Anti-oxidation device of electric soldering iron
The automatic short-time tinning of the soldering iron tip to prevent oxidation is achieved through a lever assembly and damping components with a purely mechanical structure. This solves the problems of high cost, complex structure and electrical control failure of existing soldering iron anti-oxidation devices, and achieves low cost, reliable anti-oxidation effect and harmless smoke generation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CCORE TECH CO LTD
- Filing Date
- 2026-03-23
- Publication Date
- 2026-05-15
AI Technical Summary
Existing anti-oxidation devices for soldering irons rely on complex electronic control systems, which increases manufacturing costs and structural complexity. They also pose a risk of electronic control component failure, have unstable anti-oxidation effects, and are prone to generating harmful fumes.
The lever assembly, reset component, and damping component, which are purely mechanical in structure, drive the solder bath assembly through the lever arm to achieve automatic short-term immersion in solder to prevent oxidation of the soldering iron tip. By utilizing the synergistic effect of the lever force and the damping component, it achieves automated anti-oxidation protection of "immersion in solder when placed and detachment when released".
It achieves low-cost, high-reliability anti-oxidation effect without the need for electronic control components, avoids the generation of harmful fumes, has strong applicability, is compatible with commercially available soldering irons, requires no modification, and is easy to use.
Smart Images
Figure CN122033368A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of electronic soldering tools, and more specifically, to an anti-oxidation device for an electric soldering iron. Background Technology
[0002] As a core tool in electronic soldering, repair, and assembly, the working condition of the soldering tip directly determines the soldering quality and work efficiency. Soldering tips are mostly made of copper with a tin-plated surface. During breaks in soldering operations, even under constant temperature and power, the high-temperature surface of the tip quickly oxidizes upon contact with air, forming an oxide layer. This oxide layer reduces the tip's solderability and thermal conductivity, leading to defects such as cold solder joints and false solder joints. It also accelerates tip wear, shortens its lifespan, and increases operating costs. Furthermore, to maintain a constant tip temperature, the soldering station needs to continuously output power. The oxidized tip, due to its poor thermal conductivity, further increases the load on the soldering station, accelerating its aging. The oxidation process and the continuous heating of the high-temperature tin layer also generate large amounts of harmful fumes, endangering operator health and polluting the environment.
[0003] To address the issue of soldering iron tip oxidation, various technical solutions have been developed within the industry. For example, one existing solution utilizes a soldering iron in conjunction with a dedicated stand to protect the tip from oxidation after power loss. When the soldering iron is idle on the stand, the magnet at the top of the stand generates magnetic force, closing the built-in reed switch and activating a time-delay relay. After the time-delay relay reaches its set time, it cuts off the power to the constant-temperature heating circuit, achieving automatic power-off and energy saving when the soldering iron is idle. Simultaneously, after the soldering iron is placed on the stand, the tip of the heating element (soldering tip) contacts the solder in the stand's recess. The solder melts due to the residual heat and adheres to the surface of the soldering tip. After the tip cools, the solder solidifies, forming a protective layer that isolates the iron from air and prevents oxidation. When the soldering iron is used again, it is removed from the stand; the reed switch automatically disengages, the time-delay relay stops working, the heating circuit closes, and the soldering iron heats up to its operating temperature for operation.
[0004] However, while the existing solution achieves anti-oxidation and energy-saving functions, it relies on a complex electronic control system, requiring the integration of components such as reed switches and time-delay relays inside the soldering iron. This increases manufacturing costs and structural complexity, and the failure of these electronic control components can easily lead to functional malfunctions. Furthermore, its anti-oxidation effect depends on the residual temperature after power is cut off. If the temperature drops too quickly, the solder will not melt sufficiently, failing to form a uniform protective layer; if the temperature is too high, it will cause excessive oxidation of the solder. Moreover, the continuous contact between the soldering iron tip and the solder, if not promptly disconnected, will continue to heat the solder, generating large amounts of harmful fumes and accelerating equipment aging. Other technologies, such as inert gas protection and intelligent temperature control sleep mode, also suffer from high costs, complex structures, and poor applicability.
