CN207615827U - A kind of molten tin point welding machine of low voltage and high current - Google Patents
A kind of molten tin point welding machine of low voltage and high current Download PDFInfo
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- CN207615827U CN207615827U CN201721449757.4U CN201721449757U CN207615827U CN 207615827 U CN207615827 U CN 207615827U CN 201721449757 U CN201721449757 U CN 201721449757U CN 207615827 U CN207615827 U CN 207615827U
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Abstract
The utility model discloses a kind of low voltage and high currents to melt tin point welding machine, including spot welding machine host, weldering pen and welding fixture；In the welding process, welding fixture carries product to be welded, and weldering pen is contacted with product to be welded, and spot welding machine host, weldering pen, product to be welded and welding fixture are sequentially connected electrically composition current loop, and contact resistance is generated at product to be welded；Spot welding machine host includes PCB circuit board and control panel, and spot welding machine host is controlled by PCB circuit board realizes low-voltage, high current, and tin realization welding is melted in the heating of transient switching electrode；Control panel includes power regulating knob and timing knob, realizes the step-less adjustment to weld interval length and output power size.Molten tin point welding machine provided by the utility model, the first-class terminal product of solderable headset plug, DC, welding process need not use solder flux and quick heating, molten tin are fast, and can generate high temperature moment makes Xi Shui be covered on pad, effectively avoid rosin joint and dry joint, no welding slag and solder joint is uniformly complete.
Description
Technical field
The utility model is related to mash welder fields more particularly to a kind of low voltage and high current to melt tin point welding machine.
Background technology
Under the information age of high speed development, data transmission, signal transmission, power delivery also become in the update to grow with each passing hour
Change.Especially in terms of connector welding, terminal welding, there are more enterprise and company to pursue higher quality and efficiency.
In welding procedure, market has USB automatic tin welding machines, constant temperature tin soldering machine, soldering iron scolding tin, but it has limitation to welding object
Type, many products such as headset plug, DC still artificial soldering iron welding of most original, to manually there is the requirement of skilled period, and
Need to use solder flux, the quality and stability of welding product that cannot all ensure, easily there is rosin joint and dry joint in when welding, to production more
Product bring prodigious hidden danger of quality, reduce production efficiency, increase production cost.
Utility model content
The purpose of this utility model is in view of the defects existing in the prior art, to provide a kind of molten tin point weldering of low voltage and high current
Machine, can realize without solder flux, moment heating melt tin, and weld when be less prone to rosin joint, dry joint, easy to operate, artificial left-hand seat
Soon.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of low voltage and high current is provided
Molten tin point welding machine, including spot welding machine host, weldering pen and welding fixture, the spot welding machine host includes power take-off, the weldering
Pen is connect with the anode of the power take-off, and the welding fixture is connect with the cathode of the power take-off, is being welded
Cheng Zhong, the welding fixture carry product to be welded, and the weldering pen is contacted with product to be welded, and the spot welding machine host welds pen, is to be welded
Product and welding fixture are sequentially connected electrically composition current loop, and contact resistance is generated at product to be welded；
The spot welding machine host includes shell, PCB circuit board, control panel and circuit protection device；The spot welding owner
Machine is controlled by PCB circuit board realizes low-voltage, high current, and transient switching electrode makes the contact resistance heating melt tin；
The control panel is set on the outer surface of the shell, and the control panel includes the timing rotation being set up in parallel
Button, power regulating knob, the timing knob and power regulating knob can be realized to weld interval length and welding output power
The step-less adjustment of size；
The circuit protection device includes power outlet and air switch, and fuse is provided in the power outlet, is prevented
The emergency cases such as leak-stopping electricity damage mash welder.
Preferably, the welding fixture includes bottom plate, conductive auxiliary block, cathode jig platform, locating slot and fixed plate；Institute
It states and is provided with conductive auxiliary block between bottom plate and the cathode jig platform, the cathode jig platform is equipped with locating slot, product
It is stuck in the locating slot, the fixed plate is perpendicular to bottom plate and is arranged in cathode jig platform side, the positioning channel opening
Towards fixed plate, product tail end to be welded is against fixed plate surface realization and further fixes.
