JP6897937B2 - Flexible printed wiring board manufacturing method, plate jigs, flexible printed wiring board piece handling tools, and flexible printed wiring board manufacturing equipment - Google Patents

Description

The present invention relates to a method for manufacturing a flexible printed wiring board, a plate jig, a tool for handling individual pieces of the flexible printed wiring board, and a manufacturing facility for the flexible printed wiring board.
This application claims priority based on Japanese Application No. 2016-224140 filed on November 17, 2016, and incorporates all the contents described in the Japanese application.

Flexible printed wiring boards are often used in electronic devices. With the recent miniaturization of electronic devices, small flexible printed wiring boards are often used inside electronic devices.

Such a flexible printed wiring board is manufactured by arranging a plurality of conductive patterns of a desired flexible printed wiring board on a large-sized base film and punching each flexible printed wiring board by punching to simultaneously manufacture a plurality of such flexible printed wiring boards. (See JP-A-6-132618).

In this specification, each flexible printed wiring board to be punched is referred to as a flexible printed wiring board piece, and a flexible printed wiring board having a conductive pattern of a plurality of flexible printed wiring board pieces formed on a base film is called a flexible printed wiring board piece. Called a sheet.

Japanese Unexamined Patent Publication No. 6-132618

The method for manufacturing a flexible printed wiring board according to one aspect of the present invention uses a die on which a plate-shaped jig for projecting is arranged and a punch corresponding to the die, and one flexible printed wiring board sheet. A separation step of separating a plurality of flexible printed wiring board pieces from the above, a splashing process of ejecting a plurality of flexible printed wiring board pieces by lifting the plate-shaped jig, and the plurality of flexible printed wiring board pieces. A method for manufacturing a flexible printed wiring board, which comprises a transfer step of transferring a plurality of the plurality of flexible printed wiring board pieces that have been ejected to a tray having a holding structure for positioning the pieces. However, the plurality of guides for preventing the movement of the plurality of flexible printed wiring board pieces in the plane direction and the plurality of flexible printed wiring board pieces positioned by the plurality of guides face the holding structure of the tray. It has a positioning unit for positioning with respect to the tray, and the transfer step includes a stacking step of stacking the tray on the plate-shaped jig and an inversion step of flipping the plate-shaped jig and the tray upside down. Have.

Further, the plate-shaped jig according to another aspect of the present invention is for ejecting a plurality of flexible printed wiring board pieces separated from one flexible printed wiring board sheet from the die by using a die and a punch. It is a plate-shaped jig used, and is positioned with respect to a plurality of guides for preventing the movement of the plurality of flexible printed wiring board pieces in the plane direction and a tray for holding the plurality of flexible printed wiring board pieces. It is provided with a positioning unit.

FIG. 1 is a schematic cross-sectional view showing a manufacturing facility for a flexible printed wiring board according to an embodiment of the present invention. FIG. 2 is a schematic plan view showing a state in which a flexible printed wiring board sheet is placed on a plate-shaped jig according to an embodiment of the present invention. FIG. 3 is a schematic cross-sectional view showing one step of the method for manufacturing a flexible printed wiring board according to an embodiment of the present invention. FIG. 4 is a schematic cross-sectional view showing the next step of FIG. 3 of the method for manufacturing a flexible printed wiring board according to an embodiment of the present invention. FIG. 5 is a schematic cross-sectional view showing the next step of FIG. 4 of the method for manufacturing a flexible printed wiring board according to an embodiment of the present invention. FIG. 6 is a schematic cross-sectional view showing the next step of FIG. 5 of the method for manufacturing a flexible printed wiring board according to an embodiment of the present invention. FIG. 7 is a schematic cross-sectional view showing the next step of FIG. 6 of the method for manufacturing a flexible printed wiring board according to an embodiment of the present invention. FIG. 8 is a schematic cross-sectional view showing the next step of FIG. 7 of the method for manufacturing a flexible printed wiring board according to an embodiment of the present invention.

[Problems to be Solved by the Present Invention]
When a plurality of flexible printed wiring board pieces are punched out from the flexible printed wiring board sheet by the method disclosed in the above publication, a plurality of flexible printed wiring board pieces are left on the die. These plurality of flexible printed wiring board pieces are picked up one by one from the die and sent to the next process.

