Stainless steel pipeline welding clamping device
By designing a stainless steel pipe welding clamping device with a pipe clamping mechanism and a synchronous movement adjustment mechanism, the clamping problem during stainless steel pipe welding is solved, achieving stable clamping and docking, improving welding efficiency and quality, and providing argon gas protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-31
AI Technical Summary
The lack of a clamping and fixing structure for welding stainless steel pipes in the existing technology makes the welding operation inconvenient.
A stainless steel pipe welding clamping device was designed, which includes a pipe clamping mechanism and a synchronous movement adjustment mechanism. The pipe is fixed by clamping wheels, and the pipe docking and argon gas delivery are realized by the synchronous movement adjustment mechanism.
It achieves stable clamping and docking of the pipe, facilitating subsequent welding operations, while providing argon gas protection, thus improving welding efficiency and quality.
Smart Images

Figure CN224059089U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a stainless steel pipe welding clamping device. Background Technology
[0002] Stainless steel pipe is a hollow, long, round steel material, widely used in industrial pipelines for petroleum, chemical, medical, food, light industry, and machinery, as well as in mechanical structural components. Additionally, it is lighter in weight while maintaining the same bending and torsional strength, making it widely used in manufacturing mechanical parts and engineering structures, and also commonly used in furniture and kitchenware.
[0003] A search revealed Chinese patent document CN202023053628.8, publication number CN214444020U, which discloses an argon-filling device for welding stainless steel pipes. The device includes a pipe and a sealing device disposed inside the pipe. The sealing device comprises a core tube assembly, an outer tube assembly, an air bladder assembly, and a valve body. The core tube assembly is disposed inside the outer tube assembly. The air bladder assembly is divided into air bladder one, air bladder two, and a first outer tube. Air bladder one and air bladder two are respectively fixed to both ends of the first outer tube. The outer tube assembly is divided into a second outer tube and a third outer tube.
[0004] Although the aforementioned patent document achieves the argon purging during pipe welding, it lacks a structure for clamping and fixing the pipes when welding two pipes, making subsequent welding operations inconvenient. Utility Model Content
[0005] The purpose of this utility model is to overcome the above-mentioned shortcomings in the existing technology and provide a stainless steel pipe welding clamping device with a reasonable structural design, which can clamp and fix the pipe to facilitate subsequent welding operations.
[0006] The technical solution adopted by this utility model to solve the above problems is as follows: a stainless steel pipe welding clamping device, including a base plate, characterized in that: it further includes a movable plate, a pipe clamping mechanism, and a synchronous movement adjustment mechanism; the movable plate is slidably mounted on the base plate; the pipe clamping mechanism is mounted on the movable plate, and the pipe clamping mechanism includes a rotating ring, a fixed seat, a clamping assembly, and an adjustment assembly; the fixed seat is fixedly connected to the movable plate; the rotating ring is rotatably mounted on the fixed seat; the adjustment assembly includes a gear ring, a gear, a rotating shaft, a connecting rod, and a clamping wheel; the gear ring is fixedly connected to the rotating ring; the gear ring is fixed on an extension plate, and a gear meshes inside the gear ring, with a rotating shaft fixedly mounted in the middle of the gear, and the rotating shaft is rotatably connected to the fixed seat; one end of the connecting rod is fixed to the rotating shaft, and the other end is rotatably mounted with a clamping wheel; the adjustment assembly includes an arc-tooth plate, a toothed plate telescopic cylinder, and a straight toothed plate; the arc-tooth plate is fixedly connected to the rotating ring; the toothed plate telescopic cylinder is mounted on the movable plate; the toothed plate telescopic cylinder is connected to the straight toothed plate, and the straight toothed plate meshes with the arc-tooth plate; the synchronous movement adjustment mechanism is connected to the movable plate.
[0007] The synchronous moving adjustment mechanism of this utility model includes a drive motor, an adjustment plate, and an adjustment rod; the drive motor is fixed on the base plate; the adjustment plate is fixed on the power output end of the drive motor; one end of the adjustment rod is connected to the adjustment plate, and the other end is connected to the moving plate.
[0008] This utility model also includes an argon gas delivery mechanism, which is installed on one side of the base plate.
