JP5476288B2 - External setup system for component mounting machines - Google Patents

Description

  The present invention relates to a component mounting machine capable of automatically performing a setup operation for arranging a component supply jig used in a component mounting machine on a component supply carriage, and a setup operation for arranging the component supply carriage subjected to the setup work on the component placement machine. It relates to an external setup system.

  In a production line where electronic components are mounted on a printed circuit board, as a method of setting up a component supply jig to a component mounting machine, the operator looks at the next component supply jig preparation table issued from the production system and ends production. Remove the unused parts supply jig from the supplied parts supply cart and return it to the parts supply jig storage shelf. The operator continues until all unused parts are returned to the parts supply jig storage shelf.

  After the return operation is completed, the operator looks at the component supply jig preparation table, selects a component supply jig to be used from the component supply jig storage shelf, and sets (places) the component supply jig on the component supply carriage. The operator performs all operations according to the component supply jig preparation table, and after completing the preparation work, moves the component supply cart to a designated position and waits.

  When the current production is completed, the worker removes the component supply carriage arranged on the component mounting machine, moves it to the designated position, and retracts it. After that, the component supply carriage that has completed the setting of the component supply jig is placed on the component mounting machine. In general, the retracted component supply carriage is moved to the front of the component supply jig storage shelf, and one component supply jig is returned to the determined address one by one to the component supply jig storage shelf.

  The set information of the component supply jig to the component supply cart varies depending on the production model, and is surely performed by referring to the component supply jig preparation table every time. Depending on the component mounting machine, there is a type that checks the consistency between the production data of the component mounting machine and the component supply jig state of the component supply truck when the component supply truck is set on the component mounting machine. In a component mounting machine that does not have a function, the worker clearly specifies and confirms the acceptance on the component supply jig preparation table for production models.

  For this series of operations, according to the component supply jig preparation table, select a component supply jig that is not used from the component supply cart from the component code and channel (where the component supply jig is set on the component supply cart), Return to the specified address of the parts supply jig storage shelf one by one, then look at the parts supply jig preparation table, select the part supply jig from the address of the parts supply jig storage shelf, and temporarily store it Temporarily placed on a trolley. Next, set it to the channel determined by looking at the parts supply jig preparation table, and after all the settings are complete, check whether the work has been done again according to the instructions in the parts supply jig preparation table, one by one, part code and part It is necessary to confirm the channel of the supply carriage, and to indicate the acceptance confirmation mark and the worker name on the parts supply jig preparation table, which requires a large number of work steps and ensures the quality by the worker.

  There are many systems that automate the replacement work of the component supply jig by arranging the component supply jig between the component supply jig storage shelf and the component supply carriage in the method of eliminating and automating the setup change by the operator. It has been reported.

  In Patent Document 1, an intermediate stage provided with a component supply jig conveying device for transferring a component supply jig is used to replace the component supply from the component supply jig storage shelf to the component supply carriage even during facility operation. A method by which work can be performed is disclosed.

  In Patent Document 2, a component cartridge in which components used for production of the following and subsequent board products are stored for each component is placed in a predetermined arrangement outside the production line on a component supply device that can be attached to a target mounting machine. An external setup device that is mounted and prepared in advance is disclosed.

Japanese Patent Laid-Open No. 7-336088 JP 2006-310468 A

  The technology of Patent Document 1 automatically takes out the component supply jig from the component supply carriage, transfers it, returns it to the component supply jig storage shelf, and takes out the component supply jig from the component supply storage shelf and transfers it. This is a technology for setting on a component supply cart, and is intended for component replenishment setup for a component supply jig in which component breakage has occurred, and is particularly effective in automating component replenishment in a mass production line. However, although it is possible to change the parts during production, it is assumed that, in actual operation of component mounting, if the last part is used, the equipment will be stopped if the part is interrupted. In addition, in multi-product small-quantity production, no consideration is given to shortening the time required for replacement work (setup work) of all component supply jigs in units of lots produced in several pieces.

  In the technique of Patent Document 2, the outer setup device is an information terminal, and the operator is required to manually mount the component cartridge on the collective exchange cart, and work efficiency is not considered.

