KR20230027385A - Sewing manufacture management system capable of managing component replacement cycle - Google Patents

Abstract

A sewing production management system using IoT technology according to an embodiment of the present invention includes a plurality of sewing devices and a production management server communicating with the plurality of sewing devices through a network. The sewing device includes a sewing device body, a first communication unit communicating with the production management server, an information collection unit for collecting production information including stitch information, and a control panel configured to output at least one of the production information and production management information received from the production management server, and to enable login and task settings for each worker. The production management server is configured to include a second communication unit which communicates with the first communication unit. The production management server stores and manages the production information received in the second communication unit, transmits the production management information input by a manager to the sewing device, updates standard replacement cycle references for each process for each component of the sewing device based on the received production information, and provides replacement cycle information for each component to each sewing device according to the standard replacement cycle reference for each process. Therefore, the present invention can generate and manage more accurate replacement cycle information.

Description

Sewing production management system capable of managing parts replacement cycle {SEWING MANUFACTURE MANAGEMENT SYSTEM CAPABLE OF MANAGING COMPONENT REPLACEMENT CYCLE}

The present invention relates to a sewing production management system, and more particularly, to automatically collect production information of a sewing machine using IoT technology, to update production management information based on the collected production information, and to manage parts replacement cycles. It relates to a sewing production management system using IoT technology.

Sewing operations are used in many manufacturing plants. The sewing operation is performed by a sewing device such as a sewing machine, and as the number of parts constituting the final finished product is diverse, the operation is performed in a large number of processes.

However, the problem of poor production efficiency often occurs because replacement cycles of parts of a plurality of sewing devices used in a plurality of processes are not efficiently managed.

In addition, in the case of making parts for automobiles by sewing, it is necessary to make parts with different specifications for each type of car, and since there are many parts in one car type, it is important to efficiently arrange the entire production process in each case. This is a very important issue. Even if the work standards and processes are determined, since each worker's skill level is different, the process line balance of each sewing device may collapse, resulting in a decrease in production efficiency.

In the case of Korean Patent Publication No. 10-2016-0133205, the number of rotations of the drive pulley for re-air is detected to calculate the amount of unwinding of the lower thread, and if the number of stitches calculated based on the calculated amount of unwinding is greater than the preset value, the lower thread is exhausted. It discloses a configuration that is judged to have been made. However, this patent discloses a configuration that provides only the replacement time of the lower thread, responds to various processes in a factory where a plurality of sewing devices are used, and has limitations in that it cannot manage the parts replacement cycle of sewing devices in the entire factory. there was.

In addition, Korean Patent Registration No. 10-1990362 discloses a production control system including a sewing module driven by a motor and a communication module and server connected thereto. This patent discloses a technology that automatically proceeds a series of work processes by preset sewing data, but does not suggest a solution for optimal process distribution and management in sewing production facilities where workers with different skills work. couldn't

Korean Patent Publication No. 10-2016-0133205 (2016.11.22) Korean Patent Registration No. 10-1990362 (2019.06.12)

The present invention relates to a sewing production management system, and more particularly, to automatically collect production information of a sewing machine using IoT technology, and to efficiently manage a parts replacement cycle of the sewing machine based on the collected production information. Its purpose is to provide a sewing production management system with

The tasks of the present invention are not limited to the tasks mentioned above, and other tasks not mentioned will be clearly understood by those skilled in the art from the following description.

A sewing production management system according to an embodiment of the present invention for solving the above problems includes a plurality of sewing devices and a production management server connected to and communicating with the plurality of sewing devices through a network, and the plurality of sewing devices. Each of them collects production information including stitch number information from a sewing machine main body including a stitch count counter sensor, a first communication unit that transmits and receives data with the production management server through a wired or wireless network, and the sewing machine main body. An information collection unit for transmitting the production information collected through the first communication unit to the production management server, and outputting at least one of the production information collected by the information collection unit and production management information received from the production management server; It is configured to include a control panel configured to enable log-in and job setting for each worker, and the production management server includes a second communication unit that transmits and receives data to and from the first communication unit of each of the plurality of sewing devices through a wired or wireless network. It is configured to include, store and manage the production information received by the second communication unit, transmit production management information input by a manager to the plurality of sewing devices, and based on the received production information, the sewing device It is possible to update the standard replacement cycle criteria for each part of the process, and provide replacement cycle information for each part to each of the plurality of sewing machines according to the standard replacement cycle criteria for each process.

