CN110871319B - Integrated resistance welding tongs that triggers accurate control pressure - Google Patents
Integrated resistance welding tongs that triggers accurate control pressure Download PDFInfo
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- CN110871319B CN110871319B CN201811004323.2A CN201811004323A CN110871319B CN 110871319 B CN110871319 B CN 110871319B CN 201811004323 A CN201811004323 A CN 201811004323A CN 110871319 B CN110871319 B CN 110871319B
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- electrode
- resistance welding
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- supporting plate
- pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
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Abstract
The invention discloses a resistance welding tongs for integrated triggering and precise pressure control, which integrates a pressure device and an electronic trigger switch into a whole, realizes the triggering of the electronic trigger switch while carrying out the pressing operation, leads an electrode to be electrified, realizes the resistance welding under the action of current, and has simple operation and good welding quality; in addition, the resistance welding tongs can also be used for designing various electrodes which can be quickly replaced according to the positions to be welded and the shapes and the sizes of parts; the pressure is quantized through the scale control button, and the pressure precision control in the welding process is realized.
Description
Technical Field
The invention relates to the technical field of special welding precision control, in particular to a resistance welding tongs integrating triggering precision control pressure, wherein an execution part and a welding trigger switch are integrated into a whole. The resistance welding tongs are mainly applied to welding of microminiature parts of aerospace relays and T0-5 relays.
Background
Resistance welding (resistance welding) is a method of welding workpieces by applying pressure to the workpieces by electrodes after the workpieces are assembled and using resistance heat generated by passing current through contact surfaces and adjacent areas of joints. Resistance welding uses the effect of electrical resistance heating produced by current flowing through the contact surfaces and adjacent areas of the workpieces to heat them to a molten or plastic state to form a metallic bond.
Electronic components have higher requirements on the welding application range and the welding quality of resistance welding, and particularly, the traditional resistance welding triggering mode and pressure control cannot meet new process requirements, and the traditional spot welding equipment, even a resistance welding robot, for some electronic components with ultra-small internal space size and complex structures is difficult to weld a plurality of complex parts. The traditional resistance welding tongs are only of a simple tweezers type structure and are separated from a welding trigger switch, when the resistance welding tongs are used, the tweezers type welding tongs are firstly used for clamping a workpiece to be welded, a certain pressure is applied, then the pedal trigger switch is stepped, and one-time welding is finished. Traditional resistance welding tongs can realize resistance welding, compresses tightly and separately sets up with triggering, and welding process needs both reasonable cooperation side can effectively weld, and welding quality uniformity is poor, and the operation is more loaded down with trivial details. The pressure can not be precisely controlled and can only be artificially controlledSensory control, by Joule's law Q ═ I2RT indicates that the resistance R cannot be precisely controlled, due to Joule's law Q ═ I2The resistance R in RT is in inverse proportion to the pressure, the larger the pressure is, the smaller the resistance R is, so that the resistance R can change along with the change of the pressure applied to the workpiece, the pressure cannot be precisely controlled, the R cannot be precisely controlled, and the welding quality consistency is poor.
Disclosure of Invention
In order to solve the problems of the traditional resistance welding tongs, the invention aims to provide the resistance welding tongs integrating the trigger and the precision control pressure, wherein the execution part and the welding trigger switch are integrated into a whole.
The resistance welding tongs integrating triggering and precisely controlling the pressure provided by the invention have the following two structures:
the first structure is as follows: the electrode assembly comprises an upper shell, a lower shell, an upper supporting plate, a lower supporting plate, an electrode A, an electrode B pressure device and an electronic trigger switch, wherein the upper shell and the lower shell are fixed through an insulating locking sleeve; the electrode A is arranged at one end of the upper supporting plate extending out of the upper shell, and the electrode B is arranged at one end of the lower supporting plate extending out of the lower shell; the pressure device comprises a pressure applying block and a button, the pressure applying block is slidably mounted in the upper shell, the button is positioned below the pressure applying block and penetrates through the upper supporting plate, and the electronic trigger switch is positioned below the button; the electronic trigger switch is connected to the power supply controller and used for controlling the power supply controller to output current, the electrode A and the electrode B are electrically connected with the output end of the power supply controller, and the control power supply controls the output current to be loaded on the electrode A and the electrode B.