[0005] Therefore, a new solution is needed to address this problem. Summary of the Invention
[0006] In view of this, the purpose of the present invention is to provide an anti-oxidation device for soldering irons, which realizes automatic short-time tin immersion anti-oxidation of the soldering iron tip through a purely mechanical structure. It has the advantages of simple structure, low cost, no need to modify the soldering iron, high safety and effective reduction of harmful fumes.
[0007] To achieve the above objectives, the technical solution adopted by the present invention is: an anti-oxidation device for a soldering iron, comprising:
[0008] Base stand;
[0009] A lever assembly includes a lever arm, which is rotatably connected to the base bracket via a fulcrum. One end of the lever arm is provided with a soldering iron stand for placing an electric soldering iron, and the other end is provided with a solder bath assembly for accommodating solder.
[0010] A reset element, connected between the base bracket and the lever arm, is used to provide a reset force to drive the solder bath assembly downward;
[0011] A damping element, connected between the base support and the lever arm, is used to provide delayed damping when the tin bath assembly moves downward;
[0012] The lever assembly is configured to move the solder bath assembly upward to the soldering iron tip immersion position in response to the soldering iron being placed on the soldering iron placement platform. Subsequently, the reset member drives the solder bath assembly to fall downward under the delayed damping action of the damping member until the soldering iron tip is removed from the solder bath.
[0013] Preferably, the distance from the fulcrum to the soldering iron placement platform is the power arm, and the distance from the fulcrum to the solder bath assembly is the resistance arm, wherein the length of the power arm is less than the length of the resistance arm, so that when the soldering iron placement platform moves downward in response to the placement of the soldering iron, the solder bath assembly moves upward under the action of leverage, and the moving distance of the solder bath assembly is greater than the moving distance of the soldering iron placement platform.
[0014] Preferably, the soldering iron placement platform is provided with an arc-shaped groove, which is inclined downward along the length direction of the lever arm toward the side of the solder bath assembly to accommodate and position the handle of the soldering iron.
[0015] The arc-shaped groove has an upwardly protruding limiting edge at one end near the solder bath assembly. The limiting edge is perpendicular to the soldering iron placement platform and is used to abut against the end of the soldering iron handle to axially position the soldering iron.
[0016] Preferably, the reset element is a tension spring, one end of which is connected to the base bracket and the other end of which is connected to the lever arm near the solder bath assembly.
[0017] Preferably, the reset element is a torsion spring, which is sleeved on the fulcrum, with one end connected to the lever arm and the other end connected to the base bracket.
[0018] Preferably, the damping element is a unidirectional damper, and the unidirectional damper is arranged adjacent to the tension spring.
[0019] Preferably, the cylinder end of the one-way damper is fixed to the base bracket, and the piston rod end of the one-way damper is movably connected to the lever arm via a ball joint.
[0020] Preferably, the reset force of the reset member is configured such that, during the process of placing the soldering iron on the soldering iron placement platform, the soldering iron placement platform can move downwards, and when the soldering iron remains placed on the soldering iron placement platform without any additional pressing force, the reset member can drive the solder bath assembly to fall downwards.
[0021] Preferably, the assembly further includes a high-position limiting block and a low-position limiting block disposed on the base support. The high-position limiting block is used to abut against the lever arm that has risen to its highest point to limit the highest position of the solder bath assembly to move upward. The low-position limiting block is used to abut against the lever arm that has fallen to its lowest point to limit the lowest position of the solder bath assembly to move downward.
[0022] Preferably, the solder bath assembly includes a solder bath tray fixed to the lever arm and a solder bath body detachably connected to the solder bath tray, wherein the solder bath body is made of a high-temperature resistant material.
[0023] Compared with the prior art, the advantages of the anti-oxidation device for soldering iron disclosed in this invention are:
[0024] 1. The present invention consists of a base support, lever assembly, reset component and damping component, forming a purely mechanical structure, without the need for electronic control components. This not only reduces manufacturing costs but also avoids the risk of failure caused by electronic control malfunctions, resulting in a long service life and strong applicability.
[0025] 2. Through the coordinated operation of the lever assembly, reset component and damping component, the soldering tip of the soldering iron is automatically controlled to "immerse in solder when placed and detach when released". The soldering tip is only briefly immersed in solder to form a protective layer at the moment of placement, and then slowly detaches under the delay control of the damping component. This ensures the anti-oxidation effect and avoids solder oxidation and harmful fume generation caused by continuous heating.