  The present invention is an invention for solving the above-mentioned problems, and is a setup operation for setting a component supply jig used in a component mounting machine to a component supply carriage, and the component supply carriage that has been set up is a component mounting machine. It is an object of the present invention to provide an external setup system for a component mounting machine that can automatically perform setup work placed on the machine.

  In order to achieve the above object, an external setup system for a component mounting machine according to the present invention is set in a setup work for setting (arranging) a component supply jig to be used in the component mounter on a component supply carriage, and set in the component mounter. It is a system that automates the replacement work of the component supply cart and the component supply cart for which the component supply jig for the next production model is prepared.

  The component placement machine external setup system picks up and moves the component supply jig from the component supply jig storage shelf to the component supply carriage placed on the component placement machine, and sets it to the component supply carriage. Then, the component supply cart is replaced by the component supply cart replacement device from the component supply cart that has completed the work to the component supply cart with the component supply jig prepared.

  According to the present invention, it is possible to automatically perform a setup operation for setting a component supply jig used in a component mounting machine to a component supply carriage and a setup operation for arranging the prepared component supply carriage on the component placement machine. it can.

It is a schematic diagram which shows the external setup system of the component mounting machine by this embodiment. It is a block diagram which shows the external setup system of the component mounting machine applied to the production line. It is a perspective view which shows an example of the production line shown in FIG. It is explanatory drawing which shows the structure of the control system of a production line.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic diagram showing an external setup system for a component mounting machine according to the present embodiment. The external setup system S of the component mounting machine 1 for mounting components on a product includes a component supply cart 3 (first component supply cart) on which a plurality of component supply jigs 2 on which components are set (arranged) are placed. And a component supply carriage 8 (second component supply carriage) for preparing a component supply jig 2 used for production of the next model during the production of the component mounting machine 1, and a component in which the component supply jig 2 is stored The component supply jig 2 is taken out from the position of the storage address (storage position information) of the component supply jig storage shelf 4 according to the instruction of the supply jig storage shelf 4 and the upstream production system 5, and the instruction of the upstream production system 5 Replacement of the component supply carriage 6 for automatically setting the component supply carriages 6 and 8 to be set on the component supply carriages 3 and 8 and the component supply carriages 3 and 8 on which the part supply jig 2 is set on the component mounting machine 1 Device 7.

  In the parts supply carriage replacement device 7, the parts supply carriage 3 and the parts supply carriage 8 are mounted on the same mechanism of the left and right movement plate 10, and the parts supply carriages 3 and 8 are mounted by the front and rear movement plate 9. It can be carried into the machine 1 and taken out from the component mounting machine 1. The left / right moving plate 10 and the front / rear moving plate 9 can be realized by an electric actuator or the like.

  The external setup system S is a setup operation for setting the component supply jig 2 used in the component mounting machine 1 to the component supply carts 3 and 8, and the component supply cart 3 arranged in the component mounting machine 1 and the next production. This is an external setup system that automates the setup work for replacing the parts supply jig 2 for the model with the parts supply cart 8.

  In the external setup system S, the component supply carriage 3 is placed on the component mounting 1 and the component supply jig 2 used for the next production is transferred from the component supply jig storage shelf 4 to the component supply jig while the component is mounted on the printed circuit board. Picking and moving by the transfer device 6, setting the component supply cart 8, and switching from the component supply cart 3 to the component supply cart 8 by the component supply cart replacement device 7 in accordance with an instruction from the production system 5. is there. Thereby, a series of external setup operations for the component mounting machine 1 can be performed automatically.

  The component supply jig storage shelf 4 has a storage address (storage position information) for identifying the storage destination of the component supply jig 2 as described above, and the storage address of the component supply jig and the component supply jig The jig No. and the part code of the parts are associated with each other in the upstream production system 5, and the parts supply jig transport device 6 uses the setup information of the production system to supply the parts in the parts supply jig storage shelf 4. It is possible to move to the arrangement position of the tool 2 and pick the component supply jig 2. In the component supply jig storage shelf 4, the component supply jigs 2 are arranged in a plurality of stages at the same interval. The clamp part of the component supply jig 2 is a handle of the component supply jig 2 or a jig body.

