JP3798870B2 - Electrolytic capacitor lead wire carrier and lead wire attaching device to the carrier - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a carrier for supplying and assembling and mounting lead wires of a number of electrolytic capacitors when manufacturing an electrolytic capacitor, and an apparatus for mounting lead wires to the carrier.
[0002]
[Prior art]
Conventionally, lead wires for electrolytic capacitors have been used for assembly of electrolytic capacitors after being cleaned and formed and aligned and mounted on a tape-like carrier.
[0003]
FIG. 8 is a plan view showing an example of the conventional carrier 10 and the lead wire 21 of the electrode terminal 20 attached to the carrier 10. In FIG. 8, a carrier 10 is a tape-like body having a longitudinal direction in the left-right direction in the figure. In the longitudinal direction of the carrier 10, mounting holes 11 for mounting the lead wires 21 of the electrode terminals 20 are arranged in parallel at regular intervals. Further, two mounting holes 11 are formed in the width direction of the carrier 10 at a predetermined interval. The lead wire 21 of the electrode terminal 20 is positioned and mounted by passing through the two mounting holes 11.
[0004]
[Problems to be solved by the invention]
However, in the above-described conventional carrier 10, if the diameter of the mounting hole 11 is large, the lead wire 21 can be easily inserted. However, the play of the lead wire 21 in the mounting hole 11 increases, and further, the lead wire 21 is There is a problem that the lead wire 21 or the electrode terminal 20 including the lead wire 21 or the electrode terminal 20 including the lead wire 21 may fall out of the carrier 10 due to the removal from the mounting hole 11.
On the other hand, if the diameter of the mounting hole 11 is reduced, the above problem can be solved, but there is a problem that it becomes difficult to insert the lead wire 21 into the mounting hole 11 and the mounting work becomes complicated and the work efficiency is lowered.
[0005]
Therefore, the present invention provides a carrier that facilitates transfer and assembly by simply and reliably mounting electrolytic capacitor lead wires on a tape-like body at equal intervals, and a device for mounting lead wires to the carrier. Objective.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the invention according to claim 1 (electrolytic capacitor lead wire carrier) forms U-shaped punched holes at regular intervals in the longitudinal direction of the tape-like body, and the tape-like body. A groove having a V-shaped cross section is formed between the outer edge of the punched hole and both side ends of the tape-like body at a substantially central position of the punched hole in the longitudinal direction of the punched hole. The vicinity of the fixed end of the inner tongue-shaped piece is bent toward the groove.
[0007]
According to a second aspect of the present invention (electrolytic capacitor lead wire carrier), U-shaped punching holes are formed at regular intervals in the longitudinal direction of the tape-shaped body, and the punching in the longitudinal direction of the tape-shaped body is performed. A slit is formed between the outer edge of the punched hole and both side ends of the tape-like body at a substantially center position of the hole, and the tape-like body is formed between the slit and the outer edge of the punched hole. A groove portion having a V-shaped cross section in the longitudinal direction is formed by drawing, and the vicinity of the fixed end of the tongue-like piece inside the punched hole is bent toward the groove portion.
[0008]
According to a third aspect of the present invention (an apparatus for attaching a lead wire to a carrier), the carrier of the electrolytic capacitor lead wire according to the first or second aspect is intermittently transferred and lifted from below the tongue-shaped piece. Raise the member to lift the tongue-like piece to a substantially horizontal position, insert the lead wire into the groove part from the side, and lower the lifting member to press the lead wire into the groove part with the tongue-like piece. It is characterized by being clamped.
[0009]
[Action]
In the first or second aspect of the invention, the electrolytic capacitor lead wire is disposed and supported in the groove portion, and its upper portion is pressed by the biasing force of the tongue-like piece.
In the invention of claim 3, the tongue-like piece of the carrier is lifted upward by the raising of the lifting member, and the electrolytic capacitor lead wire is inserted into the groove portion from the side surface side of the carrier. When the lifting member is lowered, the lead wire is pressed and held by the biasing force of the tongue-like piece.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
(First embodiment)
FIG. 1 is a view showing a tape-like body 31 which is a base of a carrier 30 according to a first embodiment of the present invention, and shows a thing before bending, (a) shows a plan view, (b) FIG. 4A is a cross-sectional view showing the AA cross section of FIG. 2A and 2B are diagrams showing the carrier 30 formed from the tape-like body 31 shown in FIG. 1, wherein FIG. 2A shows a plan view and FIG. 2B shows a side view.
[0011]
The tape-shaped body 31 is formed in a tape shape with a thin plate of a metal material or a resin material, and has a longitudinal direction in the left-right direction in the drawing.
