A steel structure butt welding device for steel structure fabrication

Abstract

This invention discloses a steel structure butt welding device for steel structure processing, relating to the field of steel structure welding technology. It includes a welding handheld unit with a movable light-blocking component installed on it to prevent flash damage. A shielding safety component is also installed on the movable light-blocking component, controlling welding to begin only after priority shielding. An angle adapter is installed on the movable light-blocking component. A slot control component is installed at the bottom of the welding handheld unit to ensure the installation of an arc-starting plate. By using the shielding safety component in conjunction with the movable light-blocking component, automatic control can be achieved to shield the gooseneck of the welding torch with a welding filter before welding to prevent flash damage. This solves the problem of poor flash protection in current steel structure butt welding devices for steel structure processing, and the difficulty in automatically controlling wire adhesion and blockage after welding.

Description

Technical Field

[0001] This invention relates to the field of steel structure welding technology, specifically to a steel structure butt welding device for steel structure processing. Background Technology

[0002] In steel structure construction, welding is a common butt welding method in structures such as steel structure cover plates or beams. The quality of welding directly affects the quality of steel structure construction. In actual steel structure welding, arc-extinguishing plates are needed to help ensure the continuity of the weld. Currently, steel structure butt welding equipment used in steel structure processing usually adopts manual operation of MIG welding. In actual welding, the anti-eye-damping safety effect is not good. Manual operators are prone to forgetting to cover their eyes before starting welding. Direct operation of welding causes great eye damage and poor safety. At the same time, the welding torch is heavy. The manual method of operating the welding torch with one hand and holding the filter cover with the other is cumbersome and inflexible. It is also not convenient for the staff to confirm the installation of the arc-extinguishing plate. Manual operators are prone to directly operate the welding torch to the end of the weld, resulting in poor arc-extinguishing effect and affecting the local welding quality. In addition, when the traditional welding work is completed, the welding wire stops being pushed out. After the welding spatter cools, it is easy for the spatter to stick between the welding wire and the contact tip, making it difficult to push out the welding wire in the next welding, causing wire blockage. It is not easy to automatically control the prevention of welding wire sticking and blockage after welding.

[0003] Therefore, we propose a steel structure butt welding device for steel structure processing. Summary of the Invention

[0004] The purpose of this invention is to provide a steel structure butt welding device for steel structure processing, so as to solve the problems mentioned in the background art, such as the poor anti-drilling safety effect of the current steel structure butt welding device for steel structure processing and the inconvenience of automatic control to prevent welding wire adhesion and blockage after welding.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a steel structure butt welding device for steel structure processing, comprising a welding handheld part, wherein a movable light-blocking component is installed on the welding handheld part to prevent flash damage; a shielding safety component is installed on the movable light-blocking component to control welding to begin after priority shielding; an angle adapter is installed on the movable light-blocking component; a slot control component is installed at the bottom of the welding handheld part to ensure the installation of the arc-starting plate; an anti-sticking retraction component is installed on the welding handheld part to reduce wire blockage rate; the welding handheld part includes: a welding torch handle and a pressing stop post, wherein the welding torch handle is externally connected to a welding machine; and the pressing stop post is fixedly installed on the welding torch handle.

[0006] Preferably, the welding handheld part further includes: a welding torch gooseneck tube, a stop ring, and a buzzer. The welding torch gooseneck tube is fixedly installed on the welding torch handle. The welding torch gooseneck tube has a curved structure. A conductive nozzle is provided inside the welding torch gooseneck tube. The conductive nozzle inside the welding torch gooseneck tube is used for the welding wire to pass through. The outer side of the front section of the welding torch gooseneck tube has a hexagonal structure. A stop ring is fixedly installed on the welding torch gooseneck tube. A thread is provided on the inner side of the front end of the welding torch gooseneck tube. A buzzer is fixedly installed on the welding torch handle.

[0007] Preferably, the movable light-blocking component includes: a movable sliding sleeve, a reset spring, a welding filter, and a rotating connecting plate. The movable sliding sleeve is slidably fitted onto the front section of the welding torch gooseneck tube. A reset spring is fitted inside the movable sliding sleeve and is located outside the welding torch gooseneck tube. The two ends of the reset spring are fixedly installed between the movable sliding sleeve and the stop ring. A welding filter is fixedly installed on the movable sliding sleeve. The welding filter is installed at an angle. The welding filter is used to lower and block the front end of the welding torch gooseneck tube. Rotating connecting plates are fixedly installed on both sides of the welding filter.

