CN1192844C - Welding device - Google Patents
Welding device Download PDFInfo
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- CN1192844C CN1192844C CNB001005014A CN00100501A CN1192844C CN 1192844 C CN1192844 C CN 1192844C CN B001005014 A CNB001005014 A CN B001005014A CN 00100501 A CN00100501 A CN 00100501A CN 1192844 C CN1192844 C CN 1192844C
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Abstract
To realize a soldering apparatus that consumes less power with easier maintenance and is not affected by stray current and induced current or the like without providing a pump drive means, such as a motor to the upper side of the solder and without the use of a solder tank of a capacity larger than that required. A motor 6 is arranged at the bottom 2 (external wall side) of a solder tank 1, a pipe 5 is provided on a melted solder liquid surface 4 from the tank bottom 2 of the solder tank 1, a rotary shaft 7 of the motor 6 is provided through the pipe 5 and is then connected to a hollow shaft 8 covering the pipe on the solder liquid surface 4. The hollow shaft 8 extends toward the bottom 2 of the solder tank 1 to generate a jet wave 29 of the solder 10 by rotating the pump 12 formed around the solder tank 1.
Description
Technical field
The present invention relates to a kind of device that is used to weld such as workpiece such as printed substrates, more particularly, relate to a kind of welder that can form molten solder wave, workpiece welds with molten solder wave.
Background technology
In Figure 18 and 19, showed a kind of known welder.With 100 the expression be a solder container, be used to store fusion welding 101.Fusion welding 101 is upwards penetrated from the open top 108 of nozzle 106 by pump 102, to form solder wave 120.Pump 102 has the rotor blade 103 of plurality of fixed on 105 121 in motor, and 105 in motor is bearing on the support plate 110 that is fixed on the solder container 100.Owing to have motor 105 and support plate 110, the size of container 100 is very big inevitably.
For avoiding the oxidation of fusion welding, wish to weld and in inert gas atmosphere, to carry out.Like this, usually, be provided with lid to close the headroom of solder container.Inert gas such as nitrogen is supplied in the lid.But,, must use big lid owing to there is motor 105.Therefore, must supply with a large amount of inert gases, to guarantee on the fusion welding of storage tank and on that part of printed substrate that contacts with solder wave, be nonoxidizing atmosphere.
Summary of the invention
The present invention carries out after the above problem of consideration.According to an aspect of the present invention, proposed a kind of welder, this welder comprises:
Open-topped container, this container is used to store fusion welding, and has the hole in its underpart;
Pipe, this pipe has the end of upper and lower opening, stretches upwards from described hole in described container, so that described upper open end is positioned on the surface of molten solder level that is stored in described container;
Driving shaft, this driving shaft is placed on the inboard of described pipe rotationally;
Drive unit, this drive unit can turn round, so that rotate described driving shaft;
Pump, this pump comprises pump case, it is placed on the interior its underpart of described container; Suck and floss hole, they are arranged in the described pump case; Rotor, it is placed in the described pump case; With the pipe axle, it is placed on the outside of described pipe, and coaxial with described driving shaft, and described pipe axle has the lower part, and this lower part is arranged in described pump case, and described rotor is fixed thereon; And top, this top is fixed on the described driving shaft, in order to therewith rotation; With
Welding tip, this solder nozzle is placed in the described container, and limit solder channel within it, described nozzle has first openend that is directed upwards towards and second openend, this second openend carries out fluid communication by described solder channel and described first openend, and be positioned at described pump described floss hole near
Thereby, when described drive unit turns round, described driving shaft rotates with described rotor, thereby fusion welding sucks the described pump case from described suction inlet, lead to described floss hole and described second openend, and from described nozzle discharge, so that on described first openend, form solder wave.
