CN218575365U - Pressure adjustable hand-held welding tongs - Google Patents
Pressure adjustable hand-held welding tongs Download PDFInfo
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- CN218575365U CN218575365U CN202223177456.4U CN202223177456U CN218575365U CN 218575365 U CN218575365 U CN 218575365U CN 202223177456 U CN202223177456 U CN 202223177456U CN 218575365 U CN218575365 U CN 218575365U
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Abstract
The utility model discloses a pressure adjustable handheld welding tongs, which comprises a shell (1), an upper electrode (2), a lower electrode (3), a button (4), a reset spring (5), a stroke adjusting component, a pressure adjusting component and a switch component; the shell is of a hollow structure with an opening at the top and the front end, the lower electrode penetrates through the shell and is fixedly connected with the shell, and the lower electrode is positioned at the lower part of the shell; the upper electrode penetrates through the shell and is rotatably connected with the shell, the upper electrode is positioned at the upper part of the shell, and the welding end of the upper electrode can be movably connected with the welding end of the lower electrode; one end of the button is rotatably arranged at the top of the shell, and the button is connected above the upper electrode through the stroke adjusting assembly, so that the button and the upper electrode can rotate relatively or synchronously; the pressure adjusting assembly and the switch assembly are both arranged between the button and the upper electrode, and the reset spring is abutted between the upper electrode and the lower electrode. The utility model discloses can adjust the electrode and push down stroke and upper and lower electrode welding pressure.
Description
Technical Field
The utility model relates to a handheld soldering turret especially relates to a handheld soldering turret with adjustable pressure.
Background
The hand-held welding tongs are a small welding device and comprise a shell, an upper electrode, a lower electrode, a pressing handle and the like. The lower electrode is fixedly arranged at the front end of the shell, the upper electrode is rotatably arranged at the front end of the shell through the pressing handle, when the pressing handle is pressed down, the upper electrode is synchronously pressed down along with the pressing handle and is in contact with the lower electrode, the mechanical switch is turned on, and the upper electrode and the lower electrode are electrified to realize welding operation.
The handheld welding tongs in the prior art completely depends on experience of operators to press down the pressing handle, the stroke and the pressure of pressing down the pressing handle are not controllable, the technical level of the operators is uneven, the welding effect cannot be guaranteed, and the welding quality is low. Therefore, it is desirable to provide a pressure adjustable handheld electrode holder that can adjust the pressing stroke of the upper electrode and the welding pressure of the upper electrode and the lower electrode.
Disclosure of Invention
An object of the utility model is to provide a handheld soldering turret with adjustable pressure can adjust the electrode and push down stroke and upper and lower electrode welding pressure.
The utility model discloses a realize like this:
a pressure-adjustable handheld welding tongs comprises a shell, an upper electrode, a lower electrode, a button, a return spring, a stroke adjusting assembly, a pressure adjusting assembly and a switch assembly; the shell is of a hollow structure with an opening at the top and the front end, the lower electrode penetrates through the shell and is fixedly connected with the shell, and the lower electrode is positioned at the lower part of the shell; the upper electrode penetrates through the shell and is rotatably connected with the shell, the upper electrode is positioned at the upper part of the shell, and the welding end of the upper electrode can be movably connected with the welding end of the lower electrode; one end of the button is rotatably arranged at the top of the shell, and the button is connected above the upper electrode through the stroke adjusting assembly, so that the button and the upper electrode can rotate relatively or synchronously; the pressure regulating assembly and the switch assembly are both arranged between the button and the upper electrode, and the return spring is abutted between the upper electrode and the lower electrode.
The stroke adjusting assembly comprises a stroke adjusting screw rod, a locking nut and a limiting plate; one end of the limiting plate is fixedly connected to the other end of the button, and the other end of the limiting plate extends downwards and forms a limiting hole, so that the welding end of the upper electrode penetrates through the limiting plate through the limiting hole; the button is provided with an adjusting hole, the locking nut is arranged on the button and aligned with the adjusting hole, the stroke adjusting screw rod is screwed in the locking nut and penetrates through the button, the upper end of the stroke adjusting screw rod is positioned above the button, and the lower end of the stroke adjusting screw rod can be in contact connection with the upper electrode.
