JP2013021207A - Part feeder and feeder adjustment method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a part feeder and an adjustment method of the part feeder capable of performing adjustment works such as a preparation work and status data reference in a satisfactory working condition on each part feeder.SOLUTION: A tape feeder 5 includes: a tape feeder mechanism 20; a feeder control section 19 that controls the tape feeder mechanism 20 and a tape collection mechanism 27; and a rechargeable battery 24 that is charged by being electrically connected when the tape feeder 5 is mounted on an electronic component mounting apparatus 1. With this, when the tape feeder 5 is in an off-line state being dismounted from the electronic component mounting apparatus 1, the drive power can be supplied to the tape feeder mechanism 20, the tape collection mechanism 27 and the feeder control section 19 from the rechargeable battery 24. Adjustment works such as a preparation work and status data reference can be performed in a satisfactory working condition on each tape feeder 5.

Description

  The present invention relates to a part feeder that supplies an electronic component to a take-out position by a component mounting mechanism in an electronic component mounting apparatus, and a feeder adjustment method that performs an adjustment operation prior to execution of component supply in the part feeder.

  In an electronic component mounting apparatus that mounts electronic components on a substrate, a part feeder such as a tape feeder or a bulk feeder is arranged for each component type in a component supply unit (see, for example, Patent Document 1). The prior art shown in this patent document example shows an example of a tape feeder that feeds an electronic component to a pickup position of an electronic component mounting apparatus by pitch-feeding a carrier tape holding an electronic component as a part feeder. The tape feeder is provided with a tape feeding mechanism for pitch-feeding the carrier tape and a tape collecting mechanism for peeling off and collecting the top tape attached to cover the component pocket of the carrier tape.

JP 2003-188581 A

  By the way, when the parts feeder is mounted on the electronic component mounting apparatus and used, various adjustment operations are required as pre-setup operations for preparation for use. For example, in the above-mentioned tape feeder, it is necessary to perform pre-setting work such as cueing work for aligning the leading portion of the carrier tape with a predetermined position and tape setting work for correctly setting the winding position at the take-up position in order to collect the top tape. Become. In addition, parts feeders are becoming more intelligent in terms of control in order to improve the functions, and each part feeder has an individual control function and a data storage function. For example, in the above-mentioned tape feeder, the tape feed speed and feed pitch of the carrier tape can be changed for each part type, and the part number and the number of remaining parts stored at that time for each tape feeder. For example, status data indicating the state of the tape feeder can be stored in a built-in memory. In use, the operator refers to these status data for each tape feeder to individually determine suitability for use.

  However, in the conventional parts feeder including the above-described prior art examples, the parts feeder is mounted on the component supply unit of the electronic component mounting apparatus or the components are supplied for the execution of the above-described pre-setup work and the status data reference. It is necessary to supply power to the parts feeder by individually connecting a dedicated power cable provided in the section to the parts feeder or mounting it in an offline adjustment device. For this reason, these operations cannot be executed in an offline state where the parts feeder is removed from the electronic component mounting apparatus, and adjustment operations such as pre-setup operations and status data reference are performed for each individual parts feeder. Could not be performed in good condition.

  Therefore, the present invention has an object to provide a parts feeder and a method for adjusting a parts feeder that can perform adjustment work such as execution of pre-setup work and reference of status data in a state where each part feeder has good workability. And

  A parts feeder according to the present invention is a parts feeder that is arranged in a component supply unit of an electronic component mounting apparatus and supplies an electronic component to a take-out position by a component mounting mechanism, and a component feeding mechanism for supplying the electronic component and the component feeder A feeder control unit for controlling a component feeding mechanism; and a rechargeable battery that is charged by electrically connecting the parts feeder to an electronic component mounting apparatus, and the parts feeder is an electronic component mounting apparatus In the off-line state where the battery is removed and electrically disconnected, drive power is supplied to the component feeding mechanism and the feeder controller by the rechargeable battery.

  The feeder adjustment method of the present invention is arranged in a component supply unit of an electronic component mounting apparatus, supplies an electronic component to a take-out position by a component mounting mechanism, and supplies the electronic component and the component feeding mechanism. In a parts feeder having a feeder control unit for controlling, a feeder adjustment method for performing adjustment work prior to execution of parts supply, wherein the parts feeder is mounted on an electronic component mounting apparatus and electrically coupled In the off-line state in which the rechargeable battery provided in the parts feeder is charged and in the offline state in which the parts feeder is detached from the electronic component mounting apparatus and electrically disconnected, the component feeding mechanism and Adjustment execution worker that performs the adjustment work by supplying drive power to the feeder controller Including the door.

