A laser welding machine for construction

Abstract

The present invention belongs to the field of welding processing technology, and discloses a laser welding machine for construction, which includes a welding body: a trapezoidal table, which is fixedly arranged on the inner wall of the welding body, and a hollow circular table is fixedly arranged on one side of the trapezoidal table. When the present invention is in use, the external power switch of the driving motor is turned on to rotate the fan blades, and the multiple scrapers are rotated to scrape the impurities adhering to one side of the filter plate to prevent the impurities from blocking the leakage holes on the filter plate and affecting the circulation of gas. After the power of the driving motor is turned off, the fan blades stop rotating, and the impurities will fall into the inside of the collection box under the influence of gravity. The collection box can slide on the inner wall of the support box, and the collection box can be pulled by opening the door. At this time, the impurities inside the collection box can be processed, so that when the welding machine is used, the impurities generated by welding are easy to collect, thereby improving the practicality of the welding machine.

Description

Technical Field

[0001] The invention belongs to the field of welding processing, in particular to a laser welding machine for building construction. Background Art

[0002] In modern construction, welding technology, as an important processing method, is widely used in the connection and processing of construction workpieces. Especially in the construction field with high precision requirements, laser welding machines have become the mainstream welding tools. Laser welding machines have the characteristics of high efficiency, precision, and high strength, and can meet various welding needs in modern construction.

[0003] The working principle of the laser welding machine is to use a laser beam to locally heat the workpiece to the melting point, so that a molten pool is generated locally on the workpiece to achieve the effect of connection or repair. During the welding process, relative movement between the welding head and the workpiece is essential. In order to be able to perform precise operations at different welding positions, the laser welding machine is usually equipped with a moving mechanism, which can drive the welding head to move up and down or left and right on the workpiece as required, thereby realizing welding operations at different positions.

[0004] However, during the welding process of existing laser welding machines, the gases and impurities generated by laser welding cannot be collected and treated in a timely and effective manner. These impurities may affect the welding effect and even affect the safety of the working environment. Most current welding machines lack efficient impurity collection and gas treatment devices. The harmful gases generated by welding are often directly discharged into the air and discharged into the working environment without being treated, posing a safety hazard. Secondly, the existing welding work surface is also prone to accumulate various impurities during the welding process. These impurities not only affect the quality of the welded workpiece, but also increase the difficulty of subsequent cleaning. It is necessary to manually clean the impurities on the workbench, which increases the complexity and labor intensity of the operation. Summary of the Invention

[0005] In order to solve the problems raised in the above background technology, the present invention provides a laser welding machine for construction.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: the machine includes a welding body:

[0007] A trapezoidal table is fixedly arranged on the inner wall of the welding body, and a hollow truncated table is fixedly arranged on one side of the trapezoidal table. Gas and fine impurities generated by welding are sucked into the interior of the trapezoidal table through the through holes on the welding workbench, and further discharged into the interior of the hollow truncated table.

[0008] A rectangular tube is fixedly arranged at one end of the hollow cone, and a first through tube is installed on one side of the hollow cone;

[0009] The filter plate is set on one side of the inner wall of the rectangular tube by screws, and a rotating rod is set at the center of one side of the filter plate through a bearing. The filter plate can be removed from the rectangular tube by turning the screws;

[0010] A connecting plate is fixedly provided at one end of the rotating rod, and a plurality of scrapers are fixedly provided on the outer surface of the connecting plate. When the rotating rod rotates, the connecting plate is driven to rotate, and the plurality of scrapers are further rotated. The plurality of scrapers are closely attached to one side of the filter plate. When the plurality of scrapers rotate, the impurities adhering to one side of the filter plate are scraped off to prevent the impurities from blocking the leakage holes on the filter plate and affecting the circulation of gas.

