JP6876080B2 - Manufacturing system - Google Patents

Description

The present invention relates to a manufacturing system. More specifically, the present invention relates to a manufacturing system in which an assembly operation is performed in which a module is manufactured by assembling a plurality of parts to a work.

The manufacturing line for manufacturing automobiles includes a plurality of sublines for manufacturing modularized module parts such as instrument panels, bumpers, and suspension assemblies, and a main line for assembling various module parts manufactured in these multiple sublines to the vehicle body. ..

In addition, when different models of automobiles are mixed-produced on a common production line, module parts of different models are mixed-produced in each sub-line and supplied to the main line, and module parts corresponding to the model of the vehicle body flowing through the line are produced in the main line. In many cases, it is assembled (see, for example, Patent Documents 1 and 2).

Japanese Unexamined Patent Publication No. 6-35536 Japanese Unexamined Patent Publication No. 2004-230485

By the way, the work man-hours required for a worker to manufacture a module part by assembling a plurality of small parts to a work in a subline differ depending on a model. Therefore, when manufacturing module parts of different models in one subline, it is necessary to match the number of workers to be arranged in the subline with the model having the largest number of work man-hours. For this reason, when manufacturing module parts of a model with a small number of work man-hours on the sub line, a part of the workers becomes surplus and a loss occurs. In such a case, it is conceivable that some of the workers move to another subline where the number of workers is insufficient to perform the assembly work. However, even in such a case, the time for the worker to move between the sublines still remains as a loss.

An object of the present invention is to provide a manufacturing system capable of efficiently manufacturing a plurality of types of modules having different assembly man-hours with a small number of work subjects.

(1) The manufacturing system according to the present invention (for example, the module manufacturing system S described later) has a plurality of parts (for example, parts P1 and P2 described later) on a work (for example, skeleton parts F1, F2, F3 and F4 described later). , P3, P4) are assembled to manufacture a module, and one or more work carts (for example, frame parts carts 2, VF1, VF2, VF3, VF4 described later) and 1 A trolley group (for example, trolley group G and sub trolley group SG1, SG2 described later) composed of a trolley or more parts trolleys (for example, small parts trolleys 5, VP1, VP2, VP3, VP4 described later) and the work trolley. A control device (for example, a carriage controller 7 described later) for moving the component carriage along a predetermined route including a work station (for example, work stations 11 and 12 described later) in a predetermined loading order is provided. The work trolley constituting the trolley group moves according to a command from the control device while mounting the work, the trolley group includes two or more workpieces, and the component trolley constituting the trolley group is A plurality of parts to be assembled by the work subject assembling work are mounted on the work included in the trolley group and moved in response to a command from the control device, and the control device constitutes the trolley group. The work trolley and the parts trolley are moved so that the work trolley and the parts trolley run in parallel at the work station, and the total required work time according to the assembly manpower for all the works included in the trolley group is the work station. Is less than or equal to the passing time through which the work carriage or the parts carriage passes. Here, all the works included in the trolley group mean all the works included in the trolley group to be assembled.

(2) In this case, the trolley group includes a first sub trolley group (for example, the first sub trolley group SG1 described later) composed of one or more work trolleys and one or more component trolleys, and one or more trolleys. A second sub-trolley group (for example, a second sub-trolley group SG2, which will be described later), which is composed of the work carriage and one or more component carriages and includes a work different from the work included in the first auxiliary carriage group. In the control device, the work trolley and the parts trolley constituting the first sub trolley group and the work trolley and the parts trolley constituting the second trolley group run side by side at the work station. The work trolley and the parts trolley are moved to the work station, and the work trolley or the parts trolley passes through the work station for the first required work time according to the assembling manpower for all the works included in the first sub trolley group. The second required work time, which is shorter than the passing time and corresponds to the number of assembly steps for all the works included in the second sub-trolley group, is longer than the passing time, and is obtained by subtracting the first required working time from the passing time. The surplus time to be obtained is preferably equal to or longer than the excess time obtained by subtracting the transit time from the second required working time.

(3) In this case, it is preferable that the control device instructs the work subject in the order in which the work included in the bogie group is to be assembled.

(4) It is preferable that all the modules manufactured through the assembling work on the work included in the bogie group are assembled on the same vehicle body.

(5) In this case, the trolley group includes a first work trolley (for example, the first skeleton component trolley VF1 described later) and a second work (for example, the first skeleton component VF1 described later) on which the first work (for example, the first skeleton component F1 described later) is mounted. For example, the first work and the assembling work for the second work include the second work trolley (for example, the second skeleton part trolley VF2 described later) on which the second skeleton part F2) described later is mounted. After performing the first assembly work of manufacturing the first module by assembling a plurality of parts to the first work and the first assembly work, the first assembly work is performed by assembling a plurality of parts to the second work. It is composed of a second assembly work for manufacturing two modules, and the first required work time corresponding to the first assembly work is shorter than the second required work time according to the second assembly work. It is preferable that the control device moves the first work carriage in advance of the second work carriage.

(6) In this case, the work cart has a work table on which the work is installed (for example, the skeleton parts table 21 described later) and a work stage on which the work subject can board (for example, work stages 22 and 23 described later). The trolley group includes a first work trolley on which the first work is mounted and a second work trolley on which the second work is mounted, and the first work trolley and the second work trolley are the work stations. It is preferable that they are connected to each other while moving along.

(1) In the manufacturing system according to the present invention, a trolley group composed of one or more work trolleys and one or more parts trolleys, and these work trolleys and parts trolleys are arranged along a predetermined route including a work station. It is provided with a control device for moving in a predetermined loading order. Work trolleys that make up the trolley group are equipped with workpieces, the trolley group includes two or more workpieces, and the parts trolleys that make up the trolley group are assembled by the work subject to all the workpieces included in the trolley group. It is equipped with multiple parts that can be assembled. Further, the control device moves the work trolley and the parts trolley so that the work trolleys and the parts trolleys constituting the trolley group run in parallel at the work station. Therefore, according to this manufacturing system, the work subject responsible for assembling the work included in the trolley group is the work trolley after completing the assembling work for the work mounted on the predetermined work trolley in the trolley group. It is possible to quickly shift to the assembly work for the work mounted on another work cart that runs in parallel with. Further, in this manufacturing system, by running these work carts in parallel, the movement time between the work carts by the work subject can be shortened, so that a plurality of types of modules can be efficiently manufactured with a small number of work subjects. Further, in this manufacturing system, the total required work time according to the assembly man-hours for all the works included in the trolley group is set to be equal to or less than the transit time for the trolley to pass through the work station. The assembly work of all the works can be completed before passing through.

