KR102523110B1 - Modular workstation system - Google Patents

Abstract

The present invention relates to a modular workstation system which comprises a main server and a plurality of workstations connected to a conveyor device. The main server includes a memory in which a workstation control program is stored and a processor which executes the workstation control program. The workstation control program is configured to: receive a plurality of pieces of work instruction information from a manager terminal; and perform work distribution so that work is performed for each workstation based on information on the workstation and information on a worker working at the workstation, wherein according to each work distribution, the work instruction information is transmitted to the corresponding workstation. The workstation comprises: a support for loading an object to be processed; a lower support part formed in a frame structure and supporting the support; a plurality of wheels installed on a lower end of the lower support part to make the workstation moveable; a display unit which displays the work instruction information regarding the work on the object to be processed; and an upper support part which supports the display unit and extends from an upper end of the lower support part. The conveyor device is controlled to transport the object to be processed to a location near a designated workstation according to the work distribution. According to the present invention, a modular workstation system is provided so that it is possible to provide a production system which can rebuild a production line in a short period of time even when a production method or production variety changes during a production process.

Description

Modular Workstation System {MODULAR WORKSTATION SYSTEM}

The present invention relates to a modularized workstation system, and more particularly, to a system that separates and combines a plurality of workstations to provide an optimized process.

In the conventional manufacturing field, as one of the methods for producing products, a so-called line production method using a conveyor device has been mainly used.

In the line production method, a plurality of stations are installed along a conveyor device line, workers, production facilities, tools, parts, members, etc. are arranged at each station, and work objects are sequentially transferred to a plurality of worktables by a conveyor line, In each work table (workstation), a predetermined work process is performed to produce a product.

However, while this line production method is suitable for mass production of a small number of products, it requires a large amount of equipment investment and is difficult to respond flexibly to changes in product specifications.

In the case of relatively small-scale workplaces, since there are various types of products produced on the production line and product specifications are frequently changed during the production process, it is possible to change production types or production methods at any time according to the delivery date of the products to be produced. production method is required.

Accordingly, there is a need for a production system capable of flexibly changing production varieties or production methods and supporting workers to quickly assemble products.

The present invention is to solve the problems of the prior art described above, by providing a modular workstation system so that a worker or manager performing a specific process can flexibly change a production variety or production method, and quickly assemble a product. It aims to provide a system that supports

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood from the description below.

As a technical means for achieving the above-mentioned technical problem, a modular workstation system according to an embodiment of the present invention includes a main server and a plurality of workstations connected to a conveyor device, wherein the main server includes a workstation It includes a memory storing a control program and a processor that executes the workstation control program, wherein the workstation control program receives a plurality of work instruction information from a manager terminal and works on the workstation information and the workstation. Work distribution is performed so that work is performed for each workstation based on worker information, and the work instruction information is transmitted to a corresponding workstation according to each work distribution, and the workstation is configured to load a work object. A pedestal, a lower support portion formed of a frame structure to support the pedestal, a plurality of wheels installed at the lower end of the lower support portion so that the workstation can move, and a display unit displaying the work instruction information for the work of the work object; and an upper support portion supporting the display portion and extending from an upper end of the lower support portion, wherein the conveyor device may be controlled to transfer the work object to a location near a designated workstation according to the job distribution.

In addition, the workstation can be moved from the previous location to another location, and the number of workstations in the work place can be increased or decreased, and the main server updates and stores the location and identification information of each workstation in the work place. It may be to perform the work distribution.

In addition, it is installed on the shelf of the parts warehouse to load each part, communicate with the main server through a communication module and an LED module, and further include a plurality of digital trays that emit light to inform a worker of a pickup signal. can

In addition, when the work instruction information includes part information necessary for a job to be performed at the workstation, the main server identifies a digital tray on which the parts information is loaded and transmits the work instruction information to the identified digital tray; The digital tray receiving the work instruction information may perform an operation of flickering the LED module until a pick-up completion button is pressed by a worker.

In addition, the work instruction information may include at least one or more of description information about a work process, job type information, and parts information to be used in each job.

In addition, the main server includes a plurality of workstation identification information pre-stored in the main server, work efficiency information for each worker, work state information of the workstation received from the edge server, a plurality of worker-workstation matching information, and current The work distribution may be performed to maximize work efficiency based on the workstation and worker information being worked on, and the work distribution information may be provided to the manager terminal through a manager UI.

In addition, when the main server receives a change input for adding, removing, or changing the location of a workstation in a preset workspace from the manager terminal, the main server distributes the work to maximize work efficiency based on the received change input. may be re-executing.

In addition, the workstation may include a fastening unit for guiding fastening of parts included in the work object and checking fastening states; And an edge server that receives fastening state information from the fastening unit, generates current working state information based on the current fastening state information relative to the entire fastening target to be completed for the work object, and displays it through the display unit. The display unit may display a guide image for a job corresponding to the job instruction information according to control of the edge server.