In one embodiment, the production management server establishes an initial value of standard replacement cycle criteria for each part and the process in advance, and based on the average value of the production information received from the plurality of sewing devices, the standard replacement cycle for each process. Criteria can be updated.

In one embodiment, the parts for which the standard replacement cycle criteria for each process are set may include a lower thread, a needle, a saw tooth, a needle plate, a presser foot, and a needle bar.

In one embodiment, the standard replacement cycle criteria for each process includes standard stitch number information and standard time information, and the production management server includes work stitch number information and work time information of the plurality of sewing devices included in the production information. Based on the average value of , the standard replacement cycle criteria for each process may be updated.

In one embodiment, the production management server determines that the replacement cycle has arrived when the number of stitches of the sewing machine is equal to or greater than the reference number of stitches or the working time is greater than or equal to the reference time for each part for each process, and the sewing device It is possible to provide replacement cycle alarm information.

In one embodiment, the production management server reflects the work stitch information and the work time information of the sewing device at the time of replacement of the corresponding part included in the replacement information of the part of the sewing machine included in the production information, Standard replacement cycle criteria for each process can be updated.

In one embodiment, the production management server, based on the production information corresponding to each worker based on the log-in information of each worker input to the control panel of each sewing device, for each process classified for each worker Standard replacement cycle criteria can be set and updated.

In one embodiment, the production management server is configured to further include an output unit for outputting the production information and replacement cycle information for each part of the plurality of sewing devices, and the output unit for each process of the plurality of sewing devices and Replacement cycle information for each part including the stitch number information for each part, the work time information, the standard stitch number information, and the reference time information may be output.

In one embodiment, the production management server is configured to further include a stock management unit for managing the required stock quantity for each part of the sewing machine, and the stock management unit controls the required stock for each part based on the replacement cycle information for each part. A quantity may be generated and output to the output unit.

Sewing production management system using IoT technology according to an embodiment of the present invention may monitor the use status of each part for each process of a plurality of sewing devices, generate replacement cycle information, and provide it to each sewing device.

In addition, the sewing production management system using IoT technology according to an embodiment of the present invention can generate and manage more accurate replacement cycle information by updating the standard replacement cycle criteria for each process in real time based on production information of a plurality of sewing devices. can

In addition, the sewing production management system according to an embodiment of the present invention can automatically collect production information for each process and worker using IoT technology, and manage the database.

Effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the present specification.

1 is a schematic configuration diagram of a sewing production management system according to an embodiment of the present invention.
2 is a view showing a sewing device of a sewing production management system according to an embodiment of the present invention.
Figure 3 is a detailed configuration diagram showing the main detailed configuration of the sewing production management system according to an embodiment of the present invention.
4 to 7 are examples of parts replacement alarm information screens displayed on the control panel of the sewing device of the sewing production management system of the present invention.
8 is an example of a work progress screen displayed on a control panel of a sewing device of a sewing production management system using IoT technology according to an embodiment of the present invention.
9 is an example of a work standard setting screen displayed on a control panel of a sewing device of a sewing production management system using IoT technology according to an embodiment of the present invention.
10 is a diagram showing unit process information output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.
11 is a diagram showing production-related information output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.
12 is a view showing a screen in which a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention stores work standard information for each unit process received from a sewing device.
13 is a diagram showing comprehensive production performance information output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.
14 is a diagram showing detailed production performance information in the first column of FIG. 9 output by the production management server.
15 is a diagram showing a process distribution and automatic recommendation screen output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.
16 is a diagram showing work hours for each process according to initial line process distribution output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.
17 is a diagram showing the work time for each process in which the process line balance is adjusted, which is output by the production management server of the sewing production management system using IoT technology according to an embodiment of the present invention.
18 is a diagram showing a production efficiency comparison graph for each operation order output by a production management server of a sewing production management system using IoT technology according to an example of the present invention.
19 is a diagram showing a performance graph against work standards output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.
20 is a diagram showing a work abnormality information graph output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.
21 is a graph showing comprehensive production status information output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.
22 is a graph showing production status information and cause analysis information for unit processes output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.
23 is a graph showing production status information for each site output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to completely inform the person who has the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numbers designate like elements throughout the specification.

Hereinafter, a sewing production management system according to embodiments of the present invention will be described with reference to the drawings.

1 is a schematic configuration diagram of a sewing production management system using IoT technology according to an embodiment of the present invention.

Referring to FIG. 1, a sewing production management system 100 using IoT technology according to an embodiment of the present invention includes a plurality of sewing devices 200 and a production management server 300.

