CN112548440A - Welding workstation data acquisition system and welding workstation - Google Patents

Welding workstation data acquisition system and welding workstation Download PDF

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Publication number
CN112548440A
CN112548440A CN202011347072.5A CN202011347072A CN112548440A CN 112548440 A CN112548440 A CN 112548440A CN 202011347072 A CN202011347072 A CN 202011347072A CN 112548440 A CN112548440 A CN 112548440A
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China
Prior art keywords
welding
data information
station controller
data
robot
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CN202011347072.5A
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CN112548440B (en
Inventor
刘金龙
柳振国
闫伟男
曾宪友
高建
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Panasonic Welding Systems Tangshan Co Ltd
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Panasonic Welding Systems Tangshan Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • B23K37/0443Jigs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02Carriages for supporting the welding or cutting element
    • B23K37/0252Steering means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0461Welding tables
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The utility model provides a welding workstation data acquisition system and welding workstation belongs to welding technical field. The system comprises a robot data collector, a welding robot data acquisition unit and a welding robot data processing unit, wherein the robot data collector is used for collecting and outputting data information of the welding robot; the controller data collector is used for collecting and outputting data information of the working station controller; and the system server is used for receiving the welding robot data information output by the robot data collector and the working station controller data information output by the controller data collector, and correspondingly integrating the welding robot data information and the working station controller data information. The method corresponds the data information of the welding robot and the data information of the working station controller according to a certain principle, and realizes the corresponding integration of the two. In the welding operation, a welder can directly obtain an analysis result quickly according to the information after corresponding integration, and welding quality tracing and tool layout management of the whole welding workstation are facilitated.

Description

Welding workstation data acquisition system and welding workstation
Technical Field
The disclosure relates to the field of welding technology, and in particular relates to a welding workstation data acquisition system and a welding workstation.
Background
The welding workstation generally comprises a tool clamp, a welding robot, a workstation controller and the like, wherein the workstation controller controls and completes coordination control of the whole workstation. In the welding field, the welding robot data information and the work station controller data information are important data information for checking whether the welding work is normal or not. At present, the existing data acquisition system in a welding field can only be connected with a welding robot monomer (or a welding power supply) or can only be connected with a working station controller, and the data acquisition mode is difficult to meet the requirements of welding operation.
The above information disclosed in the background section is only for enhancement of understanding of the background of the present disclosure and therefore it may contain information that does not constitute prior art that is known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to provide a welding workstation data acquisition system corresponds the integration with welding robot data information and station controller data information, and in welding operation, welding personnel can be directly according to the information after corresponding the integration, obtains the analysis result fast, is convenient for realize tracing back and the management of frock overall arrangement to the welding quality of whole welding workstation, improves work efficiency. .
In order to achieve the purpose, the technical scheme adopted by the disclosure is as follows:
according to a first aspect of the present disclosure, there is provided a welding workstation data acquisition system comprising:
the robot data collector is used for collecting and outputting data information of the welding robot;
the controller data collector is used for collecting and outputting data information of the working station controller;
and the system server is used for receiving the welding robot data information output by the robot data collector and the working station controller data information output by the controller data collector, and correspondingly integrating the welding robot data information and the working station controller data information.
In an exemplary embodiment of the present disclosure, the system server includes:
the first receiving module is used for receiving and storing the welding robot data information;
the second receiving module is used for receiving and storing the data information of the working station controller;
and the integration module is used for correspondingly integrating the welding robot data information and the working station controller data information.
In an exemplary embodiment of the present disclosure, the integration module includes:
the preset unit is used for presetting the corresponding principle of the welding robot data information and the working station controller data information;
and the processing unit is used for correspondingly integrating the data information of the welding robot and the data information of the working station controller according to the corresponding principle.
In an exemplary embodiment of the present disclosure, the correspondence rule is to correspond a time axis of the welding robot data information with a time axis of the station controller data information.
In an exemplary embodiment of the present disclosure, the integration module further includes:
and the judging unit is used for comparing and analyzing the welding robot data information and the working station controller data information which are correspondingly integrated and outputting a comparison and analysis result.
In an exemplary embodiment of the present disclosure, the welding robot data information includes a teach program number and welding state information.