[0011] In the above technical solution, preferably, a support box is fixedly provided on one side of the rectangular tube, a collection box is slidably provided on the inner wall of the support box, a plurality of scrapers are provided on one side of the filter plate, a slot is provided on one side of the rotating rod, a bin door is hinged on one side of the welding body, a welding workbench is provided on one side of the welding body by screws, fan blades are installed on the outer surface of the rotating rod, the collection box can slide on the inner wall of the support box, the bin door is opened to pull the collection box, and the impurities inside the collection box can be processed at this time.

[0012] In the above technical solution, preferably, a second through-tube is installed on one side of the first through-tube through a sealing flange, a transmission rod is provided at the center of one side of the second through-tube through a bearing, an insert plate is fixedly provided at one end of the transmission rod, and the insert plate is movably embedded in the inner wall of the slot, and the transmission rod can rotate through the bearing, and the sealing flanges of the first through-tube and the second through-tube are removed, and the second through-tube is further removed from the first through-tube.

[0013] In the above technical solution, preferably, two L-shaped rods are fixedly provided on one side of the second through tube, and a drive motor is installed at the opposite end of the two L-shaped rods. The output shaft of the drive motor is fixedly provided at one end of the transmission rod. When the external power switch of the drive motor is turned on, the two L-shaped rods support the drive motor, so that the drive motor is installed on one side of the second through tube, and then the output shaft of the drive motor drives the transmission rod to rotate.

[0014] In the above technical solution, preferably, a plurality of mixing plates are fixedly provided on the outer surface of the transmission rod, a baffle is fixedly sleeved on the outer surface of the transmission rod, a partition is provided on one side of the baffle, and the plurality of mixing plates rotate, and the plurality of mixing plates stir the activated carbon inside the second through pipe, thereby making the activated carbon and the inhaled gas fully contact together, and further making the activated carbon fully adsorb the harmful substances in the gas.

[0015] In the above technical solution, preferably, the partition is movably sleeved on the outer surface of the transmission rod, and a rotating drum is threadedly sleeved on the outer surface of the transmission rod. A plurality of air holes are opened on one side of the welding body. The partition can slide on the outer surface of the transmission rod, and the position of the partition is locked by rotating the rotating drum clockwise. The processed gas is discharged from the interior of the welding body through the plurality of air holes.

[0016] In the above technical solution, preferably, a moving mechanism is installed on one side of the welding workbench, a mounting base is fixedly provided on one side of the moving mechanism, a welding head is installed on one side of the mounting base, and a support plate is fixedly provided on one side of the mounting base. In the prior art, the position of the welding head can be adjusted through the moving mechanism, so that the welding head can move up and down or left and right, and thus different positions of the workpiece can be welded.

[0017] In the above technical solution, preferably, a bolt is movably embedded in the center of one side of the support plate, and a nut is threadedly sleeved on the outer surface of the bolt. The bolt can slide on the inner wall of the support plate and be removed from the support plate by rotating the nut. At this time, the bristles on the brush plate can be cleaned.

[0018] In the above technical solution, preferably, a first telescopic rod is fixedly provided at one end of the nut, a second telescopic rod is movably embedded in the inner wall of the first telescopic rod, and the second telescopic rod can slide on the inner wall of the first telescopic rod.

