Full-automatic welding method for open machine body
By adopting a fully automatic welding method in the welding body welding, and using the cooperation of welding robots and L-type indexing machines, the problems of traditional welding efficiency and uncontrollable quality are solved, efficient and stable welding effects are achieved, and costs are reduced.
Patent Information
- Application Number
- CN202411396957.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-02-25
AI Technical Summary
The welding of traditional machines has problems such as low efficiency, harsh working environment, and uncontrollable welding quality, resulting in long welding time, high cost and unstable quality.
A fully automatic welding method for open-body body is adopted. The welding robot and the L-type indexing machine cooperate to achieve welding of the open-body body by moving and rotating the three-dimensional trusses, and the welding robot is collected and the weld bevel information is automatically programmed to ensure welding quality.
The welding efficiency is improved by about 50%, ensuring the stability of welding quality, reducing welding waiting time, and reducing welding cost.
Smart Images
Figure CN119501414A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a fully automatic welding method for an open machine body, belonging to the technical field of structural parts welding. Background Art
[0002] As one of the key parts of the press and the main force-bearing component of the press, the welding quality of the press body plays an important role in ensuring the stamping accuracy and precision maintenance of the press.
[0003] Traditionally, the welding of fuselages is usually done by manual welding or semi-automatic welding, which has defects such as low efficiency, poor working environment, and uncontrollable welding quality. As a result, the quality of the welded fuselage cannot be guaranteed, and the welding time is long and the cost is high, which needs to be improved. Summary of the invention
[0004] The present invention aims to solve the above-mentioned defects and to provide a fully automatic welding method for an open machine body with high automation, high efficiency and effective guarantee of welding quality.
[0005] To this end, the technical solution adopted by the present invention is: a fully automatic welding method for an open machine body, which is carried out according to the following steps: 1) Operate at the welding robot control station (8) to move the three-dimensional truss Y axis (12), the three-dimensional truss Z axis (7) and the welding robot (5) to a safe position, lift the open machine body (2) onto the plane rotating table of the L-shaped transfer machine (1) by means of a crane, and connect and fix the open machine body (2) and the plane rotating table through process holes; 2) operating the welding robot control station (8), the L-shaped transfer machine (1) vertically rotates 90 degrees, the welding robot (5) rotates itself and moves up and down, left and right, and forward and backward with the three-dimensional truss Y axis (12) and the three-dimensional truss Z axis (7) to scan the weld seam to be welded on the front of the split body (2) and collect groove information, the L-shaped transfer machine rotates vertically 90 degrees in turn, and scans the weld seam to be welded at each position of the split body in turn to collect groove information; 3) Based on the collected weld groove information, automatic programming is performed on the welding robot control station (8) to formulate a welding strategy. After the welding program is compiled, a test is performed to check whether there is any interference during the operation of the welding robot (5), and timely adjustments are made; 4) After the test, the automatic welding program is started, the welding robot (5) starts welding, the wire drum (10) continuously and stably feeds the wire, the welding robot fills the weld, and performs multi-layer and multi-pass welding. During the welding process, the L-shaped transfer machine rotates horizontally and vertically to complete the welding of welds at different positions.
[0006] The advantages of the present invention are: by using this kind of fully automatic welding method for an open body, the shortcomings of traditional manual welding, such as slow efficiency, poor working environment, and uncontrollable welding quality, are improved, and the welding robot solution with an L-shaped positioner can complete 90% of the welding workload in one clamping, and the welding robot can perform long-term welding operations for 16-20 hours, and can maintain stable welding quality under appropriate welding parameters, which can improve the welding efficiency by about 50%. In addition, compared with the method of ordinary three-dimensional truss welding robots, the L-shaped positioner has horizontal and vertical rotation functions, and the workpiece can also rotate 360°. The welding work in all states can be completed without manual turning over, and the welding accessibility is high, which reduces the welding waiting time. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Figure 1 It is a structural schematic diagram of the present invention.
[0008] Figure 2 for Figure 1 Side view of.
[0009] Figure 3 It is a stereogram of the present invention.