[0009] The argon gas delivery mechanism of this utility model includes an argon gas delivery pipe, a gas pump, a gas storage tank, a gas delivery pipe telescopic cylinder, and a mounting plate; the gas delivery pipe telescopic cylinder is mounted on the base plate; the mounting plate is slidably mounted on the fixed plate, the gas delivery pipe telescopic cylinder is connected to the mounting plate, the gas storage tank is mounted on the mounting plate, the gas storage tank is equipped with a gas pump, and the gas pump is connected to the argon gas delivery pipe.
[0010] The argon gas delivery mechanism of this utility model also includes a fixed plate, which is fixedly connected to the base plate, and the gas delivery pipe telescopic cylinder is installed on the fixed plate.
[0011] The mounting plate described in this utility model is slidably mounted on the fixed plate via a limiting rod.
[0012] This utility model also includes a slide bar, which is fixedly installed on the base plate, and a movable plate is slidably installed on the slide bar.
[0013] The fixed base of this utility model is fixedly provided with an installation ring, and a rotating ring is rotatably sleeved on the installation ring.
[0014] The adjustment assembly of this utility model also includes an extension plate, which is fixedly connected to the rotating ring and slidably connected to the fixed seat, with the gear ring fixed on the extension plate.
[0015] The adjustment component of this utility model also includes a fixed block, which is fixedly connected to the movable plate, and the toothed plate telescopic cylinder is installed on the fixed block.
[0016] Compared with the prior art, this invention has the following advantages and effects: The invention uses the cooperation of the pipe clamping mechanism and the clamping adjustment component to clamp and fix the pipe to be welded by the clamping wheel. The operation is simple and the clamping stability is high. At the same time, with the cooperation of the synchronous movement adjustment mechanism, the two pipe clamping mechanisms are driven to move relative to each other and in opposite directions, thereby driving the two pipes to be welded to be connected, so as to facilitate the subsequent welding of the pipes. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention. Figure 1 ;
[0018] Figure 2 This is a schematic diagram of the front cross-sectional structure of the present invention;
[0019] Figure 3 This is a schematic diagram of the overall three-dimensional structure of the present invention. Figure 2 ;
[0020] Figure 4 This is a three-dimensional structural diagram of the pipe clamping mechanism and the synchronous movement adjustment mechanism of the present invention;
[0021] Figure 5 This is a three-dimensional structural schematic diagram of the argon gas delivery and coordination mechanism of the present invention;
[0022] Figure 6 This is a three-dimensional split structure diagram of the pipe clamping mechanism of the present invention;
[0023] Figure 7 This is a three-dimensional structural diagram of the internal gear ring, meshing gear, and connecting rod of the present invention. Detailed Implementation
[0024] The present invention will be further described in detail below with reference to the accompanying drawings and through embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.
[0025] This utility model embodiment includes a base plate 1, a base 2, an argon gas delivery mechanism 3, a pipe clamping mechanism 4, a support block 6, a slide bar 7, and a synchronous movement adjustment mechanism.
[0026] Bases 2 are fixed at all four corners of the bottom surface of the base plate 1. The installation of bases 2 increases the stability of the overall device.
[0027] The slide rod 7 is fixedly installed on the base plate 1 by the support block 6, and the movable plate 8 is slidably installed on the slide rod 7. Thus, the movable plate 8 is slidably installed on the base plate 1. The pipe clamping mechanism 4 is installed on the movable plate 8. There are two pipe clamping mechanisms 4, which are arranged opposite to each other.
[0028] The pipe clamping mechanism 4 includes a rotating ring 41, a fixed base 48, a clamping assembly, and an adjusting assembly.
[0029] The fixed base 48 is fixedly connected to the movable plate 8, so that the pipe clamping mechanism 4 is installed on the movable plate 8. The fixed base 48 has a mounting ring 411 fixed inside, and both sides of the fixed base 48 have circular through holes that are connected to the mounting ring 411. The rotating ring 41 is rotatably sleeved on the mounting ring 411, so that the rotating ring 41 is rotatably sleeved on the fixed base 48.