  Since the component supply jig 2 is different in size (size), the hand attached to the arm of the component supply jig conveyance device 6 is stored in the stocker according to size, and is changed by the component supply jig 2 to be picked. can do.

  A channel for setting the component supply jig 2 to the component supply carts 3 and 8 is also registered in the setup information of the production system 5, and the component supply jig conveyance device 6 is designated by the information of the production system 5. It is possible to set the component supply jig 2 in the channel of the supply carriages 3 and 8.

  Furthermore, when the parts supply carts 3 and 8 are changed when the production model is changed, the production end information of the product is transmitted from the component mounting machine 1 to the upstream production system 5, and the production system 5 that has received the production end information is A work instruction is transmitted to the parts supply cart replacement device 7. The parts supply cart replacement device 7 of the external setup system S that has received the work instruction pulls back the transport tray (front / rear moving plate 9) on which the parts supply cart 3 already arranged in the component mounting machine 1 is placed, and after the pull back is completed, The parts supply cart 3 is retracted to a specified position. At the same time, when the component supply carriage 8 prepared with the component supply jig 2 mounted on the component supply carriage replacement device 7 is moved to the front of the component mounting machine 1, the transfer tray is pushed out and is automatically arranged on the component mounting machine 1. . As a result, the external setup system S of the component mounting machine 1 selects the component supply jig 2 that has been manually performed, sets the component supply jig 2 to the component supply carts 3 and 8, and sets the component supply carts 3 and 8. A series of setup work consisting of replacement work is automatically performed.

  In the present embodiment, a surface mounting component mounting operation on a printed circuit board will be described as a specific example. First, when the production of the surface mounting component mounting on the printed circuit board is started, the component supply jig conveying device 6 of the outer setup system S is upstream from the component supply carriage 8 which is unloaded from the component mounting machine 1 and retracted to a predetermined place. In accordance with the instructions from the production system 5, the component supply jig 2 that was not used in the next model production out of the component supply jig 2 used in the previous model production is picked by the arm, and the component supply jig 2 is supplied as the component. It is conveyed to the jig storage shelf 4 and stored in the component supply jig storage shelf 4. At this time, the component supply jig conveying device 6 can be gripped by clamping a part such as a handle of the component supply jig 2. The movement is a rack and pinion system, and it moves at high speed. The external setup system S of the component mounting machine 1 is easy to add because of the rack and pinion method when the number of adopted components increases and the storage capacity of the component supply jig storage shelf 4 increases.

  It is assumed that the storage address of the component supply jig storage shelf 4 is determined when the component supply jig storage shelf 4 to be stored is newly adopted. However, the storage address assigned to the parts supply jig storage shelf 4 is periodically reviewed according to the frequency of use, and parts that are frequently used and used are reset to the storage position 4 near the parts mounting machine 1. Is done.

  Next, after the component supply jig 2 is stored in the component supply jig storage shelf 4, the component supply jig conveyance device 6 uses the upstream production system 5 to supply the component supply jig 2 to be used in the next production model. It is taken out from the component supply jig storage shelf 4 and transported, and the component supply cart 8 is automatically set to a designated channel.

  That is, the component supply jig conveying device 6 stores the component supply jig 2 picked from the component supply carriage 8 in the component supply jig storage shelf 4, and also stores the component supply jig 2 in the component supply jig storage shelf 4. And can be set on the parts supply cart 8.

  When the replacement work of the component supply jig 2 on the component supply carriage 8 is completed, the outer setup system S transmits an operation completion signal to the upstream production system 5. Next, when the component mounting machine 1 finishes the current production and can start the setup change of the next model, a setup change request signal is sent from the upstream production system 5 to the parts supply cart replacement device 7 of the external setup system S. Send.

  When receiving the setup change request signal, the component supply cart replacement device 7 carries out the component supply cart 3 that has finished mounting components from the component mounting machine 1.

