JPH10190206A - Method and device for wave soldering - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wave soldering device capable of easily controlling a solder-material surface level during operation. SOLUTION: A solder material surface in a tank body 21 is partitioned into the plural numbers by vertical plate type parting plated 22, and a jet tank section 23 and a suction tank section 24 are parted and formed. A solder material in the jet tank section 23 is lifted by electromagnetic induction pumps 31, 32 for a jet, and jetted by nozzles 27, 28. The solder material in the suction tank section 24 is sucked by an electromagnetic induction pump 33 for forming a head, and forwarded to the lower section of the jet tank section 23, and a solder-material surface level in the jet tank section 23 is pushed up. The solder material in the jet tank section 23 is circulated to the suction tank section 24 through communicating holes formed to the parting plates 22. Accordingly, a brazing material height level, where solder-material jet waves jetted from the nozzles 27, 28 and a work P are brought into contact to each other, is elevated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a jet-type brazing method used for brazing (including soldering) components mounted on a board, and an apparatus therefor.

[0002]

2. Description of the Related Art As shown in FIG. 7, a conventional jet brazing apparatus comprises a pump 12 and a nozzle 13 for jetting a molten brazing material supplied by the pump 12 in a tank body 11.
(A component mounting board) P conveyed on the nozzle 13 by the brazing material jet wave W jetted from the nozzle 13
To brazing.

[0003] Brazing filler metal surface level 14a in pump operation
Falls below the brazing filler metal surface level 14b when the pump is stopped, but is kept at a constant height during the pump operation. For this reason, during the pump operation, the brazing height level at which the jet wave W jetted from the nozzle 13 by the pumping force and the workpiece P come into contact was also constant.

[0004]

In order to adjust the brazing height level, the height of the bath body itself is adjusted relative to the work transfer level, or the rotational speed of the rotating blades of the pump 12 is adjusted. Need to adjust. These adjustments must be performed after the brazing operation is stopped, and the adjustment work is not easy.

[0005] Further, since the brazing filler metal surface level 14a in the tank during pump operation is maintained at a constant height in the entire region of the tank 11, unnecessary substances such as oxides floating on the brazing filler metal surface are kept. However, there is a problem that it is diffused throughout the inside of the tank and is difficult to collect.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to enable easy control of the brazing filler metal surface level during operation, and to remove unnecessary substances floating on the brazing filler metal surface. It is intended to be collected at one place in the body to facilitate collection.

[0007]

According to the first aspect of the present invention, there is provided a jet brazing method in which a brazing material in a molten state is jetted from a nozzle in a tank body to braze a workpiece conveyed on the nozzle. In the method, a brazing material is supplied from a tank portion on a side without a nozzle partitioned by a partition plate into a tank body to a tank portion on a side with a nozzle, so that a jet flow with a drop in the brazing material surface level between the tank portions is provided. It is a formula brazing method.

[0008] Then, by raising the brazing filler metal surface level in the tank portion on the side where the nozzle is located, the brazing height level at which the brazing material jet wave jetted from the nozzle comes into contact with the work is raised. On the other hand, by lowering the brazing filler metal surface level in the tank part without the nozzle, unnecessary substances floating on the brazing filler metal surface in the tank part with the nozzle are dropped into the tank part without the nozzle. To collect.

According to a second aspect of the present invention, there is provided a jet brazing apparatus in which a brazing material in a molten state is jetted from a nozzle in a tank to braze a work conveyed on the nozzle. A vertical plate-shaped partition plate for dividing the brazing filler metal surface into a plurality of parts, a jet tank portion and a suction tank portion defined by the partition plate, and a communication for communicating the jet tank portion and the suction tank portion provided on the partition plate. A jet brazing apparatus comprising: a jet pump for supplying a brazing filler metal in a jet tub to a nozzle; and a pump for forming a head for supplying the brazing filler metal in a suction tub to the jet tub.

When the flow rate of the brazing material flowing into the jet tank from the suction tank is increased by the head forming pump,
Accordingly, the drop between the brazing filler metal surface level of the jet tub and the brazing filler metal surface level of the suction tub also increases, so that the flow rate of the brazing filler metal flowing from the jet tub to the suction tub through the communicating part also increases. As the brazing filler metal surface level in the jet tank rises,
The brazing filler metal surface level in the suction tank part falls. When the surface level of the brazing material in the jet tank rises, the brazing material jet wave jetted from the nozzle by the jet pump also rises, and the brazing height level in contact with the workpiece also rises.

