JPH05102699A - Apparatus for conveying and assembling circuit board - Google Patents

Abstract

PURPOSE:To provide an apparatus for conveying and assembling a circuit board which can improve the quantity of products by improving productivity, eliminate a main board to simplify a facility and reduce a product cost. CONSTITUTION:A positioning member 15 for simultaneously positioning a plurality of circuit boards 20 to be simultaneously conveyed and formed with positioned parts at predetermined positions is provided, and a circuit component is placed on the board 20 positioned by the member 15. The plurality of boards 20 positioned by the member 15 can be conveyed as one unit and assembled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit board transporting and assembling apparatus capable of rationalizing a production process, and is applicable to, for example, assembling a surface mount circuit board or the like.

[0002]

2. Description of the Related Art For example, as equipment for producing a surface mount circuit board or a discrete mixed circuit board,
Substrate supply machine, cream solder printing machine, adhesive printing machine, cream solder coating machine, adhesive coating machine, standard chip mounting machine, odd-shaped component mounting machine, robot type mounting machine, beam soldering machine,
There is an air solder reflow UV irradiator, a visual inspection machine, a circuit group storage machine, etc., and these are manufactured in combination. When assembling a circuit board using such equipment, the circuit board is transported between each equipment, and the work shared by each equipment is performed by each equipment. Is for producing one substrate in each facility as one cycle. That is, a predetermined work is performed for each circuit board in each facility while transporting one circuit board as a unit.

As another conventional example of carrying and assembling a circuit board, when the circuit board is small, a main board 40 is used as shown in FIG.
A plurality of circuit boards 20 are mounted on the main board 4
There is also one in which a plurality of circuit boards 20 are transported by 0 and a predetermined work is performed in each facility.

[0004]

In the case where one board is produced in one cycle, in the case of a circuit board having a small number of mounted components, the time required to carry the board is longer than the time required to mount the components. Therefore, there is a problem that productivity is poor with respect to equipment capacity.

According to the example of assembling a plurality of substrates while simultaneously transporting a plurality of substrates by using the main board as shown in FIG. 11, productivity is improved, but a main board and a main board recovery facility are required, There is a problem that the main board mounting cost is generated and the product cost is increased.

The present invention has been made in order to solve such a problem, and improves productivity to increase the production quantity and simplifies the equipment by eliminating the need for a main board. It is an object of the present invention to provide a circuit board transfer / assembly apparatus capable of reducing the product cost.

[0007]

SUMMARY OF THE INVENTION The present invention has a positioning member for simultaneously positioning a plurality of circuit boards that are simultaneously conveyed and have a positioning portion formed at a predetermined position, and a plurality of circuits positioned by the positioning member. It is characterized in that circuit components are mounted on the substrate.

[0008]

The positioning member positions the plurality of circuit boards by using the positioning portions of the respective circuit boards. The positioned circuit board is transported to each facility while being positioned, and each facility performs a predetermined operation on each of the positioned and transported circuit boards to assemble the circuit boards.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a circuit board transfer and assembling apparatus according to the present invention will be described below with reference to FIGS. In FIG. 1, a pair of belts 14 and 14 arranged in parallel are suspended between pulleys 12 and 13, respectively.
The upper side of 4, 14 is transferred from the lower left to the upper right of the figure as shown by the arrow. The pair of belts 14 and 14 simultaneously convey the plurality of circuit boards 20 placed on the belts 14 and 14. The plurality of circuit boards 20 may have the same specifications or different specifications. However,
As shown in FIG. 2, through holes 21 as positioning portions are formed in each circuit board 14 at predetermined two positions regardless of the specifications of the circuit board 14. The use of the circuit board 14 is not particularly limited, but it can be applied to, for example, a circuit board of a motor. The material of the circuit board 14 is not particularly limited, and may be, for example, an iron plate board having a circuit pattern formed on its surface through an insulating layer.

