Component mounting device and tape feeder

Abstract

To provide a component mounting device that can save power.SOLUTION: A component mounting device comprises: a tape feeder 5a; a mounting head 7; a storage device 55 that stores control parameter information D21 of tape feeding operations performed by the feeder 5a; a component supply control unit 52 that controls the tape feeding operations performed by the feeder 5a on the basis of mounting sequence information D13 and the control parameter information D21; and a data adjustment unit 53 that extracts an operation point pt with a temporal margin for the tape feeding operations performed by the feeder 5a on the basis of the mounting sequence information D13, and updates the value of a parameter in the control parameter information D21 at the operation point pt. The data adjustment unit 53 adjusts the value of the parameter so as to reduce power consumption required for the tape feeding operations based on the control parameter information D21 after the adjustment compared to the power consumption before the adjustment.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a component mounting apparatus and a tape feeder to be installed in the component mounting apparatus. [Background technology]

[0002] Component mounting devices equipped with a tape feeder are known (for example, see Patent Document 1). A tape feeder is a type of component supply device that feeds chip-shaped components to a predetermined component pick-up position by a mounting head while feeding out a ribbon-shaped component supply tape that stores chip-shaped components.

[0003] The mounting head picks up components supplied to the component pickup position, picks them up from the component supply tape, and transports them to the board for mounting.The tape feeder then feeds out the component supply tape at a fixed pitch each time the mounting head picks up a component. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2017-143225 Summary of the Invention [Problem to be solved by the invention]

[0005] In a tape feeder, the component supply tape is fed out by an electric motor driving a sprocket that meshes with the component supply tape. In this case, the component supply tape is generally fed out by the electric motor at high speed so that components can be supplied to the component pick-up position in the shortest time. This is intended to allow components to be picked up continuously by the mounting head, thereby shortening the takt time.

[0006] However, due to the operation of the mounting head, it is not rare that the component supply tape is always fed at high speed even though there is actually ample time. Therefore, there is room for improvement in terms of power saving.

[0007] The present invention has been made in consideration of the above-mentioned circumstances, and aims to rationally reduce the amount of power consumption required for the component supply tape feeding operation in a tape feeder, thereby reducing the power consumption of a component mounting device. [Means for solving the problem]

[0008] In order to solve the above problem, a component mounting apparatus according to one aspect of the present invention is a component mounting apparatus that produces component-mounted boards by mounting components onto a board, and includes: a tape feeder that supplies components for mounting by feeding out a component supply tape; a mounting head that picks up components from the component supply tape and mounts them on the board; a memory unit that stores control parameters for the tape feeding operation by the tape feeder; a control unit that controls the tape feeding operation by the tape feeder based on sequence information of the component picking operation of the mounting head and the control parameters stored in the memory unit; an operating point extraction unit that extracts operating points with sufficient time for the tape feeding operation by the tape feeder based on the sequence information; and a parameter adjustment unit that adjusts the value of the control parameter at the operating point extracted by the operating point extraction unit and stores the adjusted value in the memory unit, wherein the parameter adjustment unit adjusts the value of the control parameter so that power consumption required for the tape feeding operation based on the adjusted control parameter is lower than before the adjustment.

[0009] According to this component mounting device, an operating point with sufficient time for the tape feed operation is extracted based on sequence information of the component pick-up operation of the mounting head, and the control parameters for the tape feed operation at this operating point are adjusted and updated and stored. Specifically, the control parameters are adjusted and updated so that the power consumption required for the tape feed operation based on the adjusted control parameters is reduced compared to before the adjustment. The tape feed operation of the tape feeder is then controlled based on the adjusted control parameters. This makes it possible to rationally reduce the power consumption of the tape feeder without affecting the takt time, thereby enabling power savings in the component mounting device.

[0010] In this case, the control parameters may be acceleration, deceleration, and maximum speed, and the parameter adjustment unit may be configured to lower the value of at least one of the acceleration, deceleration, and maximum speed parameters compared to before adjustment.

[0011] According to this configuration, the control parameter values ​​are adjusted so that the acceleration / deceleration rate and maximum speed are lowered for tape feeding operations where there is ample time, thereby reducing the power consumption of the tape feeder.

[0012] In the component mounting device of each of the above aspects, the parameter adjustment unit may be configured to select a mode from a plurality of modes having different adjustment degrees according to the degree of time leeway, and adjust the value of the control parameter based on the mode.

[0013] According to this configuration, the value of the control parameter is adjusted in accordance with the amount of time available so that power consumption is further reduced, thereby making it possible to effectively reduce the power consumption of the tape feeder.

[0014] Furthermore, in the component mounting device of each of the above aspects, the operating point extraction unit may be configured to extract the operating points based on the sequence information before production of the component mounting board starts, and the parameter adjustment unit may be configured to adjust the control parameters at the operating points extracted by the operating point extraction unit in advance before production of the component mounting board starts.

[0015] This configuration makes it possible to reduce the power consumption of the tape feeder from the start of production of component-mounted boards, and also makes it possible to avoid the impact on takt time that would be caused by adjusting the control parameters as described above after production has started.