The limiting hole is a waist-shaped long hole extending vertically, and the length of the limiting hole is larger than the diameter of the upper electrode.
The pressure adjusting component comprises a pressure adjusting bolt and a pressure spring; a screw hole is formed on the button, and the pressure adjusting bolt is screwed in the screw hole in a matching way; the pressure regulating bolt is pressed against one end of the pressure spring, the upper electrode is provided with a mounting hole, and the other end of the pressure spring is embedded in the mounting hole, so that the pressure spring can be elastically arranged between the button and the upper electrode.
The pressure regulating bolt is characterized in that a boss is formed in the center of the end part of the pressure regulating bolt, one end of the pressure spring is sleeved on the boss, and the end face of one end of the pressure spring is attached to the end face of the pressure regulating bolt.
The pressure regulating assembly further comprises a pressure sensor, and the pressure sensor is arranged in the mounting hole of the upper electrode and is in contact connection with the other end of the pressure spring.
The switch assembly comprises a photoelectric switch and a switch trigger plate, the photoelectric switch is installed on the upper electrode, one end of the switch trigger plate is connected to the bottom of the button, and the other end of the switch trigger plate can trigger the photoelectric switch in a non-contact mode.
And a plurality of balls are embedded on the two side walls of the upper electrode, so that the upper electrode is in rolling contact with the inner wall of the shell through the balls.
The shell in be equipped with installation spacing bolt, the bottom of going up the electrode is formed with the spacing groove, goes up the electrode and can pass through spacing groove and installation spacing bolt butt.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses owing to be equipped with stroke adjustment subassembly and pressure adjustment subassembly, can be through the stroke of pushing down of stroke adjustment lead screw adjustment button upper electrode relatively to control pressure spring's compression degree produces stable holding down force to the bottom electrode through pressure spring when making the upper electrode push down, and then forms stable welding pressure when welding jobs, has effectively guaranteed welding quality, also is favorable to improving welding efficiency, and is lower to operating personnel's technical merit requirement.
2. The utility model discloses owing to be equipped with the pressure adjustment subassembly, can further adjust pressure spring's degree of compression through the precession of pressure adjustment bolt and precession to through pressure sensor measurement pressure spring's bottom pressure, thereby accurate control welding pressure has further guaranteed welding quality.
3. The utility model discloses owing to be equipped with switch module, utilize the break-make electricity of photoelectricity trigger switch control upper electrode and bottom electrode, accurate control triggers the opportunity when the button pushes down, compares traditional mechanical switch and has better stability and security, long service life.
4. The utility model discloses simple structure, small in size, the one-hand operation of being convenient for can reequip on traditional handheld soldering turret, and the cost is lower.
Drawings
FIG. 1 is a perspective view of the pressure adjustable hand-held welding tongs of the present invention;
FIG. 2 is a schematic view of the internal structure of the pressure adjustable handheld welding tongs of the present invention;
fig. 3 is a side view of the ball assembly of the pressure adjustable hand-held electrode holder of the present invention.