(2) In the manufacturing system according to the present invention, the carriage group is divided into a first carriage group and a second auxiliary carriage group including a work different from the work included in the first auxiliary carriage group, and the control device is a first. The plurality of carriages constituting the first auxiliary carriage group and the plurality of carriages constituting the second auxiliary carriage group are moved so as to run in parallel at the work station. Further, in this manufacturing system, the first required work time according to the assembly man-hours for all the works included in the first sub-trolley group is made shorter than the passing time for the bogie to pass through the work station, and is included in the second sub-trolley group. The second required work time according to the assembly man-hours for all the works is made longer than the above-mentioned transit time. As a result, for example, the work subject responsible for assembling the work included in the first sub-trolley group is the first after completing the assembling work before the first sub-trolley group passes through the work station. Since it is possible to quickly shift to the second sub-trolley group that runs in parallel with the sub-trolley group and assist in the assembly work of the workpieces included in the second sub-trolley group, it is possible to efficiently use multiple types of modules with a small number of work subjects. Can be manufactured. Further, in this manufacturing system, the surplus time obtained by subtracting the first required working time from the passing time is set to be equal to or greater than the excess time obtained by subtracting the passing time from the second required working time. The work subject responsible for the assembly work of the group and the work subject responsible for the assembly work of the second sub-trolley group cooperate with each other to complete the work until the first and second sub-trolley groups pass through the work station. The assembly work can be completed.

(3) In the manufacturing system according to the present invention, the work trolleys and the parts trolleys constituting the trolley group are run in parallel at the work station, and the work subject performs the assembly work on the work trolleys and the parts trolleys running in parallel at the work station. Do. For example, when a group of trolleys includes a plurality of work trolleys, the time when the work trolley passes through the work station and leaves the work station differs for each work trolley. Therefore, in order for the work subject to complete the assembly work for all the works included in the trolley group before each work trolley included in the trolley group passes through the work station, the work subject must perform each work trolley. It is necessary to perform the assembly work in the order according to the order in which they are put into the work station. Therefore, in the manufacturing system according to the present invention, the control device instructs the work subject in the order in which the assembly work is performed on all the works included in the bogie group. As a result, the work subject can finish the assembling work for all the works included in the trolley group before the plurality of work trolleys constituting the trolley group pass through the work station.

(4) In the manufacturing system according to the present invention, all the modules manufactured through the assembling work for all the workpieces included in the bogie group are assembled to the same vehicle body. As a result, modules that can be assembled to the same vehicle body can be manufactured at the same work station, so parts and workpieces can be put into the work station as much as necessary, and multiple modules can be efficiently assembled in synchronization with the main line that is assembled to the vehicle body. Multiple modules can be manufactured.

(5) In the manufacturing system according to the present invention, the trolley group is equipped with a first work trolley on which the first work for which the first assembly work is performed and a second work for which the second assembly work is performed. Includes 2 work carts. Here, the first required work time corresponding to the first assembly work is shorter than the second required work time according to the second assembly work. For such a group of trolleys, the control device precedes the first work trolley equipped with the first work having a shorter required working time and the second work trolley equipped with the second work having a longer required working time. Move. As a result, the work subject responsible for assembling the first work and the second work included in the trolley group passes the work station after the first assembling work is completed and the second work trolley carrying the second work passes through the work station. The second assembly work can be performed before. Therefore, the work subject can manufacture the first module and the second module by performing the first assembly work and the second assembly work before the first work carriage and the second work carriage pass through the work station. it can.

(6) In the manufacturing system according to the present invention, the work carriage includes a work table on which the work is installed and a work stage on which the work subject can board. As a result, the work subject can board the work stage of the work carriage that moves along the work station and perform the work assembly work on the moving work carriage. Further, in this manufacturing system, the first work carriage on which the first work is mounted and the second work carriage on which the second work is mounted are connected to each other while moving along the work station. As a result, the work subject can easily move between the first work carriage and the second work carriage.

It is a figure which shows the structure of the automobile manufacturing line including the module manufacturing system which concerns on one Embodiment of this invention. It is a figure which shows the structure of the assembly work area. It is a figure which shows typically the loading order of the carriage in the module manufacturing system of Example 1. It is a figure which shows typically the loading order of the carriage in the module manufacturing system of Example 2. It is a figure which shows typically the loading order of the carriage in the module manufacturing system of Example 3.

Hereinafter, the configuration of the module manufacturing system S according to the embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a diagram showing a configuration of an automobile manufacturing line L including a module manufacturing system S according to the present embodiment. The automobile manufacturing line L is a manufacturing line that manufactures two or more types of automobiles, and manufactures a main line Lm through which various types of vehicle bodies flow, and a plurality of types of module parts that can be assembled to the vehicle body flowing through the main line Lm. It includes a module manufacturing system S.

Two or more models of vehicle bodies flow in the main line Lm in a predetermined order according to a predetermined production plan. The main line Lm includes a plurality of vehicle body assembly steps for assembling various module parts according to the model of the target vehicle body to the vehicle body flowing from the upstream. In FIG. 1, among a plurality of vehicle body assembly processes included in the main line Lm, only three processes of assembling the instrument panel module, the front end module, and the bumper module, which are module parts manufactured by the module manufacturing system S, to the vehicle body. Is illustrated.

In the instrument panel assembly process L1, assembling work is performed to assemble the instrument panel modules of each model supplied from the module manufacturing system S to the vehicle body flowing through the main line Lm according to the model of the target vehicle body. .. In the front-end module assembly process L2, among the front-end modules of each model supplied from the module manufacturing system S, the front-end modules of each model supplied from the module manufacturing system S are assembled to the vehicle body flowing through the main line Lm according to the model of the target vehicle body. Is done. In the bumper assembly step L3, the assembly work is performed to assemble the bumper modules of each model supplied from the module manufacturing system S to the vehicle body flowing through the main line Lm according to the model of the target vehicle body. ..

The module manufacturing system S has an assembly work area 1 in which assembly work for manufacturing module parts is performed by assembling a plurality of small parts to the skeleton parts by a plurality of workers, and the skeleton parts are mounted and moved according to a command. A plurality of skeleton parts trolleys 2 to be mounted, a skeleton parts set pack area 3 in which skeleton parts are mounted on these plurality of skeleton parts trolleys 2 by a plurality of workers, and a plurality of small parts are mounted. A plurality of small parts trolleys 5 that move in response to a command, and a small parts set pack area 6 in which a plurality of workers perform small parts mounting work for mounting a plurality of small parts on the plurality of small parts trolleys 5. A skeleton controller 7 that moves the plurality of skeleton component trolleys 2 and small component trolleys 5 in a predetermined loading order along a predetermined route including at least the assembly work area 1.

Each skeleton component trolley 2 controls a communication device that receives a command from the trolley controller 7, a platform on which at least one frame component is mounted, a drive source that generates power to move the platform, and a drive source. A control device for moving the trolley at a predetermined speed along a route determined in response to a command transmitted from the trolley controller 7 is provided.

Each small component carriage 5 is driven by a communication device that receives a command from the carriage controller 7, a platform on which a plurality of small components to be assembled to the skeleton component are mounted, a drive source that generates power to move the platform, and a drive. A control device for controlling the source and moving the trolley at a predetermined speed along a route determined in response to a command transmitted from the trolley controller 7 is provided.

The trolley controller 7 can communicate with the communication device mounted on each skeleton component trolley 2 and each small component trolley 5, for example, wirelessly. The trolley controller 7 wirelessly transmits a command to each skeleton component trolley 2 and each small component trolley 5, so that each skeleton component trolley 2 and each small component trolley 5 will be described below, respectively. It is moved along the trolley route in a predetermined loading order.

The skeleton parts trolley route followed by the skeleton parts trolley 2 is a route C21 from the skeleton parts set pack area 3 to the assembly work area 1, a route C22 from the assembly work area 1 to the main line Lm, and a skeleton from the main line Lm. Includes a path C23 leading to the parts set pack area 3.