[0016] In addition, in the component mounting device of each of the above aspects, the operating point extraction unit may be configured to extract the operating points based on the updated sequence information when the sequence information is updated after production of the component mounting board has started.

[0017] With this configuration, if the sequence information is updated (changed) after the start of production of component mounting boards due to a change in production conditions, etc., the control parameters are adjusted based on the updated sequence information. Therefore, it is possible to enjoy the power-saving effect of the component mounting device even if the production conditions are changed.

[0018] In addition, the component mounting device of each of the above aspects may further include a head unit having a plurality of the mounting heads, the sequence information including a continuous removal sequence for continuously removing the same component from the same tape feeder, and the operating point extraction unit may be configured to extract, as the operating point, only the tape feeding operation of the tape feeder corresponding to the first component removal operation in the continuous removal sequence.

[0019] When multiple mounting heads continuously pick up the same components from a tape feeder, performing the tape feeding operation at a high speed is important for shortening the takt time. However, in a continuous pick-up sequence, there is often a gap (time margin) between the tape feeding operation corresponding to the first component pick-up operation and the component pick-up operation immediately before it. Therefore, with the above configuration, it is possible to reduce the power consumption of the tape feeder without affecting the takt time for continuous component pick-up.

[0020] On the other hand, a tape feeder according to one aspect of the present invention is a tape feeder that is mounted on a component mounting device and supplies components for mounting by feeding out a component supply tape, and includes: a memory unit that stores control parameters for a feed-out operation of the component supply tape; a control unit that controls the feed-out operation of the component supply tape based on the control parameters stored in the memory unit; an operating point extraction unit that acquires sequence information of a component pick-up operation of a mounting head that picks up components from the component supply tape and mounts them on a board, and extracts, based on the sequence information, an operating point at which there is sufficient time for the tape feed-out operation by the tape feeder; and a parameter adjustment unit that adjusts the value of the control parameter at the operating point extracted by the operating point extraction unit and stores the adjusted value in the memory unit, wherein the parameter adjustment unit adjusts the value of the control parameter so that power consumption required for the tape feed-out operation based on the adjusted control parameter is lower than before the adjustment.

[0021] According to this tape feeder, an operating point where there is sufficient time for the tape feeding operation is extracted based on sequence information of the component pick-up operation of the mounting head, and control parameters for the tape feeding operation at this operating point are adjusted and updated and stored. Specifically, the control parameters are adjusted and updated so that the power consumption required for the tape feeding operation based on the adjusted control parameters is reduced compared to before the adjustment. The tape feeding operation of the tape feeder is then controlled based on these adjusted control parameters. This makes it possible to rationally reduce the power consumption of the tape feeder within a range that does not affect the takt time, thereby enabling power savings in the component mounting device in which the tape feeder is installed.

[0022] a control unit that controls the tape feeding operation of the tape feeder based on sequence information of the component picking operation of the mounting head and the control parameters stored in the storage unit; an operating point extraction unit that extracts operating points where there is no time to spare for the tape feeding operation of the tape feeder based on the sequence information; and a parameter adjustment unit that changes the value of the control parameter at the operating point extracted by the operating point extraction unit from the value in the power saving mode to the value in the reference mode and stores the changed value in the storage unit, wherein the power saving mode is a mode in which power consumption required for the tape feeding operation is lower than that in the reference mode.

[0023] In this component mounting device, the power consumption required for the tape feed operation of the tape feeder is preset to a mode (power saving mode) value that is lower than that of the reference mode. Then, based on sequence information of the component pick-up operation of the mounting head, an operating point where there is no time margin for the tape feed operation is extracted, and the control parameters for the tape feed operation at this operating point are adjusted and updated and stored. Specifically, the control parameter values ​​at the extracted operating point are changed from the power saving mode values ​​to the reference mode values ​​and updated and stored. The tape feed operation of the tape feeder is then controlled based on these adjusted control parameters. This makes it possible to rationally reduce the power consumption of the tape feeder within a range that does not affect the takt time, thereby enabling power savings in the component mounting device. [Effects of the Invention]

[0024] According to the present invention as described above, it is possible to rationally suppress the amount of power consumption required for the component supply tape feeding operation in the tape feeder, thereby achieving power saving in the component mounting device. [Brief explanation of the drawings]

[0025] [Figure 1] 1 is a plan view showing the overall configuration of a component mounting apparatus according to the present invention; [Figure 2] FIG. 2 is a side view of the tape feeder. [Figure 3] FIG. 2 is a block diagram showing a control system of the component mounting apparatus. [Figure 4] 10 is a flowchart illustrating an example of data adjustment process control. [Figure 5] FIG. 10 is an explanatory diagram of extraction conditions for power-saving points (operation points with sufficient time). [Figure 6] 10 is a schematic plan view showing an example of a component suction operation by a mounting head. FIG. [Figure 7] 10 is a timing chart showing the lifting and lowering operation of the mounting head. [Figure 8]10 is a timing chart showing an example of control of a tape feeding operation. [Figure 9] 10 is a timing chart showing a control example (modification) of the tape feeding operation. DETAILED DESCRIPTION OF THE INVENTION

[0026] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. [Overall configuration of component mounting device 1] 1 is a plan view showing the overall configuration of a component mounting apparatus 1 according to an embodiment of the present invention. The component mounting apparatus 1 is an apparatus for producing component-mounted boards in which components such as electronic components are mounted on a substrate P such as a printed circuit board. The component mounting apparatus 1 includes an apparatus main body 2 equipped with a base 3, a component transport mechanism 4, a component supply unit 5, and a head unit 6, and a tape feeder 5a arranged in the component supply unit 5 of the apparatus main body 2.