The resistance welding tongs integrated with the triggering precision pressure control device integrates the pressure device and the electronic trigger switch, realizes triggering of the electronic trigger switch while carrying out pressing operation, enables the electrodes to be electrified, realizes resistance welding under the action of current, and has the advantages of simple operation and good welding quality.
The spring is arranged between the upper supporting plate and the lower supporting plate. The pressure is accurately ensured according to the compression amount of the spring.
The electrode a and the electrode B in the first structure are detachably mounted on the upper support plate and the lower support plate. The detachable separated electrode A and the detachable electrode B can be designed to be various electrodes capable of being replaced quickly according to the positions to be welded and the shapes and the sizes of parts.
The second structure is as follows: the electrode A is movably mounted on the inner side surface of the upper shell, one end of the electrode A extends out of the upper shell along the transverse direction, the electrode B is mounted on the inner side surface of the lower shell, and one end of the electrode B extends out of the lower shell along the transverse direction; the pressure device comprises a pressure applying block and a button, the pressure applying block is slidably arranged in the upper shell, the button is positioned below the pressure applying block and penetrates through the electrode A, and the electronic trigger switch is positioned below the button; the electronic trigger switch is connected to the power supply controller and used for controlling the power supply controller to output current, the electrode A and the electrode B are electrically connected with the output end of the power supply controller, and the control power supply controls the output current to be loaded on the electrode A and the electrode B.
The structure integrates the pressure device and the electronic trigger switch, realizes the triggering of the electronic trigger switch while carrying out the pressing operation, leads the electrode to be electrified, realizes the resistance welding under the action of current, and has simple operation and good welding quality.
The electrode structure further comprises a spring on the basis of the second structure, wherein the spring is positioned between the electrode A and the electrode B. The pressure is accurately ensured according to the compression amount of the spring.
In order to better ensure the pressure accuracy and the welding quality, the buttons in the first structure and the second structure are scale control buttons. The pressure is quantized through the scale control button, and the pressure precision control in the welding process is realized.
The invention has the beneficial effects that: the resistance welding tongs are simple to operate and good in welding quality, and various electrodes which can be quickly replaced can be designed according to the positions to be welded and the shapes and the sizes of parts; the pressure is quantized through the scale control button, and the pressure precision control in the welding process is realized.
Drawings
FIG. 1 is a schematic structural diagram of a first integrated trigger precision pressure control resistance welding clamp according to the present invention;
FIG. 2 is a schematic structural diagram of a second integrated trigger precision pressure control resistance welding clamp according to the present invention;
FIG. 3 is a second schematic structural diagram of a first integrated trigger precision pressure control resistance welding clamp according to the present invention;
FIG. 4 is a second schematic structural diagram of a second integrated trigger precision pressure control resistance welding clamp according to the present invention;
FIG. 5 is a schematic structural diagram of a scale control button according to the present invention;
in the figure: 1-upper shell, 2-lower shell, 3-upper supporting plate, 4-lower supporting plate, 5-electrode A, 6-electrode B, 7-electronic trigger switch, 8-insulating locking sleeve, 9-pressing block, 10-button, 11-spring, 101-regulating groove and 102-mechanical scale.
Detailed description of the preferred embodiments
The claimed subject matter is described in further detail with reference to the drawings and the detailed description.
The technical scheme required to be protected by the application is that the resistance welding tongs for integrated triggering and precisely controlling pressure comprise the following two structures.
