JP2015009353A - Unit type facility of production line - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a unit type facility of a production line capable of easily changing the unit number and arrangement order of footstep parts including a work carriage in response to a change in the production line, when moving the work carriage used in assembly work of an assembly part on the footstep part.SOLUTION: An unit type facility 1 of a production line comprises: a power supply part 3 installed on the side to a carrying lane 21 for carrying an assembly object 8 by the carrying carriage 2; a footstep part 4 arranged in parallel to the power supply part 3; a work carriage 6; and a cable guide 5 movable on a guide rail in the footstep part 4. The footstep part 4 is formed in the length corresponding to a moving range of the work carriage 6, and is connected in a plurality along the power supply part 3 as a unit provided with the work carriage 6 and the cable guide 5, and is also constituted so as to be increasable-decreasable or rearrangeable to the power supply part 3 in response to a change in the production line for providing the carrying lane 21.

Description

  The present invention relates to a unit-type facility configured by unitizing a step part in a production line.

In production lines such as automobiles, a step is installed on the side of the transfer lane where the main body is transferred by the transfer means, and this step is used when an assembly part is attached to the main body by an operator. A work cart is placed. The work cart is movable along the guide rail provided on the platform, and when the worker performs assembly work, the work cart is moved while synchronizing with the transport speed of the main body, and tools etc. are moved. It is used for assembly work.
Also, in the transfer lane, power lines for supplying power and air piping and various electronic devices are communicated to various tools that can be attached to and detached from the work carriage for use in assembly work. Information communication lines are laid.

  For example, Patent Document 1 discloses a versatile production line system that can be easily remodeled to a new product production line when the product changes. In this production line system, a plurality of work station modules are arranged in a straight line on a table to constitute a production line. Each work station module is located between an upper unit and a lower unit, each having a work robot mounting space for performing a predetermined work on a work, and a work transport unit having work work transport means. It is configured to be separable.

JP 2005-59180 A

  However, even in Patent Document 1, there is a device for improving versatility in the case where a platform is installed on the side of the transport lane and a work carriage used for assembly work by an operator is moved on the platform. Not done. In this case, it is necessary to devise the connection relationship between the power line and the air piping and the work carriage so as to have versatility.

  The present invention has been made in view of such a background, and in the case of moving a work carriage used in assembling work of assembling parts on a step part, a step including a work carriage according to a change in a production line. It was obtained in an attempt to provide unit equipment of a production line that can easily change the number of units and the arrangement order.

One aspect of the present invention is a power supply line or an air pipe that is installed on a side with respect to a transport lane in which an assembly target is transported by a transport unit and is used when assembling an assembly part on the assembly target. A power supply unit laid along the transport lane;
A step part that is arranged in parallel to the power supply unit and serves as a scaffold when the assembly component is assembled to the assembly target;
In the step part, a work cart that can move on a guide rail laid along the formation direction of the transfer lane,
A connection cable for connecting at least one of the power line and the air pipe to the tool used when the assembly part is assembled to the assembly target by attaching / detaching to / from the work carriage is provided on the platform part. A cable guide for guiding according to the movement of the work carriage,
The step part is formed with a length corresponding to the movement range of the work carriage, and a plurality of units are connected along the power supply part as a unit provided with the work carriage and the cable guide, and The unit equipment of the production line is configured to be able to increase / decrease or rearrange the power supply unit according to a change of the production line in which the transfer lane is provided.

In the unit-type equipment of the production line, the working platform and the platform section provided with the cable guide can be increased / decreased or rearranged as necessary with respect to the power supply section where the power line and the air piping are laid. I have to.
The power supply unit is laid along the transport lane, and can be used as a fixed portion even when the step platform is increased or decreased or rearranged. The power supply line and the air piping are used regardless of the difference in the types of tools used on the work carriage, and can be fixed in the power supply unit. In the production line, a plurality of step units are provided for each assembly unit of assembly parts to be assembled to the assembly target. Moreover, the step part is formed in the length according to the movement range (movement distance) of a work trolley | bogie, and multiple connected along the power supply part.

Further, the work cart on the platform can be moved synchronously with respect to the assembly target transported by the transport means. This synchronization can be performed by mechanically or electrically engaging the work carriage with the conveying means, or by manual operation by the operator.
When the work carriage is moved on the platform, a connection cable for connecting at least one of the power line and the air pipe to the tool can be guided by the cable guide. Thereby, the connection cable connected to a tool can be appropriately guided according to the movement of the work carriage for each of the stepped portions provided with the work carriage. The connection cable is a connection power line when the power line is connected to the tool, and a connection air pipe when the air pipe is connected to the tool.

