CN211276945U - Take self-protect function's portable spot welder - Google Patents
Take self-protect function's portable spot welder Download PDFInfo
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- CN211276945U CN211276945U CN201922342289.6U CN201922342289U CN211276945U CN 211276945 U CN211276945 U CN 211276945U CN 201922342289 U CN201922342289 U CN 201922342289U CN 211276945 U CN211276945 U CN 211276945U
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Abstract
The utility model discloses a portable spot welder with self-protection function, which comprises a shell, wherein the shell comprises shell splicing blocks, an upper panel, a lower panel, a front panel, a rear panel and a side panel which are connected by a plurality of shell splicing blocks; a low-power transformer, a high-power transformer, a power conversion module and a control module are arranged in the power converter; the front panel is fixedly connected with the welding pen module, the digital display module and the time current adjusting module are arranged on the outer side of the front panel, the power supply module is arranged on the outer side of the rear panel and comprises a direct current positive terminal, a direct current negative terminal and a power switch module, the power switch module outputs two paths of voltage, one path of output is connected with the low-power transformer, and the other path of output is connected with the high-power transformer. The utility model discloses an adopt time electric current regulation module to control welding time and welding output current size, improve the system security, can effectually avoid because of the adhesion phenomenon that too big or the electric current unstability of welding process in electric current arouses.
Description
Technical Field
The utility model relates to an engineering field of making especially relates to a take self-protect function's portable spot welder.
Background
In the prior art, a spot welding machine mainly comprises a transformer part, a control part, a power conversion module, a heat dissipation part and a welding pen. The current spot welding machine can only work under the voltage of AC220V of the city network, can not meet the operation when no power supply or power failure of the city network exists on site, and can not work under the direct current mode. The control mode is also simpler, and the workpiece of the welding machine can be processed only through a pedal or a handheld micro-switch and a current protection circuit. The existing spot welding machine utilizes the short circuit of the output end of the transformer to form large current for welding. When the welding current output is large or unstable, the welding pen is adhered to the surface of a workpiece, the surface quality of the welded workpiece is affected after the adhesion time is too long, even a circuit is burnt, and the safety and the working efficiency are low.
Disclosure of Invention
The technical purpose is as follows: to prior art midpoint welding machine can only work under AC220V voltage and welding current output unstability leads to the defect that welding efficiency is poor, the utility model discloses a take self-protect function's portable spot welder through time current regulation module control welding time and welding output current size, improves system security, avoids welding adhesion phenomenon to and the operation when the on-the-spot no municipal net power supply or have a power failure, also can normally work under direct current mode.
The technical scheme is as follows: the utility model discloses a portable spot welder with self-protection function, which comprises a shell, wherein the shell comprises shell splicing blocks, an upper panel, a lower panel, a front panel, a rear panel and a side panel which are connected with each other by a plurality of shell splicing blocks;
a first fixing plate, a second fixing plate, a low-power transformer, a high-power transformer, a power conversion module and a control module are arranged in the shell; the first fixing plate and the second fixing plate are respectively embedded into the grooves formed in the side panels, the high-power transformer is fixedly arranged on the lower panel, the low-power transformer is fixedly arranged at the position, close to the rear panel, of the lower panel and supplies power to the control module and the heat dissipation module, the power conversion module is fixedly arranged on the first fixing plate, and the control module is fixedly arranged on the second fixing plate;
the front panel is fixedly connected with a welding pen module, the welding pen module comprises a positive wire holder, a negative wire holder, a binding post, a positive welding pen and a negative welding pen, the front panel is provided with a hole, the positive wire holder and the negative wire holder are fixed with the front panel through the hole, the positive welding pen and the negative welding pen are fixedly connected with the positive wire holder and the negative wire holder through a quick connection bayonet, and a high-power transformer supplies power to the welding pen module;
a digital display module and a time current adjusting module are arranged on the outer side of the front panel, the time current adjusting module is connected with the digital display module, and the digital display module displays welding time and welding output current;
the rear panel outside sets up power module, power module includes direct current positive terminal, direct current negative terminal and switch module, direct current positive terminal and direct current negative terminal link to each other with power conversion module, power conversion module links to each other with switch module after converting direct current into alternating current, switch module output two way voltages, output voltage links to each other with little power transformer all the way, the output voltage L utmost point of another way links to each other with high power transformer's L utmost point through control module, the output voltage N utmost point of another way links to each other with high power transformer's the N utmost point.
