JP2523624B2 - Electronic component supply method and device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component that supplies electronic components one by one when automatically mounting the electronic components stored in a stake, which is a general packing style of electronic components. The present invention relates to a supply device.

2. Description of the Related Art In the field of surface mounting of electronic parts, the growth has been remarkable in recent years due to high mounting density and cost advantage. In order to reduce the mounting cost, it is required to reduce the mounting tact time, and at the same time, a mounting machine capable of handling a wide variety of component packaging is required. Among them, surface mounting of components housed in a stick has been conventionally supplied by the following method.

A conventional electronic component supply unit will be described below with reference to the drawings. FIG. 8 is a front view of a conventional electronic component supply unit. The electronic component 102 stored in the stick 101 is an inclined chute.
It flows through 103 and reaches the tip portion 104. At the tip portion 104, a stopper 105 prevents the electronic component 102 from falling. 106
Is a holding part, and can be moved left and right in the figure by the sliding guide 107 and the driving part 108. When holding the electronic component 102, the holding unit 106 moves to a position B in the figure. When the roller 108 follows the cam 109, the holding portion 106 swings around the fulcrum 110 and matches the inclination of the inclined chute 103. At this time, the stopper 105 is opened at the same time and holds one electronic component at the leading edge on the inclined chute 103. The holding unit 106 moves along the sliding guide 107 to point A in the figure, and supplies the electronic component 102 to the automatic mounting machine. 111 is a pedestal for the entire supply device.

Problems to be Solved by the Invention In the above-mentioned configuration, since the exclusive drive unit is provided in the supply device, there are restrictions on downsizing and cost reduction of the device.
Also, since the supply device is attached to a dedicated stand,
For example, when considering the mixed mounting with the taping type supply unit, since a dedicated mount is required for each, the mixed mounting in a limited space of the mounting machine has a large restriction on the number of stations that can be prepared. Further, since it has a dedicated drive source, the control for controlling the drive is also dedicated, so that it cannot be mixed with other supply forms.

Means for Solving the Problems In order to solve the above problems, the electronic component supply device of the present invention has an electronic component sent from an inclined chute for holding an electronic component provided at the tip of the inclined chute. To department 1
In an electronic component supply device for separately supplying individual components, a swinging unit that swings the component holding unit that holds electronic components to a horizontal position, and popping out of the electronic components held in the swinging component holding unit by closing A shutter that prevents the electronic component from being pulled out and that allows the electronic component to be taken out from above is provided in the component holding portion, and the swinging portion and the shutter are separately provided outside the electronic component supply device. It is configured to be driven by the first drive unit and the second drive unit.

With the electronic component supply device of the present invention having the above-described configuration, in the stick component supply device, each drive unit is provided separately from the component supply device main body,
Since each part other than the drive part can be integrated, it can be detached from the electronic component mounter, so that the mounting base of the taping component supply device can be used and the drive part is the same as that for the taping component supply device. Can be used, and when mounted on a mounting machine, it is possible to freely combine component supply devices having different supply forms. further,
Since the same drive control unit can be used, it is possible to provide an electronic component supply device that is inexpensive and capable of handling.

Example Hereinafter, an example of the present invention will be described with reference to the drawings. FIG. 3 is an overall view of the electronic component mounter. Reference numeral 1 denotes a head unit that adsorbs electronic components and mounts them on the printed circuit board 2. 3, 4 and 5 are supply devices for electronic components, 3 is a supply device for electronic components stored in a stick, 4 is a supply device for electronic components taped, and 5 is a supply device for electronic components stored in a tray. Is. The present embodiment relates to a supply device for electronic components housed in a stick. FIG. 4A is an overall view of the stick 6. FIG. 4B is a sectional view of the electronic component 7 stored in the stick 6. The electronic components 7 are arranged in a line in the stick 6.

FIG. 1 is a front view of an embodiment of the present invention. Reference numeral 6 denotes a stick, which houses the electronic components 7 in an aligned manner and is held by a stick holder 8. Reference numeral 9 denotes an inclined chute that guides the electronic component 7 flowing out from the stick 6 and causes the electronic component 7 to flow to the chute tip 10 by its own weight. FIG. 2 shows a sectional view of the inclined chute. Reference numeral 11 is a cross section of the inclined chute, and 7 is an electronic component. The chute tip portion 10 has a separating portion 12 that separates only the most advanced electronic component among the aligned electronic components, and a component holding portion 13 that holds the separated electronic component. FIG. 5 is a detailed view of the separating portion at the tip of the chute. Reference numeral 14 is a lever, which performs a swinging motion around a fulcrum 15. The separating claw 16 is fixed to the lever 14, and is swung to enter between the most advanced electronic component 17 and the second electronic component 18 existing in the chute tip 10 to separate the companion components. As a result, only the most advanced electronic component 17 is allowed to flow to the next process, and at the same time, the second electronic component 18 and the subsequent components are held in the chute. FIG. 6 is a detailed view of the component holder.
Reference numeral 13 denotes a component holder, which holds the separated leading edge electronic component 17, as shown in FIG. The component holder 13
It is fixed to a rocking portion 20 that rocks around a fulcrum 19. The swinging part 20 swings between the inclined position 21 and the horizontal position 22. The drive source for this swing is the first drive unit 23, which drives the lever 24 when it makes a stroke from A to B in the drawing. The pin 25 fixed to the rocking part 20 is guided by the long hole 26 provided in the lever 24 and rocks around the fulcrum 19, whereby the rocking part 20 is driven. With this configuration, the swing stroke of the swing portion 20 can be set larger than the limited stroke of the first drive portion 23.

