WO2018103075A1 - Cmt-based metal welding forming system and method - Google Patents
Cmt-based metal welding forming system and method Download PDFInfo
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- WO2018103075A1 WO2018103075A1 PCT/CN2016/109233 CN2016109233W WO2018103075A1 WO 2018103075 A1 WO2018103075 A1 WO 2018103075A1 CN 2016109233 W CN2016109233 W CN 2016109233W WO 2018103075 A1 WO2018103075 A1 WO 2018103075A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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Abstract
Provided is a CMT-based metal welding forming system, said system comprising a welding industrial personal computer (1), used for controlling a welding mechanism (4) and welding wire feeder (3) connected to an entire welding forming apparatus; the welding wire feeder (3) is arranged between a welding head and a welding drive arm (2), and the welding industrial personal computer (1) is connected to a control panel (5). The invention also relates to a CMT-based metal welding forming method, comprising five steps: placing a workpiece to be processed, the CMT welding forming system analyzing the shape of the processing metal, an inference engine encoding and setting a work track, the welding mechanism welding along the track, and comparison and correction of the welding process. The shape of the desired weld is entered into the industrial personal computer by means of an image capture card and an optical sensor; database analysis is performed by means of the CMT welding forming system in the industrial personal computer, and a track forming analysis code is set by means of the inference engine program, controlling the welding work of the welding mechanism; thus it is ensured that the shape of the weld metal conforms to actual requirements, and a wire-push apparatus and servo wire-draw apparatus in the welding mechanism are used to control the forward-feed and return of the weld wire, achieving closed-loop thermal control.
Description
本发明涉及焊接成形技术领域，具体为一种基于CMT的金属焊接成形系统和方法。The invention relates to the field of welding forming technology, in particular to a metal welding forming system and method based on CMT.
金属焊接快速成形技术是一种将金属焊接技术与快速成形离散堆积原理结合起来的快速成形技术，通过三维实体扫描或直接建模获得目标零件的三维CAD实体模型，将模型沿某一坐标方向按一定的厚度进行分层切片处理，然后由焊接电弧将金属丝材熔化，按既定的成形路径堆积成形每一薄层，层层堆积最终形成三维实体零件的先进制造技术。金属焊接快速成形技术相比于目前的快速成形技术具有制造成本低、生产效率高、制造形式灵活、零件性能好等优势。在快速成形制造与再制造方面有着广阔的应用前景，目前金属焊接快速成形技术研究的还不够深入，在实际应用方面中仍有不少问题。在工艺方面，焊接成形件的成形精度低，表面质量差，粗糙度较大，工艺不稳定。Metal welding rapid prototyping technology is a rapid prototyping technology that combines metal welding technology with rapid prototyping discrete stacking principle. The 3D CAD solid model of the target part is obtained by 3D solid scanning or direct modeling, and the model is pressed in a certain coordinate direction. A certain thickness is subjected to stratified slicing, and then the wire is melted by a welding arc, and each thin layer is stacked and formed according to a predetermined forming path, and the layers are stacked to finally form an advanced manufacturing technique of three-dimensional solid parts. Compared with the current rapid prototyping technology, the metal welding rapid prototyping technology has the advantages of low manufacturing cost, high production efficiency, flexible manufacturing form, and good component performance. It has broad application prospects in rapid prototyping manufacturing and remanufacturing. At present, the research on metal welding rapid prototyping technology is not deep enough, and there are still many problems in practical application. In terms of technology, the forming precision of the welded formed parts is low, the surface quality is poor, the roughness is large, and the process is unstable.
发明内容Summary of the invention
本发明的目的在于提供一种基于CMT的金属焊接成形系统和方法，以解决上述背景技术中提出的问题。It is an object of the present invention to provide a CMT-based metal welding forming system and method to solve the problems set forth above in the background art.
为实现上述目的，本发明提供如下技术方案：一种基于CMT的金属焊接成形系统，该系统包括焊接工控机，且焊接工控机与操控面板连接，所述焊接工控机用于控制连接整个焊接成形装置中的焊接机构和焊丝缓冲器；In order to achieve the above object, the present invention provides the following technical solution: a CMT-based metal welding forming system, the system includes a welding industrial computer, and the welding industrial computer is connected with a control panel, and the welding industrial computer is used for controlling the connection of the entire welding forming machine. Welding mechanism and wire buffer in the device;
所述焊接工控机内部设有CMT焊接成形系统，且CMT焊接成形系统包括数据库和推理机，焊接工控机控制连接CMT焊接成形系统，所述焊接机构包括CMT焊接装置、焊枪和图像采集卡，CMT焊接装置控制连接焊接驱动臂，所述焊枪设置在焊接驱动臂的端部，且焊枪上设有正对金属焊接加工台的摄像
机，摄像机与图像采集卡连接。The welding industrial control machine is internally provided with a CMT welding forming system, and the CMT welding forming system comprises a database and an inference engine, and the welding industrial computer controls the connection CMT welding forming system, the welding mechanism comprises a CMT welding device, a welding gun and an image acquisition card, CMT The welding device controls the connection of the welding driving arm, the welding gun is disposed at the end of the welding driving arm, and the welding gun is provided with the camera facing the metal welding processing table
The camera is connected to the image capture card.