In an exemplary embodiment of the present disclosure, the station controller data information includes jig information and process information.
In an exemplary embodiment of the present disclosure, the robot data collector is communicatively connected to the welding robot, and the controller data collector is communicatively connected to the station controller.
In an exemplary embodiment of the present disclosure, the station controller is a PLC controller.
According to a first aspect of the present disclosure, there is provided a welding workstation comprising:
a welding robot, a tooling fixture, a station controller and a welding station data acquisition system as described in the first aspect.
The welding workstation data acquisition system comprises a robot data acquisition unit, a controller data acquisition unit and a system server. The robot data acquisition unit is used for acquiring data information of the welding robot and outputting the data information to the system server; the controller data collector is used for collecting data information of the working station controller and outputting the data information to the system server, and the system server is used for receiving the data information of the welding robot and the data information of the working station controller and correspondingly integrating the data information of the welding robot and the data information of the working station controller. In the method, the data information of the welding robot and the data information of the working station controller are combined and are corresponding according to a certain principle, so that the corresponding integration of the welding robot and the working station controller is realized. In the welding operation, the welder can directly obtain an analysis result quickly according to the information after corresponding integration, so that the welding quality tracing and tool layout management of the whole welding workstation are facilitated, and the working efficiency is improved.
Drawings
The above and other features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 is a schematic diagram of a welding workstation data acquisition system in an exemplary embodiment of the present disclosure;
FIG. 2 is a schematic diagram of an integrated module structure in an exemplary embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a welding workstation data acquisition system coupled to an existing welding workstation in an exemplary embodiment of the present disclosure.
The reference numerals of the main elements in the figures are explained as follows:
100-welding workstation data acquisition system; 110-robot data collector; 120-controller data collector; 130-a system server; 131-a first receiving module; 132-a second receiving module; 133-an integration module; 1331-preset unit; 1332-a processing unit; 1333-a determination unit.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure.
In the drawings, the thickness of regions and layers may be exaggerated for clarity. The same reference numerals denote the same or similar structures in the drawings, and thus detailed descriptions thereof will be omitted.
The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the embodiments of the disclosure can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring the primary technical ideas of the disclosure.
The terms "a," "an," "the," and the like are used to denote the presence of one or more elements/components/parts; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. The terms "first" and "second", etc. are used merely as labels, and are not limiting on the number of their objects.
In the related art, during the welding operation, a welder is usually required to perform corresponding analysis on data information of a welding robot and a station controller, so as to complete the welding operation and guarantee the welding quality. However, currently, the data information of the welding robot and the station controller in the existing welding workstation is divided and independent. Welding personnel usually need the manual work to go to carry out the analysis of integrating welding robot data information and the data information of welding station controller, when the welding product breaks down, the manual work carries out the one-to-one analysis to welding robot data information and the data information of station controller, and this process can consume a large amount of manual works and time cost, is not convenient for accomplish welding quality and traces back, reduces work efficiency, influences economic benefits.
As shown in fig. 1, the present disclosure provides a welding workstation data acquisition system 100 comprising:
a robot data collector 110 for collecting and outputting data information of the welding robot;
a controller data collector 120 for collecting and outputting data information of the station controller;
and the system server 130 is configured to receive the welding robot data information output by the robot data collector 110 and the station controller data information output by the controller data collector 120, and correspondingly integrate the welding robot data information and the station controller data information.
The welding workstation data acquisition system 100 provided by the present disclosure includes a robot data collector 110, a controller data collector 120, and a system server 130. The robot data collector 110 is configured to collect data information of the welding robot and output the data information to the system server 130; the controller data collector 120 is configured to collect data information of the station controller and output the data information to the system server 130, and the system server 130 is configured to receive data information of the welding robot and data information of the station controller and correspondingly integrate the two. In the method, the data information of the welding robot and the data information of the working station controller are combined and are corresponding according to a certain principle, so that the corresponding integration of the welding robot and the working station controller is realized. In the welding operation, the welder can directly obtain an analysis result quickly according to the information after corresponding integration, so that the welding quality tracing and tool layout management of the whole welding workstation are facilitated, and the working efficiency is improved.