In addition, the main server may calculate the work efficiency of each worker based on the work state information of the workstation received from the edge server, and perform work distribution for a new job in consideration of the calculated work efficiency. .

In addition, the main server assigns different types of work to each workstation, and even if there are a plurality of workers performing the same type of work, the number of work distributions is varied according to the work efficiency and the current work progress state, and the work is distributed. may be performing

In addition, the workstation may include: a sensor unit for recognizing the position of the work object so that the work object transferred from the inlet end of the conveyor device moves to a designated position and stops; a pedestal for supporting the work object and determining that the work object has moved to a predetermined position when the operation of the conveyor device stops according to the signal received from the sensor unit; A tilting unit for tilting the pedestal so as to be close to the operator and tilting the pedestal so as to form an acute angle with respect to a horizontal plane; may be further included.

Also, the display unit may display work instruction information including image information of parts to be worked on in one area of the screen, job description information in another area, and current work step information in another area.

In addition, the edge server may receive job information from the fastening unit, identify which job has been completed among all jobs constituting work instruction information displayed on the display unit, and display the completed job through the display unit. .

In addition, when the edge server displays a plurality of tasks constituting the work instruction information through the display unit and receives a signal indicating that the task is completed by touching the displayed task through the touch screen of the display unit, the corresponding task When a plurality of tasks constituting the work order information are all completed, completion information, required time information, and work performer information of the work order information may be transmitted to the main server. .

The present invention can provide a production system capable of rebuilding a production line in a short period of time even if a production method or production variety is changed during the production process by providing a modular workstation system.

In addition, a work object for each of a plurality of workstations constituting the system is distributed and moved to the corresponding workstation for each task, and the moved work object can be tilted to provide convenient work performance.

Furthermore, it is possible to perform the most efficient work distribution by collecting information on work performed at each work table and determining the efficiency of work performed for each worker.

1 is a structural diagram of a modularized workstation system according to an embodiment of the present invention.
2 is a block diagram showing the internal configuration of a main server according to an embodiment of the present invention.
3 is a structural diagram of a digital tray according to an embodiment of the present invention.
Figure 4 is a front view of a workstation, in accordance with one embodiment of the present invention.
Figure 4a is an exemplary view related to an operation of detecting fastening by a fastening unit according to an embodiment of the present invention.
5A is a side view of a workstation, in accordance with one embodiment of the present invention.
5B is a side view of a tilted workstation according to an embodiment of the present invention.
6 is an exemplary view of movement of a work object according to an embodiment of the present invention.
7A is a side view of a workstation including a tilting rod, according to one embodiment of the present invention.
7B is a side view of a tilted workstation including a tilting rod according to an embodiment of the present invention.
8 is an exemplary view of additional movement of a workpiece through rotation of a roller according to an embodiment of the present invention.
9 is an exemplary view of an interface related to work instruction information displayed on a display unit according to an embodiment of the present invention.
10 is an exemplary view of an interface related to a self-inspection displayed on a display unit according to an embodiment of the present invention.
11 is an exemplary diagram of a manager interface provided to a manager terminal according to an embodiment of the present invention.
12 is a flowchart of a method for providing a modular workstation system according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail so that those skilled in the art can easily practice the present invention with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected" to another part, this includes not only the case where it is "directly connected" but also the case where it is "electrically connected" with another element interposed therebetween. . In addition, when a certain component is said to "include", this means that it may further include other components without excluding other components unless otherwise stated.

In this specification, a "unit" includes a unit realized by hardware, a unit realized by software, and a unit realized using both. Further, one unit may be realized using two or more hardware, and two or more units may be realized by one hardware. On the other hand, '~ unit' is not limited to software or hardware, and '~ unit' may be configured to be in an addressable storage medium or configured to reproduce one or more processors. Therefore, as an example, '~unit' refers to components such as software components, object-oriented software components, class components, and task components, processes, functions, properties, and procedures. , subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays and variables. Functions provided within components and '~units' may be combined into smaller numbers of components and '~units' or further separated into additional components and '~units'. In addition, components and '~units' may be implemented to play one or more CPUs in a device or a secure multimedia card.