Preferably, the welding pen module further comprises a welding microswitch, the welding microswitch is arranged at the front end of the positive electrode welding pen, and the welding microswitch is connected with the wiring terminal and the control module through an electric wire.
Preferably, the time current adjusting module comprises a knob switch, and the time current adjusting module is adjusted by rotating the knob switch.
Preferably, the spot welding machine further comprises a heat dissipation module, the heat dissipation module is fixedly installed on the inner side of the rear panel, and the low-power transformer supplies power to the heat dissipation module.
Preferably, the rear panel corresponding to the heat dissipation module is provided with heat dissipation holes.
Preferably, the upper panel is further provided with a handle, and the handle is fixedly connected with the upper panel.
Preferably, the shell splicing blocks are corner connectors, and threads are arranged in the corner connectors.
Has the advantages that:
1. according to the scheme, the time and current adjusting module is adopted to control the welding time and the welding output current, so that the system safety is improved, and the adhesion phenomenon caused by overlarge current or unstable current in the welding process can be effectively avoided;
2. in the scheme, the power supply module can be selectively connected with AC220V voltage or a storage battery DC12V to work, and DC is converted into AC through the power supply conversion module when DC12V supplies power, so that the working efficiency is greatly improved, and the power supply module can be used for special working environments more humanized;
3. this scheme still includes the welding micro-gap switch in the welding pen module, and the welding micro-gap switch accords with human engineering design, and the embedding makes things convenient for handheld inching switch at anodal welding pen front end.
Drawings
FIG. 1 is a schematic view of the general structure of the present invention;
the system comprises a power supply switch module, a control module, a first fixing plate, a first positive welding pen, a welding micro-switch, a second fixing plate, a digital display module, a time current adjusting module, a second connecting plate, a power supply switch module, a power;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a rear view of FIG. 1;
FIG. 5 is an enlarged view of a portion of the positive welding pen of FIG. 1;
fig. 6 is a flow chart of the present invention.
Detailed Description
The scheme is further explained by combining the attached drawings.
As shown in fig. 1-4, a portable spot welder with self-protection function comprises a housing, the housing comprises housing splicing blocks 15, and an upper panel 6, a lower panel 1, a front panel 24, a rear panel 25 and a side panel 18 which are connected with each other by a plurality of housing splicing blocks 15; wherein the side panels 18 are a pair of identical panels forming a sealed enclosure with the upper panel 6, lower panel 1, front panel 24 and rear panel 25. The upper panel 6 is also provided with a handle 7, and the handle 7 is fixed with the upper panel 6 through bolts, so that the lifting and the carrying are convenient. The shell splicing block 15 is an angle code, and threads are arranged in the angle code hole.
A first fixing plate 11, a second fixing plate 9, a small power transformer 16, a large power transformer 2, a power conversion module 8 and a control module 10 are arranged in the shell; the first fixing plate 11 and the second fixing plate 9 are respectively embedded into a groove formed in the side panel 18, the high-power transformer 2 is fixedly installed on the lower panel 1, the low-power transformer 16 is fixedly installed at a position, close to the rear panel 25, of the lower panel 1, the low-power transformer 16 supplies power to the control module 10, the power conversion module 8 is fixedly installed on the first fixing plate 11, and the control module 10 is fixedly installed on the second fixing plate 9.
