JP2571635Y2 - Tray parts supply device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a tray component supply device that picks up components arranged on a tray and supplies the components to a component mounting device.

[Related Art] Recently, a component supply device that picks up and transports electronic components arranged in a tray and supplies the electronic components to a component mounting device has been developed. In this type of component supply device, a transport table electronic component provided on one transport line is transported and supplied to a component mounting device.

[Problem to be Solved by the Invention] By the way, when an electronic component supplied from a component supply device is picked up by a component mounting device, a pick-up defect may occur due to a shape defect, a suction error or the like of the electronic component.

In this case, the component mounting device must wait until the electronic component is supplied again from the component supply device.
In the conventional component supply device, since there is only one transfer table provided on one transfer line, there is an inconvenience that the transfer takes time and the productivity is reduced.

The present invention has been made in view of the above circumstances, and provides a tray component supply device that can supply a component immediately after pickup of supplied electronic components even if a pickup failure occurs, thereby shortening a standby time. With the goal.

Means for Solving the Problems In order to solve the above problems, the present invention is an electronic component supply device for supplying electronic components arranged on a tray to an electronic component mounting machine via a transport unit, A tray head for picking up the electronic components arranged on a tray,
And a transport unit for transporting the electronic components picked up by the tray head, wherein the transport unit has a transport table for transporting the electronic components on a plurality of linear transport lines, for each of the transport lines. A mounting head that is provided one by one and picks up the electronic component transported by any one of the transport tables provided on the plurality of transport lines; and a pickup of the electronic component by the mounting head Means for determining whether or not the sheet is defective or whether or not the part shape is defective; and when the determination means determines that the pickup is defective or the part shape is defective, the transfer table different from the transfer table on the transfer line is used. Control means for transporting electronic components of the same type by a transport table on the line.

[Operation] The tray component supply device of the present invention picks up electronic components arranged on a tray by a toilet head, and the picked up electronic components are transferred by a transfer table provided on a plurality of linear transfer lines. You. Then, the mounting head picks up the electronic component transported by any one of the plurality of transport tables, and the determining means determines whether or not the component pickup by the mounting head is defective or whether the component shape is defective. When the determination unit determines that the pickup is defective or the component shape is defective, the same type of transport table provided on a different transport line from the transport table provided on the transport line is used. Transport electronic components.

Therefore, when the supplied electronic component is picked up, even if a pick-up failure occurs, the component can be immediately supplied and the standby time can be reduced.

Embodiment An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a circuit configuration of a component mounting device and a component supply device to which the present invention is applied. Second
The figure is a plan view showing the overall configuration of the component mounting device and the component supply device.

In FIG. 1, an on-board control unit 1 controls each unit based on a built-in control program. A program storage unit 2 that stores a component mounting position on a board is connected to the mounting machine-side control unit 1.

The program storage unit 2 is configured by a memory such as a magnetic disk and a RAM.

The camera 3 includes, for example, a CCD image sensor, and captures an image of a component picked up by a mounting head 5 described later, and sends an image signal of the captured image to the image recognition unit 4.

The image recognition unit 4 performs image recognition of the shape of the component based on the image signal transmitted from the camera 3, and transmits the image recognition data to the mounting device-side control unit 1.

The mounting head 5 includes, for example, a suction nozzle for picking up components by vacuum pressure, and mounts the picked-up components on a wiring board (not shown).

The head drive unit 6 moves the mounting head 5 based on a control signal output from the mounting machine side control unit 1.

The tray unit-side control unit 7 controls each unit based on a built-in control program, and is connected to the on-board unit-side control unit 1 via a communication line 8.

The toilet head 9 is provided with a suction nozzle for picking up parts by, for example, vacuum pressure, and picks up parts from a tray 17 described later with reference to FIG.

The head drive unit 10 moves the toilet head 9 based on a control signal output from the toilet unit-side control unit 7.

The first transport mechanism 11 includes a first transport line 21 described later with reference to FIG. The first transport drive unit 12 drives the first transport mechanism 11 based on a control signal output from the toilet unit-side control unit 7.

The second transport mechanism 13 includes a second transport line 22 described later with reference to FIG. The second transport drive unit 14 drives the second transport mechanism 13 based on a control signal output from the toilet unit control unit 7.

2, the supply unit 15 includes a stock unit 16 and supplies a plurality of electronic components 27 supported on a tray 17 to a mounting unit 25. The feeder 15 is provided with an orthogonal coordinate system robot 18 having a toilet head 9 (not shown in FIG. 2) for picking up an electronic component 27. Stock Department 16
A plurality of trays 17 are stacked and stored, and a tray pull-out mechanism 19 is provided.
Is pulled out one by one.