First, holes 32 are formed by punching in a U-shape at regular intervals in the longitudinal direction of the tape-like body 31. Then, a groove 33 having a V-shaped cross section is formed by bending or drawing between the substantially center position of the outer edge portion of the hole 32 in the longitudinal direction of the tape-like body 31 and both end portions of the tape-like body 31. The groove 33 is for supporting the lead wire for electrolytic capacitor, and is formed in a size that allows the lead wire to enter the V-shaped portion.
[0012]
Furthermore, the above-mentioned hole 32 is formed, so that a tongue-like piece 34 is formed inside thereof. The tongue-like piece 34 is for holding the lead wire, and has a fixed end and a free end in the longitudinal direction of the tape-like body 31, and has a cantilever shape. Then, the vicinity of the fixed end of the tongue-like piece 34 is bent so that the free end side thereof faces the convex portion side of the groove portion 33. Here, the formation of the groove 33 and the bending in the vicinity of the fixed end of the tongue-like piece 34 are performed once by pressing.
Thus, the carrier 30 is formed from the tape-like body 31. Therefore, since the carrier 30 can be formed by one punching process and one pressing process, the manufacturing cost can be reduced.
[0013]
Next, attachment of the electrolytic capacitor lead wire to the carrier 30 will be described.
The carrier 30 is attached to an electrolytic capacitor lead mounting device and is intermittently transported. FIG. 3 is a side view showing a state in which the electrolytic capacitor lead wire 21 is attached to the carrier 30. A lifting member 40 (indicated by a two-dot chain line in the figure) that is movable up and down in the vertical direction in the figure is disposed below the carrier 30 (the projecting side of the groove 33) and at a substantially central position in the width direction of the carrier 30. ing. When the lead wire 21 is attached to the carrier 30, the carrier 30 is positioned so that the vicinity of the free end of the tongue-like piece 34 is disposed on the upper portion of the lifting member 40, and the lifting member 40 is raised.
[0014]
As a result, the lifting member 40 comes into contact with the vicinity of the free end of the tongue-like piece 34, and the tongue-like piece 34 is raised upward (FIG. 3A). Accordingly, since the space formed by the groove 33 and the tongue-like piece 34 is widened when viewed from the side of the carrier 30, the lead wire 21 can be inserted into the groove 33 from the side. Furthermore, since the space formed by the groove 33 and the tongue-like piece 34 at this time is much larger than the outer diameter of the lead wire 21, the lead wire 21 can be easily arranged. Therefore, the mounting work is simplified and the work efficiency can be improved.
[0015]
When the lead wire 21 is disposed, the lifting member 40 is lowered, and the contact between the lifting member 40 and the tongue-like piece 34 is released (FIG. 3B). Thereby, the tongue-like piece 34 presses the upper part of the lead wire 21 and fixes the lead wire 21.
Therefore, since the lead wire 21 is supported at three places on the two inclined surfaces of the groove 33 and the lower surface of the tongue-shaped piece 34 and is pressed by the biasing force of the tongue-shaped piece 34, the lead wire 21 is completely fixed to the carrier 30. . Accordingly, it is possible to prevent the lead wire 21 from dropping from the carrier 30.
[0016]
Furthermore, since the cross section of the groove portion 33 is V-shaped, the center of the cross section of the lead wire 21 is disposed on the cross sectional center line of the groove portion 33, so that the lead wire 21 is accurately positioned with respect to the carrier 30. Therefore, for example, only the lead wire 21 is attached to the carrier 30, and the welding position accuracy when the electrode terminal is welded to the lead wire 21 can be improved.
[0017]
FIG. 4 is a plan view showing a state in which the lead wires 21 (with the electrode terminals 20 welded) are sequentially attached to the carrier 30 as described above. In this state, the carrier 30 is wound on a reel or the like and sent to the next process.
[0018]
(Second Embodiment)
FIG. 5 is a view showing a tape-like body 31 that is a base of a carrier 30A according to the second embodiment of the present invention, and shows a thing before bending, (a) shows a plan view, (b) FIG. 4A is a cross-sectional view showing a BB cross section of FIG. 6 is a view showing the carrier 30A formed from the tape-like body 31 of FIG. 5, wherein (a) shows a plan view and (b) shows a side view. Hereinafter, the second embodiment will be described mainly with respect to differences from the first embodiment.
[0019]
First, the holes 32 are formed in the tape-like body 31 as in the first embodiment. Further, a slit 35 is formed at a predetermined position between the outer edge portion of the hole 32 and both end portions of the tape-like body 31 at a substantially central position of the hole 32 in the longitudinal direction of the tape-like body 31. The line of the slit 35 is formed so as to be in the longitudinal direction of the tape-like body 31. Here, the slit 35 can be formed simultaneously with the punching of the hole 32.