In the figure, 1 shell, 101 mounting limit bolt, 2 upper electrode, 201 first rotating piece, 202 ball, 203 limit groove, 3 lower electrode, 4 button, 401 second rotating piece, 5 reset spring, 601 stroke adjusting screw rod, 602 lock nut, 603 limit plate, 604 limit hole, 701 pressure adjusting bolt, 702 pressure spring, 703 boss, 704 pressure sensor, 801 photoelectric switch, 802 switch trigger plate.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, a pressure adjustable handheld welding tongs comprises a shell 1, an upper electrode 2, a lower electrode 3, a button 4, a return spring 5, a stroke adjusting assembly, a pressure adjusting assembly and a switch assembly; the shell 1 is a hollow structure with an opening at the top and the front end, the lower electrode 3 penetrates through the shell 1 and is fixedly connected with the shell 1, and the lower electrode 3 is positioned at the lower part of the shell 1; the upper electrode 2 penetrates through the shell 1 and is rotatably connected with the shell 1 through a first rotating piece 201, the upper electrode 2 is positioned at the upper part of the shell 1, and the welding end of the upper electrode 2 can be movably connected with the welding end of the lower electrode 3; one end of the button 4 is rotatably arranged at the top of the shell 1 through a second rotating part 401, and the button 4 is connected above the upper electrode 2 through a stroke adjusting assembly, so that the button 4 and the upper electrode 2 can rotate relatively or synchronously; the pressure regulating assembly and the switch assembly are both arranged between the button 4 and the upper electrode 2, and the return spring 5 is abutted between the upper electrode 2 and the lower electrode 3.
The stroke adjusting component can be used for adjusting the pressing stroke of the button 4, so that the pressing stroke of the button 4 can ensure the welding contact between the upper electrode 2 and the lower electrode 3, thereby meeting the welding requirement, and simultaneously avoiding the problems that the welding contact pressure is too large due to the excessive pressing of the button 4, the upper electrode 2 and the lower electrode 3 are damaged and the welding quality is caused. The pressure regulating assembly can be matched with the stroke regulating assembly and is used for controlling the welding contact pressure between the welding end of the upper electrode 2 and the welding end of the lower electrode 3, so that the welding quality is improved.
The button 4 is pressed downwards, the button 4 rotates downwards around the second rotating piece 401, the upper electrode 2 rotates around the first rotating piece 201, the button 4 synchronously moves downwards along with the rotation of the button and is in contact with the lower electrode 3, the return spring 5 is compressed at the moment, the switch assembly is triggered, and the electrified welding operation of the upper electrode 2 and the lower electrode 3 is realized. After the button 4 is released, the reset spring 5 resets, the upper electrode 2 and the button 4 are pushed upwards to reset, the switch assembly is closed, and the upper electrode 2 and the lower electrode 3 are powered off to stop welding.
Referring to fig. 1 and fig. 2, the stroke adjusting assembly includes a stroke adjusting screw 601, a locking nut 602 and a limiting plate 603; one end of the limiting plate 603 is fixedly connected to the other end of the button 4, and the other end of the limiting plate 603 extends downwards and forms a limiting hole 604, so that the welding end of the upper electrode 2 penetrates through the limiting plate 603 through the limiting hole 604; an adjusting hole (not shown in the figure) is formed on the button 4, the locking nut 602 is arranged on the button 4 and aligned with the adjusting hole, the stroke adjusting screw rod 601 is screwed in the locking nut 602 and penetrates through the button 4, the upper end of the stroke adjusting screw rod 601 is positioned above the button 4, and the lower end of the stroke adjusting screw rod 601 can be in contact connection with the upper electrode 2.
The stroke adjustment screw 601 can be moved upward or downward with respect to the lock nut 602 by a screw thread rotation, so that a distance between the stroke adjustment screw 601 and the upper electrode 2 can be adjusted for a maximum pressing stroke of the control button 4. The limiting hole 604 has the functions of stroke guiding and limiting for the upper electrode 2, so that the pressing stroke of the upper electrode 2 is stable and controllable, and the left and right swinging of the upper electrode 2 is avoided.
Referring to fig. 1 and fig. 2, the position-limiting hole 604 is a vertically extending kidney-shaped slot, and the length of the position-limiting hole 604 is greater than the diameter of the upper electrode 2.
The maximum relative stroke between the upper electrode 2 and the button 4 can be limited through the long limiting hole 604, so that the use safety is improved, and the stable pressing of the upper electrode 2 is also ensured.
