CN-121972774-A - Ship plate single-wire submerged-arc welding method, device, equipment and storage medium

CN121972774ACN 121972774 ACN121972774 ACN 121972774ACN-121972774-A

Abstract

The application discloses a ship plate single-wire submerged-arc welding method, a device, equipment and a storage medium, and relates to the technical field of submerged-arc welding; the method comprises the steps of preparing alloy powder according to alloy components, uniformly mixing the alloy powder with flux according to a preset mixing proportion to obtain a mixed material, drying/preheating the mixed material according to a preset temperature to obtain a dried/preheated mixed material, conveying the dried/preheated mixed material to a region to be welded of a ship plate according to a preset conveying speed, and driving a welding gun to perform welding operation in the region to be welded according to a preset welding speed until the welding gun moves to the tail end of the ship plate, and stopping the welding operation. The application obviously improves the deposition efficiency and the weld quality, and can improve the welding efficiency of the ship plate on the premise of not greatly increasing the cost of the ship plate submerged arc welding equipment and the material cost.

Inventors

ZENG WEIMIN
LI HUI
LIANG WEN
GUO QINGXIAN
HUANG XIAOFENG
XU BO
LIANG LIANG
LIU XUHUI
LIU NING
TANG YING
XIAO AIDA
ZHOU JIANFENG
YU TAO
YU QIANG

Assignees

湖南华菱涟源钢铁有限公司

Dates

Publication Date: 20260505
Application Date: 20260210

Claims (10)

1. A ship plate monofilament submerged arc welding method, characterized in that the method comprises the following steps: determining alloy components according to welding performance requirements of the ship plate; preparing alloy powder according to the alloy components; uniformly mixing the alloy powder and the flux according to a preset mixing proportion to obtain a mixed material; drying/preheating the mixed material according to a preset temperature to obtain a dried/preheated mixed material; conveying the dried/preheated mixture to a region to be welded of the ship plate according to a preset conveying speed; and driving the welding gun to perform welding operation in the to-be-welded area according to the preset welding speed until the welding gun moves to the tail end of the ship plate, and stopping the welding operation.
2. The method of claim 1, wherein the step of driving the welding gun at the preset welding speed to perform the welding operation in the region to be welded until the welding gun moves to the end of the ship plate, and stopping the welding operation comprises: planning a welding path of a welding gun according to the three-dimensional coordinate data of the area to be welded; leading the welding gun into a welding gun driving system according to the welding path and a preset welding speed; Starting the welding gun driving system to control the welding gun to move along the welding path to the to-be-welded area; When the welding gun reaches the initial coordinate of the to-be-welded area, sending a starting instruction to a welding power supply so as to enable the welding power supply to output an electric arc; controlling the welding gun to move along the welding path according to the preset welding speed, and synchronously conveying the mixed materials for welding; and when the welding gun moves to the termination coordinate of the tail end of the ship plate, sending a stop instruction to the welding power supply, closing the electric arc, and stopping welding operation.
3. The method of claim 1, wherein the step of determining the alloy composition based on the welding performance requirements of the ship plate comprises: analyzing the material parameters of the ship plate to obtain basic alloy elements required by ship plate welding; calculating the minimum content standard of each basic alloy element according to the preset mechanical property requirement of the welding seam; Retrieving an alloy element range which has no compatibility conflict with the material parameter and the welding flux component; And screening according to the basic alloy element, the minimum content standard and the alloy element range to obtain alloy components.
4. The method of claim 1, wherein the step of preparing an alloy powder from the alloy composition comprises: generating an alloy preparation instruction according to the alloy components; sending the alloy preparation instruction to an alloy smelting device so that the alloy smelting device can smelt according to the alloy components to obtain massive alloy; Controlling a crushing device to crush the massive alloy to obtain alloy crushed aggregates; the alloy crushed aggregates are led into a grinding device, and the grinding device is controlled to grind the alloy crushed aggregates according to preset grinding parameters, so that ground materials are obtained; and screening the ground material to separate particles with the particle size meeting the preset particle size standard, thereby obtaining alloy powder.
5. The method of claim 1, wherein the step of uniformly mixing the alloy powder with the flux in a predetermined mixing ratio to obtain a mixed material comprises: Acquiring the actual stock of the alloy powder and the actual stock of the welding flux; calculating the required consumption of the alloy powder and the welding flux according to a preset mixing proportion; controlling a feeding mechanism according to the required dosage to respectively extract the alloy powder and the welding flux, and guiding the alloy powder and the welding flux into a mixing device; Controlling the mixing device to mix the alloy powder and the welding flux according to a preset stirring rotating speed and a preset stirring time; in the mixing process, detecting the mixing uniformity of the materials in the mixing device, and generating uniformity detection data; and stopping the mixing device when the uniformity detection data reach a preset uniformity standard to obtain a mixed material.
6. The method of claim 1, wherein the step of drying/preheating the mixture according to a preset temperature to obtain the dried/preheated mixture comprises: According to the preset material tiling thickness, the mixed material is guided into the cavity of the drying/preheating device; Controlling the drying/preheating device to carry out drying/preheating treatment on the mixed materials according to a preset temperature; monitoring the actual temperature inside the cavity during the drying/preheating process; when the actual temperature deviates from the preset temperature, adjusting the heating power of the drying/preheating device to carry out temperature correction; After temperature correction is completed, maintaining the preset temperature, and performing constant-temperature treatment on the mixed material for a preset treatment duration; and after the preset treatment duration is reached, closing a heating program, and when the actual temperature is reduced to a preset safe temperature, leading out the dried/preheated mixture.
7. The method according to any one of claims 1 to 6, wherein the step of transferring the dried/preheated mixture to the area to be welded of the ship plate at a preset transfer speed comprises: The dried/preheated mixture is guided into a conveying bin and is connected with a conveying pipeline; Setting output parameters of a conveying pump so that the conveying speed of the conveying pump reaches a preset conveying speed; When the conveying speed of the conveying pump reaches the preset conveying speed, the conveying pump is started, and the dried/preheated mixed materials in the conveying bin are conveyed to the to-be-welded area of the ship plate through the conveying pipeline.
8. A ship plate monofilament submerged arc welding apparatus, characterized in that the apparatus comprises: the alloy component determining module is used for determining alloy components according to the welding performance requirements of the ship plate; the alloy powder preparation module is used for preparing alloy powder according to the alloy components; the material mixing module is used for uniformly mixing the alloy powder and the welding flux according to a preset mixing proportion to obtain a mixed material; the material drying module is used for drying/preheating the mixed material according to a preset temperature to obtain a dried/preheated mixed material; the material conveying module is used for conveying the dried/preheated mixed material to the area to be welded of the ship plate at a preset conveying speed; And the welding module is used for driving the welding gun to perform welding operation in the to-be-welded area according to the preset welding speed until the welding gun moves to the tail end of the ship plate, and stopping the welding operation.
9. A ship plate monofilament submerged arc welding apparatus, characterized in that the apparatus comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program being configured to carry out the steps of the ship plate monofilament submerged arc welding method according to any one of claims 1 to 7.
10. A storage medium, characterized in that the storage medium is a computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the ship plate mono-filament submerged arc welding method according to any one of claims 1 to 7.

