Seamless welding auxiliary positioning device

By designing clamping and docking mechanisms, combined with adsorption mechanisms, precise positioning and efficient clamping are achieved in the seamless welding process, solving the problems of inaccurate manual positioning and high cost in existing technologies, and improving welding efficiency and stability.

CN223617068UActive Publication Date: 2025-12-02WEIFANG TUODA METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202423106296.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-02
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing seamless welding processes require experienced technicians, resulting in high labor costs and a high risk of errors, and lack efficient auxiliary positioning devices.

Method used

A seamless welding auxiliary positioning device was designed, including a clamping mechanism and a docking mechanism. The device achieves precise positioning of the pipe fitting through a gear and rack system driven by a hydraulic cylinder and a motor, and is equipped with an adsorption mechanism to improve clamping stability.

Benefits of technology

It improves the positioning accuracy and efficiency of welding, reduces labor costs, and ensures the stability and efficiency of the welding process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of welding, and discloses a seamless welding auxiliary positioning device which comprises two sets of clamping mechanisms which are symmetrically arranged, each clamping mechanism is fixed with a moving plate, the moving plate is connected with a butt joint mechanism in a sliding mode, the butt joint mechanism comprises a hydraulic cylinder, the output end of the hydraulic cylinder is fixed with a first sliding block, and the output end of the hydraulic cylinder is fixed with a second sliding block. The first sliding block moves along the first guide rail, the first guide rail is fixed to the ground, and the first sliding block is fixedly connected with the movable plate. The pipe fittings are clamped and positioned through the clamping mechanism, and the two pipe fittings are smoothly butted for welding through the butting mechanism, so that the positioning accuracy is improved, the labor cost is reduced, and the welding efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of welding, and in particular to a seamless welding auxiliary positioning device. Background Technology

[0002] Seamless welding is commonly used in seamless pipe fittings. The current welding preparation method involves clamping and aligning the two pipe fittings to be welded, which requires experienced technicians, is labor-intensive, and prone to errors. There is an urgent need for a seamless welding auxiliary positioning device that can replace manual labor and improve welding efficiency. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a seamless welding auxiliary positioning device that can replace manual labor and improve welding efficiency.

[0004] This utility model discloses a seamless welding auxiliary positioning device, including a clamping mechanism. Two sets of clamping mechanisms are symmetrically arranged. Each clamping mechanism is fixed to a moving plate. The moving plate is slidably connected to a docking mechanism. The docking mechanism includes a hydraulic cylinder. The output end of the hydraulic cylinder is fixed to a first slider. The first slider moves along a first guide rail. The first guide rail is fixed on the ground. The first slider is fixedly connected to the moving plate.

[0005] The clamping mechanism includes a motor, the output end of which is coaxially fixed with a first rotating shaft. The first rotating shaft is coaxially fixed with a gear. The gear meshes with a first rack and a second rack. The first rack and the second rack move along a second guide rail and a third guide rail, respectively. The second guide rail and the third guide rail are fixed to the moving plate. The first rack is fixed to a first clamping plate, and the second rack is fixed to a second clamping plate.

[0006] This utility model discloses a seamless welding auxiliary positioning device, wherein the first rack is fixed to the first support rod, the first support rod is fixed to the first clamping plate, the second rack is fixed to the second support rod, and the second support rod is fixedly connected to the second clamping plate.

[0007] This utility model discloses a seamless welding auxiliary positioning device, wherein the cross-section of the first slider is dovetail-shaped, the first guide rail has a dovetail groove, and the shape of the first slider matches the shape of the first guide rail.

[0008] This utility model discloses a seamless welding auxiliary positioning device, wherein the outer contours of the first clamping plate and the second clamping plate are K-shaped.

[0009] This utility model discloses a seamless welding auxiliary positioning device, wherein an adsorption mechanism is fixedly fixed to the first clamping plate and the second clamping plate respectively. The adsorption mechanism includes an adsorption rubber plate, which is fixedly connected to the first clamping plate. The adsorption rubber plate is hollow inside and has multiple air holes evenly distributed. The adsorption rubber plate is connected to one end of an air pipe, and the other end of the air pipe is fixedly connected to an air pump. A pressure plate is disposed inside the air pump. The pressure plate is fixed to a guide rod. The guide rod is fixed to one end of a third support rod, and the other end of the third support rod is fixed to the first clamping plate.

[0010] This utility model discloses a seamless welding auxiliary positioning device, wherein the adsorption rubber plate is made of rubber.

[0011] This utility model discloses a seamless welding auxiliary positioning device, wherein a one-way air valve is fixed on both the pressure plate and the air pump.