When mass-producing flexible printed wiring board pieces, it is possible to install a device that picks up a plurality of flexible printed wiring board pieces and transports them to the next process, but the production amount of the flexible printed wiring board pieces is sufficient. If it is not too large, the operator will manually pick up the flexible printed wiring board pieces.

Since the work of picking up multiple flexible printed wiring board pieces one by one is complicated, a plate (plate-shaped jig) is placed on the die and the plate is lifted after punching to multiple flexible printed wiring boards. A method of picking up individual plate pieces at the same time is also conceivable.

However, even if the plates arranged on the die are used, it is necessary to manually position the plurality of flexible printed wiring board pieces taken up one by one when supplying them to the next process.

The present invention has been made based on the above circumstances, and is a method for manufacturing a flexible printed wiring board in which individual flexible printed wiring board pieces can be easily handled, a plate jig, and handling of individual flexible printed wiring board pieces. An object of the present invention is to provide a manufacturing facility for tools and flexible printed wiring boards.

[Effect of the present invention]
The method for manufacturing a flexible printed wiring board according to one aspect of the present invention facilitates handling of individual flexible printed wiring boards. Further, the plate-shaped jig according to another aspect of the present invention can easily handle individual flexible printed wiring board pieces.

[Explanation of Embodiments of the Present Invention]
The method for manufacturing a flexible printed wiring board according to one aspect of the present invention uses a die on which a plate-shaped jig for projecting is arranged and a punch corresponding to the die, and one flexible printed wiring board sheet. A separation step of separating a plurality of flexible printed wiring board pieces from the above, a splashing process of ejecting a plurality of flexible printed wiring board pieces by lifting the plate-shaped jig, and the plurality of flexible printed wiring board pieces. A method for manufacturing a flexible printed wiring board, which comprises a transfer step of transferring a plurality of the plurality of flexible printed wiring board pieces that have been ejected to a tray having a holding structure for positioning the pieces. However, the plurality of guides for preventing the movement of the plurality of flexible printed wiring board pieces in the plane direction and the plurality of flexible printed wiring board pieces positioned by the plurality of guides face the holding structure of the tray. It has a positioning unit for positioning with respect to the tray, and the transfer step includes a stacking step of stacking the tray on the plate-shaped jig and an inversion step of flipping the plate-shaped jig and the tray upside down. It is a method to have.

In the method for manufacturing the flexible printed wiring board, a plurality of guides for preventing the movement of the plurality of flexible printed wiring board pieces in the plane direction and a plurality of flexible printed wiring board pieces positioned by the plurality of guides are placed in the tray. Since a plurality of flexible printed wiring board pieces are ejected using a plate-shaped jig having a positioning portion for positioning with respect to the tray so as to face the holding structure of the above, a plurality of flexible printed wirings are ejected even after the ejection. The positional relationship between the plate pieces is maintained. Further, in the method of manufacturing the flexible printed wiring board, in the transfer step, the tray is superposed on the plate jig, and then the plate jig and the tray are turned upside down to perform a plurality of flexible prints. It can be arranged on the tray while maintaining the positional relationship of the individual wiring board pieces. Therefore, in the method for manufacturing the flexible printed wiring board, it is not necessary to individually position the flexible printed wiring board pieces, so that the flexible printed wiring board pieces can be easily handled.

The plate-shaped jig according to another aspect of the present invention is used to eject a plurality of flexible printed wiring board pieces separated from one flexible printed wiring board sheet by using a die and a punch. A plate-shaped jig, which is a positioning unit for positioning with respect to a plurality of guides for preventing the movement of the plurality of flexible printed wiring board pieces in the plane direction and a tray for holding the plurality of flexible printed wiring board pieces. And.

The plate-shaped jig includes a plurality of guides for preventing the movement of the plurality of flexible printed wiring board pieces in the plane direction, and a positioning unit for positioning the tray for holding the plurality of flexible printed wiring board pieces. Therefore, it can be transferred to the tray without changing the relative positions of the plurality of flexible printed wiring board pieces separated on the die. Therefore, by using the plate-shaped jig, a plurality of flexible printed wiring board pieces can be easily handled.

