A fully automatic welding device for pipe fittings
By designing a fully automatic welding device, the positioning cylinder and welding mechanism are used to automatically adjust the welding position and angle, the problems of poor welding accuracy and manual fixing are solved, and efficient and accurate pipe fitting welding is achieved.
Patent Information
- Application Number
- CN202210223896.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-03-09
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2042-03-09
AI Technical Summary
When welding pipe fittings, the welding accuracy is poor because the pipe fittings are easy to roll or rotate. The existing technology requires manual fixation, and the manual welding accuracy is low, which cannot meet the requirements of high accuracy.
A fully automatic welding device is designed, including a bracket, an adjustment frame, a welding mechanism and a positioning mechanism. By positioning the cylinder, the translation plate is driven to move, the assembly is clamped to fix the pipe fittings, the cylinder is driven to rotate the adjustment frame, and the welding mechanism is automatically adjusted to adjust the welding position and angle. , realize automatic welding of pipe fittings.
It realizes high-precision welding, saves labor, improves welding efficiency, avoids pipe fitting displacement, and is suitable for pipe fittings with different processing needs.
Smart Images
Figure CN114434035B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of pipe fitting welding equipment and relates to a full-automatic welding device for pipe fittings. Background Art
[0002] Welding, also known as fusion welding, is a manufacturing process and technology that uses heating, high temperature or high pressure to join metals or other thermoplastic materials such as plastics. When welding pipe fittings, since pipe fittings are easy to roll or rotate, relative displacement is easy to occur when welding with sheet metal parts, resulting in poor welding accuracy. When welding pipe fittings, two people are required to weld, one to fix the pipe fitting and the other to weld. However, manual fixing is prone to displacement of pipe fittings, resulting in deviation of welding position, and manual welding has low accuracy, and cannot weld pipe fittings with high accuracy requirements. Summary of the invention
[0003] The purpose of the present invention is to address the above problems in the existing technology and to propose a fully automatic welding device for pipe fittings that can be used for fixed welding of pipe fittings. The device has high welding accuracy, simple structure, convenient operation, labor saving, and greatly improved welding efficiency.
[0004] The object of the present invention can be achieved through the following technical solutions: a fully automatic welding device for pipe fittings, comprising a bracket, an adjusting frame, a welding mechanism, and a positioning mechanism, wherein both ends of the adjusting frame have rotating shafts and are rotatably connected to the bracket through the rotating shafts, characterized in that the positioning mechanism comprises a clamping assembly, an adjusting seat, and a clamping block, a cross bar is fixed in the adjusting frame, positioning cylinders are respectively fixed on both sides of the cross bar, the telescopic rod of the positioning cylinder is connected to a translation plate, sliders are provided at both ends of the translation plate, and the inner walls on both sides of the adjusting frame have slide rails for the sliders to be embedded, the translation plate moves along the slide rails, and the translation plate has a side close to the cross bar. There are two protruding fixed blocks, the top of the fixed block is provided with a slide groove, and a vertically arranged bolt is embedded in the slide groove. The adjusting seat is provided with a through hole for the bolt to pass through, and the adjusting seat is locked on the fixed block by bolts and nuts. The clamping block is fixed on the top of the fixed block and is located at the front end of the adjusting seat. The clamping assembly is fixed on the top of the adjusting seat. The clamping assembly cooperates with the clamping block to clamp and fix the pipe fitting. An adjusting gear is fixed on the end of the rotating shaft of the adjusting frame, and an adjusting cylinder is provided on the bracket. The telescopic rod of the adjusting cylinder is connected to a rack meshing with the adjusting gear, and the welding mechanism is rotatably connected to the bracket and is located above the adjusting frame.
[0005] The present invention is provided with an adjusting frame, a clamping assembly, an adjusting cylinder, a positioning cylinder, and a translation plate. The positioning cylinder drives the translation plate to move, thereby driving the clamping assembly and the pipe fitting to abut against each other, and the pipe fitting is fixed by adjusting the clamping assembly to avoid displacement of the pipe fitting during welding, thereby improving welding efficiency. No manual fixation is required, labor is saved, and work efficiency is improved. The adjusting cylinder drives the adjusting frame to rotate relative to the bracket to change the welding position, thereby facilitating welding at various angles and further improving welding efficiency.