The small parts carriage route followed by the small parts carriage 5 includes a route C51 from the small parts set pack area 6 to the assembly work area 1 and a route C52 from the assembly work area 1 to the small parts set pack area 6. ..

The skeleton component trolley 2 on which the new skeleton component is mounted after the skeleton component mounting work in the skeleton component set pack area 3 follows the path C21 from the skeleton component set pack area 3 to reach the assembly work area 1. The small parts trolley 5 on which a plurality of new small parts are mounted after the small parts mounting work in the small parts set pack area 6 follows the path C51 from the small parts set pack area 6 to reach the assembly work area 1.

The skeleton component carriage 2 on which the module parts manufactured through the assembly work in the assembly work area 1 is mounted reaches the main line Lm from the assembly work area 1 by following the route C22. Here, when the module component mounted on the skeleton component trolley 2 is an instrument panel module, the skeleton component trolley 2 moves to the instrument panel assembly process L1 of the main line Lm, and the instrument panel module is supplied to the instrument panel assembly process L1. To do. When the module component mounted on the skeleton component trolley 2 is a front-end module, the skeleton component trolley 2 moves to the front-end module assembly process L2 of the main line Lm, and the front-end module is assembled to this front-end module. Supply to step L2. When the module component mounted on the skeleton component trolley 2 is a bumper module, the skeleton component trolley 2 moves to the bumper assembly step L3 of the main line Lm, and supplies the bumper module to the bumper assembly step L3. ..

The skeleton component trolley 2 that has been emptied through the assembly work on the main line Lm follows the path C23 from the main line Lm to reach the skeleton component set pack area 3. The skeleton component trolley 2 that has returned to the skeleton component set pack area 3 in this way is loaded with new skeleton components after the skeleton component mounting work in the skeleton component set pack area 3, and again follows the path C21 to assemble the assembly work area 1. Will be paid out to.

The small parts trolley 5 that has been emptied after the assembly work in the assembly work area 1 follows the path C52 from the assembly work area 1 to reach the small parts set pack area 6. The small parts trolley 5 that has returned to the small parts set pack area 6 in this way is loaded with a plurality of new small parts after the small parts mounting work in the small parts set pack area 6, and the assembly work follows the path C51 again. It will be paid out to Area 1.

FIG. 2 is a diagram showing the configuration of the assembly work area 1. Hereinafter, a case where two models (model A and model B) of instrument panel modules, front-end modules, and bumper modules are manufactured in the assembly work area 1 will be described, but the present invention is not limited to this. The types of module parts manufactured in the assembly work area are not limited to these three types of instrument panel modules, front-end modules, and bumper modules, and the number of module parts manufactured in the assembly work area is of model A and model B. Not limited to two models.

The assembling work area 1 includes a fixed platform 10 on which the worker in charge of the assembling work can move, and a plurality of units berthed at the first work station 11 formed on the fixed platform 10 (in the example of FIG. 2, in the example of FIG. 2). It is composed of 12 trolleys) and a plurality of trolleys (12 in the example of FIG. 2) berthed at the second work station 12 formed on the fixed platform 10.

The fixed platform 10 has a rectangular island shape extending to the left and right in FIG. 2, for example. A first work station 11 extending along the longitudinal direction is formed on the upper side of the fixed platform 10 in FIG. 2, and a second work station 12 extending along the longitudinal direction is formed on the lower side in FIG. ..

The left end of the first work station 11 in FIG. 2 is put into the assembly work area 1 by following the path C21 and the skeleton parts carriage and the path C51. It is the first berthing point 11a where the small parts trolley berths. Further, the end of the first work station 11 on the right side in FIG. 2 is the first berthing point 11b where the skeleton parts trolley and the small parts trolley berthing at the first work station 11 berth. .. A first rail (not shown) extending in the left-right direction in FIG. 2 is formed between the first berthing point 11a and the first berthing point 11b of the first work station 11.

The right end of the second work station 12 in FIG. 2 is put into the assembly work area 1 by following the path C21 and the skeleton parts carriage and the path C51. It is the second berthing point 12a where the small parts trolley berths. Further, the left end of the second work station 12 in FIG. 2 is a second berthing point 12b where the skeleton parts trolley and the small parts trolley berthing at the second work station 12 berth. .. A second rail (not shown) extending in the left-right direction in FIG. 2 is formed between the second berthing point 12a and the second berthing point 12b of the second work station 12.

Further, as shown in FIG. 2, the first berthing point 11a and the second berthing point 12b face each other along the lateral direction of the fixed platform 10, and the first berthing point 11b and the second berthing point 12a are fixed. Opposing the platform 10 along the lateral direction.

The skeleton component carriage 2 has a rectangular shape in a plan view, and basically moves in the lateral direction as the traveling direction. A skeleton parts base 21 on which skeleton parts are installed is provided in the center along the longitudinal direction of the skeleton parts trolley 2. Further, in the skeleton component trolley 2, the first work stage 22 and the second work stage 23 on which an operator can board are formed on both sides of the skeleton component trolley 21, respectively. Therefore, the worker gets on the first work stage 22 and the second work stage 23, and performs the assembling work on the skeleton parts mounted on the skeleton parts pedestal 21 while the skeleton parts trolley 2 is moving. It is possible.

At the end of the skeleton parts trolley 2 on the front side in the traveling direction, a small parts trolley 5 that moves in advance and a preceding vehicle connecting portion 24 that is connected to the end of the skeleton parts trolley 2 on the rear side in the traveling direction are formed. There is. Further, the end on the right side when viewed along the traveling direction of the skeleton component carriage 2 is engaged with the first rail formed on the first work station 11 or the second rail formed on the second work station 12. A station connecting portion 25 slidable along these rails is formed.

When the skeleton component carriage 2 follows the path C21 under the control of the carriage controller 7 and reaches the first berthing point 11a (or the second berthing point 12a), the station connecting portion 25 becomes the first rail (or the second rail). Engage, thereby causing the skeleton component carriage 2 to berth at the first work station 11 (or the second work station 12). Further, the skeleton component carriage 2 berthed at the first berthing point 11a (or the second berthing point 12a) maintains a state of berthing at the first work station 11 (or the second work station 12) under the control of the trolley controller 7. While still, move along the first station path CS1 (or the second station path CS2) extending along the first rail (or the second rail), and move along the first berthing point 11b (or the second berthing point 12b). To reach. When the skeleton component carriage 2 reaches the first berthing point 11b (or the second berthing point 12b), the station connecting portion 25 is disconnected from the first rail (or the second rail), and the first work station 11 (or the second rail) 2 Leave the shore from the work station 12). The skeleton component bogie 2 that has left the shore at the first offshore point 11b (or the second offshore point 12b) follows the route C22 under the control of the bogie controller 7 and moves to the main line Lm.

Further, while moving along the first station route CS1 (or the second station route CS2) as described above, the preceding vehicle connecting portion 24 of the skeleton component carriage 2 is connected to the first station route CS1 (or the second station). The state in which the route CS2) is connected to the rear end of the traveling trolley in the traveling direction is maintained.