According to a third aspect of the present invention, there is provided a jet brazing apparatus in which a brazing material in a molten state is jetted from a nozzle in a tank to braze a workpiece conveyed on the nozzle. A vertical plate-shaped partition plate for dividing a brazing filler metal surface into a plurality of parts, a jet tank portion and a suction tank portion formed by the partition plate, an overflow portion for brazing material overflow provided at an upper end of the partition plate, and a jet tank. A jet brazing apparatus including a jet pump for supplying a brazing material in a portion to a nozzle and a head forming pump for supplying a brazing material in a suction tank portion to the jet tank portion.

Unwanted substances floating on the brazing filler metal surface in the jet tub due to the difference between the raised brazing metal surface level in the jet tub and the lowered brazing metal surface in the suction tub are removed from the partition plate. And falls into the suction tank part over the overflow part, and accumulates on the brazing filler metal surface in the suction tank part.

According to a fourth aspect of the present invention, in the jet brazing apparatus according to the second or third aspect, at least one of the jet pump and the head forming pump is an electromagnetic induction pump.

The electromagnetic induction pump maintains the brazing surface level in the jet tank and the brazing height of the brazing jet wave with high precision.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to a first embodiment shown in FIGS. 1 and 2, a second embodiment shown in FIG.
Description will be made with reference to the third embodiment shown in FIG. 4, the fourth embodiment shown in FIG. 5, and the fifth embodiment shown in FIG. 6, respectively. In addition, brazing means a high-level concept including soldering.

As shown in FIG. 1, a vertical plate-shaped partition plate for dividing a brazing material surface in a plane is provided at one corner in one tank 21 for accommodating a conductive brazing material such as tin or indium. The partition plate 22 defines a large-area jet tank section 23 and a small-area suction tank section 24. As shown in FIG. 2, the partition plate 22 is provided with a communication hole 25 as a communication portion for connecting the jet tank section 23 and the suction tank section 24. Notch grooves may be used as the communicating portions.

As shown in FIG. 1 or FIG. 2, a brazing material 26 in the jet tank 23 is
Electromagnetic induction pump as a jet pump for supplying to a pump
31 and a second electromagnetic induction pump 32. A third electromagnetic induction pump 33 as a head forming pump for supplying the brazing material in the suction tank 24 to the jet tank 23 is provided in the suction tank 24. Is provided.

Each of the electromagnetic induction pumps 31, 32, and 33 is a flat linear induction pump (FLIP), which is a type of a cage induction pump.

The first electromagnetic induction pump 31 for the jet is a tank body.
Vertical plate part set up on the work loading side of bottom plate part 34 in 21
The second electromagnetic induction pump 32 is provided vertically along 35
Are provided in the up-down direction along the vertical plate portion 36 of the tank body 21 on the work carry-out side. These electromagnetic induction pumps 31, 32 suck molten solder from below and move it upward.

On the other hand, a third electromagnetic induction pump for forming a head
33 is provided in the vertical direction along the vertical plate portion 35 on the work loading side in the tank body 21 similarly to the first electromagnetic induction pump 31. The electromagnetic induction pump 33 sucks molten solder from above and moves it downward by applying current in the opposite direction to the first and second electromagnetic induction pumps 31 and 32.

As shown in FIG. 2, the tank body 21 has a bottom plate portion.
The lower tank part 37 as a lower part of the jet tank part 23 is formed by the 34, the vertical plate parts 35 and 36 located below the work carry-in side and the work carry-out side, and a side plate part (not shown). The upper plate portion of the jet tank portion 23 is formed by the horizontal plate portions 38 and 39 located on the upper side of the side and the work discharge side, the vertical plate portions 41 and 42, the upper edges 43 and 44, and the side plate portions (not shown). I do.

Since the first electromagnetic induction pump 31 and the second electromagnetic induction pump 32 have exactly the same structure, FIG. 2 shows a cross section of the second electromagnetic induction pump 32 and the third electromagnetic induction pump 33. Indicated by The first electromagnetic induction pump 31 is positioned so as to overlap the other side of the third electromagnetic induction pump 33.

The first electromagnetic induction pump 31 and the second electromagnetic induction pump 32 are provided on the outer surface of each of the vertical plate portions 35 and 36 on the work loading side and the work unloading side in the tank body 21 with an induction coil 51.
Are placed in close contact with the vertical plate portions 35 and 36, respectively, and the secondary core 54 is disposed inside the vertical plate portions 35 and 36 with a brazing material moving gap 53 therebetween. It was done.