Description of drawings
Now will be described in detail the present invention in conjunction with the accompanying drawings, wherein:
Fig. 1 is a vertical cross section, and it has schematically represented a preferred embodiment of scolder device of the present invention;
Fig. 2 is the vertical cross section similar in appearance to Fig. 1, and it has schematically represented another preferred embodiment of scolder device of the present invention;
Fig. 3 to 5 is partial vertical sectional view of welder, and welder has the various recommended structures of pipe and its associated pump;
Fig. 6 is the perspective view of the shell of welder among Fig. 2;
Fig. 7 is the perspective view of the flange member of welder among Fig. 2;
Fig. 8 is the perspective view of the flange member of the shell of Fig. 6 and Fig. 7 when being in assembled state, and the rotor of sub-assembly and pump separates;
Fig. 9 is the profile along Fig. 8 center line I-I intercepting, is used for illustrating fusion welding flowing at solder nozzle;
Figure 10 is the perspective view of the welder of Fig. 2 when being in non-driven state;
Figure 11 is a plane graph, and it has schematically represented to comprise the recommendation welding system of welder among Fig. 2;
Figure 12 to 16 is the vertical cross sections similar in appearance to Fig. 1, and they have schematically showed other preferred embodiment of welder of the present invention;
Figure 17 is the vertical cross section similar in appearance to Fig. 1, and it has schematically showed the another preferred embodiment of welder of the present invention, and this welder is provided with welding ripple control device;
Figure 18 is the perspective view that is in the common welder of non-driven state; With
Figure 19 is the profile along Figure 18 center line II-II intercepting.
Embodiment
Now please refer to Fig. 1, the welder 30 that the present invention proposes comprises open-topped container or storage tank 1, is used to store fusion welding 10.Scolder maintains molten condition in a usual manner by the heater (not shown) in container 1.Container 1 has hole 3 at diapire 2.Pipe 5 application examples of an equal opening of upper/lower terminal are as welding so that be connected with hole 3, and in container 1 from hole 3 stretch upwards in this wise (shown in situation for vertically upward) so that upper open end is arranged on the surface level 4 of the fusion welding 10 that is stored in container 1.
Being inserted in pipe rotationally in 5 is an interior driving shaft 7, and it is connected with drive unit 6 in operation, and drive unit 6 comprises the motor 6a that is fixedly secured on the diapire 2.Driving shaft 7 stretches out from managing 5 upper end.
A cylindrical tubular axis 8 is placed on the outside of pipe 5, and this pipe axle 8 is coaxial with driving shaft 7, and is fixed to the top of driving shaft 7 with screw 9, so that rotate jointly with it.Pipe axle 8 has following neighboring part, and the rotor 12 with some rotor blades 11 is thereon fastening.Pipe axle 8 is used for driving shaft 7 rotatablely moved and transfers to rotor 12, and can have the structure of any hope.For example, in an illustrated embodiment, pipe axle 8 shapes are pipe lid, and it is only at lower ending opening, as needs, but in axle 8 also shaped hole or eyelet.
Like this, pipe axle 8, pump case 16 and rotor 12 combine and constitute pump P.When motor 6 running, driving shaft 7 is with rotor 12 rotations, thereby fusion welding and is discharged from floss hole 15 from suction inlet 13 suction pump housings 16 eccentrically.Rotor 12 preferably is provided with annular slab 14, and it is fixed to the downside of rotor blade 11.Annular slab 14 is as guide plate, and the fusion welding that is positioned at blade 11 periphery edges with prevention flows downward, and improves pumping efficiency.
Be placed on the solder nozzle 19 in addition in the container 1, it defines solder channel 19a within it.Nozzle 19 has first openend that is directed upwards towards 28, and this openend 28 is positioned on the surface of molten solder level; With the second openend 19b, this second openend 19b be positioned at pump P floss hole 15 near.Like this, when pump P turned round, fusion welding 10 was discharged from nozzle 19, thereby forms solder wave 29 on first openend 28.
In above embodiment,, there is not the support plate 110 of supporting motor 105 as shown in figure 18 because drive unit 6 is arranged under the container 1.Therefore might adjacent nozzle 19 and pump P is set, like this, the inboard volume of container 1 is compared with known welder can be smaller.Thereby the volume that is stored in the fusion welding in the container 1 can reduce.
In addition, because on solder surface, there is not barrier, the lid at solder container 1 top might be set near solder wave such as motor.Therefore, the amount of inert gas that is supplied to space between lid and the container can reduce.Also have, owing to there is pipe 5, driving shaft 7 can be sealed well and be isolated with the fusion welding 10 in the container 1.
The various embodiment of the scolder device that the present invention proposes are showed among Fig. 2 to 17, and wherein same numeral is in order to the expression same parts.In following specification, the explanation of these same parts will be omitted.
