder pushes the pressure block to move through the first piston, and then starts the second cylinder so that the output end of the second cylinder drives the connecting rod to move through the second piston, and then the valve is clamped and fixed by the pressure roller and the pressure block, which is convenient for the device to process it. However, it is not considered that the process of fixing the valve by the above-mentioned device is too cumbersome, which will increase the workload of the staff. Therefore, in view of the above-mentioned deficiencies, a new type of welding tool for pressure reducing valve processing is proposed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a welding tool for processing a pressure reducing valve, aiming to improve the problem that the process of fixing the valve in the prior art is too complicated.

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

[0007] A welding tool for processing a pressure reducing valve comprises a processing box, wherein a carrying plate is fixedly connected to the middle end of the inner part of the processing box, mounting tables are fixedly connected to the left and right sides of the top of the carrying plate, driving components are fixedly connected to the tops of the two mounting tables, discs are fixedly connected to the adjacent sides of the two driving components, rotating rods are rotatably connected to the front and rear ends of the adjacent sides of the two discs, connecting plates are rotatably connected to the outsides of multiple connecting plates, abutting plates are rotatably connected to the outsides of multiple connecting plates, an elastic component is fixedly connected to the middle parts of the adjacent sides of the two discs, linear guides are fixedly connected to the front and rear sides of the top of the carrying plate, a moving plate is slidably connected to the tops of the two linear guides, a hydraulic rod 2 is fixedly connected to the bottom of the moving plate, the output end of the hydraulic rod 2 is fixedly connected to the mounting plate, and a welding head is fixedly connected to the bottom of the mounting plate.

[0008] Furthermore, the driving assembly includes two hydraulic rods 1, and the far sides of the two hydraulic rods 1 are respectively fixedly connected to the tops of the near sides of the two mounting platforms, and the far sides of the two discs are respectively fixedly connected to the output ends of the two hydraulic rods 1.

[0009] Furthermore, a protective cover is fixedly connected to the bottom of the mounting plate, a cooling nozzle is fixedly connected to the right side of the protective cover, a connecting pipe is fixedly connected to the right side of the cooling nozzle, a water pump is fixedly connected to the rear side of the bottom inner wall of the processing box, an input end of the water pump is fixedly connected to a water inlet pipe, and the other end of the water inlet pipe is fixedly connected to a water collecting tank, a drainage groove is provided on the top of the supporting plate, and a drainage pipe is fixedly connected to the bottom of the supporting plate.

[0010] Furthermore, the elastic force component includes two accommodating columns, two limiting plates and two force-bearing columns, the far sides of the two accommodating columns are respectively fixedly connected to the proximal sides of the two disks, the two limiting plates are respectively slidably connected to the inside of the two accommodating columns, the proximal sides of the two force-bearing columns are respectively fixedly connected to the proximal sides of the two limiting plates, and springs are arranged inside the two accommodating columns.

[0011] Furthermore, one end of the spring is fixedly connected to the inner wall of the two accommodating columns on the far side, and the other end of the spring is fixedly connected to the far side of the two limiting plates.

[0012] Furthermore, the far sides of the two abutting plates are respectively fixedly connected to the near sides of the two force-bearing columns, and the front side of the processing box is rotatably connected with a rotating door.

[0013] Furthermore, the middle portion of the cooling nozzle is fixedly connected to the right side of the protective cover, and the bottom portion of the connecting pipe is fixedly connected to the output end of the water pump.

[0014] Furthermore, the bottom of the water collecting tank is fixedly connected to the bottom inner wall of the processing box, and the left side of the cooling nozzle penetrates the right inner wall of the protective cover and extends outward.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the valve is fixed from the inside of the valve through the cooperation of the processing box, the load-bearing plate, the mounting table, the hydraulic rod, the disc, the rotating rod and other structures, so as to prevent the device from clamping the outside of the valve and affecting the device's external processing, and the device can be quickly clamped and disassembled, thereby improving the working efficiency of the device.