[0008] Preferably, the shielding safety component includes: a shielding push rod, a connecting frame, and a pressure switch. The connecting frame is fixedly installed at the bottom of the shielding push rod, and the connecting frame is fixedly installed on the movable sliding sleeve. The shielding push rod is located outside the gooseneck tube of the welding torch. The pressure switch is fixedly installed on the shielding push rod, and the pressure switch is aligned with the pressing stop post. The shielding push rod is used to push the movable sliding sleeve to move the welding filter downward. The pressure switch and the welding torch handle are connected in series with a welding machine power supply.

[0009] Preferably, the included angle adapter includes: a rotary shaft and a torsion spring. Two rotary shafts are provided, and the two rotary shafts are respectively rotatably mounted on both sides of two rotating connecting plates. A torsion spring is sleeved on the two rotary shafts. One end of the torsion spring is connected to the rotary shaft, and the other end of the torsion spring is connected to the rotating connecting plate on the same side.

[0010] Preferably, the included angle adapter further includes: a swing filter, with swing filters fixedly installed on the two rotating shafts respectively; the two swing filters are used to rotate and adapt to the included angle weld.

[0011] Preferably, the seam control component includes: a seam fixing rod and electrical contact springs. The seam fixing rod is fixedly installed at the bottom of the welding torch gooseneck tube; the seam fixing rod is aligned with the welding torch handle; the seam fixing rod has a through hole; two electrical contact springs are fixedly installed at the bottom of the seam fixing rod, and the two electrical contact springs are both steel sheet bending structures; the two electrical contact springs are respectively used to be pressed and adhered by the weld seam; the welding torch gooseneck tube has a groove for wiring; the outer side of the two electrical contact springs is covered with a rubber coating; the two electrical contact springs and the buzzer are connected in series with a power supply.

[0012] Preferably, the anti-stick retraction component includes: an anti-stick mounting shell and a retraction spring, wherein the anti-stick mounting shell is threadedly connected to the end of the welding torch gooseneck tube; the retraction spring is sleeved inside the anti-stick mounting shell, and the top of the retraction spring is connected to the inner side of the anti-stick mounting shell; the anti-stick mounting shell is used to protect the conductive nozzle provided inside the welding torch gooseneck tube.

[0013] Preferably, the anti-stick retraction component further includes: an anti-stick sleeve and an adhesive magnet, wherein the anti-stick sleeve is slidably fitted inside the anti-stick mounting shell; the middle part of the anti-stick sleeve is used for passing through the welding wire; an adhesive magnet is fixedly fitted inside the anti-stick sleeve, and the adhesive magnet is used to magnetically adhere to the steel plate to be welded; the anti-stick sleeve is fixedly installed at the bottom of the retraction spring.

[0014] Preferably, the anti-stick retraction component further includes: vent holes, and two through vent holes are provided on the anti-stick sleeve and the bonding magnet.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] This invention employs a shielding safety component in conjunction with a movable light-blocking component. It enables automatic control by first shielding the welding torch gooseneck tube with a welding filter before welding, preventing eye damage. This effectively avoids manual forgetting to shield or improper welding without using the welding filter. This structure can also be used to control welding priority. Furthermore, the inclined, lifting welding filter ensures that it no longer shields the front end of the welding torch gooseneck tube after reaching a higher height, facilitating worker confirmation of the welding wire position and improving safety. The welding filter, directly mounted on the welding torch gooseneck tube, increases worker flexibility, eliminating the need to hold a traditional filter cover. The use of an angled adapter allows for rotational adaptation to angled welds, preventing jamming.

[0017] By using a weld seam control component, automatic detection can be achieved when the welding position approaches the end of the weld. Automatic control can be used to provide prompts and help workers to use their peripheral vision to check whether an arc-closing plate has been added to the end of the weld. This can prevent workers from continuing to weld as they approach the end. If an arc-closing plate is not installed at this point, the weld pool may not be able to completely fill the end of the weld. This structure can directly prompt workers and improve the continuity of the weld.