[0010] In the figure, 1 is an L-type transfer machine, 2 is an open machine body, 3 is a three-dimensional truss column, 4 is a three-dimensional truss X-axis, 5 is a welding robot, 6 is a dust collection hood, 7 is a three-dimensional truss Z-axis, 8 is a welding robot control station, 9 is a welding power source, 10 is a welding wire drum, 11 is a smoke treatment station, and 12 is a three-dimensional truss Y-axis. DETAILED DESCRIPTION
[0011] A fully automatic welding method for an open machine body is performed according to the following steps: the three-dimensional truss Y axis 12, the three-dimensional truss Z axis 7 and the welding robot 5 are moved to a safe position at the welding robot control station 8, the open machine body 2 is lifted by a crane to the plane rotating table of an L-shaped indexing machine 1, and is connected and fixed through the process holes on the open machine body 2 and the plane rotating table.
[0012] Operate the welding robot control station 8, the L-shaped transfer machine 1 rotates vertically 90°, the welding robot 5 rotates itself and moves up, down, left, right, front and back of the three-dimensional truss Y-axis 12 and the three-dimensional truss Z-axis 7 to scan the weld to be welded on the front of the open body 2 and collect the groove information, the L-shaped transfer machine rotates vertically 90° in turn, scans the weld to be welded at various positions of the open body in turn, and collects the groove information.
[0013] According to the collected weld groove information, automatic programming is performed on the welding robot control station 8 to formulate a welding strategy (welding pass sequence, quantity, current, voltage, welding position change, etc.). After the welding program is compiled, a test is carried out to check whether there is any interference during the operation of the welding robot 5, and timely adjustments are made.
[0014] After the test is completed without any problems, the automatic welding program is started, the welding robot 5 begins welding, the wire drum 10 continues to feed the wire steadily, the welding robot fills the weld, and performs multi-layer and multi-pass welding. During the welding process, the L-shaped indexing machine rotates horizontally and vertically to complete the welding of welds at different positions.
[0015] The present invention improves the shortcomings of traditional manual welding, such as slow efficiency, bad working environment, and uncontrollable welding quality, by using this open-type body full-automatic welding method. Moreover, the welding robot solution with an L-type positioner can complete 90% of the welding workload in one clamping, and the welding robot can perform long-term welding operations for 16-20 hours, maintain stable welding quality under appropriate welding parameters, and improve welding efficiency by about 50%. In addition, compared with the method of ordinary three-dimensional truss welding robots, the L-type positioner has horizontal and vertical rotation functions, and the workpiece can also rotate 360°. The welding work in all states can be completed without manual turning over, and the welding accessibility is high, which reduces the welding waiting time.
[0016] The present invention is further described below for a better understanding of the present invention: the present invention enables the welding robot 5 to move in three dimensions through the mutual cooperation of the three-dimensional truss X-axis 4, the three-dimensional truss Z-axis 7 and the three-dimensional truss Y-axis 12, and at the same time, the welding robot 5 can rotate in any direction, so that the welding robot 5 of the present invention achieves six degrees of freedom and expands its welding range; the present invention achieves the rotation of the open body 2 through the vertical rotation of the L-shaped transfer machine 1 and the horizontal rotation of the open body 2, so that the welding robot 5 can weld at any position of the open body 2 through the above-mentioned structure, and the range and flexibility of welding are achieved, so that the welding equipment of the present invention can adapt to the welding of open bodies 2 of various specifications and reduce the welding cost.
Claims
1. A fully automatic welding method for an open machine body, characterized in that: Follow these steps: 1) Operate at the welding robot control station (8) to move the three-dimensional truss Y axis (12), the three-dimensional truss Z axis (7) and the welding robot (5) to a safe position, lift the open machine body (2) onto the plane rotating table of the L-shaped transfer machine (1) by means of a crane, and connect and fix the open machine body (2) and the plane rotating table through process holes; 2) operating the welding robot control station (8), the L-shaped transfer machine (1) vertically rotates 90 degrees, the welding robot (5) rotates itself and moves up and down, left and right, and forward and backward with the three-dimensional truss Y axis (12) and the three-dimensional truss Z axis (7) to scan the weld seam to be welded on the front of the split body (2) and collect groove information, the L-shaped transfer machine rotates vertically 90 degrees in turn, and scans the weld seam to be welded at each position of the split body in turn to collect groove information; 3) Based on the collected weld groove information, automatic programming is performed on the welding robot control station (8) to formulate a welding strategy. After the welding program is compiled, a test is performed to check whether there is any interference during the operation of the welding robot (5), and timely adjustments are made; 4) After the test, the automatic welding program is started, the welding robot (5) starts welding, the wire drum (10) continuously and stably feeds the wire, the welding robot fills the weld, and performs multi-layer and multi-pass welding. During the welding process, the L-shaped transfer machine rotates horizontally and vertically to complete the welding of welds at different positions.