KR101863047B1 - Apparatus for discriminating quality of welding real time typed in kiosk - Google Patents

Apparatus for discriminating quality of welding real time typed in kiosk Download PDF

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KR101863047B1
KR101863047B1 KR1020160033071A KR20160033071A KR101863047B1 KR 101863047 B1 KR101863047 B1 KR 101863047B1 KR 1020160033071 A KR1020160033071 A KR 1020160033071A KR 20160033071 A KR20160033071 A KR 20160033071A KR 101863047 B1 KR101863047 B1 KR 101863047B1
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South Korea
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welding
data
information
robot
welding robot
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KR1020160033071A
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Korean (ko)
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KR20170108728A (en
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김재은
린궈화
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임국화
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • 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
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B23K31/125—Weld quality monitoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/252—Monitoring devices using digital means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/36—Auxiliary equipment
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
    • B23K2201/006—
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Factory Administration (AREA)
  • Manipulator (AREA)

Abstract

The present invention relates to a welding machine, which comprises a communication networking unit connected to a welding machine T / C device in the field, a control unit for receiving real welding quality data from the welding machine from the welding machine T / C device through the communication networking unit, Wherein the control unit collects actual data of each welding spot generated at the time of welding in the field by a user set collection quantity and sets the collected actual data by the set welding data item Calculating an average value, inputting and registering user coinage range setting information, automatically setting a coin acceptance range for each set welding data item by applying the registered user coin range setting information to the calculated average value, Welding of the site measured after the automatic setting based on the payroll range Real-time welding quality is judged with respect to real data. The present invention relates to a kiosk type welding quality judging device for a real-time robot, which enables a field worker to directly check welding quality at a process site, By monitoring the change of process ability reflecting the environmental factors of production site, we can take prompt action in case of bad welding.

Description

TECHNICAL FIELD [0001] The present invention relates to a kiosk type welding quality determining apparatus for real time robots,

The present invention relates to a welding quality determining apparatus for determining a welding quality based on welding data (for example, welding current or voltage, resistance, heat quantity).

In general, welding equipment with manual, automatic, and robot erosion welding machines are combined with control devices using PLCs (Programmable Logic Controllers) to perform sequence control and quality control of welders.

Such ordinary welding is a work process in which two or more welded materials are welded together and integrally joined together, which is one of the facilities in which quality control becomes important. In other words, if the welding equipment is not periodically managed, there is a problem in welding quality such as welding defect or welding part is separated due to omission of the spot or missing welding strength.

Therefore, a welding quality judging system has been proposed to solve such a problem (refer to the prior art (Korean Registration No. 10-0926550 entitled " Weld Quality Inspection System and Inspection Method ")).

On the other hand, the conventional welding quality judgment system is an integrated management system based on a server, that is, it is a concept system for managing not only welding quality but also other welding related data in real time, And there was a certain restriction in confirming welding quality in real time in the field, and the results of the measures could not be immediately feedbacked.

Meanwhile, the demand for 'industrial welding robots' is increasing in the explosion trend not only in Korea but also in the whole world. However, by integrating 'industrial welding robots', it is possible to diagnose the status of major parts used in the welding robot system in real- There is no systematic system for maintenance management and lifetime management. As a result, the state of the main parts and the maintenance of the life span are not properly controlled, so that a lot of unnecessary post management costs are paid. It is made for a specific robot company to use only for the robot itself.

SUMMARY OF THE INVENTION The present invention has been developed in order to solve the above-mentioned problems, and it is an object of the present invention to solve a problem caused by a server-based welding quality integrated management system so that a field worker can directly confirm welding quality at a process site, The present invention provides a kiosk type welding quality judging device for a real-time robot, which enables a change in process capability to be reflected in an environmental factor of a production site through actual data, thereby promptly taking measures in case of welding failure.

The other purpose is real-time data collection by welding robot parts item, such as motor shaft load ratio, encoder temperature, decelerator torque, etc., measured by each welding robot in operation of industrial welding robot. And to provide a kiosk type welding quality judging device of a real-time robot which enables preventive management to be performed promptly.

In order to achieve the above object, according to the present invention, there is provided an apparatus for determining a quality of a kiosk type welding robot,

A communication networking unit connected to the welding machine T / C unit in the field, a control unit for receiving the welding room data generated in the field from the welding machine T / C unit through the communication networking unit and determining the real time welding quality, Wherein the controller collects actual data of each welding spot generated at the time of welding in the field by a user set collection quantity and sets an average value for each set welding data item for the collected real data And automatically sets a coin acceptance range for the set weld data item by applying the registered coin acceptance range setting information to the calculated average value, The welding spot data of the spot measured after the automatic setting It characterized in that for real-time weld quality is determined.