[0018] The use of anti-stick retraction components can protect the conductive tip inside the gooseneck tube of the welding torch. The anti-stick retraction components can automatically retract after welding is completed, which can prevent the welding wire and welding spatter from sticking between the anti-stick sleeve and the welding wire after the welding is completed and cooled, thus preventing wire blockage in subsequent welding. This can effectively reduce the wire blockage rate and ensure that there is no adhesion between the welding wire and the anti-stick sleeve in the next welding. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of a steel structure butt welding device for steel structure processing according to the present invention;

[0020] Figure 2 This is a schematic diagram of the bottom structure of a steel structure butt welding device for steel structure processing according to the present invention;

[0021] Figure 3 This is a cross-sectional view of the internal structure of a steel structure butt welding device for steel structure processing according to the present invention.

[0022] Figure 4 This is a schematic diagram of the welding handpiece structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the movable light-blocking component structure of the present invention;

[0024] Figure 6 This is a schematic diagram of the shielding safety component structure of the present invention;

[0025] Figure 7 For the present invention Figure 2 Enlarged view of the structure of region D in the middle;

[0026] Figure 8 For the present invention Figure 2 Enlarged view of the structure of region E in the middle;

[0027] Figure 9 For the present invention Figure 3 Enlarged view of the structure of the middle F region;

[0028] Figure 10 This is a schematic diagram of the anti-sticking retraction component structure of the present invention.

[0029] In the diagram: 1. Welding handpiece; 101. Welding torch handle; 1011. Pressing stop; 102. Welding torch gooseneck tube; 1021. Stop ring; 103. Buzzer; 2. Moving light shield; 201. Moving sliding sleeve; 202. Reset spring; 203. Welding filter; 204. Rotating connecting plate; 3. Shielding safety component; 301. Shielding push rod; 3011. Connecting frame; 302. Press switch; 4. Angle adapter; 401. Rotating shaft; 402. Torsion spring; 403. Swinging filter; 5. Insertion control component; 501. Insertion fixing rod; 502. Electrical contact spring; 6. Anti-stick retraction component; 601. Anti-stick mounting shell; 602. Retraction spring; 603. Anti-stick sleeve; 604. Adhesive magnet; 605. Vent hole. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Example 1: Please refer to Figures 1 to 10 As shown:

[0032] This invention provides a technical solution: a steel structure butt welding device for steel structure processing, comprising a welding handpiece 1, a movable light-blocking component 2 installed on the welding handpiece 1 for preventing flash damage; a shielding safety component 3 installed on the movable light-blocking component 2 for controlling welding to begin after priority shielding; an angle adapter 4 installed on the movable light-blocking component 2; a slot control component 5 installed at the bottom of the welding handpiece 1 for ensuring the installation of the arc-starting plate; an anti-sticking retraction component 6 installed on the welding handpiece 1 for reducing wire blockage rate; the welding handpiece 1 includes: a welding torch handle 101 and a pressing stop post 1011, the welding torch handle 101 being externally connected to a welding machine; the pressing stop post 1011 is fixedly installed on the welding torch handle 101.