Preferably, the locating slot quantity is several and is set up in parallel as a row, is improved work efficiency.
Further, the spot welding machine host includes the exhaust fan for cooling, and the exhaust fan is set to the shell
The inner surface of side, and outer surface of outer cover is additionally provided with and the matched heat emission hole of exhaust fan.
Specifically, the PCB circuit board is fixed on by fixed screw inside spot welding machine host, the power outlet setting
In on the outer surface of shell side, the air switch is set to exhaust fan side and is fixed on the interior table of shell by supporting rack
Face.
Preferably, the control panel includes that LED power display screen, working station indicator, power supply indicator, power supply are opened
Pass and reset switch；LED power display screen side is set side by side with working station indicator and power supply indicator, described fixed
When knob and power regulating knob be set up in parallel, the reset switch be set to the timing knob and power regulating knob it
Between, the power switch is set up in parallel with the power take-off.
Further, the weldering pen includes handle, positive conductive retaining element, standing finish and soldering tip；In the handle
Portion is the hollow structure to match with positive conductive retaining element size, and the positive conductive retaining element is inserted into the handle
Portion, the soldering tip are connect by the standing finish with positive conductive retaining element.
Preferably, the handle material is wooden, and grasping feel is more comfortable and is not easy to scald one's hand.
Preferably, the standing finish is using fluting expansion copper nut, conductive, thermal conductivity more preferably compared with other metal nuts,
And using fluting expansion nut structure so that the connection between soldering tip and positive conductive retaining element is more secured.
Preferably, the shell is Metal plate.
Low voltage and high current provided by the utility model melts tin point welding machine, has the advantages that：
1. changing to form low voltage and high current by principle function inside PCB circuit board, the heating of transient switching electrode is realized
Molten tin, can successively melt tin, save the heating-up time, manually upper quick-moving, promote working efficiency.
2. passing through the conductive coating for destroying product to be welded so that Xi Shui, which is completely covered, to be sticked on product, and tin water is closer
It is merged with product, is less prone to rosin joint, dry joint, weld is without welding slag.
3. instantaneous high-temperature melts tin, solder flux is not used, it is environment friendly and pollution-free and reduce production cost.
It, being capable of welding data line, tone frequency channel wire, power cord, DC 4. the utility model welding product type limitation is smaller
The products such as head, terminal.
5. the utility model integrated level is high, product to be welded is fixed on welding fixture so that being welded into power raising, reduction
Production cost.
Description of the drawings
It, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the utility model
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the overall structure diagram for the molten tin point welding machine that the utility model embodiment provides；
Fig. 2 is the mash welder main machine structure schematic diagram for the molten tin point welding machine that the utility model embodiment provides；
Fig. 3 is the weldering structural schematic diagram for the molten tin point welding machine that the utility model embodiment provides；
Fig. 4 is the welding fixture structural schematic diagram for the molten tin point welding machine that the utility model embodiment provides.
Wherein, reference numeral corresponds in figure：23- spot welding machine hosts, 24- weld pen, 25- welding fixtures, 1- shells, 2-
Power outlet, 3-PCB circuit boards, 4- exhaust fans, 5- fixed screws, 6- power switches, 7- power regulating knobs, 8- power outputs
End, 9- air switches, 10- power supply indicators, 11- working station indicators, 12- reset switches, 13- timing knobs, 14-LED
Power display screen, 15- handles, 16- positive conductive retaining elements, 17- standing finishes, 18- soldering tips, 19- cathode jig platforms,
20- fixed plates, 21- products, 22- conduction auxiliary blocks, 26- locating slots, 27- bottom plates.
Specific implementation mode
Below in conjunction with attached drawing, the technical solution in example is applied to the utility model and is clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of not making creative work
Example, shall fall within the protection scope of the present invention.