优选的，所述数据库中录有金属形状数据，所述推理机包括可编程序机构。Preferably, the database is recorded with metal shape data, and the inference engine includes a programmable mechanism.
优选的，所述焊接工控机、CMT焊接成形系统以及焊接机构组合成回路。Preferably, the welding industrial machine, the CMT welding forming system and the welding mechanism are combined into a circuit.
优选的，所述焊枪上设有推丝装置和伺服拉丝装置，且推丝装置和伺服拉丝装置均受CMT焊接成形系统控制。Preferably, the welding gun is provided with a wire pushing device and a servo wire drawing device, and the wire pushing device and the servo wire drawing device are both controlled by the CMT welding forming system.
优选的，所述焊丝缓冲器设置在焊枪与焊接驱动臂之间。Preferably, the wire buffer is disposed between the welding torch and the welding drive arm.
一种基于CMT的金属焊接成形方法，该方法包括以下步骤：A CMT-based metal welding forming method, the method comprising the following steps:
S1：将所需焊接金属置于金属焊接加工台上；S1: placing the required welding metal on the metal welding processing table;
S2：通过操控面板控制选择金属加工的形状，在CMT焊接成形系统数据库中进行对比分析；S2: Selecting the shape of the metal processing through the control panel, and performing comparative analysis in the CMT welding forming system database;
S3：将对比后的数据信息传递给推理机，推理机根据金属形状自动生成该形状的轨道代码，然后将得到的信息反馈给CMT焊接成形系统；S3: transmitting the compared data information to the inference engine, the inference engine automatically generates the orbit code of the shape according to the metal shape, and then feeding back the obtained information to the CMT welding forming system;
S4：CMT焊接成形系统再通过工控机将信息反馈给焊接机构，其中焊枪将按照编码程序所设定的轨道进行移动焊接；S4: The CMT welding forming system feeds back information to the welding mechanism through the industrial computer, wherein the welding gun will be moved and welded according to the track set by the coding program;
S5：利用图像采集卡和光视学传感器及时反馈金属焊接形状信息，保证焊接过程稳定。S5: The image acquisition card and the optical inspection sensor are used to timely feed back the metal welding shape information to ensure the welding process is stable.
与现有技术相比，本发明的有益效果是：本发明将图像采集卡与光视学传感器将金属所要焊接的形状录入工控机内，通过工控机内的CMT焊接成形系统进行数据库分析，将轨道成形分析代码通过推理机编设，从而控制焊接机构进行焊接工作，保证焊接金属的形状与实际相符，利用焊接机构中设置的推丝装置和伺服拉丝装置控制焊丝的前送和回抽，达到闭环冷热控制。Compared with the prior art, the beneficial effects of the present invention are: the invention records the shape to be welded by the image acquisition card and the optical inspection sensor into the industrial computer, and performs database analysis through the CMT welding forming system in the industrial computer. The orbital forming analysis code is programmed by the inference engine to control the welding mechanism to perform the welding work, to ensure that the shape of the welding metal conforms to the actual situation, and the wire feeding device and the servo wire drawing device provided in the welding mechanism are used to control the feeding and retracting of the welding wire to achieve Closed loop hot and cold control.
图1为本发明成形系统框图；Figure 1 is a block diagram of a forming system of the present invention;
图2为本发明焊接成形机构结构示意图；
2 is a schematic structural view of a welding forming mechanism of the present invention;
图3为本发明焊接成形系统闭环控制框图。3 is a block diagram of a closed loop control of a welding forming system of the present invention.
图中：1焊接工控机、2焊接驱动臂、3焊丝缓冲器、4焊接机构、5操控面板。In the figure: 1 welding industrial computer, 2 welding drive arm, 3 wire buffer, 4 welding mechanism, 5 control panel.