The flexible printed wiring board piece handling tool according to another aspect of the present invention is a flexible printed wiring board piece handling tool including the plate jig and a tray that can be positioned on the plate jig. The tray has a fitting portion for fitting with the positioning portion, a plurality of recesses into which the plurality of guides are inserted, and a holding structure for positioning the plurality of flexible printed wiring board pieces.

As described above, the handling tool for the flexible printed wiring board piece can easily handle a plurality of flexible printed wiring board pieces by providing the plate jig and a tray that can be positioned on the plate jig. Can be handled. In addition, the handling tool for the flexible printed wiring board piece includes a fitting portion in which the tray fits with the positioning portion, a plurality of recesses into which the plurality of guides are inserted, and the plurality of flexible printed wiring boards. By having a holding structure for positioning the individual pieces, a plurality of flexible printed wiring board individual pieces are held between the plate-shaped jig and the tray, and the pieces are turned upside down without changing their relative positions on the tray. Multiple flexible printed wiring board pieces can be transferred.

The equipment for manufacturing a flexible printed wiring board according to still another aspect of the present invention corresponds to a handling tool for each piece of the flexible printed wiring board, a die having a recess into which the plate-shaped jig is fitted, and the die. Equipped with a punch.

Since the manufacturing equipment for the flexible printed wiring board includes a handling tool for each piece of the flexible printed wiring board and a die having a recess for fitting the above-mentioned plate jig, the plate jig is driven on the die. It is possible to accurately receive a plurality of flexible printed wiring board pieces that have been pulled out.

Here, "splashing" means taking out the work formed by the punching process from the punching process device.

[Details of Embodiments of the present invention]
Hereinafter, each embodiment of the present invention will be described in detail with reference to the drawings.

[Flexible printed wiring board manufacturing equipment]
FIG. 1 shows a manufacturing facility for a flexible printed wiring board according to an embodiment of the present invention. The manufacturing equipment includes a die 1 and a punch 2 for separating a plurality of flexible printed wiring board pieces P from one flexible printed wiring board sheet S by punching, and a separated flexible printed wiring board piece P from the die 1. A plate-shaped jig 3 used for projecting and a tray 4 that can be positioned on the plate-shaped jig 3 are provided.

The plate jig 3 itself is another embodiment of the present invention. Further, the plate-shaped jig 3 and the tray 4 constitute a handling tool for a piece of a flexible printed wiring board according to another embodiment of the present invention. In the figure, the tray 4 is shown on the die 1 to show the correspondence with the plate jig 3, but the tray 4 has a plate shape with the plate jig 3 taken out from the die 1. It may be superimposed on the jig 3.

<Flexible printed wiring board sheet>
As shown in FIG. 2, in the flexible printed wiring board sheet S, a conductive pattern (not shown) of a plurality of flexible printed wiring board pieces P is formed, and the outer edge of each flexible printed wiring board piece P is divided into a plurality of times. It is formed so as to separate a plurality of flexible printed wiring board pieces P by punching.

In the flexible printed wiring board manufacturing facility, the flexible printed wiring board sheet S immediately before separating the plurality of flexible printed wiring board pieces P is the number of the plurality of flexible printed wiring board pieces P and the number of the flexible printed wiring board pieces P. It has a small connecting portion C extending from a portion and a frame portion F connected to a plurality of flexible printed wiring board individual pieces P via the connecting portion C and holding a plurality of flexible printed wiring board individual pieces P. In other words, the flexible printed wiring board sheet S is formed with a plurality of punched holes H that define the outer edge of each flexible printed wiring board piece P except for the connection portion C.

<Die>
Each die 1 has a plurality of punch holes 5 into which punches 2 are inserted, and positioning recesses 6 into which plate-shaped jigs 3 are fitted.

The punch holes 5 are arranged so as to overlap the connection portion C of the flexible printed wiring board sheet S. That is, the punch holes 5 are formed in a shape and arrangement so that the individual flexible printed wiring board pieces P can be separated by punching the connection portion C of the flexible printed wiring board sheet S.

The fitting shape of the positioning recess 6 with the plate jig 3, that is, the outer shape in a plan view is not particularly limited. Further, the positioning recess 6 is formed so as to bring the edge of the punch hole 5 into contact with the flexible printed wiring board sheet S placed on the plate jig 3, leaving a region in the vicinity of the punch hole 5.