[0027] The base 3 is a mounting base for various devices provided in the component mounting apparatus 1. The component transport mechanism 4 is a transport line for the board P placed on the base 3, and is composed of a pair of conveyors 4a extending in the X direction. The conveyors 4a transport the board P from outside the machine to a predetermined mounting work position, and after the mounting work, transport the board P from the mounting work position to outside the machine. The position of the board P shown in FIG. 1 is the mounting work position.

[0028] The component supply units 5 are provided on both sides of the board transport mechanism 4 in the Y direction. Various devices for supplying mounted components are arranged in the component supply units 5. In this example, each component supply unit 5 has multiple tape feeders 5a, as described above, arranged in parallel along the conveyor 4a.

[0029] Fig. 2 is a side view of tape feeder 5a. Tape feeder 5a includes feeder body 30 fixed to support base 5b of component supply unit 5, and reel 40 located behind it (on the Y1 side in Fig. 2). Reel 40 has a ribbon-like component supply tape 42 (hereinafter simply referred to as tape 42) wound in multiple layers, on which chip-like electronic components are stored at regular intervals.

[0030] Tape feeder 5a supplies components to component pick-up position 30a located at the upper front end of feeder body 30 by feeding tape 42 pulled out from reel 40 along path 32 to the upper front end of feeder body 30. A sprocket 34 and an electric motor 36 that rotates and drives sprocket 34 are disposed below component pick-up position 30a. Sprocket 34 is engaged with tape 42, and tape 42 is fed out when sprocket 34 is driven by electric motor 36.

[0031] Although detailed illustrations are omitted, tape 42 is composed of a carrier tape containing components and a cover tape attached to the carrier tape so as to cover the components. The cover tape is peeled off or opened just before component removal position 30a. As a result, components can be removed by mounting head 7, which will be described later, at component removal position 30a.

[0032] Reference numeral 38 in Fig. 2 denotes a feeder control device 38 provided in the feeder main body 30. The feeder control device 38 includes a driver that controls the driving of the electric motor 36. The feeder control device 38 of each tape feeder 5a provided in the component supply unit 5 is connected to a main body control device 50 (described later) of the device main body 2 so as to be able to communicate with each other. The feeder control device 38 controls the electric motor 36 based on an input of a command signal transmitted from the main body control device 50, thereby performing the operation of feeding out the tape 42.

[0033] Returning to FIG. 1, head unit 6 is a unit that picks up components from component supply unit 5, transports the components to the board P at the mounting work position, and mounts (places) them on the board P. Head unit 6 is equipped with multiple shaft-shaped mounting heads 7 that pick up components and release the components when mounting them. The mounting heads 7 are capable of moving up and down and rotating around their central axes, and are driven by a head drive mechanism 8 (FIG. 3) that is driven by an electric motor (not shown).

[0034] The device main body 2 is equipped with a head unit drive mechanism 10 that moves the head unit 6 horizontally (in the X and Y directions) in at least the space above the component supply unit 5 and the board P at the mounting work position. The head unit drive mechanism 10 includes fixed rails 12 each fixed to a pair of elevated frames installed on the base 3, a beam 14 that moves in the Y direction along the fixed rails 12, and a unit support member (not shown) that moves in the X direction along the beam 14. The head unit 6 is attached to this unit support member. The beam 14 and the unit support member are each moved by the driving force of an electric motor (not shown). The movement of the beam 14 and the unit support member allows the head unit 6 to move to any position in the X and Y directions.

[0035] In the component mounting apparatus 1, the head unit 6 moves to the space above the component supply unit 5, and components are taken out from the tape feeder 5a as the mounting head 7 moves up and down. In this case, components are taken out successively or simultaneously from one or more tape feeders 5a by one or more mounting heads 7. The head unit 6 then moves to the space above the substrate P at the mounting work position, and as the mounting heads 7 move up and down, the components picked up by each mounting head 7 are sequentially mounted onto the substrate P. Then, as the head unit 6 moves between the substrate P at the mounting work position and the component supply unit 5, the above-mentioned operation of the mounting heads 7 is repeated, thereby producing a component-mounted board on which components are mounted on the substrate P.

[0036] [Control system of component mounting device 1] 3 is a block diagram showing a control system of the component mounting apparatus 1. The component mounting apparatus 1 is equipped with a main body control device 50 as shown in the drawing.

[0037] The main body control device 50 is composed of a CPU (Central Processing Unit), ROM (Read Only Memory) that stores a control program, RAM (Random Access Memory) used as a work area for the CPU, etc. The main body control device 50 controls the operation of each component of the device main body 2 and executes various arithmetic processing by having the CPU execute the control program stored in the ROM. The main body control device 50 includes, as its main functional components, a mounting control unit 51, a component supply control unit 52, a data adjustment unit 53, and a display control unit 54. The main body control device 50 is also equipped with a storage device 55 such as a rewritable hard disk, a display unit 20, and an operation unit 22.

