JPH0510174B2 - - Google Patents

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a lead having two parallel lead wires used when performing processing operations such as welding and processing electronic components such as crystal oscillators. This invention relates to a line correction device.

(Composition of conventional example and its problems) Conventionally, lead wires were straightened when an operator manually set a workpiece such as an electronic part on a welding electrode or mold, and at the same time, the operator used his fingertips to straighten the lead wire. Otherwise, the lead wire bending was detected by a touch sensor, etc., the machine was stopped, and after the machine was stopped, the operator had to correct the lead wire bending, resulting in low machine operating rates and an obstacle to automation. .

(Object of the invention) The present invention eliminates the above-mentioned conventional drawbacks,
Before welding or press processing, to prevent damage to electronic parts and other workpieces and damage to welding pressure electrodes and press molds caused by lead wires being caught between welding pressure electrodes or press molds. The purpose of this process is to correct bends in lead wires and improve production efficiency.

(Structure of the Invention) The present invention provides a lead wire straightening device for straightening a bend in a lead wire of an electronic component, etc., which is composed of two parts, a cap and a base, and has two parallel lead wires attached to the base part. a leaf spring that presses down the base of the electronic component; a comb-shaped correction fitting having a plurality of V-shaped or equivalent guide shapes that corrects the bending of the lead wire; means for pressing the base with a plate spring by moving it forward horizontally and then lowering it; and a means for holding the correction fitting from the outside in the direction in which the lead wires are lined up in a direction intersecting the two parallel lead wires; and a means for pressing the two lead wires with a straightening metal fitting so as to approach the center so that the lead wires are bent, and after the base is pressed by the leaf spring, the lead wire bending is corrected by the straightening metal fitting. This is what I did. With this configuration, the lead wire can be corrected within the range of the lead wire relief hole provided in the welding pressure electrode or the press mold on the pressure side, and welding or press processing can be performed without deforming or damaging the lead wire. becomes possible.

(Explanation of Examples) Next, embodiments of the present invention will be described.

FIG. 1 shows an exploded perspective view of an electronic component to be corrected used in the present invention, in which 1 is a base, 2 is a cap, and 3 is a lead wire.

FIG. 2 shows a sectional view of one of the electronic components shown in FIG. 1, in which one with a bent lead wire is set in the fixed electrode 4 for welding.

FIG. 3 shows a front view of an embodiment showing the structure of the lead wire straightening device of the present invention, FIG. 3 shows a plan sectional view of the lead wire correction fitting part in FIG. 3.

In FIG. 3, when the air cylinder 5 fixed to the bracket 24 moves forward, the block 6 fixed to the rod of the air cylinder 5 moves forward, and the leaf spring mounting plate 7 moves forward due to the restoring force of the spring 8. do. The leaf spring mounting plate 7 is fixed to the rod 9,
The rod 9 is floated by a spring 11 using a slide block 10 as a guide. When the leaf spring mounting plate 7 moves forward, the slide block 10 also moves forward along the rod 13, and the leaf spring 12 fixed to the leaf spring mounting plate 7 moves forward.

When the leaf spring 12 moves forward horizontally over a certain section,
Due to the slope of the lower surface of the bracket 14 which fixes the rod 13, the cam follower 15 attached to the end of the rod 9 is engaged with the slope of the bracket 14, and the leaf spring mounting plate 7 moves downward while moving forward. Therefore, the leaf spring 12 presses down the electronic component 16. At this time, the boss 17 fixed to the block 6 hits the block 18, and the link 1
Press 9. The block 18 is tensioned by a spring 20. When the link 19 moves forward, the block 22 operates with the center pin 21 as a fulcrum, and a plurality of comb-shaped orthodontic fittings 23 having a V-shape or an equivalent guide shape fixed to the block 22 move around the center pin 21. It performs a rotational movement using the electronic component 16 as a fulcrum, approaches the center so as to sandwich the lead wire of the electronic component 16, and corrects the lead wire to the center. In addition, 19′ shown in FIG.
22' and 23' are symmetrical parts facing the link 19, the block 22 and the straightening fitting 23, respectively. The bracket 24 and the bracket 14 are fixed to a base 25, and the base 25 is fixed to a main body or the like (not shown).

(Effects of the Invention) As explained above, according to the lead wire straightening device of the present invention, damage to welding electrodes, press molds, etc. and damage to workpieces such as electronic components can be prevented, and this device can be incorporated into a welding machine, etc. This has the advantage of promoting automation and improving production efficiency.

[Brief explanation of the drawing]

Figure 1 is an exploded perspective view of an electronic component to be corrected used in the present invention, Figure 2 is a sectional view of an electronic component with bent lead wires set in a fixed electrode for welding, and Figure 3 is FIG. 4 is a front view of one embodiment showing the structure of the lead wire correction device of the present invention.
FIG. 5 is a plan sectional view of the leaf spring portion that presses the base portion of the electronic component in the figure, and FIG. 5 is a plan sectional view of the lead wire correction fitting portion in FIG. 3. 1...Base, 2...Cap, 3...Lead wire, 4
...Fixed electrode for welding, 5...Air cylinder, 6,1
8, 22... Block, 7... Leaf spring mounting plate, 8, 1
1, 20... Spring, 9, 13... Rod, 10... Slide block, 12... Leaf spring, 14, 24... Bracket, 15... Cam follower, 16... Electronic component,
17...Boss, 19...Link, 21...Center pin,
23...Orthodontic fitting, 25...Base.

Claims (1)

[Claims] 1. In a lead wire straightening device that corrects bends in lead wires of electronic components, etc., which is composed of two parts, a cap and a base, and has two parallel lead wires attached to the base part, the base of the electronic component is held down. A leaf spring, a plurality of comb-shaped correction fittings having a V-shape or an equivalent guide shape for correcting the bending of the lead wire, and the leaf spring being moved horizontally forward for a certain distance and then lowered. means for pressing the base with a leaf spring;
Means for pressing the two lead wires with the correction metal fittings by moving the correction metal fittings closer to the center in a direction intersecting the two parallel lead wires so as to sandwich them from the outside in the direction in which the lead wires are lined up. and
A lead wire straightening device characterized in that the bending of the lead wire is corrected by the straightening fitting after the base is pressed down by the leaf spring.