JPH02186700A - Printed board transfer conveyer line - Google Patents

Abstract

PURPOSE:To improve an operating speed and to reduce a device in cost by a method wherein two or more cut and clinch units, which optionally set the cutting length and the bending direction of lead wires corresponding to two or more electronic components to be mounted, are provided on the rear side of a printed board at a specified stop position. CONSTITUTION:A printed board 1 is transferred on a conveyer 12, and when the board 1 is detected by a sensor 2, the transfer operation is made to stop. Next, positioning levers 3a and 3b start operating to position the board 1 at a certain position and concurrently a cylinder 10 operates to make a plate 8 ascend. By this movement, a board receiving section 5a of a fixed blade 5 of a cut and clinch unit is made to bear on the rear side of the board 1. Then, an operator inserts an electronic component 4 into a prescribed hole of the board 1. After two or more electronic components 4 are inserted, cylinders 7 of two of more cut and clinch units fitted to a plate 8 are made to operate by stepping down a foot switch 14, and movable blades 6a and 6b rotate about a supporting point 16 as a center. By this setup, lead wires 4a and 4b put in a hole 5b of the fixed blade 5 and cut off and bent.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a printed circuit board conveyor line that intermittently transports printed circuit boards, and in particular, a conveyor line for cutting electronic components on the back side of the printed circuit board. This invention relates to a printed circuit board conveyor line equipped with a cut-and-clinch unit for bending.

[Conventional technology]

Generally, when installing electronic components onto a printed circuit board, the lead wires of the electronic components are cut and bent on the back side of the printed circuit board in order to increase the strength of the connection between the two. This is carried out on a printed circuit board conveyor line equipped with a unit.

Conventionally, this kind of equipment uses numerical control to move a set of cut-and-clinch units sequentially to positions determined by a program, and the operator moves electronic components to the determined positions on the printed circuit board in the order of movement. The one set of cut and clinch units described above sequentially cuts the lead wires of each of the assembled electronic components.
It was cut and bent.

However, in such a position, the lead wire spacing of the electronic components, the length and bending direction of the lead wires on the back side of the printed circuit board are the same for all electronic components, and the operating speed of the cut-and-clinch unit is There was a problem that the process was slow and could not keep up with the speed at which the electronic components were assembled by the workers. Further, such a cut-and-clinch unit has a complicated structure and is very expensive, so there is also a problem that the cost of the entire apparatus increases.

An example of a conventional cut-and-clinch unit is the one described in Japanese Utility Model Application Publication No. 135472/1983.

[Problem to be solved by the invention]

In the above conventional technology, the lead wire spacing of electronic components, the length and bending direction of the lead wires on the back side of the printed circuit board are the same for all electronic components, and cannot be set arbitrarily for each electronic component. There was a problem. In addition, because one set of cut-and-clinch units moves sequentially to cut and bend the lead wires of multiple electronic components, there is a problem in that the speed of movement is slower than the speed at which the operator assembles the electronic components. there were.

Furthermore, such a cut-and-clinch unit has a complicated structure and is very expensive, so there is a problem that the cost of the entire apparatus increases.

The purpose of the present invention is to solve the problems of the prior art described above,
A printed circuit board transport conveyor that allows you to arbitrarily set the lead wire spacing of electronic components, the length and bending direction of the lead wires on the back side of the printed circuit board for each electronic component, and that also has high working speed and low overall equipment cost. The purpose is to provide a line.

[Means to solve the problem]

In order to achieve the above object, the present invention provides a printed circuit board conveyor line that intermittently transports printed circuit boards, in which a plurality of A plurality of cut-and-clinch units are provided, which are configured and arranged in one-to-one correspondence with each electronic component, and can arbitrarily set the length to be cut and the bending direction of the lead wire of the corresponding electronic component.

[Effect]

Since each of the cut and clinch units can be constructed in one-to-one correspondence with a plurality of electronic components to be assembled, the lead wire spacing of the electronic components can be arbitrarily set for each electronic component.

In addition, the cut-and-clinch unit can arbitrarily set the length and bending direction of the lead wire of the corresponding electronic component, so the length and bending direction of the lead wire of the electronic component can be set individually for each electronic component. It can also be set arbitrarily.