In the embodiment shown in fig. 1, the oxide of fusion welding 10 is easy to be deposited on the lateral wall of rotational circle tubular axis 8 comprising surface of molten solder level 4 zones.This problem is resolved in welder shown in Figure 2.Please refer to Fig. 2, lid 40 is placed to the top that covers cylindrical tubular axis 8, so that define a gap betwixt.Lid 40 is provided with outlet 41, and it is shaped as the L shaped pipe that portion from it stretches out, and has openend 41a, and this openend 41a is positioned under the surface level 4 of fusion welding 10.Lid 40 has under shed 23, and it is submerged in the fusion welding 10, and fluid communication is carried out by it and floss hole 15 in the gap, thereby when rotor 12 rotations of pump P, fusion welding 10 is imported gaps by under shed 23 as shown by arrows, and discharges from exporting 41.
Because the oxidation of scolder does not take place in the fusion weld materials flow in pipe axle 8 contact gaps more than the fusion welding surface level on pipe axle 8.In this embodiment, lid 40 is integrally formed on the flange member 18, and it and shell 17 constitute nozzle 19 and pump case 16 jointly, hereinafter will be illustrated this.
As shown in Figure 3, spiral ridge 61 can be formed on the neighboring of pipe axle 8, with fusion welding in the accelerating gap 10 flowing under shed 23 to outlet 41.
Embodiment shown in Figure 4 also has the spiral ridge 61 similar in appearance to Fig. 3 embodiment.In this embodiment, lid 40 separates with flange member 18, but is fastened to the top of container 1 by supporting arm 62 and screw 24.
Please refer to Fig. 5, lid 40 is arranged to cover the top of pipe axle 8, so that limit a gap betwixt.Lid 40 has inert gas supply port 64 that is arranged in its top and the under shed that is submerged in fusion welding 10.Like this, when inert gas was supplied with by supply port 64, the space that is arranged in the gap on the surface level 4 of fusion welding 10 remained on inert gas atmosphere.Therefore, the oxidation of scolder can not take place on pipe axle 8.Identical with embodiment shown in Figure 4, lid 40 is fastened to the top of container 1 by supporting arm 62 and screw 24.
In the embodiment shown in 2 figure, drive unit 6 comprises motor 6a, and its driving axis is stretched in the direction of vertical drive shaft 7 (managing 5 just); With gear mechanism 32, this gear mechanism 32 is used for rotatablely moving of the driving shaft of motor 6a transmitted into the rotation of driving shaft 7.Because motor 6a is arranged in lateral position, from integral body, it is compact that welder becomes, and the inboard volume of container 1 can reduce.
The supplementary features of welder 30 shown in Figure 2 are that structure is so simple, and consequently the maintenance of device and cleaning can be implemented easily.This feature will be explained in conjunction with Fig. 6-10 outside Fig. 2 hereinafter more in detail.
Totally with 17 expressions be shell 17, it is placed in the container 1, and releasably is fastened to the position on the fusion welding of container 1.That is, shell 17 has diapire 17b and a pair of relative hard straight plate 17a, and they stretch straight up from the opposed end of diapire 17b.Each vertical plate 17a has outwardly-bent part, wherein is provided with through hole 58 (Fig. 6), and the top 1a of engageable container 1, and this can be clear that by Fig. 2 and 10.Like this, shell 17 just is fixed on the container with the screw in the patchhole 58 24.
As shown in Figure 6, shell 17 has sidewall 17c, and these sidewalls 17c stretches upwards from diapire 17b, so that limit an open-ended chamber betwixt.In addition, cylindrical wall 16 stretches out from diapire 17b, and is stopping so that limit pump chamber in open-ended chamber with the place of evening up, sidewall 17c top.Cylindrical wall 16 constitutes the part pump case of pump P, is laying rotor 12 therein.The diapire 17b of shell 17 has bottom opening 13 on the position in pump chamber, and the driving shaft 8 of pump P stretches by this bottom opening 13.Bottom opening 13 forms the suction inlet of pump P.Cylindrical wall 16 has sidewise hole 15, and it forms the floss hole of pump P.
