JP2566823Y2 - Brazing machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brazing device having a brazing wire feeding mechanism capable of feeding a brazing wire made of a wire having a substantially circular cross section or a rectangular cross section.

[0002]

2. Description of the Related Art The applicant of the present invention previously devised a brazing device having a brazing wire feeding mechanism capable of feeding a brazing wire made of a wire having a substantially circular cross section or a quadrangular cross section. March 31 (Japanese Utility Model Application No. 3-97740)
Filed as a "brazing device".

More specifically, at least two soldering wire gripping means capable of allowing advancement of a soldering wire but hindering its retreat by a wedge action are arranged concentrically in series with at least two gaps in the body. A repelling member is stretched between each of the soldering wire gripping means, and the soldering wire is moved to at least one of a front part and an intermediate part of the soldering wire gripping means to release the wedge action. It is a brazing device to which the means is attached.

[0004]

Generally, a brazing wire is wound around a bobbin or the like, and the brazing wire is drawn out from the bobbin for use. Further, when used, the brazing wire may be subjected to a force and bend (see FIG. 12). By the way, in the above-mentioned prior art, as a brazing wire feeding means,
Since a so-called ball chuck mechanism using the wedge action is used, it can cope with a wide variety of cross-sectional shapes of the soldering wire, and it is possible to draw out the necessary amount of the soldering wire by a simple operation as required. As described above, when the brazing wire is bent, the user tries to rotate the main body to direct the bent brazing wire to an arbitrary position, but the brazing wire, the brazing wire feeding means and the brazing wire itself are not connected. It turned, and the brazing wire could not be removed at an arbitrary position, and the usability was poor.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and is directed to a brazing machine having a mechanism for feeding a brazing wire made of a wire rod. At least two or more soldering wire gripping means capable of preventing retraction by wedge action are arranged concentrically in the body with at least two gaps provided therebetween, and a resilient member is provided between each of the soldering wire gripping means. Claims 1. A brazing device, comprising: a brazing device which is stretched, and which has a pressing means for moving a brazing wire to a front part or an intermediate part of at least one or more brazing wire gripping means and releasing a wedge action, wherein The gist of the invention is to provide a rotation preventing means for restricting the rotation of the brazing wire with respect to the wire.

[0006]

1, 2 and 3 show a first embodiment of the present invention. The main body 1 includes a front shaft 2 and a rear shaft 3, and the front shaft 2 and the rear shaft 3 are detachably fixed by means such as screwing. And inside the front shaft 2,
A slider-4 protrudes from the front shaft 2 and is slidably disposed inside the front shaft 2. At the front of the slider-4, a pressing cylinder 5 having a solder wire L protruding hole 5a (see FIG. 2) formed at an end thereof in an elliptical shape is screwed. Note that an elastic member 6 is disposed at an intermediate portion of the slider 4 in order to prevent the slider 4 and the pressing cylinder 5 from loosening. Further, a flat portion 4a is formed on the outer peripheral side surface of the slider-4, and is engaged with an inner flat portion 7a of the rotation stopper pipe 7 which is press-fitted inside the front shaft 2 (see FIG. 3). ).

[0007] A first soldering wire feeding means 8 described later is arranged inside the slider-4. Concentrically behind the first soldering means 8, the rear shaft 3
Inside, a second soldering wire feeding means 9 having substantially the same configuration as the first soldering wire feeding means 8 is disposed via a repelling member 10. Also, the rear end of the second soldering wire feeding means 9 is in contact with a step 3a formed inside the rear shaft 3, and prevents the second soldering wire feeding means 9 from moving backward. .

Next, the brazing wire feeding means 8, 9 will be described in detail. The soldering wire feeding means 8 is divided into a plurality of parts at the front, which can be freely opened and closed, and a chuck body 11 capable of holding the soldering wire L when closed, and a dish-shaped member formed on the outer surface of the head of the chuck body 11. Trochanter 13 placed on seat 12
A chuck ring 15 having an inclined surface 14 capable of slidingly guiding the trochanter 13 and closing the chuck body 11, and a chuck spring 16 for urging the chuck body 11 rearward against the chuck ring 15. ing.

Next, the operation will be described. When the pressing cylinder 5 is pressed with the fingertip (upward in the figure), the wedge action of the first brazing wire L feeding means 8 is released, and the pressing cylinder 6 is not gripped by the brazing wire L.
And only the first brazing wire feeding means 8 moves against the resilient member 10. In addition, since the brazing wire L is gripped by the wedge action of the second brazing wire feeding means 9, the brazing wire L does not move (see FIG. 2). Next, when the pressing operation is released, the pressing cylinder 5 and the first brazing wire feeding means 8 advance, and the first
The wedge action of the second soldering means 9 is released, and the wedge action of the second soldering means 9 is released, so that the soldering wire L moves forward (downward in the figure) and the soldering wire L is paid out. Thus, the brazing wire L is paid out by operating the pressing cylinder 5. Also, since the solder wire projecting hole 5a is formed in an elliptical shape, and the flat portion 4a of the slider-4 is engaged with the flat inner surface 7a of the rotation stopper pipe 7 which is press-fitted into the front shaft 2. When the brazing wire L is twisted, the brazing wire gripping means and the brazing wire do not rotate. That is, irrespective of the diameter and shape of the brazing wire L, various brazing wires L can be gripped as long as the brazing wire can pass through the brazing wire projecting hole 5a. In other words, there is no relative rotation between the main body 1 and the brazing wire L.

