JPH05218687A - Electronic circuit board carrier - Google Patents

Abstract

(57) [Abstract] [Purpose] In an electronic circuit board assembly or inspection line, an electronic circuit board transfer device for in-line transfer to an XY table and positioning is used to reduce the size and operation of the device. It is an object of the present invention to provide a carrier device for an electronic circuit board, which enables stable and highly reliable carrier / positioning. [Structure] When the substrate is carried into the XY table 31, the first protrusion 38 presses the rear end portion of the substrate to move the substrate in the X-Y direction.
When ejecting from the Y table 31, the second protrusion 39
Presses the rear edge of the substrate.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic circuit board transfer device for in-line transfer and positioning on an XY table in a line for assembling and inspecting electronic circuit boards.

[0002]

2. Description of the Related Art FIG. 2 is a side view illustrating a first example of a conventional electronic circuit board carrying device, and FIG. 3 is a plan view illustrating a second example.

First, a first conventional example will be described with reference to FIG. In the figure, 1 is an entrance conveyor, 2 is an XY table, and 3 is an exit conveyor. Also, XY table 2
Is provided with a stopper 4 that can come into contact with the front end surface of the transported electronic circuit board. A conveyor 5 is provided on the upper surface of the XY table 2.

Next, the operation of the above configuration will be described. First, the electronic circuit board is conveyed in the direction of the XY table 2 by the entrance conveyor 1 and transferred to the XY table 2. At this time, the conveyor 5 of the XY table 2 is also being driven,
The stopper 4 projects above the carrying surface of the XY table 2.

The electronic circuit board is the XY table 2.
The top surface of the electronic circuit board abuts on the stopper 43 by moving up. When the electronic circuit board comes into contact with the stopper 4, the positioning pin fits into the reference hole formed in the electronic circuit board,
Positioning is performed.

When the positioning is completed, the XY table 2
Move in the horizontal plane (X, Y plane) to mount the chip and inspect for defective solder. When these mounts, inspections, etc. are completed, the conveyor 5 of the XY table 2 is activated and the electronic circuit board is discharged to the exit conveyor 3.

Next, a second conventional example will be described with reference to FIG. In the figure, 11 is an entrance conveyor and 12 is an exit conveyor. An XY table 13 is arranged between the entrance conveyor 11 and the exit conveyor 12.

Next, the XY table 13 will be described.
Reference numerals 14 and 15 are guides that are arranged in parallel with each other in the direction of carrying the electronic circuit board. These guides 14 and 15 have a first table 16 driven by a driving device (not shown).
Is slidably provided. Furthermore, on the slide table 16, guides 17 and 18 provided in a direction substantially orthogonal to the guides 13 and 14 are juxtaposed. A second table 19 driven by a driving device (not shown) is slidably provided on these guides 17, 18. The area surrounded by the guides 14 and 15 and the guides 17 and 18 becomes the work area of the XY table.

Reference numeral 20 denotes an introduction arm which is provided near the entrance conveyor 11 and which sends the electronic circuit board from the entrance conveyor 11 to the second table 19 of the XY table 13 which is in the delivery state. ..

Reference numeral 21 is a discharge arm which is provided near the exit conveyor 12 and transfers the electronic circuit board from the second table 19 of the XY table 13 to the exit conveyor 12. Next, the operation of the above configuration will be described. The state shown in FIG. 3 is a state in which the second table of the XY table 13 is located near the entrance conveyor 11. In this state, when the electronic circuit board is conveyed by the entrance conveyor 11, the introducing arm 20 operates and the rear end portion of the electronic circuit board is pressed, and the electronic circuit board is the XY table 1.
3 is moved until it comes into contact with a stopper (not shown) provided on the second table 19.

When the electronic circuit board is transferred onto the second table 19, positioning pins (not shown) are fitted and positioning is performed. The first table 16 is the guide 1
4 and 15, the second table 19 is moved by being guided by the guides 17 and 18, whereby the second table 19 on which the electronic circuit board is placed is moved to a desired position, Chip mounting and inspection of defective solder are performed.

