JPH05275295A - Manufacturing device for electronic component - Google Patents

Abstract

PURPOSE:To provide a manufacturing system suited for mass production of a composite electronic component serving as a transformer or a filter, which is composed of different passive parts such as coils, capacitors and resistors. CONSTITUTION:A manufacturing system for an electronic component comprises a reel 3 for supplying a laminate 10 having a transverse electrode pattern; a device 4 having upper and lower teeth for folding the laminate along the longitudinal direction; a hot press 8 for shaping the folded laminate; and a device 9 for cutting the laminate into individual elements.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component manufacturing apparatus for forming one or a plurality of passive circuit elements of one or more types of coils, capacitors and resistors into a single component. .

[0002]

2. Description of the Related Art Conventionally, as a component in which a plurality of passive circuit elements such as a coil, a capacitor, and a resistor are grouped and compounded, a composite coil, a compound capacitor, in which a plurality of passive circuit elements of the same type are grouped and unified, Compound resistance is known.

[0003]

SUMMARY OF THE INVENTION Coil, capacitor,
Forming circuits such as transformers and filters by combining multiple passive circuit elements of different types, such as resistors, to make that circuit into a single composite electronic component, and mass producing this composite electronic component There was no suitable manufacturing equipment for.

[0004]

Therefore, an apparatus for manufacturing electronic parts according to the present invention was conceived in order to solve such a problem, and is a laminated body having a pattern electrode formed in a direction orthogonal to the longitudinal direction. Supply reel, a bending device having upper teeth and lower teeth for bending and bending the laminated body in a folding screen shape in the longitudinal direction, and a molding for pressing the folded laminated body while heating. It is composed of a device and a cutting device for cutting the molded laminated body into unit elements.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A T-type L- as shown in the equivalent circuit of FIG.
An apparatus for manufacturing a C filter will be described as an example.

As shown in the front view (a) and the cross-sectional view (b) of FIG. 2, capacitor electrodes are formed on both sides of a wide insulating sheet 11 in a direction intersecting the longitudinal direction of the sheet 11. The first strip electrodes 21, 22 and the second strip electrodes 23, 24 are arranged so as to overlap with each other, and further, the first strip electrodes 21,
One end is connected to the end of 22 and is arranged in parallel with the first and second strip-shaped electrodes 21, 22, 23, 24, and the pattern electrodes formed with the bending electrode 30 serving as a coil are provided at regular intervals,
A laminated body (10) is prepared by covering it with an insulating sheet (12).

The bending electrode 30 that serves as the coil is the sheet 11
The first conductors 31 and 32 arranged in a zigzag pattern in the direction intersecting with the longitudinal direction of the are connected alternately by the second conductors 33 in the longitudinal direction so as to be continuous in a concavo-convex pattern. Is provided, and each position of the conductor 33 that serves as a bent portion (arrow X)
Are arranged so as to be aligned along the longitudinal direction of the sheet 11.

The pattern electrodes arranged on the front and back sides of the laminated body 10 are arranged at regular intervals with reference to the positioning holes 19 provided in the ears on both sides of the laminated body 10.

Next, the laminated body 10 is alternately folded into a folding screen in the opposite direction so that the longitudinal folds are formed,
A manufacturing apparatus for forming the parts will be described.

As shown in FIG. 3, a supply reel 3 for continuously supplying the laminated body 10 and a folding tooth composed of upper teeth and lower teeth for bending the laminated body 10 in a folding screen shape in the longitudinal direction. A device 4, an ear removing device 5 that cuts and removes an ear of the laminated body 10, a roller 6 that pulls out the folded laminated body 10a, and a molding device 8 that presses and molds while heating.
It is composed of a cutting device 9 that cuts the molded product one by one.