[0033] The welding handheld part 1 further includes: a welding torch gooseneck tube 102, a stop ring 1021, and a buzzer 103. The welding torch gooseneck tube 102 is fixedly installed on the welding torch handle 101. The welding torch gooseneck tube 102 has a curved structure. A conductive tip is provided inside the welding torch gooseneck tube 102. The conductive tip inside the welding torch gooseneck tube 102 is used for the welding wire to pass through. The outer front section of the welding torch gooseneck tube 102 has a hexagonal structure. The stop ring 1021 is fixedly installed on the welding torch gooseneck tube 102. The gooseneck tube 102 has a threaded inner side at its front end; a buzzer 103 is fixedly installed on the welding torch handle 101; the movable light-blocking component 2 includes: a movable sliding sleeve 201, a return spring 202, a welding filter 203, and a rotating connecting plate 204. The movable sliding sleeve 201 is slidably sleeved on the front section of the welding torch gooseneck tube 102; the return spring 202 is sleeved inside the movable sliding sleeve 201, and the return spring 202 is located on the outside of the welding torch gooseneck tube 102; the two ends of the return spring 202 are fixedly installed. A welding filter 203 is fixedly installed on the movable sliding sleeve 201 and the stop ring 1021; the welding filter 203 is installed at an angle; the welding filter 203 is used to lower and shield the front end of the welding torch gooseneck tube 102; rotating connecting plates 204 are fixedly installed on both sides of the welding filter 203; the shielding safety component 3 includes: a shielding push rod 301, a connecting frame 3011 and a squeeze switch 302, with the bottom of the shielding push rod 301 fixedly installed. A connecting frame 3011 is fixedly mounted on the movable sliding sleeve 201; a shielding push rod 301 is located outside the welding torch gooseneck tube 102; a squeeze switch 302 is fixedly mounted on the shielding push rod 301, and the squeeze switch 302 is aligned with the pressing stop post 1011; the squeeze switch 302 is recessed into the shielding push rod 301 to prevent accidental activation by human fingers; the shielding push rod 301 is used to push the movable sliding sleeve 201 to move the welding filter 203 downward;The welding machine power supply connected to the squeeze switch 302 and welding torch handle 101, using a shielding safety component 3 in conjunction with a movable light-blocking component 2, can achieve automatic control. Before welding, the welding torch gooseneck tube 102 is shielded by a welding filter 203 to prevent drilling. This effectively prevents manual forgetting to shield or welding without using the welding filter 203. This structure can be used to control welding priority, making the structure more reasonable and the operation smoother for workers. Furthermore, the inclined lifting welding filter 203 ensures that the front end of the welding torch gooseneck tube 102 is no longer shielded after the height is increased, making it easier for workers to confirm the welding wire position. This structure is more reasonable and improves safety. Additionally, the welding filter 203, directly mounted on the welding torch gooseneck tube 102, increases the operator's ease of use. The welding gun is highly flexible, eliminating the need to hold a traditional filter cover. Operators can directly grip the welding gun handle 101 with both hands, increasing safety. Holding the handle 101 with both hands and pressing the welding gun switch, the welding wire is tilted towards the weld seam. Simultaneously, the position of the welding wire end is observed to align with the weld seam. At this time, the welding filter 203 is positioned above, allowing the operator to observe the welding wire normally. When welding is required, the blocking push rod 301 needs to be pressed down, moving the welding filter 203 downwards. Because the welding wire needs to be tilted during welding, the welding filter 203 moves forward and downwards, closer to the welding wire end, stretching the return spring 202 to block the welding position and prevent drilling. Only then can the welding machine be powered on normally for welding, achieving safety control. The operation is smooth and quick for the operator.

[0034] The included angle adapter 4 includes: a rotating shaft 401 and a torsion spring 402. Two rotating shafts 401 are provided, and the two rotating shafts 401 are respectively rotatably installed on both sides of the two rotating connecting plates 204. The torsion springs 402 are sleeved on the two rotating shafts 401. The end of the torsion spring 402 is connected to the rotating shaft 401, and the other end of the torsion spring 402 is connected to the rotating connecting plate 204 on the same side. The included angle adapter 4 also includes: a swing filter 403. Swing filters 403 are respectively fixedly installed on the two rotating shafts 401. The two swing filters 403 are used to rotatably adapt to the included angle weld. The use of the included angle adapter 4 can realize the rotational adaptation to the included angle weld, which can avoid jamming, make the structure more reasonable, improve the versatility of the structure, and can be applied to welding work such as I-beams and adapt to right angle welds.