  According to the present invention, a component feeding mechanism for supplying an electronic component, a feeder control unit for controlling the component feeding mechanism, and a parts feeder are mounted on the electronic component mounting apparatus and electrically connected to each other for charging. The rechargeable battery is used to supply drive power to the component feeding mechanism and the feeder control unit by the rechargeable battery when the parts feeder is disconnected from the electronic component mounting apparatus and is electrically disconnected. In addition, adjustment work such as execution of pre-setup work and reference of status data can be performed with good workability for each individual part feeder.

The top view of the electronic component mounting apparatus by which the tape feeder of one embodiment of this invention is arrange | positioned Sectional drawing of the electronic component mounting apparatus by which the tape feeder of one embodiment of this invention is arrange | positioned Sectional drawing of the electronic component mounting apparatus by which the tape feeder of one embodiment of this invention is arrange | positioned Sectional drawing which shows the structure of the tape feeder of one embodiment of this invention The block diagram which shows the structure of the control system of the tape feeder of one embodiment of this invention Explanatory drawing of the feeder adjustment method in the tape feeder of one embodiment of this invention

  Next, embodiments of the present invention will be described with reference to the drawings. First, the configuration of the electronic component mounting apparatus 1 will be described with reference to FIGS. 1, 2, and 3. In FIG. 1, a substrate transport mechanism 2 is provided in the X direction (substrate transport direction) at the center of a base 1a. The substrate transport mechanism 2 transports the substrate 3 delivered from the upstream device to the downstream side in the X direction, and positions and holds it at a mounting work position by a component mounting mechanism described below.

  On both sides of the substrate transport mechanism 2, component supply units 4 that supply electronic components mounted on the substrate 3 are provided. As shown in FIGS. 2 and 3, the component supply unit 4 is equipped with a carriage 6 on which a plurality of tape feeders 5 are arranged. The tape feeder 5 is detachably disposed on a feeder mounting base 6a provided in the carriage 6, and the carrier tape 8 storing and holding the electronic components is pulled out from the supply reel 7 and pitch-fed, so that these electronic components can be fed. Supply to the parts picking position by the parts mounting mechanism. When switching the board type to be mounted, the plurality of tape feeders 5 can be exchanged in a lump by detaching the carriage 6 from the component supply unit 4. As shown in FIG. 3, an operation panel 18 having a display panel 17 and an operation switch 18 a is disposed adjacent to the component supply unit 4. When operating the electronic component mounting apparatus 1, the operator accesses the component supply unit 4 and the operation panel 18, and performs operations such as drawing out the carriage 6 and replacing the tape feeder 5.

  A Y-axis moving table 10 having a linear drive mechanism is disposed horizontally at one end in the X direction of the base 1a, and the Y-axis moving table 10 is similarly provided with a linear drive mechanism 2. A base X-axis moving table 11 is slidably coupled along the guide rail 10a. A mounting head 13 is mounted on the X-axis moving table 11 so as to be slidable in the X direction. The Y-axis moving table 10 and the X-axis moving table 11 constitute a head moving mechanism 12. By driving the head moving mechanism 12, the mounting head 13 moves horizontally in the X direction and the Y direction, and a component is taken out from the tape feeder 5 of the component supply unit 4 by the suction nozzle 13 a mounted at the lower end, and the substrate is Mounted on the substrate 3 positioned and held by the substrate holding portion of the transport mechanism 2. That is, the head moving mechanism 12 and the mounting head 13 constitute a component mounting mechanism that takes out components from the component supply unit 4 and mounts them on the substrate 3 positioned and held by the substrate transport mechanism 2.

  A substrate recognition camera 14 that moves integrally with the mounting head 13 is provided on the lower surface side of the X-axis moving table 11. As the mounting head 13 moves onto the substrate 3 of the substrate transport mechanism 2, the substrate recognition camera 14 images each substrate 3. A component recognition camera 15 and a nozzle storage unit 16 are disposed between the component supply unit 4 and the substrate transport mechanism 2.

  When the mounting head 13 that has picked up the component from the component supply unit 4 moves above the component recognition camera 15, the component recognition camera 15 images the electronic component held by the mounting head 13. A plurality of types of suction nozzles 13a are stored in the nozzle storage unit 16 corresponding to the component type to be mounted, and the mounting head 13 is made to access the nozzle storage unit 16 to perform a nozzle replacement operation, thereby performing the suction nozzle. 13a can be exchanged according to the part type.