[0038] The display unit 20 is configured with a liquid crystal display or the like, and displays various information on the component mounting process performed by the device main body 2. The operation unit 22 is configured with a keyboard, a mouse, a touch panel or the like provided on the display unit 20. The operation unit 22 receives input operations of various commands to the main body control device 50 by the operator.

[0039] The mounting control unit 51 comprehensively controls the component mounting process performed by each mounting head 7 (head unit 6) based on data stored in the storage device 55, and also executes various arithmetic processes associated with this control.

[0040] The component supply control unit 52 comprehensively controls the component supply operation, i.e., the operation of feeding out the tape 42 in each tape feeder 5a, based on the data stored in the storage device 55, and also executes various calculation processes associated with this control.

[0041] The storage device 55 stores various programs executed by the mounting control unit 51 and the component supply control unit 52, as well as various data referenced when the programs are executed. The various data include board data D1 and mounting data D2.

[0042] The board data D1 is mainly data relating to the board P (component-mounted board) to be produced. The board data D1 includes, for example, production plan information D11, mounted component information D12, and mounting sequence information D13.

[0043] The production plan information D11 is information such as board names indicating the types of boards P scheduled for production, the production sequence of each type of board P, and the production quantity of each type of board P. The mounted component information D12 is information in which component names, shapes, dimensions, and the target mounting positions (X, Y, R) of each component on the board P indicating the type of component to be mounted on each type of board P are registered. The mounting sequence information D13 is information regarding the sequence of mounting operations, such as the pickup sequence and mounting sequence of components by each mounting head 7. This mounting sequence information D13 is created based on the mounted component information D12 and setup information D22 (described later) and is generated based on a predetermined optimization process executed by a management device (such as a management computer) not shown in the figure, so as to shorten the takt time of the mounting work by the mounting head 7 as much as possible.

[0044] The mounting data D2 is information that is taken into consideration when the mounting control unit 51 controls the component mounting process of the device main body 2 and when the tape feeder 5a controls the tape feeding operation. The mounting data D2 includes, for example, control parameter information D21 and setup information D22.

[0045] The control parameter information D21 is registered information relating to the movement speed (maximum speed) and acceleration / deceleration of the head unit 6 and each mounting head 7, and information relating to the operating speed (maximum speed) and acceleration / deceleration of tape feeding in each tape feeder 5a. The setup information D22 is registered information relating to parameters identifying the tape feeders 5a installed in the component supply unit 5. In this mounting data D2, parameters identifying the tape feeders 5a are registered, such as an identifier for identifying the tape feeder 5a, the set position of the tape feeder 5a in the component supply unit 5, and the type of components supplied by each tape feeder 5a.

[0046] The data adjustment unit 53 executes a data adjustment process to adjust and update the parameter values ​​registered as control parameter information D21 based on the board data D1, with the aim of reducing power consumption in the component mounting apparatus 1. Specifically, the data adjustment unit 53 extracts, based on the mounting sequence information D13, an operating point pt at which there is sufficient time for the tape feed operation of each tape feeder 5a, and changes the registered parameter values ​​so as to reduce the amount of power consumed by the tape feed operation at the operating point pt. By controlling the tape feed operation of the tape feeder 5a based on the control parameter information D21 after the change made by this data adjustment process, the component mounting apparatus 1 achieves reduced power consumption compared to before the change. This data adjustment process will be described in detail later.

[0047] The display control unit 54 controls the display operation of the display unit 20, and displays various information related to the component mounting process in a predetermined format.

[0048] In this example, the mounting sequence information D13 corresponds to the "sequence information" of the present invention, and the control parameter information D21 corresponds to the "control parameters" of the present invention. Also, in this example, the data adjustment unit 53 functions as the "operating point extraction unit" and the "parameter adjustment unit" of the present invention.

[0049] [Data adjustment processing] The initial values ​​of the parameters registered in the control parameter information D21 are set so that the operations of each unit are executed in the shortest possible time, in order to shorten the takt time. Therefore, for the tape feeder 5a, the parameter values ​​of the tape feeding operation, specifically, the acceleration / deceleration rate and maximum speed of the electric motor 36, are set to the highest possible values ​​so that components can be placed at the component pick-up position 30a in the shortest possible time. However, in reality, there is a time surplus in relation to the operation of the mounting head 7, etc., and from the viewpoint of power consumption, the tape feeding operation is often performed unnecessarily fast. Therefore, in this component mounting apparatus 1, as described above, based on the mounting sequence information D13, an operating point pt where there is a time surplus for the tape feeding operation of each tape feeder 5a is extracted, and the data adjustment unit 53 executes a data adjustment process to change (review) the registered parameter values ​​so that the power consumption due to the tape feeding operation at the operating point pt can be reduced.

[0050] The control of the data adjustment process will be described below with reference to the flowchart of Fig. 4. Fig. 4 is a flowchart showing an example of the control of the data adjustment process by the data adjustment unit 53.

[0051] The data adjustment process is automatically started before the start of production of component-mounted boards, and is then executed continuously until the end of production.