[0035] The seam control component 5 includes: a seam fixing rod 501 and a welding spring 502. The seam fixing rod 501 is fixedly installed at the bottom of the welding torch gooseneck tube 102; the seam fixing rod 501 is aligned with the welding torch handle 101; the seam fixing rod 501 has a through hole; two welding springs 502 are fixedly installed at the bottom of the seam fixing rod 501, and the two welding springs 502 are both steel sheet bending structures; the two welding springs 502 are respectively used to be squeezed and fitted by the weld; the welding torch gooseneck tube 102 has a groove for wiring; the outer side of the two welding springs 502 is covered with a rubber coating; the two welding springs 502 and the buzzer 103 are connected in series with a power supply. Using the seam control component 5, the welding position can be automatically detected as it approaches the end of the weld, and automatic control can be implemented to provide prompts. It can also help the worker to use their peripheral vision to observe whether an arc-end plate has been added to the end of the weld, which can prevent the worker from continuing to weld. When approaching the end, it can also... If the arc-closing plate is not installed at the end of the weld, the weld pool may not completely fill the weld end. This structure can directly remind the worker, improving weld continuity. The arc-starting plate is responsible for starting the arc, and workers usually do not forget to install it. However, the arc-closing plate is located at the end and does not affect the arc starting, so it is easy to forget to install it. At the same time, the insertion of the contact spring 502 into the weld can also improve welding stability and weld quality. Once the weld end is approached, because the contact spring 502 is behind the welding wire, if the arc-closing plate is forgotten to be installed at the end of the weld, the contact spring 502 loses its weld stop and can elastically separate, no longer connecting the power supply, and the buzzer 103 stops beeping. At this time, the worker can use their peripheral vision to check whether the arc-closing plate has been installed. If it has been forgotten to be installed, welding should be paused and resumed after the arc-closing plate is installed, ensuring the continuity of the weld pool at the end of the weld.

[0036] In Embodiment 2, based on Embodiment 1, the anti-stick retraction component 6 includes: an anti-stick mounting shell 601 and a retraction spring 602. The anti-stick mounting shell 601 is threadedly connected to the end of the welding torch gooseneck tube 102; the retraction spring 602 is sleeved inside the anti-stick mounting shell 601, and the top of the retraction spring 602 is connected to the inner side of the anti-stick mounting shell 601; the anti-stick mounting shell 601 is used to protect the conductive nozzle provided inside the welding torch gooseneck tube 102; the anti-stick retraction component 6 also includes: an anti-stick sleeve 603 and an adhesive magnet 604, preventing sticking... The sleeve 603 is slidably fitted inside the anti-stick mounting shell 601; the middle of the anti-stick sleeve 603 is used for passing the welding wire; a bonding magnet 604 is fixedly fitted inside the anti-stick sleeve 603, and the bonding magnet 604 is used to magnetically adhere to the steel plate to be welded; the anti-stick sleeve 603 is fixedly installed at the bottom of the retraction spring 602; the anti-stick retraction component 6 also includes: a vent hole 605, and two through vent holes 605 are opened on the anti-stick sleeve 603 and the bonding magnet 604. The use of the anti-stick retraction component 6 can realize the protection of the gooseneck tube of the welding torch. The conductive tip inside the welding torch gooseneck 102 prevents welding spatter from adhering to the conductive tip and welding wire inside the welding torch gooseneck 102. Simultaneously, the anti-stick retraction component 6 used in this structure automatically retracts after welding, preventing the welding wire and welding spatter from sticking between the anti-stick sleeve 603 and the welding wire after cooling, thus avoiding wire blockage in subsequent welding. This effectively reduces the wire blockage rate and ensures that there is no adhesion between the welding wire and the anti-stick sleeve 603 in the next welding operation. This structure uses a... The heat separation method avoids adhesion, has a simple structure, and is automatically controlled. The vent 605 does not affect the airflow of MIG welding. During actual welding, when the welding torch gooseneck tube 102 is lifted after the arc is closed, the welding wire and the weld are separated. At the same time, the magnet 604 is moved away from the steel structure to be welded and is no longer magnetically attracted. At this time, the retraction spring 602 pulls back to reset. The welding wire is still at a high temperature and the spatter has not completely cooled down. It can drive the anti-stick sleeve 603 to retract normally and separate from the front end of the welding wire to achieve anti-sticking.