When this work is completed, the second table 1
9 moves to the vicinity of the exit conveyor 12. Then, the ejection arm 21 operates to press the rear end of the electronic circuit board,
The electronic circuit board is transferred to the exit conveyor 12.

[0013]

However, the conventional first and second electronic circuit board transporting devices having the above-mentioned structure have the following problems.

In the first conventional example, the XY table 2
Since the conveyor 5 is provided on the upper side, the structure of the XY table 2 becomes complicated and large, and the equipment becomes large. In the second conventional example, in order to introduce and eject the electronic circuit board from the second table 19 of the XY table 13, two actuators, an introducing arm 20 and an ejecting arm 21, are required.

In the first and second conventional examples, the positions of the positioning pin and the stopper on the driven side must be changed every time the board length of the electronic circuit board (length in the carrying direction of the board) changes.

The present invention has been made in view of the above-mentioned problems, and an object thereof is to provide an electronic circuit board carrying device which is compact in size, stable in operation, and highly reliable carrying / positioning. Especially.

[0017]

According to the present invention for solving the above-mentioned problems, there is provided an XY table movable on a substantially horizontal plane, and when the XY table is located at a delivery place, the X-Y table is provided.
Disposed adjacent to one side of the Y table,
A first conveyor that conveys an electronic circuit board and is movable in a direction orthogonal to the conveyance plane, and when the XY table is located at a delivery place, it is adjacent to the other side of the XY table. And a second conveyor for transporting the electronic circuit board, and a side portion of the first table movably provided in a direction orthogonal to the transport plane so as to be able to approach / separate from the first table. An oscillating frame provided,
A guide provided on the swing end of the swing frame along the transport direction of the first conveyor, a first slider movably provided on the guide, and the first slider. A first protrusion provided on the first conveyor side, and a second protrusion on the second conveyor side in which the interval is set to be larger than the length of the electronic circuit board in the transport direction with respect to the first protrusion. A transfer arm having two protrusions, and a movable arm provided on the guide, the first slider and the first guide.
A second slider disposed between the second slider and an end of the transfer arm on the conveyor side, and a slide arm provided on the second slider and having a tip extending near the second protrusion of the transfer arm. A reference clamp arm provided near the transfer position of the XY table and engageable with a first reference hole of an electronic circuit board set on the XY table; and the XY table. The driven clamp arm is provided in the vicinity of the transfer position and is engageable with the second reference hole of the electronic circuit board set on the XY table.

[0018]

In the electronic circuit board carrying device of the present invention, when the electronic circuit board is carried by the first conveyor, the first conveyor and the swing frame are lowered.

Next, the swing frame swings toward the first conveyor, the first protrusion of the transfer arm moves toward the rear end of the electronic circuit board, and the second protrusion moves toward the front end of the electronic circuit board. Move to each department. At this time, the slide arm also swings toward the front end of the electronic circuit board.

Next, the first slider moves in the second conveyor direction, and the first protrusion presses the rear end of the electronic circuit board to move the electronic circuit board in the XY table direction. ..

When the electronic circuit board moves in the X-Y table direction, the tip of the electronic circuit board presses the slide arm, and the second slider also moves together with the first slider.
When the first slider moves to the stroke end, the slide arm comes into contact with the driven clamp arm,
The slide arm also stops.

Next, the reference clamp arm and the driven clamp arm are engaged with the first reference hole and the second reference hole of the electronic circuit board, and the clamping of the electronic circuit board on the XY table is completed. The swing frame returns to the original position, and the first slider also returns to the original position.

Then, the first conveyor and the swing frame are raised, the introduction of the XY table of the electronic circuit board is completed, the XY table is moved in the XY directions, and the chip on the electronic circuit board is moved. The work such as mounting and detecting defective solder is performed.

Next, when such work is completed, the first and second conveyors are lowered again, and the X-axis of the swing frame is restarted.
-Y The table is oscillated. Then, the reference clamp arm and the driven clamp arm are separated from the first and second reference holes of the electronic circuit board, and the electronic circuit board is unclamped.