[0052] When the data adjustment process starts, the data adjustment unit 53 determines whether or not the execution conditions for the data adjustment process are met (step S1). For example, before the start of production, the data adjustment unit 53 causes the display unit 20 to display a confirmation screen for asking whether or not to continue execution of the data adjustment process via the display control unit 54. When the operator inputs an intention to continue to the storage device 55 via the operation unit 22 in response to this screen display, the data adjustment unit 53 determines that the execution conditions are met.

[0053] The display of the necessity confirmation screen on the display unit 20 is also performed when mounting conditions are changed during production and the mounting sequence information D13 is updated. For example, when the mounted component information D12 or the setup information D22 is updated due to a change in the placement of tape feeders 5a or the addition of tape feeders 5a in accordance with a change in the mounted components, the optimization process is executed again in the management device, and the mounting sequence information D13 in the storage device 55 is updated. In this case, the data adjustment unit 53 causes the display unit 20 to display a necessity confirmation screen for prompting the operator whether or not to execute the data adjustment process based on the updated mounting sequence information D13 via the display control unit 54. Therefore, in this case as well, when the operator inputs an intention to continue into the storage device 55 via the operation unit 22, the data adjustment unit 53 determines that the execution conditions for the data adjustment process have been met.

[0054] If the determination in step S1 is Yes, the data adjusting unit 53 refers to the mounting sequence information D13 and determines whether or not there is a power saving point regarding the tape feeding operation by each tape feeder 5a (steps S3 and S5).

[0055] Specifically, the data adjustment unit 53 determines whether there is an operating point pt at which there is sufficient time for the tape feeder 5a to perform the tape feed operation, based on the mounting sequence information D13. Note that the timing of the tape feed operation by each tape feeder 5a, in other words, the timing at which the component supply control unit 52 outputs a command signal to the tape feeder 5a, corresponds to the component pickup sequence by the mounting head 7 registered in the mounting sequence information D13. Therefore, by taking the mounting sequence information D13 into consideration, it is possible to determine whether there is an operating point pt.

[0056] In this case, more specifically, the data adjustment unit 53 determines whether there is a tape feeding operation in which there is a time difference Δt between the free time ti of the tape feeding operation in the same tape feeder 5a and the shortest feeding time tf, i.e., a tape feeding operation where (ti-tf)>0 (operation point pt with sufficient time), as shown in Figure 5.

[0057] The idle time ti is the time from when a tape feeding operation (referred to as a preceding tape feeding operation) is performed until when the next tape feeding operation (referred to as a succeeding tape feeding operation) is performed. More precisely, it is the time from when the component supply control unit 52 outputs a command signal for the preceding tape feeding operation to the tape feeder 5a until when the command signal for the succeeding tape feeding operation is output. The shortest feeding time tf is the shortest time from when the component supply control unit 52 outputs a command signal for the tape feeding operation to the tape feeder 5a until a component is placed at the component take-out position 30a. Specifically, it is the tape feeding time of the tape feeder 5a corresponding to the initial values ​​of the parameters registered in the control parameter information D21, i.e., the initial values ​​of the speed (maximum speed) and acceleration / deceleration of the tape feeding operation.

[0058] If the answer is Yes in step S5, the data adjustment unit 53 extracts a power-saving point, i.e., an operating point pt where there is sufficient time for the tape feeding operation, and then changes the mode of the tape feeding operation related to the extracted operating point pt, and stores the changed control parameter information D21 in the storage device 55 (steps S7 to S11).

[0059] Specifically, the data adjustment unit 53 changes the parameter values ​​registered in the control parameter information D21 to values ​​for the power saving mode. As described above, the parameter values ​​(initial values) registered in the control parameter information D21 are values ​​for the high-speed mode in which the tape is fed out in the shortest feeding time tf. Therefore, in the processing of step S9, the data adjustment unit 53 updates the control parameter information D21 so that the parameter values ​​registered in the control parameter information D21 are reduced in power consumption, specifically, so that the value of at least one parameter among the acceleration, deceleration, and maximum speed is reduced from its initial value.

[0060] After updating the control parameter information D21, the data adjustment unit 53 determines whether or not the production of the component mounting board has been completed (step S13), and if the determination here is No, the data adjustment unit 53 shifts the processing to step S1. Then, if the final determination in step S13 is Yes, the data adjustment unit 53 ends this flowchart.

[0061] [Example of data adjustment processing] Fig. 6 is a schematic plan view showing an example of component suction operation by the mounting head 7 (head unit 6). Fig. 7 is a timing chart showing the lifting and lowering operation of the mounting head 7 corresponding to Fig. 6. The examples of Figs. 6 and 7 show an operation in which four components a are successively picked up from feeder a, four components b are successively picked up from feeder b, and then two components c are successively picked up from feeder c.

[0062] When the mounting sequence information D13 includes a pickup sequence as shown in FIG. 6 and FIG. 7 (an example of the "continuous take-out sequence" of the present invention), the data adjustment unit 53 can extract the tape feeding operations of feeders a to c corresponding to the component pickup operations in the area surrounded by the dashed line in FIG. 7 as the tape feeding operations for which ti-tf>0, as power saving points, i.e., operating points pt where there is sufficient time for the tape feeding operations.