  Next, the carried-out parts supply cart 3 is moved to a predetermined retreat location. At the same time, the parts supply cart 8 is carried into the parts mounting machine 1. At this time, a setup change completion signal is transmitted to the upstream production system 5, the component supply jig transport device 6 starts to move, and on the component supply carriage 3 that has moved to a predetermined retreat location according to an instruction from the upstream production system 5. The component supply jig 2 is picked, moved, and stored in the component supply jig storage shelf 4.

  As for the part replenishment method when parts are out of stock, by preparing a plurality of parts supply jigs 2 with the same parts set in the part supply jig storage shelf 4, The component supply jig 2 can be used. In addition, when the component supply jig 2 is stored in the component supply jig storage shelf 4, the production system 5 checks the remaining amount of components set in the component supply jig 2 and the amount of parts used in the next production model. If there is a shortage, an LED (Light Emitting Diode) 11 on the component supply side of the component supply jig storage shelf 4 can be blinked to prompt the operator 15 (see FIG. 2) to supply components.

  FIG. 2 is a configuration diagram showing an external setup system for a component mounting machine applied to a production line. 2A is an explanatory view of the production line as viewed from above, FIG. 2B is a view from the side of the component mounting machine 1, and FIG. 2C is a component supply jig 2. Is a view from the side of the component supply jig storage shelf 4 and the component supply jig conveying device 6. In FIG. 2C, the component supply jig 2 arranged inside is shown so as to be understood.

  The production line shown in FIG. 2A includes a printed circuit board (also referred to as a plug-in board (PI) or PCB) in the order of a solder paste printer, a component mounting machine 1A (1), and a component mounting machine 1B (1). This is a surface-mounting line that is automatically transported and mounts surface-mounted components. During the production operation, a series of setup operations are performed for the component mounting machine 1A and the component mounting machine 1B. The component supply jig conveying device 6 returns the component supply jig 2 set from the two component supply carts 8A and 8B to the component supply jig storage shelf 4. Further, in response to an instruction from the production system 5, the component supply jig conveying device 6 picks the component supply jig 2 from the component supply jig storage shelf 4 of the external setup system S, and sets the component supply jig 2 to the two component supply carts 8A and 8B. To do. In addition, the component replenishment work to the component supply jig 2 can be performed from the opposite side of the component supply jig storage shelf 4 (the side where the worker 15 is present).

  As shown in FIG. 2 (c), the component supply jig conveying device 6 can move the arm 6a up and down (in the direction of the left and right arrows in FIG. 2). The arranged component supply jig 2 can be taken out, and the component supply jig 2 can be returned to the upper and lower stages of the component supply jig storage shelf 4.

  In this embodiment, as shown in FIGS. 2 (b) and 2 (c), the outer setup system S has a component supply control between the component mounting machine 1 and the component supply jig storage shelf 4 on the floor surface. In the component supply jig storage shelf 4, the opening on the side facing the component supply jig transfer device 6 is an entrance / exit of the arm 6 a of the component supply jig transfer device 6. The opening on the side (component replenishing surface side) opposite to the side facing the component supply jig conveying device 6 is a replenishing port for replenishing components. The operator 15 does not need to enter the side facing the component supply jig conveying device 6 when replenishing the components, and the component supply jig storage shelf 4 serves as a protection fence of the operator 15 for the component supply jig conveying device 6. There is a function. Further, since the LED 11 for notifying the component replenishment is arranged on one surface of the component supply jig storage shelf 4 on the component replenishment side, the operator 15 positions the replenishment supply jig 2 that needs replenishment. The component supply jig 2 can be easily inserted and removed through the opening on the component replenishment side, and the work efficiency of component replenishment can be improved.

  FIG. 3 is a perspective view showing an example of the production line shown in FIG. In FIG. 3, the arrangement status of the component supply jig 2 in the component supply jig storage shelf 4 is indicated by a two-dot chain line. A height-adjusting base 10a is provided on the left and right moving plate 10 of the parts supply cart replacement device 7, and a rail 9a is installed on the base 10a as an embodiment of the front and rear moving plate 9 shown in FIG. The parts supply carriages 3, 8A (8), 8B (8) are moved. An electric actuator such as an electric cylinder may be used for the movement. The component supply jig conveying device 6 can move up and down, move left and right, and move back and forth.