Embodiment：Referring to Fig.1, shown in Fig. 2, Fig. 4, a kind of molten tin point weldering of low voltage and high current provided by the utility model
Machine, including spot welding machine host 23, weldering pen 24 and welding fixture 25；The spot welding machine host includes PCB circuit board 3 and control plane
Plate, the control panel are equipped with power take-off 8；In the welding process, spot welding machine host 23 connect energization, institute with external power supply
State weldering pen 24, welding fixture 25 is connect by conducting wire with the positive and negative electrode of the power take-off 8 respectively, the welding fixture 25
Product 21 to be welded is carried, the weldering pen 24 is contacted with product 21 to be welded and tin feeding wire, the spot welding machine host 23 weld pen simultaneously
24, product 21 and welding fixture 25 to be welded are sequentially connected electrically composition current loop, and contact resistance is generated at product to be welded；Its
In, the spot welding machine host 23 forms low-voltage, high current by the control of PCB circuit board 3, and transient switching electrode makes contact electricity
It heats up at resistance and melts tin realization welding.
As shown in Fig. 2, the spot welding machine host 23 further includes shell 1, circuit protection device and the exhaust fan for cooling
4；Shown shell 1 is Metal plate, and the exhaust fan 4 is set to the inner surface of 1 side of the shell, and 1 outer surface of shell is also
Equipped with 4 matched heat emission hole of exhaust fan, the control panel is set to the outer surface of 1 other side of the shell, the PCB
Circuit board 3 is fixed on the inner surface of 1 bottom of shell by fixed screw 5；The circuit protection device includes 2 He of power outlet
Air switch 9 is provided with fuse in the power outlet 2, and the power outlet 2 is set on the outer surface of 1 side of shell,
The air switch 9 is set to 4 side of exhaust fan and is fixed on the inner surface of shell 1 by supporting rack, 2 He of the power outlet
Air switch 9 jointly protects circuit, prevents the emergency cases such as electric leakage damage mash welder.
Further, the control panel of the spot welding machine host 23 further includes LED power display screen 14, working status indication
Lamp 11, power supply indicator 10, timing knob 13, power regulating knob 7, power switch 6 and reset switch 12；The LED power
14 side of display screen is set side by side with working station indicator 11 and power supply indicator 10, the power regulating knob 7 and described
Timing knob 13 is juxtaposed on the lower section of the LED power display screen 14, and the reset switch 12 is set to the timing rotation
Between button 13 and power regulating knob 7, the power switch 6 is set up in parallel and the control panel with the power take-off 8
Bottom；The timing knob 13 is equipped with for adjusting weld interval length according to weld interval needed for different welding products
The range of choice of 1s-5s, the power regulating knob 7 are used to adjust the output power size of mash welder host 23, and the work(
Rate adjusting knob 7 can carry out electrodeless adjustment so that selectable output power range bigger when welding, more to the adjusting of power
It is accurate to add.
As shown in figure 3, the weldering pen 24 includes handle 15, positive conductive retaining element 16, standing finish 17 and soldering tip
18；15 inside of the handle is the hollow structure to match with 16 size of positive conductive retaining element, and the positive conductive is fixed
Element 16 is inserted into inside the handle 15, and the soldering tip 18 is connected by the standing finish 17 and positive conductive retaining element 16
It connects；15 material of the handle is wooden, and grasping feel is more comfortable and is not easy to scald one's hand, and the standing finish 17 is expanded using fluting
Copper nut, conduction, the thermal conductivity of copper nut more preferably compared with other metal nuts, and use fluting expansion nut structure so that weldering
Connection between head and positive conductive retaining element is more secured.