The first structure is shown in fig. 1, the resistance welding tongs in the structure comprises an upper shell 1, a lower shell 2, an upper support plate 3, a lower support plate 4, an electrode a5, an electrode B6, a pressure device and an electronic trigger switch 7, wherein the upper shell 1 and the lower shell 2 are fixed through an insulating locking sleeve 8, the upper support plate 3 is movably arranged on the inner side surface of the upper shell 1, one end of the upper support plate extends out of the upper shell 1 along the transverse direction, the lower support plate 4 is arranged on the inner side surface of the lower shell 2, and one end of the lower support plate extends out of the lower shell 2 along the transverse direction; the electrode A5 is arranged at one end of the upper support plate 3 extending out of the upper shell 1, and the two are connected together; the electrode B6 is mounted on the end of the lower support plate 4 extending out of the lower case 2, and the two are connected together; pressure device is including exerting pressure piece 9 and button 10, upward set up the mounting hole with last backup pad 3 intercommunication on the casing 1, it installs in the mounting hole and its length is less than the length of mounting hole to exert pressure piece 9, piece 9 that exerts pressure can be in the mounting hole lapse under exerting pressure, button 10 is located the below of exerting pressure piece 9 and runs through backup pad 3, when exerting pressure to piece 9 that exerts pressure, its conflict button 10 that slides downwards makes button 10 drive backup pad 3 move to 4 directions of backup pad in the lump and make button 10 conflict be located its below electronic trigger switch 7, drive simultaneously and install in the electrode A5 of 3 one end of backup pad in the lump remove to electrode B6 direction. The electronic trigger switch 7 is connected with a power supply controller, the output of the power supply controller is connected with an electrode A5 and an electrode B6, when the electronic trigger switch 7 is abutted, an output signal controls the output current of the power supply controller and is loaded on an electrode A5 and an electrode B6, and resistance welding is completed under the action of the current.
The above manner of connecting the electrode a5 and the electrode B6 in the resistance welding tongs with the output of the power controller can also adopt the following manner:
the upper supporting plate 3 and the lower supporting plate 4 are of metal structures and are respectively integrated with the electrode A5 and the electrode B6, at this time, one ends of the upper supporting plate 3 and the lower supporting plate 4, which are not provided with the electrode A5 and the electrode B6, are connected to the output end of the power supply controller through leads, so that the electrode A5 and the electrode B6 are connected with the output end of the power supply controller. For the convenience of connection, the ends of the upper support plate 3 and the lower support plate 4, which are not provided with the electrode a5 and the electrode B6, can also extend out of the insulating locking sleeve 8 in the transverse direction, as shown in fig. 3.
In order to ensure the pressure precision, a spring 11 is added on the basis of the structure, the spring 11 is arranged between the upper supporting plate 3 and the lower supporting plate 4, the pressure is controlled through the compression amount of the spring, and the welding quality is ensured.
Further, an upper support plate 3 extending out of the upper bracket 1 is provided with a mounting hole, and the electrode A5 is detachably mounted on the upper support plate 3 in a bolt or screw mode; similarly, the lower support plate 4 extending out of the lower holder 2 is provided with mounting holes, and the electrode B6 is detachably mounted on the lower support plate 4 by means of bolts or screws. Various electrodes capable of being rapidly replaced can be designed according to the positions to be welded and the shapes and the sizes of parts.
The second structure is shown in fig. 2, the resistance welding tongs in the structure comprises an upper shell 1, a lower shell 2, an electrode a5, an electrode B6, a pressure device and an electronic trigger switch 7, wherein the upper shell 1 and the lower shell 2 are fixed through an insulating locking sleeve 8, the electrode a5 is movably installed on the inner side surface of the upper shell 1, one end of the electrode a extends out of the upper shell 1 along the transverse direction, the electrode B6 is installed on the inner side surface of the lower shell 2, and one end of the electrode B6 extends out of the lower shell 2 along the transverse direction; the pressure device comprises a pressure applying block 9 and a button 10, wherein the upper shell 1 is provided with a mounting hole communicated with the electrode A5, the pressure applying block 9 is mounted in the mounting hole and the length of the pressure applying block is smaller than that of the mounting hole, the pressure applying block 9 can slide downwards in the mounting hole under the pressure application, the button 10 is positioned below the pressure applying block 9 and penetrates through the electrode A5, and when the pressure applying block 9 is pressed, the button 10 slides downwards to abut against the button 10, so that the button 10 drives the electrode A5 to move towards the electrode B6 and the button 10 abuts against the electronic trigger switch 7 positioned below the button. The electronic trigger switch 7 is connected with a power supply controller, the output of the power supply controller is connected with an electrode A5 and an electrode B6, when the electronic trigger switch 7 is abutted, an output signal controls the output current of the power supply controller and is loaded on an electrode A5 and an electrode B6, and resistance welding is completed under the action of the current.