[0020]
Subsequently, a groove 33A having a V-shaped cross section is formed between the outer edge of the hole 32 and the slit 35 by drawing. Thus, the outer side of the groove 33A in the width direction of the tape-like body 31 is a flat surface unlike the first embodiment. Further, as viewed from the side of the carrier 30A, the space formed by the groove 33A and the flat surface of the tape-like body 31 has a size that allows the lead wire to easily enter.
Next, the tongue-like piece 34 is bent as in the first embodiment. Thus, the carrier 30A is formed from the tape-like body 31.
In the carrier 30A, since flat surfaces remain at both end portions in the longitudinal direction of the tape-like body 31, since the flat surfaces serve as a guide portion of the roller when the carrier 30A is transferred, the carrier 30A can be easily transferred. Become.
[0021]
The electrolytic capacitor lead wire can be attached to the carrier 30A in the same manner as in the first embodiment. That is, if the tongue-shaped piece 34 is lifted, a lead wire is inserted into the space formed by the flat surface of the tape-like body 31 and the groove 33A from the side surface side of the carrier 30A, and lifting of the tongue-shaped piece 34 is released. good.
FIG. 7 is a plan view showing a state in which the lead wires 21 (with the electrode terminals 20 welded) are sequentially attached to the carrier 30A. In the second embodiment, the movement of the held lead wire 21 can be restrained by the flat surface outside the slit 35 in the width direction of the tape-like body 31 more than in the first embodiment. It is possible to more effectively prevent the lead wire 21 from falling off.
[0022]
Although one embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment, and various modifications can be made. For example, the lead wires 21 welded to the electrode terminals 20 may be attached to the carriers 30 and 30A, or only the lead wires 21 are initially attached and the electrode terminals 20 are welded to the attached lead wires 21. You may do it.
[0023]
【The invention's effect】
According to the present invention, since the lead wire is arranged in a space much larger than the outer diameter of the lead wire, the work of mounting the lead wire on the carrier becomes simple, and the work efficiency can be improved. Furthermore, since the lead wire is held by the urging force of the groove portion and the tongue-like piece after the lead wire is arranged, the lead wire can be completely fixed to the carrier and can be prevented from falling off the carrier. it can.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a view showing a carrier punched out according to a first embodiment of the present invention, (a) showing a plan view, and (b) showing a cross section taken along line AA of (a). The figure is shown.
FIGS. 2A and 2B are diagrams in which a groove portion is processed in the carrier of FIG. 1, wherein FIG. 2A is a plan view and FIG. 2B is a side view.
FIGS. 3A and 3B are side views for explaining a state when an electrolytic capacitor lead wire is attached to a carrier.
FIG. 4 is a plan view showing a state in which lead wires (with electrode terminals welded) are sequentially attached to a carrier.
FIGS. 5A and 5B are diagrams showing a punched and slit machined carrier according to a second embodiment of the present invention, FIG. 5A is a plan view, and FIG. 5B is a cross-sectional view taken along line BB in FIG. FIG.
6A and 6B are diagrams in which a groove portion is machined in the carrier of FIG. 5, in which FIG. 6A is a plan view and FIG. 6B is a side view.
7 is a plan view showing a state in which lead wires (with electrode terminals welded) are sequentially attached to the carrier of FIG. 6;
FIG. 8 is a plan view showing an example of a conventional carrier and lead wires of electrode terminals attached to the carrier.
[Explanation of symbols]
20 Electrode terminal 21 Lead wire 30, 30A Carrier 31 Tape-like body 32 Hole 33, 33A Groove 34 Tongue piece 35 Slit

Claims (3)

U-shaped punching holes are formed at regular intervals in the longitudinal direction of the tape-like body, and the outer edge portion of the punching hole and the tape-like shape at a substantially central position of the punching hole in the longitudinal direction of the tape-like body A lead for an electrolytic capacitor, wherein a groove portion having a V-shaped cross section is formed between both side end portions of the body, and a fixed end portion of a tongue-like piece inside the punched hole is bent toward the groove portion side. Line carrier. U-shaped punching holes are formed at regular intervals in the longitudinal direction of the tape-like body, and an outer edge portion of the punching hole and the tape at a substantially central position of the punching hole in the longitudinal direction of the tape-like body A slit is formed between both end portions of the shaped body, and a groove portion having a V-shaped cross section is formed by drawing in the longitudinal direction of the tape-like body between the slit and the outer edge portion of the punched hole. A lead wire carrier for an electrolytic capacitor, wherein the vicinity of the fixed end of the tongue-like piece inside the punched hole is bent toward the groove. The carrier of the electrolytic capacitor lead wire according to claim 1 or 2 is intermittently transferred, the lifting member is lifted from the lower side of the tongue-like piece, and the tongue-like piece is raised to a substantially horizontal position, A lead wire is inserted into the groove portion from the side, and the lifting member is lowered so that the lead wire is pressed and clamped in the groove portion by the tongue-shaped piece. apparatus.

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