[0026] 3. The present invention is configured to automatically trigger the workflow in response to the placement of the soldering iron on the soldering iron stand, without the need for manual intervention or additional operation. Furthermore, because its purely mechanical structure is independent of the soldering iron, no modification to the soldering iron is required. It can be directly adapted to commercially available conventional soldering irons, making it convenient to use and not affecting the continuity of soldering operations. Attached Figure Description
[0027] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0028] Figure 1 This is a schematic diagram of the anti-oxidation device for an electric soldering iron according to an embodiment of this application.
[0029] The numbers or letters in the attached diagram represent the names of the corresponding components:
[0030] 1. Base bracket; 2. Lever arm; 3. Tension spring; 4. Damping component; 5. Fulcrum; 6. Soldering iron stand; 7. Soldering iron; 8. High limit block; 9. Low limit block; 10. Solder bath tray; 11. Solder bath body. Detailed Implementation
[0031] The technical solution of the present invention will now be clearly and completely described through specific embodiments. Obviously, the described embodiments are merely some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0032] Please see Figure 1 The embodiments of this application provide an anti-oxidation device for an electric soldering iron. This device adopts a completely mechanical structure and aims to solve the problem that the soldering tip of the existing electric soldering iron 7 is easily oxidized when idle, and overcome the defects of the existing technical solution, such as complex structure, high cost and safety hazards.
[0033] The anti-oxidation device of this soldering iron includes a base bracket 1, a lever assembly, a reset component, and a damping component 4. The base bracket 1 is made of metal and is used to stably place it on the workbench. The base bracket 1 includes a base and a bracket fixed to the base. The base bracket 1 is equipped with a fulcrum mounting position, a damper fixing seat, a tension spring hook, and high and low limit block mounting slots to facilitate the installation and fixation of each component. The lever assembly includes a lever arm 2, which is rotatably connected to the base bracket 1 via a fulcrum 5. The fulcrum 5 is installed at the fulcrum mounting position on the base bracket 1 and is specifically assembled using M4-M5 bolts and nylon washers. The nylon washers reduce frictional resistance during the rotation of the lever arm 2, ensuring smooth operation. The lever arm 2 is made of 1.5mm-2mm thick stainless steel sheet or aluminum alloy profile, with a length of approximately 18cm-22cm and a width of 2cm, combining rigidity and lightweight characteristics. One end of the lever arm 2 is provided with a soldering iron placement platform 6 for placing the soldering iron 7, and the other end is provided with a solder bath assembly for accommodating solder. A reset member is connected between the base bracket 1 and the lever arm 2 to provide a reset force for driving the solder bath assembly downward. A damping member 4, connected between the base bracket 1 and the lever arm 2, provides delayed damping when the solder bath assembly moves downward. The lever assembly is configured to respond to the soldering iron 7 being placed on the soldering iron placement platform 6, causing the solder bath assembly to move upward to the soldering iron tip immersion position. Subsequently, the reset member drives the solder bath assembly to fall downward under the delayed damping action of the damping member 4 until the soldering iron tip of the soldering iron 7 is disengaged from the solder bath.
[0034] In the above setup, the operator only needs to place the soldering iron 7 on the soldering iron stand 6, and the device will automatically respond: the solder bath assembly will rise to briefly immerse the soldering iron tip in solder to form a protective layer, and then slowly fall back under the delay control of the damping element 4, allowing the soldering iron tip to automatically detach from the molten solder. This achieves automated anti-oxidation protection of "immersion in solder upon placement and detachment upon release," ensuring that a dense solder protective layer forms on the surface of the soldering iron tip while avoiding solder oxidation and harmful fumes caused by continuous heating.
[0035] In this embodiment, the distance from fulcrum 5 to soldering iron placement platform 6 is the power arm, and the distance from fulcrum 5 to solder bath assembly is the resistance arm. The length of the power arm is shorter than the length of the resistance arm, so that when soldering iron placement platform 6 moves downward in response to soldering iron 7 being placed, solder bath assembly moves upward under leverage, and the moving distance of solder bath assembly is greater than the moving distance of soldering iron placement platform 6. Specifically, the ratio of the length of the power arm to the resistance arm is set to a leverage ratio of 1:4. This setting allows the soldering iron tip to move downward by only about 2mm-4mm to drive the solder bath assembly upward by about 10mm-15mm, ensuring that the soldering iron tip can be reliably immersed in the molten solder while maintaining the stability of the device's movement.