Referring to fig. 1 and 2, the pressure adjusting assembly includes a pressure adjusting bolt 701 and a pressure spring 702; a screw hole is formed on the button 4, and the pressure adjusting bolt 701 is screwed in the screw hole in a matching way; the pressure adjusting pin 701 presses against one end of the pressure spring 702, a mounting hole (not shown) is formed in the upper electrode 2, and the other end of the pressure spring 702 is embedded in the mounting hole, so that the pressure spring 702 can be elastically arranged between the button 4 and the upper electrode 2.
In the process that the button 4 rotates downwards, the pressure spring 702 is compressed until the lower end of the stroke adjusting screw 601 is abutted to the upper electrode 2, the reaction force of the pressure spring 702 enables the welding end of the upper electrode 2 to generate a certain welding pressure on the welding end of the lower electrode 3, and the stroke of the button 4 is limited by the stroke adjusting screw 601, so that the compression amount of the pressure spring 702 is fixed, and the stability of the welding pressure is ensured. The compression degree of the pressure spring 702 can be further accurately adjusted by screwing in and out the pressure adjusting bolt 701 relative to the screw hole, so that the welding pressure can be accurately finely adjusted, the welding requirements can be met, and the welding quality can be improved.
Referring to fig. 2, a boss 703 is formed at the center of the end of the pressure adjusting bolt 701, one end of the pressure spring 702 is sleeved on the boss 703, and an end face of one end of the pressure spring 702 is attached to the end face of the pressure adjusting bolt 701.
Because the button 4 and the upper electrode 2 rotate, a slight angle change exists between the pressure adjusting bolt 701 and the pressure spring 702, the boss 703 can prevent the pressure spring 702 from being separated from the pressure adjusting bolt 701, and simultaneously, the requirements of deformation such as torsion, inclination and the like which may occur to the pressure spring 702 can be met through the aperture design of the mounting hole, and the aperture of the mounting hole can be slightly larger than the diameter of the pressure spring 702.
Referring to fig. 2, the pressure regulating assembly further includes a pressure sensor 704, and the pressure sensor 704 is disposed in the mounting hole of the upper electrode 2 and is in contact connection with the other end of the pressure spring 702.
The pressure sensor 704 can be externally connected with a display screen and other devices, and is used for sensing and displaying the pressure of the pressure spring 702 on the pressure sensor 704, namely the welding pressure between the welding end of the upper electrode 2 and the welding end of the lower electrode 3, and displaying the pressure on the display screen, so that the welding pressure can be adjusted and controlled easily, accurately, stably and in real time, and the welding quality is improved.
Referring to fig. 1 and fig. 2, the switch assembly includes a photoelectric switch 801 and a switch trigger plate 802, the photoelectric switch 801 is mounted on the upper electrode 2, one end of the switch trigger plate 802 is connected to the bottom of the button 4, and the other end of the switch trigger plate 802 can trigger the photoelectric switch 801 in a non-contact manner.
The switch trigger plate 802 is pressed down along with the button 4 and inserted into the trigger end of the photoelectric switch 801, the non-contact triggering of the photoelectric switch 801 is realized by utilizing the shielding of the switch trigger plate 802 on light beams, the handheld welding tongs are electrified by triggering the photoelectric switch 801, and the welding operation of the welding end of the welding tongs is realized by electrifying the upper electrode 2 and the lower electrode 3. Compared with the traditional mechanical switch, the photoelectric triggering mode has more stable performance, can accurately control the triggering time, is safer to use and has long service life.
Referring to fig. 2 and 3, a plurality of balls 202 are embedded on both side walls of the upper electrode 2, so that the upper electrode 2 is in rolling contact with the inner wall of the housing 1 through the balls 202.
In the process that the upper electrode 2 rotates relative to the shell 1, sliding friction between the upper electrode 2 and the inner wall of the shell 1 is converted into rolling friction through the balls 202, so that friction force is reduced, and the upper electrode 2 is guaranteed to be pressed stably and smoothly without swinging left and right.
Referring to fig. 1 and fig. 2, an installation limit bolt 101 is disposed in the housing 1, a limit groove 203 is formed at the bottom of the upper electrode 2, and the upper electrode 2 can abut against the installation limit bolt 101 through the limit groove 203.