Preferably, the controller receives and registers the user billing range setting information including the lower limit value and the upper limit value information of the actual data average value for each set welding data item, and outputs the lower limit value and the upper limit value of the registered average value as the collection And a real-time welding quality judging section for judging real-time welding quality data of the welding spot data measured on the spot after the automatic setting based on the set uniformity range .

The control unit may set the welding error status information detected for each process or for each setting reference classification factor including at least one of equipment and specification according to the determined welding quality information as a user setting And automatically alarms the pre-registered terminal or mail in accordance with the management time information.

Preferably, the welding error status information includes at least one of a PLC signal missing, a TC data missing, a matching error status, a PLC status, a TC status, a SPC connection status, a sealer connection status, And at least any one of them is included.

The control unit analyzes the process information in real time on the basis of the result information determined based on the unloading determination based on the automatically set coin disbursement determination range to check whether the change in the process capability occurs through the actual data of the field welding, Wherein the checking whether the change in the process capability through the actual data of the welding has occurred includes confirming the result information determined to be coarse based on the actual data, and if the result information determined as the coinage is the welding defect determination information, The weld defect range is confirmed on the basis of the welding data distribution diagram set on the basis of the constant welding data standard value as a reference of the predetermined welding data distribution map for each of the RB points so that the determined welding defect range deviates from the predetermined weld defect range or more, If the deviation from the set normal stabilization level is exceeded, It characterized in that to determine that.

Preferably, the control unit receives the actual data of each welding point generated at the welding in the welding process from the welding machine T / C device, receives the process signal from the welding-related PLC, and stores the welding position in the pre- Information and data are matched and displayed on the registered drawing, and the welding position is confirmed in real time.

The control unit receives the actual data of each welding spot generated at the welding in the field from the welding machine T / C device, registers and manages the welding information for each product number, and includes at least any one of a product number, specification, And when the search condition information is inputted, the welding trace result information is provided and the welding trace confirmation process is performed.

Preferably, the control unit calculates the actual data of the welding robot component items of the motor shaft load ratio (torque), the encoder temperature, and the speed reducer load ratio (torque) of each welding point generated in the field welding from the welding robot controller Calculating a mean value for each welding robot component item with respect to the collected real data, receiving and registering user life cycle standard setting information, and registering the registered user standard life cycle range setting information with the calculated average Values of the welding robot parts are automatically set for each of the welding robot part items so that the actual life span of each welding robot part is calculated with respect to the welding robot part room data measured after the automatic setting based on the set life cycle range, And a period is determined.

The control unit receives the user life cycle reference setting information including the lower limit value and the upper limit value information of the average value of the respective pieces of the actual welding data for each set welding robot part item, registers the lower limit value and the upper limit value of the registered average value The life cycle period range applied to the average value calculated for the collected actual welding data for each welding robot part item is automatically set for each item of the set welding robot part, And a real-time life cycle determination is made for each welding robot part with respect to the actual welding robot component data.

Preferably, the control unit compares the actual data of each weld robot component item in the field with the life cycle range of each weld robot item, and if the actual data per welding robot item of the field is the set welding robot And the life cycle completion information of the welding robot component is alarmed to the pre-registered terminal when the life cycle period of the welding robot component exceeds the life cycle range of each item.

Then, the control unit collects the actual data of the welding robot parts item of the motor shaft load ratio (torque), the encoder temperature, and the speed reducer load ratio (torque) of each welding spot generated in the field welding from the welding robot controller Calculating a mean value for each weld robot component item with respect to the collected real data, receiving and registering user diagnostic reference setting information, and comparing the registered user reference diagnostic range setting information with the calculated average value The diagnosis range is automatically set for each welding robot component item and a real-time failure diagnosis is performed for each welding robot component on the basis of the welding robot component real data measured on the spot after the automatic setting on the basis of the set diagnostic range do.

Preferably, the control unit receives and registers the user diagnosis reference setting information including the lower limit value and the upper limit value information of the average value of the respective pieces of the actual welding data for each item of the set welding robot parts, and registers the lower limit value and the upper limit value of the registered average value The diagnostic range applied to the average value calculated for the collected actual welding data for each welding robot part item is automatically set for each item of the set welding robot part, And real-time failure diagnosis is performed for each welding robot component with respect to the welding robot component real data.

The control unit compares the actual data of each welding robot part item on the field with each diagnosis range of the set welding robot item, and if the actual data of each welding robot item of the field is compared with the set welding robot item And the failure occurrence information of the welding robot part is alarmed to the pre-registered terminal if the diagnosis range is exceeded.