[0017] 2. In the utility model, the welding head is cooled by the cooperation of the drainage pipe, welding head, protective cover, cooling nozzle, connecting pipe, water pump, water inlet pipe and other structures, thereby preventing the welding head from being damaged due to excessive temperature after long-term use, and the water flow used for cooling can be collected and reused, thereby improving the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a welding tool for processing a pressure reducing valve proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of a processing box of a welding tool for processing a pressure reducing valve proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a bearing plate of a welding tool for processing a pressure reducing valve proposed by the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the internal structure of a receiving column of a welding tool for processing a pressure reducing valve.

[0022] Legend:

[0023] 1. Processing box; 2. Load-bearing plate; 3. Mounting table; 4. Hydraulic rod one; 5. Disc; 6. Rotating rod; 7. Connecting plate; 8. Counter plate; 9. Accommodating column; 10. Spring; 11. Limiting plate; 12. Load-bearing column; 13. Linear guide; 14. Moving plate; 15. Hydraulic rod two; 16. Mounting plate; 17. Drain pipe; 18. Welding head; 19. Protective cover; 20. Cooling nozzle; 21. Connecting pipe; 22. Water pump; 23. Water inlet pipe; 24. Water collecting tank. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1-Figure 3 The utility model provides an embodiment: a welding tool for processing a pressure reducing valve, comprising a processing box 1, a carrying plate 2 is fixedly connected to the middle end of the inner part of the processing box 1, and mounting platforms 3 are fixedly connected to the left and right sides of the top of the carrying plate 2, so that the carrying plate 2 can provide support for the mounting platform 3, and the tops of the two mounting platforms 3 are fixedly connected with a driving assembly, and the driving assembly includes two hydraulic rods 1 4, and the far sides of the two hydraulic rods 1 4 are respectively fixedly connected to the tops of the near sides of the two mounting platforms 3, so that the mounting platform 3 can provide support for the hydraulic rods 1 4, and the far sides of the two discs 5 are respectively fixedly connected to the output ends of the two hydraulic rods 1 4.

[0026] Then, starting the hydraulic rod 4 can make the output end of the hydraulic rod 4 drive the disc 5 to move, and the adjacent sides of the two driving components are fixedly connected with the disc 5, and the front and rear ends of the adjacent sides of the two discs 5 are rotatably connected with the rotating rod 6, and then when the disc 5 moves, the rotating rod 6 will move, and the outsides of the multiple rotating rods 6 are rotatably connected with the connecting plates 7, and then when the rotating rods 6 move, they will drive the connecting plates 7 to move, and the outsides of the multiple connecting plates 7 are rotatably connected with the counter-disks 8, so that when the connecting plates 7 move, they will drive the counter-disks 8 to move.

[0027] An elastic component is fixedly connected to the middle of the adjacent side of the two discs 5, and linear guides 13 are fixedly connected to the front and rear sides of the top of the supporting plate 2. The tops of the two linear guides 13 are slidably connected to movable plates 14, so that starting the linear guides 13 can drive the movable plates 14 to move, and the bottom of the movable plate 14 is fixedly connected to a hydraulic rod 15, and the output end of the hydraulic rod 15 is fixedly connected to a mounting plate 16, so that the hydraulic rod 15 can drive the mounting plate 16 to move, and the bottom of the mounting plate 16 is fixedly connected to a welding head 18, and then when the mounting plate 16 moves, it will drive the welding head 18 to move.

[0028] like Figure 2 and Figure 4 As shown: the elastic component includes two accommodating columns 9, two limiting plates 11 and two force-bearing columns 12. The far sides of the two accommodating columns 9 are respectively fixedly connected to the proximal sides of the two discs 5, so that when the discs 5 move, the accommodating columns 9 will be driven to move. The two limiting plates 11 are respectively slidably connected to the inside of the two accommodating columns 9. The proximal sides of the two force-bearing columns 12 are respectively fixedly connected to the proximal sides of the two limiting plates 11, so that when the force-bearing columns 12 move, the limiting plates 11 will be driven to move.