Through the cooperation of installation spacing bolt 101 and spacing groove 203 for the biggest stroke that pushes down of restriction upper electrode 2 guarantees the safe welding of upper electrode 2 and lower electrode 3, avoids upper electrode 2 to push down excessively and lead to the welding end to damage or welding pressure too big.
Referring to fig. 1 to fig. 3, the using method and the working principle of the present invention are:
the stroke adjustment screw 601 is rotated relative to the lock nut 602 to be screwed into the housing 1 and positioned above the top of the upper electrode 2, and the distance between the stroke adjustment screw 601 and the upper electrode 2 is used to control the downward stroke of the button 4. The pressure adjusting bolt 701 is rotated relative to the screw hole to compress or release the pressure spring 702, the compression degree of the pressure spring 702 is utilized to adjust the pressure of the welding end of the upper electrode 2 to the welding end of the lower electrode 3, the pressure sensor 704 senses the pressure, the pressure sensor 704 is externally connected with external equipment such as a display screen, the screwing degree of the pressure adjusting bolt 701 is convenient to adjust, the high-precision adjustment of the welding pressure is guaranteed under the cooperation of the stroke adjusting assembly and the pressure adjusting assembly, and the stable welding pressure is kept in the welding process.
When the button 4 is pressed down, the button 4 rotates downwards around the second rotating member 401 and approaches to the upper electrode 2, along with the continuous pressing of the button 4, the stroke adjusting screw 601 abuts against the upper electrode 2, so that the upper electrode 2 rotates downwards around the first rotating member 201 and contacts with the lower electrode 3, the welding pressure between the upper electrode 2 and the lower electrode 3 is stable, the switch trigger plate 802 is inserted into the trigger end of the photoelectric switch 801, the upper electrode 2 and the lower electrode 3 are electrified, and the welding operation is realized. In the process, the return spring 5 is compressed.
In the process of downward rotation of the upper electrode 2, the balls 202 roll relative to the inner wall of the shell 1, so that friction is reduced, and smooth rotation of the upper electrode 2 is ensured. The maximum stroke of the upper electrode 2 can be limited by the matching of the limiting groove 203 and the mounting limiting bolt 101, and the upper electrode 2 is prevented from excessively pressing the lower electrode 3 to cause welding quality problems and damage to the lower electrode 3. In the process that the button 4 rotates downwards, the maximum stroke of the button 4 relative to the upper electrode 2 can be limited through the limiting hole 604, the button 4 is guaranteed to stably press down the upper electrode 2, and the upper electrode 2 cannot shake left and right. And the pressing and welding safety of the upper electrode 2 is ensured by utilizing various limiting modes.
After the welding is completed, the push button 4 is released, and the push button 4 is rotated upward around the second rotating member 401 by the elastic force of the return spring 5 to be reset, and the upper electrode 2 is rotated upward around the first rotating member 201 to be reset. The switch trigger plate 802 is separated from the trigger end of the photoelectric switch 801, and the upper electrode 2 and the lower electrode 3 are powered off.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a handheld soldering turret with adjustable pressure which characterized by: the device comprises a shell (1), an upper electrode (2), a lower electrode (3), a button (4), a return spring (5), a stroke adjusting component, a pressure adjusting component and a switch component; the shell (1) is of a hollow structure with an opening at the top and the front end, the lower electrode (3) penetrates through the shell (1) and is fixedly connected with the shell (1), and the lower electrode (3) is positioned at the lower part of the shell (1); the upper electrode (2) penetrates through the shell (1) and is rotatably connected with the shell (1), the upper electrode (2) is positioned at the upper part of the shell (1), and the welding end of the upper electrode (2) can be movably connected with the welding end of the lower electrode (3); one end of the button (4) is rotatably arranged at the top of the shell (1), and the button (4) is connected above the upper electrode (2) through a stroke adjusting assembly, so that the button (4) and the upper electrode (2) can rotate relatively or synchronously; the pressure adjusting assembly and the switch assembly are both arranged between the button (4) and the upper electrode (2), and the reset spring (5) is abutted between the upper electrode (2) and the lower electrode (3).