Preferably, the control unit registers the installation date and the operation time of each component item of the welding robot, and when the current real life cycle value obtained by adding the operation time based on the installation date exceeds the predetermined life criterion value, The life cycle completion information of the welding robot part is automatically displayed or an alarm is made to the pre-registered terminal.

The apparatus for determining a quality of a kiosk type welding robot of a real time robot according to the present invention is an apparatus for determining a welding quality of a kiosk type according to the present invention, The system of concept to manage in real time) causes a certain amount of space and low cost in installation and there are some limitations in checking welding quality in real time in the field, , The field worker confirms the welding quality directly at the process site, reduces the time required for the process analysis, and analyzes the process in real time to reflect the environmental factors of the production site through the actual data. Check for changes. In addition, through this, it is possible to quickly identify the factor that deteriorates the process capability, to quickly measure it, and to have a high process analysis capability.

In addition, the present invention provides real-time data collection by welding robot parts items such as motor shaft load ratio, encoder temperature, speed reducer torque, etc. measured by each welding robot in operation of the industrial welding robot, So that it can be done quickly.

In addition, the present invention manages the installation date and the operating time for each component of the welding robot and manages the service life of each of the individual robots. As a result, the maintenance (inspection and management) and life cycle management of the 'industrial welding robot' A systematic system that diagnoses the status of major parts used in the welding robot system by integrating 'welding robot for industrial use', which is a very important part in ensuring quality (especially automobile body), and performs maintenance (inspection management) It is a realistic situation that does not manage the main part status and life span of welding robots properly, and it is made for general robots to use only for their own robots.

1 is a view showing a configuration of a kiosk type welding quality judging device of a real time robot according to the present invention
2 is a view showing a configuration of a real-time welding quality judging system to which a kiosk type welding quality judging device of a real time robot according to the present invention is applied
3 is a view sequentially showing the operation of the kiosk type welding quality determining apparatus of the real time robot according to the present invention
4 is a view sequentially showing another operation of the kiosk type welding quality judging device of the real time robot according to the present invention

1 is a view showing a configuration of a kiosk type welding quality judging device of a real time robot according to the present invention.

1, the apparatus for determining the quality of a kiosk type welding robot of a real time robot according to the present invention includes a communication networking unit 101 connected to a welding machine T / C device (or a welding robot controller) (For example, welding room data) received from the welding machine T / C device (or a welding robot controller) through the welding part 101 to determine the real time welding quality or to diagnose the welding robot part (103) for displaying the real-time welding quality information and the diagnosed welding robot component failure information determined by the control unit (102), and a user key input for setting user charging judgment information and user trouble diagnosis information .

The communication networking unit 101 performs networking in accordance with a real-time communication protocol with a welding machine T / C device (or a welding robot controller) in the field, and real-time various kinds of real data (for example, welding room data) So that it can be collected. As a specific example, the communication networking unit 101 is connected to a welder T / C device in the field or a welding robot controller through Ethernet.

