JPS6211771B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a rubber bushing mounting device, and more specifically, the present invention relates to a rubber bushing mounting device, and more specifically, the lead wire of a capacitor element that has been inserted in advance into a lead wire insertion hole of a rubber bushing is pulled, and the lead wire tab is inserted into the rubber bushing's lead wire insertion hole. The present invention relates to a rubber bushing mounting device for fitting a rubber bushing.

In the capacitor manufacturing process, a capacitor element is inserted into an aluminum capacitor case, and a rubber bushing is fitted to the opening of the capacitor case to seal the inside of the case from the outside and to insulate the lead wires of the capacitor element from the capacitor case. We are trying to

In the manufacturing method of such a capacitor,
First, pass the lead wire of the capacitor element with a lead wire into the lead wire insertion hole of the rubber bushing, fit the tab of the lead wire into the insertion hole, and assemble the capacitor element and rubber bushing. Then, install the assembly inside the capacitor case. However, conventionally, the tab is inserted into the insertion hole by pressing the butt (lower part) of the capacitor element against the rubber bushing. (The insertion hole has a slightly larger diameter than the tab, so there is resistance to insertion, so the force is applied to the connection between the tab and the electrode foil that makes up the capacitor element.) This causes the problem of looseness, resulting in poor electrical connection.

The present invention has been made in view of the above problem, and its purpose is to hold and pull the lead wire of a capacitor element, move the capacitor element relative to a rubber bushing, and insert the tab of the lead wire into the insertion hole of the rubber bushing. An object of the present invention is to provide a rubber bush mounting device which is fitted with a rubber bushing and thereby prevents poor contact between the tab and the electrode foil.

The rubber bushing mounting device according to the present invention includes a support member, a pair of openable and closable regulating plates that regulate the lead wire of a capacitor element, and a pair of openable and closable holding claws that hold the rubber bushing into which the capacitor element is inserted. A rubber bushing holding mechanism that is provided vertically on a member and in which the regulation plate and the holding claw can be opened and closed separately; a movable operation that is movable relative to the rubber bushing holding mechanism; and a lead wire holder that can be opened and closed by the movable operation. and a lead wire pulling mechanism that holds the lead wire and moves the capacitor element relative to the rubber bush held by the rubber bush holding mechanism, and the rubber bush is held by the holding claw. The lead wire regulated by the front plate is held by a lead wire holding claw, and the lead wire is moved relative to the rubber bushing, thereby fitting the tab of the lead wire into the insertion hole.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a rubber bush mounting device according to the present invention will be described below with reference to the drawings.

The rubber button mounting device of this embodiment is constructed with a rubber button holding mechanism 2 and a lead wire tensioning mechanism 4, and a plurality of rubber button holding mechanisms 2 are arranged at equal intervals around a turntable 10 which is intermittently rotated by a known method. is attached to.

Each rubber bushing holding mechanism 2 consists of a lead wire regulating chuck 30 and a rubber bushing holding chuck 20, which are attached vertically to a pair of support pins 11 and 12 vertically fixed to the periphery of the turntable 10. The rubber bush retaining chuck 20 has a pair of retaining pawls 21 and 22 which are pivotally connected to the support pins 11 and 12 and biased toward each other in a closed position by springs (not shown). Semicircular notches 23 and 24 are respectively formed to form holding holes. The holding claws 21 and 22 are interlocked by teeth 25 and 26 formed thereon meshing with each other, and one of the holding claws (for example, 22) is
Both retaining claws can be opened at the same time by rotating in this direction.

The regulating chuck 30 is pivoted to the support pins 11 and 12, and includes a pair of regulating plates 31 which are urged to a closed position (a position where the lead wire is sandwiched) by a spring 33.
and 32. A roller 34 is rotatably attached to the rear end of the regulating plate 31. The regulation plates 31 and 32 are engaged by protrusions 35 and 36, so that by rotating the regulation plate 31, the other regulation plate 32 can be rotated simultaneously.
The regulation plate 31 is further biased into the closed position by a spring 37. Note that 38 is a stopper for the regulation plate 31.

This regulating chuck opens as shown in FIG. 1 when the roller 34 at the rear end of the regulating plate 31 engages with the cam surface 60 of the cam plate 6 provided above the turntable 10. There is.