The transport unit 20 includes a first transport line 21 and a second transport line 22 configured by, for example, a belt conveyor, and transports the electronic components 27 picked up from the tray 17 by the orthogonal coordinate system robot 18 to the mounting machine 25. 1st transfer line
A transfer table 23 is attached to each of the first transfer line 21 and the second transfer line 22, and suction holes 24 provided in the transfer table 23 are provided.
To hold and transport the electronic component 27.

The mounting machine 25 picks up the electronic component 27 conveyed by the conveyance unit 20 by the mounting head 5 (not shown in FIG. 2) and mounts it on a wiring board (not shown). Section 20 is supported.

Next, the operation of the above embodiment will be described with reference to FIG. FIG. 3 is a flow chart showing the operation when the electronic component 27 conveyed from the feeder 15 is mounted on the wiring board by the mounting machine 25.

First, in step S1, the Cartesian robot of the feeder 15 is used.
Electronic component 27 picked up from tray 17 by 18
Is transported to the loading machine 25 by a transport line of the transport unit 20, for example, the first transport line 21. Next, in the mounting machine 25, the electronic components 27 are picked up by the mounting head 5 by vacuum suction.
A suction error is checked based on the vacuum suction state, and the electronic component 27 is photographed by the camera 3 to check the suction state. An image signal captured by the camera 3 is sent to an image recognition unit 4 where the image is recognized.

Next, in step S2, it is determined whether or not there is a pickup failure such as a defective shape of the electronic component or a suction error. In step S2, if YES, that is, if it is determined that there is a suction error, the process proceeds to the next step S3, and if NO, the step is performed.
Proceed to S5.

In step S3, the loading machine side control unit 1 executes another transfer line, that is, in this case, another transfer line (second transfer line) based on the program stored in the program storage unit 2.
In step 22), it is determined whether the same part is being transported. If YES is determined in the step S3, the process returns to the step S1, and the electronic component 27 picked up from the tray 17 is transported to the loading machine 25 via the second transport line 22, as described above. Thus, the electronic component 27 is immediately transferred to the mounting machine 25.

If NO is determined in step S3, the process proceeds to step S4. In step S4, the same electronic component 27 is picked up from the tray 17, and waits until it is supplied to the mounting machine 25 by the first transport line 21, and the electronic component After 27 is supplied, the process returns to step S1.

As described above, in step S1, the electronic component 27 picked up from the tray 17 is transported to the loading machine 25 by the first transport line 21 of the transport unit 20, and the electronic component 27 is picked up by the loading head 5 of the loading machine 25. Subsequently, the suction state is checked, and if it is determined in step S2 that there is no suction error, the process proceeds to step S5.

In step S5, the electronic component 27 picked up
Is mounted at a predetermined position on the wiring board, and the processing in FIG. 3 is completed.

As described above, since the transport unit 20 includes a plurality of transport lines, for example, the first transport line 21 and the second transport line 22, when the pickup failure occurs due to a defective shape of the electronic component, a suction error or the like. Also, the electronic component 27 of the same component can be immediately supplied to the component mounting apparatus using another transport line.

The number of transport lines is not limited to two as in the above embodiment, but may be three or more.

[Effects of the Invention] As described above in detail, according to the invention, when a supplied electronic component is picked up, even if a pickup failure occurs, the component can be immediately supplied to reduce the standby time. Can be provided.

[Brief description of the drawings]

1 is a block diagram showing a circuit configuration, FIG. 2 is a plan view showing an overall configuration, and FIG. 3 is a flowchart showing an operation. DESCRIPTION OF SYMBOLS 1 ... Mounted machine side control part, 2 ... Program storage part, 3 ... Camera, 4 ... Image recognition part, 5 ... Mounted head, 6 ... Head drive part, 7 ... Toilet unit side control part, 8 ... Communication line, 9
... toilet head, 10 ... head drive unit, 11 ... first transport mechanism, 12 ... first transport drive unit, 13 ... second transport mechanism, 14 ... second
Transport drive unit.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI B65G 47/91 B65G 47/91 A H05K 13/02 H05K 13/02 E

Claims (1)

(57) [Scope of request for utility model registration] 1. An electronic component supply device for supplying electronic components arranged on a tray to an electronic component mounting machine via a transport unit, comprising: a tray head for picking up the electronic components arranged on the tray; And a transport unit that transports the electronic components picked up by the tray head. The transport unit includes a transport table that transports the electronic components on a plurality of linear transport lines, for each of the transport lines. A mounting head that is provided one by one and picks up the electronic component transported by one of the transport tables provided on the plurality of transport lines; and a pickup of the electronic component by the mounting head And a determining means for determining whether or not the component is defective or the component shape is defective. Tray component supply device comprising a control means for conveying the same type of electronic parts by the transport table on another conveyor line to the transport table on the transport line when it is determined that, by comprising a.