[0012] The difference between this utility model's seamless welding auxiliary positioning device and existing technologies lies in the following:

[0013] 1. This utility model provides a seamless welding auxiliary positioning device that uses a clamping mechanism to clamp and position pipe fittings, and a docking mechanism to allow two pipe fittings to be smoothly docked for welding, thereby improving positioning accuracy, reducing labor costs, and increasing welding efficiency.

[0014] 2. This utility model uses an adsorption mechanism to allow two adsorption rubber plates to adsorb the pipe fitting during the clamping process, reducing rotation during clamping and making the welding more secure.

[0015] The following description, in conjunction with the accompanying drawings, further illustrates a seamless welding auxiliary positioning device of this utility model. Attached Figure Description

[0016] Figure 1 This is a front view of a seamless welding auxiliary positioning device;

[0017] Figure 2 yes Figure 1 The image shows a side view of a seamless welding auxiliary positioning device;

[0018] Figure 3 yes Figure 1 Top view;

[0019] Figure 4 yes Figure 1 Axonometric view;

[0020] Figure 5 yes Figure 4 A bottom view.

[0021] In the diagram:

[0022] Clamping mechanism 1, moving plate 10, motor 11, first rotating shaft 12, gear 13, first rack 14, second rack 15, second guide rail 16, third guide rail 17, first clamping plate 18, second clamping plate 19, first support rod 101, second support rod 102;

[0023] 2. Docking mechanism; 20. Hydraulic cylinder; 21. First slider; 22. First guide rail;

[0024] Adsorption mechanism 3, adsorption rubber plate 30, air hole 31, air pipe 32, air pump 34, pressure plate 35, guide rod 36, third support rod 37. Detailed Implementation

[0025] 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.

[0026] Please see Figure 1 - Figure 4 This utility model provides two technical solutions, specifically including the following embodiments:

[0027] Example 1:

[0028] A seamless welding auxiliary positioning device includes a clamping mechanism 1, two sets of clamping mechanisms 1 are symmetrically arranged, each clamping mechanism 1 is fixed to a moving plate 10, the moving plate 10 is slidably connected to a docking mechanism 2, the docking mechanism 2 includes a hydraulic cylinder 20, the output end of the hydraulic cylinder 20 is fixed to a first slider 21, the first slider 21 moves along a first guide rail 22, the first guide rail 22 is fixed on the ground, and the first slider 21 is fixedly connected to the moving plate 10;

[0029] The clamping mechanism 1 includes a motor 11, the output end of which is coaxially fixed with a first rotating shaft 12. The first rotating shaft 12 is coaxially fixed with a gear 13. The gear 13 meshes with a first rack 14 and a second rack 15. The first rack 14 and the second rack 15 move along a second guide rail 16 and a third guide rail 17, respectively. The second guide rail 16 and the third guide rail 17 are fixed with the moving plate 10. The first rack 14 is fixed with a first clamping plate 18, and the second rack 15 is fixed with a second clamping plate 19.

[0030] During operation, two pipe fittings need to be clamped and connected. First, clamping is performed by starting the motor 11 to rotate the first rotating shaft 12, which in turn rotates the gear 13, causing the first rack 14 and the second rack 15 to move up and down. As a result, the first clamping plate 18 moves downward and the second clamping plate 19 moves upward, thus clamping the pipe fittings. Further, the hydraulic cylinder 20 is activated to move the first slider 21, which in turn moves the moving plate 10, causing the two clamping mechanisms 1 to move towards each other to achieve connection.

[0031] This invention uses a clamping mechanism 1 to clamp and position the pipe fittings, and a docking mechanism 2 to allow the two pipe fittings to be smoothly docked for welding, thereby improving the accuracy of positioning, reducing labor costs, and increasing welding efficiency.

[0032] For further explanation of this example, refer to Figures 1-2 The first rack 14 is fixed to the first support rod 101, the first support rod 101 is fixed to the first clamping plate 18, the second rack 15 is fixed to the second support rod 102, and the second support rod 102 is fixedly connected to the second clamping plate 19.

[0033] For further explanation of this example, refer to Figures 1-2 The first slider 21 has a dovetail-shaped cross section, and the first guide rail 22 has a dovetail groove. The shape of the first slider 21 matches the shape of the first guide rail 22.

[0034] This invention enables the first slider 21 to move only laterally, without moving longitudinally.

[0035] For further explanation of this example, refer to Figures 1-2 The outer contours of the first clamping plate 18 and the second clamping plate 19 are K-shaped.

[0036] This invention can enhance the friction between the first clamping plate 18 and the second clamping plate 19 and the pipe fitting, thereby stabilizing the clamping.

