JPH0258300A - Device for mounting parts on circuit board - Google Patents

Abstract

PURPOSE:To position a circuit board to a plurality of positions by using the same reference section for positioning so that the need of an excessive space for positioning can be eliminated from the circuit board by positioning the circuit board by using the same reference section for positioning when parts are mounted in an area of the circuit board after another parts are mounted in another area of the circuit board. CONSTITUTION:With a device by which parts are mounted in a prescribed area of a circuit board 1 after the circuit board 1 is positioned on a conveyor 7, the circuit board 1 is positioned by using the same reference section for positioning when parts are mounted in an area B after another parts are mounted in another area A. For example, a pair of reference holes are formed in the side section of the area A of the circuit board 1 and a pair of positioning pins 5 are provided to the locations corresponding to the reference holes of a positioning jig 4. After the circuit board 1 is first positioned so that the area A can be brought into a mounting area and the parts are mounted in the area A, the positioning jig 4 is moved rightward by a distance l by means of a drive cylinder 8 so that the area B of the circuit board 1 can be brought into the mounting area and the parts are mounted in the area B.

Description

[Detailed Description of the Invention] [Industrial Application Field 1] The present invention is a method for attaching parts to a circuit board (LTC vcfff) in which parts are mounted on a large-sized circuit board in a plurality of areas.
It is related to i.

[Prior art] - In recent years, there has been a trend toward using large-sized circuit boards, but automatic component mounting machines that mount components on circuit boards have an area the size of conventional relatively small circuit boards. (In order to make it possible to mount it in a large area, a large amount of equipment changes are required and a large amount of capital investment is required.) Therefore, a large-sized circuit board is divided into multiple areas. It is necessary to mount the parts.

Conventionally, as a method for mounting components on a large-sized circuit board by dividing it into multiple areas, for example, Japanese Patent Laid-Open No. 63-7359
What is shown in Publication No. 0 is provided. In such a conventional example, as shown in FIGS. 7 and 8, first reference holes b' and second reference holes e and C' are provided in the circuit board a, and the component mounting area d is first provided. Align the first reference holes, b', of the circuit board a, which has been transported to The head g of the automatic component mounting machine is used to mount the circuit board in the area r indicated by diagonal lines downward to the left in FIG.
, e' and the positioning pin e, and insert the positioning pin e into the second reference holes e and e' to position the circuit board a, and move the area shown by diagonal lines downward to the right in FIG. 7(b). i
Parts are now being implemented.

[Problems to be Solved by the Invention] However, in the conventional example described above, a first reference hole and a second reference hole must be provided to position the circuit board at two positions, and many reference holes must be provided. Therefore, there is a problem that extra space is required on the circuit board, and there is also a problem that it is not suitable for circuit boards whose size and shape do not allow the formation of necessary reference holes.

The present invention has been made in view of the above points, and an object of the present invention is to be able to position a circuit board at a plurality of positions using the same positioning base part, and to provide an extra space for positioning the circuit board. The purpose of the present invention is to provide a GCI for mounting components onto a circuit board without wasting space.

[Means for Solving the Problems J] In order to achieve the above object, the device for mounting components onto a circuit board of the present invention is provided such that after mounting a component on one part of the circuit board, when mounting the component on another part, the same positioning is performed. Positioning is performed using a reference part.

1 Effect] The circuit board can be positioned at a plurality of positions using the same positioning reference part, and there is no need to provide multiple positioning reference parts as in the past.

[Embodiment 1] FIG. 1 shows a part where components are mounted on a circuit board 1, and components from a feeder 2 are mounted onto the circuit board 1 using a head 3. 4 is a positioning jig,
The circuit board 1 can be positioned by inserting a positioning pin 5 into a reference hole 6. Area X shown by the diagonal line 9 in the lower right of Figure 1 (a) is the component supply area, area Y (NXw) shown by the cross diagonal line is the mounting area where components are mounted, and areas X and Y are the head 3 is the area to move to.

FIG. 2 shows an embodiment in which a reference hole 6 is provided as a positioning reference part. The 0 circuit board @1 has a width of - and a length of 2r or 21 or more, and has an area indicated by A and an area indicated by B. The parts are installed separately. A pair of reference holes 6 are bored in the side of the area indicated by the symbol A''C of the circuit board 1, and a pair of positioning pins 5 are provided in the positioning jig 4 so as to correspond to the reference holes 6. , this positioning jig 4 is driven by a driving sill 8 parallel to the conveying direction of the conveyor 7.
You can go there and back.) Initially, the positioning jig 4 is located on the left side of FIG. 2 by the driving sill 8, and the circuit board 1 is conveyed by the conveyor 7 in the direction of arrow A in FIG. When the area shown is at the position of the positioning jig 4, Figure tI42 (,)
As shown in the figure, the positioning bin 5 is inserted into the reference hole 6, the circuit board 1 is positioned so that the area indicated by the symbol A is located in the mounting area, and the component is mounted in the area indicated by the symbol A of the circuit board 1. Next, the positioning jig 4 is moved by the driving sill 8.
is moved to the right by a distance of 2 as shown by the arrow in FIG. 2, and as shown in FIG. The component is mounted in the area indicated by B, the positioning bin 5 is removed from the reference hole 6, the positioning jig 4 is returned to the initial position by the driving sill 8, and the component is mounted on the next circuit board 1 in the same manner as described above. In this way, both the region A and the region B of the circuit board 1 can be positioned in the mounting area using the same reference hole 6, and the region B does not require the reference hole 6.