A “terminal” referred to below may be implemented as a computer or portable terminal capable of accessing a server or other terminals through a network. Here, the computer is, for example, a laptop, desktop, laptop, VR HMD (for example, HTC VIVE, Oculus Rift, GearVR, DayDream, PSVR, etc.) equipped with a web browser, etc. can include Here, the VR HMD is for PC (for example, HTC VIVE, Oculus Rift, FOVE, Deepon, etc.), for mobile (for example, GearVR, DayDream, Stormtrooper, Google Cardboard, etc.), and for console (PSVR) and It includes all independently implemented Stand Alone models (eg, Deepon, PICO, etc.). A portable terminal is, for example, a wireless communication device that ensures portability and mobility, and includes not only a smart phone, tablet PC, and wearable device, but also Bluetooth (BLE, Bluetooth Low Energy), NFC, RFID, and ultrasonic waves (Ultrasonic). , various devices equipped with communication modules such as infrared, Wi-Fi, and LiFi. In addition, "network" refers to a connection structure capable of exchanging information between nodes such as terminals and servers, such as a local area network (LAN), a wide area network (WAN), and the Internet. (WWW: World Wide Web), including wired and wireless data communications networks, telephone networks, and wired and wireless television communications networks. Examples of wireless data communication networks include 3G, 4G, 5G, 3rd Generation Partnership Project (3GPP), Long Term Evolution (LTE), World Interoperability for Microwave Access (WIMAX), Wi-Fi, Bluetooth communication, infrared communication, ultrasonic communication, visible light communication (VLC: Visible Light Communication), LiFi, and the like, but are not limited thereto.

First, with reference to FIG. 1, a modularized workstation system according to an embodiment of the present invention will be described.

A modular workstation system according to an embodiment of the present invention includes a main server 100 , a plurality of workstations 200 , a conveyor device 300 and a manager terminal 400 .

In the present invention, the main server 100 efficiently distributes work objects moving through a conveyor device 300 to a plurality of workstations 200 for each workstation 200 according to a predetermined algorithm, and the distributed work objects This is a technology for tilting to make it easier for the worker to work and providing information on the distributed work to the manager terminal 400 .

Referring to FIG. 2, the main server 100 according to an embodiment of the present invention includes a communication module connected to and communicating with a communication network by wire or wireless, a memory in which a workstation control program (or application) is stored, a processor executing the above program, and It may be configured to include a DB (Data Base). Here, the processor may perform various functions according to the execution of programs stored in memory.

A plurality of workstations 200 according to an embodiment of the present invention are installed along the line formed by the conveyor device 300, and each workstation 200 includes a worker and a fastening unit 280, tools, parts, and A product may be produced by performing a worker's process on a work object transported by the conveyor device 300 after a member or the like is disposed.

According to another embodiment of the present invention, the workstation 200 may be implemented in various embodiments according to the weight and size of a work object or the configuration of the conveyor device 300, and each embodiment will be described later. .

Next, the conveyor device 300 is controlled to transfer the workpiece to be performed to the vicinity of the designated workstation 200 according to the work distribution, and the plurality of rollers 252 and the belt are combined to move the workpiece on the belt. It may be loaded and moved or configured by combining a plurality of rollers 252 and a chain 253.

The administrator terminal 400 is a user terminal owned by a manager of a manufacturing industry site and is connected to a communication network wired or wirelessly to communicate with the main server 100 or the edge server 210 to be described later, and a tablet PC or desktop with a workstation control program installed thereon. , laptops and smartphones.

Hereinafter, operations that can be performed in the modularized workstation system according to an embodiment of the present invention will be described.

The main server 100 according to an embodiment of the present invention may receive a plurality of work instruction information from the manager terminal 400 as the pre-installed workstation control program is executed.

Referring to FIG. 3 , the modularized workstation system may further include a plurality of digital trays 110 installed on shelves of a parts warehouse to load respective parts.

The digital tray 110 communicates with the main server 100 through a communication module and an LED module, and may emit light to inform a worker of a pickup signal.

After receiving the work instruction information from the manager terminal 400, the main server 100, when the work instruction information includes part information necessary for the work to be performed in the workstation 200, the digital tray on which the part information is loaded. (110) is identified and work instruction information is transmitted to the identified digital tray (110).

At this time, the work instruction information includes at least one or more of explanatory information about the work process to be performed by the operator, information on the type of work, and information on parts to be used in each work, and further includes a predetermined explanatory image and text for the work. can

The digital tray 110 receiving the work instruction information performs an operation in which the LED module flickers until the pick-up completion button is pressed by the operator, so that the operator intuitively selects a plurality of parts necessary for the work to be performed in the process to be described later. By distinguishing the digital tray 110 in which the blinking operation is completed and the digital tray 110 in the blinking operation, the operator may not receive the already received parts redundantly.

After the worker finishes receiving the parts, the main server 100 determines the identification information of the plurality of workstations 200 pre-stored in the DB, the work efficiency information for each worker, and the workstation 200 received from the edge server 210. Based on the work state information, the plurality of worker-workstation 200 matching information, and the currently working workstation 200 and worker information, the work distribution is performed to maximize work efficiency, and the work distribution information is provided. It can be provided to the manager terminal 400 through the manager UI.

At this time, the main server 100 allocates different types of work to be distributed to each workstation 200, and even if there are a plurality of workers performing the same type of work, the number of work distribution cases is determined according to work efficiency and the current work progress state. Alternatively, work distribution can be performed.