The control unit 102 determines the welding quality immediately on the spot based on the welding data generated in each step of the field so that measures and feedback can be made possible. By doing so, the worker can immediately check and correct the defective product so as to speed up the process for the defective product and utilize it to lower the process defect rate. Specifically, the control unit 102 collects actual data (for example, welding current, voltage, resistance, and heat amount) of each welding point generated in the field welding by a user-set collection quantity (for example, 1000) And calculating an average value for each set welding data item for the collected real data, receiving and registering user coin range setting information, applying the registered user coin range setting information to the calculated average value, And the real-time welding quality is determined for the welded room data measured on the spot after the automatic setting based on the set coinage range. At this time, the controller 102 receives the user billing range setting information including the lower limit value and the upper limit value information of the actual data average value for each set welding data item, registers the lower limit value and the upper limit value of the registered average value Wherein the control unit automatically sets the coin coverage applied to the average value calculated for the collected actual data for each of the set welding data items, Quality is judged. In addition, the control unit 102 determines welding defect status information (hereinafter, referred to as " welding defect status information ") detected by the setting reference classification factor including at least one of the welding defect data information based on the determined welding quality information, In accordance with the user setting management time information. At this time, the welding error status information includes at least one of PLC signal missing, TC data missing, matching error status, PLC status, TC status, SPC connection status, sealer connection status, And any one or more of them. In addition, the control unit 102 analyzes the site environment in the event of a change in the process through the process analysis, identifies the cause of the change, measures the occurrence of the problem in the future, Process analysis is done through process capability module. For example, when the welding current and the welding voltage measured at each of the R, G, and B ranges are outside the set range or the normal stabilization range according to the present invention, that is, when the process changes, So as to reduce the incidence of future problems. More specifically, the control unit 102 analyzes the real-time process based on the result information determined based on the unloading determination based on the automatically set coin acceptance determination range according to the present invention, do. The operation for confirming whether or not the change of the process capability through the actual data of the field welding occurs is as follows. That is, the control unit 102 checks the result information determined based on the actual data, and if the result information determined as the result of the verification is welding defect determination information, Wherein the welding defect data is determined based on a welding data distribution diagram based on a standard welding data standard value that is a reference of a predetermined welding data distribution map, and when the determined welding defect range is out of a predetermined welding defect range, Confirm that a change in ability has occurred. The control unit 102 receives the actual data of each welding point generated in the field welding from the welding machine T / C device, receives the process signal from the welding-related PLC, and outputs the welding position to the database (D / B) 104), the data is matched with the reference information for each process and series (including process, drawing (for example, 2D and 3D design drawing based on process and series) and welding position) And the welding position is checked in real time. The control unit 102 receives the actual data of each welding spot generated at the time of welding at the welding spot from the welding machine T / C device, registers and manages the welding information for each product number, and stores at least one of the product number, specification, If the system search condition information including the above is inputted, the system searches the database 104 and searches for the corresponding welding trace result information to provide welding trace confirmation processing. Also, the control unit 102 determines a life cycle based on data generated in the robot controller. The actual determination method is similar to the above-described method of fusion splice according to the present invention except for only the data item to be measured. Specifically, it is as follows. That is, the control unit 102 collects the actual data of the welding robot parts item of the motor shaft load ratio (torque), the encoder temperature, and the speed reducer load ratio (torque) of each welding point generated in the field welding from the welding robot controller And calculates the average value for each welding robot component item with respect to the collected real data, receives and registers the user life cycle standard setting information, and outputs the registered user standard life cycle range setting information to the calculation Of the welding robot part data of the welding robot parts in the field measured after the automatic setting on the basis of the set life cycle range, Real-time life cycle determination. The controller 102 receives and registers the user life cycle reference setting information including the lower limit value and the upper limit value information of the average value of the respective pieces of actual data for each set welding robot component item, The upper limit value is automatically set for each of the set welding robot component items by applying the calculated life cycle period range obtained by applying the upper limit value to the average value calculated for the collected actual welding data for each welding robot component item, Then, a real-time life cycle is determined for each welding robot part with respect to the measured welding robot part real data. The control unit 102 compares the actual data of each weld robot component item in the field with the life cycle range of each welding robot item set as a result of the comparison, If the life cycle of the welding robot exceeds the life cycle range of each item, the life cycle completion information of the welding robot is alarmed to the pre-registered terminal. On the other hand, the controller 102 determines a failure diagnosis on the basis of data generated in the robot controller, and the actual determination method is similar to the above-described method of ignoring the fusion splice according to the present invention. Specifically, it is as follows. That is, the control unit 102 collects the actual data of the welding robot parts item of the motor shaft load ratio (torque), the encoder temperature, and the speed reducer load ratio (torque) of each welding point generated in the field welding from the welding robot controller And calculates the average value for each weld robot component item with respect to the collected real data, receives and registers user diagnostic reference setting information, and transmits the registered user reference diagnostic range setting information to the calculated average Values of the welding robot parts are automatically set for each of the welding robot part items and a real-time failure diagnosis is performed for each welding robot part on the basis of the welding robot part room data measured after the automatic setting based on the set diagnostic range . For example, the control unit 102 receives and registers the user diagnosis reference setting information including the lower limit value and the upper limit value information of the average value of the respective pieces of actual data for each set welding robot component item, And an upper limit value is automatically set for each of the set welding robot part items by applying the calculated upper limit value to the average value calculated for the collected actual welding data for each welding robot part item, Real-time fault diagnosis is performed for each welding robot part with respect to the actual welding robot part data. At this time, the control unit 102 compares the actual data of each welding robot part item of the field with each diagnosis range of the set welding robot item, and if the actual data per welding robot item of the field is the set welding If the diagnosis range of each robot item is exceeded, the fault occurrence information of the welding robot part is alarmed to the pre-registered terminal. As a result, it is possible to perform real-time fault diagnosis on the spot by real-time data collection of welding robot parts items such as motor shaft load ratio, encoder temperature, decelerator torque, etc. measured by each welding robot when an industrial welding robot operates. , It is possible to notify the user to prevent the failure of the robot parts, and the maintenance and the preventive management can be performed quickly. The control unit 102 registers the installation date and the operation time of each component item of the welding robot, and if the current real life cycle value obtained by adding the operation time based on the installation date exceeds the predetermined life criterion value , The life cycle completion information of the welding robot part is automatically displayed or an alarm is made to the pre-registered terminal. Thus, by managing the installation date and the operation time of each component of the welding robot, the service life of each component is managed for each individual robot. As a result, the maintenance (inspection and management) and life cycle management of the 'industrial welding robot' are integrated with 'industrial welding robot' for securing the welding quality It is a realistic situation that there is no systematic system that performs maintenance (inspection management) and life management by diagnosing the condition of parts in real time and it is made to be used only for the robot itself by a specific robot company And it is solved that it is used as a general purpose.