The sewing device 200 refers to a device such as a sewing machine for making parts or finished products of a preset shape using fabric such as cloth, and the production management server 300 is wired or wireless with a plurality of sewing devices 200. A data processing device such as a computer configured to transmit and receive data. The server 300 may be a personal computer, a laptop computer, a server computer, or the like.

2 is a diagram showing a sewing device of a sewing production management system using IoT technology according to an embodiment of the present invention.

Referring to FIG. 2, the sewing device 200 according to an embodiment of the present invention includes a sewing device main body 210 disposed above a table 220 for mounting, and information collection disposed at the bottom of the table 220. It is configured to include a control panel 250 supported and fixed to the top of the unit 230 and the table 220 through the cradle 240.

The sewing machine main body 210 is a generally used sewing machine main body, and a stitch number counter sensor 215 may be installed in the pulley 213 of the sewing machine main body 210 . The stitch count counter sensor 215 may be composed of a synchro sensor or a hall sensor to measure the number of revolutions of the pulley 213 and to sense the number of stitches. However, this is only an example, and the stitch number counter sensor 210 may be configured with a sensor or the like that counts the number of reciprocations of the thread take-up instead of the number of revolutions of the pulley 213.

As will be described later, parts for which a standard replacement cycle standard for each process is set may include a lower thread, a needle, a saw tooth, a needle plate, a presser foot, and a needle bar. The number of stitches that are standards for replacement for each part as described above may be set in advance by a manager. Based on the stitch number counter sensor 215 as described above, through sample operation, a manager can set initial values of stitch numbers corresponding to each replacement time of the lower thread, feed dog, needle plate, presser foot, and needle bar.

However, this is an embodiment, and various configurations such as a sensor that counts the number of times of use by detecting the motions of the lower thread, saw teeth, needle plate, presser foot, and needle bar are configured to be used at the time of replacement.

The information collection unit 230 is configured to receive data from the main body of the sewing device 210, collects various production information during sewing work, and transmits the collected production information to the production management server 300.

In this case, the production information may include information such as production quantity, production rate, working hours, facility operating hours, number of stitches, and number of thread trimmings. The stitch number information may be information collected by the stitch number counter sensor 210 . Facility operation time can also be determined by the number of revolutions of the pulley 213 or the number of reciprocations of the thread take-up, so it can be determined using information from the stitch count counter sensor 210. The thread cutting number information may be obtained from a thread trimming signal connection cable (not shown) connected to the information collection unit 230 from the sewing device main body 210 .

The production quantity and production rate can be calculated by comparing the counted number of stitches, trimming numbers, and machine operating hours with the number of stitches, trimming numbers, and machine operating hours stored in the work standard.

The working time may be calculated from the start and end points of the work input by the operator through the control panel 250 to be described later.

The control panel 250 may be fixed to the top of the table 220 through a rod-shaped holder 240, and a first communication unit 260 for wireless communication may be disposed above the control panel 250.

The control panel 250 may be configured to output at least one of the production information collected by the information collection unit 230 and the production management information received from the production management server 300, and to enable log-in and job setting for each worker. . For example, the control panel 250 is configured in the form of a touch screen and can receive inputs such as log-in and work setting inputs for each worker, and display necessary information among production information and production management information on the touch screen screen according to input values. can

At this time, the production management information may include replacement cycle information for each part of the sewing device 200 as will be described later.

The control panel 250 and the information collection unit 230 may be connected by a cable for data transmission and reception, and the cable may be configured to be accommodated in the hollow space of the holder 240.

The first communication unit 260 is connected to the second communication unit 350 of the production management server 300 through a wire or network to transmit and receive data. 2 shows a form in which the first communication unit 260 is configured as a Wi-Fi AP and wirelessly transmits and receives data. The first communication unit 260 does not necessarily have to be installed on the control panel 260 and may be installed on the information collection unit 230 and the cradle 220 .

In addition, additional devices may be further provided in order to maximize the production information collection function using the Internet of Things (IoT) technology.

For example, the sewing device 200 includes a sensor (not shown) that detects whether a worker is within a certain distance from the sewing device 200, and the production information includes information about the information at each worker's workplace based on the sensor value. Location information may be further included. At this time, the sensor may be composed of an ultrasonic sensor, an infrared sensor, and the like.

In addition, the sewing device 200 may further include a camera unit (not shown) that photographs at least a portion of the sewing operation, and the production information may further include image or video information captured by the camera unit.

The location information and image or video information may be transmitted to the production management server 300 through the first communication unit 260 and used for monitoring the production status of each worker.

