Welding fixture for stainless steel butt-welded pipe fittings

Abstract

The utility model discloses a stainless steel butt welding pipe fitting welding clamp which comprises a bottom box, a base is fixedly installed on the top of the bottom box, a pipe body piece is placed on the base, a sleeve plate is connected to the outer side of the pipe body piece in a sleeved mode, the base and the sleeve plate are rotationally connected through a hinge, the base and the sleeve plate are connected through a fixing piece, and the fixing piece is fixedly connected with the base. A first inner groove is formed in the inner wall of the sleeve plate, and a first half gear is inserted into the first inner groove. According to the utility model, an up-and-down separated structure is adopted, a pipe body part can be directly placed on the base, and the half gear I and the half gear II can be tightly propped against the outer side of the pipe body part under the action of the hinge and the fixing part, so that the position of the pipe body part is limited and positioned; the transmission gear can drive the first half gear and the second half gear to rotate, so that the pipe part is welded during rotation, the structure is simple to operate, and the pipe part can be quickly mounted and subsequently dismounted.

Description

Technical Field

[0001] This utility model relates to the field of stainless steel pipe processing technology, specifically a welding fixture for stainless steel butt welded pipe fittings. Background Technology

[0002] Stainless steel pipe is a hollow, long, round steel material. It is mainly used in industrial pipelines for petroleum, chemical, medical, food, light industry, and machinery, as well as mechanical structural components. In addition, it is lighter in weight while maintaining the same bending and torsional strength, so it is also widely used in the manufacture of mechanical parts and engineering structures, and is also commonly used in furniture and kitchenware.

[0003] Currently, there are still some problems in the butt welding of stainless steel pipe fittings. Before welding, clamps are used to hold and restrict the position of the stainless steel pipe fittings to facilitate welding. However, the current clamping structure is relatively complicated in actual operation, making it inconvenient for personnel to quickly position and rotate the stainless steel pipe fittings, and it is also inconvenient for personnel to remove them during welding. Therefore, we propose a welding clamp for stainless steel butt welded pipe fittings to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a welding fixture for stainless steel butt welded pipe fittings to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a welding fixture for stainless steel butt-welded pipe fittings, comprising a base box, a base fixedly installed on the top of the base box, a pipe fitting placed on the base, a sleeve plate sleeved on the outer side of the pipe fitting, the base and the sleeve plate being rotatably connected by a hinge, the base and the sleeve plate being connected by a fixing member, an inner groove first formed on the inner wall of the sleeve plate, a half gear first inserted inside the inner groove first, a half gear second abutting against the outer side of the half gear first, and the half gear second inserted into... Inside the inner groove two, the inner groove two is formed on the inner wall of the base. The outer side of the half gear two is meshed with a transmission gear. A long shaft is fixedly installed on the transmission gear. The long shaft is fixedly connected to the end of the shaft of the servo motor. The servo motor is fixedly set on the outer side of the base. Grooves are formed on the inner walls of the half gear one and half gear two, and on the outer sides of the inner groove one and inner groove two. A magnet block is fixedly set inside the groove. An opening groove is formed on the outer side of the sleeve plate. An internal groove is formed on the inner wall of the base and the sleeve plate.

[0006] As a further preferred embodiment of this technical solution, the fixing component includes two fixing plates, which are respectively fixedly disposed on the outer side of the base and the sleeve plate, and are connected by bolts.

[0007] As a further preferred embodiment of this technical solution, the bolt has anti-slip grooves on its outer side, the anti-slip grooves are evenly distributed on the outer side of the bolt, and the threads connecting the two fixing plates and the bolt are fine-pitch threads.

[0008] As a further preferred embodiment of this technical solution, the outer side of the first half gear abuts against the inner wall of the first inner groove, the first half gear can rotate inside the second inner groove, the second half gear abuts against the inner wall of the second inner groove, the second half gear can rotate inside the second inner groove, and the inner walls of the first and second half gears are in close contact with the outer side of the tube body.

[0009] As a further preferred embodiment of this technical solution, the transmission gears are provided in two sets, and the two sets of transmission gears are symmetrically fixed on the outer side of the long shaft.

[0010] As a further preferred embodiment of this technical solution, a plate is fixedly installed inside the bottom box, an external pipe is fixedly connected to the plate, the other end of the external pipe is fixedly connected to an external fan, an air outlet is opened on the outer side of the plate, a collection box is provided below the plate, the collection box is inserted into the opening groove, and the opening groove is opened on the bottom box.

[0011] As a further preferred embodiment of this technical solution, the air outlets are evenly distributed on the outer side of the plate, and the plate has an arc shape.