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
现有技术中CMT焊与传统的MIG/MAG焊相比有三个明显的不同，主要体现在系统的控制方式、焊接波形、波形组合。对于CMT焊机的控制原理在此不赘述，主要阐述控制金属成形的焊接系统和方法。Compared with the traditional MIG/MAG welding, CMT welding in the prior art has three distinct differences, mainly reflected in the system control mode, welding waveform and waveform combination. The control principle of the CMT welder will not be described here, and the welding system and method for controlling metal forming are mainly described.
请参阅图1-3，本发明提供一种技术方案：一种基于CMT的金属焊接成形系统，该系统包括焊接工控机1，且焊接工控机1与操控面板5连接，焊接工控机1用于控制连接整个焊接成形装置中的焊接机构4和焊丝缓冲器3，焊丝缓冲器3设置在焊枪与焊接驱动臂之间；Referring to FIG. 1-3, the present invention provides a technical solution: a metal welding forming system based on CMT, the system includes a welding industrial computer 1, and the welding industrial computer 1 is connected with the control panel 5, and the welding industrial computer 1 is used for Controlling the welding mechanism 4 and the wire buffer 3 in the entire welding forming device, and the wire buffer 3 is disposed between the welding torch and the welding driving arm;
焊接工控机1内部设有CMT焊接成形系统，且CMT焊接成形系统包括数据库和推理机，数据库中录有金属形状数据，推理机包括可编程序机构，焊接工控机1控制连接CMT焊接成形系统，焊接工控机1、CMT焊接成形系统以及焊接机构4组合成回路，焊接机构4包括CMT焊接装置、焊枪和图像采集卡，CMT焊接装置控制连接焊接驱动臂，焊枪设置在焊接驱动臂的端部，焊枪上设有推丝装置和伺服拉丝装置，且推丝装置和伺服拉丝装置均受CMT焊接成形系统控制，且焊枪上设有正对金属焊接加工台的摄像机，摄像机与图像采集卡连接。The welding industrial control machine 1 is internally provided with a CMT welding forming system, and the CMT welding forming system includes a database and an inference engine. The database contains metal shape data, the inference engine includes a programmable mechanism, and the welding industrial computer 1 controls the connection of the CMT welding forming system. The welding industrial computer 1, the CMT welding forming system and the welding mechanism 4 are combined into a circuit. The welding mechanism 4 includes a CMT welding device, a welding gun and an image acquisition card. The CMT welding device controls the connection welding driving arm, and the welding gun is disposed at the end of the welding driving arm. The welding gun is provided with a wire pushing device and a servo wire drawing device, and the wire pushing device and the servo wire drawing device are both controlled by the CMT welding forming system, and the welding gun is provided with a camera facing the metal welding processing table, and the camera is connected with the image capturing card.
该金属焊接成形方法包括以下步骤：The metal welding forming method comprises the following steps:
S1：将所需焊接金属置于金属焊接加工台上；
S1: placing the required welding metal on the metal welding processing table;
S2：通过操控面板控制选择金属加工的形状，在CMT焊接成形系统数据库中进行对比分析；S2: Selecting the shape of the metal processing through the control panel, and performing comparative analysis in the CMT welding forming system database;
S3：将对比后的数据信息传递给推理机，推理机根据金属形状自动生成该形状的轨道代码，然后将得到的信息反馈给CMT焊接成形系统；S3: transmitting the compared data information to the inference engine, the inference engine automatically generates the orbit code of the shape according to the metal shape, and then feeding back the obtained information to the CMT welding forming system;
S4：CMT焊接成形系统再通过工控机将信息反馈给焊接机构，其中焊枪将按照编码程序所设定的轨道进行移动焊接；S4: The CMT welding forming system feeds back information to the welding mechanism through the industrial computer, wherein the welding gun will be moved and welded according to the track set by the coding program;
S5：利用图像采集卡和光视学传感器及时反馈金属焊接形状信息，保证焊接过程稳定。S5: The image acquisition card and the optical inspection sensor are used to timely feed back the metal welding shape information to ensure the welding process is stable.
本发明将图像采集卡与光视学传感器将金属所要焊接的形状录入工控机内，通过工控机内的CMT焊接成形系统进行数据库分析，将轨道成形分析代码通过推理机编设，从而控制焊接机构4进行焊接工作，保证焊接金属的形状与实际相符，利用焊接机构4中设置的推丝装置和伺服拉丝装置控制焊丝的前送和回抽，达到闭环冷热控制。The invention captures the shape to be welded by the image acquisition card and the optical inspection sensor into the industrial computer, performs database analysis through the CMT welding forming system in the industrial control machine, and arranges the orbit forming analysis code through the inference engine to control the welding mechanism. 4 The welding work is carried out to ensure that the shape of the welding metal conforms to the actual situation, and the wire feeding device and the servo wire drawing device provided in the welding mechanism 4 are used to control the forward feeding and the back pumping of the welding wire to achieve the closed loop cold heat control.