[0037] The working principle of this embodiment is as follows: First, hold the welding gun handle 101 with both hands, press the welding gun switch on the welding gun handle 101 with your fingers, keep the welding wire tilted towards the weld seam, and at the same time observe the position of the welding wire end to align with the weld seam. At this time, the welding filter 203 is at the top, as shown in the attached figure. Figure 1At the position shown, the worker can observe the welding wire normally. When welding is required, the shielding push rod 301 needs to be pressed down, causing the moving slide sleeve 201 to move down, which in turn moves the welding filter 203 downward. Because the welding wire needs to be kept tilted during welding, the welding filter 203 is now moving forward and downward, close to the end of the welding wire, stretching the return spring 202 to shield the welding position and prevent drilling. Only then can the squeeze switch 302 be moved down, allowing the pressing stop 1011 to insert into the shielding push rod 301 and press the squeeze switch 302. Only then can the welding machine be powered on normally to control the welding work and achieve safety control. The end of the welding torch gooseneck tube 102 is close to the weld seam, and the magnet 604 is also close to and magnetically attracts the steel structure plate to be welded. At this time, the magnet 604 drives the anti-stick sleeve 603 to move outward, stretching the retraction spring 602. At this time, the welding wire passes through the middle of the anti-stick sleeve 603 and is supplied normally because the welding wire is pushed outward in real time. It is also not easy to stick to the anti-stick sleeve 603. After welding is completed; when the welding gun handle 101 is moved for welding, the welding filter 203 is on the side close to the welding wire. When the welding filter 203 moves down, if the weld is a right angle weld, it will stop the swing filter 403 when the steel plate to be welded is at a right angle. At this time, the swing filter 403 can rotate to adapt and avoid jamming, which would affect the downward movement of the welding filter 203. When the swing filter 403 rotates, it drives the rotation. The shaft 401 rotates together, and the torsion spring 402 can be used for elastic adaptation. When the welding torch gooseneck tube 102 is lifted after the arc is closed, the welding wire and the weld are separated at the same time, and the magnet 604 is moved away from the steel structure to be welded and is no longer magnetically attracted. At this time, the retraction spring 602 is used to pull back and reset. At this time, the welding wire is still in a high temperature state and the spatter has not been completely cooled. It can drive the anti-stick sleeve 603 to retract normally and separate from the area where spatter easily adheres to the front end of the welding wire, so that the next welding can be carried out normally.

[0038] During actual welding, two contact springs 502 need to be inserted into the weld. After the contact springs 502 with their bendable structure are inserted into the weld, they can stick together under the pressure of the weld. At this time, the buzzer 103 will sound an alarm. Once the weld is close to the end, because the contact springs 502 are behind the welding wire, if the arc-closing plate is forgotten to be installed at the end of the weld, the contact springs 502 will lose the weld stop and can elastically separate, no longer connecting the power supply, and the buzzer 103 will stop sounding. At this time, the worker can use their peripheral vision to check whether the arc-closing plate has been installed. If it has been forgotten, welding should be paused and resumed after the arc-closing plate has been installed.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel structure butt welding device for steel structure processing, comprising a welding handpiece (1), wherein a movable light-blocking component (2) is installed on the welding handpiece (1), characterized in that: The movable light-blocking component (2) is used to prevent flash from hitting the eye; a shielding safety component (3) is installed on the movable light-blocking component (2); the shielding safety component (3) is used to control the start of welding after priority shielding; An angle adapter (4) is installed on the movable light-blocking component (2); The bottom of the welding handpiece (1) is equipped with a slot control component (5); the slot control component (5) is used to ensure the installation of the arc-starting plate; The welding handpiece (1) is equipped with an anti-sticking retraction component (6); the anti-sticking retraction component (6) is used to reduce the wire blockage rate; The welding handpiece (1) includes: a welding torch handle (101), a pressing stop (1011), a welding torch gooseneck tube (102), and a stop ring (1021). The welding torch handle (101) is externally connected to a welding machine. The pressing stop (1011) is fixedly installed on the welding torch handle (101). The welding torch gooseneck tube (102) has a curved structure. The movable light-blocking component (2) includes: a movable sliding sleeve (201), a reset spring (202), a welding filter (203), and a rotating connecting plate (204). The movable sliding sleeve (201) is slidably sleeved on the front section of the welding torch gooseneck tube (102). The reset spring (202) is sleeved inside the movable sliding sleeve (201) and is located outside the welding torch gooseneck tube (102). The two ends of the reset spring (202) are fixedly installed between the movable sliding sleeve (201) and the stop ring (1021). The welding filter (203) is fixedly installed on the movable sliding sleeve (201). The welding filter (203) is installed at an angle. The welding filter (203) is used to lower and block the front end of the welding torch gooseneck tube (102). The rotating connecting plate (204) is fixedly installed on both sides of the welding filter (203). The shielding safety component (3) includes: a shielding push rod (301), a connecting frame (3011), and a squeeze switch (302). The bottom of the shielding push rod (301) is fixedly mounted with the connecting frame (3011), and the connecting frame (3011) is fixedly mounted on the movable sliding sleeve (201). The shielding push rod (301) is located outside the welding torch gooseneck tube (102). The squeeze switch (302) is fixedly mounted on the shielding push rod (301), and the squeeze switch (302) is aligned with the pressing stop post (1011). The shielding push rod (301) is used to push the movable sliding sleeve (201) to drive the welding filter (203) to move downward. The squeeze switch (302) and the welding torch handle (101) are connected to a welding machine series power supply. The included angle adapter (4) includes: a rotating shaft (401) and a torsion spring (402). There are two rotating shafts (401), which are rotatably mounted on both sides of two rotating connecting plates (204). A torsion spring (402) is sleeved on the two rotating shafts (401). The end of the torsion spring (402) is connected to the rotating shaft (401), and the other end of the torsion spring (402) is connected to the rotating connecting plate (204) on the same side.