[0063] Specifically, data adjustment unit 53 can extract, as operation points pt with sufficient time, the tape feeding operation of feeder a when supplying the first (first) component a of the components a successively picked up by mounting head 7, the tape feeding operation of feeder b when supplying the first (first) component b of the components b successively picked up by mounting head 7, and the tape feeding operation of feeder c when supplying the first (first) component c of the components c successively picked up by mounting head 7. This is because, while the supply of the second and subsequent components must be carried out in the shortest feeding time tf, there may be cases where t i - t f > 0 when supplying the first component in relation to the timing of the component supply immediately before.

[0064] In this case, the data adjustment unit 53 changes the parameter value of the tape feeding operation corresponding to the extracted operation point pt from the control parameter information D21. That is, the parameter value is changed from the high-speed mode to the power-saving mode value as follows:

[0065] Figure 8 is a timing chart showing an example of control of the tape feeding operation (electric motor 36) of tape feeder 5a based on control parameter information D21, where (a) shows an example of control when the parameters are at their initial values, i.e., in high-speed mode, and (b) shows an example of control after changing from high-speed mode to power-saving mode.

[0066] 8(b) and 8(b), for feeder a, the data adjustment unit 53 advances the timing of outputting a command signal for the tape feeding operation to feeder a when supplying the first component a by an advance time ta, and changes the value of at least one parameter of the tape feeding operation parameters, acceleration, deceleration, and maximum speed, to a value lower than the initial value. In the example of FIG. 8(b), the values ​​of all the parameters, acceleration, deceleration, and maximum speed, are changed to values ​​lower than those in the example of FIG. 8(a).

[0067] Similarly, for feeder b, data adjustment unit 53 advances the timing of outputting a command signal for the tape feeding operation to feeder b when feeding the first component b by advance time tb, and changes the value of at least one parameter of the acceleration, deceleration, and maximum speed, which are parameters for the tape feeding operation, to a value lower than the initial value. Note that, although not shown, the same is true for feeder c.

[0068] In this case, the data adjustment unit 53 can set preset advance times ta, tb in accordance with the time difference Δt, and change the value of at least one parameter among the acceleration, deceleration, and maximum speed to a preset value. Furthermore, the data adjustment unit 53 can set the advance times ta, tb relatively longer as the time difference Δt is relatively larger in accordance with the time difference Δt, and can also change the value of at least one parameter so that the acceleration, deceleration, and maximum speed are changed to a greater extent as the time difference Δt is relatively longer, in other words, so that the acceleration, deceleration, and maximum speed are lowered.

[0069] In this way, in the data adjustment process, the parameter value of the tape feeding operation that corresponds to the power-saving point (operation point pt where there is sufficient time for the tape feeding operation) in the control parameter information D21 is changed from the high-speed mode (initial value) to the power-saving mode value. Then, when production of component-mounted boards begins, the tape feeding operation of the tape feeder 5a is controlled based on the changed control parameter information D21.

[0070] Here, we have explained the case where the data adjustment process is performed before the start of production of the component-mounted board. However, when the optimization process is performed after the start of production of the component-mounted board and the mounting sequence information D13 is updated, the data adjustment process is also performed basically in the same way as before the start of production.

[0071] [effect] As described above, according to the component mounting apparatus 1 of the embodiment, the data adjustment unit 53 executes a data adjustment process. That is, the data adjustment unit 53 extracts, from the control parameter information D21 stored in the storage device 55, an operating point pt at which there is sufficient time for the tape feed operation of the tape feeder 5a. The data adjustment unit 53 then executes a process of changing (adjusting) the parameter values ​​of the tape feed operation at this operating point pt—specifically, the value of at least one parameter among acceleration, deceleration, and maximum speed—so as to reduce the amount of power consumed by the tape feed operation. The tape feed operation of the tape feeder 5a is then controlled based on the changed control parameter information D21. Therefore, according to the component mounting apparatus 1 of the embodiment, the power consumption of the tape feeder 5a can be reasonably reduced without affecting the takt time, thereby enabling the component mounting apparatus 1 to save power. In other words, the component mounting apparatus 1 of the embodiment achieves greater power savings than conventional apparatuses in which the tape feed operation is performed at high speed so that components can always be supplied in the shortest possible time.

[0072] In particular, in the component mounting apparatus 1 of the embodiment, the data adjustment process can be executed before the start of production of component-mounted boards, which makes it possible to reduce the amount of power consumed by the tape feeder 5a from the start of production of component-mounted boards.

[0073] Furthermore, according to the component mounting apparatus 1 of the embodiment, as described above, the data adjustment process can also be executed when the optimization process is executed again in the management device and the mounting sequence information D13 in the storage device 55 is updated. Therefore, even if the mounting sequence information D13 is updated in accordance with a change in production conditions, it is possible to enjoy the power saving effect when subsequently producing component mounting boards.

