Welding platform and control method thereof for realizing rapid positioning of welding balls by using guide plates

Abstract

The present invention relates to a welding platform and a control method thereof for realizing rapid positioning of welding balls by using a guide plate, and belongs to the field of welding ball welding technology, including a frame, a welding ball is arranged at the upper end of the frame, a height adjustment frame is arranged between the welding ball and the frame, an active mechanism for movably contacting the welding ball is arranged at the left end of the welding ball, a driven mechanism for movably contacting the welding ball is arranged at the right end of the welding ball, longitudinal displacement cylinders are arranged between the driven mechanism and the frame, and between the active mechanism and the frame, and a weld axial guide plate mechanism is arranged at the front and rear ends of the welding ball. It has the characteristics of simple structure, good operation stability and high efficiency. It solves the problem of difficulty in clamping and welding the ball. It improves work efficiency and product quality.

Description

Technical Field

[0001] The invention relates to the technical field of welding ball welding, and in particular to a welding platform and a control method thereof for realizing rapid positioning of welding balls by using a guide plate. Background Art

[0002] The welded hollow spherical node is a connection node formed by welding two hot stamped steel hemispheres with or without ribs into a hollow spherical node. During welding, the sphere moves axially, and the welding gun is located at the top of the sphere for flat welding. In order to keep the weld pool in a horizontal position during the welding process, the sphere must rotate in a straight axial direction, but the sphere is an arc surface in all directions. It is difficult to clamp the sphere to the rotating device and fix the weld axial direction, which takes a lot of time. Summary of the invention

[0003] The present invention mainly solves the shortcomings of poor operating stability and low efficiency in the prior art, and provides a welding platform and a control method thereof for realizing rapid positioning of welding balls by using a guide plate, which has the characteristics of simple structure, good operating stability and high efficiency. The problem of difficulty in clamping and welding the ball is solved, and the work efficiency and product quality are improved.

[0004] The above technical problems of the present invention are mainly solved by the following technical solutions:

[0005] A welding platform that uses a guide plate to quickly position a welding ball comprises a frame, a welding ball is arranged at the upper end of the frame, a height adjustment frame is arranged between the welding ball and the frame, an active mechanism that is movably in contact with the welding ball is arranged at the left end of the welding ball, a driven mechanism that is movably in contact with the welding ball is arranged at the right end of the welding ball, longitudinal displacement cylinders are arranged between the driven mechanism and the frame and between the active mechanism and the frame, and weld axial guide plate mechanisms are arranged at the front and rear ends of the welding ball.

[0006] Preferably, the weld axial guide plate mechanism comprises a pair of weld axial axis guide plates located at the front and rear ends of the welding ball, a guide plate base is provided between the weld axial axis guide plate and the frame, and an axial cylinder is provided at the rear end of the weld axial axis guide plate and is bolted to the guide plate base.

[0007] Preferably, a slide rail movably inserted into the weld axial axis guide plate is provided between the weld axial axis guide plate and the guide plate base.

[0008] Preferably, a hydraulic station is provided on the side of the frame, and oil pipes are provided between the hydraulic station and the longitudinal displacement cylinder, between the hydraulic station and the axial cylinder, and between the hydraulic station and the height adjustment frame.

[0009] Preferably, the frame is provided with a control box which is electrically connected with the active mechanism and the hydraulic station respectively.

[0010] Preferably, the height adjustment frame comprises a lower base plate, a height adjustment support plate is provided between the lower base plate and the welding ball, and a height adjustment oil cylinder connected to an oil pipe is provided between the height adjustment support plate and the lower base plate.

[0011] Preferably, a plurality of guide columns are provided on the periphery of the height adjustment oil cylinder, which are distributed in an annular manner with equal intervals and extend out of a height adjustment support plate.

[0012] Preferably, the active mechanism comprises a servo motor, the driven mechanism comprises a driven box, a transmission shaft is provided between the driven box and the welding ball, and between the servo motor and the welding ball, a reduction box is provided between the servo motor and the transmission shaft, and a plurality of clamps are provided between the transmission shaft and the welding ball.

[0013] Preferably, the control method of the welding platform for realizing rapid positioning of welding balls by using the guide plate comprises the following steps:

[0014] Step 1: Open the height adjustment cylinder on the height adjustment frame to raise the height adjustment support plate to the desired position.

[0015] Step 2: According to the different diameters of welding balls, adjust the position of the weld axial shaft guide plate, hoist the welding ball to the position above the weld axial shaft guide plate and slowly drop it. During the falling process, the wedge surface of the weld axial shaft guide plate is inserted into the weld groove of the welding ball to achieve the correction effect, so that the welds are in the same straight line, and the welding ball falls onto the round tube of the height adjustment support plate.

[0016] Step 3: Use the longitudinal displacement cylinder to adjust the spacing between the active mechanism and the driven mechanism until the clamps on both sides are clamped in place, stop and lock.

[0017] Step 4: Control the axial cylinder to move the weld axial shaft guide plate away to a point where it does not affect the welding position.