The display unit 103 displays the real-time welding quality information determined by the control unit 102. [ That is, under the control of the control unit 102, the display unit 103 displays the determined real-time welding quality information, for example, welding quality passing information or welding position real-time confirmation, data management, alarm, And displays the quality sum / non-quality information to the manager.

The user key input unit is user interface means for receiving user setting information. The user key input unit receives the user billing range setting information and the user reference diagnosis range setting information according to the present invention and transfers the information to the control unit 102. At this time, the user coin range setting information includes a lower limit value and an upper limit value information (for example, a lower limit of 10% with respect to the average value) of the actual data average value for each set welding data item (e.g., welding current, voltage, resistance, Upper limit 15%). The user reference diagnostic range setting information includes a lower limit value and an upper limit value information (for example, an average value) of the actual data average value for each set welding robot component item (e.g., welding robot motor shaft load ratio, encoder temperature, speed reducer torque) Lower limit 10%, upper limit 15%). Also, the user key input unit may include a key for modifying a coin acceptance range or a diagnosis range.

2 is a diagram showing a configuration of a real-time welding quality determination system to which a kiosk type welding quality determining apparatus for a real-time robot according to the present invention is applied.

As shown in FIG. 2, the real-time welding quality determination system according to the present invention is configured such that the welding machine T / C or the welding robot controller and the kiosk type welding quality determination apparatus 100 of the real- And the welding data (for example, welding current, voltage, resistance, calorie) is transmitted in real time to the real time welding quality determining apparatus 100 according to the present invention through the Ethernet. The real-time welding quality determination system according to the present invention includes a device for measuring a secondary current or the like in the kiosk type welding quality determining apparatus 100 itself of the real-time robot according to the present invention, (DATA). In addition, the real-time welding quality determination system according to the present invention is a kiosk-type welding quality determination system of a real-time robot that is installed on the spot and measures and feedbacks directly on the spot through welding data generated in each process. Therefore, it is applicable to the automation inspection system of domestic and overseas automobile production plant by determining welding quality through welding data. In addition, the existing welding quality judgment system is an integrated management system based on a server. That is, it is a concept system that manages not only welding quality judgment but also other welding related data in real time, It was impossible to feed back the results immediately. However, the present invention can be applied to the case where the field worker immediately confirms the process and the cost Which is a kiosk type welding quality judging system of a real time robot. In order to reduce the time and cost required for the process analysis, the present invention is equipped with a process analysis module connected to the welding quality determination mechanism according to the present invention, and the process analysis is performed in real time through the system. It can confirm the change of process ability to reflect the environmental factors of the site, confirm the factors that degrade the process ability in a short time, have quick process and high process analysis ability.

FIG. 3 is a view sequentially showing the operation of the kiosk type welding quality determining apparatus of the real time robot according to the present invention.

As shown in FIG. 3, the kiosk type welding quality determining apparatus of the real time robot according to the present invention first calculates actual data (for example, welding current, voltage, resistance, and heat amount) (E.g., 1000) of the user setting collection amount (S301).

Next, an average value is calculated for each set welding data item (for example, welding current, voltage, resistance, and heat amount) for the collected actual data (S302).

In addition, the user B / D range setting information is separately received and registered (S303).

At this time, the user billing range setting information includes the lower limit value and the upper limit value information of the average value of the actual data for each set welding data item. For example, the lower limit 10% and the upper limit 15% are included in the average value.

Next, the registered bidding range setting information is applied to the calculated average value, that is, applied to the average value calculated for the actual data collected for the user set quantity, so that the bidding range is automatically set for each set weld data item (S304).

Then, in step S305, the real-time welding quality is determined for the welded room data measured in the field after the automatic setting based on the set coverage range.

Then, the determination result, for example, welding quality acceptance determination information or welding quality failure determination information is provided to the manager.