[0074] Furthermore, in the component mounting apparatus 1 of the embodiment, if the mounting sequence information D13 includes a pickup sequence in which the same component is continuously picked up from the same tape feeder 5a, in the data adjustment process, only the tape feeding operation corresponding to the first component pick-up operation in the pickup sequence is extracted as an operation point pt with sufficient time, and the parameter value of the tape feeding operation at the operation point pt is changed. Therefore, the component mounting apparatus 1 of the embodiment makes it possible to reduce the power consumption of the tape feeder without affecting the takt time for continuous component pick-up.

[0075] [Variations] The component mounting apparatus 1 described above is an example of a preferred embodiment of the component mounting apparatus according to the present invention, and its specific configuration can be changed as appropriate without departing from the scope of the present invention. For example, the following configurations are also applicable.

[0076] (1) In the embodiment, when the value of a parameter (at least one of acceleration, deceleration, and maximum speed) in the data adjustment process is changed, i.e., when changing from the high-speed mode (initial value) to the power-saving mode, the value of the parameter is changed to a preset value in accordance with the time difference Δt. Although not mentioned in the embodiment, in this case, the data adjustment unit 53 may select a power-saving mode from a plurality of modes having different adjustment degrees according to the degree of the time difference Δt (degree of time allowance), and change the value of the parameter to a preset value for each mode.

[0077] (2) Furthermore, the value of a parameter (at least one of acceleration, deceleration, and maximum speed) in the data adjustment process may be changed as follows. That is, the data adjustment unit 53 may display the time difference Δt on the display unit 20 via the display control unit 54, and the operator may input a parameter value via the operation unit 22 in response to the display, causing the data adjustment unit 53 to change the parameter value to the input value. Note that in this case, the input may be made by the operator selecting an arbitrary value from a plurality of preset values ​​displayed on the display unit 20, in addition to inputting an arbitrary value. These configurations increase the degree of freedom in adjusting the parameters for the tape feeding operation of the tape feeder 5a.

[0078] (3) In the embodiment, the condition for extracting a power saving point, i.e., the condition for extracting an operation point pt with sufficient time, is ti - tf > 0. However, the condition for extracting the operation point pt is not limited to ti - tf > 0. For example, the condition for extracting the operation point pt may be that the available time ti is equal to or longer than a preset time, or other conditions may be set.

[0079] (4) In the embodiment, when the mounting sequence information D13 includes a pickup sequence in which the same component is continuously picked up, only the tape feeding operation corresponding to the first component pick-up operation in the pickup sequence is extracted as the operation point pt with time margin. However, the tape feeding operation extracted as the operation point pt with time margin is not limited to the tape feeding operation corresponding to the first component pick-up operation when components are continuously picked up from the same tape feeder 5a. Any tape feeding operation that satisfies the extraction condition for the operation point pt may be extracted.

[0080] (5) In the embodiment, the data adjustment unit 53 that executes the data adjustment process is provided in the main body control device 50 that controls the device main body 2. However, the data adjustment unit 53 may also be provided in the tape feeder 5a. That is, the feeder control device 38 may be provided with a storage unit that stores control parameter information D21 for the tape feeder 5a, a component supply control unit 52, and a data adjustment unit 53, and the data adjustment unit 53 may be configured to acquire mounting sequence information D13 from the storage device 55, thereby executing the data adjustment process and updating the control parameter information D21. The tape feeder 5a configured in this manner corresponds to the tape feeder of the present invention.

[0081] The data adjustment unit 53 may also be provided in the management device (such as a management computer) that is provided separately from the device main body 2. That is, the data adjustment unit 53 provided in the management device may be configured to acquire the mounting sequence information D13 and the control parameter information D21 from the main body control device 50 (storage device 55), execute data adjustment processing, and update the control parameter information D21. In this case, the device main body 2 and the management device constitute the component mounting device of the present invention.

[0082] (6) In the embodiment, the initial values ​​of the tape feeding operation parameters registered in the control parameter information D21 were set to values ​​in a high-speed mode (herein referred to as the reference mode) that would enable a component to be placed at the component pick-up position 30a in the shortest time possible in order to shorten the takt time. Specifically, the acceleration / deceleration and maximum speed of the electric motor 36 were set to the highest possible values.

[0083] However, from the viewpoint of power saving, the initial value may be set in advance to a value for a mode (power saving mode) in which the power consumption required for the tape feeding operation is lower than that of the reference mode. In this case, as shown in Fig. 9, the data adjustment unit 53 can be configured to extract, based on the mounting sequence information D13, operating points where there is no time leeway for the tape feeding operation by each tape feeder 5a, i.e., points where the tape feeding operation should be sped up (steps S5 and S7), and to execute a data adjustment process to change the registered parameter values ​​from the values ​​(initial values) for the power saving mode to the values ​​for the reference mode (step S9) so as to shorten the time required for the tape feeding operation at the operating point. Note that Fig. 9 is a flowchart showing an example of control of the tape feeding operation in this modification (6). The processing contents of this flowchart other than steps S5, S7, and S9 are basically the same as those of the control example (flowchart) shown in Fig. 4.