  As described above, each step unit provided for each assembly unit of the assembly component can have a structure for moving the work carriage and a structure for supplying power to the tool on the work carriage. . For this reason, when the assembly target to be produced on the production line and the assembly parts to be assembled to the assembly target are changed, an appropriate number of step units are appropriately allocated to the power supply unit in accordance with this change. It can be increased or decreased or rearranged in the installation order.

  Therefore, according to the unit-type equipment of the production line, when the work carriage used in the assembly work of the assembly parts is moved on the platform, the platform including the work carriage according to the change of the production line The number of units and the order of arrangement can be easily changed.

Explanatory drawing which shows the unit type installation of a production line concerning an Example in the state seen from the formation direction of the conveyance lane. Explanatory drawing which expands and shows the periphery of the power supply part in FIG. 1, a step stand part, and a work trolley | bogie concerning an Example. Explanatory drawing which expands and shows the periphery of the power supply part in FIG. Explanatory drawing which shows typically the unit type installation of a production line concerning an Example in the state seen from upper direction.

A preferred embodiment of the unit equipment of the production line described above will be described.
In the unit facility of the production line, the work carriage is provided with electronic equipment that performs electrical communication with a management room that manages the transportation lane, and the power supply unit includes the management equipment. An information communication line connecting a room and the electronic device may be laid along the transfer lane.
In this case, even when electronic equipment is used on the work carriage, the number of steps and the number of steps are increased or decreased with respect to the power supply unit including the information communication line according to the change of the production line. Can be reordered or reordered.

The electronic device may include an FP device that monitors whether the assembly work of the assembly component is normally performed.
In this case, it is possible to diversify the production line by providing an FP (Fool Proof) device used as a Pokayoke for a stepped portion that can be rearranged.

In the following, an embodiment of a unit facility of a production line will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the unit-type equipment 1 of the production line of this example includes a power supply unit 3, a platform unit 4, a work cart 6, and a cable guide 5. The power supply unit 3 is installed on the side with respect to the transfer lane 21 in which the assembly target 8 is transferred by the transfer carriage 2 as transfer means. In the power supply unit 3, a power supply line 33 </ b> A and an air pipe 33 </ b> B that are used when the assembly component 81 is assembled to the assembly target 8 are laid along the conveyance lane 21. The step platform 4 is arranged in parallel to the power supply unit 3 and serves as a scaffold for assembling the assembly component 81 to the assembly target 8. The work carriage 6 is configured to be movable on a guide rail 44 laid along the formation direction of the transfer lane 21 in the platform section 4.

As shown in FIG. 4, the cable guide 5 includes a tool 71, an electronic device 72A, and the like that are used when the power supply line 33A or the air pipe 33B is attached to and detached from the work carriage 6 and the assembly part 81 is assembled to the assembly target 8. The connection cables 34A and 34B for connecting to the vehicle are guided in accordance with the movement of the work carriage 6 on the platform 4.
The step platform 4 is formed with a length corresponding to the movement range of the work cart 6, and a plurality of steps are connected along the power supply unit 3 as a unit provided with the work cart 6 and the cable guide 5. Further, the step platform 4 is configured to be able to increase / decrease or rearrange with respect to the power supply unit 3 in accordance with a change in the production line in which the conveyance lane 21 is provided.

Below, it explains in full detail with reference to FIGS. 1-4 about the unit type equipment 1 of the production line of this example.
The production line of this example is a line for producing automobiles, and the assembly target 8 conveyed by the carriage 2 is a main body 8 (vehicle main body part) of the automobile. The assembly component 81 is various functional components that are assembled to the main body 8.
In the production line constituted by the unit type equipment 1, various processes may be included in addition to the assembling process for performing the assembling work on the main body 8. In addition, a plurality of steps 4 constituting the production line may include those that do not use the work carriage 6. Further, the production line may include a work process that does not use electric power from the power line 33A or air pressure from the air pipe 33B.

As shown in FIG. 1, in the production line, there is a storage table 11 in which a plurality of assembly parts 81 used for the assembly work to the main body 8 are stored in parallel with the formation direction of the transfer lane 21 and the platform unit 4. is set up. The storage stand 11 can store the assembly component 81 in a pallet.
The power supply unit 3 and the platform unit 4 are installed on the left and right sides of the conveyance lane 21 through which the conveyance carriage 2 passes. In the production line, the assembly parts 81 are assembled from the left and right sides of the main body 8.

  The power supply unit 3 is formed by laying a power supply line 33A, an air pipe 33B, and an information communication line 33C on a fixed gantry unit 31 installed on a floor surface in a factory. The power supply line 33A can be a line through which an alternating current such as 100V or 200V flows. In addition, the power supply line 33A can be a line through which a direct current flows, depending on circumstances. The air pipe 33B is a pipe for supplying factory air having a pneumatic pressure of 0.5 MPa (or 0.3 to 1 MPa) or the like. The information communication line 33C is a line used for communication of the electronic device 72A.