3 is a detailed configuration diagram showing the main detailed configuration of the sewing production management system using IoT technology according to an embodiment of the present invention.

Referring to FIG. 3 , the sewing device 220 includes a sewing device body 210, a table 220, a stitch count counter sensor 215, an information collection unit 230, a control panel 250, and a first communication unit 260. It is configured to include, and the production management server 330 includes an input unit 310, a storage unit 320, an output unit 330, a data management unit 340, a second communication unit 350, a replacement cycle management unit 360, It is configured to include an inventory management unit 370 and a process knitting unit 380.

Description of the detailed configuration and operation of the sewing device 220 is omitted because it has already been described above with respect to FIG. 2 .

The production management server 300 includes a first communication unit 260 of each of the plurality of sewing devices 220 and a second communication unit 350 that transmits and receives data through a wired or wireless network, and is received by the second communication unit 350. production information stored and managed, and production management information input by a manager is transmitted to a plurality of sewing devices 200, and production management information updated to increase production efficiency based on the received production information is sent to a plurality of sewing devices. It is configured to be transmitted to each sewing device 200.

The input unit 310 serves to receive data input by a manager. The input unit 310 may include an input terminal capable of receiving external data or a device for inputting information by a worker such as a keyboard or a touch panel. Also, the input unit 310 may operate in conjunction with a programmed computer program.

The manager may input production management information including basic production information for each type of finished product, unit process information, and unit production related information to the input unit 310 . Basic production information by type of finished product means production-related information by type of final finished product to which each part to be made is applied. Unit process information is production-related information by each process unit. As information, it means work standard information including work conditions, equipment level, etc.

The storage unit 320 serves to store production information received from the sewing device 200 and production management information input to the input unit 310 into a database. As described above, the production management information may include replacement cycle information for each part of the sewing device 200 .

The output unit 330 serves to output production information and production management information. The output unit 330 may be an output terminal capable of transmitting data to an external display unit or a display unit such as a monitor or touch panel. Also, the output unit 310 may operate in conjunction with a programmed computer program.

The output unit 330 may output production information and replacement cycle information for each part of the plurality of sewing devices 200, and may output a graph showing the performance of each worker based on standard working hours.

In addition, the output unit 330 may be configured to provide alarm information indicating that the replacement period has reached when it is determined that the replacement period has reached a part of a specific sewing device 200 for a specific process.

In addition, the output unit 330 will be configured to output a graph representing the performance of each process or operator, and to provide alarm information including information on the corresponding process or operator when each performance exceeds a preset upper or lower limit criterion. can In this case, the alarm information may be process improvement solution information calculated according to a preset criterion based on performance of each process and worker.

In addition, the output unit 330 may be configured to provide preset alarm information to the sewing device 220 corresponding to the operator when each performance exceeds a preset upper or lower limit criterion.

The data management unit 340 serves to manage update of data stored in the storage unit 320 . Specifically, the data management unit 340 may update the data stored in the storage unit 320 based on the production information input from the input unit 310 according to a preset algorithm or a manager's input and store the updated data in the storage unit 320. there is. In addition, the data management unit 340 may generate data to be output to the output unit 330 based on the data stored in the storage unit 320 according to a preset algorithm or a manager's input and store it in the storage unit 320. .

The replacement cycle manager 360 updates the standard replacement cycle criteria for each part of the sewing machine 200 based on the production information received from the information collection unit 230 of the sewing machine 200, and the standard for each process. It serves to provide replacement cycle information for each part to each of the plurality of sewing devices 200 according to the replacement cycle.

The replacement cycle management unit 360 establishes an initial value of standard replacement cycle criteria for each process in advance, and is configured to update the standard replacement cycle criteria for each process based on an average value of production information received from a plurality of sewing devices 200. can

The standard replacement cycle criteria for each process is configured to include standard stitch number information and standard time information, and the replacement cycle management unit 360 includes information on the number of stitches and working time of a plurality of sewing devices 200 included in production information. Based on the average value, the standard replacement cycle criteria for each process can be updated.

The replacement cycle management unit 360 determines that the replacement cycle has arrived when the number of working stitches of the sewing machine is greater than or equal to the standard number of stitches or the working time is greater than or equal to the standard time for each part for each process, and the replacement cycle alarm information is sent to the sewing machine 200. It can be configured to provide.

Specifically, the replacement cycle management unit 360 reflects the work stitch information and work time information of the sewing device 200 at the time of replacement of the corresponding part included in the replacement information of the parts of the sewing device 200 included in the production information Standard replacement cycle criteria for each process can be updated.

