JP2000135535A - Diode element wire bend forming tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To carry out diode bending easily and minutely. SOLUTION: This bend forming tool is provided with a reference roll 22 which has a peripheral face to regulate a bending radius of an element wire 2b extending from one end of the element body 21 being held at a holding part 21, wherein the holding part 21 is installed for holding a diode 2 element main body needing a bend processing. A bending roller 23 is arranged in a way that a manual operation thereof is possible for bending the element wire 2b by cooperation with the reference roll 22. Bending of the element wire 2b can thus be carried out minutely and easily, while eliminating a need of a skilled operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire bending tool for a diode.

[0002]

2. Description of the Related Art FIG. 6 is a perspective view of an electric wire assembly on which a diode to which the present invention is applied is mounted. Referring to FIG. 1, there is an electric wire assembly A in which some electric wires W <b> 1 to W <b> 3 are connected to a connector 1, to which a rectifying diode 2 is connected. The diode 2 has an element body 2a and continuous wires 2b and 2c on both sides of the element body 2a. One of the wires 2b is connected to the ground terminal 4 via the joint terminal 3 and to the other end. The other strand 2c is connected to one wire W1 connected to the connector 1 via the joint terminal 6 while being connected to the other end of the ground wire W4 included in the portion.

FIG. 7 is a partially enlarged view showing a production specification of the electric wire assembly A of FIG. As shown in the figure, in the diode 2, the wire 2b connected to the ground wire W4 can be bent with a relatively tight dimensional tolerance according to a certain dimensional standard (dimensions X, Y, r). Has been requested. Conventionally, in order to perform such a bending process, a hand tool such as pliers has been used, or the bending process has been performed with completely bare hands.

[0004]

However, when the bending of the diode 2 is performed manually as described above, the workability is poor, and the finished dimensions often vary. For this reason, the work required skill, and the yield was poor. The present invention has been made in view of the above problems, and has as its object to provide a diode wire bending tool capable of easily and precisely bending a diode.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a holding portion capable of holding an element body of a diode requiring bending, and an element extending from one of the element bodies held by a receiving portion. A reference roll having a peripheral surface capable of defining a bending radius of the wire, and a bending roller provided so as to be relatively displaceable with respect to the reference roll, and interposing the wire between the reference roll and rolling contact with the wire. And an operating part for rotating the bending roller around the center line of the reference roll in order to bend the wire held between the reference roll and the bending roller. It is a musical instrument.

[0006] In the invention including this specific matter, the element wire of the diode is sandwiched between the reference roll and the bending roller, and the bending roller is rotated around the reference roll by the operation unit as it is, whereby the diode element body is formed. In combination with being held at a fixed position by the holding portion, the strand is bent along the peripheral surface of the reference roll in a state where the strand is precisely positioned.

In a preferred aspect, the apparatus further comprises a connector receiving portion for receiving a connector of the electric wire assembly to which the diode is assembled. According to the invention including the specific matter, it is possible to perform the bending process in a state where the wire assembly is held in an intended posture by the connector receiving portion.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
A preferred embodiment of the present invention will be described in detail. FIG. 1 is a perspective view illustrating an outline of a bending tool 10 according to an embodiment of the present invention. Referring to FIG. 7, a bending tool 10 according to the illustrated embodiment mainly includes a diode 2 attached to a wire assembly A having specifications described with reference to FIGS.
For bending the element wire 2b.

As shown in the figure, a bending tool 10 includes a long plate-shaped base 11, a connector receiving portion 13 erected on a base 12 attached to one longitudinal end of the base 11, and
And a bender unit 15 including a base 14 attached to the other end of the base 11. In addition, this musical instrument 10
Is a bender portion 15 in the width direction of the base 11.
An operator faces the right side, and the diode is bent.

The connector receiving portion 13 has a pillar portion 13a erected on the pedestal 12 and a holder portion 13b extending at the top of the pillar portion 13a and opening upward in a U-shape.
By introducing the wires W1 to W3 of the wire assembly A into the holder portion 13b and receiving the flange portion 1a of the connector 1 at the forked portion,
This is for receiving the electric wire assembly A in an intended posture at the time of bending. In this embodiment, the “expected posture” means that only the wire W1 having the diode 2 is bridged between the bender portion 15 along a substantially straight line, and the other wires W2 and W3 are connected to the base 11. Refers to the state of being distributed to both sides or one side in the width direction.