[0037] Example 2

[0038] Reference Figures 3-5 The first clamping plate 18 and the second clamping plate 19 are respectively fixed with an adsorption mechanism 3. The adsorption mechanism 3 includes an adsorption rubber plate 30. The adsorption rubber plate 30 is fixedly connected to the first clamping plate 18. The adsorption rubber plate 30 is hollow inside and has a plurality of air holes 31 evenly opened. The adsorption rubber plate 30 is connected to one end of the air pipe 32. The other end of the air pipe 32 is fixedly connected to the air pump 34. The air pump 34 is equipped with a pressure plate 35. The pressure plate 35 is fixed to the guide rod 36. The guide rod 36 is fixed to one end of the third support rod 37. The other end of the third support rod 37 is fixed to the first clamping plate 18.

[0039] During operation, during the clamping process, the up-and-down movement of the first clamping plate 18 and the second clamping plate 19 causes the guide rod 36 to drive the pressure plate 35 to move, thereby drawing air through the air pipe 32 and causing the adsorption rubber plate 30 to adsorb the pipe column, improving the stability of the clamping. When released, the adsorption rubber plate 30 vents air, making it easy to remove the pipe.

[0040] This invention uses an adsorption mechanism 3 to allow two adsorption rubber plates 30 to adsorb the pipe fitting during the clamping process, reducing rotation during clamping and making the welding more secure.

[0041] For further explanation of this example, refer to Figures 1-2 The material of the adsorption rubber plate 30 is rubber.

[0042] This invention enables the adsorption rubber plate 30 to maintain its outer contour when not in use, and to deform and adhere to the pipe when in use.

[0043] For further explanation of this example, refer to Figures 1-2 One-way air valves are fixed on both the pressure plate 35 and the air pump 34.

[0044] This invention enables high efficiency in exhaust and intake during operation.

[0045] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A seamless welding auxiliary positioning device, characterized in that: The device includes a clamping mechanism (1), two sets of clamping mechanisms (1) are symmetrically arranged, each clamping mechanism (1) is fixed to a moving plate (10), the moving plate (10) is slidably connected to a docking mechanism (2), the docking mechanism (2) includes a hydraulic cylinder (20), the output end of the hydraulic cylinder (20) is fixed to a first slider (21), the first slider (21) moves along a first guide rail (22), the first guide rail (22) is fixed on the ground, and the first slider (21) is fixedly connected to the moving plate (10); The clamping mechanism (1) includes a motor (11), the output end of which is coaxially fixed with a first rotating shaft (12), the first rotating shaft (12) is coaxially fixed with a gear (13), the gear (13) meshes with a first rack (14) and a second rack (15), the first rack (14) and the second rack (15) move along a second guide rail (16) and a third guide rail (17) respectively, the second guide rail (16) and the third guide rail (17) are fixed with the moving plate (10), the first rack (14) is fixed with a first clamping plate (18), and the second rack (15) is fixed with a second clamping plate (19).

2. The seamless welding auxiliary positioning device according to claim 1, characterized in that: The first rack (14) is fixed to the first support rod (101), the first support rod (101) is fixed to the first clamping plate (18), the second rack (15) is fixed to the second support rod (102), and the second support rod (102) is fixedly connected to the second clamping plate (19).

3. The seamless welding auxiliary positioning device according to claim 2, characterized in that: The first slider (21) has a dovetail-shaped cross section, and the first guide rail (22) has a dovetail groove. The shape of the first slider (21) matches the shape of the first guide rail (22).

4. The seamless welding auxiliary positioning device according to claim 3, characterized in that: The outer contours of the first clamping plate (18) and the second clamping plate (19) are K-shaped.

5. The seamless welding auxiliary positioning device according to claim 1, characterized in that: The first clamping plate (18) and the second clamping plate (19) are respectively fixed with an adsorption mechanism (3). The adsorption mechanism (3) includes an adsorption rubber plate (30). The adsorption rubber plate (30) is fixedly connected to the first clamping plate (18). The adsorption rubber plate (30) is hollow inside and has a plurality of air holes (31) evenly opened. The adsorption rubber plate (30) is connected to one end of an air pipe (32). The other end of the air pipe (32) is fixedly connected to an air pump (34). The air pump (34) is equipped with a pressure plate (35). The pressure plate (35) is fixed to a guide rod (36). The guide rod (36) is fixed to one end of a third support rod (37). The other end of the third support rod (37) is fixed to the first clamping plate (18).

6. The seamless welding auxiliary positioning device according to claim 5, characterized in that: The material of the adsorption rubber plate (30) is rubber.

7. The seamless welding auxiliary positioning device according to claim 6, characterized in that: One-way air valves are fixed on both the pressure plate (35) and the air pump (34).