[0036] In this embodiment, the soldering iron placement table 6 is provided with an arc-shaped groove, which is inclined downwards towards the solder bath assembly along the length of the lever arm 2. The radius of the arc-shaped groove matches the outer diameter of the handle of a conventional soldering iron 7, enabling radial positioning of the soldering iron 7 and preventing it from rolling left and right on the soldering iron placement table 6. A raised limiting edge is provided at the end of the arc-shaped groove near the solder bath assembly. This limiting edge is perpendicular to the soldering iron placement table 6, forming a flat positioning surface. During use, the operator places the soldering iron 7 into the arc-shaped groove and gently pushes it forward until the front end of the handle abuts against the limiting edge, thus achieving precise axial positioning of the soldering iron 7. This design is compatible with most straight-handle soldering irons 7 on the market, and ensures that the point of gravity of the soldering iron 7 falls on the same position of the lever arm 2 each time it is placed, ensuring torque stability. The soldering iron placement table 6 can stably support a 200g-300g conventional soldering iron 7.
[0037] In this embodiment, the solder bath assembly includes a solder bath tray 10 fixed to the lever arm 2 and a solder bath body 11 detachably connected to the solder bath tray 10. The solder bath tray 10 is made of 1mm thick 304 stainless steel plate, which has good corrosion resistance and structural strength. The solder bath body 11 is a shallow tank made of high-temperature resistant ceramic or stainless steel, with a depth of about 2mm-3mm. A mixture of solder and rosin is placed inside, with rosin accounting for about 30%. This ratio facilitates rapid soldering of the soldering iron tip and reduces solder oxidation. The detachable connection between the solder bath body 11 and the solder bath tray 10 allows the operator to remove the solder bath body 11 for cleaning or replenishing solder after a period of use, improving the ease of maintenance of the device.
[0038] In this embodiment, the reset component is a tension spring 3. One end of the tension spring 3 is connected to a tension spring hook on the base bracket 1, and the other end is connected to a tension spring hook on the lever arm 2 near the solder bath assembly. Tension springs 3 with different elastic coefficients can be replaced according to actual usage requirements to achieve the best reset effect. In this embodiment, the tension of the tension spring 3 is precisely matched. During the process of placing the soldering iron 7 on the soldering iron placement table 6, the soldering iron placement table 6 can move downwards. When the soldering iron 7 remains placed on the soldering iron placement table 6 without any additional pressing force, the reset component can drive the solder bath assembly to fall downwards. Specifically, when the operator gently places the soldering iron 7 on the soldering iron placement table 6, the force exerted by the soldering iron 7 on the soldering iron placement table 6 acts on the power arm of the lever arm 2, generating a downward torque greater than the resistance torque generated by the tension of the tension spring 3 and the weight of the solder bath, thereby driving the lever arm 2 to rotate and lifting the solder bath assembly upwards.
[0039] When the operator releases their grip, although the weight of the soldering iron 7 still exists and continues to act on the power arm, it loses any possible downward pressure. Furthermore, the restoring torque generated by the combined force of the tension spring 3 and the weight of the solder bath is sufficient to overcome the resistance transmitted by the weight of the soldering iron 7 through the lever, thereby driving the lever arm 2 to rotate in the opposite direction, causing the solder bath assembly to fall downwards, thus achieving the automatic switching of "gently placing for soldering and lifting off upon release".
[0040] In another embodiment, the reset element is a torsion spring, which is sleeved on the fulcrum 5. One end of the torsion spring is connected to the lever arm 2, and the other end is connected to the base bracket 1. The torsion spring can also provide the torque to reset the solder bath assembly downwards through its torsional elasticity, which is suitable for miniaturized device scenarios where the base installation space is limited and the stability of lever reset is required.
[0041] In this embodiment, the damping element 4 is a one-way damper, which is arranged adjacent to the tension spring 3. Both are located at the end of the lever arm 2 near the tin bath assembly, arranged vertically side by side to ensure consistent force direction and avoid jamming or uneven force due to tilted installation. The cylinder end of the one-way damper is fixed to the base bracket 1, and the piston rod end of the one-way damper is movably connected to the lever arm 2 via a ball joint. Specifically, the ball joint uses a fisheye bearing, which allows the piston rod to automatically adjust its angle when it makes a small-angle arc movement at the connection point with the lever arm 2, eliminating radial stress and ensuring that the piston rod always extends and retracts smoothly along the axis, avoiding wear and jamming, and extending the service life of the one-way damper.
