CN112215515A - Method and system for managing process quality of rear overhang split assembly line - Google Patents
Method and system for managing process quality of rear overhang split assembly line Download PDFInfo
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Abstract
The invention provides a method and a system for managing the process quality of a rear overhang split mounting line, wherein the method comprises the following steps: acquiring bar code information uploaded by a suspension bar code after scanning by a first station scanning gun; writing the bar code information into a Tag module of the rear suspension; when the rear suspension is assembled in a whole vehicle, the obtained serial number of the rear suspension and the vehicle body number are bound and stored in an associated manner; and after the rear suspension frame is screwed, acquiring and storing screwing data containing the bar code information in a screwing database system. The centralized management of the process data of the equipment and the quality data of each process can be realized by implementing the method, so that the production efficiency is effectively improved, and the convenience of quality management is improved.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a method and a system for managing the process quality of a rear overhang split mounting line.
Background
The automobile industry rear suspension assembly is mainly installed in a split charging mode, the mainstream moment process of the automobile factory rear suspension in China adopts a wind plate and hand torque force and adopts wireless Bluetooth and WIFI to transmit data, and the mode has the problems of unstable signal transmission and data acquisition leakage; foreign automobile enterprises replace manual operation with robots, so that the investment cost is very high, the maintenance cost is high, the investment is more, and the output is less. The rear suspension production process has 86 important torque points, the important torque points are fastened by an electric wrench, and the existing electric wrench has the advantages that the torque stability is high, the abnormal torque occurs, the alarm function is realized, and the following defects are also existed:
1. the electric wrench is screwed up the database and can not contact with the AS400 system, so that the torque database can not be matched with the VIN, and the problem of difficult quality improvement exists.
2. The moment database can't be used in tracing back, if the quality is bad, team and group can't utilize the moment database to trace back, can only trace back 30 to bad car front and back, and is inefficient, with high costs, if calculate according to man-hour and chase after 30 platform trucks needs: 10 persons/5 hours.
In summary, in the field management of the existing automobile rear overhang loading line, the data of the electric wrench device is distributed, so that the basis for improving the quality and the help for tracing the poor quality cannot be provided, and the quality management working mode and method are in urgent need of improvement.
Disclosure of Invention
The embodiment of the invention provides a method and a system for managing the process quality of a rear overhang distribution line, which aim to solve the technical problems, realize the centralized management of process data of equipment and quality data of each process, effectively improve the production efficiency and improve the convenience of quality management.
In order to solve the above technical problem, an embodiment of the present invention provides a method for managing quality of a rear overhang split mounting line process, including:
acquiring bar code information uploaded by a suspension bar code after scanning by a first station scanning gun;
writing the bar code information into a Tag module of the rear suspension;
when the rear suspension is assembled in a whole vehicle, the obtained serial number of the rear suspension and the vehicle body number are bound and stored in an associated manner; the rear suspension serial number is obtained by scanning a rear suspension bar code by using a combined station scanning gun for identification, and the vehicle body number is obtained by scanning a vehicle body frame bar code by using the combined station scanning gun for identification;
after the rear suspension frame is screwed up, screwing data containing the bar code information in a screwing database system is collected and stored; and the tightening data in the tightening database system is read by the tightening system through the RFID module, and is uploaded in a manner of being correlated with the tightening data of the tightening gun controller.
Further, the writing of the barcode information into the Tag module of the rear suspension specifically includes:
writing the bar code information into a Tag module of the rear suspension;
reading the bar code information in the Tag module and judging whether the bar code information in the Tag module is matched with the bar code information needing to be written;
if yes, sending out prompt information for successful writing of the bar code information;
if not, the bar code information writing operation is executed again.
Further, the reading the barcode information in the Tag module and judging whether the barcode information in the Tag module is matched with the barcode information to be written, further includes:
and sending out bar code information to write abnormal prompt information when the bar code information in the Tag module is judged to be not matched with the bar code information needing to be written for three times.
Further, the acquisition mode of the rear suspension serial number and the vehicle body number is specifically as follows:
scanning the bar code of the rear suspension by using a scanning gun at a combined station to identify and obtain the serial number of the rear suspension;
and after the rear suspension serial number is judged to be normal, scanning a vehicle body frame bar code by adopting the combined station scanning gun to identify and obtain the vehicle body number.
Further, the method for acquiring the tightening data in the tightening database system includes:
the tightening system reads the barcode information in the Tag module through the RFID module and sends the barcode information to the tightening gun controller, so that the tightening gun controller associates the barcode information with data information in the tightening process and uploads the barcode information to the tightening database system.