  As shown in FIGS. 2 and 3, the fixed gantry 31 is formed along the formation direction of the transfer lane 21, and the support portion 32 that passes the power line 33 </ b> A along the formation direction for wiring, and the air piping And a support portion 32 that pipes 33B along the forming direction. The information communication line 33C is wired to the support portion 32 that pipes the air pipe 33B. The power supply unit 3 can always be fixed at the same position on the floor surface in the factory separately from the platform unit 4 along the direction in which the production line (conveyance lane 21) is formed.

As shown in FIGS. 1 and 4, the conveyance lane 21 determines the formation direction and the formation length of the production line, and is a pair laid on the floor surface in the factory along the route for conveying the main body 8. The rail 21 is formed. The transport carriage 2 is configured to travel along a pair of rails 21. The transport carriage 2 includes a travel base portion 22 having wheels, and a body support portion that is erected with respect to the travel base portion 22 and supports the main body 8.
In the transport lane 21, a plurality of transport carts 2 that respectively support the main body 8 on the body support portion can be moved.

  As shown in FIG. 2, the work cart 6 includes a cart lower portion 61 provided with wheels, and a cart work platform 63 provided via a standing portion 62 erected from the cart lower portion 61. The carriage work table 63 is provided with a holding part 64 for holding an electric tool 71 that operates by electric power or a pneumatic tool 71 that operates by air pressure. Each tool 71 is held by a holding unit 64, and is used by being taken out of the holding unit 64 when the worker M uses it. Further, on the carriage work table 63, equipment such as bolts and nuts used when the assembly component 81 is assembled is arranged.

  The work carriage 6 is provided with an electronic device 72 </ b> A that performs electrical communication with a management room that manages the transport lane 21. The electronic device 72A includes an FP device 72A that monitors whether the assembly work of the assembly component 81 is normally performed. In addition, the platform section 4 is provided with a calling device 72B for performing supervision calling for managing the production line or calling for the management room. The information communication line 33C in the power supply unit 3 is laid so as to connect the management room and the electronic devices 72A and 72B.

  The FP device 72A includes a display device that can be visually recognized by the worker M, a sensor that detects whether the worker M is working, and the like. The FP device 72A can reflect the information detected by the sensor on the display device. In addition, the worker M can call a supervisor who manages the production line by using a lamp, a buzzer, or the like constituting the calling device 72B, or can call a supervisor who monitors in the management room.

  As shown in FIGS. 2 and 3, the platform part 4 has a lower base part 41 installed on the floor surface in the factory, and an upper base part 43 disposed on the lower base part 41 via a support post part 42. doing. The cable guide 5 is disposed in a space S formed between the lower base portion 41 and the upper base portion 43. The cable guide 5 is formed by connecting a plurality of chain portions via a shaft. The cable guide 5 is provided such that a plurality of chain portions are bent in a U shape vertically in the horizontal direction, and an upper end portion 52 thereof is attached to the work carriage 6 via a collective supply portion 53 described later. The lower end portion 51 is fixed to the lower base portion 41.

  As shown in FIG. 4, the connection cables 34A, 34B, and 34C of this example are drawn from the connection power line 34A drawn from the power line 33A, the connection air pipe 34B drawn from the air pipe 33B, and the information communication line 33C. Connection information communication line 34C. Each connection cable 34A, 34B, 34C is inserted into the cable guide 5. Each of the connection cables 34A, 34B, 34C is connected to the power line 33A, the air pipe 33B, and the information communication line 33C via a detachable joint. As shown in FIG. 3, the connection cable 34 </ b> A, 34 </ b> B, 34 </ b> C of the power line 33 </ b> A, the air pipe 33 </ b> B, and the information communication line 33 </ b> C is supplied to the work carriage 6 at the upper end 52 of the cable guide 5. The collective supply unit 53 is provided.

The collective supply unit 53 is attached to the work cart 6 via a guide groove 44 formed in the upper base 43 in the moving direction of the work cart 6. The connection cables 34A and 34B of the power line 33A and the air pipe 33B are connected from the collective supply unit 53 to a tool 71 that is detachably disposed on the work carriage 6. The connection cable 34C of the information communication line 33C is connected to the FP device 72A from the collective supply unit 53. The power line 33A is also connected to a calling device 72B provided on the upper base portion 43 of the step platform 4.
When the work carriage 6 is moved, the upper end portion 52 of the cable guide 5 is moved, and the collective supply portion 53 is moved in the guide groove 44 to connect the connection cables 34A, 34B, 34C drawn from the power supply portion 3. Can be guided by the cable guide 5.