The components of the welding workstation data acquisition system 100 provided by the embodiments of the present disclosure are described in detail below with reference to the attached drawings:
in some embodiments of the present disclosure, the robot data collector 110 is communicatively connected to the welding robot, specifically, the robot data collector may be connected to the welding robot through ethernet, RS422, or the like. In some embodiments of the present disclosure, the robot data collector 110 includes a communication unit for communicating with the welding robot. The robot data collector 110 further includes a storage unit for storing the collected welding robot data information. In particular implementations, the robot data collector 110 may include a variety of sensors for collecting different types of data information for the welding robot. For example, the robot data collector 110 may include an arc sensor, a vision sensor, an ultrasonic sensor, a speed sensor, and the like. The arc sensor is used for collecting welding current or welding voltage; the vision sensor is used for collecting welding images; the ultrasonic sensor is used for acquiring the position information of the welding robot; the speed sensor is used for acquiring the welding speed. It should be noted that uploading various units or sensors is only illustrative of the types of components that the robot data collector 110 of the present disclosure may include, and the robot data collector 110 provided by the present disclosure may include one or more of the above components, and may also include other components besides the above components.
In some embodiments of the present disclosure, the welding robot data information collected by the robot data collector 110 includes a teach program number and welding state information. The teaching program number is a program number corresponding to the welding program, and different teaching program numbers correspond to different welding programs. The existing welding workstation generally comprises a tool clamp, and different tool clamps correspond to different welding procedures. In the actual welding operation, the working station controller controls the welding robot to weld according to a certain teaching program number. The robot data collector 110 collects and stores teaching program numbers executed by the welding robot. The welding state information refers to data information representing various parameters in welding, including welding current, welding voltage, welding speed and the like. Further, the welding robot data information may further include welding robot state information such as an operation state, an operation mode, and position information of the welding robot.
In some embodiments of the present disclosure, the controller data collector 120 is communicatively connected to the station controller, and may specifically be connected through an ethernet or the like. In some embodiments of the present disclosure, the controller data collector 120 includes a communication unit for communicating with the station controller. The controller data collector 120 further comprises a storage unit for storing station controller data information.
In some embodiments of the present disclosure, the station controller is a PLC controller. In the related art, the existing welding workstation includes a tool fixture, a welding robot, a safety protection system, a station controller, and the like, and further includes a positioner or an external shaft. The working station controller is responsible for controlling welding parameters, controlling a welding robot, controlling an external shaft and the like, and coordinately controls the whole working station to complete welding operation. In some embodiments of the present disclosure, station controller data information includes fixture information and process information. The fixture information refers to relevant data information of the tooling fixture, such as a fixture number, a fixture name and the like. Different workstations may have different fixture numbers and fixture names. For example, the fixture name may be a blade welding fixture; end cover and elbow welding tooling; bellows, pipe welding frock etc.. The process information is specific welding process information and includes a process number, a process name, and the like. Different workstations or different welding products may have different procedure numbers and procedure names. The process name can comprise bellows and pipe welding; welding a pipe, a blade and a seat; partition plate and cylinder body welding, etc. It should be noted that the station controller data information may also include other data information related to the workstation, such as a workstation number and a station number, and the welding robot and the station controller in different workstations may be configured with different robot data collectors 110 and controller data collectors 120, respectively. As shown in fig. 3, the welding robot 1 in the welding station 1 and the welding robot 2 in the welding station 2 may be respectively configured with a robot data collector 110, and the station controller 1 in the welding station 1 and the station controller 2 in the welding station 2 may be respectively configured with a controller data collector 120. In addition, the station controller data information may also include data information about the welded product, such as real-time production, tact of the individual pieces, tact of the welding robot, and the like.