For example, assuming that a first worker and a second worker performing the same task A exist, the time required for the first worker to perform task A and the rate of occurrence of defects and the second worker performing task A By comparing the time required and the occurrence rate of defects, task A may be allocated to be distributed to the workstations 200 where workers with a relatively short time required and a low defect rate are disposed.

In addition, while the process is in progress, the main server 100 calculates the work efficiency of each worker based on the work status information received from the workstation 200, and distributes work for a new task in consideration of the calculated work efficiency. can also be performed.

At this time, the calculation of the work efficiency is performed according to a preset algorithm, and based on the performance rate of the plurality of tasks included in the specific work instruction information compared to the total work, the time required for each task to be performed, and the rate of occurrence of defects may be derived.

For example, assuming that the same worker, a third worker and a fourth worker performing task B exist, during the process, when the work status information of the third worker is compared with the work status information of the fourth worker, If the difference between the required time and the defect rate is greater than or equal to a preset difference, the main server 100 may allocate task B to be distributed to the workstations 200 where workers with a relatively short time required and a low defect rate are disposed.

According to an additional embodiment of the present invention, each worker disposed in the workstation 200 may be pre-stored in the DB of the main server 100, but the worker-workstation 200 matching information from the manager terminal 400 may be receiving.

In addition, when the main server 100 receives a change input for adding, removing, or changing the location of the workstation 200 in a preset workspace from the manager terminal 400, work efficiency is improved based on the received change input. The task distribution can be re-performed to maximize.

For example, while C workstation 200, D workstation 200, and E workstation 200 are performing the same task, an error occurs in C workstation 200 and the work is no longer possible. When the workstation 200 is removed from the production line, the main server 100 receives a change input notifying that the C workstation 200 has been removed from the manager terminal 400, and the C workstation 200 is Tasks can be assigned to workstations D and E (200).

The workstation 200 according to an embodiment of the present invention can be flexibly separated and combined with the production line, and can be coupled and separated from each other and each workstation 200, and is flexible to various variables occurring during production. can respond appropriately.

For example, assuming that a task requiring three workstations 200 to perform a first process, a second process, and a third process, respectively, is instructed, but there are currently only two workstations 200 that can be operated, The workstation 200 according to an embodiment of the present invention first performs the first process and the second process, and then the workstation 200 that performed the first process is the workstation 200 that performed the second process. By performing the third process by combining the back of , the work requiring three workstations 200 can be performed with only two workstations 200 .

Hereinafter, the workstation 200 according to an embodiment of the present invention will be described in detail.

Referring to FIG. 4, the workstation 200 according to an embodiment of the present invention includes a pedestal 250 for loading a work object, a lower support 270 formed in a frame structure to support the pedestal 250, A plurality of wheels installed at the lower end of the lower support part 270 so that the workstation 200 can move, a display part 230 displaying the work instruction information about the work of the work object, and a lower support part 270 supporting the display part It may be configured to include an upper support portion 260 extending from the upper end of the.

Therefore, the workstation 200 can be moved from the previous position to another position through the wheel installed at the bottom of the lower support 270, and is separated from and combined with the production line or a plurality of workstations 200 and moves alone to work. It is possible to increase or decrease the number of workstations 200 in a place.

At this time, according to another embodiment of the present invention, a separate safety device is additionally installed on the wheel, so that when the workstation 200 is tilting, the safety device fixes the wheel so that the workstation 200 in a tilting state Movement during tilting can be prevented.

After the tilting operation is performed, when the pedestal 250 of the workstation 200 is in a horizontal state, that is, when it is not tilting, it can move freely by releasing the fixation of the safety device wheel.

According to various embodiments of the present invention, the workstation 200 may be used to perform a plurality of tasks such as fastening, separating, combining, and packaging necessary for production, but hereinafter, the tasks performed by the workstation 200 It will be described assuming that fastening is performed among the plurality of operations.

To this end, the workstation 200 guides the fastening (work) of the parts included in the work object, receives the fastening unit 280 that checks the fastening state and fastening state information from the fastening unit 280, and It may include an edge server 210 that generates current work status information based on current engagement status information relative to the entire engagement target to be completed for engagement, and controls to display it through the display unit 230 .

At this time, the display unit 230 may display a guide image for a job corresponding to the work instruction information under the control of the edge server 210, and may be operated by a worker through a touch panel.

In addition, the workstation 200 according to an embodiment of the present invention may perform a tilting function of tilting a work object forward by a preset angle so that the operator can work conveniently.

At this time, the workstation 200 may be implemented in various embodiments according to conditions of a work place and a work object.

Typically, when a workpiece needs to be worked immediately on the conveyor device 300, a method of immediately tilting the workpiece on the conveyor device 300 (hereinafter referred to as A-type) and when the weight of the workpiece is greater than a preset size, the workpiece The station 200 tilts the workpiece, but the workpiece may fall to the inside of the lower part of the workbench so that the workpiece does not fall and tilt the worktable (hereinafter referred to as type B).