[0030] Adjustment components are provided on both sides of the rotating ring 41. The adjustment components include an extension plate 43, a gear ring 44, a gear 442, a rotating shaft 443, a connecting rod 441, and a clamping wheel 4411. The extension plate 43 is fixedly connected to the rotating ring 41 and slidably connected to the fixed base 48. The extension plate 43 slides along the outer wall of the fixed base 48. The gear ring 44 is fixed on the extension plate 43, so the gear ring 44 is fixedly connected to the rotating ring 41. Several gears 442 are evenly meshed inside the gear ring 44. The rotating shaft 443 is fixedly installed through the middle of the gear 442, and one end of the rotating shaft 443 is rotatably connected to the fixed base 48. One end of the connecting rod 441 is fixed to the other end of the rotating shaft 443, and the other end of the connecting rod 441 is rotatably mounted with the clamping wheel 4411 through the mounting shaft.
[0031] The adjusting assembly includes a fixed block 46, an arc-shaped toothed plate 42, a toothed plate telescopic cylinder 45, and a straight toothed plate 47. The arc-shaped toothed plate 42 is fixedly connected to the rotating ring 41; the fixed block 46 is fixedly connected to the moving plate 8, and the toothed plate telescopic cylinder 45 is mounted on the fixed block 46, thus the toothed plate telescopic cylinder 45 is mounted on the moving plate 8; the telescopic end of the toothed plate telescopic cylinder 45 is fixedly provided with a straight toothed plate 47, which is located in the fixed seat 48 and meshes with the arc-shaped toothed plate 42.
[0032] The synchronous moving adjustment mechanism is connected to the moving plate 8, and drives the two pipe clamping mechanisms 4 to move relative to each other and in opposite directions through the moving plate 8. The synchronous moving adjustment mechanism includes a drive motor 11, an adjustment plate 10, and an adjustment rod 9. The drive motor 11 is fixedly mounted on the base plate 1; the adjustment plate 10 is fixedly mounted on the power output end of the drive motor 11, and the adjustment plate 10 has two elliptical sliding holes, each of which is equipped with a mating pin; one end of the adjustment rod 9 is connected to the mating pin, and the other end is connected to the moving plate 8.
[0033] Argon gas delivery mechanism 3 is installed on one side of base plate 1. Argon gas delivery mechanism 3 is used to deliver argon gas during welding of pipe 5. Argon gas delivery mechanism 3 includes argon gas delivery pipe 31, gas pump 32, gas storage tank 33, fixing plate 34, gas delivery pipe telescopic cylinder 35, limit rod 36, and mounting plate 37. Fixing plate 34 is fixedly connected to base plate 1, and gas delivery pipe telescopic cylinder 35 is installed on fixing plate 34, so that gas delivery pipe telescopic cylinder 35 is installed on base plate 1. Mounting plate 37 is slidably installed on fixing plate 34 through limit rod 36. Power output end of gas delivery pipe telescopic cylinder 35 is connected to mounting plate 37. Gas storage tank 33 is installed on mounting plate 37. Gas pump 32 is installed on gas storage tank 33. The inlet end of gas pump 32 is fixedly connected to and communicates with gas storage tank 33. The exhaust end of gas pump 32 is connected to and fixedly connected to argon gas delivery pipe 31.
[0034] The method of using this utility model includes the following steps:
[0035] S1. Clamping and Fixing: The pipe 5 to be welded is placed in the circular through hole of the mounting ring 411. When it is necessary to clamp and fix the pipe 5 to be welded, the toothed plate telescopic cylinder 45 is activated. Under the power output of the toothed plate telescopic cylinder 45, the straight toothed plate 47 is moved. At the same time, under the meshing operation, the arc toothed plate 42 drives the rotating ring 41 to rotate within a certain range, thereby driving the two extension plates 43 on the rotating ring 41 to rotate synchronously, thereby driving the corresponding toothed rings 44 on the extension plates 43 to rotate synchronously. At the same time, under the meshing operation, each gear 442 is driven to mesh and rotate along the corresponding toothed ring 44, thereby driving each rotating shaft 443 to rotate along the corresponding fixed seat 48, thereby driving each connecting rod 441 and the clamping wheel 4411 on the connecting rod 441 to rotate synchronously. In this way, several clamping wheels 4411 are driven to concentrically calibrate and clamp and fix the pipe 5 to be welded, so as to facilitate the subsequent welding operation.