Description

Ship plate single-wire submerged-arc welding method, device, equipment and storage medium Technical Field The application relates to the technical field of submerged arc welding, and more particularly to ship plate monofilament submerged arc welding methods, apparatus, devices and storage media. Background Currently, in order to improve the welding efficiency of ship plates, a multi-wire submerged arc welding technology (such as double-wire or triple-wire submerged arc welding) is commonly adopted in the industry. The method increases heat input and deposition rate by using a plurality of welding wires simultaneously, thereby realizing high-speed welding. In addition, some manufacturers have attempted to improve the efficiency of submerged arc monofilament welding by optimizing welding parameters (e.g., current, voltage, welding speed) or using high performance fluxes. However, the multi-wire submerged arc welding system has a complex structure, a plurality of wire feeding mechanisms, power supplies and control systems are required to be equipped, the equipment investment and maintenance cost are obviously increased, meanwhile, the arc interaction among the multiple wires easily causes unstable weld formation, and the requirements on operation and process control are higher. While the performance can be improved to a certain extent by simply adjusting the parameters of the traditional single-wire submerged arc welding or replacing high-price welding flux, the lifting range is limited, and the actual requirements of high-efficiency shipbuilding are difficult to meet. Therefore, how to improve the welding efficiency of the ship plate without greatly increasing the cost of the ship plate submerged arc welding equipment and materials is a problem to be solved. Disclosure of Invention The application aims to provide a ship plate single-wire submerged-arc welding method, device, equipment and storage medium, and aims to solve the technical problem of how to improve the ship plate welding efficiency on the premise of not greatly increasing the ship plate submerged-arc welding equipment and material cost. In order to achieve the above object, the present application provides a ship plate monofilament submerged arc welding method, which comprises: determining alloy components according to welding performance requirements of the ship plate; preparing alloy powder according to the alloy components; uniformly mixing the alloy powder and the flux according to a preset mixing proportion to obtain a mixed material; drying/preheating the mixed material according to a preset temperature to obtain a dried/preheated mixed material; conveying the dried/preheated mixture to a region to be welded of the ship plate according to a preset conveying speed; and driving the welding gun to perform welding operation in the to-be-welded area according to the preset welding speed until the welding gun moves to the tail end of the ship plate, and stopping the welding operation. In an embodiment, the step of driving the welding gun to perform welding operation in the to-be-welded area at a preset welding speed until the welding gun moves to the end of the ship plate, and stopping the welding operation includes: planning a welding path of a welding gun according to the three-dimensional coordinate data of the area to be welded; leading the welding gun into a welding gun driving system according to the welding path and a preset welding speed; Starting the welding gun driving system to control the welding gun to move along the welding path to the to-be-welded area; When the welding gun reaches the initial coordinate of the to-be-welded area, sending a starting instruction to a welding power supply so as to enable the welding power supply to output an electric arc; controlling the welding gun to move along the welding path according to the preset welding speed, and synchronously conveying the mixed materials for welding; and when the welding gun moves to the termination coordinate of the tail end of the ship plate, sending a stop instruction to the welding power supply, closing the electric arc, and stopping welding operation. In one embodiment, the step of determining the alloy composition according to the welding performance requirements of the ship plate comprises: analyzing the material parameters of the ship plate to obtain basic alloy elements required by ship plate welding; calculating the minimum content standard of each basic alloy element according to the preset mechanical property requirement of the welding seam; Retrieving an alloy element range which has no compatibility conflict with the material parameter and the welding flux component; And screening according to the basic alloy element, the minimum content standard and the alloy element range to obtain alloy components. In one embodiment, the step of preparing an alloy powder according to the alloy composition includes: generating an alloy preparation instruction according to th