In order to solve the same technical problem, the invention also provides a process quality management system of the rear overhang split mounting line, which comprises the following steps:
the acquisition module is used for acquiring bar code information uploaded by a suspension bar code after the scanning of the first station scanning gun;
the writing module is used for writing the bar code information into a Tag module of the rear suspension;
the association module is used for binding and associating the acquired serial number of the rear suspension with the vehicle body number when the rear suspension is assembled in a whole vehicle; the rear suspension serial number is obtained by scanning a rear suspension bar code by using a combined station scanning gun for identification, and the vehicle body number is obtained by scanning a vehicle body frame bar code by using the combined station scanning gun for identification;
the acquisition module is used for acquiring and storing tightening data containing the bar code information in a tightening database system after the rear suspension tightening operation is finished; and the tightening data in the tightening database system is read by the tightening system through the RFID module, and is uploaded in a manner of being correlated with the tightening data of the tightening gun controller.
Further, the write module is specifically configured to:
writing the bar code information into a Tag module of the rear suspension;
reading the bar code information in the Tag module and judging whether the bar code information in the Tag module is matched with the bar code information needing to be written;
if yes, sending out prompt information for successful writing of the bar code information;
if not, the bar code information writing operation is executed again.
Further, the write module is further configured to:
and sending out bar code information to write abnormal prompt information when the bar code information in the Tag module is judged to be not matched with the bar code information needing to be written for three times.
Further, the acquisition mode of the rear suspension serial number and the vehicle body number is specifically as follows:
scanning the bar code of the rear suspension by using a scanning gun at a combined station to identify and obtain the serial number of the rear suspension;
and after the rear suspension serial number is judged to be normal, scanning a vehicle body frame bar code by adopting the combined station scanning gun to identify and obtain the vehicle body number.
Further, the method for acquiring the tightening data in the tightening database system includes:
the tightening system reads the barcode information in the Tag module through the RFID module and sends the barcode information to the tightening gun controller, so that the tightening gun controller associates the barcode information with data information in the tightening process and uploads the barcode information to the tightening database system.
Compared with the prior art, the invention has the following beneficial effects:
the embodiment of the invention provides a method and a system for managing the process quality of a rear overhang split mounting line, wherein the method comprises the following steps: acquiring bar code information uploaded by a suspension bar code after scanning by a first station scanning gun; writing the bar code information into a Tag module of the rear suspension; when the rear suspension is assembled in a whole vehicle, the obtained serial number of the rear suspension and the vehicle body number are bound and stored in an associated manner; and after the rear suspension frame is screwed, acquiring and storing screwing data containing the bar code information in a screwing database system. The centralized management of the process data of the equipment and the quality data of each process can be realized by implementing the method, so that the production efficiency is effectively improved, and the convenience of quality management is improved.
Drawings
Fig. 1 is a schematic flow chart of a method for managing quality of a rear overhang split-mounting line process according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a first step of a method for managing quality of a rear overhang split-mounting line process according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a second step of a method for managing quality of a rear overhang split-mounting line process according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a third step of a method for quality management of a rear overhang distribution line process according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating a fourth step of a method for quality management of a rear overhang distribution line process according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a rear overhang distribution line process quality management system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a method for quality management in a rear overhang split mounting line process, including the steps of:
s1, acquiring bar code information uploaded by the suspension bar code after the scanning of the first station scanning gun;
and S2, writing the bar code information into a Tag module of the rear suspension. Further, step S2 specifically includes:
writing the bar code information into a Tag module of the rear suspension;
reading the bar code information in the Tag module and judging whether the bar code information in the Tag module is matched with the bar code information needing to be written;
if yes, sending out prompt information for successful writing of the bar code information;
if not, the bar code information writing operation is executed again.
In the embodiment of the invention, further, when the barcode information in the Tag module is judged to be not matched with the barcode information needing to be written for three times, barcode information is sent out and abnormal prompt information is written.
S3, when the rear suspension is assembled in a whole vehicle, the obtained serial number of the rear suspension and the vehicle body number are bound and stored in an associated mode; wherein, back suspension serial number is for adopting the scanning of combining the station scanning rifle the back suspension bar code is discerned and is obtained, the automobile body number is for adopting the scanning automobile body frame bar code of combining the station scanning rifle is discerned and is obtained.