[0019] In the above technical solution, preferably, a brush plate is fixedly provided on one side of the second telescopic rod, and a spring is movably provided on the outer surface of the second telescopic rod. The brush plate sweeps the impurities on the welding workbench, so that the impurities fall into the interior of the support box of the welding body through the small holes of the welding workbench. The spring has elastic force, and when the spring is squeezed, it will generate a reverse force, and the brush plate is pushed by the elastic force of the spring, so that one side of the brush plate bristles is tightly attached to one side of the welding workbench.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. When using the laser welding machine of the present invention, the parts to be welded are placed on the welding workbench, and the workpieces are welded through the welding head. During welding, by turning on the external power switch of the driving motor, the two L-shaped rods support the driving motor, so that the driving motor is installed on one side of the second through-tube, and then the output shaft of the driving motor drives the transmission rod to rotate, and further drives the rotating rod to rotate through the plug plate, and further rotates the fan blades. When the fan blades rotate, the air circulation is driven, and the gas and fine impurities generated by welding are sucked into the interior of the trapezoidal table through the through holes on the welding workbench, and further discharged to the interior of the hollow circular table. The gas is sucked into the first through-tube through the leakage holes on the filter plate When the multiple scrapers rotate, they scrape the impurities adhering to one side of the filter plate to prevent the impurities from blocking the leakage holes on the filter plate and affecting the circulation of gas. After the power of the driving motor is turned off, the fan blades stop rotating, and the impurities will fall into the inside of the collection box under the influence of gravity. The collection box can slide on the inner wall of the support box and the collection box can be pulled by opening the door. At this time, the impurities inside the collection box can be processed, so that when the welding machine is used, the impurities generated by welding are easy to collect, thereby improving the practicality of the welding machine.

[0022] 2. During welding, the present invention drives the motor in an on state, and the output shaft of the drive motor drives the transmission rod to rotate. The gas is guided by the fan blades through the small holes on the partition and discharged into the interior of the second through-tube. The interior of the second through-tube is filled with activated carbon. When the transmission rod rotates, it drives multiple mixing plates to rotate. The multiple mixing plates stir the activated carbon inside the second through-tube, so that the activated carbon and the inhaled gas are fully in contact with each other, and the activated carbon fully absorbs harmful substances in the gas and processes the gas. The treated gas is discharged through the small holes on one side of the second through-tube and then discharged from the interior of the welding machine through multiple air holes. When replacing the activated carbon, the activated carbon is removed by opening the chamber. Door, at this time, remove the sealing flanges of the first through-tube and the second through-tube, further remove the second through-tube from the first through-tube, rotate the drum counterclockwise to remove it from the transmission rod, and the partition can slide on the outer surface of the transmission rod. At this time, the baffle can be slid out from the drum, pour out the activated carbon inside the second through-tube, pour new activated carbon inside it, put the baffle on the surface of the drum, press against one side of the baffle, rotate the drum clockwise to lock the position of the baffle, so that the plug-in plate is inserted into the inside of the slot, install the second through-tube and the first through-tube together, and complete the replacement of the activated carbon. During welding, the gas generated by welding can be treated before being discharged to protect the welding environment.

[0023] 3. After the welding is completed, the present invention controls the mounting base to descend through the moving mechanism, and further drives the brush plate to descend. The second telescopic rod can slide at the inner wall of the first telescopic rod, and when the brush plate contacts one side of the welding workbench, the second telescopic rod slides into the inside of the first telescopic rod. The spring has elastic force, and when the spring is squeezed, a reverse force will be generated, and the brush plate is pushed by the elastic force of the spring, so that one side of the brush plate bristles is tightly attached to one side of the welding workbench, and the support plate is controlled to move, so that the brush plate sweeps the impurities on the welding workbench, so that the impurities fall into the inside of the support box of the welding machine body through the small holes of the welding workbench, and the bolt can slide at the inner wall of the support plate and be removed from the support plate by rotating the nut. At this time, the bristles on the brush plate can be cleaned, so that the welding workbench is easy and convenient to clean during welding, without manual cleaning, which is convenient for the use of the welding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The present invention provides a schematic diagram of the front three-dimensional structure of a laser welding machine for construction.

[0025] Figure 2 The present invention provides a rear-view stereoscopic structural schematic diagram of a laser welding machine for construction.

[0026] Figure 3 The present invention provides a schematic diagram of a three-dimensional structure with a removed welding workbench in a laser welding machine for construction.

[0027] Figure 4 The present invention provides a schematic diagram of the internal three-dimensional structure of a welding body in a laser welding machine for construction.

[0028] Figure 5 The present invention provides a schematic diagram of the bottom three-dimensional structure of a welding workbench in a laser welding machine for construction.

[0029] Figure 6 The present invention provides a schematic diagram of the cross-sectional three-dimensional structure of a rectangular tube in a laser welding machine for construction.