5A to 5B, the workstation 200, which provides a tilting function during movement during an A-type process, has a lower support 270 formed in a frame structure and a lower support 270 extending from the top of the lower support 270. Supported by the upper support part 260 and the lower support part 270, supported by the pedestal 250 for loading the work object, and the lower support part 270, tilting the pedestal 250 so that the work object is adjacent to the operator It is fixed to the tilting device 240 and the upper support part 260, and is fixed to the display part 230 and the upper support part 260 for displaying work instruction information about the work of the work object, and receives work instruction information from the outside to display the display part ( 230) may include an edge server 210 to display.

At this time, the tilting device 240 is installed under the pedestal 250 and selectively tilts the pedestal 250 by contacting the lower surface of the pedestal 250 to perform a lifting operation. Supported by, the pedestal support 243 formed between the lower surface of the pedestal 250 and the lifting part 242 to connect the lifting part 242 and the pedestal 250, by raising or lowering the pedestal 250 selectively. It may include a lifting part 242 for lifting to and a tilting auxiliary part main body 241 for accommodating the lifting part 242 .

At this time, the elevating unit 242 can not only tilt the pedestal 250 at various angles using a power cylinder, but also adjust the speed at which the pedestal 250 is tilted, so that the operator can tilt the pedestal 250 at an angle that is not desired between operations. In the case of tilting, the angle can be modified by arbitrarily manipulating the elevation part 242 at an angle easy to work, and an appropriate tilting speed can be set according to the weight of the work object so that the work object does not bounce toward the operator during tilting.

As shown, the pedestal 250 is formed such that a predetermined area of the upper surface is opened relative to the ground, a work object is loaded in the open area, and a plurality of fulcrum 251 is formed on the upper surface of the pedestal 250. It is formed to protrude in a direction perpendicular to the upper surface of the pedestal 250 at one edge area, so that when the pedestal 250 is tilted, the workpiece placed on the pedestal 250 can be prevented from falling.

In the A-type embodiment, the sensor unit 220 installed in the workstation 200 may recognize the position of the workpiece so that the workpiece moves to a designated position and stops.

Referring to Figure 6, in this embodiment, the workpiece is loaded on the pedestal 250 and moved along the conveyor device 300, but when the pedestal 250 reaches a preset position, it does not deviate from the conveyor device 300. can be tilted without

According to an embodiment of the present invention, the tilting device 240 is formed between a plurality of rollers 252 when the conveyor device 300 is formed by combining a plurality of rollers 252 and a chain 253 The tilting operation may be performed by pushing up the pedestal 250 through the space.

The sensor unit 220 may provide the recognized position of the workpiece to the tilting device 240 so that the tilting device 240 operates when it is determined that the workpiece has moved to a preset position.

According to an additional embodiment of the present invention, the location of the workpiece provided from the sensor unit 220 may be provided to the edge server 210 or the main server 100, and the tilting device 240 may be provided to the edge server 210 Alternatively, it may be tilted under the control of the main server 100 .

A plurality of tilting devices 240 are formed spaced apart from each other, and are connected in contact with the edge of the lower surface of the pedestal 250. By raising the , the lower part of the work object is pushed up and tilted so that the front of the operator faces the work object at a preset angle.

Regarding the tilted work object, the fastening part 280 is connected to the edge server 210 through the wire connected to the roller 252 installed on the upper frame of the upper support part 260 of the workstation 200, and the work object It guides the fastening of the parts included in and can check the fastening state.

Referring to Figure 4a, the fastening unit 280 according to an embodiment of the present invention recognizes the case where the fastening work for the fastening of bolts and nuts or screw assembly is completed and not completed, and turns on the light of the corresponding color. And, information on whether the work is completed or not completed may be provided to the edge server 210 .

At this time, the fastening work is at risk of various fastening defects such as hooking of impurities, bolt damage, lack of tightening force, etc. Exposed.

Since the fastening work performed for the production of products between processes is firmly coupled to the work object by bolts and nuts, for this purpose, the fastening part 280 of the present invention rotates the bolt with another part such as the work object or nut. It may include a fastening sensor (not shown) that detects the torque of the bolts generated during coupling, that is, rotational force (turning force), shear load, and tensile load.

The fastening sensor detects at least one of a preset torque value, a preload value, and a tensile load value, and if the detected value has a difference between the preset value and a predetermined value or more, it is determined that the corresponding fastening was not normally performed, and the fastening is performed. By controlling a negative lighting sensor (not shown) to light a preset color, for example, red, it is possible to help an operator intuitively recognize that a problem has occurred in the fastening.

On the other hand, when the fastening is normally performed, a predetermined color, for example, green may be turned on so that the operator can intuitively recognize that the fastening has been completed.

At this time, the edge server 210 receives the fastening state information, generates current work state information based on the current fastening state information compared to the entire fastening target for which fastening is to be completed with respect to the work object, and displays it through the display unit 230. can be provided for display.

On the other hand, referring to FIGS. 7A and 7B , in the B-type embodiment, the workstation 200 has a lower support part 270 formed in a frame structure and an upper support part 260 extending from the upper end of the lower support part 270. ), supported by the lower support part 270, supported by the pedestal 250 for loading the work object, and supported by the lower support part 270, tilting device 240 for tilting the pedestal 250 so that the work object is adjacent to the operator ), is fixed to the upper support 260, is fixed to the display unit 230 and the upper support 260 for displaying work instruction information for the work of the work object, and receives the work instruction information from the outside to display the display unit 230 It may include an edge server 210 to display through.

In addition, the tilting device 240 in this embodiment includes a tilting shaft 254 connected to the lower portion of the pedestal 250 and rotatably installed in the lower support 270 while crossing the pedestal 250 in the longitudinal direction, and A tilting axis controller 255 may be included to tilt the pedestal 250 by selectively rotating the tilting axis 254 in place.

As shown, assuming that an edge opposite to a position where a worker is disposed in the workstation 200 is a longitudinal edge, the tilting axis 254 may be disposed crossing the longitudinal direction of the bed.

In addition, the tilting shaft 254 is disposed at a position lower than the horizontal plane formed by the rollers or belts of the conveyor device 300, so that after the pedestal 250 is tilted, one area of the pedestal 250 is disposed below the horizontal plane , the other area is arranged above the horizontal plane to form an oblique shape so that the work object can form a diagonal to the front of the operator.

The tilting shaft 254 is connected to the lower surface of the pedestal 250 and is formed in a rod shape to penetrate between the lower frames of the lower support 270 and rotates according to a control signal from the tilting axis controller 255 to move the pedestal 250 ) is tilted.

The tilting axis controller 255 is connected to both ends of the tilting axis 254 and rotates the tilting axis 254 according to a control signal from the edge server 210 .

The pedestal 250 is formed to protrude in a direction perpendicular to the upper surface of the pedestal 250 at an edge area of the upper surface of the pedestal 250, and when the pedestal 250 is tilted, the workpiece placed on the pedestal 250 It may include at least one supporting jaw 251 to prevent it from falling.

According to another embodiment of the present invention, the role of the fulcrum 251 is the space between the pedestal 250 and the lower support formed by tilting the pedestal 250 to go down the lower support and the operator's side of the lower support. It can also be done by frame.

Unlike the A-type described above, in the case of the B-type, the pedestal 250 is formed so that a predetermined area on the upper surface of the pedestal 250 is open, and a plurality of pedestals formed horizontally apart from each other in the open area. It may include a roller 252, at least one chain 253 connecting the plurality of rollers 252, and a chain driving unit that rotates the plurality of rollers 252 by moving the chain 253.

The chain drive unit is driven to guide the movement of the workpiece loaded on the conveyor device 300 to the upper surface of the pedestal 250, and after the workpiece is moved to a preset position by the main server 100, The sensor unit 220 may sense this and control the chain driving unit.

At this time, the sensor unit 220 recognizes the position of the work object and transmits it to the main server 100, and the main server 100 controls the conveyor device 300 so that the work object moves to a designated position and stops. can be made

In addition, the recognized position of the work object may be provided to the chain drive unit so that the chain drive unit operates when it is determined that the work object has moved to a preset position.

By rotating the coupled roller 252, the chain driving unit may move the workpiece on the roller 252.

Referring to FIG. 8, the plurality of rollers 252 of the pedestal 250 are positioned at the same height as the rollers or belts of the conveyor device 300, but perpendicular to the direction in which the rollers or belts of the conveyor device 300 are aligned. direction, it may be to transfer the work object located on the conveyor device 300 onto the pedestal 250.

Therefore, in the B-type, unlike the A-type in which the workpiece is tilted without leaving the conveyor device 300 and the work is performed by the operator, the workpiece is moved out of the conveyor device 300 and moved onto the work table and tilted to work. It can be.

In this embodiment, after the operation of the chain driving unit is performed, the tilting axis control unit 255, when determining that the work object has reached the position where the supporting jaw 251 is located, rotates the tilting shaft 254 in place to Tilt (250).

In this case, the B-type workstation 200 may further include a tilt assisting unit for assisting tilting performed by the tilting axis controller 255 .

The tilting auxiliary part is supported by the lower support part 270, but is installed in an area that does not overlap with the area where the tilting shaft 254 is located, and is formed between the lower surface of the pedestal 250 and the lifting part 242, so that the lifting part 242 ) and the pedestal support 243 connecting the pedestal 250, which can be connected in contact with the edge of the lower surface of the pedestal 250, and the lifting part 242 that moves up and down and the tilting auxiliary part body 241 that accommodates the lifting part 242 ) may be included.