[0012] This utility model provides a welding fixture for stainless steel butt welded pipe fittings, which has the following advantages:

[0013] This utility model adopts an upper and lower split structure, which allows the tube to be placed directly on the base. With the help of hinges and fasteners, half gear one and half gear two can closely abut against the outer side of the tube, thereby limiting and positioning the tube. When the servo motor is started, the transmission gears can drive half gear one and half gear two to rotate, so that the tube is rotated for welding. This structure is simple to operate and can quickly install and disassemble the tube.

[0014] This utility model features a plate body that allows an external fan to deliver air through an external pipe into the plate body during the welding of pipe components. The air is then sprayed upwards from the air outlet, thereby cooling the welded joint of the pipe components. Additionally, a collection box is provided to collect any falling debris for subsequent transfer. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0016] Figure 2This is a front sectional view of the structure of this utility model;

[0017] Figure 3 This is a top view schematic diagram of the structure of the first and second half-gears of this utility model in their separated state;

[0018] Figure 4 This is a top view schematic diagram of the structure of the plate and the collection box of this utility model.

[0019] In the diagram: 1. Base box; 2. Base; 3. Pipe body; 4. Sleeve plate; 5. Hinge; 6. Inner groove one; 7. Half gear one; 8. Half gear two; 9. Inner groove two; 10. Transmission gear; 11. Long shaft; 12. Servo motor; 13. Groove; 14. Magnet block; 15. Opening groove; 16. Internal groove; 17. Fixing plate; 18. Bolt; 19. Plate body; 20. External pipe; 21. Air outlet; 22. Collection box; 23. Opening groove. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0021] This utility model provides a technical solution: such as Figure 1 , Figure 2 and Figure 3As shown in this embodiment, a stainless steel butt-welding pipe fitting welding fixture includes a base box 1. A base 2 is fixedly installed on the top of the base box 1. A pipe body 3 is placed on the base 2. A sleeve plate 4 is sleeved on the outer side of the pipe body 3. The base 2 and the sleeve plate 4 are rotatably connected by a hinge 5. The base 2 and the sleeve plate 4 are connected by a fastener. An inner groove 6 is formed on the inner wall of the sleeve plate 4. A half gear 7 is inserted into the inner groove 6. A second half gear 8 abuts against the outer side of the half gear 7. The second half gear 8 is inserted into the inner groove 9. The inner groove 9 is formed on the inner wall of the base 2. A transmission gear 10 is meshed with the outer side of the second half gear 8. A transmission gear 10 is fixedly installed on the transmission gear 10. A long shaft 11 is fixedly connected to the end of the rotating shaft of a servo motor 12. The servo motor 12 is fixedly mounted on the outer side of the base 2. Grooves 13 are formed on the inner walls of half gear 1 and half gear 2 8, and on the outer sides of inner groove 1 6 and inner groove 2 9. A magnet block 14 is fixedly mounted inside the groove 13. An opening groove 15 is formed on the outer side of the sleeve plate 4. An internal groove 16 is formed on the inner walls of the base 2 and the sleeve plate 4. The structure adopts an upper and lower separation type, which allows the tube 3 to be placed directly on the base 2. Under the action of the hinge 5 and the fixing parts, half gear 1 7 and half gear 2 8 can tightly abut against the outer side of the tube 3, thereby restricting and positioning the position of the tube 3. When 12 is activated, the transmission gear 10 can drive half gear 7 and half gear 8 to rotate, thereby rotating the pipe body 3 for welding. This structure is simple to operate and allows for quick installation and subsequent disassembly of the pipe body 3. The fixing component includes two fixing plates 17, which are respectively fixed on the outer sides of the base 2 and the sleeve plate 4. The two fixing plates 17 are connected by bolts 18. The outer side of the bolts 18 is provided with anti-slip texture, which is evenly distributed on the outer side of the bolts 18. The threads connecting the two fixing plates 17 and the bolts 18 are fine-pitch threads. Using the fixing component, the base 2 and the sleeve plate 4 are connected by the hinge 5. The tube body 3 can be enclosed and engaged with the inside of the fixing plate 17 by bolts 18, thereby quickly and tightly connecting the base 2 and the sleeve plate 4. The outer side of the first half gear 7 abuts against the inner wall of the first inner groove 6, and the first half gear 7 can rotate inside the second inner groove 9. The second half gear 8 abuts against the inner wall of the second inner groove 9, and the second half gear 8 can rotate inside the second inner groove 9. The inner walls of the first half gear 7 and the second half gear 8 are close to the outer side of the tube body 3, effectively rotating the position of the tube body 3. Two sets of transmission gears 10 are provided, and the two sets of transmission gears 10 are symmetrically fixed on the outer side of the long shaft 11, effectively providing stable driving for the position of the tube body 3.