The lead wire tensioning mechanism 4 includes a hollow support shaft 40 provided at a predetermined position around the turntable so as to be movable up and down, a movable member ie a bracket 41 fixed to the upper end of the support shaft 40, and a movable member 41 fixed to the upper end of the support shaft 40. An opening/closing shaft 42 that moves up and down along with the opening/closing shaft 42 but is rotatable relative to the support shaft, an opening/closing lever 43 fixed to the upper end of the opening/closing shaft 42, and a lead wire holding chuck 50 attached to the end of the bracket 41. have.

The lead wire holding chuck 50 has a pair of holding pawls 53 and 54 which are pivotally attached to the ends of the bracket 41 by support pins 51 and 52, respectively, and are urged to the closed position by a spring 55. A roller 56 is attached to the rear end (upper end) of one of the holding claws 53. The holding claws 53 and 54 are interlocked by their arcuate gear portions 57 and 58 meshing with each other, and by rotating one (the holding claw 53), the other can be rotated simultaneously. ing.

The lead wire pulling mechanism 4 rotates the opening/closing lever in the direction of arrow Y in FIG. 4 by rotating the opening/closing shaft 42, thereby opening the holding claws 53, 54.

In the rubber bush mounting device having the above configuration, the rubber bush holding mechanism has a rubber bush holding chuck to hold the rubber bush b, and a lead wire regulating chuck to clamp and regulate the lead wires l ₁ and l ₂ as shown in FIG. the insertion hole b so that the entire capacitor element is supported by
A combination of a rubber bushing and a capacitor element, through which lead wires l ₁ and l ₂ of the capacitor element e are inserted in advance, is held inside. When the rubber bushing and the capacitor element come to the position of the lead wire pulling mechanism due to the intermittent rotation of the turntable, the holding chuck 50 is opened by the opening/closing lever 43, and the support shaft 40 and opening/closing shaft 42 are lowered together, and then the holding chuck 50 is opened. When closed, the lead wires l ₁ and l ₂ are held by a pair of holding claws 53 and 54.

Next, the support shaft and the opening/closing shaft 42 are raised together with the holding chuck. Therefore, the lead wires l ₁ and l ₂ are raised relative to the rubber bush a, and the large diameter tabs t ₁ and t ₂ of the lead wires are fitted into the lead wire insertion holes b of the rubber bush a. In this case, the lead wires l ₁ and l ₂ and the tabs t ₁ and t ₂ are strongly connected, so even if some resistance is applied due to friction when the tabs enter the insertion holes, the lead wires will not come out from the tabs. Moreover, it does not affect the connection between the tab and the aluminum foil.

As is clear from the above description, according to the present invention, since the lead wire is simply pulled when attaching the rubber bushing to the capacitor element, there is no need to apply unnecessary force to the capacitor element. It is possible to obtain a rubber bush mounting device that does not adversely affect the connection portion between the electrode foil and the electrode foil, and does not cause electrical contact failure.

[Brief explanation of the drawing]

Figure 1 is a plan view of the rubber bush holding mechanism, Figure 2
The figure is a cross-sectional view taken along the line - in figure 1.
The figure is a sectional view of the lead wire tensioning mechanism, and Figure 4 is a sectional view of the lead wire tensioning mechanism.
FIG. 5, which is a view taken along the line in the figure, shows how to attach the rubber bushing. 1: turntable, 2: rubber bushing holding mechanism, 20: rubber bushing holding chuck, 30: lead wire regulation chuck, 4: lead wire tensioning mechanism.

Claims (1)

[Scope of Claims] 1. A supporting member, a pair of openable and closable regulating plates that regulate the lead wire of a capacitor element, and a pair of openable and closable holding claws that hold a rubber bush into which a capacitor element is inserted are attached to the supporting member. A rubber bush holding mechanism which is provided one above the other and whose regulation plate and holding claw can be opened and closed separately; a movable body which is movable relative to the rubber bush holding mechanism; and a lead wire holding claw which can be opened and closed on the movable body. A rubber bushing mounting device comprising: a lead wire tensioning mechanism that holds and moves the lead wire to relatively move a capacitor element with respect to the rubber bush held by the rubber bush holding mechanism.