  The component supply cart 3 (first component supply cart) and the component supply cart 8 (second component supply cart) are on the same moving base table (for example, the left and right moving plate 10 and the base 10a), and Since they are respectively placed on the rails 9a in the direction perpendicular to the moving direction of the moving base table, the first component supply vehicle and the second component supply vehicle can move left and right and back and forth. By installing them on the same moving base table, a single drive source can be configured. In addition, the base 10a is lightened by using one frame (frame shape). The number of vertical frames can be reduced compared to the case where frames are individually configured. Note that the frame is generally composed of a horizontal frame and a vertical frame.

  FIG. 4 is an explanatory diagram showing a configuration of a production line control system. This will be described with reference to FIG. The control system includes a production system 5, a plurality of component mounting machines 1 installed on the production line, and a plurality of external setup systems S that perform external setup of the components of the component mounting machine 1. The plurality of component mounting machines 1 and the plurality of external setup systems S are connected to each other via a network 30 so that they can communicate with each other.

  The processing unit 20 of the external setup system S commands the work instruction from the production system 5 to the component supply cart replacement device 7, the component supply jig transport device 6, and the component supply jig storage shelf 4, and the component supply cart. Control result information for work instructions from the replacement device 7, the component supply jig transport device 6, and the component supply jig storage shelf 4 is transmitted to the production system 5.

  As described above, the external setup system S sets up the component supply jig 2 used in the component mounting machine 1 to the component supply carts 3 and 8, and supplies the components set in the component mounting machine 1. It is possible to automate the work of exchanging the carriage (for example, the parts supply carriage 3) and the parts supply carriage (for example, the parts supply carriage 8) prepared with the parts supply jig 2 for the next production model. Specifically, the component supply jig conveying device 6 picks and moves the component supply jig 2 from the component supply jig storage shelf 4 and sets it on the component supply carts 3 and 8 to be arranged on the component mounting machine 1. The parts supply carts 3 and 8 on which the part supply jig 2 is prepared are transported and replaced by the parts supply cart replacement device 7. As a result, a series of component setup operations to the component mounting machine 1 can be performed automatically, and even in a high-mix low-volume production form, the setup operation is equivalent to a mass production line, and the setup operator can be eliminated. In addition, the automation system of the production system 5 can eliminate failure factors such as human errors.

  As a function of the external setup system S, a storage address (storage position information) for identifying the storage destination of the component supply jig 2 is attached to the component supply jig storage shelf 4. The jig No of the component supply jig and the component code of the component set in the component supply jig are linked by the upstream production system 5. The component supply jig conveying device 6 can pick the target component supply jig based on the setup information of the production system 5. A channel for setting the component supply jig 2 to the component supply carts 3 and 8 is also registered in the setup information of the production system 5, and the component supply jig conveyance device 6 is designated by the information of the production system 5. It is possible to set the component supply jig 2 in the channel of the component supply carts 3 and 8.

  Further, at the time of replacement of the parts supply cart when the production model is changed, the production end information of the product is transmitted from the component mounting machine 1 to the upstream production system 5, and the production system 5 transfers to the parts supply cart replacement device 7 of the external setup system S. Give work instructions. The parts supply cart replacement device 7 pulls back the transport tray (equivalent to the forward / backward moving plate 9) on which the parts supply cart (for example, the parts supply cart 3) already placed in the component mounting machine 1 is placed, and is designated after completion of the pull back. The parts supply cart 3 is retracted to the position. At the same time, when the component supply carriage (for example, the component supply carriage 8) prepared with the component supply jig 2 mounted on the component supply carriage replacement device 7 is moved to the front of the component mounting machine 1, the transfer tray is pushed out to the component mounting machine 1. Arranging can be automated, and furthermore, failure factors such as human error can be eliminated.