FIG. 2 is a perspective view showing a main part of the base 14 of the bending tool 10 of FIG. 1, and FIG. 3 is a perspective view of the base 1 of the bending tool 10 of FIG.
It is a perspective view which expands and shows each component attached to 4. Referring to these figures, the bender unit 15 includes a holding unit 21 for holding the element body 2a of the diode 2, a reference roll 22 for giving a bending reference for the held wire 2b of the diode 2, and a reference roll 22 for the bending. 22 in cooperation with 22
roller 23 for sandwiching b and performing a bending process
And a roller holder 24 for rotatably holding the bending roller 23 and an operation unit 25 as an operation unit for operating the bending roller 23 via the roller holder 24.
4 above.

Referring to FIG. 1 and FIG.
Is a resin molded product integrally having a top plate portion 14a and side plate portions 14b provided on both sides of the top plate portion 14a. Base 1
4 is provided at a position where the top plate portion 14a faces below the diode 2 of the electric wire assembly A held by the connector receiving portion 13. As shown in FIG.
a has a long hole 14c for receiving the holding portion 21 holding the diode 2, a mounting hole 14d for mounting the reference roll 22, and a guide groove 14e including an arc portion formed around the mounting hole 14d. Each component described below is fixed by an attachment member (not shown) inserted into each of the grooves 14c to 14e.
Or they are connected so that they can be guided.

Referring to FIG. 3, the holding portion 21 is a resin block, and is attached to the reference roll 22 at a position shifted toward the connector receiving portion in the longitudinal direction of the base 11. An undulation corresponding to the element main body 2a of the diode 2 is formed on the upper part of the holding portion 21. By placing the element main body 2a of the diode 2 on the undulation 21a, the element wire 2b is connected to the reference roll 22. Can be arranged along the tangential direction with respect to the peripheral surface of. In addition, it also has a function of positioning a position where the bending process is started with respect to the reference roll 22.
In the illustrated embodiment, the elongate hole 14c along the longitudinal direction of the base 11 is employed, and the starting position of the bending (dimension X in FIG. 7) is fixed so as to be adjustable.

Next, the reference roll 22 is mounted on the base 1.
4 has a roll portion 22a standing upright along a vertical line, and a large-diameter portion 22b formed concentrically in the middle of the roll portion 22a. A portion of the roll portion 22a above the large diameter portion 22b is a peripheral surface 2 for receiving the element wire 2b positioned by holding the element body 2a by the holding portion.
2c is formed. The peripheral surface 22c is set in accordance with a radius of curvature (dimension r in FIG. 7) corresponding to the strand 2b to be subjected to the bending process, whereby the bending dimension can be precisely defined. . Further, the portion of the roll portion 22a below the large-diameter portion 22b is, in the illustrated example,
It functions as a guide member for guiding a supporting portion of the bending roller 23 described below.

The bending roller 23 is embodied as a rolling bearing. Referring to FIG. 2 as well, the above-described guide groove 14e defines a base point P1 and an end point P2 separated by a stroke S1 in which the bending roller 23 can rotate about 180 ° around the roll part 22a. When the roller holder 24 carrying the bending roller 23 rotates about 180 ° from the base point P1 to the end point P2 along the stroke S1, the wire holder 2b sandwiched between the roll part 22a and Rolling contact is made so that the wire 2b can be bent around the roll portion 22a.

Here, from the base point P1 of the guide groove 14e, an extending portion 14f extending radially outward of the roll portion 22a is provided.
The roller holder 24 is configured to be displaceable by a stroke S2 between the end point P3 of the extension portion 14f and the base point P1 so that the bending roller 23 can be moved toward and away from the roll portion 22a. Make up. As a result, when the diode 2 is attached to and detached from the holding unit 21, the wire 2 is moved between the roll 22 a and the bending roller 23 by the stroke S 2.
b can be pinched / released, the wire 2b can be relatively firmly pressed in the bending operation, and the wire 2b is reliably released at the time of attachment / detachment, thereby facilitating the attachment / detachment work.

As shown in FIG. 3, the roller holder 24 for holding the bending roller 23 is a substantially rectangular resin molded product.
By inserting the lower portion of the rod 24a inserted in the vertical direction into the guide groove 14e, the bending roller 23 can reciprocate on a locus concentric with the reference roll 22. In the illustrated example, the roller holder 2
4, a guide plate 24b is provided in a cantilever manner, and the free end of the guide plate 24b that is concave in an arc shape can be arranged below the large diameter portion 22b of the roll portion 22a.

The operating section 25 includes a rod section 25a projecting from the roller holder 24 in a cantilever manner and extending outward from the reference roll 22, and a handle 25b attached to a free end of the rod section 25a. It is a handle-shaped member. Although not shown in the drawing, it is preferable that the rod portion 25a is bent upward at the free end side (the handle 25b side) from the middle to facilitate the operation of the operator.