24 fixed connection welding pen module of front panel, welding pen module includes anodal connection terminal 23, negative pole connection terminal 21, terminal 22, anodal welding pen 12 and negative pole welding pen 14, the hole is seted up to front panel 24, anodal connection terminal 23 and negative pole connection terminal 21 adopt inside and outside bolt and nut fixed connection through the hole, anodal welding pen 12 and negative pole welding pen 14 are through connecing bayonet socket and anodal connection terminal 23 and negative pole connection terminal 21 fixed connection soon, high power transformer 2 is the power supply of welding pen module. As shown in fig. 5, the welding pen module further includes a welding microswitch 13, the welding microswitch 13 is disposed at the front end of the positive welding pen 12, and the welding microswitch 13 is connected to the terminal 22 and the control module 10 through a wire.
The digital display module 19 and the time current adjusting module 20 are arranged on the outer side of the front panel 24, the time current adjusting module 20 is connected with the digital display module 19, the digital display module 19 displays welding time and welding output current, the time current adjusting module 20 comprises a rotary switch, and the time current adjusting module 20 is adjusted by rotating the rotary switch.
The power module is arranged on the outer side of the rear panel 25, the power module comprises a direct current positive terminal 4, a direct current negative terminal 5 and a power switch module 3, the direct current positive terminal 4 and the direct current negative terminal 5 are connected with a power conversion module 8, the power conversion module 8 converts direct current into alternating current and then is connected with the power switch module 3, the power switch module 3 outputs two paths of voltage, one path of output voltage is connected with the low-power transformer 16, the L pole of the other path of output voltage is connected with the L pole of the high-power transformer 2 through the control module 10, and the N pole of the other path of output voltage is connected with the N pole of the high-power transformer 2.
The scheme further comprises a heat dissipation module 17, the heat dissipation module 17 is fixedly installed on the inner side of the rear panel 25, and the low-power transformer 16 supplies power to the heat dissipation module 17. The back panel 25 corresponding to the heat dissipation module 17 is provided with a strip-shaped heat dissipation hole.
As shown in fig. 6, an embodiment of the present solution operating in dc and ac modes is as follows:
the first embodiment is as follows: in the AC mode, the AC220V supplies power through the power switch module 3, one path of the power switch module 3 is connected to the low power transformer 16 to be converted into AC9V to supply power to the control module 10 and the heat dissipation module 17, and one path of the output voltage is converted into AC5V, wherein the N pole of the AC5V is directly connected to the high power transformer 2, and the L pole is connected to the high power transformer 2 through the control module 10. The time current adjusting module 20, the digital display module 19 and the welding pen module are connected to the control module 10, the parameters of the time current adjusting module 20 are set during operation, and the positive welding pen 12 and the negative welding pen 14 of the welding pen module are pressed on a welding workpiece after the operation is finished. And a welding microswitch 13 on the welding pen module is pressed, the control module 10 is connected with the output of the high-power transformer 2 for welding, the control circuit is disconnected after the time is up, and the welding is stopped.