  The component supply jig conveying device 6 receives the storage position information of the component supply jig 2 in the component supply jig storage shelf 4 from the production system 5, the vehicle identification information of the component supply carts 3 and 8, and the component supply carts 3 and 8. When receiving setup information including channel information indicating the position of the machine, work instruction information such as a storage instruction (or storage instruction) to the component supply jig storage shelf 4 or a removal instruction from the component supply jig storage shelf 4, If the work instruction is a storage instruction based on the stock information, the parts supply jig 2 is removed from the parts supply trucks 3 and 8 based on the carriage identification information and the channel information, and is transported. The removed component supply jig 2 can be returned based on the storage position information.

  The component supply cart 3 (first component supply cart) and the component supply cart 8 (second component supply cart) are on the same moving base table (for example, the left and right moving plate 10 and the base 10a), and Since they are respectively placed on the rails 9a in the direction perpendicular to the moving direction of the moving base table, the first component supply vehicle and the second component supply vehicle can move left and right and back and forth.

  The external setup system S of the present embodiment is a setup that shortens the moving distance during replacement work for parts supply jigs that are frequently used or used from production model budget information on a regular basis (for example, every month or period). When the information is received from the production system 5, the received setup information is transmitted to the component supply jig transport device 6, and the arrangement of the component supply jig 2 in the component supply jig storage shelf 4 is rearranged based on the setup information. can do.

1, 1A, 1B Component loading machine 2 Component supply jig 3 Component supply cart (first component supply cart)
4 Parts supply jig storage shelf 5 Production system 6 Parts supply jig transport device 7 Parts supply cart replacement device 8 Parts supply cart (second component supply cart)
9 Forward / backward moving plate 10 Left / right moving plate 11 LED
15 worker 20 processing unit 30 network S external setup system

Claims (4)

An external setup system for a component mounting machine in which a component supply carriage is arranged in the component mounting machine for mounting the component,
A first component supply carriage on which a plurality of component supply jigs for the first production model are placed;
A second component supply carriage on which a plurality of component supply jigs for a second production model to be produced are placed;
A component supply cart replacement device that replaces the first component supply cart and the second component supply cart and arranges the first component supply cart at a predetermined position of the component mounting machine;
A component supply jig storage shelf in which the component supply jig placed on the first component supply carriage or the second component supply carriage is stored;
Removing and transporting the component supply jig from the second component supply carriage and returning it to the component supply jig storage shelf during a period in which the component supply jig of the first component supply carriage is being used; and A component supply jig conveying device that removes and conveys the component supply jig from the component supply jig storage shelf, and places the component supply jig on the second component supply carriage;
When the parts supply cart replacement device receives a replacement instruction for the component supply cart from the production system, the parts supply cart replacement apparatus pulls out the first component supply cart arranged in the component mounting machine and moves it to a predetermined location. When placing the component supply cart of the component mounting machine at the predetermined position of the component mounting machine ,
The first component supply cart and the second component supply cart are respectively mounted on the same moving base table and on a rail in a direction perpendicular to the moving direction of the moving base table. An external setup system characterized by that. The component supply jig transporting device stores storage position information of a component supply jig in the component supply jig storage shelf from the production system, vehicle identification information of the second component supply vehicle, and the second component supply vehicle. When receiving setup information including channel information indicating the upper position, work instruction information such as a storage instruction to the component supply jig storage shelf or an instruction to take out from the component supply jig storage shelf,
When the work instruction is a storage instruction based on the setup information, the component supply jig is detached from the second component supply carriage based on the cart identification information and the channel information, and is transported. The external setup system according to claim 1, wherein the removed component supply jig is returned to the component supply jig storage shelf based on the information. When the external setup system periodically receives from the production system setup information for shortening the moving distance at the time of replacement work for a part supply jig that is frequently used or used from the production model budget information, the external setup system 2. The outside according to claim 1, wherein the setup information is transmitted to a tool conveying device, and the component supply jig in the component supply jig storage shelf is rearranged based on the setup information. Setup system. In the outer setup system, the component supply jig transfer device is installed on the floor between the component mounting machine and the component supply jig storage shelf,
The component supply jig storage shelf has an opening on the side facing the component supply jig conveyance device serving as an entrance / exit of an arm of the component supply jig conveyance device, and faces the component supply jig conveyance device. The external setup system according to claim 1, wherein an opening on a side opposite to the side serves as a replenishing port for replenishing parts.

Images