In the embodiment of the present invention, further, the acquisition manner of the rear suspension serial number and the vehicle body number specifically includes:
scanning the bar code of the rear suspension by using a scanning gun at a combined station to identify and obtain the serial number of the rear suspension;
and after the rear suspension serial number is judged to be normal, scanning a vehicle body frame bar code by adopting the combined station scanning gun to identify and obtain the vehicle body number.
S4, after the rear suspension frame is screwed, screwing data containing the bar code information in a screwing database system is collected and stored; and the tightening data in the tightening database system is read by the tightening system through the RFID module, and is uploaded in a manner of being correlated with the tightening data of the tightening gun controller.
In the embodiment of the present invention, further, the obtaining method of the tightening data in the tightening database system includes:
the tightening system reads the barcode information in the Tag module through the RFID module and sends the barcode information to the tightening gun controller, so that the tightening gun controller associates the barcode information with data information in the tightening process and uploads the barcode information to the tightening database system.
It should be noted that, 86 are total in the important moment points of rear suspension production technology, and important moment point adopts electric spanner to fasten, and the advantage of current electric spanner is that moment stability is strong and moment appears unusually to have the alarming function, but also has the shortcoming:
1. the electric wrench tightening database cannot be connected with the AS400 system, the problem that the tightening torque database cannot be matched with the vehicle body number, the K1 value cannot reach the linkage effect (1.4), and the problem that quality improvement is difficult exists.
2. The torque database can not be used in tracing, if the quality is poor, a team and a team can not trace by using the torque database, only 30 vehicles can be traced from the front to the back of a poor vehicle, and the efficiency is low. Calculating 30 chasing cars according to working hours: 10 persons/5 hours, (2018 because of bad retrospection consumption man-hour 10 persons 20 hours ═ 200 hours/12 thousand yuan)
The invention discloses a rear suspension moment process quality management PQM system, which realizes complete equipment network connection quality data and one-vehicle and one-file management.
Defining: the rear overhang split line torque Process Quality Management system (PQM) is a Quality Management system built by a Quality information system project.
In one embodiment, the present invention may be implemented by the following method steps:
firstly, attaching a PC printing bar code on a rear suspension (see figure 2):
1. description of the function: when a new rear suspension frame comes on line, an operator takes down the bar code from the printer port, and clicks to print if no bar code exists. Comparing whether the bar code is consistent with the screen display or not, and if so, pasting the bar code on the surface of the rear suspension; and scanning the bar code input system by a code scanning gun. The printer can automatically print a bar code for the next use, and an operator can click a station release button to release the bar code, so that the rear suspension frame flows to the next station.
2 description of the operation:
when the current bar code is on line, the operator compares whether the current bar code is matched with the display information of the screen interface, if not, the operator manually clicks the current bar code in the printing interface, and then the comparison is correct.
And secondly, the page displays the current bar code information, the last bar code information and the latest bar code information list for reference.
Secondly, writing the bar code information into a Tag module (see fig. 3):
1. description of the function: when a new rear suspension frame reaches a rear suspension writing station, the system can automatically acquire bar code information from the background queue and write the bar code information into the Tag module, if the bar code information is successfully written, the interface displays that the bar code information is successfully written, and if the bar code information is not successfully written, the rewriting button needs to be clicked. The successfully written bar code information can be read and used by the next station, so that the function of data tracking of the rear overhang is achieved.
2. Description of the operation:
after the tray is in place, the reader-writer can write and read the Tag module, and bar code information in the queue is ensured to be written into the Tag module. If the interface prompt matches the exception, the rewrite button is manually clicked.
If the reading and writing are unsuccessful, the system can automatically rewrite, and if the reading and writing are unsuccessful for three times, the abnormity can be displayed on the interface.
And thirdly, after the successful bar code writing confirmation, the interface prompts the successful writing, and a release button can be pressed.
And fourthly, updating the background queue after the bar code is successfully read and written, and moving the queue information forward.
And thirdly, uploading the PQM system by mutually binding the bar code and the vehicle body number data (see figure 4):
1. description of the function: when the whole vehicle and the rear suspension are assembled, the bar code pasted on the surface of the rear suspension is scanned by using the code scanning gun, the rear suspension serial number is acquired, and the system can prompt the vehicle body number on the score card to be continuously scanned after the scanning is successful. After the vehicle body number and the rear suspension serial number are scanned successfully, the rear suspension serial number and the vehicle body number are uploaded to a PQM system, and the rear suspension is associated with the whole vehicle and quality data in respective production processes.