[0006] Furthermore, the welding mechanism includes a driving shaft, a movable seat, a welding cylinder, and a welding gun, the driving shaft is rotatably connected to the bracket, the movable seat is provided with a sliding hole, the movable seat is slidably connected to the driving shaft through the sliding hole, the driving shaft is provided with a synchronous groove along the axial direction, the sliding hole has a convex strip protruding and embedded in the synchronous groove, the welding cylinder is fixed to the movable seat, the front end of the telescopic rod of the welding cylinder is connected to a mounting plate, the welding gun is fixed to the mounting plate, one end of the driving shaft passes through the bracket and is connected to a driven gear, a motor is fixed on the left side of the bracket, the output shaft of the motor is connected to a driving gear meshing with the driven gear, an annular block is sleeved on the driving shaft, the annular block is fixedly connected to one side of the movable seat, an annular groove is provided on the annular block, a pushing cylinder is fixed on the right side of the bracket, the front end of the push rod of the pushing cylinder is embedded in the annular groove, the front end of the push rod is provided with a groove, and one side of the annular block is fixed with a positioning plate embedded in the groove.
[0007] The present invention realizes automatic welding of pipe fittings by setting up a welding mechanism, which saves labor and improves work efficiency. The welding mechanism of the present invention is provided with a driving shaft, a movable seat, a welding cylinder, a welding gun, a motor, and a pushing cylinder. The lateral position of the welding is changed by starting the pushing cylinder to change the position of the movable seat, and the welding gun is driven to move by the welding cylinder to change the welding distance with the pipe fitting, so that the welding is more accurate and the welding efficiency is improved.
[0008] Furthermore, the clamping assembly includes a clamping seat, a lever, a turning handle, and a limiting rod. The clamping seat is fixed on the adjustment seat, the turning handle is hinged on the clamping seat, one end of the lever passes through the turning handle and is hinged on the clamping seat, the other end of the lever is connected to the clamping claw by a bolt, one end of the limiting rod is hinged in the turning handle, and the other end is hinged to the lever.
[0009] Turning the handle drives the lever to rotate around the clamping seat, and the lever can drive the clamping claw to clamp or loosen the pipe. When the handle is turned to drive the clamping claw to clamp the pipe, the limit rod clamps the lever. When the handle is turned to drive the clamping claw to loosen the pipe, the limit rod is separated from the lever.
[0010] Furthermore, one side of the clamping seat has a protruding limit block, and one side of the turning handle can abut against the upper surface of the limit block.
[0011] Furthermore, the clamping claw is L-shaped.
[0012] Furthermore, the positioning plate is annular, the diameter of the positioning plate is larger than the diameter of the inner ring of the annular groove, and the diameter of the positioning plate is smaller than the diameter of the outer ring of the annular groove.
[0013] Furthermore, two adjustment seats, two clamping blocks, and two clamping assemblies are fixed on the translation plate.
[0014] Compared with the prior art, the advantages of the present invention are:
[0015] 1. The present invention realizes the fixation of the pipe fitting during welding by setting a positioning mechanism, which does not require manual fixation, saves labor and improves welding quality.
[0016] 2. The present invention is provided with a clamping assembly and an adjusting seat. By adjusting the position of the adjusting seat, the position of the clamping assembly is changed, and the welding angle of the pipe fitting is changed, which can be suitable for pipe fittings with different processing requirements.
[0017] 3. The present invention is provided with a moving shaft, a moving seat, a welding cylinder, a motor, a welding gun, and a pushing cylinder. The moving seat is driven to move by the pushing cylinder to change the horizontal welding position of the welding pipe fitting. The moving seat is driven to rotate by the motor to change the angle of the welding gun relative to the welding point. The welding cylinder is driven to move the welding gun to change the distance between the welding gun and the pipe fitting. No manual adjustment is required, the degree of automation is high, and the welding efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the fully automatic welding device for pipe fittings of the present invention.
[0019] Figure 2 It is a left-side structural schematic diagram of the fully automatic welding device for pipe fittings of the present invention.
[0020] Figure 3 It is a right side structural schematic diagram of the fully automatic welding device for pipe fittings of the present invention.
[0021] Figure 4 It is a zoomed view of position A of the fully automatic welding device for pipe fittings of the present invention.
[0022] Figure 5 It is a structural schematic diagram of the welding mechanism of the full-automatic welding device for pipe fittings of the present invention.