<Punch>
The punch 2 has a shape that fits into the punch hole 5, and is inserted into and removed from the punch hole 5 by a drive mechanism (not shown).

<Plate jig>
The plate-shaped jig 3 is used to eject a plurality of flexible printed wiring board pieces P separated from one flexible printed wiring board sheet S by using a die 1 and a punch 2 from the die 1. That is, by lifting the plate-shaped jig 3, a plurality of flexible printed wiring board pieces P can be picked up from the die 1 at the same time.

The plate jig 3 is partially fitted in the positioning recess 6 of the die 1, but is preferably formed so as to partially protrude from the positioning recess 6 so that it can be easily picked up from the die 1. ..

The plate-shaped jig 3 includes a plurality of guides 7 for preventing the movement of each flexible printed wiring board piece P in the plane direction, and a positioning portion 8 for positioning with respect to the tray 4.

(guide)
The guide 7 is projected from the surface on which the flexible printed wiring board sheet S is placed. When the flexible printed wiring board sheet S is placed on the plate jig 3, the guide 7 is inserted into the punched hole H of the flexible printed wiring board sheet S and is adjacent to the flexible printed wiring board piece P. Be placed.

The plate jig 3 is configured to arrange a plurality of guides 7 around each flexible printed wiring board piece P, and each flexible printed wiring board piece P cannot be substantially moved in any plane direction. Hold on. The plurality of guides 7 may have a gap between the flexible printed wiring board pieces P and the flexible printed wiring board pieces P to allow the movement of the flexible printed wiring board pieces P to the extent that there is no problem in the subsequent process.

The lower limit of the average height of the guide 7 is preferably 7 times, more preferably 10 times, the average thickness of the flexible printed wiring board sheet S. On the other hand, the upper limit of the average height of the guide 7 is preferably 50 times, more preferably 20 times, the average thickness of the flexible printed wiring board sheet S. If the average height of the guide 7 is less than the above lower limit, the holding of the flexible printed wiring board piece P may be uncertain. On the contrary, when the average height of the guide 7 exceeds the above upper limit, the shape of the tray 4 may be unnecessarily restricted.

The plane dimension of the guide 7 is not particularly limited, and may be such that sufficient strength can be obtained and the guide 7 does not interfere with the flexible printed wiring board sheet S (it can be inserted into the punched hole H).

The guide 7 may be formed by removing other parts of the surface of the plate material other than the guide 7 by, for example, machining, etching, etc., or by partially attaching a member such as a metal composition. You may. As a method of partially attaching the member, for example, a method of arranging the separately machined or etched member on the surface of the plate can be applied.

(Positioning part)
The positioning portion 8 may be any as long as it can be used for positioning with the tray 4, but in the illustrated embodiment, the positioning portion 8 is provided so as to project from the surface on which the flexible printed wiring board sheet S is placed. It is a pin. Further, the positioning portion 8 of the present embodiment also serves as a pin for positioning the flexible printed wiring board sheet S with respect to the plate-shaped jig 3.

<Tray>
The tray 4 is transferred from the plate-shaped jig 3 in which the plurality of flexible printed wiring board pieces P are picked up from the die 1 with the plurality of flexible printed wiring board pieces P turned upside down without changing the positional relationship with each other. Will be posted.

Therefore, the tray 4 has a fitting portion 9 that fits with the positioning portion 8 of the plate jig 3, a plurality of accommodating recesses 10 into which a plurality of guides 7 of the plate jig 3 are inserted, and a plurality of flexible portions. It has a holding structure 11 for positioning the printed wiring board piece P.

(Fitting portion)
The fitting portion 9 may be any one corresponding to the configuration of the positioning portion 8 of the plate jig 3, but in the present embodiment, the positioning hole into which the positioning portion (pin) 8 of the plate jig 3 is fitted. Is. By fitting the fitting portion 9 and the positioning portion 8 of the plate-shaped jig 3, the tray 4 holds a plurality of flexible printed wiring board pieces P positioned by the plurality of guides 7 on the plate-shaped jig 3. The plate jig 3 and the tray 4 can be positioned so as to face the structure 11.