Next, the swing frame swings, and the second protrusion moves to the vicinity of the rear end of the electronic circuit board. Next, the first slider moves in the XY table direction, the second protrusion presses the rear end of the electronic circuit board, and the electronic circuit board moves in the second conveyor direction.

When the first slider has moved to the stroke end, the electronic circuit board is transferred to the second conveyor, the swing frame then returns to its original position, and the second protrusion projects from the electronic circuit board. break away. Then, the first slider returns to the original position.

Finally, the first conveyor and the swing frame are lifted to complete the series of operations.

[0028]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of an embodiment of the present invention. In the figure, 31 is an XY table movable on a substantially horizontal plane,
The numeral 32 is arranged so as to be adjacent to one side portion of the XY table 31 when the XY table 31 is located at the delivery place, conveys the electronic circuit board, and is movable in a direction orthogonal to the conveying plane. The first conveyer 33 is arranged so as to be adjacent to the other side of the XY table 31 when the XY table 31 is located at the transfer place, conveys the electronic circuit board, and serves as a conveyance plane. It is the 2nd conveyor which can move in the direction which intersects perpendicularly.

On the side of the first table 32, a swing frame 34 is provided so as to be movable in a direction orthogonal to the transport plane and to be able to move toward and away from the first table 32. A rodless cylinder (guide) 35 is provided at the swing end of the swing frame 34 along the transport direction of the first conveyor 32. A first slider 36 is movably provided on the outer cylinder surface of the rodless cylinder 35.

Reference numeral 37 is a transfer arm provided on the first slider 36. On the side of the first conveyor 32 of the transfer arm 37, one protrusion 38 is provided, and on the side of the second conveyor 33, the distance from the first protrusion 38 is longer than the distance in the transport direction of the electronic circuit board. A second protrusion 39 that is set large is formed.

On the outer cylinder surface of the rodless cylinder 35, the first
A second slider 40 (not shown) is movably arranged between the slider 36 and the end of the swing frame 34 on the first conveyor side. The second cylinder 40 is provided with a slide arm 41 whose tip extends to the vicinity of the second protrusion 39 of the transfer arm 37.

Reference numeral 42 is a reference clamp arm provided near the transfer position of the XY table 31, and is provided so as to be engageable with the first reference hole of the electronic circuit board set on the XY table 31, and 43 is a reference clamp arm. The driven clamp arm is provided near the XY table transfer position and is engageable with the second reference hole of the electronic circuit board set on the XY table 31.

These first and second clamp arms 4
The clamp opening pushers 44 are used to swing the reference numerals 2 and 43. The swing arm 34 is swung by a swing actuator 45.

Next, the operation of the above configuration will be described. When the electronic circuit board is conveyed by the first conveyor 32, the first conveyor 32 and the swing frame 34 descend, and the level becomes the same as that of the XY table 31.

Next, the swing actuator 45 is activated,
The swing frame 34 swings toward the first conveyor 32,
The first protrusion 38 of the transfer arm 37 moves to the rear end side of the electronic circuit board, and the second protrusion 38 moves to the front end side of the electronic circuit board. At this time, the slide arm 41 also swings toward the front end of the electronic circuit board.

Next, the rodless cylinder 35 operates,
The first slider 36 moves toward the second conveyor 33, and the first protrusion 38 presses the rear end of the electronic circuit board to move the electronic circuit board toward the XY table 31.

When the electronic circuit board moves toward the XY table 31, the tip of the electronic circuit board moves toward the slide arm 4.
1 is pressed and the second slider 40 is also moved to the first slider 36.
Move with.

Then, when the first slider 36 moves to the stroke end (side surface of the swing frame 34 on the XY table 31 side), the slide arm 41 contacts the driven clamp arm 43.

Next, the clamp opening push 44 is actuated, and the reference clamp arm 42 and the driven clamp arm 4 are operated.
3 engages with the first reference hole and the second reference hole of the electronic circuit board, and the clamping on the XY table 31 of the electronic circuit board is completed. Then, the oscillating actuator 45 operates, the oscillating frame 34 returns to the original position, the rodless cylinder is driven in the opposite direction to the previous direction, and the first slider 36 and the second slider 40 also return to the original position. Return.