[0023] In the figure, 1, bracket; 2, adjustment frame; 3, adjustment seat; 4, clamping block; 5, cross bar; 6, positioning cylinder; 7, translation plate; 8, slider; 9, slide rail; 10, fixed block; 11, slide groove; 12, limit block; 13, adjustment gear; 14, adjustment cylinder; 15, drive shaft; 16, moving seat; 17, welding cylinder; 18, welding gun; 19, slide hole; 20, synchronization groove; 21, convex strip; 22, mounting plate; 23, driven gear; 24, motor; 25, driving gear; 26, annular block; 27, annular groove; 28, pushing cylinder; 29, push rod; 30, groove; 31, positioning plate; 32, clamping seat; 33, lever; 34, turning handle; 35, limit rod; 36, clamping claw; 37, rack. DETAILED DESCRIPTION
[0024] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0025] like Figure 1 , 2 As shown in Figure 4, the fully automatic welding device of the pipe fitting comprises a bracket 1, an adjusting frame 2, a welding mechanism, and a positioning mechanism. Both ends of the adjusting frame 2 have rotating shafts and are rotatably connected to the bracket 1 through the rotating shafts. The positioning mechanism comprises a clamping assembly, an adjusting seat 3, and a clamping block 4. A cross bar 5 is fixed in the adjusting frame 2. Positioning cylinders 6 are respectively fixed on both sides of the cross bar 5. The telescopic rods of the positioning cylinders 6 are connected to a translation plate 7. Slide blocks 8 are provided at both ends of the translation plate 7. The inner walls of both sides of the adjusting frame 2 have slide rails 9 for the slide blocks 8 to be embedded. The translation plate 7 moves along the slide rails 9. The translation plate 7 has two protruding fixed blocks 10 on the side close to the cross bar 5. The top of the fixed block 10 is provided with a slide groove 11. The slide groove 11 A vertically arranged bolt is embedded in the inner card, and a through hole for the bolt to pass through is opened on the adjusting seat 3. The adjusting seat 3 is locked on the fixed block 10 by bolts and nuts. The clamping block 4 is fixed on the top of the fixed block 10 and is located at the front end of the adjusting seat 3. The clamping assembly is fixed on the top of the adjusting seat 3. The clamping assembly cooperates with the clamping block 4 to clamp and fix the pipe fitting. An adjusting gear 13 is fixed to the end of the rotating shaft of the adjusting frame 2, and an adjusting cylinder 14 is provided on the bracket 1. The telescopic rod of the adjusting cylinder 14 is connected to a rack 37 meshing with the adjusting gear 13. The welding mechanism is rotatably connected to the bracket 1 and is located above the adjusting frame 2. Two adjusting seats 3, two clamping blocks 4 and two clamping assemblies are fixed on the translation plate 7.
[0026] like Figure 3 , 5As shown, the welding mechanism includes a driving shaft 15, a moving seat 16, a welding cylinder 17, and a welding gun 18. The driving shaft 15 is rotatably connected to the bracket 1. The moving seat 16 has a sliding hole 19. The moving seat 16 is slidably connected to the driving shaft 15 through the sliding hole 19. A synchronous groove 20 is opened along the axial direction on the driving shaft 15. The sliding hole 19 has a protruding convex strip 21 embedded in the synchronous groove 20. The welding cylinder 17 is fixed on the moving seat 16. The front end of the telescopic rod of the welding cylinder 17 is connected to a mounting plate 22. The welding gun 18 is fixed to the mounting plate 22. One end of the driving shaft 15 passes through the bracket 1 and is connected to a driven gear 23. The left side of the bracket 1 is fixed There is a motor 24, the output shaft of the motor 24 is connected to a driving gear 25 meshing with the driven gear 23, the driving shaft 15 is sleeved with an annular block 26, the annular block 26 is fixedly connected to one side of the moving seat 16, an annular groove 27 is opened on the annular block 26, a pushing cylinder 28 is fixed on the right side of the bracket 1, the front end of the push rod 29 of the pushing cylinder 28 is embedded in the annular groove 27, the front end of the push rod 29 is opened with a groove 30, and a positioning plate 31 embedded in the groove 30 is fixed on one side of the annular block 26, the positioning plate 31 is annular, the diameter of the positioning plate 31 is larger than the diameter of the inner ring of the annular groove 27, and the diameter of the positioning plate 31 is smaller than the diameter of the outer ring of the annular groove 27.
[0027] like Figure 4 As shown, the clamping assembly includes a clamping seat 32, a lever 33, a turning handle 34, and a limiting rod 35. The clamping seat 32 is fixed on the adjustment seat 3, the turning handle 34 is hinged on the clamping seat 32, one end of the lever 33 passes through the turning handle 34 and is hinged on the clamping seat 32, the other end of the lever 33 is connected to a clamping claw 36 by bolts, one end of the limiting rod 35 is hinged in the turning handle 34, and the other end is hinged on the lever 33, one side of the clamping seat 32 has a protruding limiting block 12, one side of the turning handle 34 can be abutted against the upper surface of the limiting block 12, and the clamping claw 36 is L-shaped.