In order to facilitate connection to the output of the power supply controller, the second type of resistance welding pliers provided by the present application has one end, which is not the clamping end, of electrode a5 and electrode B6 extending laterally beyond insulating locking sleeve 8, as shown in fig. 4.
In order to ensure the pressure precision, the mechanism also comprises a spring 11, the spring 11 is positioned between the electrode A5 and the electrode B6, the pressure is controlled by the compression amount of the spring, and the welding quality is ensured.
The button 10 employed in the above first and second configurations is a scale control button, as shown in fig. 5; the scale control button comprises an end adjustment slot 101, an upper mechanical scale 102, and a middle and lower mechanical thread.
The electrode A5 and the electrode B6 in the resistance welding tongs provided by the application both comprise a mounting part and a clamping part, wherein the mounting part is used for mounting, and the clamping part is used for clamping a device to be welded (such as a resistor) in the using process; in order to ensure the stability of the clamping and to facilitate the handling, the ends of the clamping portions of the electrode a5 and the electrode B6 are of a pointed structure.
The application utilizes the compression capacity of spring to realize controlling the pressure of exerting pressure on the resistance among the resistance welding tongs that provides, has guaranteed to exert the pressure relatively stable on the resistance, and easily controls, so produced heat is invariable relatively on the resistance, has solved because of artifical exerting pressure leads to the poor problem of welding quality.
Claims (8)
1. The utility model provides an integrated resistance welding tongs that triggers accurate control pressure which characterized in that: the resistance welding tongs comprise an upper shell (1), a lower shell (2), an upper supporting plate (3), a lower supporting plate (4), an electrode A (5), an electrode B (6), a pressure device and an electronic trigger switch (7), wherein the upper shell (1) and the lower shell (2) are fixed through an insulating locking sleeve (8), the upper supporting plate (3) is movably arranged on the inner side surface of the upper shell (1), one end of the upper supporting plate extends out of the upper shell (1) along the transverse direction, the lower supporting plate (4) is arranged on the inner side surface of the lower shell (2), and one end of the lower supporting plate extends out of the lower shell (2) along the transverse direction; the electrode A (5) is arranged at one end of the upper supporting plate (3) extending out of the upper shell (1), and the electrode B (6) is arranged at one end of the lower supporting plate (4) extending out of the lower shell (2); the pressure device comprises a pressurizing block (9) and a button (10), the pressurizing block (9) is slidably mounted in the upper shell (1), the button (10) is positioned below the pressurizing block (9) and penetrates through the upper support plate (3), and the electronic trigger switch (7) is positioned below the button (10); the electronic trigger switch (7) is connected to a power supply controller and used for controlling the output current of the power supply controller, the electrode A (5) and the electrode B (6) are electrically connected with the output end of the power supply controller, and the power supply is controlled to control the output current to be loaded on the electrode A (5) and the electrode B (6).
2. The integrated triggered precision pressure controlled resistance welding tongs according to claim 1, characterized by: the pressure device further comprises a spring (11), wherein the spring (11) is positioned between the upper supporting plate (3) and the lower supporting plate (4).
3. An integrated triggered precision pressure controlled resistance welding clamp as claimed in claim 1 or 2 wherein: the electrode A (5) and the electrode B (6) are detachably mounted on the upper supporting plate (3) and the lower supporting plate (4).
4. An integrated triggered precision pressure controlled resistance welding clamp as claimed in claim 1 or 2 wherein: the button is a scale control button.