  Then, the imaging result of the board recognition camera 14 is recognized by a recognition processing unit (not shown), whereby the component mounting position on the board 3 is recognized, and the imaging result of the component recognition camera 15 is recognized, whereby the mounting head 13 is recognized. The electronic component held in the state is identified and the position deviation is detected. In the component mounting operation by the component mounting mechanism, the mounting position is corrected in consideration of these recognition results.

  Next, the configuration and function of the tape feeder 5 will be described with reference to FIG. As shown in FIG. 4, the tape feeder 5 has a configuration including a feeder main body 5a constituting the overall shape of the tape feeder 5 and a mounting portion 5b protruding downward from the lower surface of the feeder main body 5a. . In a state where the tape feeder 5 is mounted with the lower surface of the feeder main body 5a along the feeder mounting base 6a, the connector 5d provided on the mounting portion 5b is coupled to the feeder mounting base 6a. Thereby, the tape feeder 5 is fixedly mounted on the carriage 6 of the component supply unit 4, and the tape feeder 5 is electrically connected to the main body control / power supply unit 25 provided in the electronic component mounting apparatus 1. It is possible to supply power to and receive control signals. In the present embodiment, a rechargeable battery 24 that is charged by mounting the tape feeder 5 on the electronic component mounting apparatus 1 and electrically coupling it is built in the mounting portion 5b, and the tape feeder 5 is the feeder. Even when it is detached from the mounting base 6a, it is possible to supply necessary power.

  Inside the feeder main body 5 a, a tape running path 5 c that opens to the upstream end of the feeder main body 5 a in the tape feeding direction is provided so as to communicate with the component suction position by the mounting head 13. The tape running path 5c has a function of guiding the tape feeding of the carrier tape 8 drawn from the supply reel 7 and introduced into the feeder main body 5a from the upstream side of the feeder main body 5a to the component suction position by the mounting head 13. Have.

  The carrier tape 8 is configured such that a base pocket 8a constituting the tape body is provided with a component pocket 8b for storing and holding the electronic component 9 and feed holes 8d for pitch-feeding the carrier tape 8 at a predetermined pitch. A position corresponding to the component pocket 8b on the lower surface of the base tape 8a is an embossed portion 8c protruding downward. The upper surface of the base tape 8a is sealed with a top tape 8e so as to cover the component pocket 8b in order to prevent the electronic component 9 from dropping from the component pocket 8b.

  The feeder main body 5a incorporates a tape feeding mechanism 20 that is a component feeding mechanism for pitch-feeding the carrier tape 8 for component feeding. The tape feeding mechanism 20 includes a sprocket 22 disposed at the downstream end of the feeder main body 5a in the tape feeding direction, and a motor 21 that rotationally drives the sprocket 22. The rotation operation of the sprocket 22 is controlled by a feeder control unit 19 built in the tape feeder 5. By driving the motor 21 with a feed pin (not shown) provided on the outer periphery of the sprocket 22 engaged with the feed hole 8d of the carrier tape 8, the carrier tape 8 is pitch fed along the tape running path 5c. Is done.

  The front side of the sprocket 22 is a component suction position where the electronic component 9 in the component pocket 8b is sucked and taken out by the suction nozzle 13a of the mounting head 13. A pressing member 23 is disposed on the upper surface side of the feeder main body 5a in the vicinity of the sprocket 22, and the pressing member 23 is provided with a suction opening 23a corresponding to a component suction position by the suction nozzle 13a. The upstream end of the suction opening 23a is a top tape peeling portion 23b for peeling the top tape 8e.

  In the process in which the carrier tape 8 travels below the pressing member 23, the top tape 8e is drawn around the top tape peeling portion 23b and drawn to the upstream side, thereby the top tape 8e at the tape peeling position upstream of the component suction position. Is peeled off from the base tape 8a and folded back upstream. The folded top tape 8e is fed into the tape collecting unit 28 provided on the upstream side of the feeder main body 5a by the tape collecting mechanism 27 in a state where the slack is removed by being guided by the guide mechanism 26. As a result, the electronic component 9 in the component pocket 8b is exposed upward in the suction opening 23a, and can be taken out by the suction nozzle 13a. A display unit 29 is disposed on the upper surface of the tape collecting unit 28. A plurality of display lamps 29a (see FIG. 6) are arranged on the upper surface of the display unit 29, and predetermined notification is performed by turning on the display lamps 29a. This notification includes notification of abnormal operation and status of each part of the tape feeder 5.