As shown in FIG. 2, the working carriage 6 of the present example has a part 611 on one side orthogonal to the moving direction moving on the upper base part 43 in the platform part 4 and a part 612 on the other side orthogonal to the moving direction. It moves on the upper surface of the transport carriage 2. The work cart 6 can be moved at the same speed as the transport cart 2 in synchronization with the transport cart 2 by connecting the other portion 612 to the transport cart 2.
The plurality of step parts 4 provided with the work carriage 6 are appropriately formed in length according to the type or the like on which the assembly parts 81 are assembled. In addition, various tools 71 in each work carriage 6 are arranged according to the type of the assembly part 81 to be assembled.

In the unit type equipment 1 of the production line of the present example, the work platform 6 and the stepped portion provided with the cable guide 5 with respect to the power supply unit 3 provided with the power line 33A, the air pipe 33B, and the information communication line 33C. 4 can be increased / decreased or rearranged as necessary.
The power supply unit 3 is laid along the transport lane 21 and is used as a fixed portion even when the step unit 4 is increased or decreased or rearranged. The power line 33 </ b> A, the air pipe 33 </ b> B, and the information communication line 33 </ b> C are used regardless of the type of the tool 71 and the like used on the work carriage 6 and can be fixed in the power supply unit 3.

  A plurality of step units 4 are provided for each assembly unit of assembly parts 81 assembled to the main body 8 in a line for producing automobiles. Further, the step unit 4 is formed with a length corresponding to the movement range (movement distance) of the work carriage 6, and a plurality of steps are connected along the power supply unit 3. Further, the work cart 6 on the step platform 4 can be moved in synchronization with the main body 8 transported by the transport cart 2. And when moving the work trolley | bogie 6 on the platform part 4, each connection cable 34A, 34B, 34C of the power wire 33A, the air piping 33B, and the information communication line 33C can be guided with the cable guide 5. FIG. Thereby, it is possible to appropriately guide the connection cables 34A, 34B, and 34C according to the movement of the work carriage 6 for each of the platform sections 4 on which the work carriage 6 is provided.

As described above, each step part 4 provided for each assembly unit of the assembly component 81 has a structure for moving the work carriage 6 and a structure for supplying power to the tool 71 on the work carriage 6, respectively. Can have.
For this reason, when the main body 8 to be produced on the production line and the assembly parts 81 to be assembled to the main body 8 are changed, an appropriate number and a plurality of step units 4 are appropriately arranged with respect to the power supply unit 3 according to the change. It can be increased or decreased or rearranged in the installation order.
Therefore, according to the unit type equipment 1 of the production line of the present example, when the work carriage 6 used in the assembling work of the assembling parts 81 is moved on the platform part 4, according to the change of the production line. Thus, the number and arrangement order of the platform parts 4 including the work carriage 6 can be easily changed.

1 Unit facilities 2 Conveying means (conveying cart)
21 Transport Lane 3 Power Supply Section 33A Power Line 33B Air Piping 33C Information Communication Line 34A, 34B, 34C Connection Cable 4 Stepped Section 44 Guide Rail (Guide Groove)
5 Cable guide 6 Working cart 71 Tool 72A Electronic equipment (FP equipment)
8 Assembly target (main body)
81 Assembly parts

Claims (3)

A power supply line or an air pipe is installed along the transfer lane, which is installed on the side of the transfer lane to which the assembly target is transported by the transport means, and is used when assembling the assembly component to the assembly target. A power supply unit,
A step part that is arranged in parallel to the power supply unit and serves as a scaffold when the assembly component is assembled to the assembly target;
In the step part, a work cart that can move on a guide rail laid along the formation direction of the transfer lane,
A connection cable for connecting at least one of the power line and the air pipe to the tool used when the assembly part is assembled to the assembly target by attaching / detaching to / from the work carriage is provided on the platform part. A cable guide for guiding according to the movement of the work carriage,
The step part is formed with a length corresponding to the movement range of the work carriage, and a plurality of units are connected along the power supply part as a unit provided with the work carriage and the cable guide, and A unit facility for a production line, characterized in that it can be increased or decreased or rearranged with respect to the power supply unit in accordance with a change in the production line in which the transport lane is provided. The work carriage is provided with electronic equipment that performs electrical communication with a management room that manages the transportation lane,
The unit equipment of a production line according to claim 1, wherein an information communication line connecting the management room and the electronic device is laid along the transfer lane in the power supply unit.   3. The unit equipment of a production line according to claim 2, wherein the electronic device includes an FP device that monitors whether or not the assembly work of the assembly parts is normally performed.

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