[0030] Figure 7 The present invention provides a schematic diagram of a sectional three-dimensional structure of a first through-tube and a second through-tube in a laser welding machine for construction.

[0031] Figure 8 The present invention provides a schematic cross-sectional three-dimensional structure diagram of a first through-tube and a second through-tube in a partition plate of a laser welding machine for construction.

[0032] Figure 9 The present invention proposes a laser welding machine for construction Figure 2 A in the figure is an enlarged schematic diagram of the three-dimensional structure.

[0033] Figure 10 The present invention proposes a laser welding machine for construction Figure 7 B is a schematic diagram of the enlarged three-dimensional structure.

[0034] Legend: 1. Welding machine body; 2. Welding workbench; 201. Trapezoidal table; 202. Hollow circular table; 203. Rectangular tube; 204. Support box; 205. Collecting box; 206. First through-pipe; 207. Filter plate; 208. Rotating rod; 209. Fan blade; 210. Connecting plate; 211. Scraper; 212. Notch; 213. Door; 3. Second through-pipe; 301. Transmission rod; 30 2. L-shaped rod; 303. Drive motor; 304. Mixing plate; 305. Partition; 306. Baffle; 307. Rotating drum; 308. Insert plate; 309. Air vent; 4. Motion mechanism; 401. Mounting base; 402. Welding head; 403. Support plate; 404. Bolt; 405. Nut; 406. First telescopic rod; 407. Second telescopic rod; 408. Spring; 409. Brush plate. DETAILED DESCRIPTION

[0035] 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.

[0036] like Figures 1 to 10 As shown, the present invention provides a laser welding machine for construction, which includes a welding body 1:

[0037] The trapezoidal table 201 is fixedly arranged on the inner wall of the welding machine body 1, and a hollow circular table 202 is fixedly arranged on one side of the trapezoidal table 201. The gas and fine impurities generated by welding are sucked into the interior of the trapezoidal table 201 through the through holes on the welding workbench 2, and further discharged into the interior of the hollow circular table 202;

[0038] The rectangular tube 203 is fixedly mounted on one end of the hollow truncated cone 202, and a first through-tube 206 is mounted on one side of the hollow truncated cone 202;

[0039] The filter plate 207 is fixed to one side of the inner wall of the rectangular tube 203 by screws, and a rotating rod 208 is provided at the center of one side of the filter plate 207 through a bearing. The filter plate 207 can be removed from the rectangular tube 203 by turning the screws.

[0040] The connecting plate 210 is fixedly provided at one end of the rotating rod 208, and a plurality of scrapers 211 are fixedly provided on the outer surface of the connecting plate 210. When the rotating rod 208 rotates, the connecting plate 210 is driven to rotate, and the plurality of scrapers 211 are further rotated. The plurality of scrapers 211 are closely attached to one side of the filter plate 207. When the plurality of scrapers 211 rotate, the impurities adhering to one side of the filter plate 207 are scraped off to prevent the impurities from blocking the leakage holes on the filter plate 207 and affecting the circulation of gas.

[0041] See also Figures 1 to 10 In one embodiment, a support box 204 is fixedly provided on one side of the rectangular tube 203, a collection box 205 is slidably provided on the inner wall of the support box 204, a plurality of scrapers 211 are provided on one side of the filter plate 207, a slot 212 is provided on one side of the rotating rod 208, a door 213 is hinged on one side of the welding body 1, a welding workbench 2 is provided on one side of the welding body 1 by screws, a fan blade 209 is installed on the outer surface of the rotating rod 208, the collection box 205 can slide on the inner wall of the support box 204, the door 213 is opened to pull the collection box 205, and the impurities inside the collection box 205 can be processed at this time.