In addition, the replacement cycle management unit 360 is based on the production information corresponding to each worker based on the log-in information of each worker input to the control panel 250 of each sewing device 200, a process that is divided for each worker It can be configured to set and update the standard replacement cycle criteria for each.

The replacement cycle management unit 360 includes a plurality of sewing devices 200 through the output unit 330, and the replacement cycle for each part including information on the number of stitches for each process and for each part, working time information, standard stitch number information, and standard time information. Information can be output, and the same content can be output to the control panel 250 of the sewing device 200.

The stock management unit 370 serves to manage the required stock quantity for each part of the sewing device 200 . Specifically, the remanagement unit 370 generates required stock quantity information for each part based on the replacement cycle information for each part calculated by the replacement cycle management unit 360 and outputs the information to the output unit 330 or the control panel 250. can

The process organizing unit 380 serves to organize an optimal process based on at least one information of target production capacity, production capacity, required number of people, and standard working hours. The process organization unit 380 may group processes based on at least one of equipment type, seam allowance, process classification, and difficulty level to reorganize processes.

In addition, the process organizing unit 380 may reorganize the process to adjust the process line balance based on the standard working hours.

In addition, the process organizing unit 380 updates the production management information to redistribute the process and target performance for each worker based on the performance and standard working hours for each worker, and through the second communication unit 350, It can transmit to each sewing apparatus 200.

At this time, the process knitting unit 380 sends production management information corresponding to each worker to each sewing device 200 based on the log-in information of each worker input to the control panel 250 of each sewing device 200. can be sent

The operation of the sewing production management system 100 according to the present invention according to the above configuration will be described with reference to FIGS. 4 to 23 below.

4 to 7 are examples of parts replacement alarm information screens displayed on the control panel of the sewing device of the sewing production management system of the present invention.

4, the control panel 250 of the specific sewing device 200 may display alarm information indicating that parts need to be replaced with respect to “needle” and “saw saw”.

Referring to FIG. 4, the current date is August 12, 2020, and in the case of needles, the standard date for replacement is August 10, 2020, and the standard number of stitches is 10,000. there is.

From this, it can be seen that the replacement time has not yet arrived based on the number of stitches, but the alarm is displayed after the replacement time has passed based on the reference date.

On the other hand, in the case of the sawtooth, the reference date is August 27, 2020, and although the replacement date has not yet been reached, it can be seen that an alarm is displayed indicating that the replacement cycle has been reached because the number of working stitches exceeds 132,321 based on the standard number of stitches of 120,000.

When a worker logs in, a notification pop-up window indicating that two parts need to be replaced may be displayed on the sewing device 200 as shown in FIG. 5 .

In FIG. 5 , when the operator clicks OK, a screen for managing the replacement cycle of parts is displayed as shown in FIG. 6 . It can be seen that the replacement date and cumulative number of stitches that exceed the replacement standard are prominently displayed on the needles and feeders that need to be replaced.

When the operator checks the needle parts and completes the replacement, and then clicks the “replacement complete” icon, the replacement date is reset to August 27, 2020 based on the set cycle of 15 days as shown in FIG. 7, and the accumulated number of stitches is 0 is reset

The screens of FIGS. 4 to 7 are merely examples, and various screens for setting replacement cycles may be displayed.

In FIGS. 4 to 7, information on the number of standard stitches and the standard time was used based on the standard replacement cycle for each process. Specifically, the reference time was set as the reference date.

The standard number of stitches and standard cycle (days) serving as replacement standards for each part in FIGS. 4 to 7 may be input in advance by a manager.

The replacement cycle alarm information for each part may be generated when it is checked whether the number of stitches of each sewing device 200 has reached the standard number of stitches or whether the current date has reached the replacement date during actual work, and any one is satisfied.

As shown in FIG. 7, when the operator checks the alarm information and replaces the part, and then clicks “replacement complete”, the cumulative number of stitches and working hours (working days) information for the part until the replacement time is based on the standard replacement cycle for each process. can be reflected.

7 shows that the standard replacement cycle for each process does not change and only the next replacement date is updated according to the corresponding standard, but the standard number of stitches and standard time information can be updated according to the replacement information of the plurality of sewing devices 200.

For example, when replacement of needles is completed during a process for a specific product, information on working hours and number of stitches of a specific sewing device 200 until the corresponding needle replacement is accumulated in a database and used to calculate an average value.

That is, the replacement cycle management unit 360 of the production management server 300 receives replacement information of parts included in production information from a plurality of sewing devices 200 to update the reference time and reference stitch number information for each part, and By averaging, the standard time and standard stitch number information can be updated in real time.

