Welding mechanism for inner hole welding of short pipe
By setting up a micro camera in the short tube inner hole welding device for full monitoring, and combining the servo motor, telescopic pipeline assembly and short tube fixing structure, the problem of difficult to ensure welding accuracy and firmness in the existing devices is solved, and higher welding accuracy and firmness are achieved.
Patent Information
- Application Number
- CN202421166259.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing pipe inner hole welding device is not convenient to monitor the inner hole welding during use, resulting in difficulty in ensuring welding accuracy and firmness.
A welding mechanism for welding and welding of short pipes is designed. The micro camera is installed for full monitoring, and combined with servo motors, telescopic pipeline components and short pipe fixing structures, ensuring the accuracy and firmness of the welding process.
Through the full monitoring of the micro camera, the accuracy and firmness of welding are improved, the practical performance of the device is enhanced, and the relative displacement of the short pipes is prevented from being welded through the short pipe fixing structure, ensuring the accuracy of welding.
Smart Images
Figure CN222588628U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of short pipe welding, in particular to a welding mechanism for inner hole welding of a short pipe. Background Art
[0002] Steel pipes are not only used to transport fluids and powdered solids, exchange heat, and manufacture mechanical parts and containers, but they are also an economical steel material. Using steel pipes to manufacture building structure grids, pillars, and mechanical supports can reduce weight, save 20-40% of metal, and realize factory-based mechanized construction. Using steel pipes to manufacture highway bridges can not only save steel and simplify construction, but also greatly reduce the area of protective coating, saving investment and maintenance costs, so steel pipes have been widely used.
[0003] At present, in the process of processing steel pipe structures, it is often necessary to perform welding operations on several short pipes, and some of them require welding operations on the inner holes of the short pipes. At this time, a pipe inner hole welding device is used. Due to the small diameter of the pipe, the existing pipe inner hole welding device is not convenient for monitoring the inner hole welding during use, and thus cannot effectively improve the accuracy of welding. Therefore, it is necessary to design a new type of pipe inner hole welding device with monitoring function to solve the above problems. Summary of the invention
[0004] In order to solve the above problems, the utility model designs a welding mechanism for inner hole welding of a short tube. The micro camera provided can monitor the whole welding process, thus ensuring the accuracy and firmness of the welding and increasing the practical performance.
[0005] In order to solve the above-mentioned technical problems, the utility model provides a welding mechanism for short tube inner hole welding, which is characterized in that it includes a mounting plate, a servo motor, a telescopic pipe assembly, a short tube fixing structure, a guide rod, a welding head and a miniature camera. Two guide rods are fixed on one end face of the mounting plate, and the two guide rods are arranged in parallel. Two short tube fixing structures are arranged, and the two short tube fixing structures are connected to the two guide rods in sequence through a position adjustment mechanism. The servo motor is mounted on the other end face of the mounting plate, and the output shaft of the servo motor passes through the mounting plate and is connected to one end of the telescopic pipe assembly. The telescopic pipe assembly is arranged parallel to the guide rod, and the welding head is fixed on the other end of the telescopic pipe assembly. The miniature camera is also connected to the end of the telescopic pipe assembly away from the mounting plate through a mounting frame.
[0006] Further: The short tube fixing structure includes an annular fixing plate, a clamping electric cylinder and an arc-shaped clamping plate, and a clamping electric cylinder is installed on each of the front and rear sides of the annular fixing plate. The output shafts of the clamping electric cylinders on both sides extend from the two sides of the annular fixing plate into the interior thereof and are each connected to an arc-shaped clamping plate. A connecting cylinder is provided at one end of the arc-shaped clamping plate facing the output shaft of the clamping electric cylinder, and the output shaft of the clamping electric cylinder extends into the connecting cylinder and is connected to it through a first spring.
[0007] Furthermore: the position adjustment mechanism includes two guide holes and a tightening bolt opened on the annular fixing plate, the guide rod passes through the annular fixing plate along the guide holes, and the upper and lower sides of the annular fixing plate are provided with first threaded holes at positions opposite to the guide holes, the first threaded hole matches the tightening bolt and is connected to the guide hole, the tightening bolt is connected to the first threaded hole and one end of the tightening bolt extends into the guide hole along the first threaded hole and contacts the guide rod, and the annular fixing plate is fixed to the guide rod by the friction between the tightening bolt and the guide rod.