[0018] Step 5: Lower the height adjustment frame.

[0019] Step 6: According to the welding parameters, start the servo motor of the active mechanism, then the welding ball starts to rotate to achieve automatic welding.

[0020] Step 7: After welding is completed, lift the height adjustment frame to hold the welding ball, and then release the clamps on both sides.

[0021] Step 8: Lift the welding ball down from the platform and repeat the steps 1 to 7.

[0022] The present invention can achieve the following effects:

[0023] The present invention provides a welding platform and a control method thereof for realizing rapid positioning of welding balls by using a guide plate. Compared with the prior art, the platform has the characteristics of simple structure, good operation stability and high efficiency. The problem of difficulty in clamping and welding the ball is solved, and the work efficiency and product quality are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 It is a structural explosion diagram of the present invention.

[0026] Figure 3 It is a structural schematic diagram of the weld axial guide plate mechanism in the present invention.

[0027] In the figure: frame 1, active mechanism 2, welding ball 3, weld axial guide plate mechanism 4, control box 5, height adjustment frame 6, driven mechanism 7, oil pipe 8, hydraulic station 9, longitudinal displacement cylinder 10, servo motor 11, reduction box 12, transmission shaft 13, clamping jaw 14, driven box 15, height adjustment support plate 16, guide column 17, height adjustment cylinder 18, lower base plate 19, axial cylinder 20, weld axial shaft guide plate 21, slide rail 22, guide plate base 23. DETAILED DESCRIPTION

[0028] The technical solution of the invention is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0029] Example: Figure 1 , Figure 2 and Figure 3As shown, a welding platform for realizing rapid positioning of welding balls by using guide plates comprises a frame 1, a hydraulic station 9 is arranged on the side of the frame 1, and oil pipes 8 are arranged between the hydraulic station 9 and the longitudinal displacement cylinder 10, between the hydraulic station 9 and the axial cylinder 20, and between the hydraulic station 9 and the height adjustment frame 6. A control box 5 is arranged on the frame 1, which is connected to the active mechanism 2 and the hydraulic station 9 in phase circuits. A welding ball 3 is arranged on the upper end of the frame 1, and a height adjustment frame 6 is arranged between the welding ball 3 and the frame 1. The height adjustment frame 6 comprises a lower bottom plate 19, a height adjustment support plate 16 is arranged between the lower bottom plate 19 and the welding ball 3, and a height adjustment oil cylinder 18 connected to the oil pipe 8 is arranged between the height adjustment support plate 16 and the lower bottom plate 19. Four guide columns 17 are arranged on the periphery of the height adjustment oil cylinder 18, which are distributed in an annular manner with equal spacing and extend from the height adjustment support plate 16. The left end of the welding ball 3 is provided with an active mechanism 2 that is in active contact with the welding ball 3, and the right end of the welding ball 3 is provided with a driven mechanism 7 that is in active contact with the welding ball 3. A longitudinal displacement oil cylinder 10 is provided between the driven mechanism 7 and the frame 1, and between the active mechanism 2 and the frame 1. The active mechanism 2 includes a servo motor 11, and the driven mechanism 7 includes a driven box 15. A transmission shaft 13 is provided between the driven box 15 and the welding ball 3, and between the servo motor 11 and the welding ball 3. A reduction box 12 is provided between the servo motor 11 and the transmission shaft 13. Three clamps 14 are provided between the transmission shaft 13 and the welding ball 3. The front and rear ends of the welding ball 3 are provided with a weld axial guide plate mechanism 4. The weld axial guide plate mechanism 4 includes a pair of weld axial shaft guide plates 21 located at the front and rear ends of the welding ball 3, a guide plate base 23 is provided between the weld axial shaft guide plate 21 and the frame 1, and an axial oil cylinder 20 bolted to the guide plate base 23 is provided at the rear end of the weld axial shaft guide plate 21. A slide rail 22 movably inserted into the weld axial axis guide plate 21 is provided between the weld axial axis guide plate 21 and the guide plate base 23 .

[0030] The welding platform and control method thereof for realizing rapid positioning of welding balls by using a guide plate include the following operation steps:

[0031] The first step: opening the height adjustment cylinder 18 on the height adjustment frame 6 to raise the height adjustment support plate 16 to the desired position.

[0032] Step 2: According to the different diameters of the welding ball 3, adjust the position of the weld axial shaft guide plate 21, hoist the welding ball 3 to the position above the weld axial shaft guide plate 21 and slowly drop it. During the falling process, the wedge surface of the weld axial shaft guide plate 21 is inserted into the weld groove of the welding ball 3 to achieve the correction effect, so that the welds are in the same straight line, and the welding ball 3 falls on the round tube of the height adjustment support plate 6.

[0033] Step 3: Use the longitudinal displacement cylinder 10 to adjust the spacing position between the active mechanism 2 and the driven mechanism 7 until the clamping claws 14 on both sides are clamped in place and then stopped and locked.