[0042] This unidirectional damper features "unrestricted extension and damped retraction." When lever arm 2 lifts the solder bath assembly upwards, the piston rod is extended. At this time, the internal oil circuit of the damper is unobstructed, generating almost no damping force, ensuring that the solder bath assembly can be lifted quickly, allowing the soldering iron tip to be instantly immersed in the molten solder. When lever arm 2 falls back downwards under the tension of return spring 3, the piston rod is compressed and retracted. The internal oil circuit of the damper switches to generate the set damping force, thereby slowing down the descent speed and achieving precise delay.
[0043] This one-way damper also integrates damping force adjustment. An exposed adjustment knob is located on the side of the cylinder body, connected to an internal throttle valve. By rotating the knob, the user can change the cross-sectional area of the damping oil flowing through the throttle orifice, thus steplessly adjusting the retraction damping force (adjustment range 5N-10N), thereby precisely controlling the retraction delay time. Depending on different operating conditions, the delay time can be continuously adjusted within the range of 3 to 8 seconds, with a preferred value of 5 seconds.
[0044] In another embodiment, the damping element 4 can also be a unidirectional spring-type damper. This spring-type damper uses the winding and releasing of the spring to generate damping. It also has the unidirectional characteristic of "unresistible extension and damping when retracted". Moreover, it does not contain hydraulic oil and has stronger high temperature resistance. Its disadvantage is that the delay accuracy is slightly lower than that of the hydraulic damper. After long-term use, the elasticity of the spring may decrease and it needs to be replaced regularly.
[0045] In this embodiment, the anti-oxidation device of the soldering iron further includes a high-position limiting block 8 and a low-position limiting block 9 disposed on the base support 1. The high-position limiting block 8 abuts against the lever arm 2 at its highest point to limit the highest position of the solder bath assembly's upward movement, ensuring that the soldering iron tip is immersed in the solder to a depth of 1mm-2mm, thus ensuring sufficient solder coating while preventing excessive heat loss due to excessive immersion. The low-position limiting block 9 abuts against the lever arm 2 at its lowest point to limit the lowest position of the solder bath assembly's downward movement. This ensures that the soldering iron tip is completely detached from the surface of the molten solder, reducing the possibility of accidental contact between the soldering iron tip and the cooled solid solder due to lever inertia or misoperation. The height of both the high-position limit block 8 and the low-position limit block 9 is adjustable. Specifically, both the high-position limit block mounting groove and the low-position limit block mounting groove are vertically extending waist-shaped grooves. The high-position limit block 8 is fixedly connected to the base bracket 1 by bolts passing through the waist-shaped groove, and the low-position limit block 9 is fixedly connected to the base bracket 1 by bolts passing through the waist-shaped groove.
[0046] The working process of the anti-oxidation device of the soldering iron 7 in this application is as follows:
[0047] S1. Initial state: When the soldering iron 7 is placed without electricity, the tension of the spring 3 causes the solder bath assembly of the lever arm 2 to be in a low position, abutting against the low position limit block 9, and the soldering iron placement table 6 to be in a high position.
[0048] S2, Gentle Placement State: Gently place the soldering iron 7 into the arc-shaped groove of the soldering iron placement platform 6 and abut against the limiting stop. The weight of the soldering iron 7 acts on the power arm. Since the ratio of power arm to resistance arm is 1:4, the soldering iron end presses down a small distance to drive the solder bath assembly to rise rapidly until the lever arm 2 abuts against the high-position limiting block 8. During the rise, the piston rod of the one-way damper extends without resistance, and the soldering iron tip quickly immerses into the solder liquid to form a protective layer.
[0049] S3, Released State: After releasing the soldering iron 7, the tension of the spring 3 drives the solder bath assembly to fall back. During the fall, the piston rod of the one-way damper is compressed, and its damping characteristics cause the solder bath assembly to descend slowly. Finally, the lever arm 2 abuts against the low-position limit block 9, and the soldering iron tip is separated from the molten solder, leaving only a thin tin film for protection. At this time, the continuous heating of the solder stops, reducing the generation of harmful fumes from the source.