[0008] Furthermore: the telescopic pipe assembly includes a guide cylinder, a telescopic rod and an adjusting bolt, the output shaft of the servo motor is connected to one end of the guide cylinder, one end of the telescopic rod extends into the interior of the guide cylinder along the other end of the guide cylinder, the welding head and the micro camera are arranged on the other end of the telescopic rod, a second threaded hole is provided on the outer wall of the guide cylinder at one end connected to the telescopic rod, the second threaded hole matches the adjusting bolt, one end of the adjusting bolt extends into the guide cylinder along the second threaded hole and contacts with the telescopic rod, one end of the telescopic rod is fixed in the guide cylinder by the friction force between the adjusting bolt and the telescopic rod, a limiting convex strip is provided on the outer wall of the telescopic rod, a guide groove is provided on the inner wall of the guide cylinder relative to the position of the limiting convex strip, and a length mark is also provided on the outer wall of the telescopic rod.
[0009] Furthermore, a protective outer cover 12 is provided on one end of the guide cylinder away from the mounting plate, and the welding head and the micro camera are stored in the protective outer cover when welding is not required.
[0010] After adopting the above structure, the beneficial effects of the utility model are as follows:
[0011] 1. The utility model can monitor the whole process of welding by means of the micro camera, thus ensuring the accuracy and firmness of welding and increasing the practical performance.
[0012] 2. The utility model can fix the two short tubes to be welded by means of the two short tube fixing structures, which can not only effectively prevent the two short tubes from relative displacement during welding, but also ensure the accuracy of welding.
[0013] 3. The utility model can store the micro camera and the welding head in the protective outer cover when not in use, and the protective outer cover protects the micro camera and the welding head to prevent unnecessary damage. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0015] Figure 1 It is a structural schematic diagram of the utility model.
[0016] Figure 2 This is a structural diagram of the short tube fixing structure. DETAILED DESCRIPTION
[0017] like Figure 1 and Figure 2 The welding mechanism for inner hole welding of short tubes shown in the figure comprises a mounting plate 1, a servo motor 3, a telescopic pipe assembly, a short tube fixing structure 11, a guide rod 2, a welding head 8 and a micro camera 10. Two guide rods are fixed on one end face of the mounting plate, and the two guide rods are arranged in parallel. Two short tube fixing structures are provided, and the two short tube fixing structures are sequentially connected to the two guide rods through a position adjustment mechanism. The servo motor is mounted on the other end face of the mounting plate, and the output shaft of the servo motor passes through the mounting plate and is connected to one end of the telescopic pipe assembly. The telescopic pipe assembly is arranged in parallel with the guide rod, and the welding head is fixed on the other end of the telescopic pipe assembly. The micro camera is also connected to the end of the telescopic pipe assembly away from the mounting plate through a mounting frame 9. The utility model can monitor the whole process of welding through the micro camera provided, which ensures the accuracy and firmness of welding and plays a role in increasing practical performance.
[0018] like Figure 1 and Figure 2The short tube fixing structure shown includes an annular fixing plate 11-1, a clamping electric cylinder 11-4 and an arc-shaped clamping plate 11-6, wherein a clamping electric cylinder is installed on each of the front and rear sides of the annular fixing plate, and the output shafts of the clamping electric cylinders on both sides extend into the interior of the annular fixing plate from the two sides and are each connected to an arc-shaped clamping plate, and a connecting cylinder 11-5 is provided on one end of the arc-shaped clamping plate facing the output shaft of the clamping electric cylinder, and the output shaft of the clamping electric cylinder extends into the connecting cylinder and is connected to it through a first spring; the position adjustment mechanism includes two guide holes 11-2 and a tightening bolt 11-3 provided on the annular fixing plate, and the guide rod passes through the annular fixing plate along the guide holes, and first threaded holes are provided on the upper and lower sides of the annular fixing plate at positions opposite to the guide holes, and the first threaded hole matches the tightening bolt and is connected to the guide hole, and the tightening bolt is connected in the first threaded hole and one end of the tightening bolt extends into the guide hole along the first threaded hole and contacts with the guide rod, and the annular fixing plate is fixed to the guide rod by the friction between the tightening bolt and the guide rod. The utility model can fix the two short tubes to be welded by means of the two short tube fixing structures, which can not only effectively prevent the two short tubes from relative displacement during welding, but also ensure the accuracy of welding.