[0029] A spring 10 is provided inside the two containing columns 9, one end of the spring 10 is fixedly connected to the inner wall of the two containing columns 9 on the far side, and the other end of the spring 10 is fixedly connected to the far side of the two limit plates 11, so that the spring 10 will be compressed when the limit plates 11 move, and the far sides of the two abutting plates 8 are respectively fixedly connected to the close sides of the two force-bearing columns 12, so that the force-bearing columns 12 will be driven to move when the abutting plates 8 move, and a rotating door is rotatably connected to the front side of the processing box 1.

[0030] like Figure 2 and Figure 3 As shown: a protective cover 19 is fixedly connected to the bottom of the mounting plate 16, a cooling nozzle 20 is fixedly connected to the right side of the protective cover 19, so that the cooling nozzle 20 can cool the welding head 18, a connecting pipe 21 is fixedly connected to the right side of the cooling nozzle 20, and the connecting pipe 21 can supply water to the cooling nozzle 20, a water pump 22 is fixedly connected to the rear side of the bottom inner wall of the processing box 1, and the input end of the water pump 22 is fixedly connected to a water inlet pipe 23, so that the water pump 22 can provide water to the water inlet pipe 23, and a water collecting tank 24 is fixedly connected to the middle end of the bottom inner wall of the processing box 1.

[0031] A drainage groove is provided on the top of the supporting plate 2, and the other end of the water inlet pipe 23 is fixedly connected to the water collecting tank 24, so that the water flowing into the drainage groove will enter the interior of the drainage pipe 17, the middle part of the cooling nozzle 20 is fixedly connected to the right side of the protective cover 19, and the bottom of the connecting pipe 21 is fixedly connected to the output end of the water pump 22, so that the water flowing into the water pump 22 will enter the interior of the connecting pipe 21 from the output end of the water pump 22, the bottom of the water collecting tank 24 is fixedly connected to the bottom inner wall of the processing box 1, and the left side of the cooling nozzle 20 passes through the right inner wall of the protective cover 19 and extends outward.

[0032] Compared with some existing technologies, the above content enables the device to fix the valve from the inside of the valve during use, thereby preventing the device from clamping the outside of the valve and affecting the device's external processing, and can quickly clamp and disassemble the device, thereby improving the working efficiency of the device and achieving cooling of the welding head 18, thereby preventing the welding head 18 from being damaged due to excessive temperature after long-term use, and can collect and reuse the water used for cooling, thereby improving the service life of the device.

[0033] Working principle: first, place the valve inside the processing box 1, and then start the two hydraulic rods 4, so that the output ends of the two hydraulic rods 4 drive the two discs 5 to move, and then the disc 5 will drive the rotating rod 6 to move when it moves, and then the rotating rod 6 will drive the connecting plate 7 to move when it moves, so that the connecting plate 7 will drive the counter-disc 8 to enter the interior of the valve when it moves, and then the two counter-discs 8 will contact the interior of the valve, and then the two counter-discs 8 will press the force-bearing column 12 to make the force-bearing column 12 move, so that the force-bearing column 12 will drive the limit plate 11 to slide inside the accommodating disk 9, and then the limit plate 11 will compress the spring 10 when it moves, so that under the action of the spring 10 returning, the counter-disc 8 will fit more closely with the interior of the valve, and then the counter-disc 8 will also drive the connecting plate 7 and the rotating rod 6 to move when it moves, and then the contact point between the connecting plate 7 and the rotating rod 6 will fit with the interior of the valve, so that the interior of the valve will be supported and fixed, so that it can The valve is clamped and fixed, and then the linear guide 13 is started, so that the linear guide 13 drives the movable plate 14 to move, so that when the movable plate 14 moves, it will drive the hydraulic rod 15 to move, and then the hydraulic rod 15 moves to the appropriate position and starts the welding head 18 to move, and then the welding head 18 welds the outside of the valve. After the valve processing is completed, the water pump 22 is started, so that the water pump 22 generates suction to the inside of the water inlet pipe 23, so that the water flow inside the water collecting tank 24 will enter the inside of the water pump 22, and then the water flow will enter the inside of the connecting pipe 21 through the output end of the water pump 22, and then the water flow will be sprayed from the cooling nozzle 20 through the inside of the connecting pipe 21 to cool the outside of the welding head 18, so as to prevent the welding head 18 from being damaged due to excessive temperature, and thus the service life of the device can be extended, and the used water flow will enter the inside of the drain pipe 17 through the drain groove, and then fall into the inside of the water collecting tank 24, completing the recycling and reuse of the water flow.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding tool for processing a pressure reducing valve, comprising a processing box (1), characterized in that: The inner middle end of the processing box (1) is fixedly connected to a carrying plate (2), the left and right sides of the top of the carrying plate (2) are fixedly connected to mounting platforms (3), the tops of the two mounting platforms (3) are fixedly connected to driving components, the adjacent sides of the two driving components are fixedly connected to disks (5), the adjacent sides of the two disks (5) are rotatably connected to rotating rods (6) at both ends, the outer sides of the plurality of rotating rods (6) are rotatably connected to connecting plates (7), and the outer sides of the plurality of connecting plates (7) are rotatably connected to the rotating rods (6). A counter-disc (8) is movably connected thereto; an elastic component is fixedly connected to the middle of the adjacent side of the two circular disks (5); the front and rear sides of the top of the support plate (2) are fixedly connected to linear guide rails (13); the tops of the two linear guide rails (13) are slidably connected to a movable plate (14); the bottom of the movable plate (14) is fixedly connected to a hydraulic rod 2 (15); the output end of the hydraulic rod 2 (15) is fixedly connected to a mounting plate (16); the bottom of the mounting plate (16) is fixedly connected to a welding head (18).