  In a state where the tape feeder 5 is mounted on the feeder mounting base 6a, the electric circuit of the tape feeder 5 is connected to the main body control / power supply unit 25 via the connector 5d as described above. That is, the feeder control unit 19 and the main body control / power supply unit 25 are connected to each other via an electric wiring 30a including a power line / signal line, and power is supplied from the main body control / power supply unit 25 to the feeder control unit 19. The control signal between the feeder control unit 19 and the main body control / power supply unit 25 can be exchanged. At the same time, the rechargeable battery 24 built in the mounting unit 5b is connected to the main body control / power supply unit 25, and the rechargeable battery 24 can be charged. The rechargeable battery 24 is connected to the feeder control unit 19 via an electrical wiring 30c provided in the tape feeder 5. When the connector 5d is disconnected, the rechargeable battery 24 to the feeder control unit 19 are connected. Is supplied with power.

  Next, the configuration of the control system in the tape feeder 5 will be described with reference to FIG. The feeder control unit 19 includes a CPU 31, a memory 32, a display processing unit 33, a drive unit 34, a communication unit 35, and a power supply switching unit 36. The CPU 31 is an arithmetic processing unit, and controls the operation of each unit of the tape feeder 5 in accordance with a control command from the main body control / power supply unit 25 based on a program and data stored in the memory 32. In addition to the operation program of the tape feeder 5, the memory 32 stores tape feed data 32a and status data 32b.

  The tape feed data 32a is data indicating operation conditions such as a feed amount and a feed speed for feeding the carrier tape 8 to be supplied for each part type. The status data 32b is data indicating the state of each part such as the presence / absence of a carrier tape and the number of remaining parts in the tape feeder 5. By referring to this data, it is determined whether or not the tape feeder 5 can be used. . The display processing unit 33 performs processing for displaying the status data 32 b on the display unit 29. The display processing unit 33 and the display unit 29 constitute status display means for displaying the state of the tape feeder 5 by the feeder control unit 19.

  The drive unit 34 is controlled by the CPU 31 to drive the tape feeding mechanism 20 and the tape collecting mechanism 27. The communication unit 35 exchanges signals with the main body control / power supply unit 25 connected via the electrical wiring 30a and the connector 5d. The power supply switching unit 36 performs a process of switching the supply source of power necessary for the operation of the tape feeder 5. That is, power is supplied from the main body control / power supply unit 25 in a state where the power supply switching unit 36 is connected to the main body control / power supply unit 25 via the electrical wiring 30a and the connector 5d. Further, when the tape feeder 5 is removed from the electronic component mounting apparatus 1 and is disconnected from the connector 5d and is electrically disconnected, power is supplied from the rechargeable battery 24 via the electric wiring 30c. In response, drive power is supplied to the tape feeding mechanism 20, the tape collecting mechanism 27, the display unit 29, and the feeder control unit 19. As shown in FIG. 4, in a state where the connector 5 d is connected, the main body control / power supply unit 25 supplies charging power via the electric wiring 30 b according to the charging state of the rechargeable battery 24. Supply against.

  Next, the electronic component mounting apparatus 1 is arranged in the component supply unit 4 to supply the electronic component to the take-out position by the component mounting mechanism, and to control the tape feeding mechanism 20 for supplying the electronic component and the tape feeding mechanism 20. In the tape feeder 5 as a parts feeder provided with the feeder control unit 19 for the above, a feeder adjustment method for performing an adjustment operation prior to the execution of component supply will be described.

  In the tape feeder 5 shown in the present embodiment, the rechargeable battery 24 is built in as described above, and in a work execution state in which the tape feeder 5 is mounted on the electronic component mounting apparatus 1 and performs normal operation, the tape feeder 5 is electrically coupled to the main body control / power supply unit 25 of the electronic component mounting apparatus 1, and the rechargeable battery 24 provided in the tape feeder 5 is charged (charging process). Then, the work execution is interrupted by switching the product type, etc., and the tape feeder 5 is once removed from the component supply unit 4 of the electronic component mounting apparatus 1 and electrically disconnected to be in an offline state. When mounting on the mounting apparatus 1, an adjustment operation of the tape feeder 5 is performed as a preparatory operation prior to the execution of component supply (adjustment execution step).

  In this adjustment execution step, driving power is supplied by the rechargeable battery 24 to the display unit 29 that displays the state of the tape feeder 5 by the tape feeding mechanism 20, the tape collecting mechanism 27, and the feeder control unit 19. That is, as shown in FIG. 6, the carrier tape 8 drawn from the supply reel 7 (FIG. 2) is introduced into the tape feeder 5 (arrow a), guided along the tape running path 5c, and the leading end is tape fed. A cueing operation for projecting the base tape 8a forward from below the pressing member 23 while engaging the mechanism 20 is performed. At the same time, the top tape 8e peeled off from the base tape 8a is pulled out from the suction opening 23a, folded back (arrow b), and sent through the guide mechanism 26 to the tape recovery unit 28 by the tape recovery mechanism 27. Do work. Further, if necessary, status data 32b indicating the status of the tape feeder 5 is displayed by turning on the display lamp 29a of the display unit 29, and necessary items are confirmed.