Partition wall 16a stretches upwards from diapire 17b, limiting a rectangular cavity, and tool sidewise hole 19b, this sidewise hole 19b be positioned at sidewise hole 15 near, and have fluid communication with sidewise hole 15.Rectangular cavity constitutes the part solder channel 19a of nozzle 19, with sidewise hole 19b as its second openend.
When flange member 18 is installed on the shell 17, (a) between flange member 18, diapire 17b and cylindrical wall 16, formed pump chamber; (b) between flange member 18, diapire 17b, sidewall 17c and partition wall 16a, formed solder channel.Cylindrical wall 16, lateral openings 15, sidewise hole 19b, hole 28 and inner space 19a constitute the solder channel 19a of pump case 16, floss hole 15, the second openend 19b, first openend 28 and nozzle 19 respectively.
The sub-assembly of flange member 18 and shell 17 is shown among Fig. 8, and it is placed in the container 1, and rotor 12 then is placed within the pump chamber.When the motor 6a of drive unit 6 running, pipe axle 8 rotations that driving shaft 7 is fixed thereon with rotor 12, thus pump P is driven.Like this, the fusion welding 10 under the diapire 17b of adjacent shell 17 sucks from the suction inlet 13 of pump P, leads to the floss hole 15 of pump P and the second openend 19b of nozzle 19.Then, scolder is then discharged from nozzle 19, so that form solder wave on first openend 28 by solder channel 19a.
When riser 25 need be changed with the pipeline of other type, unclamp nut 46, so that flange member 18 and the shell 17 that is fixed on the container 1 are separated.When the inboard of nozzle 19 need be cleaned, unclamp screw 24, so that shell 17 and container 1 are separated.Therefore, cleaning, maintenance and the replacing of welder 30 each parts can both be carried out easily.
Can be clear that by Fig. 9, flange member 18 has the flow control plate 55a and the 55b of two separated, downward stretching, extensions, and shell 17 have one that stretch upwards, be placed on the flow control plate 54 between plate 55a and the 55b, thereby in solder channel 19a, formed winding raod footpath.The result of above structure is, when fusion welding flow through corresponding compartment 19d, 19e, 19f and 19g shown in Fig. 9 arrow, the mobile of fusion welding by solder channel 19a became even.Like this, evenly the flowing through riser 25 of fusion welding and rising, thus can on first openend 28, form uniform solder wave.
Be to obtain more uniform flow of solder material, the mobile plate 53 of cutting apart being set in the upstream cavity 19d of flow channel 19a, this is cut apart between the side plate 17c that plate 53 is limited to flow control plate 55a and shell 17.Flow and to cut apart plate 53 and have vertical component 53a, it stretches out from the diapire 17a of shell 17, and ends near half height of sidewall 17c; With horizontal component 53b, it stretches out from the top of vertical component, and end at the second openend 19b (sidewise hole of partition wall 16a) near.Like this, horizontal component 53b is divided into upper and lower path with the upstream cavity 19b of flow channel 19a.Thereby the fusion welding that enters upstream cavity 19d by the second openend 19b is divided into upper and lower flowing by horizontal component 53b.Current downflow enters a cavity of resorption 19e by the lower end of control board 55a and the gap between the base plate 17a on the (see figure 2) of vertical component 53a right side.On the other hand, go up flowing of scolder then passed through on horizontal component 53b, for another example shown in Fig. 2 arrow, enters chamber 19e by the gap between the base plate 17a on the (see figure 2) on the left of control board 55a lower end and the vertical component 53a.
The welder 30 that the present invention proposes is applicable to the welding system of the automation welding printed substrate that is shown among Figure 11.Label 126 longitudinally extending airtight housing of expression or lids, it all has ingate 138 and outlet opening 139 at two vertical end.Conveyer 134 comprises conveyer chain and chain-wheel mechanism, and this conveyer 134 is used for transmitting the printed substrate 128 that needs welding by direction A along predefined paths.Welder 30 is placed to and is used for fusion welding 10 is applied to the plate 128 of motion thereon.130 expression preheaters, it is placed in the housing 126, is positioned at the position of welder 30 upstreams, is used for the plate 128 of motion is thereon preheated.