(Accommodation recess)
By accepting the guide 7 of the plate-shaped jig 3, the accommodating recess 10 enables the flexible printed wiring board piece P to be sandwiched between the plate-shaped jig 3 and the tray 4. This makes it more reliable to transfer the plurality of flexible printed wiring board pieces P from the plate-shaped jig 3 to the tray 4 without changing the arrangement.

(Holding structure)
The holding structure 11 may be any as long as it can substantially prevent the flexible printed wiring board piece P from moving in the plane direction, and in the illustrated embodiment, it is a recess into which the flexible printed wiring board piece P fits.

<Advantage>
As described above, the manufacturing equipment for the flexible printed wiring board, the handling tool for the flexible printed wiring board piece (a set of the plate jig 3 and the tray 4), and the plate jig 3 are the plate jig 3. Can hold a plurality of flexible printed wiring board pieces P separated from the flexible printed wiring board sheet S without changing their relative positions, take them out of the die 1, and transfer them to the tray 4 in the same positional relationship. Therefore, it is easy to handle the flexible printed wiring board piece P.

[Manufacturing method of flexible printed wiring board]
The method for manufacturing a flexible printed wiring board according to another embodiment of the present invention can be performed using the manufacturing equipment shown in FIG.

Specifically, the method for manufacturing the flexible printed wiring board uses a die 1 on which a plate-shaped jig 3 for projecting is arranged and a punch 2 corresponding to the die 1, and one flexible printed circuit board is used. A step of separating a plurality of flexible printed wiring board pieces P from the wiring board sheet S <separation step> and a step of ejecting a plurality of flexible printed wiring board pieces P by lifting the plate jig 3 <splashing Step> and a step <transfer step> of transferring the plurality of protruding flexible printed wiring board pieces P to the tray 4 having the holding structure 11 for positioning the plurality of flexible printed wiring board pieces P. Be prepared.

<Separation process>
In the disconnection step, as shown in FIG. 3, the flexible printed wiring board sheet S is positioned and arranged on the plate jig 3, and the plate jig 3 holding the flexible printed wiring board sheet S is positioned and recessed in the die 1. Fit to 6. In this state, by inserting the punch 2 into the punch hole 5 of the die 1, the connection portion C of the flexible printed wiring board sheet S can be punched out and removed, and the plurality of flexible printed wiring board pieces P are separated. ..

At this time, the frame portion F is also left on the plate-shaped jig 3 together with the plurality of flexible printed wiring board pieces P, but as shown in FIG. 4, the frame portion F is first removed to form a plate shape. Only a plurality of flexible printed wiring board pieces P may be left on the jig 3, and the frame portion F may be removed after the next ejection step.

<Splashing process>
In the splashing step, as shown in FIG. 5, the plate-shaped jig 3 on which the plurality of flexible printed wiring board pieces P are placed is lifted, and the plurality of flexible printed wiring board pieces P are left on the plate-shaped jig 3. Remove the plate jig 3 from the die 1. At this time, since each flexible printed wiring board piece P is held by the guide 7, it is easy to move the plate-shaped jig 3 without changing the relative arrangement of the flexible printed wiring board pieces P.

<Transfer process>
The transfer step includes a step of stacking the tray 4 on the plate-shaped jig 3 (stacking step) and a step of flipping the plate-shaped jig 3 and the tray 4 upside down (reversing step).

(Overlapping process)
In the stacking step, as shown in FIG. 6, the tray 4 is superposed on the plate-shaped jig 3 that holds the plurality of flexible printed wiring board pieces P. At this time, by fitting the positioning portion 8 of the plate-shaped jig 3 into the fitting portion 9 of the tray 4, the guide 7 of the plate-shaped jig 3 is accommodated in the accommodating recess 10, and the plate-shaped jig 3 is placed on the plate-shaped jig 3. The plate-shaped jig 3 and the tray 4 are made to face each other so that the flexible printed wiring board piece P is inserted into the holding structure 11.