The component holder 13 is provided with a shutter 27,
The electronic component 7 is prevented from popping out when the component holder 13 swings from the inclined position to the horizontal position. When the electronic component mounter picks up the electronic component 7, the shutter 27
When the second drive unit 30 drives the lever 28 holding the, via the link 29, the shutter 27 moves for a certain stroke and moves from the upper surface of the electronic component 7.

By the way, in the taping method, which is the most general form of supplying components to the automatic mounting machine, the first drive unit for feeding the taped components by one pitch and the back side adhesive tape of the taping components supplied by 32 mm paper tape And a second drive unit that drives the peeling operation. The timing chart of these two drive sources in the automatic mounting machine is as shown in FIG. 7 when the movement of the suction head when the mounting machine picks up the supplied components is picked up.

Here, as shown in FIG. 6, the first drive unit 23 and the second drive unit 30 of the component holding unit according to the embodiment of the present invention are separately installed separately from the electronic component supply apparatus main body. Since it is installed in each part, it becomes possible to integrate each part other than the drive part,
The positioning method using the pin and the fixing method using the clamper shown in FIG. 1, which are the conventional mounting methods for the taping component supply device, can be used as they are, and the mounting base can be used for both the stick component supply device and the taping component supply device.

Further, it is possible to use the same drive unit as the two drive units for feeding the component pitch and peeling the back tape of the taping component supply device.

Further, in response to the movement of the suction head, the first drive unit 23, that is, the swing of the component holding unit 13 of the stick component supply device and the component pitch feed drive of the taping component supply device, and the second drive unit 30, that is, Since the opening / closing drive of the shutter 27 of the stick component supply device and the back tape peeling drive can be driven at exactly the same timing, the drive control section is also completely the same.

Effects of the Invention As described above, in the electronic component supply device of the present invention, in the stick component supply device, each drive unit is provided separately from the component supply device main body so that each unit other than the drive unit is integrated. Since it can be detached from the electronic component mounter, therefore, it is possible to use the mounting base of the taping component supply device, and it is possible to use the same drive unit as that for the taping component supply device,
When mounted on a mounting machine, it is possible to freely combine component supply devices having different supply forms. Furthermore, since the same drive control unit can be used, it is possible to provide an electronic component supply device that is inexpensive and has flexibility.

[Brief description of drawings]

1 is a front view of an electronic component supply apparatus according to an embodiment of the present invention, FIG. 2 is a sectional view of an inclined chute, FIG. 3 is a perspective view of an electronic component mounter, and FIG. 4A is a perspective view of a stick. ,
FIG. 4A is a perspective view of the stick, FIG. 4B is a sectional view of the same,
FIG. 5 is a front view of the separation unit, FIG. 6 is a front view of the component holding unit, FIG. 7 is a timing chart, and FIG. 8 is a front view of a conventional electronic component supply unit. 6 ... Stick, 7 ... Electronic component, 9 ... Inclined chute, 10 ... Chute tip part, 12 ... Separation part, 13 ... Component holding part, 20 ... Oscillating part, 23 ... First Drive unit, 27 ... Shutter, 30 ... Second drive unit.

Claims (2)

(57) [Claims] 1. An electronic component supply device for separately supplying electronic components sent from an inclined chute to a component holding part provided at the tip of the inclined chute, wherein the component holding part holding the electronic component is provided. A swing part that swings to a horizontal position and a shutter that closes to prevent the electronic parts held in the swinging part holding part from popping out and that opens to allow the electronic parts to be taken out from above. The swinging portion and the shutter are provided in the component holding portion, and are configured to be driven by a first driving portion and a second driving portion which are separately provided outside the electronic component supply device. A characteristic electronic component supply device. 2. A first drive unit drives the tape feeding operation of an electronic component supply device that supplies electronic components taped to an adhesive tape one by one to a predetermined position, and a second drive unit taps. The electronic component supply device according to claim 1, wherein the peeling operation of the adhesive tape on the back surface of the electronic component is performed.