In FIGS. 1, 8 and 9, the belt 14,
Side guides 11 are fixed in parallel with the belts 14 and 14 so that the belts 14 and 14 are sandwiched from the outside in the middle of the conveyance path of the circuit board 20 by the belt 14. The side guides 11, 11 have eave-shaped protruding edge portions 11a, 11a facing each other at the upper part. The circuit board 20 conveyed by the belts 14, 14 includes the lower surface of the protruding edge portions 11a, 11a of the side guides 11, 11 and the side guide 1 continuing to the protruding edge portions 11a, 11a.
The sheets are conveyed while being guided by the surfaces of 1, 1 facing each other. Below the side guides 11, 11 arrangement part,
Positioning members 15 for simultaneously positioning the plurality of circuit boards 20 are arranged. The positioning member 15 includes
Substrate positioning pins 27 to be fitted into the through holes 21 of each circuit board 20 are fixedly planted in a predetermined relative positional relationship so that a plurality of (four in the illustrated example) circuit boards 20 can be positioned at the same time. ing. In addition, each circuit board 20
The positional relationship between the pair of board positioning pins 27 to be positioned is set in accordance with the positional relationship between the pair of through holes formed in the circuit board 20. By the way, in FIG. 1 and FIG.
It is shown that the relative positional relationship between the pair of substrate positioning pins 27 is different.

As shown in FIGS. 8 and 9, the positioning member 1
5 is mounted on the base plate 30. A positioning pin 19 is provided on the positioning member 15 so as to project downward,
The positioning member 15 is positioned and mounted on the base plate 30 by fitting the positioning pin 19 into the positioning hole of the base plate 30. The base plate 30 is connected to a hydraulic cylinder or an appropriate drive means, and the drive means drives the base plate 30 and the positioning member 15 integrated with the base plate 30 in the vertical direction. When the positioning member 15 is lifted as shown by the broken line in FIG. 9, the positioning pins 27 are fitted into the through holes 21 of the circuit boards 20 conveyed by the belts 14 and 14, so that the circuit boards 20 are secured. It is designed to be positioned at the same time.

A pair of stoppers 28, 28 are provided adjacent to the positioning member 15 and on the downstream side of the positioning member 15 in the transport direction of the circuit board 20.
It is planted in 7 and arranged. The stopper support body 37 is connected to a hydraulic cylinder or an appropriate drive means, and the drive means drives the stopper support body 37 and the stoppers 28, 28 integral with the stopper support body 37 in the vertical direction. When the stoppers 28, 28 are raised as shown by the broken lines in FIG. 9, the stoppers 28, 28 advance to the passages of the circuit board 20 conveyed by the belts 14, 14 and are continuously conveyed. The first circuit board 20 is blocked and positioned.

Next, the operation of the above embodiment will be described. Figure 2
(A) As shown in FIG. 8, a stopper 28 is provided on the path of the circuit board 20 conveyed by the pair of belts 14, 14.
Is advanced to bring the leading circuit board 20 into contact with the stopper 28 to position the circuit board 20 and the succeeding circuit board 20 on the belts 14, 14. 2 (b) in this state
9 and by raising the positioning member 15 as shown by the broken line in FIG. 9, each through hole 21 of the plurality of circuit boards 20.
The positioning pins 27 are fitted to the positions to position the plurality of circuit boards 20 at the same time. The plurality of circuit boards 20 thus positioned are positioned in the belt 1 while being positioned.
4 and 14, the equipment is carried to each equipment, and the work of each equipment is performed, such as mounting the circuit component on each circuit board 20 and soldering in each equipment.

By the way, each of the positioned circuit boards 20
On the other hand, FIG. 10 shows an example of the work process performed in each facility.
In FIG. 10, the board feeder is an apparatus for simultaneously positioning and simultaneously carrying a plurality of circuit boards 20 as described in the above embodiment. Cream solder printing and adhesive printing are performed on a plurality of circuit boards 20 conveyed by this board supply machine by a cream solder printing machine and an adhesive printing machine, and then by an adhesive application machine and a cream solder application machine. Adhesive application and cream solder application are performed. next,
The standard chip mounter mounts the standard chip parts, and the odd-shaped part mounter or the robot-type mounter mounts the odd-shaped parts. The circuit board on which the parts are mounted is then reflow-soldered by an air solder reflow infrared irradiator, and further soldered by a beam solderer.
After that, the appearance is inspected by the appearance inspection machine, and the accepted products are stored in a predetermined product storage portion by the circuit set storage machine. In this way, one cycle of work is performed while simultaneously transporting a plurality of circuit boards.