The primary cores 52 on the work loading side and the work unloading side are formed by stacking a large number of thin E-shaped iron plates in the width direction (perpendicular to the plane of FIG. 2). Are arranged vertically along the portions 35 and 36, and each groove 55
An induction coil 51 is wound therebetween.

Each of the E-shaped iron cores 52E is provided with a primary iron core pressing mechanism 81 in order to prevent a reduction in the efficiency of electromagnetic induction on the primary iron core side.
Thus, it is pressed against and adhered to the outer surface of the tank body 21.

In the primary core pressing mechanism 81, mounting plates 82 are integrally provided on the upper and lower portions of the vertical plates 35, 36 of the tank body 21, and a screw threaded plate 84 is integrally formed between the mounting plates 82 by screws 83. The pressing plate is provided by the tip of the screw 85 screwed into the screw screwing plate 84.
Press the back of each E-shaped iron core 52E individually through
The tip of the leg of the iron core 52E is brought into close contact with the vertical plates 35 and 36 of the tank 21.

The secondary iron core 54 is an I-shaped iron core formed by laminating a number of thin I-shaped iron plates in the width direction (perpendicular to the plane of FIG. 2), and a slope forming a suction port 56 at the lower end thereof. Part 57
Is provided at the upper end, and a core insertion hole 59 of the nozzle mounting base plate 58 is provided.
A slope portion 60 fitted inside is provided, and the iron core insertion hole 59 is provided.
The slope 60 forms a discharge port 61 that opens upward. The nozzle mounting base plate 58 is a horizontal plate part of the tank body 21.
It is attached to 38 and 39.

Further, by interposing a spacer (not shown) between the secondary iron core 54 formed in a flat plate shape and each of the vertical plate portions 35 and 36, a brazing material as shown in FIG. The moving gap 53 is formed. In addition, in order to prevent the efficiency of electromagnetic induction on the secondary core from decreasing, the secondary core pressing mechanism 86 presses the secondary core 54 against the spacer (not shown) so as to be in close contact with the spacer.

The secondary core pressing mechanism 86 includes vertical plate portions 35 and 36.
And a wedge plate portion 88a is integrally attached to the spring receiving plate 88. On the other hand, a secondary core 54 and a spring member (leaf spring) integrally attached to the secondary iron core 54 are attached. )
89 is detachably inserted from above through an iron core insertion hole 59 of the nozzle mounting base plate 58, and the spring member 89 lowered together with the secondary iron core 54 is engaged with the wedge plate portion 88a.

When the secondary core 54 is shifted upward, the spring member 89 integrated with the secondary core 54 is moved to the wedge plate portion of the spring receiving plate 88.
88a, the force of the spring member 89 pressing the secondary core 54 against the spacer (not shown) is weakened.
And the spring member 89 can be easily pulled upward.
This makes it possible to easily remove oxides and the like that have clogged the suction port 56 and the like, thereby facilitating maintenance.

In FIG. 2, a plurality of heaters 65 for melting the brazing material 26 are vertically arranged at the center of the lower tank 37 of the jet tank 23. The heater 65 is a sheath heater that is long in the width direction (perpendicular to the plane of FIG. 2).

Further, the first electromagnetic induction pump 31 and the second
A turbulent jet wave (hereinafter referred to as a primary jet wave W1) is obtained by irregularly jetting the brazing material 26 above the electromagnetic induction pump 32 of FIG.
And a second nozzle for forming a smooth rectifying finish jet wave (hereinafter referred to as a secondary jet wave W2) disposed downstream of the primary nozzle 27 in the work transfer direction. Next nozzles 28 are provided.

That is, as shown in FIG. 2, the primary nozzle 27 is mounted on the nozzle mounting base plate 58 on the work carry-in side, and the secondary nozzle 28 is mounted on the nozzle mount base plate 58 on the work carry-out side.

The primary nozzle 27 is provided with a jet plate 72 having a large number of jet holes formed in an opening 71 at an upper end thereof. Forming W1.

The secondary nozzle 28 has a convex portion 73 bulging in the direction of movement of the work P, an upper plate 74 projecting from the convex portion 73 in a direction opposite to the direction of movement of the work P, and A brazing filler hole formed in the shape of a horizontal slit below the upper plate 74
75 and a lower plate portion provided below the brazing filler hole 75.
76, and forms a smooth secondary jet wave W2 for shaping and finishing, which jets in a rectifying manner in a direction opposite to the traveling direction of the work P.