For example, in the case of updating in the above manner in FIG. 7 , the reference cycle for needles may be slightly lowered to reflect 8,876 cumulative stitches of 10,000 stitches, and the replacement cycle may be slightly higher than 15 days.

As described above, more accurate reference data can be utilized by collecting the big data of the plurality of sewing devices 200 and updating the standard replacement cycle criteria for each process.

In addition, this standard replacement cycle information can be established for each process, and for each process, it can also be established for each worker, so that the replacement cycle reference value can be operated as an average value for all workers according to the manager's settings, If necessary, a replacement cycle reference value may be operated based on specific user information.

If the average and standard deviation of the replacement information value of a specific user are too severe, the replacement cycle standard value using only the user data for the specific user can be applied to increase accuracy by operating a customized replacement cycle standard value for each user. There is an effect.

The present invention grasps the usage status of parts of a plurality of sewing devices 200 in real time in a factory where a plurality of sewing devices 200 are used in the same way as described above, and the operator of a specific sewing device 200 according to a preset standard. Part replacement alarm information may be provided to the user in real time through the control panel 250 .

In addition, the manager can monitor the parts usage status of the sewing devices 200 of the entire factory by the production management server 300, and manages the inventory by ordering necessary parts in advance according to the required inventory quantity provided by the inventory management unit 370. can be carried out smoothly.

8 is an example of a work progress screen displayed on a control panel of a sewing device of a sewing production management system using IoT technology according to an embodiment of the present invention.

The work progress screen of FIG. 8 shows the target quantity, the current quantity, the production standard, the number of stitches, and the thread trimming when the worker with the worker number “20120404” logs in to the sewing device 200 and is performing the work of the batch process number “G_DNB_FC_07”. Production information such as number is displayed. As each detailed process included in the batch process progresses, the overall process progress rate may be displayed, and the detailed process currently in progress may be identified on the left side.

9 is an example of a work standard setting screen displayed on a control panel of a sewing device of a sewing production management system using IoT technology according to an embodiment of the present invention.

If there is no standard data already prepared to set work standards, it is necessary to select a standard worker and perform sample work to obtain work standard data. When the standard worker is selected, the standard worker can start the sample work by selecting the process number assigned to him/her through the control panel 250.

9 shows that the sample operation for the process number “P_DN8_FB_01” was performed 5 times. When the standard operator clicks the “Exit” icon and then the “Calculate” icon, the average data for the sample work can be calculated and displayed. At this time, information and average data on the sample work may be transmitted to the production management server 300 through the first communication unit 260 . This average data is included in the production management information in the production management server 300 and managed, which will be described later in relation to FIG. 12 .

10 is a view showing unit process information output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention, and FIG. 11 is sewing using IoT technology according to an embodiment of the present invention. It is a diagram showing production-related information output by the production management server of the production management system.

Referring to FIG. 10, information such as “finished product image, process number, product type, process classification, difficulty, working time, etc.” is displayed for each unit process for part “FB” of the vehicle model “DN8”. , detailed production-related information of the process number “P_DN8_FB_009” in FIG. 6 is displayed. Production-related information includes work standard information including work conditions and facility information. The manager can change process numbers, finished product images, components, etc. on the screen of FIG. 11 .

12 is a view showing a screen in which a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention stores work standard information for each unit process received from a sewing device.

12 shows detailed production-related information of process number “P_DN8_FB_001”, and “standard information” is displayed in a dotted box. “Standard information” includes total work time, net facility operation time, number of stitches, number of thread trimmings, sewing length, stitch length, and number of operations.

The total work time, net facility operation time, number of stitches, and thread cutting information entered in FIG. 12 correspond to average values calculated by the sample work for setting the work standard in FIG. 5 . That is, when the average value is calculated by the sample work of the standard worker in FIG. 5, the average value information is transmitted to the production management server 300, and as shown in FIG. 12, the standard information of the detailed production-related information of the automatically corresponding process number. will be entered into Of course, the administrator can also manually change the corresponding standard information value by clicking the “Standard Settings/Change” icon.

13 is a view showing comprehensive production performance information output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention, and FIG. 14 is a detailed view of the first column of FIG. 13 output by the production management server. It is a diagram showing production performance information.

As shown in FIGS. 13 and 14, the sewing production management system 100 using the IoT technology according to an embodiment of the present invention collects production information in real time according to the progress of the sewing operation, and produces comprehensive production results by process, date, and worker. And detailed data for each item can be created and output.