Meanwhile, the kiosk type welding quality determining apparatus of the real-time robot according to the present invention mounts the process analysis module connected to the welding quality determining mechanism according to the present invention, and analyzes the process in real time, To confirm changes in process capability.

That is, the real-time welding quality determining apparatus according to the present invention analyzes the real-time welding quality using real-time welding result information based on the automatically set coin acceptance determination range according to the present invention, .

More specifically, the operation of the real-time welding quality determination apparatus according to the present invention to confirm whether or not the change of the process capability through actual data of the field welding occurs is as follows.

That is, in the case where the real-time welding quality determining apparatus according to the present invention is based on the actual data of the welding site, it confirms the result information determined to be unstable, (For example, an average value, an intermediate value, a standard deviation value, or the like) that is a reference of a predetermined welding data distribution map (for example, a welding current distribution map) for each RB It is confirmed that a change in the process capability occurs when the determined weld defect range deviates by more than a predetermined weld defect range and is out of a predetermined normal stabilization degree.

Therefore, the process analysis is performed in real time, and the change of the process capability is confirmed by reflecting the environmental factors of the production site through the actual data.

Meanwhile, the kiosk type welding quality determining device of the real time robot according to the present invention allows the operator to promptly confirm the welding state and take measures by, for example, processing the current welding information of the day to the worker every day.

For this purpose, for example, the kiosk type welding quality determination device of the real time robot according to the present invention sets relevant company basic information, today's production quantity, and today's management target (for example, current, voltage defective quantity). Then, based on the set information, the welding defect information based on the welding quality information determined according to the present invention and the welding information detected by the setting reference classifier including at least one of the process, The error status information is automatically alerted to the pre-registered terminal or mail in accordance with the user setting management time information, for example, the preset daily management time unit information.

Thus, the operator can quickly check the welding condition and take action.

At this time, the welding error status information includes at least one of PLC signal missing, TC data missing, matching error status, PLC status, TC status, SPC connection status, sealer connection status, And any one or more of them.

As described above, the kiosk type welding quality determination device of the real-time robot according to the present invention causes the occurrence of a certain space and a small amount of cost in the installation of the existing welding quality determination system, that is, the integrated management system based on the server And it is possible to solve the problem that it is impossible to immediately feedback on the result of the measurement, and it is possible to confirm the welding quality directly at the process site by the field worker, And real-time process analysis to confirm changes in process capability by reflecting the environmental factors of the production site through actual data. In addition, through this, it is possible to quickly identify the factor that deteriorates the process capability, to quickly measure it, and to have a high process analysis capability.

FIG. 4 is a view showing another operation (that is, life cycle determination operation) of the kiosk type welding quality determining device of the real time robot according to the present invention in order.

As shown in FIG. 4, the kiosk type welding quality determination apparatus of the real time robot according to the present invention determines the life cycle based on data generated in the robot controller, and only the data items to be measured are different, Lt; RTI ID = 0.0 > of the < / RTI >

Specifically, it is as follows.

That is, the kiosk type welding quality determining device of the real-time robot according to the present invention is characterized in that the welding robot controller of the real-time robot includes welding robot parts (welding torque) (S401). The average value is calculated for each welding robot component item with respect to the collected real data (S402), and the user life cycle reference setting information is received and registered (S403), the registered user-defined life cycle range setting information is applied to the calculated average value to automatically set the life cycle range for each welding robot component item (S404), and based on the set life cycle range The actual welding robot component real data measured on the spot after the automatic setting, And (S405).

At this time, the welding quality determination device according to the present invention receives the user life cycle reference setting information including the lower limit value and the upper limit value information of the average value of the respective pieces of actual welding data for each set welding robot component item, registers them, Value and an upper limit value are automatically set for each item of the set welding robot part by applying the calculated value and the upper limit value to the average value calculated for the collected actual welding data for each welding robot part item, The real life cycle of each welding robot part is determined for the actual welding robot parts actual data measured after the automatic setting.

The welding quality judging device according to the present invention compares the actual data of each welding robot part item on the field with the respective life cycle range of each welding robot item set as a result of the comparison, The life cycle completion information of the welding robot component is alarmed to the pre-registered terminal if the life cycle period of the welding robot component is exceeded.

As a result, it improves the productivity of the welding robot by increasing the utilization rate of the welding robot accurately and quickly.

On the other hand, the kiosk type welding quality determining apparatus of the real time robot according to the present invention performs another operation (i.e., a failure diagnosis determination operation).

Specifically, it is as follows.