Next, a first electromagnetic induction pump 31 provided vertically along the vertical plate portion 35 of the tank body 21 on the work loading side.
Is composed of two sets of electromagnetic induction pumps 31a and 31b arranged in the width direction of the work P as shown in FIG.
The second electromagnetic induction pump 32 provided vertically along the vertical plate portion 36 on the work unloading side of the tank body 21 also has two sets of electromagnetic induction pumps arranged in the width direction of the work P as shown in FIG. pump
It consists of 32a and 32b.

Further, the brazing material moving gap 53 is composed of two sets of brazing material moving gaps 53a and 53b arranged in the width direction of the work P as shown in FIG. As shown, it is composed of two sets of discharge ports 61a and 61b arranged in the width direction of the work P.

Then, the first and second electromagnetic induction pumps
31 and 32 are two sets of electromagnetic induction pumps 31a, 31b or 32a
, 32b and the two discharge ports 61a, 61b are surrounded by a common nozzle 27 or 28, so that the wave height distribution is uniform over the entire longitudinal width of the nozzles 27, 28. Primary jet wave W1 or secondary jet wave W2
Is obtained. For this reason, it is possible to cope with a work having a large width dimension which cannot be coped with by only one discharge port 61a.

On the other hand, as shown in FIG. 2, the third electromagnetic induction pump 33 has a suction port 56 at the upper end of the brazing material moving gap 53.
And a discharge port 61 is provided at the lower end. However, since the structure is completely the same as that of the first and second electromagnetic induction pumps 31 and 32, the corresponding parts are denoted by the same reference numerals. The description of the structure is omitted.

Next, the operation of the illustrated embodiment will be described.

First and second electromagnetic induction pumps 31, 32
Is supplied with an alternating current such as a three-phase alternating current to the induction coils 51 arranged vertically along the brazing material moving gap 53 of the conductive brazing material, so that a moving magnetic field is generated in the brazing material moving gap 53. To generate an electromotive force due to electromagnetic induction in the conductive brazing material 26 in the brazing material moving gap 53, and the current generated by the electromotive force of the brazing material 26 flows in the magnetic flux of the moving magnetic field. An upward thrust is applied to move the brazing material upward.

Thus, the brazing material 26 in the molten state melted by the heater 65 is supplied to the first and second electromagnetic induction pumps 3.
The air is sucked from each suction port 56 by 1 and 32,
Along the vertical plate portions 35, 36 on the workpiece carry-in side and the carry-out side of the workpiece, the brazing material moving gap 53 is discharged from the respective discharge ports 61, and the primary jet wave W is discharged from the primary nozzle 27 and the secondary nozzle 28.
The first and second jet waves W2 are jetted, and the components mounted on the board surface of the work P carried into and ejected from each jet wave are brazed to the board surface, and then fall into the jet tank section 23.

At this time, the primary jet wave W1 ejected from the primary nozzle 27 and moving irregularly in a protruding manner surely penetrates into the minute component gaps of the high-density mounting board, and is in all the brazing portions. Smooth secondary jet wave W2 that has good wettability and is formed into an arc shape by being ejected from the secondary nozzle 28
Corrects an excessive primary brazing portion and corrects a so-called bridge or a brazing defect such as an icing.

On the other hand, the third electromagnetic induction pump 33 operates in the opposite direction to the first and second electromagnetic induction pumps 31, 32,
By applying a downward thrust to the brazing material 26 in the brazing material moving gap 53 and moving the brazing material downward, the brazing material is sucked from the suction tank portion 24 partitioned by the partition plate 22 into the tank body 21, The brazing filler metal is supplied under pressure into the lower tank section 37 of the jet tank section 23.
As a result, the level of the brazing filler metal surface 26a of the jet tank part 23 is raised, and the level of the brazing filler metal surface 26b of the suction tank part 24 is lowered, so that a drop is formed between the levels of the brazing filler metal surfaces 26a, 26b of the two tank parts. wear.