The small parts trolley 5 has a rectangular shape substantially the same shape as the skeleton parts trolley 2 in a plan view, and basically moves in the lateral direction as the traveling direction. The small parts carriage 5 is provided with a first front container 51, a second front container 52, a first rear container 53, and a second rear container 54 on which a plurality of small parts are mounted.

At the end of the small parts trolley 5 on the front side in the traveling direction, a preceding vehicle connecting portion 55 connected to the skeleton parts trolley 2 that moves in advance and the end on the rear side of the small parts trolley 5 in the traveling direction is formed. There is. Further, at the end of the small parts carriage 5 on the right side in the traveling direction, the first rail formed on the first work station 11 or the second rail formed on the second work station 12 is engaged with these rails. A station connecting portion 56 slidable along the line is formed.

The front containers 51 and 52 are provided on the front side of the small parts carriage 5 in the traveling direction, and the rear containers 53 and 54 are provided on the rear side of the small parts carriage 5 in the traveling direction. The first front container 51 is provided on the right side when viewed along the traveling direction, and the second front container 52 is provided on the left side when viewed along the traveling direction. The first rear container 53 is provided on the right side when viewed along the traveling direction, and the second rear container 54 is provided on the left side when viewed along the traveling direction.

Therefore, for example, when the skeleton parts trolley 2 is connected to the preceding vehicle connecting portion 55 of the small parts trolley 5, the worker boarding the first work stage 22 of the skeleton parts trolley 2 as the preceding vehicle is the first front container. Assembling work can be performed by taking out the small parts provided in 51 and assembling them to the skeleton parts mounted on the skeleton parts base 21. Further, the worker boarding the second work stage 23 of the skeleton parts trolley 2 as the preceding vehicle takes out the small parts provided in the second front container 52 and assembles them to the skeleton parts mounted on the skeleton parts pedestal 21. Assembling work can be performed.

When the small parts trolley 5 is connected to the preceding vehicle connecting portion 24 of the skeleton parts trolley 2, the worker boarding the first work stage 22 of the skeleton parts trolley 2 as the following vehicle is placed in the first rear container 53. Assembling work can be performed by taking out the provided small parts and assembling them to the skeleton parts mounted on the skeleton parts base 21. Further, the worker boarding the second work stage 23 of the skeleton parts trolley 2 as a following vehicle takes out the small parts provided in the second rear container 54 and assembles them to the skeleton parts mounted on the skeleton parts pedestal 21. Assembling work can be performed.

When the small parts carriage 5 follows the route C51 under the control of the carriage controller 7 and reaches the first berthing point 11a (or the second berthing point 12a), the station connecting portion 56 thereof becomes the first rail (or the second rail). Engage, thereby causing the small parts carriage 5 to berth at the first work station 11 (or the second work station 12). Further, the small parts carriage 5 berthed at the first berthing point 11a (or the second berthing point 12a) maintains a state of berthing at the first work station 11 (or the second work station 12) under the control of the trolley controller 7. With this, it moves along the first station route CS1 (or the second station route CS2) and reaches the first berthing point 11b (or the second berthing point 12b). When the small parts carriage 5 reaches the first berthing point 11b (or the second berthing point 12b), the station connecting portion 56 is disconnected from the first rail (or the second rail), and the first work station 11 (or the second rail) 2 Leave the shore from the work station 12). The small parts trolley 5 that has left the shore at the first berthing point 11b (or the second berthing point 12b) follows the path C52 under the control of the trolley controller 7 and moves to the small parts set pack area 6.

Further, while moving along the first station route CS1 (or the second station route CS2) as described above, the preceding vehicle connecting portion 24 of the small parts carriage 5 is connected to the first station route CS1 (or the second station). The state in which the route CS2) is connected to the rear end of the traveling trolley in the traveling direction is maintained. Further, as shown in FIG. 2, it is possible to simultaneously berth a plurality of predetermined trolleys (12 in the example of FIG. 2) at the first work station 11 (or the second work station 12). There is. Therefore, as shown in FIG. 2, a plurality of bogies moving along the first station route CS1 (or the second station route CS2) while berthing at the first work station 11 (or the second work station 12) are lined up. It is connected in a shape. As a result, the first work station 11 (or the second work station 12) is formed with a work area formed by connecting a plurality of skeleton component carriages 2 and small component carriages 5 in a row.

Therefore, the worker berths a certain skeleton component trolley 2 at the first berthing point 11a (or the second berthing point 12a), and then the skeleton component trolley 2 berths at the first berthing point 11b (or the second berthing point 12a). In 12b), it is possible to perform the assembling work on the skeleton parts mounted on the skeleton parts trolley 2 until leaving the shore. Further, as described above, a plurality of trolleys berthed at the first work station 11 (or the second work station 12) are connected. Therefore, the worker can go back and forth between these connected trolleys and assemble the skeleton parts mounted on the skeleton parts trolley 2 different from the skeleton parts trolley 2 that was first boarded. ing.

Further, the passage time required for the skeleton parts trolley 2 and the small parts trolley 5 to pass through the first work station 11 (or the second work station 12) (more specifically, the skeleton parts trolley 2 and the small parts trolley 2). The time required from when the parts carriage 5 berths at the first berthing point 11a (or the second berthing point 12a) to when the parts trolley 5 berths at the first berthing point 11b (or the second berthing point 12b)). The carriage controller 7 controls the speed of the frame component carriage 2 and the small component carriage 5 along the first station path CS1 (or the second station path CS2).

Therefore, for example, the worker boarded the skeleton component carriage 2 from the fixed platform 10 at the first berthing point 11a (or the second berthing point 12a), and then the skeleton at the first berthing point 11b (or the second berthing point 12b). By getting off from the parts trolley 2, the assembly work can be basically performed over the transit time. Further, as described above, the first berthing point 11b faces the second berthing point 12a along the short side of the fixed platform 10, and the second berthing point 12b is the short side of the first berthing point 11a and the fixed platform 10. Oppose along the direction. Therefore, as described above, the worker who has performed the assembly work on the first work station 11 side (or the second work station 12 side) has disembarked at the first berth point 11b (or the second berth point 12b). , Board the skeleton parts trolley 2 from the fixed platform 10 at the second berthing point 12a (or the first berthing point 11a), and then disembark from the skeleton parts trolley 2 at the second berthing point 12b (or the first berthing point 11b). By doing so, the assembly work can be basically performed over the transit time. Therefore, the worker can alternately and repeatedly perform the assembling work at the first work station 11 and the assembling work at the second work station 12 with a small moving distance.

In the assembling work area 1 as described above, the skeleton parts mounted on the skeleton parts trolley 2 are worked on while the skeleton parts trolley 2 passes through the first station path CS1 (or the second station path CS2). Assembling work is performed by a person, and the module parts are completed by this. The skeleton component bogie 2 on which the completed module parts are mounted leaves the shore at the first offshore point 11b (or the second offshore point 12b), and then follows the path C22 under the control of the bogie controller 7 to follow the main line Lm. Move to.

Further, in the assembly work area 1 as described above, the plurality of small parts mounted on the small parts carriage 5 are subjected to while the small parts carriage 5 passes through the first station path CS1 (or the second station path CS2). , Used for assembly work by workers. After the necessary small parts have been taken out in this way, the small parts carriage 5 leaves the shore at the first berthing point 11b (or the second berthing point 12b), and then under the control of the trolley controller 7. The small parts set pack area 6 is moved to the small parts set pack area 6 by following the route C52.