[0036] S2. Adjustment of moving docking: When it is necessary to dock two clamped and fixed pipes 5 to be welded, start the drive motor 11. The drive motor 11 drives the adjustment plate 10 and the two elliptical sliding holes on the adjustment plate 10 to rotate, thereby driving each mating pin to slide along the corresponding elliptical sliding hole, so as to facilitate the relative and opposite movement of the two adjustment rods 9. In this way, the two moving plates 8 are driven to move relative and opposite, and then the two pipe clamping mechanisms 4 are driven to move relative and opposite, so as to facilitate the docking of the two pipes 5 to be welded.
[0037] S3. Argon Gas Delivery: When argon gas needs to be delivered to the weld joint during welding, the argon gas delivery pipe 31 can be moved by the gas delivery pipe telescopic cylinder 35, allowing the argon gas delivery pipe 31 to enter the two pipes 5 to be welded. The argon gas in the gas storage tank 33 is then delivered to the argon gas delivery pipe 31 via the gas pump 32, providing protection during subsequent pipe welding. When the argon gas delivery pipe 31 needs to be moved or adjusted, the gas delivery pipe telescopic cylinder 35 is activated. The power output of the gas delivery pipe telescopic cylinder 35 moves the mounting plate 37, causing each limit rod 36 to slide along the fixed plate 34. This facilitates the movement of the gas pump 32 and the argon gas delivery pipe 31, allowing for easy adjustment of the argon gas delivery pipe 31 according to welding needs, thus facilitating subsequent argon gas delivery and welding assistance.
[0038] In summary, this utility model, through the cooperative arrangement of various structures, not only facilitates the clamping and fixing of the pipes 5 to be welded, but also allows for the concentric docking of the two clamped and fixed pipes 5 to be welded, facilitating subsequent welding. Simultaneously, with the cooperative arrangement of the argon gas delivery mechanism 3, it facilitates the delivery of argon gas into the pipes 5 during welding, which can provide a certain degree of protection during the welding process.
[0039] Furthermore, it should be noted that the specific embodiments described in this specification may differ in the shape and name of their components. The above description is merely illustrative of the structure of this utility model. All equivalent or simple variations made based on the structure, features, and principles described in this utility model patent concept are included within the protection scope of this utility model patent.
Claims
1. A stainless steel pipe welding clamping device comprising a base plate, characterized in that: The pipeline clamping mechanism is installed on the moving plate, and comprises a rotating ring, a fixed seat, a clamping assembly and an adjusting assembly.
2. The stainless steel pipe welding clamping device according to claim 1, characterized in that: The synchronous moving adjusting mechanism comprises a driving motor, an adjusting plate and an adjusting rod.
3. The stainless steel pipe welding clamp apparatus of claim 1, wherein: The argon gas conveying mechanism is installed on one side of the bottom plate.
4. The stainless steel pipe welding clamping device according to claim 3, characterized in that: The argon gas conveying mechanism comprises an argon gas conveying pipe, a gas pump, a gas storage tank, a gas pipe telescopic cylinder and a mounting plate.
5. The stainless steel pipe welding clamp apparatus according to claim 4, wherein: The argon gas conveying mechanism further comprises a fixed plate, which is fixedly connected with the bottom plate, and the gas pipe telescopic cylinder is installed on the fixed plate.
6. The stainless steel pipe welding clamp apparatus of claim 4, wherein: The mounting plate is slidably installed on the fixed plate through a limiting rod.
7. The stainless steel pipe welding clamp apparatus of claim 1, wherein: The sliding rod is fixedly installed on the bottom plate, and the moving plate is slidably installed on the sliding rod.
8. The stainless steel pipe welding clamp apparatus of claim 1, wherein: The fixed seat is fixedly provided with a mounting ring, and the rotating ring is rotatably sleeved on the mounting ring.
9. The stainless steel pipe welding clamp apparatus of claim 1, wherein: The adjusting assembly further comprises an extension plate, which is fixedly connected with the rotating ring and slidably connected with the fixed seat, and the gear ring is fixed on the extension plate.
10. The stainless steel pipe welding clamp apparatus of claim 1, wherein: The adjusting assembly further comprises a fixed block, which is fixedly connected with the moving plate, and the gear plate telescopic cylinder is installed on the fixed block.
Citation Information
Patent Citations
Stainless steel pipeline welding argon filling device
CN214444020U