Next, the operation of the illustrated embodiment will be described with reference to FIG. 3, FIG. 4 and FIG. 4 and 5 are perspective views showing an operation procedure of the bending tool 10 according to the embodiment of FIG. First, referring to FIG. 2 and FIG. 3, in the initial state, the operation unit 25 is previously pulled toward the worker indicated by the arrow D1, and the extension unit 14f is set.
The bending roller 23 is brought closer to the end point P3, and the bending roller 23 is opened with respect to the reference roll 22. In this state,
Connect the connector 1 of the wire assembly A to the connector receiving portion 13
, The diode 2 is mounted on the holding portion 21 so that the element wire 2b of the diode 2 extends between the reference roll 22 and the bending roller 23, and the wires W2 other than the wire W1 to which the diode 2 is connected, W3 (see FIG. 1) is distributed to both sides of the base 11. Next, the operation unit 25 is moved to the arrow D.
As shown by reference numeral 2, along the stroke S2 (see FIG. 2) of the extension portion 14f, the roll portion 22a and the bending roller 23 are pushed from the end point P3 toward the base point P1 toward the reference roll 22.
And the element wire 2b is sandwiched between them. Then, along the stroke S1 of the guide groove 14e, the base point P1 and the end point P
When the operation unit 25 is rotated in the counterclockwise direction in the figure toward the direction 2, as shown in FIG.
2, the element wire 2b is pinched and revolves around the roll portion 22 while keeping rolling contact. Then, as shown in FIG. 5, the operation unit 25 reaches the end point P2 of the guide groove 14e.
Is operated to rotate the bending roller 23, the bending element wire 2b is bent into a shape having a preset specification (see FIG. 7). At this time, the reaction force acting on the element body 2a of the diode 2 is received by the holding portion 21, so that a load intended in advance is applied to the wire 2b, which requires work skill. It is possible to precisely and easily bend the wire 2b according to the standard. On the other hand, the wire 2c is in a state where no extra force is applied.

In the state of the end of bending shown in FIG. 7, the operating portion 25 is moved backward in the opposite direction to the above, and the roller holder 2 is moved from the base point P1 of the guide groove 14e to the end point P3 of the extending portion 14f.
By returning the wire 4 and releasing the wire 2b, the bent wire 2b can be pulled out upward as it is and can be easily removed. As described above, in the above-described embodiment, the element wire 2b of the diode 2 is sandwiched between the reference roll 22 and the bending roller 23, and
By turning the bending roller 23 around the reference roll 22 at 5, the element wire 2b can be bent.
There is a remarkable effect that the bending of the diode 2 can be performed easily and precisely.

The above embodiment is merely an example of a preferred specific example of the present invention, and the present invention is not limited to the above embodiment. It goes without saying that various design changes are possible within the scope of the claims of the present invention.

[0022]

As described above, according to the present invention,
Since the element wire of the diode can be bent along the peripheral surface of the reference roll, there is a remarkable effect that dimensional accuracy is improved and workability is improved. In particular, when bending the element wire of the diode assembled in the wire assembly, if a connector receiving portion for receiving the connector of the wire assembly is provided, the wire assembly can be held in an intended posture, and other components can be held. There is an advantage that the wire and the electric wire do not hinder the bending process, and the workability is further improved.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating an outline of a bending tool according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a main part of a base of the bending tool of FIG. 1;

FIG. 3 is an enlarged perspective view showing each component attached to a base of the bending tool of FIG. 1;

FIG. 4 is a perspective view showing an operation procedure of the bending tool according to the embodiment of FIG. 1;

FIG. 5 is a perspective view showing an operation procedure of the bending tool according to the embodiment of FIG. 1;

FIG. 6 is a perspective view of an electric wire assembly to which a diode according to the present invention is attached.

FIG. 7 is a partially enlarged view showing production specifications of the electric wire assembly of FIG. 6;

[Explanation of symbols]

 A wire assembly W1 wire W2 wire 1 connector 1a flange portion 2 diode 2a element body 2b element wire 2c element wire 10 bending tool 13 connector receiving section 14 base 15 bender section 21 holding section 22 roll section 22 reference roll 23 bending roller 24 Roller holder 25 Operation unit

Claims (2)

[Claims] 1. A holding part capable of holding an element body of a diode requiring bending, a reference roll having a peripheral surface capable of defining a bending radius of a wire extending from one of the element bodies held by a receiving part. A bending roller which is provided so as to be relatively displaceable with respect to the reference roll, and which comes into contact with the wire by sandwiching the element wire with the reference roll; and a wire held between the reference roll and the bending roller. An operating part for rotating the bending roller around the center line of the reference roll to bend the wire. 2. The diode wire bending tool according to claim 1, further comprising a connector receiving portion for receiving a connector of an electric wire assembly to which said diode is assembled.