As shown in figure 4, the welding fixture 25 includes bottom plate 27, conductive auxiliary block 22, cathode jig platform 19, locating slot
26 and fixed plate 20；Conductive auxiliary block 22 is provided between the bottom plate 27 and the cathode jig platform 19, the cathode is controlled
Have platform 19 and be equipped with locating slot 26,26 quantity of the locating slot is several and is set up in parallel as a row that product 21 is stuck in described
In locating slot 26, the fixed plate 20 is perpendicular to bottom plate 27 and is arranged in 19 side of cathode jig platform, and the locating slot 26 is opened
Mouth is towards fixed plate 20, and 21 tail end of product to be welded is against the realization of 20 surface of fixed plate and further fixes so that product 21 when welding
Stable state is kept, to improve yield rate and welding efficiency.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the motor of tin point welding machine is melted to low voltage and high current provided by the utility model
Reason is explained as follows：
Before welding, welding personnel should wear insulating glove, goggles etc., carry out safety prevention measure；Whether check each conducting wire
Connection is reliable and whether there is or not breakage, removes welding fixture and welds the oil stain and dirt on pen；Power cord is inserted into power outlet 2,
And air switch 9 is opened, and it checking whether body, circuit leak electricity, turns on the power switch 6, power supply indicator is bright, inspection display screen,
Indicator light respectively indicates whether normally；The anode that pen 24 connects power take-off 8 is welded, welding fixture 25 connects power take-off 8
Cathode, you can start to work.
Mash welder is debugged, and according to the watt level that LED power display screen 14 is shown, rotary power adjusting knob 7 carries out defeated
Go out the adjusting of watt level, then rotary timing knob 13 carries out weld interval protection adjusting, and product 21 to be welded is caught in positioning
In slot 26,24 contact product 21 of weldering pen and simultaneously tin feeding wire, according to the fusing effect regulation power adjusting knob 7 of tin silk.
Welding, has debugged output power and can have been welded after weld interval, and 24 contact product 21 of weldering pen is simultaneously sent simultaneously
Tin silk, spot welding machine host 23, weldering pen 24, product to be welded 21 and welding fixture 25 constitute current loop, and are produced at product to be welded
Raw contact resistance, spot welding machine host 23 form low-voltage, high current by the control of PCB circuit board 3, and transient switching electrode to connect
It heats up at electric shock resistance and melts tin realization welding, and the conductive electroplated layer destroyed on product 21 to be welded, tin water can be completely covered viscous
On product, electroplated layer be destroyed so that Xi Shui with product 21 is closer merges, be less prone to rosin joint and dry joint.Multiple positioning
Slot 26 can carry multiple welding products, debugged output power and after weld interval, mash welder energization can be continuously
Molten tin, therefore multiple welding products can be welded successively.
It after welding, turns off the power switch, the connection of deenergization line and power outlet 2, the cleaning equipment after equipment cooling
Surface dirt and greasy dirt simultaneously check again for, site clearing.
The utility model provides low voltage and high current and melts tin point welding machine, has the advantages that：
1. changing to form low voltage and high current by principle function inside PCB circuit board, the heating of transient switching electrode is realized
Molten tin, can successively melt tin, save the heating-up time, manually upper quick-moving, promote working efficiency.
2. passing through the conductive coating for destroying product to be welded so that Xi Shui, which is completely covered, to be sticked on product, and tin water is closer
It is merged with product, is less prone to rosin joint, dry joint, weld is without welding slag.
3. instantaneous high-temperature melts tin, solder flux is not used, it is environment friendly and pollution-free and reduce production cost.
It, being capable of welding data line, tone frequency channel wire, power cord, DC 4. the utility model welding product type limitation is smaller
The products such as head, terminal.
5. the utility model integrated level is high, product to be welded is fixed on welding fixture so that being welded into power raising, reduction
Production cost.
Above disclosed is only several preferred embodiments of the utility model, cannot limit this reality with this certainly
With novel interest field, therefore equivalent variations made according to the claim of the utility model, still belong to the utility model and is covered
Range.