[0028] Specific operation method
[0029] Place the pipe fitting on the adjustment frame 2, adjust the distance between the adjustment seat 3 and the clamping block 4 according to actual processing requirements, so that the clamping claw 36 fixes the pipe fitting between the clamping claw 36 and the clamping block 4, drive the positioning cylinder 6 to drive the translation plate 7 to move, so that the pipe fittings are abutted against each other and fixed, drive the adjustment cylinder 14 to drive the adjustment frame 2 to rotate a certain angle according to actual processing requirements, drive the push cylinder 28 to drive the moving seat 16 to move to the welding position along the drive shaft 15 through the push rod 29, start the motor 24 to drive the driven gear 23 to rotate through the driving gear 25, and the driven gear 23 drives the moving seat 16 to rotate synchronously with the driving shaft 15, adjust the angle between the welding gun 18 and the welding position, drive the welding cylinder 17 to push the mounting plate 22, and adjust the distance between the welding gun 18 and the welding point to perform welding.
[0030] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
Claims
1. A fully automatic welding device for pipe fittings, comprising a support (1), an adjustment frame (2), a welding mechanism, and a positioning mechanism, wherein both ends of the adjustment frame (2) have a rotating shaft and are rotatably connected to the support (1) via the rotating shaft, characterized in that: The positioning mechanism comprises a clamping assembly, an adjustment seat (3), and a clamping block (4); a cross bar (5) is fixed inside the adjustment frame (2); positioning cylinders (6) are fixed on both sides of the cross bar (5); the telescopic rods of the positioning cylinders (6) are connected to a translation plate (7); both ends of the translation plate (7) have sliders (8); the inner walls of both sides of the adjustment frame (2) have slide rails (9) for the sliders (8) to be embedded; the translation plate (7) moves along the slide rails (9); the translation plate (7) has two protruding fixed blocks (10) on the side close to the cross bar (5); a slide groove (11) is formed on the top of the fixed block (10); a vertically arranged bolt is embedded in the slide groove (11); a through hole for the bolt to pass through is formed on the adjustment seat (3); and the adjustment seat (3) is locked on the fixing block (10) by bolts and nuts, the clamping block (4) is fixed on the top of the fixing block (10) and is located at the front end of the adjustment seat (3), the clamping assembly is fixed on the top of the adjustment seat (3), the clamping assembly cooperates with the clamping block (4) to clamp and fix the pipe fitting, an adjusting gear (13) is fixed to the end of the rotating shaft of the adjustment frame (2), an adjusting cylinder (14) is provided on the bracket (1), the telescopic rod of the adjusting cylinder (14) is connected to a rack meshing with the adjusting gear (13), the welding mechanism is rotatably connected to the bracket (1) and is located above the adjustment frame (2), the welding mechanism comprises a driving shaft (15), a movable seat (16), a welding cylinder (17), and a welding gun (18), the driving shaft (1 5) is rotatably connected to the bracket (1), the movable seat (16) is provided with a sliding hole (19), the movable seat (16) is slidably connected to the driving shaft (15) through the sliding hole (19), the driving shaft (15) is provided with a synchronous groove (20) along the axial direction, the sliding hole (19) has a protruding convex strip (21) embedded in the synchronous groove (20), the welding cylinder (17) is fixed to the movable seat (16), the front end of the telescopic rod of the welding cylinder (17) is connected to the mounting plate (22), the welding gun (18) is fixed to the mounting plate (22), one end of the driving shaft (15) passes through the bracket (1) and is connected to a driven gear (23), a motor (24) is fixed on the left side of the bracket (1), and the output shaft of the motor (24) A driving gear (25) meshing with a driven gear (23) is connected, an annular block (26) is sleeved on the driving shaft (15), the annular block (26) is fixedly connected to one side of the moving seat (16), an annular groove (27) is formed on the annular block (26), a pushing cylinder (28) is fixed on the right side of the bracket (1), a front end of a push rod (29) of the pushing cylinder (28) is embedded in the annular groove (27), a front end of the push rod (29) is embedded in the annular groove (30), a positioning plate (31) embedded in the groove (30) is fixed on one side of the annular block (26), the clamping assembly comprises a clamping seat (32), a lever (33), a turning handle (34), and a limiting rod (35), the clamping seat (32) is fixed on the adjusting seat (3),The turning handle (34) is hinged on the clamping seat (32), one end of the lever (33) passes through the turning handle (34) and is hinged on the clamping seat (32), the other end of the lever (33) is connected to a clamping claw (36) by a bolt, one end of the limit rod (35) is hinged in the turning handle (34), and the other end is hinged on the lever (33), one side of the clamping seat (32) has a protruding limit block (12), one side of the turning handle (34) can be abutted against the upper surface of the limit block (12), the clamping claw (36) is L-shaped, the positioning plate (31) is annular, the diameter of the positioning plate (31) is larger than the diameter of the inner ring of the annular groove (27), and the diameter of the positioning plate (31) is smaller than the diameter of the outer ring of the annular groove (27), and two adjustment seats (3), two clamping blocks (4), and two clamping assemblies are fixed on the translation plate (7).