Example two: in the DC mode, a power supply of DC12V is connected to a power conversion module 8 through a direct current positive terminal 4 and a direct current negative terminal 5 on a rear panel 25, the power conversion module 8 is converted into an AC220 power supply and connected to a power switch module 3, one path of the power switch module 3 is connected with a low power transformer 16 to be converted into AC9V to supply power to a control module 10 and a heat dissipation module 17, one path of output voltage is converted into AC5V, wherein the N pole of the AC5V is directly connected with a high power transformer 2, and the L pole is connected to the high power transformer 2 through the control module 10. The time current adjusting module 20, the digital display module 19 and the welding pen module are connected to the control module 10, the parameters of the time current adjusting module 20 are set during operation, and the positive welding pen 12 and the negative welding pen 14 of the welding pen module are pressed on a welding workpiece after the operation is finished. And a welding microswitch 13 on the welding pen module is pressed, the control module 10 is connected with the output of the high-power transformer 2 for welding, the control circuit is disconnected after the time is up, and the welding is stopped.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides a take self-protect function's portable spot welder which characterized in that: the shell comprises shell splicing blocks (15), an upper panel (6), a lower panel (1), a front panel (24), a rear panel (25) and side panels (18), wherein the upper panel, the lower panel, the front panel, the rear panel and the side panels are connected through the shell splicing blocks (15);
a first fixing plate (11), a second fixing plate (9), a low-power transformer (16), a high-power transformer (2), a power conversion module (8) and a control module (10) are arranged in the shell; the first fixing plate (11) and the second fixing plate (9) are respectively embedded into grooves formed in the side panels (18), the high-power transformer (2) is fixedly installed on the lower panel (1), the small-power transformer (16) is fixedly installed at the position, close to the rear panel (25), of the lower panel (1), the small-power transformer (16) supplies power to the control module (10), the power conversion module (8) is fixedly installed on the first fixing plate (11), and the control module (10) is fixedly installed on the second fixing plate (9);
the front panel (24) is fixedly connected with a welding pen module, the welding pen module comprises a positive wire holder (23), a negative wire holder (21), a binding post (22), a positive welding pen (12) and a negative welding pen (14), the front panel (24) is provided with a hole, the positive wire holder (23) and the negative wire holder (21) are fixed with the front panel (24) through the hole, the positive welding pen (12) and the negative welding pen (14) are correspondingly and fixedly connected with the positive wire holder (23) and the negative wire holder (21) through a quick connection bayonet, and the high-power transformer (2) supplies power to the welding pen module;
a digital display module (19) and a time current adjusting module (20) are arranged on the outer side of the front panel (24), the time current adjusting module (20) is connected with the digital display module (19), and the digital display module (19) displays the welding time and the welding output current;
the rear panel (25) outside sets up power module, power module includes direct current positive terminal (4), direct current negative terminal (5) and switch module (3), direct current positive terminal (4) and direct current negative terminal (5) link to each other with power conversion module (8), power conversion module (8) link to each other with switch module (3) after converting direct current into the alternating current, switch module (3) output two way voltage, output voltage links to each other with low-power transformer (16) all the way, the output voltage L utmost point of another way links to each other with the L utmost point of high power transformer (2) through control module (10), the output voltage N utmost point of another way links to each other with the N utmost point of high power transformer (2).
2. The portable spot welder with self-protection function according to claim 1, characterized in that: the welding pen module further comprises a welding microswitch (13), the welding microswitch (13) is arranged at the front end of the positive welding pen (12), and the welding microswitch (13) is connected with the wiring terminal (22) and the control module (10) through an electric wire.
3. The portable spot welder with self-protection function according to claim 1, characterized in that: the time current adjusting module (20) comprises a knob switch, and the time current adjusting module (20) is adjusted by rotating the knob switch.
4. The portable spot welder with self-protection function according to claim 1, characterized in that: the LED lamp is characterized by further comprising a heat dissipation module (17), wherein the heat dissipation module (17) is fixedly installed on the inner side of the rear panel (25), and the low-power transformer (16) supplies power to the heat dissipation module (17).
5. The portable spot welder with self-protection function according to claim 4, characterized in that: the rear panel (25) corresponding to the heat dissipation module (17) is provided with heat dissipation holes.
6. The portable spot welder with self-protection function according to claim 1, characterized in that: the upper panel (6) is also provided with a handle (7), and the handle (7) is fixedly connected with the upper panel (6).
7. The portable spot welder with self-protection function according to claim 1, characterized in that: the shell splicing blocks (15) are corner connectors, and threads are arranged in the corner connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922342289.6U CN211276945U (en) | 2019-12-23 | 2019-12-23 | Take self-protect function's portable spot welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922342289.6U CN211276945U (en) | 2019-12-23 | 2019-12-23 | Take self-protect function's portable spot welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211276945U true CN211276945U (en) | 2020-08-18 |
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ID=72012195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922342289.6U Active CN211276945U (en) | 2019-12-23 | 2019-12-23 | Take self-protect function's portable spot welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211276945U (en) |
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2019
- 2019-12-23 CN CN201922342289.6U patent/CN211276945U/en active Active
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