2. The steel structure butt welding device for steel structure processing according to claim 1, characterized in that: The welding handheld part (1) further includes: a buzzer (103); a welding torch gooseneck tube (102) is fixedly installed on the welding torch handle (101); a conductive nozzle is provided inside the welding torch gooseneck tube (102); the conductive nozzle inside the welding torch gooseneck tube (102) is used for the welding wire to pass through; the outer side of the front section of the welding torch gooseneck tube (102) is a hexagonal structure; a stop ring (1021) is fixedly installed on the welding torch gooseneck tube (102); a thread is provided on the inner side of the front end of the welding torch gooseneck tube (102); and a buzzer (103) is fixedly installed on the welding torch handle (101).

3. The steel structure butt welding device for steel structure processing according to claim 1, characterized in that: The included angle adapter (4) further includes: a swing filter (403), on which the two rotating shafts (401) are respectively fixedly installed; the two swing filters (403) are respectively used to rotate and adapt the included angle weld.

4. The steel structure butt welding device for steel structure processing according to claim 2, characterized in that: The seam control component (5) includes: a seam fixing rod (501) and a welding spring (502). The seam fixing rod (501) is fixedly installed at the bottom of the welding torch gooseneck tube (102). The seam fixing rod (501) is aligned with the welding torch handle (101). The seam fixing rod (501) has a through hole. Two welding springs (502) are fixedly installed at the bottom of the seam fixing rod (501), and the two welding springs (502) are steel sheet bending structures. The two welding springs (502) are respectively used to be squeezed and pressed against the weld. The welding torch gooseneck tube (102) has a groove for wiring. The two welding springs (502) have a rubber coating on the outside. The two welding springs (502) and the buzzer (103) are connected in series with a power supply.

5. The steel structure butt welding device for steel structure processing according to claim 1, characterized in that: The anti-stick retraction component (6) includes: an anti-stick mounting shell (601) and a retraction spring (602). The anti-stick mounting shell (601) is threadedly connected to the end of the welding torch gooseneck tube (102). The retraction spring (602) is sleeved inside the anti-stick mounting shell (601), and the top of the retraction spring (602) is connected to the inside of the anti-stick mounting shell (601). The anti-stick mounting shell (601) is used to protect the conductive nozzle provided inside the welding torch gooseneck tube (102).

6. The steel structure butt welding device for steel structure processing according to claim 5, characterized in that: The anti-stick retraction component (6) further includes: an anti-stick sleeve (603) and a bonding magnet (604). The anti-stick sleeve (603) is slidably sleeved inside the anti-stick mounting shell (601). The middle part of the anti-stick sleeve (603) is used to pass through the welding wire. The bonding magnet (604) is fixedly sleeved inside the anti-stick sleeve (603), and the bonding magnet (604) is used to magnetically adhere to the steel plate to be welded. The anti-stick sleeve (603) is fixedly installed at the bottom of the retraction spring (602).

7. A steel structure butt welding device for steel structure processing according to claim 6, characterized in that: The anti-stick retraction component (6) further includes: a vent (605), and two through vents (605) are provided on the anti-stick sleeve (603) and the bonding magnet (604).

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