2. Description of the operation:
when the rear suspension and the whole vehicle are assembled, an operator uses the code scanning gun to scan the serial number of the rear suspension, and the interface displays the serial number of the rear suspension and prompts the scanning of the vehicle body number.
If the scanned rear overhang serial number is a scrapped rear overhang number or the rear overhang number does not exist in the system, the interface prompts that the bar code is abnormal.
And thirdly, after the rear overhang and the vehicle body number are successfully scanned, the interface prompts successful combination.
Fourthly, the PQM system will collect tightening data containing barcode information from the Toolsnet (tightening database) system (see fig. 5):
1. and in the production process, before an operator performs the screwing operation, the RFID automatically reads the bar code information in the Tag and then sends the bar code information to the screwing gun controller. After the tightening is completed, the tightening data information including the barcode information is uploaded to a toolnet system (tightening database), and the PQM system collects the tightening data including the barcode information from the system.
It should be noted that the quality management digital transformation fully utilizes the latest IOT technology, big data, mobile internet and cloud computing, and realizes the quality management of the process of the rear suspension assembly line, and compared with the prior art, the embodiment of the invention has the following beneficial effects:
1. the information is communicated and shared, and one-car one-file management is realized.
2. And the data of the heavy product process is integrated, the query efficiency is improved, and the quality assurance capability is improved.
3. The vehicle can quickly locate the bad events, and the reaction speed of the vehicle is improved within 8 hours after the bad events occur; the treatment efficiency is improved, and the adverse effect can be reduced as much as possible.
It should be noted that the above method or flow embodiment is described as a series of acts or combinations for simplicity, but those skilled in the art should understand that the present invention is not limited by the described acts or sequences, as some steps may be performed in other sequences or simultaneously according to the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are exemplary embodiments and that no single embodiment is necessarily required by the inventive embodiments.
Referring to fig. 6, in order to solve the same technical problem, the present invention further provides a system for managing quality of a rear suspension split-mounting line process, including:
the acquisition module 1 is used for acquiring bar code information uploaded by a suspension bar code after the scanning of the first station scanning gun;
the writing module 2 is used for writing the bar code information into a Tag module of the rear suspension;
the association module 3 is used for binding and associating the acquired serial number of the rear suspension with the vehicle body number when the rear suspension is assembled in a whole vehicle; the rear suspension serial number is obtained by scanning a rear suspension bar code by using a combined station scanning gun for identification, and the vehicle body number is obtained by scanning a vehicle body frame bar code by using the combined station scanning gun for identification;
the acquisition module 4 is used for acquiring and storing the tightening data containing the bar code information in the tightening database system after the rear suspension tightening operation is finished; and the tightening data in the tightening database system is read by the tightening system through the RFID module, and is uploaded in a manner of being correlated with the tightening data of the tightening gun controller.
Further, the writing module 2 is specifically configured to:
writing the bar code information into a Tag module of the rear suspension;
reading the bar code information in the Tag module and judging whether the bar code information in the Tag module is matched with the bar code information needing to be written;
if yes, sending out prompt information for successful writing of the bar code information;
if not, the bar code information writing operation is executed again.
Further, the writing module 2 is further configured to:
and sending out bar code information to write abnormal prompt information when the bar code information in the Tag module is judged to be not matched with the bar code information needing to be written for three times.
Further, the acquisition mode of the rear suspension serial number and the vehicle body number is specifically as follows:
scanning the bar code of the rear suspension by using a scanning gun at a combined station to identify and obtain the serial number of the rear suspension;
and after the rear suspension serial number is judged to be normal, scanning a vehicle body frame bar code by adopting the combined station scanning gun to identify and obtain the vehicle body number.
Further, the method for acquiring the tightening data in the tightening database system includes:
the tightening system reads the barcode information in the Tag module through the RFID module and sends the barcode information to the tightening gun controller, so that the tightening gun controller associates the barcode information with data information in the tightening process and uploads the barcode information to the tightening database system.