[0042] See also Figures 1 to 10 In one embodiment, the second through-tube 3 is installed on one side of the first through-tube 206 through a sealing flange. A transmission rod 301 is provided at the center of one side of the second through-tube 3 through a bearing. An insert plate 308 is fixedly provided at one end of the transmission rod 301. The insert plate 308 is movably embedded in the inner wall of the slot 212. The transmission rod 301 can rotate through the bearing. The sealing flanges of the first through-tube 206 and the second through-tube 3 are removed, and the second through-tube 3 is further disassembled from the first through-tube 206.

[0043] See also Figures 1 to 10 In one embodiment, two L-shaped rods 302 are fixedly provided on one side of the second through-tube 3, and a driving motor 303 is installed at the opposite ends of the two L-shaped rods 302. The output shaft of the driving motor 303 is fixedly provided at one end of the transmission rod 301. When the external power switch of the driving motor 303 is turned on, the two L-shaped rods 302 support the driving motor 303, so that the driving motor 303 is installed on one side of the second through-tube 3, and then the output shaft of the driving motor 303 drives the transmission rod 301 to rotate.

[0044] See also Figures 1 to 10In one embodiment, a plurality of mixing plates 304 are fixedly provided on the outer surface of the transmission rod 301, a baffle 306 is fixedly sleeved on the outer surface of the transmission rod 301, and a partition 305 is provided on one side of the baffle 306. The plurality of mixing plates 304 rotate, and the plurality of mixing plates 304 stir the activated carbon inside the second through pipe 3, thereby making the activated carbon and the inhaled gas fully contact together, and further making the activated carbon fully adsorb the harmful substances in the gas.

[0045] See also Figures 1 to 10 In one embodiment, the partition 305 is movably sleeved on the outer surface of the transmission rod 301, and a rotating cylinder 307 is threadedly sleeved on the outer surface of the transmission rod 301. A plurality of air holes 309 are opened on one side of the welding body 1. The partition 305 can slide on the outer surface of the transmission rod 301. The position of the partition 305 is locked by rotating the rotating cylinder 307 clockwise, and the processed gas is discharged from the interior of the welding body 1 through the plurality of air holes 309.

[0046] See also Figures 1 to 10 In one embodiment, a moving mechanism 4 is installed on one side of the welding workbench 2, a mounting base 401 is fixedly provided on one side of the moving mechanism 4, a welding head 402 is installed on one side of the mounting base 401, and a support plate 403 is fixedly provided on one side of the mounting base 401. In the prior art, the position of the welding head 402 can be adjusted through the moving mechanism 4, so that the welding head 402 can move up and down or left and right, and thus different positions of the workpiece can be welded.

[0047] See also Figures 1 to 10 In one embodiment, a bolt 404 is movably embedded in the center of one side of the support plate 403, and a nut 405 is threadedly sleeved on the outer surface of the bolt 404. The bolt 404 can slide on the inner wall of the support plate 403. By turning the nut 405, the bolt 404 can be removed from the support plate 403, and the bristles on the brush plate 409 can be cleaned at this time.

[0048] See also Figures 1 to 10 In one embodiment, a first telescopic rod 406 is fixedly provided at one end of the nut 405 , and a second telescopic rod 407 is movably embedded in the inner wall of the first telescopic rod 406 , and the second telescopic rod 407 can slide on the inner wall of the first telescopic rod 406 .

[0049] See also Figures 1 to 10In one embodiment, a brush plate 409 is fixedly provided on one side of the second telescopic rod 407, and a spring 408 is movably provided on the outer surface of the second telescopic rod 407. The brush plate 409 sweeps the impurities on the welding workbench 2, so that the impurities fall into the interior of the support box 204 of the welding body 1 through the small holes of the welding workbench 2. The spring 408 has elastic force, and when the spring 408 is squeezed, a reverse force is generated, and the brush plate 409 is pushed by the elastic force of the spring 408, so that the bristle side of the brush plate 409 is tightly attached to one side of the welding workbench 2.

[0050] The working principle and usage process of the present invention are as follows: when using a laser welding machine, the parts to be welded are placed on the welding workbench 2, and the workpieces are welded through the welding head 402. During welding, by turning on the external power switch of the drive motor 303, the two L-shaped rods 302 support the drive motor 303, so that the drive motor 303 is installed on one side of the second through-tube 3, and then the output shaft of the drive motor 303 drives the transmission rod 301 to rotate, and further drives the rotating rod 208 to rotate through the plug plate 308, and further rotates the fan blades 209. When the fan blades 209 rotate, the air circulation is driven, and the gas and fine impurities generated by welding are sucked into the interior of the trapezoidal table 201 through the through holes on the welding workbench 2, and further discharged to the interior of the hollow circular table 202. The gas is sucked into the first through-tube through the leakage hole on the filter plate 207. The fine impurities inside 206 will be blocked by the filter plate 207, separating the gas and the impurities. When the rotating rod 208 rotates, the connecting plate 210 is driven to rotate, further causing the multiple scrapers 211 to rotate. The multiple scrapers 211 are closely attached to one side of the filter plate 207. When the multiple scrapers 211 rotate, the impurities adhering to the side of the filter plate 207 are scraped to prevent the impurities from blocking the leakage holes on the filter plate 207 and affecting the circulation of gas. After the power of the driving motor 303 is turned off, the fan blades 209 stop rotating, and the impurities will fall into the inside of the collection box 205 under the influence of gravity. The collection box 205 can slide on the inner wall of the support box 204. The collection box 205 can be pulled by opening the compartment door 213. At this time, the impurities inside the collection box 205 can be processed, so that when the welding machine is used, the impurities generated by welding are easy to collect, thereby improving the practicality of the welding machine.

[0051] During welding, the driving motor 303 is in the on state, and the output shaft of the driving motor 303 drives the transmission rod 301 to rotate. Under the guidance of the fan blades 209, the gas passes through the small holes on the partition 305 and is discharged into the interior of the second through-tube 3. The interior of the second through-tube 3 is filled with activated carbon. When the driving motor 301 rotates, it drives the multiple mixing plates 304 to rotate. The multiple mixing plates 304 stir the activated carbon inside the second through-tube 3, so that the activated carbon and the inhaled gas are fully in contact with each other, and further the activated carbon fully adsorbs the harmful substances in the gas and processes the gas. The treated gas is discharged through the small holes opened on one side of the second through-tube 3, and then discharged from the interior of the welding machine body 1 through the multiple air holes 309. When replacing the activated carbon, the first through-tube 20 is opened by opening the chamber door 213. 6 and the sealing flange of the second through-tube 3 are removed, and the second through-tube 3 is further disassembled from the first through-tube 206. At this time, the rotary drum 307 is rotated counterclockwise to rotate it out from the transmission rod 301. The partition 305 can slide on the outer surface of the transmission rod 301. At this time, the baffle 306 can be slid out from the rotary drum 307, and the activated carbon inside the second through-tube 3 is poured out. New activated carbon is poured inside it, and the partition 305 is put on the surface of the rotary drum 307 to press against one side of the baffle 306. The rotary drum 307 is rotated clockwise to lock the position of the partition 305, so that the inserting plate 308 is inserted into the inside of the notch 212. The second through-tube 3 and the first through-tube 206 are installed together to complete the replacement of the activated carbon. Therefore, during welding, the gas generated by welding can be treated before being discharged to protect the welding environment.

[0052] After welding is completed, since the support plate 403 and the motion mechanism 4 are connected together, the motion mechanism 4 controls the mounting base 401 to descend, further driving the brush plate 409 to descend, and the second telescopic rod 407 can slide on the inner wall of the first telescopic rod 406. When the brush plate 409 contacts one side of the welding workbench 2, the second telescopic rod 407 slides into the interior of the first telescopic rod 406. The spring 408 has elastic force, and when the spring 408 is squeezed, a reverse force is generated, which pushes the brush plate 409 through the elastic force of the spring 408, so that the brush plate 409 One side of the brush bristles is tightly attached to one side of the welding workbench 2, and the support plate 403 is controlled to move, so that the brush plate 409 sweeps the impurities on the welding workbench 2, so that the impurities fall into the interior of the support box 204 of the welding machine body 1 through the small holes of the welding workbench 2, and the bolt 404 can slide on the inner wall of the support plate 403 and be removed from the support plate 403 by rotating the nut 405. At this time, the bristles on the brush plate 409 can be cleaned, so that during welding, the cleaning of the welding workbench 2 is convenient and simple, without manual cleaning, and convenient for the use of the welding machine.