Housing 126 has skirtboard part 133, and it stretches into downwards in the fusion welding of container 1, thereby the above space 132 of solder surface is isolated with atmosphere.Inert gas such as nitrogen is fed into housing 126, is in the inert gas atmosphere to keep space wherein.The upper and lower inner space in path is cut apart by baffle plate 140, thereby prevents that air from entering housing 126 from entrance and exit hole 138 and 139, and the amount of inert gas that will be supplied in the housing reduces to minimum.
The welder that the present invention proposes is not limited to the foregoing description, but can be implemented by various forms.For example, have only nozzle 19 to constitute by shell 17 and flange member 18; Also promptly, pump P can be independent of nozzle 19 and build.For substituting motor 6a, can use any other suitable driver, such as air cylinder or electromagnetic plunger.In addition, nozzle 19 and riser 25 thereof can have any conventional structure.What is more, and pump P can build by various forms, and wherein some will be described hereinafter.
In the embodiment shown in fig. 12, the hole 3 of pipe 5 from sidewall 69 lower parts that are formed at container 1 stretches upwards obliquely, ends at the position of surface level more than 4 of the fusion welding 10 in the container 1.The also corresponding inclination of interior driving shaft 7 and cylindrical tubular axis 8.Other architectural feature is identical with Fig. 1 substantially.
In the embodiment shown in fig. 13, driving shaft 7 rotatably is placed in the upper and lower bearing 79 that is supported by sleeve 77.Sleeve 77 transfers to be fixed to pipe 5 by its top flange again, and vertically stretch out in the hole 3 of pipe 5 from the diapire 2 that is formed on solder container 1, and end at the position of surface level more than 4 of fusion welding 10 in the container 1.Pipe axle 8 passes through nut 9 together with on the helical gear 80a fixed drive axle 7.The rotor 12 of pump P is placed in the cylindrical shape pump case 16, and is fixed on the pipe axle 8.Pump case 16 has open top 13, and it is as the suction inlet of pump P.
Container 1 has sidewall 69, and open-topped side shell 99 is anchored on the sidewall 69 with gap 99d, and gap 99d is defined in its top, makes the surface level 4 of fusion welding 10 be lower than open top 99a, but is higher than the bottom of gap 99d.Gap 99d is applicable to the skirtboard 133 (seeing Figure 11) of laying shell 12b.
Side shell 99 is provided with porose 99b, and hole 99b is positioned at the position that overlaps with the hole 70 of sidewall 69.Motor 6a is fixed on the sidewall 69, and its driving shaft 78 stretches by hole 70 and 99b.Driving shaft 78 has end sections, and helical gear 82a is fixed thereon.Gear 82a and gear 80a interlock engagement, thereby when motor 6a drives, rotor 12 rotations of pump P.Motor 6a and gear 80a and 82a constitute the drive unit of pump P.99c represents spilled water hole, is used for removing the dirt and the dust that are formed at side shell 99.
Embodiment shown in Figure 14 is similar in appearance to the embodiment of Figure 13, but difference is the structure of the drive unit of pump P.Like this, the upwards vertical stretchings of the hole 75 of pipe 76 from the diapire 2 that forms in container 1, and end at the position of surface level more than 4 of fusion welding 10 in the container 1.Motor 6a is fixed on the downside of diapire 2, and its driving shaft 78 stretches by pipe 76.Driving shaft 78 has terminal end, and driven wheel 82 is fixed thereon, so that rotation common with it.Driven wheel 82 interlocks engagements driven gear 80, this driven gear 80 is fixed on the terminal end of driving shaft 7 by nut 9 with pipe axle 8.
Embodiment shown in Figure 15 is similar in appearance to the embodiment of Figure 14, but difference is the structure of the drive unit of pump P.The hole 75 of pipe 76 from the sidewall 69 that forms in container 1 tilts to stretch upwards, and ends at the position of surface level more than 4 of fusion welding 10 in the container 1.Motor 6a is fixed on the support that is mounted on the sidewall 69, and its driving shaft 78 stretches by hole 76.Driving shaft 78 has end sections, and helical gear 82a is fixed thereon.Gear 82a interlock engagement helical gear 80a, this helical gear 80a is fixed to the terminal end of driving shaft 7 by nut 9 with pipe axle 8.