Further, each of the cut and clinch units is arranged in one-to-one correspondence with a plurality of electronic components to be incorporated, so that, for example, an operator can assemble electronic components into a printed circuit board and simply turn on a switch. Lead wires can be cut and bent simultaneously for a plurality of electronic components, and therefore the work speed can be increased compared to conventional methods.

Furthermore, since it is possible to use a cut and clinch unit that has a simple structure and is inexpensive, the cost of the entire apparatus can be reduced.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

The figure is a perspective view showing one embodiment of the present invention. In the figure, the cut and clinch units are shown enlarged in the directions indicated by the white arrows.

This device includes a sensor 2 for detecting the presence or absence of a printed circuit board 1, positioning levers 3α and 3b for positioning the printed circuit board 1 at a normal position, and a lead wire 4α for an electronic component 4 assembled on the back side of the printed circuit board 1.

a plate 8 on which a plurality of cut-and-clinch units are arranged at predetermined positions, and a plate 9 to which the plate 8 is attached; Plate 9
It consists of an air cylinder 10 that moves up and down, a base plate 11 to which the air cylinder 10 is attached, and a support plate 13 to which the base plate 11 is attached to a conveyor line 12.

Next, the operation will be explained.

The printed circuit board 1 is conveyed on the conveyor line 12, and when the presence of the printed circuit board 1 is detected by the sensor 2, the conveyance is stopped.

Next, the positioning levers 3α and 3b operate to position the printed circuit board 1 at a fixed position, and at the same time the air cylinder 10
operates, plate 9 and plate 8 attached to it
rises.

With this movement, the board holder portion 5α of the fixed blade 5 of the cut and clinch unit comes into contact with the back surface of the printed circuit board 1. Then, the operator inserts the electronic component 4 into the predetermined hole of the printed circuit board 1.

After inserting the plurality of electronic components 1, the foot switch 14
By stepping on the air cylinders 7 of the plurality of cut and clinch units mounted on the plate 8 are operated, and the movable blades 6α and 6b are moved to the fulcrum 1 via the links 15.
It rotates around 6.

As a result, the fixed blade 5 is inserted into the printed circuit board 1 and further
The lead wire 4α of the electronic component 4 that has entered the hole 5b,
4b is cut and bent.

These operations proceed simultaneously in multiple cut and clinch units.

When the bending is completed, the positioning lever 3α,
3b is opened, and at the same time air cylinder 1o is activated,
Plate 9 is lowered. When the lowering of the plate 9 is completed, the air cylinder 7 of the cut-and-clinch unit is activated to return to the original state, and the transfer of the pudding 1 and the substrate 1 is started.

When changing the model, remove plate 8 from plays 1 to 9 and change to plate 8 with a cut and clinch unit dedicated to that model attached.

〔Effect of the invention〕

°8 As explained above, according to the present invention, the interval between the lead wires of the electronic component, the length and bending direction of the lead wire on the back surface of the printed circuit board can be arbitrarily set for each electronic component. Moreover, the work speed is fast and the cost of the entire device can be reduced. Therefore, for example, 1000
3 workers can be saved by assembling parts, cutting lead wires, and bending 0 parts per day.

DESCRIPTION OF SYMBOLS 1... Printed circuit board, 2... Sensor, 3... Positioning lever, 4... Electronic component, 5... Fixed blade, 6...
...Movable blade, 7...Air cylinder, 8...Plate, 9...Plate, 10...Air cylinder, 1
1...Base plate, 12...Conveyor line, 13.
... Support plate, 14... Foot switch, 15... Link, 16... Fulcrum.

Claims (1)

[Claims] 1. In a printed circuit board conveyor line that intermittently transports printed circuit boards, the circuit board is configured and arranged in one-to-one correspondence with a plurality of electronic components to be incorporated, respectively, on the back side of the printed circuit board at a predetermined stopping position of the printed circuit board. and a plurality of cut-and-clinch units having a plurality of cut-and-clinch units, and when the printed circuit board is stopped at the stop position and the lead wire of the corresponding electronic component is inserted into the predetermined hole of the printed circuit board, the printed circuit board is On the back side, each cut-and-clinch unit cuts the lead wire of the corresponding electronic component to the length set for each electronic component, and then bends it in the direction set for each electronic component. A printed circuit board conveyor line characterized by: