Steel structure butt welding device for steel structure machining

Abstract

The invention discloses a steel structure butt welding device for steel structure machining, and relates to the technical field of steel structure welding. Comprising a welding handheld part, a movable light blocking piece is installed on the welding handheld part, and the movable light blocking piece is used for preventing flash drilling; a shielding safety piece is mounted on the movable light shielding piece; the shielding safety piece is used for controlling welding after preferential shielding; an included angle adapting piece is mounted on the movable light blocking piece; an inserting seam control piece is mounted at the bottom of the welding handheld part; the inserting seam control piece is used for ensuring the installation of the run-on plate; the shielding safety piece is adopted to be matched with the movable light shielding piece, automatic control can be achieved, and before welding work is conducted, a welding gun gooseneck pipe is shielded through the welding light filter, and drilling prevention work is conducted; the steel structure butt welding device solves the problems that an existing steel structure butt welding device for steel structure machining is poor in anti-trepanning safety effect, and welding wire bonding and blocking cannot be conveniently and automatically controlled after welding is completed.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure welding, in particular to a steel structure butt welding device for steel structure processing. Background Art

[0002] During steel structure construction, welding is a common butt joint construction method in structures such as steel structure covers or beams. The welding quality directly affects the quality of steel structure construction. In actual steel structure welding work, an arc-stopping plate is required to assist in ensuring the continuity of the welding weld. The current steel structure butt welding device for steel structure processing usually adopts two-way welding manual operation. The anti-eye protection effect is not good during actual welding. It is easy for workers to forget to cover their eyes before starting welding. Direct operation welding causes great damage to the eyes and is not safe. At the same time, the welding gun is heavy. The method of manually operating the welding gun with one hand and holding the filter cover with the other hand is cumbersome and not flexible. It is also inconvenient for auxiliary workers to confirm the installation of the arc-starting plate. It is easy for workers to directly operate the welding gun to weld to the end of the weld, resulting in poor arc-stopping effect and affecting the local welding quality. At the same time, when the traditional welding work is completed, the welding wire stops being pushed out. After the welding spatter of the welding wire splashes and cools, it is easy for the spatter to stick between the welding wire and the conductive nozzle, making it difficult to push the welding wire out during the next welding, causing wire blockage, and it is not convenient for automatic control to prevent wire sticking and wire blockage after welding is completed.

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

[0004] The purpose of the present invention is to provide a steel structure butt welding device for steel structure processing, so as to solve the problem raised in the above background technology that the current steel structure butt welding device for steel structure processing has poor anti-drilling insurance effect and is not convenient for automatic control to prevent welding wire from sticking and blocking after welding is completed.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: A steel structure butt welding device for steel structure processing, comprising a welding handheld part, on which a movable light blocking part is installed, and the movable light blocking part is used to prevent flash drilling; a shielding safety part is installed on the movable light blocking part; the shielding safety part is used to control the start of welding after priority shielding; an angle adapter is installed on the movable light blocking part; a slot control part is installed at the bottom of the welding handheld part; the slot control part is used to ensure the installation of an arc starting plate; an anti-sticking retraction part is installed on the welding handheld part; the anti-sticking retraction part is used to reduce the wire blocking rate; the welding handheld part comprises: a welding gun handle and a press-stop column, the welding gun handle is externally connected to the welding machine; a press-stop column is fixedly installed on the welding gun handle.

[0006] Preferably, the welding handheld part also includes: a welding gun gooseneck, a stop ring and a buzzer, the welding gun gooseneck is fixedly mounted on the welding gun handle; the welding gun gooseneck is a curved structure; a conductive nozzle is provided inside the welding gun gooseneck; the conductive nozzle inside the welding gun gooseneck is used for the welding wire to pass through; the outer side of the front section of the welding gun gooseneck is a hexagonal structure; a stop ring is fixedly mounted on the welding gun gooseneck; the inner side of the front end of the welding gun gooseneck is provided with a thread; and a buzzer is fixedly mounted on the welding gun handle.

[0007] Preferably, the movable light blocking component includes: a movable sleeve, a reset spring, a welding filter and a rotating connecting plate, the movable sleeve is slidably sleeved on the front section of the welding gun gooseneck; the reset spring is sleeved inside the movable sleeve, and the reset spring is located on the outside of the welding gun gooseneck; the two ends of the reset spring are fixedly installed between the movable sleeve and the stop ring; the welding filter is fixedly installed on the movable sleeve; the welding filter is installed obliquely; the welding filter is used to move downward to block the front end of the welding gun gooseneck; and 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 squeezing switch, the bottom of the shielding push rod is fixedly installed with a connecting frame, and the connecting frame is fixedly installed on the movable sleeve; the shielding push rod is located on the outside of the gooseneck tube of the welding gun; the squeezing switch is fixedly installed on the shielding push rod, and the squeezing switch is aligned with the pressing column; the shielding push rod is used to push the movable sleeve to drive the welding filter to move downward; the squeezing switch and the welding gun handle are connected to the welding machine in series with a power supply.

[0009] Preferably, the angle adapter includes: a rotating shaft and a torsion spring, there are two rotating shafts, and the two rotating shafts are rotatably installed on both sides of the two rotating connecting plates; a torsion spring is sleeved on the two rotating shafts; one end of the torsion spring is connected to the rotating shaft, and the other end of the torsion spring is connected to the rotating connecting plate on the same side.

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

[0011] Preferably, the slot control component includes: a slot fixing rod and a power-connecting spring clip, the slot fixing rod is fixedly installed at the bottom of the welding gun gooseneck; the slot fixing rod is aligned with the welding gun handle; a through hole is provided on the slot fixing rod; two power-connecting spring clips are fixedly installed at the bottom of the slot fixing rod, and the two power-connecting spring clips are respectively a bent steel sheet structure; the two power-connecting spring clips are respectively used to be squeezed and fitted by the weld; the welding gun gooseneck is provided with a groove for wiring; the outer side of the two power-connecting spring clips is provided with a rubber coating; the two power-connecting spring clips and the buzzer are connected in series with a power supply.

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

[0013] Preferably, the anti-sticking retraction part also includes: an anti-sticking sleeve and a bonding magnet, the anti-sticking sleeve is slidably sleeved inside the anti-sticking mounting shell; the middle part of the anti-sticking sleeve is used to pass the welding wire; the anti-sticking sleeve is fixedly sleeved with a bonding magnet, and the bonding magnet is used to magnetically bond the steel plate to be welded; the anti-sticking sleeve is fixedly installed at the bottom of the retraction spring.

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

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention adopts a shielding safety part in conjunction with a movable light blocking part, which can realize automatic control. Before welding work, the welding gun gooseneck is first shielded by the welding filter to prevent drilling. It can effectively avoid manual forgetting to shield or directly welding without using the welding filter to shield. This structure can be used to control welding priority. At the same time, this structure uses an obliquely raised welding filter to achieve the goal of no longer shielding the front end of the welding gun gooseneck after the height is raised, which can facilitate the staff to confirm the welding wire position and improve the safety of use. The welding filter directly installed on the welding gun gooseneck can increase the flexibility of the staff, and there is no need to hold the traditional filter cover; the angle adapter can realize the rotation adaptation of the angle weld to avoid jamming.

[0016] The use of the insertion seam control component can automatically detect when the welding position is close to the end of the weld, and can realize automatic control and prompting. It can assist and warn the staff to use the peripheral vision to observe whether the arc closing plate has been added to the end of the weld in time. It can avoid the staff from continuing to weld and continue to weld to the end when approaching the end. If the arc closing plate is not installed at this time, it is easy to cause the welding pool to not completely fill the end of the weld. This structure can directly prompt the staff and improve the continuity of the weld.

[0017] The anti-stick retraction part can be used to protect the conductive nozzle inside the gooseneck of the welding gun. The anti-stick retraction part can automatically retract after welding is completed, which can prevent the welding wire and welding spatter from adhering to the anti-stick sleeve and the welding wire after cooling after welding is completed, causing wire blockage in subsequent welding. It can effectively reduce the wire blockage rate and ensure that there is no adhesion between the welding wire and the anti-stick sleeve during the next welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the overall structure of a steel structure butt welding device for steel structure processing according to the present invention; 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; 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; Figure 4 This is a schematic structural diagram of the welding handle of the present invention; Figure 5 This is a schematic structural diagram of the movable light blocking member of the present invention; Figure 6 This is a schematic diagram of the structure of the shielding safety member of the present invention; Figure 7 For the present invention Figure 2 A magnified view of the structure of the middle D region; Figure 8 For the present invention Figure 2 A magnified view of the structure of the middle E region; Figure 9 For the present invention Figure 3 A magnified view of the structure of the middle F region; Figure 10 This is a schematic structural diagram of the anti-sticking retraction component of the present invention.

[0019] In the figure: 1. Welding hand-held part; 101. Welding gun handle; 1011. Press stop column; 102. Welding gun gooseneck; 1021. Stop ring; 103. Buzzer; 2. Moving light blocking part; 201. Moving sliding sleeve; 202. Reset spring; 203. Welding filter; 204. Rotating connecting plate; 3. Shielding safety part; 301. Shielding push rod; 3011. Connecting frame; 302. Squeeze switch; 4. Angle adapter; 401. Rotating shaft; 402. Torsion spring; 403. Swinging filter; 5. Insertion gap control part; 501. Insertion gap fixing rod; 502. Power spring; 6. Anti-sticking retraction part; 601. Anti-sticking mounting shell; 602. Retraction spring; 603. Anti-sticking sleeve; 604. Fitting magnet; 605. Vent. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1: Please refer to Figures 1 to 10 As shown: The present invention provides a technical solution: a steel structure butt welding device for steel structure processing, comprising a welding handheld part 1, a movable light blocking part 2 is installed on the welding handheld part 1, the movable light blocking part 2 is used to prevent flash drilling; a shielding safety part 3 is installed on the movable light blocking part 2; the shielding safety part 3 is used to control the start of welding after priority shielding; an angle adapter 4 is installed on the movable light blocking part 2; a slot control part 5 is installed at the bottom of the welding handheld part 1; the slot control part 5 is used to ensure the installation of an arc starting plate; an anti-sticking retraction part 6 is installed on the welding handheld part 1; the anti-sticking retraction part 6 is used to reduce the wire blocking rate; the welding handheld part 1 comprises: a welding gun handle 101 and a pressing block column 1011, the welding gun handle 101 is externally connected to a welding machine; the pressing block column 1011 is fixedly installed on the welding gun handle 101.

[0022] The welding handheld part 1 further includes: a welding gun gooseneck 102, a stop ring 1021 and a buzzer 103. The welding gun gooseneck 102 is fixedly mounted on the welding gun handle 101; the welding gun gooseneck 102 is a curved structure; a conductive nozzle is provided inside the welding gun gooseneck 102; the conductive nozzle inside the welding gun gooseneck 102 is used for the welding wire to pass through; the outer side of the front section of the welding gun gooseneck 102 is a hexagonal structure; a stop ring 1021 is fixedly mounted on the welding gun gooseneck 102; the welding gun The front end of the gooseneck tube 102 is provided with a thread on the inner side; a buzzer 103 is fixedly installed on the welding gun handle 101; the movable light blocking member 2 includes: a movable sleeve 201, a reset spring 202, a welding filter 203 and a rotating connecting plate 204, the movable sleeve 201 is slidably sleeved on the front section of the welding gun gooseneck tube 102; a reset spring 202 is sleeved inside the movable sleeve 201, and the reset spring 202 is located on the outside of the welding gun gooseneck tube 102; both ends of the reset spring 202 are fixedly installed Installed between the movable sleeve 201 and the stop ring 1021; a welding filter 203 is fixedly installed on the movable sleeve 201; the welding filter 203 is installed obliquely; the welding filter 203 is used to move downward to shield the front end of the welding gun gooseneck tube 102; a rotating connecting plate 204 is fixedly installed on both sides of the welding filter 203; the shielding safety member 3 includes: a shielding push rod 301, a connecting frame 3011 and a squeeze switch 302, and the bottom of the shielding push rod 301 is fixedly installed There is a connecting frame 3011, and the connecting frame 3011 is fixedly installed on the movable sliding sleeve 201; the shielding push rod 301 is located outside the welding gun gooseneck tube 102; the shielding push rod 301 is fixedly installed with a squeeze switch 302, and the squeeze switch 302 is aligned with the pressing block column 1011; the squeeze switch 302 is recessed in the shielding push rod 301 to prevent people from accidentally touching it with their fingers; the shielding push rod 301 is used to push the movable sliding sleeve 201 to drive the welding filter 203 downward;The welding machine power supply is connected in series with the extrusion switch 302 and the welding gun handle 101. The shielding safety part 3 is combined with the movable light blocking part 2 to realize automatic control. Before welding, the welding gun gooseneck 102 is first shielded by the welding filter 203 to prevent drilling. This can effectively avoid manual forgetting to shield or not using the welding filter 203 to shield and weld directly. This structure can be used to control welding priority, the structure is more reasonable, and the staff can operate smoothly. At the same time, this structure uses the oblique lifting welding filter 203 to achieve that the front end of the welding gun gooseneck 102 is no longer blocked after the height is raised, which can facilitate the staff to confirm the position of the welding wire. The structure is more reasonable and improves safety in use. At the same time, this structure uses the welding filter 203 directly installed on the welding gun gooseneck 102 to increase the staff's flexibility in use. Active, no need to hold the traditional filter cover, you can directly hold the welding gun handle 101 with both hands to operate, increasing safety. 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 to the weld seam, and observe the position of the welding wire end to align the weld seam. At this time, the welding filter 203 is at the top, and the worker can observe the welding wire normally. When it is necessary to power on the welding, it is necessary to press down the shielding push rod 301 to drive the welding filter 203 downward. Moreover, 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 reset spring 202 to shield the welding position and prevent drilling. Only then can the welding machine be powered on normally to control the power supply and weld work, realizing safety control and smooth and fast operation by the worker.

[0023] Among them, the angle adapter 4 includes: a rotating shaft 401 and a torsion spring 402. There are two rotating shafts 401, and the two rotating shafts 401 are rotatably installed on both sides of the two rotating connecting plates 204; the two rotating shafts 401 are sleeved with torsion springs 402; 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 angle adapter 4 also includes: a swing filter 403, and the two rotating shafts 401 are respectively fixedly installed with swing filters 403; the two swing filters 403 are respectively used to rotate and adapt to the angle weld; the use of the angle adapter 4 can realize the rotational adaptation of the angle weld, avoid jamming, and have a more reasonable structure. The versatility of this structure can be improved, and it can be applicable to, for example, the welding work of I-beams and adapt to right-angle welds.

[0024] The slot control part 5 includes: a slot fixing rod 501 and a power-connecting spring piece 502, the slot fixing rod 501 is fixedly mounted on the bottom of the welding gun gooseneck 102; the slot fixing rod 501 is aligned with the welding gun handle 101; a through hole is provided on the slot fixing rod 501; two power-connecting spring pieces 502 are fixedly mounted on the bottom of the slot fixing rod 501, and the two power-connecting spring pieces 502 are respectively a steel sheet bending structure; the two power-connecting spring pieces 502 are respectively used to be squeezed and fitted by the weld; a groove for wiring is provided on the welding gun gooseneck 102; the outer side of the two power-connecting spring pieces 502 is provided with a rubber coating; the two power-connecting spring pieces 502 and the buzzer 103 are connected in series with a power supply, and the slot control part 5 can be used to automatically detect when the welding position is close to the end of the weld, and can realize automatic control to give prompts, which can assist and warn the staff to use their peripheral vision to observe whether an arc-ending plate has been added to the tail end of the weld in time, so as to avoid the staff from continuing to weld, and also Continue welding to the end. If the arc-ending plate is not installed at this time, it is easy for the welding molten pool to not completely fill the end of the weld. This structure can directly remind the staff and improve the continuity of the weld. The welding arc-starting plate is responsible for the arc starting, and the staff usually will not forget it. The arc-ending plate is at the end and will not affect the arc starting, so it is easy to forget to install it. At the same time, using the power-connecting spring clip 502 to insert the weld can also improve welding stability and improve welding quality. Once it approaches the end of the weld, because the power-connecting spring clip 502 is at the rear side of the welding wire, once the arc-ending plate is forgotten to be installed at the end of the weld, the power-connecting spring clip 502 loses the weld stop and can be elastically separated. The power is no longer connected, and the buzzer 103 no longer beeps to remind. At this time, the staff can use their peripheral vision to observe whether the arc-ending plate is installed. If it is forgotten to be installed, welding should be suspended first, and welding can be continued after the arc-ending plate is installed, thereby ensuring the continuity of the molten pool formation at the end of the weld.

[0025] Example 2, based on Example 1, the anti-sticking retraction part 6 includes: an anti-sticking mounting shell 601 and a retraction spring 602, the anti-sticking mounting shell 601 is threadedly connected to the end of the welding gun gooseneck 102; the retraction spring 602 is sleeved inside the anti-sticking mounting shell 601, and the top of the retraction spring 602 is connected to the inner side of the anti-sticking mounting shell 601; the anti-sticking mounting shell 601 is used to protect the conductive nozzle provided inside the welding gun gooseneck 102; the anti-sticking retraction part 6 also includes: an anti-sticking sleeve 603 and a bonding magnet 604, The sleeve 603 is slidably sleeved inside the anti-sticking mounting shell 601; the middle part of the anti-sticking sleeve 603 is used to pass the welding wire; the interior of the anti-sticking sleeve 603 is fixedly sleeved with a bonding magnet 604, and the bonding magnet 604 is used to magnetically adhere to the steel plate to be welded; the anti-sticking sleeve 603 is fixedly mounted on the bottom of the retraction spring 602; the anti-sticking retraction part 6 also includes: a vent 605, and two through vents 605 are provided on the anti-sticking sleeve 603 and the bonding magnet 604. The anti-sticking retraction part 6 can protect the gooseneck of the welding gun. The conductive nozzle 102 is provided inside to prevent the spatter generated by welding from adhering to the conductive nozzle and the welding wire inside the gooseneck tube 102 of the welding gun. At the same time, the anti-sticking retraction member 6 used in this structure can be automatically retracted after welding is completed, which can prevent the welding wire and welding spatter from adhering to the anti-sticking sleeve 603 and the welding wire after cooling after welding is completed, causing wire blockage in subsequent welding. It can effectively reduce the wire blockage rate and ensure that there is no adhesion between the welding wire and the anti-sticking sleeve 603 during the next welding. The thermal separation method avoids adhesion, has a simple structure, and is automatically controlled. The vent 605 does not affect the airflow circulation of the second welding. During actual welding, when the gooseneck tube 102 of the welding gun is lifted after the arc is closed, the welding wire and the weld are separated. At the same time, the bonding magnet 604 is away from the steel structure to be welded, and is no longer magnetically attracted. At this time, the retraction spring 602 is pulled back and reset. At this time, the welding wire is still in a high temperature state, and the spatter has not completely cooled down. It can normally drive the anti-sticking sleeve 603 to retract and separate from the front end of the welding wire to achieve anti-sticking.

[0026] Working principle of this embodiment: 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 to the weld seam, and observe the position of the end of the welding wire to align the weld seam. At this time, the welding filter 203 is at the top, as shown in the attached figure. Figure 1When welding, the welding filter 203 is in the forward and downward position, close to the end of the welding wire, and the reset spring 202 is stretched to block the welding position and prevent drilling. Only then can the extrusion switch 302 be driven downward to make the pressing block column 1011 insert into the shielding advancement rod 301 and press the extrusion switch 302. Only then can the welding machine be powered on normally to control the power supply for welding and realize safety control. The end of the welding gun gooseneck 102 is close to the weld seam, and the bonding magnet 604 is also close to and magnetically attracts the steel structure to be welded. At this time, the bonding magnet 604 drives the anti-sticking sleeve 603 to move outward, stretching the retraction spring 602. At this time, the welding wire passes through the middle of the anti-sticking sleeve 603 and is supplied normally, because the welding wire is pushed outward in real time at this time. , and it is not easy to stick to the anti-sticking shell 603, and the subsequent welding is completed; when the welding gun handle 101 is manually held and moved for welding, the welding filter 203 is at the side close to the welding wire. When the welding filter 203 moves down, if the weld is a right-angle weld, the steel plates to be welded are at a right angle, which will stop the swing filter 403. At this time, the swing filter 403 can be rotated and adapted to avoid jamming and affecting 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 is elastically adapted. When the gooseneck tube 102 of the welding gun is lifted after the arc is closed, the welding wire and the weld are separated, and the bonding magnet 604 is 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 it back and reset. At this time, the welding wire is still in a high temperature state and the spatter has not completely cooled down. The anti-sticking sleeve 603 can be normally driven to retract and separate from the area where the spatter is easily attached to the front end of the welding wire, so that the next welding can proceed normally. During actual welding, it is necessary to insert the two power-connecting spring clips 502 into the weld. After the power-connecting spring clips 502 with the inclined bending structure are inserted into the weld, the two power-connecting spring clips 502 can fit together under the pressure of the weld. At this time, the buzzer 103 can sound an alarm. Once it approaches the end of the weld, because the power-connecting spring clips 502 are at the rear side of the welding wire, once the arc-closing plate is forgotten to be installed at the end of the weld, the power-connecting spring clips 502 lose the weld stop and can be elastically separated. The power is no longer connected and the buzzer 103 no longer sounds a alarm. At this time, the staff can use their peripheral vision to observe whether the arc-closing plate is installed. If it is forgotten to be installed, welding should be suspended at this time, and welding can be continued after the arc-closing plate is installed.

[0027] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0028] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A steel structure butt welding device for steel structure processing, comprising a welding handheld part (1), wherein a movable light blocking part (2) is mounted on the welding handheld part (1), and characterized in that: The movable light blocking member (2) is used to prevent flash drilling; a shielding safety member (3) is installed on the movable light blocking member (2); the shielding safety member (3) is used to control the start of welding after priority shielding; An angle adapter (4) is installed on the movable light blocking member (2); A slotting control member (5) is installed at the bottom of the welding handheld portion (1); the slotting control member (5) is used to ensure the installation of the arc striking plate; An anti-sticking retraction part (6) is installed on the welding handheld part (1); the anti-sticking retraction part (6) is used to reduce the wire blocking rate; The welding handheld part (1) comprises: a welding gun handle (101) and a pressing stop column (1011); the welding gun handle (101) is externally connected to a welding machine; and the pressing stop column (1011) is fixedly mounted on the welding gun handle (101).

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

3. The steel structure butt welding device for steel structure processing according to claim 2, characterized in that: The movable light blocking member (2) comprises: a movable sleeve (201), a reset spring (202), a welding filter (203) and a rotating connecting plate (204); the movable sleeve (201) is slidably sleeved on the front section of the welding gun gooseneck (102); the reset spring (202) is sleeved inside the movable sleeve (201), and the reset spring (202) is located outside the welding gun gooseneck (102); both ends of the reset spring (202) are fixedly mounted between the movable sleeve (201) and the stop ring (1021); the welding filter (203) is fixedly mounted on the movable sleeve (201); the welding filter (203) is installed obliquely; the welding filter (203) is used to move downward to block the front end of the welding gun gooseneck (102); and the rotating connecting plates (204) are fixedly mounted on both sides of the welding filter (203).

4. The steel structure butt welding device for steel structure processing according to claim 3, characterized in that: The shielding safety member (3) comprises: 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 gun gooseneck (102); the squeezing switch (302) is fixedly mounted on the shielding push rod (301), and the squeezing switch (302) is aligned with the pressing column (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 squeezing switch (302) and the welding gun handle (101) are connected in series with a welding machine power supply.

5. The steel structure butt welding device for steel structure processing according to claim 3, characterized in that: The angle adapter (4) comprises: a rotating shaft (401) and a torsion spring (402), wherein two rotating shafts (401) are provided, and the two rotating shafts (401) are rotatably mounted on both sides of two rotating connecting plates (204) respectively; a torsion spring (402) is sleeved on the two rotating shafts (401); an 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.

6. The steel structure butt welding device for steel structure processing according to claim 5, characterized in that: The angle adapter (4) further comprises a swing filter (403), and the two rotating shafts (401) are respectively fixedly mounted with the swing filter (403); the two swing filters (403) are respectively used for rotating and adapting the angle weld.

7. The steel structure butt welding device for steel structure processing according to claim 2, characterized in that: The slot control component (5) comprises: a slot fixing rod (501) and a power connection spring (502), wherein the slot fixing rod (501) is fixedly mounted on the bottom of a welding gun gooseneck (102); the slot fixing rod (501) is aligned with the welding gun handle (101); a through hole is provided on the slot fixing rod (501); two power connection springs (502) are fixedly mounted on the bottom of the slot fixing rod (501), and the two power connection springs (502) are respectively steel sheet bent structures; the two power connection springs (502) are respectively used for being squeezed and fitted by the welding seam; a groove for wiring is provided on the welding gun gooseneck (102); a rubber coating is provided on the outer sides of the two power connection springs (502); the two power connection springs (502) and the buzzer (103) are connected in series with a power supply.

8. The steel structure butt welding device for steel structure processing according to claim 2, characterized in that: The anti-sticking retraction member (6) comprises: an anti-sticking mounting shell (601) and a retraction spring (602); the anti-sticking mounting shell (601) is threadedly connected to the end of the welding gun gooseneck (102); the retraction spring (602) is sleeved inside the anti-sticking mounting shell (601), and the top of the retraction spring (602) is connected to the inner side of the anti-sticking mounting shell (601); the anti-sticking mounting shell (601) is used to protect the conductive nozzle provided inside the welding gun gooseneck (102).

9. The steel structure butt welding device for steel structure processing according to claim 8, characterized in that: The anti-sticking retracting member (6) further comprises: an anti-sticking sleeve (603) and a bonding magnet (604), wherein the anti-sticking sleeve (603) is slidably sleeved inside the anti-sticking mounting shell (601); the middle portion of the anti-sticking sleeve (603) is used to pass the welding wire; a bonding magnet (604) is fixedly sleeved inside the anti-sticking sleeve (603), and the bonding magnet (604) is used to magnetically attract and bond the steel plate to be welded; the anti-sticking sleeve (603) is fixedly mounted on the bottom of the retraction spring (602).

10. The steel structure butt welding device for steel structure processing according to claim 9, characterized in that: The anti-sticking retractable component (6) further comprises: a vent hole (605); two through-going vent holes (605) are provided on the anti-sticking sleeve (603) and the bonding magnet (604).

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