Claims (10)
1. a kind of low voltage and high current melts tin point welding machine, it is characterised in that：Including spot welding machine host (23), weldering pen (24) and welding
Jig (25), the spot welding machine host (23) include power take-off (8), the weldering pen (24) and the power take-off (8)
Anode connection, the welding fixture (25) connect with the cathode of the power take-off (8), in the welding process, the weldering
It connecing jig (25) and carries product (21) to be welded, the weldering pen (24) contacts with product to be welded (21), the spot welding machine host (23),
Weldering pen (24), product to be welded (21) and welding fixture (25) are sequentially connected electrically composition current loop, and at product to be welded (21)
Generate contact resistance；
The spot welding machine host (23) includes shell (1), control realization low-voltage and the PCB circuit board (3) of high current, control plane
Plate and circuit protection device；
The control panel is set on the outer surface of the shell (1), and the control panel includes that can control weld interval
The timing knob (13) of length, the power regulating knob (7) that welding output power size can be controlled, and the timing knob
(13) and the power regulating knob (7) is all step-less adjustment；
The circuit protection device includes power outlet (2) and air switch (9), and insurance is provided in the power outlet (2)
Silk.
2. low voltage and high current according to claim 1 melts tin point welding machine, it is characterised in that：Welding fixture (25) packet
Include bottom plate (27), conductive auxiliary block (22), cathode jig platform (19), locating slot (26) and fixed plate (20)；The bottom plate
(27) conductive auxiliary block (22) is provided between the cathode jig platform (19), the cathode jig platform (19) is equipped with fixed
Position slot (26), product (21) are stuck in the locating slot (26), and the fixed plate (20) is perpendicular to bottom plate (27) and is arranged negative
Pole jig platform (19) side, for locating slot (26) opening towards fixed plate (20), product (21) tail end to be welded is against fixation
It realizes and further fixes in plate (20) surface.
3. low voltage and high current according to claim 2 melts tin point welding machine, it is characterised in that：Locating slot (26) quantity
For several and it is set up in parallel as a row.
4. low voltage and high current according to claim 1 melts tin point welding machine, it is characterised in that：The spot welding machine host (23)
Include the exhaust fan (4) for cooling, the exhaust fan (4) is set to the inner surface of the shell (1) side, and shell (1)
Outer surface is additionally provided with and exhaust fan (4) matched heat emission hole.
5. low voltage and high current according to claim 1 melts tin point welding machine, it is characterised in that：The PCB circuit board (3) is logical
Fixed screw (5) is crossed to be fixed on inside spot welding machine host.
6. low voltage and high current according to claim 1 melts tin point welding machine, it is characterised in that：The control panel includes
LED power display screen (14), working station indicator (11), power supply indicator (10), power switch (6) and reset switch
(12)；LED power display screen (14) side is set side by side with working station indicator (11) and power supply indicator (10), institute
It states timing knob (13) and power regulating knob (7) is set up in parallel, the reset switch (12) is set to the timing knob
(13) between power regulating knob (7), the power switch (6) is set up in parallel with the power take-off (8).
7. low voltage and high current according to claim 1 melts tin point welding machine, it is characterised in that：The weldering pen (24) includes hand
Handle (15), positive conductive retaining element (16), standing finish (17) and soldering tip (18)；It is to be led with anode inside the handle (15)
The hollow structure that electric retaining element (16) size matches, the positive conductive retaining element (16) are inserted into the handle (15)
Portion, the soldering tip (18) are connect by the standing finish (17) with positive conductive retaining element (16).
8. low voltage and high current according to claim 7 melts tin point welding machine, it is characterised in that：Handle (15) material is
It is wooden.
9. low voltage and high current according to claim 7 melts tin point welding machine, it is characterised in that：The standing finish (17) is adopted
Copper nut is expanded with fluting.
10. the low voltage and high current according to any one of claim 1-9 claims melts tin point welding machine, feature exists
In：The shell (1) is Metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721449757.4U CN207615827U (en) | 2017-11-02 | 2017-11-02 | A kind of molten tin point welding machine of low voltage and high current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721449757.4U CN207615827U (en) | 2017-11-02 | 2017-11-02 | A kind of molten tin point welding machine of low voltage and high current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207615827U true CN207615827U (en) | 2018-07-17 |
Family
ID=62827442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721449757.4U Active CN207615827U (en) | 2017-11-02 | 2017-11-02 | A kind of molten tin point welding machine of low voltage and high current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207615827U (en) |
-
2017
- 2017-11-02 CN CN201721449757.4U patent/CN207615827U/en active Active
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