[0022] like Figure 1 and Figure 4As shown, a plate 19 is fixedly installed inside the base box 1. An external pipe 20 is fixedly connected to the plate 19, and the other end of the external pipe 20 is fixedly connected to an external fan. An air outlet 21 is opened on the outer side of the plate 19. A collection box 22 is set below the plate 19 and is inserted into an opening slot 23 on the base box 1. Through the plate 19, during the welding of the pipe component 3, the external fan can deliver air into the plate 19 through the external pipe 20 and finally spray it upward from the air outlet 21, thereby cooling the welded joint of the pipe component 3. The collection box 22 can collect the falling debris for subsequent transfer. The air outlet 21 is evenly distributed on the outer side of the plate 19. The plate 19 has an arc shape so that the debris falls into the collection box 22 for collection.

[0023] This utility model provides a welding fixture for stainless steel butt-welding pipe fittings, the specific working principle of which is as follows:

[0024] In use, the tube 3 is placed on the base 2, and its position is adjusted left and right. Then, the hinge 5 allows the sleeve 4 to be fitted onto the outside of the tube 3. Bolts 18 engage with the inside of the fixing plate 17, thus tightly connecting the base 2 and the sleeve 4. During this process, half-gear 7 and half-gear 8 are tightly fitted onto the outside of the tube 3, thereby positioning the tube 3. During welding of the tube 3, the long shaft 11 is driven by the servo motor 12. The rotation allows the transmission gear 10 to drive the rotation of half gear 7 and half gear 8 respectively. A magnet 14 is provided to effectively prevent half gear 7 from falling off. During the welding of the pipe body 3, an external fan delivers air through the external pipe 20 into the plate 19, and finally sprays it upwards from the air outlet 21, thereby cooling the welded area of ​​the pipe body 3. A collection box 22 is provided to collect falling debris for subsequent transfer.

[0025] 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 stainless steel butt welded pipe fitting welding fixture, characterized by: Includes a base box (1), a base (2) is fixedly installed on the top of the base box (1), a tubular component (3) is placed on the base (2), a sleeve plate (4) is sleeved on the outside of the tubular component (3), the base (2) and the sleeve plate (4) are rotatably connected by a hinge (5), the base (2) and the sleeve plate (4) are connected by a fastener, an inner groove (6) is opened on the inner wall of the sleeve plate (4), a half gear (7) is inserted inside the inner groove (6), a half gear (8) abuts against the outside of the half gear (7), the half gear (8) is inserted into the inner groove (9), the inner groove (9) is opened on the inner wall of the base (2). The outer side of the second half gear (8) is meshed with a transmission gear (10). A long shaft (11) is fixedly installed on the transmission gear (10). The long shaft (11) is fixedly connected to the end of the shaft on the servo motor (12). The servo motor (12) is fixedly installed on the outer side of the base (2). Grooves (13) are provided on the inner walls of the first half gear (7) and the second half gear (8), and on the outer sides of the first inner groove (6) and the second inner groove (9). A magnet block (14) is fixedly installed inside the groove (13). An opening groove (15) is provided on the outer side of the sleeve plate (4). An internal groove (16) is provided on the inner walls of the base (2) and the sleeve plate (4).

2. A stainless steel butt welded pipe fitting welding jig as claimed in claim 1, wherein: The fastener includes two fixing plates (17), which are respectively fixed on the outer side of the base (2) and the sleeve plate (4), and are connected by bolts (18).

3. A stainless steel butt welded pipe fitting welding jig as claimed in claim 2, wherein: The bolt (18) has anti-slip patterns on its outer side, and the anti-slip patterns are evenly distributed on the outer side of the bolt (18). The threads that mesh between the two fixing plates (17) and the bolt (18) are fine-pitch threads.

4. A stainless steel butt welded pipe fitting welding jig as claimed in claim 1, wherein: The outer side of the first half gear (7) abuts against the inner wall of the first inner groove (6). The first half gear (7) can rotate inside the second inner groove (9). The second half gear (8) abuts against the inner wall of the second inner groove (9). The second half gear (8) can rotate inside the second inner groove (9). The inner walls of the first half gear (7) and the second half gear (8) are in close contact with the outer side of the tube body (3).

5. A stainless steel butt welded pipe fitting welding fixture as claimed in claim 1, wherein: The transmission gears (10) are provided in two sets, and the two sets of transmission gears (10) are symmetrically fixed on the outside of the long shaft (11).

6. A stainless steel butt welded pipe fitting welding jig as claimed in claim 1, wherein: A plate (19) is fixedly installed inside the bottom box (1). An external pipe (20) is fixedly connected to the plate (19). The other end of the external pipe (20) is fixedly connected to an external fan. An air outlet (21) is opened on the outer side of the plate (19). A collection box (22) is provided below the plate (19). The collection box (22) is inserted into the opening slot (23). The opening slot (23) is opened on the bottom box (1).

7. A stainless steel butt welded pipe fitting welding jig as claimed in claim 6, wherein: The air outlets (21) are evenly distributed on the outer side of the plate (19), and the plate (19) has an arc shape.

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