A folding device 4 for bending the laminated body 10 into a folding screen shape.
4 is composed of upper teeth 41 and lower teeth 42 as shown in the cross-sectional view of FIG. 4, and at the inlet (BB of FIG. 3), (b) of FIG.
As shown in Fig. 3, the shallow and wide teeth face each other so as to mesh with each other from above and below, and at the outlet (C-C in Fig. 3)
As shown in FIG. 4 (c), the teeth are closely spaced so that the deep teeth mesh with each other from above and below, and in the middle of the inlet and the outlet, as shown in the plan view (a) of FIG. 4 (b)
The shape shown in Fig. 4 is continuously deformed to the shape shown in Fig. 4C.

The upper teeth of the folding device 4 are arranged so that the laminated body 10 can smoothly pass through the folding device 4 with little friction.
An exciter (not shown) for applying ultrasonic vibration to the 41 and the lower teeth 42 is provided.

While applying ultrasonic vibration to the upper teeth 41 and the lower teeth 42 of the bending device 4, the space between the upper teeth and the lower teeth is shown in FIG.
After passing through 10, the ear portion is removed by the ear portion removing device 5 while being pulled out by the roller 6, it is guided to the molding device 8.

A laminated body 10a which is drawn out in a state of being bent like a folding screen, that is, a folded fan-like shape.
Is pressed while being heated in the molding device 8,
It is solidified into a rod.

Next, the cutting device 9 cuts the rod-shaped solidified body 10b between the pattern electrodes.
As shown in the perspective view of FIG. 3, a T-type LC filter circuit element having terminal electrodes 15, 15, 38 on the front and back can be obtained.

That is, the first strip-shaped electrodes 21 and 22 form a capacitor together with the second strip-shaped electrodes 23 and 24 with the dielectric sheet 11 sandwiched therebetween, and the bent electrode 30 is bent to form a coil. An LC filter circuit element having three terminals can be obtained.

(Other Embodiments) By using the manufacturing apparatus of the present invention, various electronic parts can be manufactured according to the shape and arrangement of the pattern electrodes formed on the laminate 10.

Π type L as shown in the equivalent circuit of FIG.
When forming a -C filter, as shown in the front view (a) and the rear view (b) of FIG. 6, a sheet of a wide insulator is used.
The first strip-shaped electrodes 21 and 22 and the second strip-shaped electrodes 23 and 24, which serve as capacitors, are arranged on both surfaces of the sheet 11 in a direction intersecting with the longitudinal direction of the sheet 11 so as to overlap with each other. Patterned electrodes, in which bent electrodes 30 serving as coils having both ends connected to the electrodes 21 and 22 are arranged, are provided at regular intervals, and a laminated body in which the patterned electrodes are covered with a sheet 12 of the second insulator is prepared.

Then, by using the manufacturing apparatus shown in FIGS. 3 and 4, the laminated body 10 is alternately bent at the portion of the conductor 33 (arrow X) in the opposite direction into a folding screen to be processed into a rod shape. , Π-type LC filter can be obtained.

Further, as shown in the equivalent circuit of FIG.
FIG. 7 is a front view when forming a mold type LC filter.
As shown in (a) and the back view (b), the strip-shaped electrodes 21 and 23 to be capacitors are superposed on both sides of the wide insulating sheet 11 in a direction intersecting with the longitudinal direction of the sheet 11. It is arranged and further connected to the strip electrodes 21 and 23, and becomes a coil so as to sandwich the strip electrodes 21 and 23.
Two bent electrodes 30, 35 are arranged, and in order to connect the ends 29 of the two bent electrodes 30, 35 formed on the front and back sides, pattern electrodes provided with through holes 39 in the insulating sheet 11 are arranged at regular intervals. To prepare a laminate 10 having a second insulating sheet 12 coated thereon.

Then, by using the manufacturing apparatus shown in FIGS. 3 and 4, the laminated body 10 is alternately bent at the portion of the conductor 33 (arrow X) in the opposite direction into a folding screen shape to be processed into a bar shape. , Π-type LC filter can be obtained.

When forming the transformer shown in the equivalent circuit of FIG. 1 (d), as shown in the front view (a) and the rear view (b) of FIG. Patterned electrodes in which bent electrodes 30 and 35 to be coils are arranged so as to overlap each other are provided at regular intervals on both surfaces, and a laminated body in which the patterned electrodes are covered with a sheet 12 of a second insulator is prepared.