That is, the welding quality judging device according to the present invention calculates the actual data of welding robot parts item of the motor shaft load ratio (torque), encoder temperature, and speed reducer load ratio (torque) of each welding spot generated at the welding in the field from the welding robot controller in the field And a controller for receiving and registering the user diagnostic reference setting information and for registering the registered user reference diagnostic range setting information in the user reference diagnostic range setting information, The welding robot component data is automatically set for each weld robot component item on the basis of the calculated average value, and then the diagnostic range is automatically set for each welding robot component item on the basis of the calculated average value, Diagnose the fault.

For example, according to the present invention, the user diagnosis reference setting information is inputted and registered by including the lower limit value and the upper limit value information of each actual data average value for each set welding robot component item, and the lower limit value and the upper limit value Is automatically set for each item of the set welding robot part by applying the calculated diagnosis range to the average value calculated for the collected actual welding data for each welding robot part item, In real time, for each welding robot part.

At this time, the present invention compares each actual data of each welding robot part item on the field with each diagnosis range of each welding robot item set as a result of the comparison, and if the actual data per welding robot item of the field If the diagnosis range is exceeded, the fault occurrence information of the welding robot part is alarmed to the pre-registered terminal.

As a result, when the industrial welding robot operates, the real time data acquisition of the motor shaft load ratio, encoder temperature, decelerator torque, etc. measured by each welding robot can be informed to the user So that fault diagnosis, maintenance, and preventive maintenance can be performed quickly.

The present invention is characterized in that when the installation date and the operation time of each part of the welding robot are registered and the current room life cycle value obtained by adding the operation time on the basis of the installation date exceeds the preset life reference value, The life cycle completion information of the welding robot part is automatically displayed or alarmed to the pre-registered terminal.

Thus, by managing the installation date and the operation time of each component of the welding robot, the service life of each component is managed for each individual robot.

As a result, the maintenance (inspection and management) and life cycle management of the 'industrial welding robot' are integrated with 'industrial welding robot' for securing the welding quality It is a realistic situation that there is no systematic system that performs maintenance (inspection management) and life management by diagnosing the condition of parts in real time and it is made to be used only for the robot itself by a specific robot company And it is solved that it is used as a general purpose.

The kiosk type welding quality determining device of the real time robot according to the present invention also performs the following other operations (i.e., the welding position real time checking operation and the welding tracking checking operation) separately.

That is, the welding quality determining apparatus according to the present invention receives the actual data of each welding spot generated at the welding in the field from the welding machine T / C device, inputs the process signal from the welding-related PLC, (Including process and series-based 2D and 3D design drawings) and the welding position by the process and sequence by the process and series, and display it on the registered drawing to match the welding position Real-time confirmation processing. In addition, the actual data of each welding spot generated at the time of welding at the site is received from the welding machine T / C device, and the welding information is registered and managed by the product number, and a system search including at least one of product number, specification, When the condition information is inputted, the database is searched and the corresponding welding trace result information is extracted and provided, and the welding trace confirmation process is performed to perform the welding position real-time confirmation operation and the welding trace confirmation operation.

Description of the Related Art [0002]
100: Kiosk type welding quality judgment device of real time robot
101: communication networking unit 102: control unit
103: Display unit 104: Database (D / B)

Claims (14)

A communication networking part connected to the welding machine T / C device in the network via a network;
And a control unit for receiving welded room data generated in the field from the welding machine T / C unit through the communication networking unit, collecting actual data of each welding point generated at the time of welding in the field, Calculating a mean value for each data item and inputting and registering the user coin range setting information including the lower limit value and the upper limit value information of the data average value for each set welding data item and registering the registered user coin range setting information to the calculated A control unit for automatically setting a coin acceptance range obtained by applying an average value for each set welding data item and determining a real time welding quality for welding spot data measured on the spot after the automatic setting based on the set coin coverage; And
A display unit for displaying the real-time welding quality information determined by the control unit;
Lt; / RTI >

The control unit
Based on the data of the weld quality determined by automatically setting the upper limit value and the lower limit value of the billing range based on the user coinage range setting information including the lower limit value and the upper limit value information of the data average value for each set welding data item, And if the result information determined as the result of the determination is welding defect determination information, the welding defect determination section determines the welding defect range determined for each of the plurality of welding points as a standard welding data standard value And determines that a change in the process capability occurs when the determined weld defect range deviates from a predetermined weld defect range and deviates from a predetermined normal stabilization degree,