(Reversal process)
In the reversing step, as shown in FIG. 7, the plate-shaped jig 3 and the tray 4 sandwiching the plurality of flexible printed wiring board pieces P are turned upside down. At this time, the guide 7 of the plate jig 3 and the holding structure 11 of the tray 4 more reliably prevent the relative positions of the plurality of flexible printed wiring board pieces P from changing. As a result, as shown in FIG. 8, the plate-shaped jig 3 can be removed so that the flexible printed wiring board pieces P are accurately arranged on the holding structure 11 of the tray 4, and in the next step, for example, It is possible to appropriately process the flexible printed wiring board piece P, such as mounting an element.

[Other Embodiments]
It should be considered that the embodiments disclosed this time are exemplary in all respects and not restrictive. The scope of the present invention is not limited to the configuration of the above-described embodiment, but is indicated by the claims and is intended to include all modifications within the meaning and scope equivalent to the claims.

The plate-shaped jig may be used to position the flexible printed wiring board sheet only by a guide that holds the flexible printed wiring board pieces. Further, the plate-shaped jig may have a configuration for positioning the flexible printed wiring board separately from the positioning portion for the tray.

The plate-shaped jig may be used as it is as a jig for holding the flexible printed wiring board piece in the next process. Further, the flexible printed wiring board piece may be transferred from the plate jig to a flat plate having no structure for positioning or a structure for holding the flexible printed wiring board piece.

The guide of the plate-shaped jig may have a side surface bent according to the shape of the flexible printed wiring board piece.

The positioning portion of the plate-shaped jig may be a concave portion that fits into the convex portion of the tray. Further, the positioning portion of the plate-shaped jig may be configured to be provided for positioning by a component such as a further jig for positioning the plate-shaped jig and the tray.

In the handling tool for the flexible printed wiring board piece, the tray holding structure is not limited to the above-described embodiment, and the protrusions arranged around the flexible printed wiring board piece, for example, like a guide of a plate jig. Etc., any configuration can be used.

In the manufacturing method of the flexible printed wiring board, the plate jig, the handling tool of the flexible printed wiring board piece, and the manufacturing equipment of the flexible printed wiring board, the flexible printed wiring board sheet is formed of a plurality of types of flexible printed wiring board pieces. It may be the one that has been done.

1 Die 2 Punch 3 Plate-shaped jig 4 Tray 5 Punch hole 6 Positioning recess 7 Guide 8 Positioning part 9 Fitting part 10 Storage recess 11 Holding structure C Connection part F Frame part H Punched hole P Flexible printed wiring board piece S Flexible printed wiring board sheet

Claims (4)

Using a die on which a plate-shaped jig for ejection is arranged and a punch corresponding to this die, a separation process for separating a plurality of flexible printed wiring board pieces from one flexible printed wiring board sheet, and a separation process.
By lifting the above-mentioned plate-shaped jig, a plurality of flexible printed wiring board pieces are ejected.
A method for manufacturing a flexible printed wiring board, which comprises a transfer step of transferring the plurality of flexible printed wiring board pieces that have been ejected to a tray having a holding structure for positioning the plurality of flexible printed wiring board pieces. There,
The plate-shaped jig holds a plurality of guides for preventing the movement of the plurality of flexible printed wiring board pieces in the plane direction, and a plurality of flexible printed wiring board pieces positioned by the plurality of guides in the tray. It has a positioning part for positioning with respect to the tray so as to face the tray.
A method for manufacturing a flexible printed wiring board, wherein the transfer step includes a stacking step of stacking the tray on the plate jig and an inversion step of flipping the plate jig and the tray upside down. A plate-shaped jig used to eject a plurality of flexible printed wiring board pieces separated from one flexible printed wiring board sheet using a die and a punch from the die.
A plurality of guides for preventing the movement of the plurality of flexible printed wiring board pieces in the plane direction, and
A plate-shaped jig provided with a positioning portion for positioning with respect to a tray that holds the plurality of flexible printed wiring board pieces. A tool for handling individual pieces of a flexible printed wiring board including the plate-shaped jig according to claim 2 and a tray that can be positioned on the plate-shaped jig.
The above tray
A fitting part that fits with the positioning part and
Multiple recesses into which the above multiple guides are inserted, and
A tool for handling flexible printed wiring board pieces having a holding structure for positioning the plurality of flexible printed wiring board pieces. The handling tool for the flexible printed wiring board piece according to claim 3,
A die with a recess into which the plate jig fits, and
Flexible printed wiring board manufacturing equipment with punches for this die.

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