In addition, a plurality of tilting auxiliary parts are formed on one pedestal 250 at a distance from each other and are connected to the edge of the lower surface of the pedestal 250, so that whenever tilting is performed by the tilting axis control unit 255, lifting and lowering The tilting operation may be assisted by raising the part 242 to push up the lower portion of the workpiece and tilting the workpiece at a predetermined angle so that the front of the operator faces.

After the tilting is performed, the edge server 210 of the workstation 200 including the A-type, B-type, and various embodiments receives work instruction information from the main server 100, and the workstation 200 A guide image explaining the work process included in the work instruction information may be displayed by controlling the display unit 230.

Referring to FIG. 9 , the guide image may include a description display area 231 , an image display area 232 and a self-examination area 233 .

As shown, the description display area 231 includes explanatory information about a task to be performed by an operator, but, for example, assuming that a task of fastening a plurality of bolts to a designated location is performed, the identification number of the bolt to be fastened. , the identification number of the location where the bolt is to be fastened, the work contents including the phrase indicating that the work to be performed is the fastening of the bolt, and the precautions including the notes on the work to be performed.

The image display area 232 may display an image including a video or a photo of a task to be performed by a worker.

Referring to FIG. 10 , the guide image may further include a self-examination area 233, and in the self-examination area 233, a plurality of tasks included in work instruction information are displayed in the form of a list. After performing the displayed task, when the corresponding task is touched, the color of the corresponding task is displayed differently from the previous one, and information notifying that the corresponding task has been completed may be input to the edge server 210 .

At this time, the fastening unit 280 recognizes whether the fastening work for the fastening of the bolt and nut or the screw assembly by the operator is completed or not completed, turns on the light of the corresponding color, and determines whether the work is completed or not completed. Information may be provided to the edge server 210 .

The edge server 210 receives the fastening state information received from the fastening unit 280, and as shown, present work state information based on the current fastening state information relative to the entire fastening target to be completed for the work object. It can be created and displayed through the display unit 230.

When the display unit 230 displays a plurality of jobs constituting the work instruction information received from the main server 100 on the screen and touches the displayed job through the touch screen to receive a signal indicating that the job has been completed, the corresponding A self-inspection is performed to determine that the work has been completed, but when all of the plurality of tasks constituting the work order information have been completed, completion information, required time information, and work performer information of the work order information are transmitted to the main server 100. can

At this time, when the main server 100 receives a signal from the edge server 210 that all of the jobs included in the work instruction information have been completed, it restores the tilted pedestal 250 to a horizontal level, and the chain drive unit moves the roller 252 ) can be reversed to return the workpiece located on the pedestal 250 to the conveyor device 300.

The main server 100 may provide a manager interface to the manager terminal 400 based on the received plurality of pieces of information.

Referring to FIG. 11 , the manager interface may include a statistics display area 234 , a current status display area 235 and an individual display area 236 .

The statistics display area 234 may provide statistics on a plurality of jobs performed on the day, and may provide daily production, total cumulative production, and corresponding cumulative production in the form of charts and graphs, respectively.

The current status display area 235 can provide the current status of a plurality of workstations 200 that have received work instruction information from the main server 100, and each workstation 200 is instructed in the form of thumbnails. Identification information of received work, production drawing and order number can be displayed together.

In addition, a thumbnail of a workstation 200 that is not currently in progress or is determined to be below a predetermined work efficiency despite receiving the work instruction information may be displayed in a color different from the existing color.

In the individual display area 236, when any one of the plurality of thumbnails is selected, information on the number of tasks performed on the workstation 200 for the day, the progress rate for the day, the goal achievement rate, and the number of defects is displayed. It may be presented in the form of diagrams and graphs.

Referring to FIG. 12, the execution sequence of the method for providing a modular workstation system according to an embodiment of the present invention will be described.

First, the manager terminal 400 receives a plurality of work instruction information (S101).

The main server 100 receives work instruction information from the manager terminal 400, and each workstation ( 200) Distribute work for each (S102).

The conveyor device 300 transfers the work object to the vicinity of the designated workstation 200 according to work distribution under the control of the main server 100 (S103).

The pedestal 250 supporting the work object is tilted so as to be close to the operator (S104).

The operator performs work on the work object on the tilted pedestal 250, performs frequent inspections, and when all of the plurality of tasks constituting the work instruction information are completed, completion information, required time information and The worker information is transmitted to the main server 100 (S105).

An embodiment of the present invention may be implemented in the form of a recording medium including instructions executable by a computer, such as program modules executed by a computer. Computer readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. Also, computer readable media may include all computer storage media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data.

Although the methods and systems of the present invention have been described with reference to specific embodiments, some or all of their components or operations may be implemented using a computer system having a general-purpose hardware architecture.