[0034] Step 4: Control the axial oil cylinder 20 to move the weld axial shaft guide plate 21 to a position that does not affect the welding position.

[0035] Step 5: Lower the height adjustment frame 6.

[0036] Step 6: According to the welding parameters, the servo motor 11 of the active mechanism 2 is started, and the welding ball 3 starts to rotate, thereby realizing automatic welding.

[0037] Step 7: After welding is completed, the height adjustment frame 6 is lifted to hold the welding ball 3, and then the clamping claws 14 on both sides are released.

[0038] Step 8: Lift the welding ball 3 off the platform and repeat the operations from step 1 to step 7.

[0039] In summary, the welding platform and control method thereof for realizing rapid positioning of welding balls by using guide plates have the characteristics of simple structure, good operation stability and high efficiency. The problem of difficulty in clamping and welding the balls is solved, and work efficiency and product quality are improved.

[0040] The above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A control method for a welding platform that uses a guide plate to achieve rapid positioning of a welding ball, the welding platform that uses a guide plate to achieve rapid positioning of a welding ball comprises a frame (1), characterized in that: A welding ball (3) is provided at the upper end of the frame (1), a height adjustment frame (6) is provided between the welding ball (3) and the frame (1), an active mechanism (2) movably contacting with the welding ball (3) is provided at the left end of the welding ball (3), a driven mechanism (7) movably contacting with the welding ball (3) is provided at the right end of the welding ball (3), longitudinal displacement cylinders (10) are provided between the driven mechanism (7) and the frame (1), and between the active mechanism (2) and the frame (1), and weld axial guide plate mechanisms (4) are provided at the front and rear ends of the welding ball (3); the weld axial guide plate mechanism (4) includes a pair of weld axial shaft guide plates (21) located at the front and rear ends of the welding ball (3), a guide plate base (23) is provided between the weld axial shaft guide plate (21) and the frame (1), and an axial cylinder (20) is provided at the rear end of the weld axial shaft guide plate (21) and is bolted to the guide plate base (23); The active mechanism (2) includes a servo motor (11), the driven mechanism (7) includes a driven box (15), a transmission shaft (13) is provided between the driven box (15) and the welding ball (3), and between the servo motor (11) and the welding ball (3), a reduction box (12) is provided between the servo motor (11) and the transmission shaft (13), and a plurality of clamping claws (14) are provided between the transmission shaft (13) and the welding ball (3); A hydraulic station (9) is provided on the side of the frame (1); oil pipes (8) are provided between the hydraulic station (9) and the longitudinal displacement cylinder (10), between the hydraulic station (9) and the axial cylinder (20), and between the hydraulic station (9) and the height adjustment frame (6); the height adjustment frame (6) comprises a lower base plate (19); a height adjustment support plate (16) is provided between the lower base plate (19) and the welding ball (3); a height adjustment cylinder (18) connected to the oil pipe (8) is provided between the height adjustment support plate (16) and the lower base plate (19); and a plurality of guide columns (17) are provided on the periphery of the height adjustment cylinder (18) and are distributed in an annular manner at equal intervals and extend from the height adjustment support plate (16); The control method of the welding platform includes the following steps: Step 1: Open the height adjustment cylinder (18) on the height adjustment frame (6) to raise the height adjustment support plate (16) to the desired position; Step 2: According to the different diameters of the welding balls (3), the position of the welding seam axial axis guide plate (21) is adjusted, and the welding ball (3) is hoisted to a position above the welding seam axial axis guide plate (21) and slowly dropped. During the dropping process, the wedge-shaped surface of the welding seam axial axis guide plate (21) is inserted into the welding seam groove of the welding ball (3) to achieve a correction effect, so that the welding seams are in the same straight line, and the welding ball (3) falls onto the round tube of the height adjustment support plate (16); Step 3: Use the longitudinal displacement cylinder (10) to adjust the spacing between the active mechanism (2) and the driven mechanism (7) until the clamping claws (14) on both sides are clamped in place and then stopped and locked; Step 4: Control the axial oil cylinder (20) to move the weld axial shaft guide plate (21) to a position that does not affect the welding; Step 5: Lower the height adjustment frame (6); Step 6: According to the welding parameters, the servo motor (11) of the active mechanism (2) is started, and the welding ball (3) starts to rotate, thereby realizing automatic welding; Step 7: After welding is completed, lift the height adjustment frame (6) to hold the welding ball (3), and then release the clamping claws (14) on both sides; Step 8: Lift the welding ball (3) off the platform and repeat the steps 1 to 7.

2. The control method of a welding platform for realizing rapid positioning of welding balls by using a guide plate according to claim 1, characterized in that: A slide rail (22) movably inserted into the weld axial axis guide plate (21) is provided between the weld axial axis guide plate (21) and the guide plate base (23).

3. The control method of a welding platform for realizing rapid positioning of welding balls by using a guide plate according to claim 1, characterized in that: The frame (1) is provided with a control box (5) which is respectively connected to the active mechanism (2) and the hydraulic station (9) in electrical circuits.

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