It can be understood that the above system item embodiments correspond to the method item embodiments of the present invention, and the system for managing process quality of a back-haul distribution line provided in the embodiments of the present invention can implement the method for managing process quality of a back-haul distribution line provided in any one method item embodiment of the present invention.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A process quality management method for a rear overhang split mounting line is characterized by comprising the following steps:
acquiring bar code information uploaded by a suspension bar code after scanning by a first station scanning gun;
writing the bar code information into a Tag module of the rear suspension;
when the rear suspension is assembled in a whole vehicle, the obtained serial number of the rear suspension and the vehicle body number are bound and stored in an associated manner; the rear suspension serial number is obtained by scanning a rear suspension bar code by using a combined station scanning gun for identification, and the vehicle body number is obtained by scanning a vehicle body frame bar code by using the combined station scanning gun for identification;
after the rear suspension frame is screwed up, screwing data containing the bar code information in a screwing database system is collected and stored; and the tightening data in the tightening database system is read by the tightening system through the RFID module, and is uploaded in a manner of being correlated with the tightening data of the tightening gun controller.
2. The rear overhang mounting line process quality management method according to claim 1, wherein the writing of the barcode information to a Tag module of the rear overhang mounting frame specifically includes:
writing the bar code information into a Tag module of the rear suspension;
reading the bar code information in the Tag module and judging whether the bar code information in the Tag module is matched with the bar code information needing to be written;
if yes, sending out prompt information for successful writing of the bar code information;
if not, the bar code information writing operation is executed again.
3. The method for managing the process quality of the rear overhang distribution line according to claim 2, wherein the reading of the barcode information in the Tag module and the judgment of whether the barcode information in the Tag module matches the barcode information to be written further comprises:
and sending out bar code information to write abnormal prompt information when the bar code information in the Tag module is judged to be not matched with the bar code information needing to be written for three times.
4. The rear suspension split charging line process quality management method according to claim 1, wherein the rear suspension serial number and the vehicle body number are obtained in a specific manner:
scanning the bar code of the rear suspension by using a scanning gun at a combined station to identify and obtain the serial number of the rear suspension;
and after the rear suspension serial number is judged to be normal, scanning a vehicle body frame bar code by adopting the combined station scanning gun to identify and obtain the vehicle body number.
5. The rear overhang mounting line process quality management method according to claim 1, wherein the tightening data in the tightening database system is acquired in a manner that includes:
the tightening system reads the barcode information in the Tag module through the RFID module and sends the barcode information to the tightening gun controller, so that the tightening gun controller associates the barcode information with data information in the tightening process and uploads the barcode information to the tightening database system.
6. A rear overhang split charging line process quality management system, comprising:
the acquisition module is used for acquiring bar code information uploaded by a suspension bar code after the scanning of the first station scanning gun;
the writing module is used for writing the bar code information into a Tag module of the rear suspension;
the association module is used for binding and associating the acquired serial number of the rear suspension with the vehicle body number when the rear suspension is assembled in a whole vehicle; the rear suspension serial number is obtained by scanning a rear suspension bar code by using a combined station scanning gun for identification, and the vehicle body number is obtained by scanning a vehicle body frame bar code by using the combined station scanning gun for identification;
the acquisition module is used for acquiring and storing tightening data containing the bar code information in a tightening database system after the rear suspension tightening operation is finished; and the tightening data in the tightening database system is read by the tightening system through the RFID module, and is uploaded in a manner of being correlated with the tightening data of the tightening gun controller.
7. The system for process quality management for a rear overhang distribution line of claim 6, wherein the write module is specifically configured to:
writing the bar code information into a Tag module of the rear suspension;
reading the bar code information in the Tag module and judging whether the bar code information in the Tag module is matched with the bar code information needing to be written;
if yes, sending out prompt information for successful writing of the bar code information;
if not, the bar code information writing operation is executed again.
8. The rear overhang split line process quality management system of claim 7, wherein the write module is further to:
and sending out bar code information to write abnormal prompt information when the bar code information in the Tag module is judged to be not matched with the bar code information needing to be written for three times.
9. The rear suspension split-assembly line process quality management system according to claim 6, wherein the rear suspension serial number and the vehicle body number are acquired in a specific manner:
scanning the bar code of the rear suspension by using a scanning gun at a combined station to identify and obtain the serial number of the rear suspension;
and after the rear suspension serial number is judged to be normal, scanning a vehicle body frame bar code by adopting the combined station scanning gun to identify and obtain the vehicle body number.
10. The rear overhang split line process quality management system of claim 6, wherein the tightening data in the tightening database system is obtained in a manner comprising:
the tightening system reads the barcode information in the Tag module through the RFID module and sends the barcode information to the tightening gun controller, so that the tightening gun controller associates the barcode information with data information in the tightening process and uploads the barcode information to the tightening database system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144038.8A CN112215515A (en) | 2020-10-22 | 2020-10-22 | Method and system for managing process quality of rear overhang split assembly line |
Applications Claiming Priority (1)
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