3 and 4, the outer shape of the circuit board 1 is used as a positioning reference portion. In this case, the edge of the circuit board 1 on the transport direction side serves as a reference edge 9 serving as a positioning reference portion. A first positioning stopper 10 and a second positioning stopper 11 are provided on the conveyance path of the conveyor 7 so as to be movable up and down. A Pt52 sensor 13 is provided at the top. A clamp 14 is also provided near the mounting area. When the circuit board 1 is conveyed in the direction of arrow A, it protrudes upward and the reference edge 9 of the circuit board 1 hits the first positioning stopper 10, positioning the circuit board 1 and clamping it with the clamp 14. The mounting area and the area shown by the symbol 1 on the circuit board 1 match, and the component is mounted in the area shown by the symbol 6.
Next, the first positioning stopper 10 is lowered, the clamp is released, and the circuit board 1 is transported, the reference edge 9 hits the second positioning stopper 11 that protrudes upward, the circuit board 1 is positioned, and the circuit board 1 is clamped by the clamp 14. The mounting area and the area indicated by symbol B match and the component is mounted in the area indicated by symbol B. $2 Positioning stopper 1
1 is lowered, the clamps are released, and the circuit board 1 is carried out with components mounted thereon. This operation timing is set as
To explain in detail with the diagram, it is as follows: 1 circuit failure board 1
When it is conveyed and the time opens L1, the first sensor 12 detects the circuit board 1 and turns on, and as the first sensor 12 turns on, the clamp 4 turns on, and the conveyor 7 turns off. , and when the clamp 14 is turned on, mounting in the area indicated by symbol A is turned on. When the mounting in the area indicated by the symbol A is completed and the time opens t2, the mounting is turned off, the clamp 14 is turned off, the first positioning stopper 11 is lowered, and the conveyor 7 is turned on, and the circuit board 1 is transported. When the circuit board 1 is conveyed a certain distance and a certain amount of time elapses, the second sensor 13 detects the circuit board 1, turns on the second sensor 13, turns on the clamp 14, and turns off the conveyor 7. , and the implementation in the area indicated by symbol B is turned on. It's been a while since I finished the implementation in the area indicated by code B.

When this happens, the mounting is turned off, the clamp 14 is turned off, the second positioning stopper 11 is lowered, and the conveyor 7 is turned on. Then, at time 1 s, the first sensor 12 is turned on and the first positioning stopper 10 is raised. Then, at time L6, the #2 sensor 13 is turned on and the second positioning stopper 11 is raised.

FIG. 6 shows a case where components are mounted on a circuit board 1 twice the size of the above embodiment. This circuit board 1 has a width of 2
The length w is 21, and components are mounted in an area indicated by a symbol A, an area indicated by a symbol B, an area indicated by a symbol C, and an area indicated by a symbol. First, as shown in FIG. 6(a), the area indicated by the symbol A is positioned so that it coincides with the mounting area, the component is mounted in the area indicated by the symbol A, and then the circuit board 1 is transported in the convex direction of the arrow. Figure 6 (
b) The circuit board 1 is positioned immovably so that the area indicated by the symbol B"C and the mounting area match, and the component is mounted in the area indicated by the symbol B. Then, the circuit board 1 is moved in the two directions of the arrows by 180 degrees.
° The circuit board is rotated and positioned so that the area shown by symbol C and the mounting area match as shown in FIG. is transported and positioned so that the region indicated by the symbol matches the mounting area as shown in FIG. 6(d), and the component is mounted in the region indicated by the symbol. Even when parts are mounted in areas indicated by symbols A, B, C, and D, positioning may be performed based on the same reference hole 6 as shown in Fig. 2, or as shown in Figs. As shown in the figure, positioning can be performed using the same reference edge 9 as a reference as in this example.

[Effects of the Invention] As described above, the present invention uses the same positioning reference part to perform positioning when parts are mounted on one part of the circuit board and then on other parts. It is possible to position multiple areas of the circuit board using the positioning reference section of Even objects of a size and shape for which no positioning reference can be provided can be positioned.

[Brief explanation of the drawing]

FIG. 1(,)(b) shows the part 5i of the present invention! 2(a) and 2(b) are plan views illustrating one embodiment of the present invention, and PIS 3 (, >(b)
) is a plan view illustrating another embodiment of the same as above, and FIG.
5 is a timing chart of the same operation as above, FIGS. 6(a), (b), (c), and (d) are plan views illustrating other embodiments of the same as above, and FIG. 7(a) (b) is a plan view illustrating the conventional example, and FIG. 8 is a side sectional view of the conventional example, where 1 is a circuit board and 7 is a conveyor. Agent Patent Attorney Ishi 1) Ai Figure 7 Figure 7 (b) Figure 8

Claims (1)

[Claims] [1] In a device that positions a circuit board on a conveyor and mounts components at predetermined positions on the circuit board, the device mounts components on one part of the circuit board and then mounts the components on other parts. 1. An apparatus for mounting components onto a circuit board, wherein the same positioning reference portion is used for positioning.