Further, when the small parts trolley 5 is connected to each of the front and rear in the traveling direction of the skeleton parts trolley 2 as described above, the worker boarding the skeleton parts trolley 2 can use the two small parts connected to the front and rear. Small parts can be taken out from the trolley 5 and assembled. Therefore, the trolley controller 7 is in a state where the skeleton component trolley 2 and the small component trolley 5 on which a plurality of small parts to be assembled to the skeleton component mounted on the skeleton component trolley 2 are mounted are connected to the first station. The skeleton component carriage 2 and the small component carriage 5 can be alternately put into the first work station 11 (or the second work station 12) so as to run in parallel along the route CS1 (or the second station route CS2). preferable.

Note that FIG. 2 shows a skeleton component carriage 2 on which the instrument panel skeleton A, which is a skeleton component of the instrument panel module of model A, is mounted, a small component IP-A assembled to the instrument panel skeleton A, and a skeleton component of the bumper module of model A. A small part skeleton 5 equipped with a small part Bpr-A to be assembled to the bumper skeleton A, a skeleton part skeleton 2 equipped with a bumper skeleton A, and a front which is a skeleton part of the small part Bpr-A and the front end module of model A. A small parts trolley 5 on which the small parts FEM-A to be assembled to the skeleton A, a skeleton parts trolley 2 on which the front skeleton A is mounted, and a small parts trolley 5 on which the small parts FEM-A and the small parts IP-A are mounted. , The skeleton parts skeleton 2 on which the instrument panel skeleton A is mounted, the small parts skeleton 5 on which the small parts IP-A and the small parts Bpr-A are mounted, the skeleton parts skeleton 2 on which the bumper skeleton A is mounted, and the small parts Bpr-A. And the small parts trolley 5 on which the small parts FEM-A is mounted, the skeleton parts trolley 2 on which the front skeleton A is mounted, and the small parts trolley 5 on which the small parts FEM-A and the small parts IP-A are mounted, in this order. The case where it was put into the first work station 11 is shown. As a result, the worker boarding each skeleton part trolley 2 berthed at the first work station 11 can take out the necessary small parts from the left and right sides of each and assemble them to the skeleton parts to be mounted on the skeleton parts with a small moving distance. Can be done. As described above, in the example of FIG. 2, a plurality of modules that can be assembled to the same vehicle body on the main line Lm are assembled by inserting a dolly on which the skeleton parts and small parts of the same model A are mounted into the first work station 11. Since it can be manufactured at the same first work station 11, only the required amount of skeleton parts and small parts can be put into the first work station 11, and a plurality of modules can be efficiently manufactured in synchronization with the main line Lm.

Further, in FIG. 2, the skeleton component carriage 2 on which the instrument panel skeleton B, which is the skeleton component of the instrument panel module of model B, is mounted, the small component IP-B assembled to the instrument panel skeleton B, and the bumper, which is the skeleton component of the bumper module of model B. A small part skeleton 5 equipped with a small part Bpr-B to be assembled to the skeleton B, a skeleton part skeleton 2 equipped with a bumper skeleton B, and a front skeleton which is a skeleton part of the small part Bpr-B and the front end module of model B. A small parts trolley 5 on which the small parts FEM-B to be assembled to B, a skeleton parts trolley 2 on which the front skeleton B is mounted, and a small parts trolley 5 on which the small parts FEM-B and the small parts IP-B are mounted. The skeleton component skeleton 2 on which the instrument panel skeleton B is mounted, the small component skeleton 5 on which the small component IP-B and the small component Bpr-B are mounted, the skeleton component skeleton 2 on which the bumper skeleton B is mounted, the small component Bpr-B and The small parts trolley 5 on which the small parts FEM-B is mounted, the skeleton parts trolley 2 on which the front skeleton B is mounted, and the small parts trolley 5 on which the small parts FEM-B and the small parts IP-B are mounted are arranged in this order. The case where it was put into the second work station 12 is shown. As a result, the worker boarding each skeleton part trolley 2 berthed at the second work station 12 can take out the necessary small parts from the left and right sides of each and assemble them to the skeleton parts to be mounted on the skeleton parts with a short moving distance. Can be done. As described above, in the example of FIG. 2, a plurality of modules that can be assembled to the same vehicle body on the main line Lm are mounted by introducing a dolly on which the skeleton parts and small parts of the same model B are mounted on the second work station 12. Since it can be manufactured in the same second work station 12, only the required amount of skeleton parts and small parts can be put into the second work station 12, and a plurality of modules can be efficiently manufactured in synchronization with the main line Lm.

The order in which the skeleton component carriage 2 and the small component carriage 5 are put into the first work station 11 and the second work station 12 by the carriage controller 7 is not limited to that shown in FIG. The order in which the skeleton parts trolley 2 and the small parts trolley 5 are put in depends on the number of man-hours for assembling the skeleton parts mounted on the skeleton parts trolley 2 so that the loss in the assembly work by the operator is reduced. It is decided.

In FIG. 2, the trolley controller 7 introduces the skeleton parts trolley 2 on which the skeleton parts of the model A are mounted and the small parts trolley 5 on which the small parts to be assembled to the skeleton parts of the model A are mounted on the first work station 11. By doing so, the module parts used for the model A are manufactured at the first work station 11, and the skeleton parts trolley 2 for mounting the skeleton parts of the model B and the small parts for mounting the small parts to be assembled to the skeleton parts of the model B are mounted. The case where the module parts used for the model B at the second work station 12 is manufactured by throwing the parts carriage 5 into the second work station 12, but the present invention is not limited to this. The skeleton parts and small parts of the models A and B may be mixed and input to the work stations 11 and 12, and the module parts of the models A and B may be manufactured at the stations 11 and 12. ..

Although one embodiment of the present invention has been described above, the present invention is not limited to this. Within the scope of the gist of the present invention, the detailed configuration may be changed as appropriate. For example, in the above embodiment, the case where the work subject performing the assembly work in the assembly work area 1 is a worker has been described, but the present invention is not limited to this. The work subject may be a robot in addition to the worker, or may be a combination of the worker and the robot.

[Example 1]
FIG. 3 is a diagram schematically showing a loading order of carts in the module manufacturing system of the first embodiment. In the first embodiment, in the first work station 11, the first assembly work of manufacturing the first module part by assembling the plurality of first small parts P1 to the first skeleton part F1 by a plurality of workers, and the first assembly work. A case will be described in which a second assembly operation for manufacturing a second module component by assembling a plurality of second small components P2 to the skeleton component F2 is performed.

In the first embodiment, the passing time required for the trolley to pass through the first work station 11, that is, the time per worker when performing the assembly work at the first work station 11 is 200 seconds. Further, the first required work time according to the man-hours for assembling the first small part P1 to the first skeleton part F1 is 90 seconds, and the second required work time according to the man-hours for assembling the second small part P2 to the second skeleton part F2 is 90 seconds. The working time is 110 seconds. Here, the required work time means that the assembly work for the target skeleton part is performed by a predetermined number of work unit number of workers (hereinafter, one person, but two or more people may be used). , The time required to complete the module parts.