5. The integrated triggered precision pressure controlled resistance welding tongs according to claim 3 characterized in that: the button is a scale control button.
6. The utility model provides an integrated resistance welding tongs that triggers accurate control pressure which characterized in that: the resistance welding tongs comprise an upper shell (1), a lower shell (2), an electrode A (5), an electrode B (6), a pressure device and an electronic trigger switch (7), wherein the upper shell (1) and the lower shell (2) are fixed through an insulating locking sleeve (8), the electrode A (5) is movably arranged on the inner side surface of the upper shell (1), one end of the electrode A extends out of the upper shell (1) along the transverse direction, the electrode B (6) is arranged on the inner side surface of the lower shell (2), and one end of the electrode B extends out of the lower shell (2) along the transverse direction; the pressure device comprises a pressurizing block (9) and a button (10), the pressurizing block (9) is slidably mounted in the upper shell (1), the button (10) is positioned below the pressurizing block (9) and penetrates through the electrode A (5), and the electronic trigger switch (7) is positioned below the button (10); the electronic trigger switch (7) is connected to a power supply controller and used for controlling the output current of the power supply controller, the electrode A (5) and the electrode B (6) are electrically connected with the output end of the power supply controller, and the power supply is controlled to control the output current to be loaded on the electrode A (5) and the electrode B (6).
7. The integrated triggered precision pressure controlled resistance welding tongs according to claim 6, characterized by: the pressure device further comprises a spring (11), the spring (11) being located between the electrode a (5) and the electrode B (6).
8. An integrated triggered precision pressure controlled resistance welding clamp as claimed in claim 6 or 7 wherein: the button is a scale control button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004323.2A CN110871319B (en) | 2018-08-30 | 2018-08-30 | Integrated resistance welding tongs that triggers accurate control pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004323.2A CN110871319B (en) | 2018-08-30 | 2018-08-30 | Integrated resistance welding tongs that triggers accurate control pressure |
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| Publication Number | Publication Date |
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| CN110871319A CN110871319A (en) | 2020-03-10 |
| CN110871319B true CN110871319B (en) | 2022-03-04 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058360U (en) * | 1989-11-13 | 1990-06-20 | 陈国梁 | Pipe welding device |
| US5239155A (en) * | 1992-11-19 | 1993-08-24 | Goran Olsson | Multipurpose spot welding gun with replaceable electrode holders |
| JP2009248166A (en) * | 2008-04-09 | 2009-10-29 | Chuo Seisakusho Ltd | Multi-spot welding equipment |
| CN202667903U (en) * | 2012-06-04 | 2013-01-16 | 佛山市顺德区精进能源有限公司 | Handheld spot welding machine |
| CN104741754A (en) * | 2013-12-27 | 2015-07-01 | 镇江市润华无线电专用设备制造有限责任公司 | Double-head spot welding machine head |
| CN206662524U (en) * | 2017-04-28 | 2017-11-24 | 厦门鸿凯电子科技有限公司 | Automobile camera head shielding case mash welder |
-
2018
- 2018-08-30 CN CN201811004323.2A patent/CN110871319B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058360U (en) * | 1989-11-13 | 1990-06-20 | 陈国梁 | Pipe welding device |
| US5239155A (en) * | 1992-11-19 | 1993-08-24 | Goran Olsson | Multipurpose spot welding gun with replaceable electrode holders |
| JP2009248166A (en) * | 2008-04-09 | 2009-10-29 | Chuo Seisakusho Ltd | Multi-spot welding equipment |
| CN202667903U (en) * | 2012-06-04 | 2013-01-16 | 佛山市顺德区精进能源有限公司 | Handheld spot welding machine |
| CN104741754A (en) * | 2013-12-27 | 2015-07-01 | 镇江市润华无线电专用设备制造有限责任公司 | Double-head spot welding machine head |
| CN206662524U (en) * | 2017-04-28 | 2017-11-24 | 厦门鸿凯电子科技有限公司 | Automobile camera head shielding case mash welder |
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| CN110871319A (en) | 2020-03-10 |
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