2. The welding tool for processing a pressure reducing valve according to claim 1, characterized in that: The driving assembly comprises two hydraulic rods (4), the far sides of the two hydraulic rods (4) are respectively fixedly connected to the tops of the near sides of the two mounting platforms (3), and the far sides of the two discs (5) are respectively fixedly connected to the output ends of the two hydraulic rods (4).

3. The welding tool for processing a pressure reducing valve according to claim 1, characterized in that: The bottom of the mounting plate (16) is fixedly connected to a protective cover (19), the right side of the protective cover (19) is fixedly connected to a cooling nozzle (20), the right side of the cooling nozzle (20) is fixedly connected to a connecting pipe (21), the rear side of the bottom inner wall of the processing box (1) is fixedly connected to a water pump (22), the input end of the water pump (22) is fixedly connected to a water inlet pipe (23), the other end of the water inlet pipe (23) is fixedly connected to a water collecting tank (24), a drainage groove is provided on the top of the supporting plate (2), and a drainage pipe (17) is fixedly connected to the bottom of the supporting plate (2).

4. The welding tool for processing a pressure reducing valve according to claim 1, characterized in that: The elastic component comprises two accommodating columns (9), two limiting plates (11) and two force-bearing columns (12); the far sides of the two accommodating columns (9) are respectively fixedly connected to the near sides of the two discs (5); the two limiting plates (11) are respectively slidably connected inside the two accommodating columns (9); the near sides of the two force-bearing columns (12) are respectively fixedly connected to the near sides of the two limiting plates (11); and springs (10) are arranged inside the two accommodating columns (9).

5. The welding tool for processing a pressure reducing valve according to claim 4, characterized in that: One end of the spring (10) is fixedly connected to the inner wall of the two accommodating columns (9) on the far side, and the other end of the spring (10) is fixedly connected to the far side of the two limiting plates (11).

6. The welding tool for processing a pressure reducing valve according to claim 4, characterized in that: The far sides of the two abutting plates (8) are respectively fixedly connected to the near sides of the two force-bearing columns (12), and the front side of the processing box (1) is rotatably connected with a rotating door.

7. The welding tool for processing a pressure reducing valve according to claim 3, characterized in that: The middle part of the cooling nozzle (20) is fixedly connected to the right side of the protective cover (19), and the bottom of the connecting pipe (21) is fixedly connected to the output end of the water pump (22).

8. The welding tool for processing a pressure reducing valve according to claim 3, characterized in that: The bottom of the water collecting box (24) is fixedly connected to the bottom inner wall of the processing box (1), and the left side of the cooling nozzle (20) penetrates the right inner wall of the protective cover (19) and extends outward.

Citation Information

Patent Citations

  • Welding tool for processing pressure reducing valve

    CN213592131U