At this time, the pump discharge amount of the third electromagnetic induction pump 33 can be freely and variably adjusted by controlling the frequency or voltage of the current supplied to the induction coil even during the brazing operation. When the flow rate of the brazing material flowing from the suction tank section 24 into the lower tank section 37 of the jet tank section 23 is increased, the brazing material flows from the jet tank section 23 to the suction tank section 24 through the communication hole 25 of the partition plate 22 accordingly. The level of the brazing filler metal surface 26a of the jet tank 23 and the suction tank
The drop from the level of the brazing material surface 26b of 24 becomes large, and the level of the brazing material surface 26a in the jet tank section 23 rises,
The level of the brazing filler metal surface 26b in the suction tank 24 is lowered.

When the level of the brazing filler metal surface 26a in the jet tank section 23 on the side where the nozzle is provided rises in this manner, the surface serving as a reference for the pump head rises.
The primary jet wave W1 jetted from the primary nozzle 27 by 31 and the secondary jet wave W2 jetted from the secondary nozzle 28 by the second electromagnetic induction pump 32 also rise, and the brazing height level in contact with the workpiece P is raised. be able to.

On the other hand, controlling the pump discharge amount of the third electromagnetic induction pump 33 is not only for variably controlling the brazing height level at which the jet waves W1, W2 come into contact with the work P, but also for controlling the brazing material. Brazing material surface 26a in jet tank section 23 due to consumption
It can also be used to prevent the lowering of the level and maintain the brazing material surface 26a at a constant level.

That is, as the brazing material is consumed, the jet tank 23
When the level of the brazing material surface 26a in the inside decreases, the brazing material surface 26a is controlled to be raised by that much and returned to the original level. This control may be automatically performed by a feedback control system while detecting the level of the brazing material surface 26a with a float switch or the like.

In such a level control, the jet tank section
The electromagnetic induction pumps 31 and 32 of the nozzle 23 are provided with a brazing filler metal primary jet wave W1 and a brazing filler metal secondary jet wave W2 jetted from the nozzles 27 and 28, respectively.
, Each brazing height level can be controlled with higher accuracy than in the case of using a rotating blade type impeller pump. Similarly, the electromagnetic induction pump 33 of the suction tank section 24 can control the level of the brazing filler metal surface 26a in the jet tank section 24 with higher precision than when a rotary blade type impeller pump is used.

Next, FIG. 3 shows an embodiment corresponding to the third aspect of the present invention, in which a communication hole is not provided in the partition plate 22 and the upper end of the partition plate 22 is connected to the brazing material surface in the jet tank section 23. By setting the same as the level of 26a, an overflow portion 91 for the brazing material overflow is provided at the upper end of the partition plate 22. Since other structures are the same as those of the embodiment of FIGS. 1 and 2, the same parts are denoted by the same reference numerals and description thereof will be omitted.

By the suction and discharge actions of the third electromagnetic induction pump 33, the level of the brazing material surface 26a in the jet tank 23 on the side with the nozzle is raised, and the suction tank 24 on the side without the nozzle is raised. By lowering the level of the brazing material surface 26b inside the brazing material surface 26a, 26b, the brazing material enters the suction tub portion 24 from the inside of the jet tub portion 23 over the overflow portion 91 of the partition plate 22 due to the head drop. Creates a state in which
With the flow of the brazing material, the brazing material surface 26a in the jet tank portion 23 is formed.
Unnecessary substances such as oxides floating in the above also fall into the suction tank part 24 over the overflow part 91 of the partition plate 22,
Since it is collected on the brazing filler metal surface 26b in the suction tank part 24,
Unnecessary substances can be prevented from being entrained in the first and second electromagnetic induction pumps 31, 32.
Can be removed by scraping from 24.

In the embodiment shown in FIG. 4, both the jet pump and the head forming pump are impeller pumps 92 and 93 having the shape of a rotary vane. This is an embodiment provided with. These impeller pumps 92 and 93 have an impeller 97 disposed in a casing 96 provided with a suction port 94 and a discharge port 95.

Next, in the embodiment shown in FIG. 5, both the jet pump and the head forming pump are impeller pumps 92 and 93 of a rotary vane type. This is an embodiment provided with.

Next, in the embodiment shown in FIG. 6, the jet pump is a rotary vane type impeller pump 92 and the head forming pump is an electromagnetic induction pump 33.

In each embodiment, the tank 21 is divided into two parts by one partition plate 22 to provide one suction tank part 24. A plurality of suction tank sections 24 may be provided by being divided or more.