As shown in fig. 2 and 3, in some embodiments of the present disclosure, the system server 130 includes a first receiving module 131, a second receiving module 132, and an integrating module 133. The first receiving module 131 is configured to receive and store welding robot data information. The robot data collector 110 outputs the collected welding robot data information to the first receiving module 131, and the first receiving module 131 receives and stores the data information for subsequent processing. The second receiving module 132 is used for receiving and storing the data information of the station controller. The controller data collector 120 outputs the collected data information of the station controller to the second receiving module 132, and the second receiving module 132 receives the data information and stores the data information, so as to be correspondingly integrated with the data information of the welding robot later. It should be noted that the robot data collector 110 and the controller data collector 120 may transmit the collected data information to the system server 130 through a communication method such as a local area network or an internet, or may transmit the data information to the system server 130 in sequence, where the specific transmission method and the transmission sequence are not limited as long as the collected data information can be transmitted to the system server 130. The integration module 133 correspondingly integrates the welding robot data information and the station controller data information. In some embodiments of the present disclosure, the integration module 133 correspondingly integrates the welding robot data information and the station controller data information according to a certain rule. It should be noted that, in the present disclosure, there are various corresponding integration rules of the welding robot data information and the station controller data information, which can be set according to the actual situation.
As shown in fig. 2, in some embodiments of the present disclosure, the integration module 133 includes a preset unit 1331 and a processing unit 1332. The presetting unit 1331 is used for presetting the corresponding principle of the welding robot data information and the station controller data information. The processing unit 1332 is used for correspondingly integrating the data information of the welding robot and the data information of the station controller according to the corresponding principle.
The correspondence between welding robot data information and station controller data information can be varied. For example, in an embodiment of the present disclosure, the correspondence rule is to correspond the time axis of the welding robot data information to the time axis of the station controller data information. The time axis of the welding robot data information refers to a time point corresponding to each piece of data information in the welding robot data information. For example, the acquired data information of the welding robot is teaching program numbers of the welding robot, specifically 1, 2, 3 and 6, and the time points corresponding to the teaching program numbers are 8:00:03, 9:30:30, 10:00:29 and 10:55:25, respectively, the axis including each time point is the time axis of the data information of the welding robot, and each time point on the time axis can find the corresponding teaching program number. Similarly, the time axis of the station controller data information refers to a time point corresponding to each piece of data information in the station controller data information. For example, the collected station controller data information is the fixture number, specifically, a1, A3, B5 and B9, and the time points corresponding to the fixture numbers are 8:00:03, 9:30:30, 10:00:29 and 10:55:25, respectively, the axis containing each time point is the time axis of the station controller data information, and each point on the time axis can find the corresponding fixture number. It should be noted that the specific data are only included in the exemplary time base, and the specific data do not limit the time base of the present disclosure.
The processing unit 1332 correspondingly integrates the welding robot data information and the station controller data information according to the corresponding principle. In some embodiments of the present disclosure, the processing unit 1332 associates the time axis of the welding robot data information with the time axis of the station controller data information, so as to integrate the welding robot data information and the station controller data information. For example, the processing unit 1332 associates a time axis containing welding robot data information of time points 8:00:03, 9:30:30, 10:00:29, and 10:55:25 with a time axis containing station controller data information of time points 8:00:03, 9:30:30, 10:00:29, and 10:55:25, thereby completing integration of a teaching program number in the welding robot data information and a jig number in the station controller data information. The welder can visually judge whether the corresponding relation between the teaching course serial number and the clamp serial number is correct according to the data after corresponding integration. In addition, the welding robot data information can also comprise technical parameters such as welding current, welding voltage and the like, the technical parameters can also correspond to a teaching program number and are correspondingly integrated with the station controller data information through a time axis, and in the welding operation, a welder can trace historical welding quality information according to the time axis information. In addition, the data information of the working station controller can also comprise a process name and the like, the process name can further reflect the tool information, and the tool layout management is facilitated after the tool information and the data information of the welding robot are integrated.
In some embodiments of the present disclosure, the integrating module 133 further includes a determining unit 1333 for comparing and analyzing the data information of the welding robot and the data information of the station controller after corresponding integration and outputting the comparison and analysis result. In the present disclosure, after the welding robot data information and the station controller data information are correspondingly integrated, whether the corresponding relationship between the two is correct or not can be analyzed through manual comparison, and the analysis and the judgment can also be performed through the judgment unit 1333 in this embodiment. For example, after the welding robot data information and the station controller data information are integrated according to the time axis, the determining unit 1333 may compare whether the correspondence relationship between the welding robot data information and the station controller data information is correct at the same time point. For example, whether the correspondence between the teaching program number and the jig number at the same time point is correct is compared. In actual welding operation, different clamps correspond to different welding programs, namely, different clamp numbers correspond to different teaching program numbers. When the correspondence relationship between the jig and the welding procedure is incorrect during the welding operation, the determining unit 1333 may compare and analyze the integrated data information to give a determination result. Welding personnel can finish the welding quality tracing rapidly directly according to the judgment result. In some embodiments of the present disclosure, the integration module 133 further includes a storage unit for storing the corresponding integrated data information and comparing the analysis results.