As described above, in the first embodiment, the total required work time, which is the sum of the first required work time and the second required work time, is equal to or less than the transit time. That is, in the first embodiment, the number of workers in the unit of work continuously performs the first assembly work and the second assembly work, so that the first module component and the second assembly work are performed before the passage time elapses. Module parts can be manufactured.

Therefore, in the first embodiment, the first skeleton component trolley VF1 on which the first skeleton component F1 is mounted, the second skeleton component trolley VF2 on which the second skeleton component F2 is mounted, and the first small component P1 are mounted on the front container. The first small parts trolley VP1 in which the two small parts P2 are mounted in the rear container, the second small parts trolley VP2 in which the second small parts P2 are mounted in the front container and the first small parts P1 are mounted in the rear container, A total of four bogies make up one bogie group G. Since the trolley group G of the first embodiment includes two skeleton component trolleys VF1 and VF2, and one skeleton component F1 and one F2 are mounted on each skeleton component trolley VF1 and VF2, the trolley group G Includes a total of two skeleton parts. Further, among the first skeleton component trolley VF1 and the second skeleton component trolley VF2 in which the assembly work is performed by the operator, a display D for displaying instructions to the operator is provided at a position visible to the operator. .. The first module parts and the second module parts manufactured through the assembly work for the first skeleton part F1 and the second skeleton part F2 included in one bogie group G are assembled to the same vehicle body on the main line Lm. However, the present invention is not limited to this. For example, when there are a plurality of main lines, the first module component and the second module component may be assembled to the vehicle body flowing through each main line at substantially the same timing.

Further, the trolley controller 7 has a total of four trolleys VF1, VF2, VP1 and VP2 constituting the trolley group G running side by side in a row connected at the first work station 11. , VP1 and VP2 are moved. Further, the bogie controller 7 repeatedly puts the bogie group G composed of these four bogies into the first work station 11. As a result, as shown in FIG. 3, a plurality of carriages constituting the plurality of carriage group G move along the first station route CS1 in a state of being connected in a row.

Here, as shown in FIG. 3, the order in which the four bogies constituting each bogie group G are put in is the first skeleton parts trolley VF1, the first small parts trolley VP1, the second skeleton parts trolley VF2, and the second. It is preferable that the order is the small parts trolley VP2. By alternately inserting the skeleton parts trolley and the small parts trolley in this way, the worker boarding the skeleton parts trolley takes out the small parts mounted on the small parts trolley connected in the front-rear direction along the traveling direction. , This small part can be assembled to the skeleton part to be mounted. Further, the first skeleton component trolley VF1 on which the first skeleton component F1 having a short required working time is mounted is introduced prior to the second skeleton component trolley VF2 equipped with the second skeleton component F2 having a long required working time. As a result, the worker can more reliably complete the first assembly work and the second assembly work by the time the dolly passes through the first work station 11. That is, when the worker decides to perform the second assembling work after performing the first assembling work, the first assembling work for the first skeleton part F1 to be input to the first work station 11 in advance. After that, it is possible to secure a large amount of time for performing the second assembly work on the second skeleton component F2 which is delayedly put into the first work station 11.

Further, the trolley controller 7 instructs the worker in the order of performing the assembling work by displaying the order of performing the assembling work on the display D mounted on the skeleton parts trolleys VF1 and VF2. In this embodiment, the carriage controller 7 displays on the display D that the second assembly work is to be performed after the first assembly work is performed.

In this embodiment, the case where the first module component and the second module component are different types and the first required working time and the second required working time are different has been described, but the present invention is not limited to this. .. The first module component and the second module component are of the same type, and the first required working time and the second required working time may be the same.

[Example 2]
FIG. 4 is a diagram schematically showing a loading order of carts in the module manufacturing system of the second embodiment. In the second embodiment, in the first work station 11, the first assembly work of manufacturing the first module part by assembling the plurality of first small parts P1 to the first skeleton part F1 by a plurality of workers, and the first assembly work. 2 The second assembly work for manufacturing the second module component by assembling the plurality of second small components P2 to the skeleton component F2, and the third module by assembling the plurality of third small components P3 to the third skeleton component F3. A case where the third assembly work for manufacturing the parts and the fourth assembly work for manufacturing the fourth module parts by assembling the plurality of fourth small parts P4 to the fourth skeleton part F4 will be described.

In the second embodiment, the passing time required for the trolley to pass through the first work station 11 is 200 seconds. Further, the first required work time according to the man-hours for assembling the first small part P1 to the first skeleton part F1 is 20 seconds, and the second required work time according to the man-hours for assembling the second small part P2 to the second skeleton part F2 is set to 20 seconds. The working time is 40 seconds, the third required working time according to the man-hours for assembling the third small part P3 to the third skeleton part F3 is 50 seconds, and the man-hours for assembling the fourth small part P4 to the fourth skeleton part F4. The fourth required work time according to the above is 90 seconds.

As described above, in the second embodiment, the total required work time, which is the total of the first to fourth required work times, is equal to or less than the transit time. That is, in the second embodiment, the number of workers in the unit of work continuously performs the first assembly work, the second assembly work, the third assembly work, and the fourth assembly work. The first to fourth module parts can be manufactured before the passing time elapses.

Therefore, in the second embodiment, the first skeleton component trolley VF1 on which the first skeleton component F1 is mounted, the second skeleton component trolley VF2 on which the second skeleton component F2 is mounted, and the third skeleton component on which the third skeleton component F3 is mounted. The dolly VF3, the fourth skeleton part dolly VF4 on which the fourth skeleton part F4 is mounted, and the first small part dolly VP1 in which the first small part P1 is mounted on the front container and the second small part P2 is mounted on the rear container. , The second small part P2 is mounted on the front container and the third small part P3 is mounted on the rear container. The second small part trolley VP2 and the third small part P3 are mounted on the front container and the fourth small part P4 is rearward. A total of eight trolleys, the third small parts trolley VP3 mounted on the container and the fourth small parts trolley VP4 with the fourth small parts P4 mounted on the front container and the first small parts P1 mounted on the rear container. Consists of one trolley group G. The trolley group G of the second embodiment includes four skeleton component trolleys VF1, VF2, VF3, VF4, and one skeleton component F1, F2, F3 for each skeleton component trolley VF1, VF2, VF3, VF4. Since F4 is mounted, the trolley group G includes a total of four skeleton parts. In addition, among the first skeleton parts trolley VF1, the second skeleton parts trolley VF2, the third skeleton parts trolley VF3, and the fourth skeleton parts trolley VF4 in which the assembly work is performed by the operator, the positions visible to the operator , A display D for displaying instructions to the operator is provided. The first module parts and the second module parts manufactured through assembly work on the first skeleton part F1, the second skeleton part F2, the third skeleton part F3, and the fourth skeleton part F4 included in one trolley group G. It is preferable that the module parts, the third module parts, and the fourth module parts are assembled to the same vehicle body in the main line Lm, but the present invention is not limited to this. For example, when there are a plurality of main lines, the first to fourth module parts may be assembled to the vehicle body flowing through each main line at substantially the same timing.

Further, the bogie controller 7 is such that a total of eight bogies VF1 to VF4 and VP1 to VP4 constituting the bogie group G run in parallel in a state of being connected in a row at the first work station 11. , VP1 to VP4 are moved. Further, the bogie controller 7 repeatedly puts the bogie group G composed of a total of eight bogies into the first work station 11. As a result, as shown in FIG. 4, a plurality of carriages constituting the plurality of carriage group G move along the first station route CS1 in a state of being connected in a row.