[0019] like Figure 1 The telescopic pipe assembly shown includes a guide cylinder 4, a telescopic rod 5 and an adjusting bolt 7. The output shaft of the servo motor is connected to one end of the guide cylinder, and one end of the telescopic rod extends into the interior of the guide cylinder along the other end of the guide cylinder. The welding head and the micro camera are arranged on the other end of the telescopic rod. A second threaded hole is provided on the outer wall of the guide cylinder at one end connected to the telescopic rod, and the second threaded hole matches the adjusting bolt. One end of the adjusting bolt extends into the guide cylinder along the second threaded hole and contacts with the telescopic rod. One end of the telescopic rod is fixed in the guide cylinder by the friction force between the adjusting bolt and the telescopic rod. A limiting convex strip 6 is provided on the outer wall of the telescopic rod, and a guide groove is provided on the inner wall of the guide cylinder relative to the position of the limiting convex strip. A length mark is also provided on the outer wall of the telescopic rod.
[0020] like Figure 1 The end of the guide cylinder far from the mounting plate is also provided with a protective outer cover 12, and the welding head and the micro camera are stored in the protective outer cover when welding is not needed. The utility model can store the micro camera and the welding head in the protective outer cover when not in use, and the micro camera and the welding head are protected by the protective outer cover to prevent unnecessary damage.
[0021] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should be regarded as the protection scope of the utility model.
Claims
1. A welding mechanism for inner hole welding of short tubes, characterized in that: The invention comprises a mounting plate (1), a servo motor (3), a telescopic pipe assembly, a short pipe fixing structure (11), a guide rod (2), a welding head (8) and a micro camera (10), wherein two guide rods are fixed on one end face of the mounting plate, the two guide rods are arranged in parallel, two short pipe fixing structures are arranged, the two short pipe fixing structures are connected to the two guide rods in sequence through a position adjustment mechanism, the servo motor is mounted on the other end face of the mounting plate, the output shaft of the servo motor passes through the mounting plate and is connected to one end of the telescopic pipe assembly, the telescopic pipe assembly is arranged in parallel with the guide rod, the welding head is fixed to the other end of the telescopic pipe assembly, and the micro camera is also connected to the end of the telescopic pipe assembly away from the mounting plate through a mounting frame (9).
2. A welding mechanism for inner hole welding of a short tube according to claim 1, characterized in that: The short tube fixing structure comprises an annular fixing plate (11-1), a clamping electric cylinder (11-4) and an arc-shaped clamping plate (11-6), wherein a clamping electric cylinder is installed on each of the front and rear sides of the annular fixing plate, and the output shafts of the clamping electric cylinders on both sides extend from the two sides of the annular fixing plate into the interior thereof and are each connected to an arc-shaped clamping plate, and a connecting cylinder (11-5) is provided at one end of the arc-shaped clamping plate facing the output shaft of the clamping electric cylinder, and the output shaft of the clamping electric cylinder extends into the connecting cylinder and is connected to the connecting cylinder via a first spring.
3. A welding mechanism for inner hole welding of a short tube according to claim 2, characterized in that: The position adjustment mechanism comprises two guide holes (11-2) and a tightening bolt (11-3) provided on the annular fixing plate, the guide rod passes through the annular fixing plate along the guide holes, first threaded holes are provided on the upper and lower sides of the annular fixing plate at positions opposite to the guide holes, the first threaded holes match the tightening bolts and are connected to the guide holes, the tightening bolts are connected in the first threaded holes and one end of the tightening bolts extends into the guide hole along the first threaded hole to contact the guide rod, and the annular fixing plate is fixed on the guide rod by the friction between the tightening bolts and the guide rod.
4. A welding mechanism for inner hole welding of a short tube according to claim 1, characterized in that: The telescopic pipe assembly comprises a guide cylinder (4), a telescopic rod (5) and an adjusting bolt (7), the output shaft of the servo motor is connected to one end of the guide cylinder, one end of the telescopic rod extends into the interior of the guide cylinder along the other end of the guide cylinder, the welding head and the micro camera are arranged on the other end of the telescopic rod, a second threaded hole is provided on the outer wall of the guide cylinder at one end connected to the telescopic rod, the second threaded hole matches the adjusting bolt, one end of the adjusting bolt extends into the guide cylinder along the second threaded hole and contacts the telescopic rod, one end of the telescopic rod is fixed in the guide cylinder by the friction force between the adjusting bolt and the telescopic rod, a limiting convex strip (6) is provided on the outer wall of the telescopic rod, a guide groove is provided on the inner wall of the guide cylinder relative to the position of the limiting convex strip, and a length mark is also provided on the outer wall of the telescopic rod.
5. A welding mechanism for inner hole welding of a short tube according to claim 4, characterized in that: A protective outer cover (12) is also provided on one end of the guide cylinder away from the mounting plate, and the welding head and the micro camera are stored in the protective outer cover when welding is not required.