In the bending electrodes 30 and 35 that serve as the coils, the first conductors 31 and 32 arranged in a zigzag pattern in a direction intersecting with the longitudinal direction of the sheet 11 are alternately connected by the second conductor 33 in the longitudinal direction. To form a concavo-convex pattern, and further connect the terminal electrodes 36, 37
And 43, 44 are provided, and the conductor becomes the bending part.
33 positions (arrow X) are arranged so as to be aligned along the longitudinal direction of the sheet 11.

Then, by using the manufacturing apparatus shown in FIGS. 3 and 4, the laminated body 10 is alternately bent at the portion of the conductor 33 (arrow X) in the opposite direction into a folding screen shape to be processed into a bar shape. , You can get a transformer.

In each of the embodiments described above, it is assumed that each surface bent in a folding screen is relatively small. However, if the area of one surface is made large, a multilayer printed wiring board is formed. It is possible to manufacture a laminated body in which one or more kinds of passive circuit elements are formed in the layers.

When the manufacturing apparatus of the present invention is used,
It is also possible to manufacture not only a composite electronic component but also one or a plurality of single types such as a coil, a capacitor, and a resistor.

[0027]

As is apparent from the description based on the above embodiments, according to the electronic component manufacturing apparatus of the present invention, one type of coil, capacitor, resistor, etc.
It is possible to manufacture one or a plurality of electronic components, and to manufacture a circuit in which a plurality of elements of different types such as coils, capacitors and resistors are combined into a single component, Moreover, it is possible to continuously mass-produce.

[Brief description of drawings]

FIG. 1 is a circuit diagram showing an equivalent circuit of first to fourth examples of a composite electronic component obtained by an electronic component manufacturing apparatus of the present invention,

FIG. 2 is a surface view (a) and a cross-sectional view (b) showing a laminate used when forming a first example of a composite electronic component.

FIG. 3 is a schematic diagram showing an electronic component manufacturing apparatus of the present invention,

FIG. 4 is a plan view of a bending device which is a part of the device shown in FIG.
(a) and sectional views (b, c),

FIG. 5 is a perspective view of a composite electronic component obtained by the manufacturing apparatus of the present invention,

FIG. 6 is a front view (a) and a back view (b) showing a laminate used when forming a second example of the composite electronic component.

FIG. 7 is a front view (a) and a back view (b) showing a laminate used when forming a third example of a composite electronic component.

FIG. 8 is a front view (a) and a back view (b) showing a laminate used when forming a fourth example of a composite electronic component.

[Explanation of symbols]

 3 Supply reel 4 Bending device 5 Ear removing device 7 Terminal molding device 8 Molding device 9 Cutting device 10 Laminated body 11 Insulator sheet 21, 22, 23, 24 Strip electrode for capacitor 30 Bending electrode for coil 39, 39a Through hole

Continuation of front page (51) Int.Cl. ⁵ Identification number Office reference number FI technical display location H01G 4/40 9174-5E

Claims (3)

[Claims] 1. A supply reel for supplying a laminate having a pattern electrode formed in a direction orthogonal to the longitudinal direction, and a folding device having upper and lower teeth for bending the laminate in a folding screen shape in the longitudinal direction. An electronic component, comprising: a bending device, a molding device that presses and molds the bent laminated body while heating, and a cutting device that cuts the molded laminated body into individual unit elements. Manufacturing equipment. 2. The bending device is composed of upper teeth and lower teeth, the inlets of which have wide gaps and the shallow teeth face each other so as to mesh with each other from above and below, and the outlets of which have narrow gaps. 2. The electronic component manufacturing apparatus according to claim 1, wherein the deep teeth are opposed to each other so as to mesh with each other from above and below. 3. The electronic component manufacturing apparatus according to claim 2, further comprising a vibrator that applies ultrasonic vibration to the upper and lower teeth of the bending device.