Here, as shown in FIG. 4, the order in which the eight trolleys constituting each trolley group G are put in is as follows: 1st skeleton parts trolley VF1, 1st small parts trolley VP1, 2nd skeleton parts trolley VF2, 2nd small. It is preferable that the order is the parts trolley VP2, the third skeleton parts trolley VF3, the third small parts trolley VP3, the fourth skeleton parts trolley VF4, and the fourth small parts trolley VP4. By alternately inserting the skeleton parts trolley and the small parts trolley in this way, the worker boarding the skeleton parts trolley takes out the small parts mounted on the small parts trolley connected in the front-rear direction along the traveling direction. , This small part can be assembled to the skeleton part to be mounted. Further, by loading the skeleton parts trolleys VF1 to VF4 in the order of the shortest required work time in this way, the worker can perform the first to fourth trolleys before the trolley passes through the first work station 11. The assembly work can be completed more reliably. That is, when the worker decides to perform the first to fourth assembly operations in the order of the shortest required work time, he / she can secure a large amount of time to perform the assembly work for the skeleton parts to be input later.

Further, the trolley controller 7 indicates the order of assembling work to the operator by displaying the order of assembling work on the display D mounted on the skeleton parts trolleys VF1, VF2, VF3, VF4. In this embodiment, the trolley controller 7 performs the assembly work in the order of the shortest required work time, that is, the first assembly work, the second assembly work, the third assembly work, and the fourth assembly work. , Displayed on display D.

In the present embodiment, the cases where the first to fourth module parts are different types and the first to fourth required working times are different have been described, but the present invention is not limited to this. All or any of these first to fourth module parts may be of the same type, and all or any of the first to fourth required working times may be the same.

[Example 3]
FIG. 5 is a diagram schematically showing a loading order of carts in the module manufacturing system of the third embodiment. In the third embodiment, in the first work station 11, the first assembly work of manufacturing the first module part by assembling the plurality of first small parts P1 to the first skeleton part F1 by a plurality of workers, and the first assembly work. A case will be described in which a second assembly operation for manufacturing a second module component by assembling a plurality of second small components P2 to the skeleton component F2 is performed.

In the third embodiment, the passing time required for the trolley to pass through the first work station 11 is 200 seconds. Further, the first required work time according to the man-hours for assembling the first small part P1 to the first skeleton part F1 is 90 seconds, and the second required work time according to the man-hours for assembling the second small part P2 to the second skeleton part F2 is 90 seconds. The working time is 110 seconds.

Further, in the third embodiment, one set of carriage group G is configured by combining the first auxiliary carriage group SG1 and the second auxiliary carriage group SG2, which are composed of a combination of a plurality of different carriages. The first sub-trolley group SG1 includes two first skeleton component trolleys VF1 on which the first skeleton component F1 is mounted, and a first front small component trolley VP1a in which the first small component P1 is mounted on the front container and the rear container. The first small component P1 is mounted on the front container and the second small component P2 is mounted on the rear container. The first small component trolley VP1b is composed of a total of four trolleys. The second sub-trolley group SG2 includes two second skeleton component trolleys VF2 on which the second skeleton component F2 is mounted, and a second front small component trolley VP2a in which the second small component P2 is mounted on the front container and the rear container. The second small component P2 is mounted on the front container and the first small component P1 is mounted on the rear container. The second small component trolley VP2b is composed of a total of four trolleys. The trolley group G of the third embodiment includes two skeleton component trolleys VF1 and two skeleton component trolleys VF2, and one skeleton component F1 and one F2 are mounted on each skeleton component trolley VF1 and VF2. Therefore, the bogie group G includes a total of four skeleton parts. Further, among the first skeleton component trolley VF1 and the second skeleton component trolley VF2 in which the assembly work is performed by the operator, a display D for displaying instructions to the operator is provided at a position visible to the operator. .. The first module parts and the second module parts manufactured through the assembly work for the first skeleton part F1 and the second skeleton part F2 included in the bogie group G are assembled to the same vehicle body on the main line Lm. However, the present invention is not limited to this. For example, when there are a plurality of main lines, the first module component and the second module component may be assembled to the vehicle body flowing through each main line at substantially the same timing.

The bogie controller 7 has a total of four bogies VF1, VP1a, VP1b constituting the first sub-bogie group SG1 running side by side in a row connected at the first work station 11. Move VP1b. The trolley controller 7 has a total of four trolleys VF2, VP2a, VP2b constituting the second sub-trolley group SG2 running side by side in a row connected at the first work station 11. Move VP2b. Further, the bogie controller 7 includes a first sub-bogie group SG1 and a second sub-bogie group SG2 composed of a total of four bogies, and a plurality of bogies constituting these sub-bogie groups SG1 and SG2 as the first work station. These sub-trolley groups SG1 and SG2 are alternately and repeatedly put into the first work station 11 so as to be connected in a row at 11. As a result, as shown in FIG. 5, a plurality of trolleys constituting the first sub-trolley group SG1 and the second sub-trolley group SG2 move along the first station route CS1 in a state of being connected in a row. ..

Here, as shown in FIG. 5, the order in which the four bogies constituting the first sub-bogie group SG1 are put in is the first skeleton parts trolley VF1, the first front small parts trolley VP1a, the first skeleton parts trolley VF1, and so on. It is preferable that the order is the first rear small parts carriage VP1b. Further, as shown in FIG. 5, the order in which the four bogies constituting the second sub bogie group SG2 are put in is the second skeleton parts bogie VF2, the second front small parts bogie VP2a, the second skeleton parts bogie VF2, and The order is preferably the second rear small parts bogie VP2b.

Here, the total required working time for the two first skeleton parts F1 included in the first sub-trolley group SG1 is 180 seconds, which is shorter than the passing time. The surplus time obtained by subtracting the sum of the required working times for the two first skeleton parts F1 included in the first sub-trolley group SG1 from the passing time is 20 seconds. Therefore, when a unit number of workers continuously performs the first assembly work on the two first skeleton parts F1 included in the first sub-trolley group SG1, 2 before the passing time elapses. One first module component can be completed.

Further, the total required working time for the two second skeleton parts F2 included in the second sub-trolley group SG2 is 220 seconds, which is longer than the passing time. The excess time obtained by subtracting the passing time from the total required working time for the two second skeleton parts F2 included in the second sub-trolley group SG2 is 20 seconds. Therefore, when a unit number of workers continuously performs the second assembly work on the two second skeleton parts F2 included in the second sub-trolley group SG2, one first is performed before the passage time elapses. Two module parts can be completed, but the remaining one second module part cannot be completed.

Therefore, the carriage controller 7 puts the first auxiliary carriage group SG1 in which the positive excess time occurs into the first work station 11 prior to the second auxiliary carriage group SG2 in which the positive excess time occurs. By loading a plurality of trolleys in such an order, it is assumed that the assembly work is performed by the operator according to the following procedure, and the trolleys are the first before passing through the first work station 11. One module component and two second module components can be manufactured alternately and continuously.