[0084] An operating point where there is no time leeway for the tape feeding operation refers to, for example, a tape feeding operation where the time difference Δt' between the free time ti for the tape feeding operation and the tape feeding time tf' based on the initial value is 0, or where the time difference Δt' is less than a set value. For example, if the mounting sequence information D13 includes a pickup sequence (an example of a "continuous take-out sequence") such as that shown in FIGS. 6 and 7, the data adjustment unit 53 can extract, as an operating point where the speed of the tape feeding operations of feeders a to c corresponding to component pickup operations other than the portion surrounded by the dashed line in FIG. 7 should be increased. Therefore, with the configuration according to such modified example (6), as in the embodiment, the power consumption of tape feeder 5a can be rationally reduced within a range that does not affect the takt time, thereby enabling power saving in the component mounting apparatus 1. [Explanation of symbols]

[0085] 1. Component mounting equipment 2 Mounting machine body 5a Tape feeder 6 Head Unit 7 Mounting head 36 Electric motor 38 Feeder control device 40 reels 42 Parts supply tape 50 Main control device 51 Mounting control section 52 Parts supply control unit (control unit) 53 Data adjustment unit (operating point extraction unit / parameter adjustment unit) 55 Storage device (storage unit) D1 board data D11 Production planning information D12 Mounted parts information D13 Mounting sequence information (sequence information) D2 Implementation Data D21 Control parameter information (control parameters) D22 Setup Information

Claims

1. A component mounting apparatus that produces a component-mounted board by mounting components on a board, a tape feeder that feeds components for mounting by feeding out a component supply tape; a mounting head that picks up components from the component supply tape and mounts them on a board; a storage unit that stores control parameters for the tape feeder's tape feeding operation; a control unit that controls the tape feeding operation by the tape feeder based on sequence information of the component pick-up operation of the mounting head and the control parameters stored in the storage unit; an operation point extraction unit that extracts an operation point with sufficient time for the tape feeding operation by the tape feeder based on the sequence information; a parameter adjusting unit that adjusts the value of the control parameter at the operation point extracted by the operation point extracting unit and stores the adjusted value in the storage unit as an update; The component mounting device is characterized in that the parameter adjustment unit adjusts the value of the control parameter so that the power consumption required for the tape feeding operation based on the adjusted control parameter is reduced compared to before the adjustment.

2. 2. The component mounting apparatus according to claim 1, the control parameters are acceleration, deceleration, and maximum speed; The component mounting device, wherein the parameter adjustment unit reduces the value of at least one of the parameters of acceleration, deceleration, and maximum speed compared to before adjustment.

3. 3. The component mounting apparatus according to claim 1, The component mounting device is characterized in that the parameter adjustment unit selects a mode from a plurality of modes having different adjustment degrees according to the degree of time leeway, and adjusts the value of the control parameter based on the selected mode.

4. 3. The component mounting apparatus according to claim 1, the operating point extraction unit extracts the operating points based on the sequence information before production of the component mounting board begins; the parameter adjustment unit adjusts the control parameters at the operating points extracted by the operating point extraction unit in advance before production of the component mounting board begins.

5. 3. The component mounting apparatus according to claim 1, wherein the operating point extraction unit extracts the operating points based on the updated sequence information when the sequence information is updated after production of the component mounting board has started.

6. 3. The component mounting apparatus according to claim 1, further comprising a head unit having a plurality of the mounting heads, the sequence information includes a continuous take-out sequence for continuously taking out the same component from the same tape feeder, The component mounting device, wherein the operating point extraction unit extracts, as the operating point, only the tape feeding operation of the tape feeder corresponding to the first component pick-up operation of the continuous pick-up sequence.

7. A tape feeder that is mounted on a component mounting device and feeds out a component supply tape to supply components for mounting, a storage unit that stores control parameters for the component supply tape feed operation; a control unit that controls a feeding operation of the component supply tape based on the control parameters stored in the storage unit; an operating point extraction unit that acquires sequence information of a component picking operation of a mounting head that picks up components from the component supply tape and mounts them on a board, and extracts an operating point with sufficient time for a tape feeding operation by the tape feeder based on the sequence information; a parameter adjusting unit that adjusts the value of the control parameter at the operation point extracted by the operation point extracting unit and stores the adjusted value in the storage unit as an update; A tape feeder characterized in that the parameter adjustment unit adjusts the value of the control parameter so that the power consumption required for the tape feeding operation based on the adjusted control parameter is reduced compared to before the adjustment.

8. A component mounting apparatus that produces a component-mounted board by mounting components on a board, a tape feeder that feeds components for mounting by feeding out a component supply tape; a mounting head that picks up components from the component supply tape and mounts them on a board; a storage unit that stores control parameters for controlling a tape feeding operation by the tape feeder, the control parameters being set based on a power saving mode out of a predetermined standard mode and a power saving mode; a control unit that controls the tape feeding operation by the tape feeder based on sequence information of the component pick-up operation of the mounting head and the control parameters stored in the storage unit; an operation point extraction unit that extracts an operation point where there is no time margin regarding the tape feeding operation by the tape feeder based on the sequence information; a parameter adjustment unit that changes the value of the control parameter at the operation point extracted by the operation point extraction unit from the value in the power saving mode to the value in the reference mode and stores the updated value in the storage unit; The component mounting apparatus is characterized in that the power saving mode is a mode in which the power consumption required for the tape feeding operation is lower than that in the standard mode.

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