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。
While the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art The scope of the invention is defined by the appended claims and their equivalents.
Claims (6)
- 一种基于CMT的金属焊接成形系统，其特征在于：该系统包括焊接工控机(1)，且焊接工控机(1)与操控面板(5)连接，所述焊接工控机(1)用于控制连接整个焊接成形装置中的焊接机构(4)和焊丝缓冲器(3)；A metal welding forming system based on CMT, characterized in that the system comprises a welding industrial computer (1), and the welding industrial computer (1) is connected with a control panel (5), and the welding industrial computer (1) is used for control Connecting the welding mechanism (4) and the wire buffer (3) in the entire welding forming device;所述焊接工控机(1)内部设有CMT焊接成形系统，且CMT焊接成形系统包括数据库和推理机，焊接工控机(1)控制连接CMT焊接成形系统，所述焊接机构(4)包括CMT焊接装置、焊枪和图像采集卡，CMT焊接装置控制连接焊接驱动臂，所述焊枪设置在焊接驱动臂的端部，且焊枪上设有正对金属焊接加工台的摄像机，摄像机与图像采集卡连接。The welding industrial computer (1) is internally provided with a CMT welding forming system, and the CMT welding forming system includes a database and an inference engine. The welding industrial computer (1) controls the connection CMT welding forming system, and the welding mechanism (4) includes CMT welding. The device, the welding gun and the image acquisition card, the CMT welding device controls the connection welding driving arm, the welding gun is disposed at the end of the welding driving arm, and the welding gun is provided with a camera facing the metal welding processing table, and the camera is connected with the image capturing card.
- 根据权利要求1所述的一种基于CMT的金属焊接成形系统，其特征在于：所述数据库中录有金属形状数据，所述推理机包括可编程序机构。A CMT-based metal welding forming system according to claim 1, wherein said database contains metal shape data, and said inference engine includes a programmable mechanism.
- 根据权利要求1所述的一种基于CMT的金属焊接成形系统，其特征在于：所述焊接工控机(1)、CMT焊接成形系统以及焊接机构(4)组合成回路。A CMT-based metal welding forming system according to claim 1, characterized in that the welding industrial machine (1), the CMT welding forming system and the welding mechanism (4) are combined into a circuit.
- 根据权利要求1所述的一种基于CMT的金属焊接成形系统，其特征在于：所述焊枪上设有推丝装置和伺服拉丝装置，且推丝装置和伺服拉丝装置均受CMT焊接成形系统控制。A CMT-based metal welding forming system according to claim 1, wherein said welding gun is provided with a wire pushing device and a servo wire drawing device, and the wire pushing device and the servo wire drawing device are both controlled by a CMT welding forming system. .
- 根据权利要求1所述的一种基于CMT的金属焊接成形系统，其特征在于：所述焊丝缓冲器(3)设置在焊枪与焊接驱动臂之间。A CMT-based metal welding forming system according to claim 1, wherein said wire buffer (3) is disposed between the welding torch and the welding drive arm.
- 一种如权利要求1-5所述的基于CMT的金属焊接成形方法，其特征在于，该金属焊接成形方法包括以下步骤：A CMT-based metal welding forming method according to any of claims 1-5, wherein the metal welding forming method comprises the following steps:S1：将所需焊接金属置于金属焊接加工台上；S1: placing the required welding metal on the metal welding processing table;S2：通过操控面板控制选择金属加工的形状，在CMT焊接成形系统数据库中进行对比分析；S2: Selecting the shape of the metal processing through the control panel, and performing comparative analysis in the CMT welding forming system database;S3：将对比后的数据信息传递给推理机，推理机根据金属形状自动生成该形状的轨道代码，然后将得到的信息反馈给CMT焊接成形系统；S3: transmitting the compared data information to the inference engine, the inference engine automatically generates the orbit code of the shape according to the metal shape, and then feeding back the obtained information to the CMT welding forming system;S4：CMT焊接成形系统再通过工控机将信息反馈给焊接机构，其中焊枪将 按照编码程序所设定的轨道进行移动焊接；S4: The CMT welding forming system feeds the information back to the welding mechanism through the industrial computer, wherein the welding torch will Mobile welding according to the track set by the coding program;S5：利用图像采集卡和光视学传感器及时反馈金属焊接形状信息，保证焊接过程稳定。 S5: The image acquisition card and the optical inspection sensor are used to timely feed back the metal welding shape information to ensure the welding process is stable.
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