It is needless to say that the feed amount of the brazing wire L can be variously changed by appropriately changing the amount of pressing stroke of the pressing cylinder 5. Further, even when the brazing wires L having different diameters are used, the amount of expansion of the chuck body 11 is changed, so that the brazing wire L can be gripped. The corner is the chuck body 1
It can be gripped by entering into one slit portion.

FIGS. 4 and 5 show another embodiment of the above-mentioned embodiment, in which a pin 17 is projected from the outer peripheral side surface of the slider 4 and the pin 17 is formed in the front shaft 2. 2a is slidably fitted into 2a. Insert the pin 17 into the guide groove 2a.
By inserting the slider into the slider,
There is no relative rotation between 4 and the main body 1 (front shaft 2), and the brazing wire L does not rotate either.

FIG. 6 shows a second embodiment of the present invention, which will be described below. Guide holes 3a are formed in a straight line on the rear shaft 3 of the main body 1 at appropriate intervals. Into the plurality of guide holes 3a, the brazing wires L inserted vertically (in a wavy manner) are inserted, and are led to the first brazing wire gripping means 9. By inserting the brazing wire L into the guide hole 3a in this manner, the corner 3b of the guide hole 3a comes into contact with the brazing wire L and prevents the brazing wire L in the main body 1 from being twisted. A wire 18 such as a piano wire is attached to the rear end of the rear shaft 3 as shown in FIGS.
A holding portion 18a may be formed at the rear end of the wire, and a brazing wire L may be inserted into the holding portion 18a to eliminate the twist (see FIG. 7).
Further, a holding roller-2 is connected to the rear end of the rear shaft 3 via an arm 19.
0a, 20b are installed facing each other, and the holding rollers 20
Even if the brazing wire L is held between a and 20b, the twist is eliminated.

Further, as shown in FIG. 10 and FIG.
Rollers 21a and 21b are inserted into the cam grooves 22a and 22
2b is arranged so that the interval can be appropriately changed by the cam 22 provided with the roller 22a.
The second roller 23 is arced so as to be urged toward 21b.
Alternatively, a knock member 25 for pressing the arm 24 may be disposed via a resilient member 26. In operation, when the solder wire L is inserted into the main body 11, the knock member 25 is pressed and the second roller 23 is pressed.
(A gap is formed between the rollers 21a and 21b and the roller 23 to the extent that the solder wire L can enter), and the solder wire L is inserted. Reference numeral 27 denotes a knob for rotating the cam 22, and the cam 22 is rotated according to conditions such as the cross-sectional shape, thickness, and hardness of the brazing wire L, and the rollers 21a and 2a are rotated.
1b is adjusted to facilitate movement of the brazing wire L.

[0014]

The present invention relates to a brazing device having a mechanism for feeding out a brazing wire made of a wire material, the brazing wire gripping means being capable of allowing advancement of the brazing wire but hindering retreating by a wedge action. Are arranged concentrically in series with at least two or more gaps in the body, and a resilient member is stretched between the respective brazing wire gripping means, and at least one of the brazing wire gripping means is provided. A brazing device having a pressing means for moving a brazing wire to a front part or an intermediate part and canceling a wedge action, wherein the main body is provided with anti-rotation means for restricting rotation of the brazing wire with respect to the main body. Since the brazing wire is deployed, the brazing wire does not rotate with respect to the main body, so that it is possible to provide a brazing device having a good usability.

[Brief description of the drawings]

FIG. 1 is a half sectional view showing a first embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA corresponding to FIG.

FIG. 3 is a sectional view taken along line BB corresponding to a first example.

FIG. 4 is a main part front view showing another embodiment of the first embodiment.

FIG. 5 is a sectional view taken along the line CC corresponding to FIG. 4;

FIG. 6 is a partial cross-sectional view illustrating a second embodiment of the present invention.

FIG. 7 is a main part front view showing another embodiment of the second embodiment.

FIG. 8 is a front view of an essential part showing still another embodiment.

9 is a sectional view taken along line DD of FIG.

FIG. 10 is a longitudinal sectional view of a main part, showing still another embodiment.

FIG. 11 is a view as seen from an arrow E corresponding to FIG. 10;

FIG. 12 is a front view showing a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Front shaft 2a Guide groove 3 Rear shaft 3a Guide groove 3b Corner part 4 Slider 4a Flat part 5 Pressing cylinder 5a Projection hole 6 Elastic member 7 Rotation stop pipe 7a Inner flat part 8 First brazing wire feeding means 9 First 2 solder wire feeding means 10 repellent member 11 chuck body 12 seat 13 trochanter 14 inclined surface 15 chuck ring 16 chuck spring 17 pin 18 wire 18a holding hole 19 arm 20a roller 20b roller 21a Roller 21b Roller 22 Cam 22a Cam groove 22b Cam groove 23 Second roller 24 Arm 25 Knock member 26 Resilient member

Claims (1)

(57) [Scope of request for utility model registration] A brazing device having a mechanism for feeding a brazing wire made of a wire, wherein a brazing wire gripping means capable of allowing advancement of the brazing wire but hindering retraction by a wedge action is provided concentrically. At least two or more gaps are arranged in series and disposed in the main body, and a resilient member is stretched between the respective brazing wire gripping means, and at least a front part or an intermediate part of one or more brazing wire gripping means. A brazing device equipped with a pressing means for moving a brazing wire to a part and releasing a wedge action, wherein said body is provided with anti-rotation means for restricting rotation of the brazing wire with respect to the main body. Characterized brazing device.