Embodiment shown in Figure 16 is similar in appearance to the embodiment of Figure 14, but difference is the structure of the drive unit of pump P.L shaped pipe 91 is fixed on the hole 75 of the sidewall 69 that forms in container 1.Pipe 91 has 75 horizontal component 91b that stretches out and the vertical component 91a from the hole, and it stretches vertically upward, and ends at the position of surface level more than 4 of fusion welding 10 in the container 1.Motor 6a is fixed on the sidewall 69, and its driving shaft 78 stretches by managing 91 horizontal component 91b, and is placed in the bearing 94.Driving shaft 78 has terminal end, and helical gear 97 is fixed thereon, so that therewith rotation.The vertical component 91a that transmission axle 90 stretches by pipe 91, and by bearing 95 supportings.Transmission axle 90 has the lower end end, and helical gear 96 is fixed thereon; With last terminal end, gear 82 is fixed thereon.The helical gear 97 of helical gear 96 interlocks engagement driving shaft 78, and driven wheel 82 interlocks engagement driven gear 80, this driven gear 80 is fixed on the terminal end of driving shaft 7 with pipe axle 8 by nut 9.Like this, the rotor 12 of pump P rotates when motor 6a drives.Motor 6a; Gear 80,82,96 and 97; Driving shaft 78 and transmission axle 90 constitute the drive unit of pump P.
The Drive Structure of applications similar, the driver that this Drive Structure comprises have stretching, extension by being placed on the driving shaft of the pipe in the fusion welding, and welder 30 just can be provided with various servicing units, and need not the upper space of application of solder container more than 1.
For example, such structure can be used for the shape as disclosed change solder wave in the United States Patent (USP) 4530458.In the embodiment shown in Figure 17, solder wave 29 has some protuberates of advancing, and this ripple 29 is formed on first openend 28 of nozzle 19.153 expression tubular elements, the hole 154 of this tubular element from the diapire 2 that forms in solder container 1 stretches upwards, and has open-topped end, and this end is placed on the position of surface level more than 4 of fusion welding 10.Drive unit comprises motor 151, gear mechanism 152 and driving shaft 155, and this drive unit is fixed on the diapire 2.Driving shaft 155 stretches by tubular element 153, and has terminal end, and crank 150 is fixed thereon, so that rotation common with it.
But be supported on to 161 reciprocating motions of ripple control board nozzle 19 first openend 28 near.Ripple control board 161 has some through holes 162, and fusion welding upwards sprays by these through holes 162, thereby solder wave 29 has some protuberates.The ripple control board has end sections, and pin 159a is embedded in wherein.One end of crank arm 158 pivotally is fixed to pin 159, and the other end of arm 158 pivotally is fixed to pin 160.When motor 151 drives, crank 150 rotations, thereby controlled making sheet reciprocating motion.As a result, the solder wave 29 that is formed on the control board 161 has some protuberates of advancing at vibration-direction.Gear mechanism 152 is used for the angular speed of Control Shaft 155 (being crank 150), thereby the reciprocating motion of plate 161 becomes steadily with even.In the embodiment shown in Figure 17, there are not huge parts more than 1 in solder container yet.
Drive Structure also can be used for operating the blade of cleaning device, to remove the lip-deep waste residue of fusion welding in the container.
Claims (15)
1, a welder, this welder comprises:
Open-topped container (1), this container (1) is used to store fusion welding (10), and has hole (3) in its underpart;
Pipe (5), this pipe (5) has the end of upper and lower opening, stretches upwards from described hole (3) in described container (1), on the surface level (4) of the fusion welding (10) that makes described upper open end be positioned to be stored in described container (1);
Driving shaft (7), this driving shaft (7) is placed on the inboard of described pipe (5) rotationally;
Drive unit (6), this drive unit (6) can turn round, so that rotate described driving shaft (7);
Pump (P), this pump (P) comprises pump case (16), it is placed on the interior its underpart of described container (1); Suction inlet (13) and floss hole (15), they are arranged in the described pump case (16); Rotor (12), it is placed in the described pump case (P); With pipe axle (8), it is placed on the outside of described pipe (5), and coaxial with described driving shaft (7), and described pipe axle (8) has the lower part, and this lower part is arranged in described pump case (16), and described rotor (12) is fixed in wherein; And top, this top is fixed on the described driving shaft (7), in order to therewith rotation; With
Solder nozzle (19), solder nozzle (19) is placed in the described container (1), and limit solder channel (19a) within it, described nozzle (19) has first openend that is directed upwards towards (28) and second openend (19b), this second openend (19b) carries out fluid communication by described solder channel (19a) and described first openend (28), and be positioned at described pump (P) described floss hole (15) near;
Thereby, when described drive unit (6) turns round, described driving shaft (7) rotates with described rotor (12), thereby fusion welding (10) sucks the described pump case (16) from described suction inlet (13), lead to described floss hole (15) and described second openend (19b), and from described nozzle (19) discharge, so that on described first openend (28), form solder wave (29).