Then, the first conveyor 32 and the swing frame 34 are raised, the introduction of the XY table 31 of the electronic circuit board is completed, the XY table 31 moves in the XY directions, and the electronic circuit is moved. Operations such as mounting a chip on a board and detecting defective solder are performed.

Next, when such work is completed, the first conveyor 32 is lowered again, and the swing frame 34 is moved to the X position.
Swinging toward the −Y table 31 is performed. Then, the open push 44 is operated, the reference clamp arm 42 and the driven clamp arm 43 are separated from the first and second reference holes of the electronic circuit board, and the electronic circuit board is unclamped.

Next, the swing actuator 45 is operated,
The oscillating frame 34 oscillates, and the second protrusion 39 is located near the rear end of the electronic circuit board this time. Next, the rodless cylinder 35 is driven and the first slider 36 is moved to the X-
The Y-table 31 moves, the second protrusion 39 presses the rear end of the electronic circuit board, and the electronic circuit board moves in the second conveyor 33 direction.

When the first slider 36 moves to the stroke end, the electronic circuit board is transferred to the second conveyor, then the rocking actuator 45 operates, and the rocking frame 34 returns to its original position. The second protrusion 39 separates from the electronic circuit board. Then, the first slider 36 returns to the original position.

Finally, the first conveyor and the swing frame 34 are lifted, and the series of operations is completed. According to the above configuration, there is no conveyor 5 on the XY table 31.

With only the rodless cylinder 35, X-
The electronic circuit board can be introduced into and discharged from the Y table 31. Since the driven clamp arm also serves as a positioning pin, the stopper pin used in the conventional example is unnecessary.

As described above, the miniaturization of the apparatus, the stable operation, and the highly reliable transportation / positioning can be performed. The present invention is
The present invention is not limited to the above embodiment. For example, the first and second
The width of the conveyor and the guide width of the XY table can be changed by driving the motor. At the same time, the position of the driven clamp arm can also be changed by driving the motor. Can be planned.

[0047]

As described above, according to the present invention, it is possible to realize an electronic circuit board carrying device which is small in size, stable in operation, and highly reliable carrying / positioning.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of the present invention.

FIG. 2 is a side view illustrating a first example of a conventional electronic circuit board carrying device.

FIG. 3 is a plan configuration diagram illustrating a second example.

[Explanation of symbols]

 31 XY Table 32 First Conveyor 33 Second Conveyor 34 Swing Frame 35 Rodless Cylinder (Guide) 36 First Slider 37 Transfer Arm 38 First Projection 39 Second Projection 40 Second Slider 41 Slide arm 42 Reference clamp arm 43 Driven clamp arm

Claims (1)

[Claims] 1. An XY table movable on a substantially horizontal plane, and arranged so as to be adjacent to one side portion of the XY table when the XY table is located at a transfer place. A first conveyor that conveys an electronic circuit board and is movable in a direction orthogonal to a conveyance plane, and is adjacent to the other side of the XY table when the XY table is located at a transfer place And a second conveyor for transporting the electronic circuit board, and a side portion of the first table movably provided in a direction orthogonal to the transport plane and capable of approaching / separating from the first table. A swing frame provided on the first conveyor, a guide provided on the swing end of the swing frame along the transport direction of the first conveyor, and a first guide movably on the guide. A slider and the first slider And a first protrusion provided on the first conveyor side, and a second protrusion on the second conveyor side in which the interval is set larger than the length of the electronic circuit board in the transport direction with respect to the first protrusion. A transfer arm having a protrusion, a second slider movably provided on the guide, and a second slider provided between the first slider and an end of the guide on the first conveyor side, A slide arm provided on the second slider, the tip of which extends near the second protrusion of the transfer arm; and a slide arm provided near the XY table transfer position and set on the XY table. A reference clamp arm provided to be engageable with the first reference hole of the electronic circuit board, and the electronic circuit board set on the XY table, the reference clamp arm being provided in the vicinity of the XY table transfer position. Provided so that it can be engaged with the 2 reference holes Conveying apparatus for an electronic circuit board, characterized by comprising a driven clamping arms, was.