15 is a diagram showing a process distribution and automatic recommendation screen output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.

Referring to FIG. 15, the manager selects “equipment type” as a bundle standard, sets the standard time to 240 seconds, and presses the “Simulation” icon to see that a total of 80 processes are divided into a total of 29 processes as shown on the right. You can check.

The above-mentioned process organization unit 380 performs this role, considering the target production volume, production capacity, required number of people, and standard working hours, but at least one of “equipment type, seam width, process classification, and difficulty” as a bundle standard can be set

The process organizing unit 380 may set the initial line of the process by efficiently distributing the processes by grouping the same or similar processes based on the same or similar equipment type, seam allowance, process classification, and difficulty level.

16 is a view showing the work time for each process according to the initial line process distribution output by the production management server of the sewing production management system using IoT technology according to an embodiment of the present invention, and FIG. 17 is an embodiment of the present invention. It is a diagram showing the work time for each process in which the process line balance is adjusted output by the production management server of the sewing production management system using IoT technology according to.

16 shows the working time for each process when the initial line is set by setting the working time for one sewing device 200 to 180 seconds, and FIG. 17 shows the working time for one sewing device 200 based on the standard working time. By setting the working time of 240 seconds, the working time for each process after the process line balance is adjusted is shown.

Compared to FIG. 16, it can be seen that the overall production efficiency is improved because the working time for each process in FIG. 17 is balanced for each process. The sewing production management system 100 of the present invention may be configured to automatically perform process line balancing based on standard working hours.

18 is a diagram showing a production efficiency comparison graph for each operation order output by a production management server of a sewing production management system using IoT technology according to an example of the present invention.

Referring to FIG. 18 , it is possible to check a graph in which production efficiency is compared by setting parameters to be compared based on work days for each detailed process. 18 shows a graph in which the efficiencies of two production orders are compared by setting the comparison target parameter to 2 for the FB, FC, RB, and RC processes. If the manager sets the comparison target parameter to 3 or more, efficiency comparison of 3 or more production orders may be possible.

The sewing production management system 100 of the present invention can help a manager derive an optimal production line by providing a production efficiency comparison graph for each production order.

19 is a diagram showing a performance graph against work standards output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.

Referring to FIG. 19, the production performance of each worker is shown graphically, such as a target working time. For example, in the case of the workers “Jinhee Gil” and “Kyungae Jang”, the performance is excessively low compared to the target working hours, and in the case of the worker “Soonae Kim”, the performance is excessively high compared to the target working hours. Therefore, in the case of “Kil Jin-hee” and “Jang Kyeong-ae”, it can be judged that additional processes or target quantities need to be increased, and in the case of “Kim Soon-ae”, it is judged that the process needs to be reduced or the target quantity needs to be reduced. can do. At this time, the criterion for determining that the change in the number of processes and the change in the target quantity may be determined by setting the upper limit value and the lower limit value in advance at a preset ratio based on the target working time.

The change in the number of processes and the change in the target quantity may be manually performed by a manager by looking at the graph of FIG. 19, but may be automatically performed by the process organizing unit 380 according to a preset algorithm.

That is, in a similar way as shown in FIG. 17, the process organizing unit 380 may be configured to automatically readjust the change in the number of processes and the change in the target quantity for each worker so that the performance of each worker waiting for target performance can be equally matched. .

20 is a diagram showing a work abnormality information graph output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention.

Referring to FIG. 20, a worker's working time is shown in a graph, and if it exceeds the upper limit value and the lower limit value set in advance, it can be determined as a work abnormality and visually displayed. For example, the peak point on the left, close to 600 seconds, is due to excessive auxiliary work other than sewing work, and the second peak point on the right, with a working time of about 322 seconds, corresponds to work loss due to negligence. Although it is not possible to accurately specify a specific cause only with working hours, if a working hour outside the preset upper and lower limits occurs, it is possible to efficiently manage production by providing alarm information including information on the relevant process and operator to the manager. .

At this time, preset alarm information may be provided to the control panel 250 of the sewing device 200 corresponding to the operator so that the operator can focus on production.

When the above work abnormality occurs, it is possible to determine the presence or absence of the work abnormality more quickly by providing the worker's location information and image or video information to the manager.

21 is a graph showing comprehensive production status information output by a production management server of a sewing production management system using IoT technology according to an embodiment of the present invention, and FIG. 18 is a graph using IoT technology according to an embodiment of the present invention. It is a graph showing the production status information and cause analysis information about the unit process output by the production management server of the sewing production management system.