  As a result, the pre-setup work that can be performed only when the tape feeder 5 is conventionally attached to the feeder attachment base 6a of the component supply unit 4 or connected to a dedicated power supply cable provided in the carriage 6 is possible. It is possible to perform feeder adjustment work as a complete offline state.

  As described above, in the parts feeder and the feeder adjustment method shown in the present embodiment, the tape feeding mechanism 20 for supplying electronic components, the tape collecting mechanism 27, and the feeder controller 19 for controlling them, A rechargeable battery 24 that is charged by attaching the tape feeder 5 to the electronic component mounting apparatus 1 and electrically coupling the tape feeder 5 is provided. As a result, the tape feeder 5 and the tape collecting mechanism 27 are controlled by the rechargeable battery 24 and the feeder control for controlling them when the tape feeder 5 is off-line when the tape feeder 5 is detached from the electronic component mounting apparatus 1 and electrically disconnected. Driving power can be supplied to the unit 19, and adjustment work such as execution of pre-setup work and reference of status data can be performed for each tape feeder 5 with good workability.

  In this embodiment, an example is shown in which a cart 6 in which a tape feeder 5 is arranged is mounted on the component supply unit 4. However, the component supply unit 4 can be detached from the cart 6 such as a bulk feeder or a stick feeder. The present invention can be applied to parts other than the tape feeder 5 as long as the parts feeder is in any form.

  The parts feeder and the feeder adjustment method of the present invention have an effect that adjustment work such as execution of pre-setup work and reference of status data can be performed with good workability for each individual part feeder. This is useful in the field of supplying components in a mounting apparatus.

DESCRIPTION OF SYMBOLS 1 Electronic component mounting apparatus 2 Board | substrate conveyance mechanism 3 Board | substrate 4 Component supply part 5 Tape feeder 6 Cart 8 Carrier tape 13 Mounting head 13a Adsorption nozzle 20 Tape feed mechanism 27 Tape collection | recovery mechanism 29 Display part

Claims (4)

A parts feeder that is arranged in a component supply unit of an electronic component mounting apparatus and supplies an electronic component to a take-out position by a component mounting mechanism,
A component feeding mechanism for supplying the electronic component and a feeder control unit for controlling the component feeding mechanism;
A rechargeable battery that is charged by mounting and electrically coupling the parts feeder to an electronic component mounting apparatus;
In the offline state where the parts feeder is detached from the electronic component mounting apparatus and electrically disconnected, driving power is supplied to the parts feeding mechanism and the feeder controller by the rechargeable battery. Parts feeder. The parts feeder is a tape feeder that supplies the electronic parts by pitch feeding the carrier tape 8 that stores and holds the electronic parts.
In the offline state, the rechargeable battery is displayed on the tape feeding mechanism for performing the pitch feeding, the tape collecting mechanism for collecting the top tape peeled off from the carrier tape, and the status display means for displaying the state of the tape feeder by the feeder control unit. The parts feeder according to claim 1, wherein driving power is supplied by. A component feed mechanism for supplying the electronic component to the take-out position by the component mounting mechanism, and supplying the electronic component, and a feeder control unit for controlling the component feed mechanism; In a parts feeder equipped with a feeder adjustment method for performing adjustment work prior to execution of parts supply,
A charging step of charging a rechargeable battery provided in the parts feeder by attaching the parts feeder to an electronic component mounting apparatus and electrically coupling the parts feeder;
Adjustment in which the adjustment work is performed by supplying driving power to the component feeding mechanism and the feeder control unit by the rechargeable battery in an offline state where the parts feeder is detached from the electronic component mounting apparatus and electrically disconnected. A feeder adjustment method comprising: an execution step. The parts feeder is a tape feeder that supplies the electronic parts by pitch feeding the carrier tape 8 that stores and holds the electronic parts.
In the adjustment execution step, the tape feed mechanism that performs the pitch feed, the tape collection mechanism that collects the top tape peeled off from the carrier tape, the status display means that displays the state of the tape feeder by the feeder control unit, and the rechargeable type. 4. The feeder adjustment method according to claim 3, wherein driving power is supplied by a battery.

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