More specifically, the worker who is in charge of assembling the first sub-trolley group SG1 that was introduced in advance is mounted on the first skeleton parts bogie VF1 that is introduced in advance of the first sub-trolley group SG1. After performing the first assembly work on the first skeleton part F1 that has been made, the first skeleton part F1 is moved to the first skeleton part trolley VF1 that is to be inserted later in the first sub-trolley group SG1. Perform the first assembly work for. Since the surplus time is 20 seconds as described above, the worker who is in charge of the first sub-trolley group SG1 can finish the second first assembly work before the surplus time when the passing time elapses.

On the other hand, the worker who is in charge of assembling the second sub-trolley group SG2, which is introduced later, is mounted on the second skeleton component bogie VF2, which is introduced earlier in the second sub-trolley group SG2. After performing the second assembly work for the two skeleton parts F2, the second skeleton part trolley VF2 is moved to the second skeleton part trolley VF2, which is to be inserted later in the second sub-trolley group SG2, and the second set for the second skeleton part F2. Perform attachment work. Since the excess time is 20 seconds as described above, the worker who is in charge of the second sub-trolley group SG2 cannot complete the second second assembly work by the time the passing time elapses. Therefore, the worker who is in charge of the first sub-trolley group SG1 finishes the second first assembling work as described above, and then the second skeleton component to be introduced later in the second sub-trolley group SG2. Move to the dolly VF2 and help the second assembly work for the second skeleton part F2. As described above, the surplus time of the first sub-trolley group SG1 is equal to or less than the excess time of the second sub-trolley group SG2. Therefore, as described above, the worker who is responsible for the first sub-trolley group SG1 and the worker who is responsible for the second sub-trolley group SG2 cooperate to perform the second assembly work, so that the target second skeleton component is used. The second assembly work can be completed between the time when the carriage VF2 is put into the first work station 11 and the time when the passing time elapses.

Further, the trolley controller 7 instructs the worker in the order of performing the assembling work by displaying the order of performing the assembling work on the display D mounted on the skeleton parts trolleys VF1 and VF2. In this embodiment, the bogie controller 7 is the first assembling work and the first sub-work on the first skeleton part F1 mounted on the first skeleton part bogie VF1 which is introduced in advance of the first sub-bogie group SG1. The first assembly work for the first skeleton part F1 mounted on the first skeleton part trolley VF1 mounted on the first skeleton part trolley VF1 to be introduced later in the trolley group SG1, and the first to be introduced in advance of the second sub skeleton group SG2. 2 Assembling work to the 2nd skeleton part F2 mounted on the 2 skeleton parts trolley VF2, 2nd skeleton parts trolley VF2 mounted on the 2nd skeleton parts trolley VF2 to be introduced later in the 2nd sub-trolley group SG2 The display D indicates that the assembling work is performed in the order of the second assembling work for the skeleton component F2.

In this embodiment, the case where the first module component and the second module component are different types and the first required working time and the second required working time are different has been described, but the present invention is not limited to this. .. The first module component and the second module component are of the same type, and the first required working time and the second required working time may be the same.

Further, in the above embodiment, the case where the trolley controller 7 instructs the worker in the order of performing the assembling work by displaying the order of performing the assembling work on the display D mounted on each skeleton component trolley will be described. However, the present invention is not limited to this. The display for displaying the instruction content from the trolley controller is not limited to each skeleton component trolley, and may be provided at a position of the work station that can be visually recognized by all the workers performing the assembly work at this work station.

Further, in the above embodiment, the case where two or more skeleton parts trolleys on which one skeleton component is mounted is combined to form a trolley group including two or more skeleton parts has been described, but the present invention is not limited to this. Absent. By setting the number of skeleton parts mounted on the skeleton parts trolley to two or more, a trolley group including two or more skeleton parts may be formed as a whole.

Module manufacturing system S (manufacturing system)
F1, F2, F3, F4 ... 1st, 2nd, 3rd, 4th skeleton parts (workpieces)
P1, P2, P3, P4 ... 1st, 2nd, 3rd, 4th small parts (parts)
2 ... Skeleton parts trolley (work trolley)
VF1, VF2, VF3, VF4 ... 1st, 2nd, 3rd, 4th skeleton parts trolley (work trolley)
5 ... Small parts trolley (parts trolley)
VP1, VP2, VP3, VP4 ... 1st, 2nd, 3rd, 4th small parts trolleys (parts trolleys)
G ... trolley group SG1, SG2 ... 1st and 2nd sub trolley groups 11, 12 ... 1st and 2nd work stations 7 ... trolley controller (control device)
21 ... Skeleton parts stand (work stand)
22, 23 ... 1st and 2nd work stages (work stages)

Claims (5)

It is a manufacturing system in which the assembly work is performed to manufacture a module by assembling a plurality of parts to the work.
A group of trolleys composed of one or more work trolleys and one or more parts trolleys,
A control device for moving the work carriage and the parts carriage along a predetermined route including a work station in a predetermined loading order is provided.
The work carriages constituting the carriage group are mounted on the workpieces and move in response to a command from the control device.
The trolley group is composed of a first sub trolley group composed of one or more work trolleys and one or more parts trolleys, and one or more work trolleys and one or more parts trolleys, and the first sub trolley. It is equipped with a second sub-trolley group that includes a work that is different from the work included in the bogie group.
The parts trolleys constituting the trolley group are equipped with a plurality of parts to be assembled by the work subject assembling work on the work included in the trolley group, and move in response to a command from the control device.
In the control device, the work trolley and the parts trolley constituting the first sub-trolley group and the work trolley and the parts trolley constituting the second trolley group run side by side at the work station. Move the work trolley and the parts trolley to
The total required working time according to the number of assembling steps for all the work included in the carriage group Ri der following passage time through said work station the work carriage or the parts truck,
The first required work time according to the assembly man-hours for all the works included in the first sub-trolley group is shorter than the passing time through which the work carriage or the parts carriage passes through the work station.
The second required work time according to the assembly man-hours for all the works included in the second sub-trolley group is longer than the passing time.
A manufacturing system characterized in that the surplus time obtained by subtracting the first required working time from the passing time is equal to or greater than the excess time obtained by subtracting the passing time from the second required working time. The manufacturing system according to claim 1, wherein the control device instructs a work subject in an order in which assembly work is performed on the work included in the carriage group. The manufacturing system according to claim 1 or 2, wherein all the modules manufactured through the assembling work on the work included in the bogie group are assembled on the same vehicle body. The trolley group includes a first work trolley on which the first work is mounted and a second work trolley on which the second work is mounted.
As for the assembling work for the first work and the second work, the first assembling work for manufacturing the first module by assembling a plurality of parts to the first work and the first assembling work were performed. After that, it is composed of a second assembly work of manufacturing a second module by assembling a plurality of parts to the second work.
The first required work time corresponding to the first assembly work is shorter than the second required work time according to the second assembly work.
The control device manufacturing system according to claim 1 or et 3, characterized in that moving ahead the first workpiece carriage on the second workpiece carriage. The work cart is provided with a work table on which the work is installed and a work stage on which the work subject can board.
The trolley group includes a first work trolley on which the first work is mounted and a second work trolley on which the second work is mounted.
Wherein the first workpiece carriage and the second workpiece carriage has manufacturing system according to claim 1 or et 4 during the movement along said work station, characterized in that are connected to each other.

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