[0056]

According to the first aspect of the present invention, the brazing material is supplied from the non-nozzle-side tank section partitioned by the partition plate into the tank body to the nozzle-side tank section. Since the brazing surface level between the nozzles has a drop, the brazing surface level in the tank on the side with the nozzle can be controlled freely even during operation, depending on the degree of the drop, and the brazing height at which the brazing material jet wave contacts the workpiece The level of the brazing material can be freely variably controlled, and the level of the brazing material in the tank can be prevented from lowering due to the consumption of the brazing material. In addition, unnecessary substances such as oxides floating on the brazing filler metal surface in the tank part on the side with the nozzle can be collected by dropping into the tank part without the nozzle, and the unnecessary substances can be easily removed.

According to the second aspect of the present invention, the brazing material in the suction tank is supplied into the jet tank by the head forming pump, and is circulated from the jet tank to the suction tank through the communicating portion of the partition plate. Therefore, by controlling the flow rate of the head forming pump, the head level of the brazing filler metal between the jet tank part and the suction tank part can be controlled, and the brazing filler metal surface level in the jet tank part can be freely controlled even during operation. , The brazing height level by the brazing material jet wave can be freely variably controlled, and the brazing material surface level in the jet tank section due to the consumption of brazing material is prevented, and the brazing material surface level is kept constant. Can also.

According to the third aspect of the present invention, the brazing filler metal in the suction tank is supplied into the jet tank by the head forming pump, and the brazing filler metal is supplied from the suction tank through the overflow provided at the upper end of the partition plate. Because the water is circulated to the spout, the undesired substances floating in the spout tank can be collected by the brazing material level drop between the spout tank and the suction tank so as to fall into the suction tank through the overflow section. , And prevent unwanted substances from being caught in the jet pump.
Unnecessary substances can be easily removed.

According to the fourth aspect of the present invention, the electromagnetic induction pump can control the brazing surface level in the jet tank section and the brazing height level of the brazing material jet wave with high accuracy, and can downsize the apparatus. In addition, manufacturing can be facilitated.

[Brief description of the drawings]

FIG. 1 is a plan view showing a first embodiment of a jet brazing apparatus according to the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view showing a second embodiment of the brazing device.

FIG. 4 is a sectional view showing a third embodiment of the brazing device.

FIG. 5 is a sectional view showing a fourth embodiment of the brazing apparatus.

FIG. 6 is a sectional view showing a fifth embodiment of the brazing apparatus.

FIG. 7 is a sectional view showing a conventional jet brazing apparatus.

[Explanation of symbols]

 21 Tank body 22 Partition plate 23 Jet tank part 24 Suction tank part 25 Communication hole as communication part 26 Brazing filler metal 26a, 26b Brazing filler metal surface 27, 28 Nozzle 31, 32 Electromagnetic induction pump as jet pump 33 Drop head forming pump Induction pump 91 as a work part Overflow part P Work W1, W2 Jet wave

Claims (4)

[Claims] In a jet brazing method, a brazing material in a molten state is jetted from a nozzle in a tank to braze a workpiece conveyed on the nozzle. A jet-type brazing method, characterized in that a brazing material level is provided between tank portions by supplying a brazing material from a tank portion on a side having no nozzle to a tank portion on a side having a nozzle. 2. A jet brazing apparatus in which a brazing material in a molten state is jetted from a nozzle in a tank body to braze a workpiece conveyed on the nozzle, wherein a brazing material surface in the tank body is divided into a plurality of parts. A vertical plate-shaped partition plate, a jet tank portion and a suction tank portion defined by the partition plate, a communication portion communicating the jet flow tank portion and the suction tank portion provided on the partition plate, and a wax in the jet flow tank portion. A jet brazing apparatus comprising: a jet pump for supplying a material to a nozzle; and a head forming pump for supplying a brazing material in a suction tank to the jet tank. 3. A jet brazing apparatus in which a brazing material in a molten state is jetted from a nozzle in a tank body to braze a workpiece conveyed on the nozzle, wherein a brazing material surface in the tank body is divided into a plurality of parts. A vertical plate-shaped partition plate, a jet tank section and a suction tank section defined by the partition plate, an overflow section provided at the upper end of the partition plate for brazing material overflow, and a brazing filler metal in the jet tank section are supplied to the nozzle. A jet-type brazing apparatus, comprising: a jet pump for performing a jet flow; and a pump for forming a head for supplying a brazing material in a suction tank to the jet tank. 4. The jet brazing apparatus according to claim 2, wherein at least one of the jet pump and the head forming pump is an electromagnetic induction pump.