2. The pressure adjustable handheld electrode holder as claimed in claim 1, wherein: the stroke adjusting assembly comprises a stroke adjusting screw rod (601), a locking nut (602) and a limiting plate (603); one end of the limiting plate (603) is fixedly connected to the other end of the button (4), the other end of the limiting plate (603) extends downwards and forms a limiting hole (604), and the welding end of the upper electrode (2) penetrates through the limiting plate (603) through the limiting hole (604); the button (4) is provided with an adjusting hole, the locking nut (602) is arranged on the button (4) and aligned with the adjusting hole, the stroke adjusting screw rod (601) is screwed in the locking nut (602) and penetrates through the button (4), the upper end of the stroke adjusting screw rod (601) is positioned above the button (4), and the lower end of the stroke adjusting screw rod (601) can be in contact connection with the upper electrode (2).
3. The pressure adjustable handheld electrode holder as claimed in claim 2, wherein: the limiting hole (604) is a vertically extending waist-shaped long hole, and the length of the limiting hole (604) is larger than the diameter of the upper electrode (2).
4. The pressure adjustable handheld electrode holder as claimed in claim 1, wherein: the pressure adjusting component comprises a pressure adjusting bolt (701) and a pressure spring (702); a screw hole is formed on the button (4), and the pressure adjusting bolt (701) is screwed in the screw hole in a matching way; the pressure adjusting bolt (701) is pressed against one end of the pressure spring (702), an installation hole is formed in the upper electrode (2), and the other end of the pressure spring (702) is embedded in the installation hole, so that the pressure spring (702) can be elastically arranged between the button (4) and the upper electrode (2).
5. The pressure adjustable handheld electrode holder as claimed in claim 4, wherein: a boss (703) is formed in the center of the end of the pressure adjusting bolt (701), one end of a pressure spring (702) is sleeved on the boss (703), and the end face of one end of the pressure spring (702) is attached to the end face of the pressure adjusting bolt (701).
6. The pressure adjustable handheld electrode holder as claimed in claim 4, wherein: the pressure regulating assembly further comprises a pressure sensor (704), and the pressure sensor (704) is arranged in the mounting hole of the upper electrode (2) and is in contact connection with the other end of the pressure spring (702).
7. The pressure adjustable handheld electrode holder as claimed in claim 1, wherein: the switch assembly comprises a photoelectric switch (801) and a switch trigger plate (802), wherein the photoelectric switch (801) is installed on the upper electrode (2), one end of the switch trigger plate (802) is connected to the bottom of the button (4), and the other end of the switch trigger plate (802) can trigger the photoelectric switch (801) in a non-contact mode.
8. The pressure adjustable handheld welding tongs according to any one of claims 1-4, 6, 7, wherein: and a plurality of balls (202) are embedded on two side walls of the upper electrode (2), so that the upper electrode (2) is in rolling contact with the inner wall of the shell (1) through the balls (202).
9. The pressure adjustable handheld electrode holder as claimed in claim 8, wherein: the mounting limiting bolt (101) is arranged in the shell (1), a limiting groove (203) is formed in the bottom of the upper electrode (2), and the upper electrode (2) can be abutted against the mounting limiting bolt (101) through the limiting groove (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223177456.4U CN218575365U (en) | 2022-11-29 | 2022-11-29 | Pressure adjustable hand-held welding tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223177456.4U CN218575365U (en) | 2022-11-29 | 2022-11-29 | Pressure adjustable hand-held welding tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218575365U true CN218575365U (en) | 2023-03-07 |
Family
ID=85378448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223177456.4U Active CN218575365U (en) | 2022-11-29 | 2022-11-29 | Pressure adjustable hand-held welding tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218575365U (en) |
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2022
- 2022-11-29 CN CN202223177456.4U patent/CN218575365U/en active Active
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