21 shows a graph provided so that information such as production target progress rate, working time, and production quantity can be grasped at a glance for each production process unit category. Therefore, it is possible to share information between multi-model/multi-spec production processes, and as shown in FIG. 23, the overall production status can be shared between production sites (eg, Cheonan Plant, Ulsan Plant, Gwangju Plant).

22 shows the production status information for the unit process, and it can be seen that the production rate icon is displayed in green, yellow, and red according to the production progress rate. If it is displayed in red, the production progress rate does not reach the preset lower limit. If you click the item, detailed production performance information appears as shown on the right screen. At this time, a performance graph against target working hours is displayed so that the manager can easily determine the problem.

Of course, it may be configured to automatically generate a notification window with a message or the like by analyzing problems with items displayed in red due to a low progress rate according to a preset algorithm.

Those skilled in the art to which the present invention pertains will understand that the present invention can be embodied in other specific forms without changing its technical spirit or essential features. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. The scope of the present invention is indicated by the following claims rather than the detailed description above, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention. do.

100: sewing production management system 200: sewing device
210: sewing device body 213: pulley
215: stitch counter sensor 220: table
230: information collection unit 240: cradle
250: control panel 260: first communication unit
300: production management server 310: input unit
320: storage unit 330: output unit
340: data management unit 350: second communication unit
360: replacement cycle management unit 370: inventory management unit
380: process organization unit

Claims (9)

In the sewing production management system using IoT technology including a plurality of sewing devices and a production management server connected to and communicating with the plurality of sewing devices through a network,
Each of the plurality of sewing devices,
A sewing machine main body including a stitch number counter sensor, a first communication unit for transmitting and receiving data to and from the production management server through a wired or wireless network, and collecting production information including stitch number information from the sewing machine main body and the first communication unit An information collection unit that transmits the production information collected through the production management server and outputs at least one of the production information collected by the information collection unit and the production management information received from the production management server, and log-in for each worker And a control panel configured to enable operation setting,
The production management server,
It is configured to include a second communication unit for transmitting and receiving data to and from the first communication unit of each of the plurality of sewing devices through a wired or wireless network, and stores and manages the production information received by the second communication unit, and by a manager The input production management information is transmitted to the plurality of sewing devices, and based on the received production information, a standard replacement cycle standard for each part of the sewing device is updated for each process, and according to the standard replacement cycle standard for each process A sewing production management system for providing replacement cycle information for each part to each of the plurality of sewing devices.
According to claim 1,
The production management server builds an initial value of the standard replacement cycle standard for each part and the process in advance, and updates the standard replacement cycle standard for each process based on the average value of the production information received from the plurality of sewing machines Sewing production management system characterized in that.
According to claim 2,
The parts for which the standard replacement cycle criteria for each process are set include a lower thread, a needle, a saw tooth, a needle plate, a presser foot, and a needle bar.
According to claim 2,
The standard replacement cycle criteria for each process is composed of reference stitch number information and reference time information,
Wherein the production management server updates the standard replacement cycle criteria for each process based on an average value of the number of stitches and working time information of the plurality of sewing devices included in the production information.
According to claim 4,
The production management server determines that a replacement cycle has arrived when the number of stitches of the sewing machine is equal to or greater than the reference number of stitches or the working time is greater than or equal to the reference time for each part for each process, and alarms the replacement cycle to the sewing machine. A sewing production management system characterized in that it provides information.
According to claim 5,
The production management server reflects the stitch number information and the working time information of the sewing device at the time of replacement of the corresponding part included in the replacement information of the parts of the sewing machine included in the production information, and replaces the standard for each process. Sewing production management system, characterized in that for updating the cycle standard.
According to claim 4,
The production management server, based on the production information corresponding to each worker based on the log-in information of each worker input to the control panel of each sewing device, based on the standard replacement cycle for each process divided by each worker Sewing production management system, characterized in that for setting and updating.
According to claim 4,
The production management server is configured to further include an output unit for outputting the production information and replacement cycle information for each part of the plurality of sewing devices,
The output unit outputs replacement cycle information for each part including the work stitch number information, the work time information, the reference stitch number information, and the reference time information for each process and part of each of the plurality of sewing devices. Characterized in that Sewing production management system.
According to claim 8,
The production management server is configured to further include an inventory management unit for managing the required inventory quantity for each part of the sewing device,
The sewing production management system, characterized in that the inventory management unit generates a required stock quantity for each part based on the replacement cycle information for each part and outputs it to the output unit.

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