[0053] 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," "includes," 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.

[0054] 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 laser welding machine for construction, characterized in that: The machine comprises a welded body (1): A trapezoidal platform (201) is fixedly provided on the inner wall of the welding machine body (1), and a hollow circular platform (202) is fixedly provided on one side of the trapezoidal platform (201); A rectangular tube (203) is fixedly arranged at one end of the hollow truncated cone (202), and a first through tube (206) is installed on one side of the hollow truncated cone (202); A filter plate (207) is provided on one side of the inner wall of the rectangular tube (203) via screws, and a rotating rod (208) is provided at the center of one side of the filter plate (207) via a bearing; A connecting plate (210) is fixedly arranged at one end of the rotating rod (208), and a plurality of scrapers (211) are fixedly arranged on the outer surface of the connecting plate (210); A support box (204) is fixedly provided on one side of the rectangular tube (203), a collection box (205) is slidably provided on the inner wall of the support box (204), a plurality of scrapers (211) are closely attached to a side of the filter plate (207) close to the rectangular tube (203), a notch (212) is provided on one side of the rotating rod (208), a door (213) is hingedly provided on one side of the welding machine body (1), a welding workbench (2) is provided on one side of the welding machine body (1) via screws, and a fan blade (209) is installed on the outer surface of the rotating rod (208); A second through-tube (3) is mounted on one side of the first through-tube (206) via a sealing flange, a transmission rod (301) is provided at the center of one side of the second through-tube (3) via a bearing, an insert plate (308) is fixedly provided at one end of the transmission rod (301), and the insert plate (308) is movably embedded in the inner wall of the notch (212); Two L-shaped rods (302) are fixedly provided on one side of the second through pipe (3), a driving motor (303) is installed at opposite ends of the two L-shaped rods (302), and an output shaft of the driving motor (303) is fixedly provided on one end of the transmission rod (301); A plurality of mixing plates (304) are fixedly provided on the outer surface of the transmission rod (301), a baffle (306) is fixedly sleeved on the outer surface of the transmission rod (301), and a partition (305) is provided on one side of the baffle (306).

2. A laser welding machine for construction according to claim 1, characterized in that: The partition (305) is movably sleeved on the outer surface of the transmission rod (301), a rotating cylinder (307) is threadedly sleeved on the outer surface of the transmission rod (301), and a plurality of air holes (309) are opened on one side of the welding machine body (1).

3. A laser welding machine for construction according to claim 1, characterized in that: A motion mechanism (4) is installed on one side of the welding workbench (2), a mounting base (401) is fixedly provided on one side of the motion mechanism (4), a welding head (402) is installed on one side of the mounting base (401), and a support plate (403) is fixedly provided on one side of the mounting base (401).

4. A laser welding machine for construction according to claim 3, characterized in that: A bolt (404) is movably embedded in the center of one side of the support plate (403), and a nut (405) is threadedly sleeved on the outer surface of the bolt (404).

5. The laser welding machine for construction according to claim 4, characterized in that: A first telescopic rod (406) is fixedly provided at one end of the nut (405), and a second telescopic rod (407) is movably embedded in the inner wall of the first telescopic rod (406).

6. A laser welding machine for construction according to claim 5, characterized in that: A brush plate (409) is fixedly provided on one side of the second telescopic rod (407), and a spring (408) is movably sleeved on the outer surface of the second telescopic rod (407).

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