The present disclosure also provides a welding workstation comprising a welding robot, a tooling fixture, a station controller and a welding workstation data acquisition system 100. The welding workstation data acquisition system 100 is in communication connection with the welding robot and the station controller respectively to acquire data information of the welding robot and the station controller. The welding workstation further comprises a tool clamp, a safety protection system, a positioner, an external shaft and the like. The tooling fixture is a technological device which can realize accurate positioning and reliable clamping of a weldment, is convenient for assembly and welding of the weldment and can ensure the structural precision requirement of the weldment. The positioner is a special welding auxiliary device and is suitable for welding deflection of rotary work so as to obtain an ideal processing position and welding speed. The external axis is an axis other than the number of axes of the welding robot, and the robot can be moved on a predetermined route, thereby expanding the working range of the robot. In the welding workstation, a workstation controller is responsible for controlling welding parameters, a welding robot, an external shaft and the like, and coordinates and controls the whole workstation to complete welding operation.
It is to be understood that the disclosure is not limited in its application to the details of construction and the arrangements of the components set forth in the specification. The present disclosure is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications are within the scope of the present disclosure. It should be understood that the disclosure disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute various alternative aspects of the present disclosure. The embodiments of this specification illustrate the best mode known for carrying out the disclosure and will enable those skilled in the art to utilize the disclosure.

Claims (10)

1. A welding workstation data acquisition system, comprising:
the robot data collector is used for collecting and outputting data information of the welding robot;
the controller data collector is used for collecting and outputting data information of the working station controller;
and the system server is used for receiving the welding robot data information output by the robot data collector and the working station controller data information output by the controller data collector, and correspondingly integrating the welding robot data information and the working station controller data information.
2. The welding workstation data acquisition system of claim 1, wherein the system server comprises:
the first receiving module is used for receiving and storing the welding robot data information;
the second receiving module is used for receiving and storing the data information of the working station controller;
and the integration module is used for correspondingly integrating the welding robot data information and the working station controller data information.
3. The welding workstation data acquisition system of claim 2, wherein the integration module comprises:
the preset unit is used for presetting the corresponding principle of the welding robot data information and the working station controller data information;
and the processing unit is used for correspondingly integrating the data information of the welding robot and the data information of the working station controller according to the corresponding principle.
4. The welding workstation data acquisition system of claim 3, wherein the correspondence principle is to correspond a timeline of the welding robot data information with a timeline of the station controller data information.
5. The welding workstation data acquisition system of claim 3, wherein the integration module further comprises:
and the judging unit is used for comparing and analyzing the welding robot data information and the working station controller data information which are correspondingly integrated and outputting a comparison and analysis result.
6. The welding workstation data acquisition system of claim 1, wherein the welding robot data information comprises a teach program number and welding status information.
7. The welding workstation data acquisition system of claim 1, wherein the station controller data information comprises fixture information and process information.
8. The welding workstation data acquisition system of claim 1, wherein the robot data collector is communicatively coupled to the welding robot and the controller data collector is communicatively coupled to the station controller.
9. The welding workstation data acquisition system of claim 1, wherein the station controller is a PLC controller.
10. A welding workstation, comprising:
welding robot, work holder, work station controller and welding station data acquisition system according to any of claims 1-9.
CN202011347072.5A 2020-11-26 2020-11-26 Welding workstation data acquisition system and welding workstation Active CN112548440B (en)

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CN104588901A (en) * 2014-12-08 2015-05-06 重庆瑞阳科技开发有限公司 Welding method
CN105312862A (en) * 2015-12-09 2016-02-10 贵州黎阳航空动力有限公司 Processing technology of seal jacket assembly
CN106392399A (en) * 2016-12-12 2017-02-15 苏州德机自动化科技有限公司 Welding device for automobile antenna PCB product

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