2, welder as claimed in claim 1, this welder also comprise lid (40), and this lid (40) is placed to the top that covers described pipe axle (8), so that limit a gap betwixt, described lid (40) has outlet (41), and it is positioned at its top; And under shed (23), this under shed (23) is submerged in the fusion welding, and carry out fluid communication with described floss hole (15), like this, fusion welding is by in the described gap of described under shed (23) input, and, discharge from described outlet (41) by the rotation of the described rotor (12) of described pump (P).
3, welder as claimed in claim 2 is characterized in that, described pipe axle (8) has thread ridges (61), is used for when described pipe axle (8) rotates, and produces the flowing of fusion welding that flows to described outlet (41) from described under shed (23).
4, welder as claimed in claim 1, this welder also comprises lid (40), this lid (40) is placed to the top that covers described pipe axle (8), so that limit a gap betwixt, described connecting elements (8) stretches by it, described lid (40) has inert gas supply port (64), and this supply port (64) is positioned at its top; And under shed, this under shed is submerged in the fusion welding (10), thus when inert gas was supplied with by described supply port (64), the space on the fusion welding in the gap (10) remained in the inert gas atmosphere.
5, as the welder of the arbitrary claim among the claim 1-4, it is characterized in that, described hole (3) forms in the diapire (2) of described container (1), described pipe (5) vertically stretches out from described hole (3), and described drive unit (6) is fixed to the outer surface of described diapire (2), and described axle (7) is connected directly to or is connected on it by gear mechanism (32).
6, as the welder of arbitrary claim among the claim 1-4, it is characterized in that, described hole (3) is formed in the lower part of the sidewall of described container (1), described pipe (5) stretches upwards obliquely from described hole (3), and, described drive unit (6) is fixed to the outer surface of described sidewall, and described axle (7) directly or by gear mechanism (32) is connected on it.
7, as the welder of arbitrary claim among the claim 1-4, this welder also comprises:
Shell (17), this shell (17) is placed in the described container (1), and removably be fastened to being positioned on the above position of fusion welding of described container (1), described shell (17) has diapire (17b) and sidewall (17c), this sidewall (17c) stretches upwards from described diapire (17b), and has sidewise hole (19b); With
Flange member (18), this flange member (18) has hole (28), and removably be connected to described shell (17), to close described shell (17), and limit inner space (19a) betwixt, described flange member (18) constitutes described nozzle (19) jointly with described shell (17), like this, the described solder channel (19a) of described sidewise hole (19a), described hole (28) and described interior space (19a) described second openend of corresponding formation (19a), described first openend (28) and described nozzle (19).
8, welder as claimed in claim 7, this welder also comprises some flow control plate (54,55), and they stretch upwards from described diapire (17b), with stretch downwards from described flange member (18), from just formation zigzag path described solder channel (19a).
9, as the welder of arbitrary claim among the claim 1-4, this welder also comprises:
Shell (17), this shell (17) is placed in the described container (1), but and demolition be fastened to being positioned on the above position of fusion welding of described container (1);
Described shell (17) has:
Diapire (17b), it has bottom opening (13), and described pipe (5) stretches by this bottom opening (13);
Sidewall (17c), it stretches upwards from described diapire (17b), so that limit an open-ended chamber betwixt;
Cylindrical wall (16), it stretches out from described diapire (17b), and is placed in the described open-ended chamber, so that described bottom opening (13) is positioned at the bottom of described cylindrical wall (16), described cylindrical wall (16) has sidewise hole (15);
Partition wall (16a), it stretches upwards limiting a rectangular cavity from described diapire (17b), and has sidewise hole (19b), the contiguous described sidewise hole (15) of this sidewise hole (19b), and carry out fluid communication with it; And
Flange member (18), this flange member (18) has hole (28), and removably be connected to described shell (17), to close described shell (17), and (a) in described flange member (18), limit a pump chamber between described diapire (17b) and the described cylindrical wall (16), (b) in described flange member (18), described diapire (17b), limit described solder channel between described sidewall (17c) and the described partition wall (16a), so that described cylindrical wall (16), described hole (15), sidewise hole (19b), described hole (28) and the described pump case of the corresponding formation of described inner space (19a) (16), described floss hole (15), described second openend (19b), the described solder channel (19a) of described first openend (28) and described nozzle (19).