According to the above-described embodiment, the positioning member 15 for simultaneously positioning the plurality of circuit boards 20 having the through holes 21 as the positioning portions at the predetermined positions is provided, and the circuit component is placed on each of the positioned circuit boards. Since the circuit boards 20 are mounted, it is possible to carry a plurality of simultaneously positioned circuit boards 20 as a unit and perform a predetermined work in each facility, and the carrying time per circuit board is reduced. Productivity for equipment capacity is improved. Further, the positioning member 15 only repeatedly positions the plurality of circuit boards 20 on the carrying means such as the belts 14 and 14, and carries the plurality of circuit boards 20 to each facility while holding the plurality of circuit boards 20 as in the conventional case. Since there is no need to use the main board, not only the main board, but also the main board recovery equipment is not required, and there is no need to provide a main board assembly allowance for the transportation means and each equipment, and the product cost can be significantly reduced. You can

Further, by forming the through hole 21 as a positioning portion of the circuit board 20 at a predetermined position even if the shape and other specifications of the circuit board 20 are different, a common positioning member 15 can be used. Since the troublesome work of replacing the positioning member 15 each time the specifications of the circuit board 20 are different is eliminated, the setup is simplified, and the production efficiency is improved from this point as well, and the cost is reduced. be able to.

The positioning portion formed on each circuit board is not limited to the through hole. In FIG. 3A, similar to the above embodiment, the positioning pin 27 of the positioning member 15 is used as a reference and the through hole 21 of the circuit board 20 is fitted therein, but the positioning means is limited to such a positioning means. However, as shown in FIG. 3B, the circuit board 2
It is also possible to use the end surface of 0 as a reference and press the corner parts at diagonal positions on both ends thereof against the L-shaped positioning piece 31 provided on the positioning member 15 for positioning.

4 to 6 show various examples of means for positioning and connecting the positioning member 15 and the base plate 30. In the example of FIG. 4, the positioning pin 32 is provided on the base plate 30 side.
And the positioning pin 18 is positioned and joined by fitting the positioning hole 18 of the positioning member 15 into the positioning pin 32. In the example of FIG. 5, similarly to the above-described embodiment, the positioning pin 19 fixed to the positioning member 15 downward is fitted into the positioning hole 33 of the base plate 30 for positioning and coupling. The example of FIG. 6 is the base plate 3
The positioning plate 34 is raised from one end of 0, one end of the positioning member 15 is pressed against the positioning plate 34 for positioning, and the positioning member 15 and the base plate 30 are joined in this state.

In each of the examples described above, the positioning member and the base plate are separate members, but the positioning member and the base plate may be formed as one member. FIG. 7 shows such an example, and the base plate 35 also serving as a positioning member.
The positioning plate 36 is raised from one end and the one end of the circuit board 20 is pressed against the positioning plate 36 to position the circuit board 20 on the base plate 35.

[0020]

According to the present invention, a positioning member for simultaneously positioning a plurality of circuit boards having positioning portions formed at predetermined locations is provided, and the circuit components are mounted on each of the positioned circuit boards. It is possible to transfer multiple circuit boards that are positioned at the same time as one unit and perform a predetermined work in each equipment, and the transfer time per circuit board is reduced, improving productivity for equipment capacity. To do. Further, since the positioning member only repeatedly positions a plurality of circuit boards one by one, there is no need to use a main board for transporting to each facility while holding a plurality of circuit boards as in the conventional case. Needless to say, no main board recovery equipment is required, and further, it is not necessary to provide a main board assembling allowance for the transportation means and each equipment, and the product cost can be significantly reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing the outline of an embodiment of a circuit board transporting and assembling apparatus according to the present invention.

FIG. 2 is a perspective view sequentially showing the outline of the operation of the compassion example.

FIG. 3 is a perspective view showing various examples of circuit board positioning means applicable to the present invention.

FIG. 4 is a front view showing an example of coupling means for a positioning member and a base plate applicable to the present invention.

FIG. 5 is a front view showing another example of the coupling means for the positioning member and the base plate applicable to the present invention.

FIG. 6 is a front view showing still another example of a coupling means for a positioning member and a base plate applicable to the present invention.

FIG. 7 is a perspective view showing another example of the circuit board positioning means applicable to the present invention.

FIG. 8 is a plan view of the above embodiment according to the present invention.

FIG. 9 is a front view of the same.

FIG. 10 is a process drawing showing an example of a circuit board assembling process applicable to the present invention.

FIG. 11 is a perspective view showing an example of a main board used in a conventional circuit board transporting and assembling apparatus.

[Explanation of symbols]

 15 Positioning member 20 Circuit board 21 Positioning part

Claims (1)

[Claims] 1. A positioning member for simultaneously positioning a plurality of circuit boards that are simultaneously conveyed and have a positioning portion formed at a predetermined position, and a circuit component is positioned on each circuit board positioned by the positioning member. A circuit board transfer and assembling device characterized by being mounted.