The control unit
The actual welding data for each welding robot part item of the motor shaft load ratio (torque), the encoder temperature, and the speed reducer load ratio (torque) of each welding point generated at the spot welding from the welding robot controller in the field is collected as the user set collection quantity, Calculating average values for each welding robot component item with respect to real data, inputting and registering user life cycle standard setting information, applying the registered user standard life cycle range setting information to the calculated average value, Determining a real-time life cycle period for each welding robot part with respect to the welding robot component real data of the field measured after the automatic setting based on the set life cycle period range, by automatically setting each life cycle range for each welding robot component item;
And the welding quality of the kiosk is determined based on the welding quality of the welding robot. delete The method according to claim 1,
The control unit
The welding error status information detected by the setting reference classification factor including at least one of the welding data defect information based on the determined welding quality information and the process, or at least one of the equipment and the specification, corresponds to the user setting management time information And automatically alerts the user of the kiosk type welding quality of the real-time robot. The method of claim 3,
The welding error status information
At least one of PLC (Programmable Logic Controller) signal missing, TC data missing, matching error status, PLC status, TC status, SPC connection status, sealer connection status, And a controller for controlling the welding quality of the kiosk. delete The method according to claim 1,
The control unit
The actual data of each welding spot generated at the welding in the field from the welding machine T / C device is received, the process signal is input from the PLC (Programmable Logic Controller) related to the welding, So that the welding position is confirmed in real time;
And the welding quality of the kiosk is determined based on the welding quality of the welding robot. The method according to claim 1,
The control unit
The actual welding data of each welding spot generated at the welding in the field from the welding machine T / C device is inputted, and the welding information is registered and managed by the product number, and the search condition information including at least one of product number, specification, Provide the welding tracking result information, if any, to process the weld tracking confirmation;
And the welding quality of the kiosk is determined based on the welding quality of the welding robot. delete The method according to claim 1,
The control unit
Wherein the user life cycle reference setting information includes a lower limit value and an upper limit value information of each of the actual data average values of the preset welding robot component items so as to determine a real time life cycle, And an upper limit value is automatically set for each of the set welding robot part items by applying the calculated upper limit value to the average value calculated for the collected actual welding data for each welding robot part item, Determining a real-time life cycle for each welding robot part with respect to the actual welding robot part actual data measured on the spot after the setting;
And the welding quality of the kiosk is determined based on the welding quality of the welding robot. 10. The method of claim 1 or 9,
The control unit
Comparing the actual data of each welding robot part item on the field with the respective life cycle range of each welding robot item by the set welding robots and comparing the actual data of each welding robot item of the field with the respective life cycle ranges , Alarming the life cycle completion information of the welding robot component to the pre-registered terminal;
Wherein the welding quality of the kiosk is determined based on the welding quality of the welding robot. The method according to claim 1,
The control unit
The actual welding data for each welding robot part item of the motor shaft load ratio (torque), the encoder temperature, and the speed reducer load ratio (torque) of each welding point generated at the spot welding from the welding robot controller in the field is collected as the user set collection quantity, The average value is calculated for each weld robot component item with respect to the actual data, the user diagnostic reference setting information is received and registered, and the registered user reference diagnostic range setting information is applied to the calculated average value, Automatically diagnosing each component item and diagnosing real-time failure of each welding robot part with respect to the welding robot component real data of the field measured after the automatic setting based on the set diagnostic range;
And the welding quality of the kiosk is determined based on the welding quality of the welding robot. 12. The method of claim 11,
The control unit
The user diagnosis reference setting information is inputted and registered by including the lower limit value and the upper limit value information of the average value of the respective pieces of actual data for each preset welding robot component item so as to determine the real time life cycle, The upper limit value is automatically set for each item of the set welding robot part by applying the upper limit value to the average value calculated for the collected actual welding data for each welding robot part item, Real-time fault diagnosis for each welding robot part with respect to the actual welding robot part data;
And the welding quality of the kiosk is determined based on the welding quality of the welding robot. 13. The method according to claim 11 or 12,
The control unit
Comparing the actual data of each of the welding robot parts on the field with the diagnostic range of each of the set welding robots and comparing the actual data of each of the welding robots of the field with each diagnostic range of the set welding robots Alarming the fault occurrence information of the welding robot part to the pre-registered terminal when the fault has occurred;
And the welding quality of the kiosk is determined based on the welding quality of the welding robot. 13. The method according to claim 11 or 12,
The control unit
Wherein when the current actual life cycle value obtained by adding the operation time on the basis of the installation date exceeds a preset life reference value, the service life of the welding robot component Automatically displaying the cycle completion information or alarming the pre-registered terminal;
And the welding quality of the kiosk is determined based on the welding quality of the welding robot.
KR1020160033071A 2016-03-18 2016-03-18 Apparatus for discriminating quality of welding real time typed in kiosk KR101863047B1 (en)

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