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

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: main server 110: digital tray
200: workstation 210: edge server
220: sensor unit 230: display unit
231: description display area 232: image display area
233: self-test area 234: statistics display area
235: status display area 236: individual display area
240: tilting device 241: tilting auxiliary body
242: elevation part 243: pedestal support part
250: support 251: support jaw
252: roller 253: chain
254: tilting axis 255 tilting axis control unit
260: upper support 270: lower support
280: fastening part 300: conveyor device
400: manager terminal

Claims (14)

In the modularized workstation system,
A main server and a plurality of workstations connected to the conveyor device,
The main server,
The memory in which the workstation control program is stored and
a processor executing the workstation control program;
The workstation control program receives a plurality of work instruction information from a manager terminal, and distributes work so that the work is performed for each workstation based on the information of the workstation and the information of the worker working at the workstation. However, a plurality of workstation identification information pre-stored for a plurality of workers performing the same type of work, work efficiency information for each plurality of workers, work status information of the workstation received from the edge server, and plurality of worker-workstation matching By comparing the information and the currently working workstation and worker information, the work efficiency of each worker is determined by the number of tasks included in the specific work order information, the performance rate compared to the total number of tasks, the time required to perform each task, and the number of defects. It is calculated based on the occurrence rate, and the work distribution for the new work is performed in consideration of the calculated work efficiency, and among the plurality of workstations, the same type of work is distributed to workers with a relatively low required time and a relatively low defect rate, and distribution Job distribution information for the assigned job is provided to the manager terminal through the manager UI, the work instruction information is transmitted to the corresponding workstation according to each job distribution, and a plurality of workstations within a predetermined work space are transmitted from the manager terminal. When a change input for the addition, removal, or location change of any one workstation is received in a production line including the production line, based on the received change input, the work being performed by the removed and relocated workstation is transferred to the production line. Among a plurality of other included workstations, the work distribution is re-performed so that the work efficiency of the production line is maximized by assigning to a workstation that is performing the same work as the work being performed by the changed workstation,
The workstation is
A pedestal for loading a work object, a lower support formed in a frame structure to support the pedestal, a plurality of wheels installed at the lower end of the lower support so that the workstation can move, and the work instruction information for the work of the work object Display unit for displaying; a sensor unit for recognizing the position of the workpiece so that the workpiece transferred from the inlet end of the conveyor device moves to a designated position and stops; When the operation of the conveyor device stops according to the signal received from the sensor unit, it is determined that the workpiece has moved to a predetermined position and supports the workpiece; a tilting unit for tilting the pedestal so as to form an acute angle with respect to the horizontal plane toward the operator when reaching a preset position; and an upper support portion supporting the display portion and extending from an upper end of the lower support portion.
Wherein the conveyor device is controlled to transfer the work object to a designated workstation vicinity according to the work distribution, the modularized workstation system. According to claim 1,
The workstation is
It is possible to move from the previous location to another location, the number of workstations in the work place can be increased and decreased, and the main server updates and stores the location and identification information of each workstation in the work place, and performs the job distribution. In, modular workstation system. According to claim 1,
It is installed on the shelf of the parts warehouse to load each part, communicates with the main server through a communication module and an LED module, and further includes a plurality of digital trays that emit light to inform a worker of a pickup signal, Modular workstation system. According to claim 3,
When the work instruction information includes part information necessary for a job to be performed at the workstation, the main server identifies a digital tray on which the part information is loaded, transmits the work instruction information to the identified digital tray, and The digital tray receiving the instruction information performs an operation in which the LED module flickers until the pick-up completion button is pressed by the operator. According to claim 1,
The work instruction information,
A modular workstation system that includes at least one of description information about a work process, type of work information, and part information to be used in each work. delete delete According to claim 1,
The workstation is
A fastening unit for guiding the fastening of the parts included in the work object and checking the fastening state; And an edge server that receives fastening state information from the fastening unit, generates current working state information based on the current fastening state information relative to the entire fastening target to be completed for the work object, and displays it through the display unit. include,
The display unit displays a guide image for a job corresponding to the work instruction information according to the control of the edge server. delete According to claim 1,
The main server allocates different types of work to be distributed to each workstation, and even if there are a plurality of workers performing the same type of work, the work distribution is performed by varying the number of work distributions according to work efficiency and the current work progress state. , a modularized workstation system. delete According to claim 8,
the display unit,
A modularized workstation system that displays work order information including image information of a part to be worked on in one area of the screen, job description information in another area, and current work step information in another area. According to claim 8,
The edge server,
The modularized workstation system, wherein job information is received from the fastening unit, which job is completed among all jobs constituting the work instruction information displayed on the display unit, and the completed job is displayed through the display unit. According to claim 13,
The edge server,
When a plurality of tasks constituting the work instruction information are displayed through the display unit, and a signal indicating that the task has been completed is received by touching a task displayed through the touch screen of the display unit, a self-inspection that recognizes that the task has been completed , wherein, when all of the plurality of jobs constituting the work instruction information are completed, completion information, required time information, and job performer information of the corresponding work instruction information are transmitted to the main server.

Images