10, welder as claimed in claim 9, this welder also comprises some flow control plate (54,55), and they stretch upwards from described diapire (17b), with stretch downwards from described flange member (18) so that in described solder channel (19c) the formation zigzag path.
11, as the welder of arbitrary claim among the claim 1-4, this welder also comprises:
Tubular element (153), this tubular element (153) stretches by described container (1), and has open-topped end, and it is positioned on the surface level (4) of fusion welding (10);
Driving shaft member (155), it rotatably is placed within the described tubular element (153);
Drive unit (151,152), they can turn round to rotate described driving shaft member (155);
Reciprocating ripple control board (161), its is close to described first openend (28) of described nozzle (19) and places, and has some through holes (162), and fusion welding upwards sprays by these through holes (162); With
Transmitting device (150,158), they are connected to described driving shaft member (155) and described control board (161), so that convert rotatablely moving of described driving shaft member (155) reciprocating motion of described control board (161) to;
Thereby, when described drive unit (151,152) turns round, driving shaft member (155) rotation, to cause the reciprocating motion of control board (161), like this, the solder wave (29) that is formed on the described control board (161) just has some protuberates of advancing at vibration-direction.
12, as the welder of arbitrary claim among the claim 1-4, this welder comprises that also housing (126) is used to surround the above upper space of described container (1), and the inert gas intake is arranged on the described housing (126), thereby, described upper space is remained in the inert gas atmosphere by introducing inert gas to described housing (126) by described inert gas intake.
13, as the welder of claim 12, it is characterized in that, described housing (126) comprises two pairs of relative skirtboards (133), they stretch in the fusion welding downwards, thereby on surface of molten solder, define inflatable chamber (132) by described housing and described skirtboard (133), and the whole surface of the fusion welding in the described container (1) is included in substantially in the described inflatable chamber (132).
14, as the welder of arbitrary claim among the claim 1-4, this welder also comprises conveyer (134), be used to follow the predefined paths transmission printed substrate of journey, so that during its described the passing through by described path, every wiring board all contacts described solder wave.
As the welder of arbitrary claim among the claim 1-4, it is characterized in that 15, described driving device (6) comprises motor (6a).
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP981599 | 1999-01-18 | ||
| JP9817/1999 | 1999-01-18 | ||
| JP11009816A JP2000208926A (en) | 1999-01-18 | 1999-01-18 | Soldering device |
| JP981799A JP2000208927A (en) | 1999-01-18 | 1999-01-18 | Soldering device |
| JP9815/1999 | 1999-01-18 | ||
| JP9816/1999 | 1999-01-18 | ||
| JP12088199A JP3874567B2 (en) | 1999-01-18 | 1999-04-28 | Soldering equipment |
| JP120881/1999 | 1999-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1261567A CN1261567A (en) | 2000-08-02 |
| CN1192844C true CN1192844C (en) | 2005-03-16 |
Family
ID=27455259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001005014A Expired - Fee Related CN1192844C (en) | 1999-01-18 | 2000-01-18 | Welding device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1192844C (en) |
| MY (1) | MY133460A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192156B (en) * | 2013-04-17 | 2015-12-23 | 北京埃森恒业科技有限公司 | A kind of Miniature nitrogen protective solder pump system |
-
2000
- 2000-01-06 MY MYPI20000050 patent/MY133460A/en unknown
- 2000-01-18 CN CNB001005014A patent/CN1192844C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| MY133460A (en) | 2007-11-30 |
| CN1261567A (en) | 2000-08-02 |
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