[0050] S4, Pressing to add solder: When soldering is required, manually press the soldering iron end of the soldering iron 7 to raise the solder bath assembly to dip in solder again. After releasing, it will automatically return to the state of step S3.
[0051] In summary, this invention achieves automatic short-time tinning to prevent oxidation when the soldering iron 7 is idle through the ingenious combination of a purely mechanical lever assembly, a reset component, and a damping component 4. The overall structure has no electronic control components and has outstanding advantages such as simple structure, low cost, high reliability, and environmental safety.
[0052] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An anti-oxidation device for a soldering iron, characterized in that, include: Base stand; A lever assembly includes a lever arm, which is rotatably connected to the base bracket via a fulcrum. One end of the lever arm is provided with a soldering iron stand for placing an electric soldering iron, and the other end is provided with a solder bath assembly for accommodating solder. A reset element, connected between the base bracket and the lever arm, is used to provide a reset force to drive the solder bath assembly downward; A damping element, connected between the base support and the lever arm, is used to provide delayed damping when the tin bath assembly moves downward; The lever assembly is configured to move the solder bath assembly upward to the soldering iron tip immersion position in response to the soldering iron being placed on the soldering iron placement platform. Subsequently, the reset member drives the solder bath assembly to fall downward under the delayed damping action of the damping member until the soldering iron tip is removed from the solder bath.
2. The anti-oxidation device for the soldering iron according to claim 1, characterized in that: The distance from the fulcrum to the soldering iron placement platform is the power arm, and the distance from the fulcrum to the solder bath assembly is the resistance arm. The length of the power arm is less than the length of the resistance arm, so that when the soldering iron placement platform moves downward in response to the placement of the soldering iron, the solder bath assembly moves upward under the action of leverage, and the moving distance of the solder bath assembly is greater than the moving distance of the soldering iron placement platform.
3. The anti-oxidation device for the soldering iron according to claim 1, characterized in that: The soldering iron placement platform is provided with an arc-shaped groove, which is inclined downward along the length of the lever arm toward one side of the solder bath assembly to accommodate and position the handle of the soldering iron. The arc-shaped groove has an upwardly protruding limiting edge at one end near the solder bath assembly. The limiting edge is perpendicular to the soldering iron placement platform and is used to abut against the end of the soldering iron handle to axially position the soldering iron.
4. The anti-oxidation device for the soldering iron according to claim 1, characterized in that: The reset component is a tension spring, one end of which is connected to the base bracket, and the other end is connected to the lever arm near the end of the solder bath assembly.
5. The anti-oxidation device for a soldering iron according to claim 1, characterized in that: The reset component is a torsion spring, which is sleeved on the fulcrum. One end of the torsion spring is connected to the lever arm, and the other end is connected to the base bracket.
6. The anti-oxidation device for a soldering iron according to claim 4, characterized in that: The damping element is a unidirectional damper, which is arranged adjacent to the tension spring.
7. The anti-oxidation device for a soldering iron according to claim 6, characterized in that: The cylinder end of the one-way damper is fixed to the base bracket, and the piston rod end of the one-way damper is movably connected to the lever arm through a ball joint.
8. The anti-oxidation device for a soldering iron according to claim 1, characterized in that: The reset force of the reset member is configured such that, during the process of placing the soldering iron on the soldering iron stand, the soldering iron stand can move downwards, and when the soldering iron remains placed on the soldering iron stand without any additional pressing force, the reset member can drive the solder bath assembly to fall downwards.
9. The anti-oxidation device for a soldering iron according to claim 1, characterized in that: It also includes a high-position limiting block and a low-position limiting block disposed on the base support. The high-position limiting block is used to abut against the lever arm that has risen to the highest point to limit the highest position of the solder bath assembly to move upward. The low-position limiting block is used to abut against the lever arm that has fallen to the lowest point to limit the lowest position of the solder bath assembly to move downward.
10. The anti-oxidation device for a soldering iron according to claim 1, characterized in that: The solder bath assembly includes a solder bath tray fixed to the lever arm and a solder bath body detachably connected to the solder bath tray, wherein the solder bath body is made of a high-temperature resistant material.