A welding device for a steel tower base

Abstract

The application belongs to the technical field of angle steel tower welding, and particularly relates to an angle steel tower base welding device, which comprises a workbench, a rotating table installed on the workbench, a cutting mechanical arm and a welding mechanical arm respectively installed on the rotating table, a base table and a lifting table respectively slidably installed on the workbench, and a cutting table installed on the workbench and located at the intersection of the base table and the lifting table. Angle steel bodies are placed on the base table and the lifting table, and a fixing assembly is installed on each of the base table and the lifting table. The angle steel bodies are fixed on the base table and the lifting table respectively through the fixing assembly. In the application, the two angle steel bodies are attached to the end surface of the cutting table along different horizontal lines, and then the end surfaces of the two angle steel bodies are cut from top to bottom along the cutting groove on the diagonal line of the cutting table through the grinding piece of the cutting mechanical arm. Therefore, the application omits the step of calculating the cutting area, and directly cuts the end surfaces of the two angle steel bodies along the cutting table at one time through the cutting mechanical arm, thereby accelerating the cutting efficiency.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of angle steel tower welding, and particularly relates to an angle steel tower base welding device. BACKGROUND

[0002] The angle steel tower is a plate type tower with a downcomer, the bubble zone of which is composed of mutually juxtaposed angle steels, the arrangement direction of the angle steels is parallel to the liquid flow direction, the sharp corner of the angle steel is at the lower part, there is a certain grid gap between the adjacent two angle steels, the downcomer is the same as the general tower plate, the angle steel tower plate has small pressure drop, large gas phase flux, good tower plate efficiency, simple structure, convenient processing and manufacturing, and good rigidity.

[0003] In the production and processing of the angle steel tower base, two angle steels need to be intersected and spliced and welded, the existing processing mode is relatively complex, the worker needs to measure and cut the end part of the angle steel according to the drawing size, so that the two angle steels can be spliced together, and then the spliced part is welded.

[0004] The existing welding technology has the following technical problems: first, the worker needs to measure and calculate the cutting area of the end surface of the two angle steels, and then cut the end surface of the two angle steels one by one through the cutting machine, which has low cutting efficiency and affects the production efficiency of the angle steel tower base.

[0005] Secondly, the existing angle steel generally has a rust-proof galvanized layer, the high temperature generated by cutting and welding induces the evaporation of the galvanized layer to generate zinc oxide smoke, the worker inhales the zinc oxide smoke, which is harmful to the health of the worker. SUMMARY

[0006] The purpose of the present application is to solve the technical problems in the prior art by providing an angle steel tower base welding device.

[0007] The purpose of the present application can be achieved by the following technical scheme: an angle steel tower base welding device, comprising a workbench, a rotating table is installed on the workbench, a cutting mechanical arm and a welding mechanical arm are respectively installed on the rotating table, a base table and a lifting table are respectively slidably installed on the workbench, a cutting table is installed on the workbench, the cutting table is located at the intersection of the base table and the lifting table, the angle steel bodies are placed on the base table and the lifting table, a fixing assembly is installed on the base table and the lifting table, and the angle steel bodies are respectively fixed on the base table and the lifting table through the fixing assembly; a fixed scraping assembly is fixedly installed on one side end surface of the cutting table, a sliding scraping assembly is slidably installed on the other side end surface of the cutting table, the angle steel bodies on the base table and the lifting table pass through the fixed scraping assembly and the sliding scraping assembly in sequence and abut against the cutting table, and the angle steel body on the lifting table is located at the top of the cutting table, and the angle steel body on the base table is located at the bottom of the cutting table.

[0008] As a further optimization or improvement of the present scheme, the fixing assembly comprises a support fixedly installed on the base table and the lifting table, a pressing plate is installed on the support, the pressing plate is controlled to lift by an adjusting knob, and the angle steel body is fixed on the base table and the lifting table by the pressing plate.

[0009] As a further optimization or improvement of the present scheme, the workbench is transversely slidably installed with the lifting table, and longitudinally slidably installed with the base table, and the base table and the lifting table are driven by a motor screw rod structure.

[0010] As a further optimization or improvement of the present scheme, the sliding scraping assembly comprises a guide frame and an L-shaped cutter plate installed on the guide frame, a base groove is formed in the L-shaped cutter plate, a resisting table is installed in the base groove, a guide bent arm is slidably installed in the resisting table, one end of the guide bent arm is connected with a polishing roller, and the other end is installed with a resisting plate, a receiving groove is formed in the base groove, a cutter table is connected in the receiving groove by a spring, a base plate is rotatably installed on the cutter table, a scraper is installed on the base plate, and the base plate abuts against the resisting plate; an electromagnetic suction disc is installed on the inner side wall of the receiving groove, a magnetic suction block is installed on the cutter table, and the electromagnetic suction disc is electrified to adsorb the magnetic suction block; and the zinc plating layer on the angle steel body is scraped off by the scraper.

[0011] As a further optimization or improvement of the present scheme, a guide strip is installed on the L-shaped cutter plate, and the guide strip is slidably located in a longitudinal sliding groove formed in the cutting table.

[0012] As a further optimization or improvement of the present scheme, an inclined bottom table is installed at the bottom of the workbench.

[0013] As a further optimization or improvement of the present scheme, a cutting groove is formed in the cutting table, and a saw blade on the cutting mechanical arm penetrates through the cutting groove to cut the end face of the angle steel body.

[0014] The present application has the following advantages:

[0015] (1) In the present application, two angle steel bodies are attached to the end face of the cutting table along different horizontal lines, and then the grinding piece of the cutting mechanical arm cuts the end face of the two angle steel bodies from top to bottom along the cutting groove on the cutting table, so that the present application eliminates the step of calculating the cutting area, and directly cuts the end face of the two angle steel bodies by the cutting mechanical arm once along the cutting table, thereby accelerating the cutting efficiency.

[0016] (2) In the present application, the lifting table and the base table are driven to move by the motor screw rod structure, and the lifting table and the base table respectively drive the angle steel bodies thereon to move towards the cutting table through the sliding scraping assembly and the fixed scraping assembly, at the same time, the electromagnetic suction disc is electrified to adsorb the magnetic suction block, so that the cutter table moves to the outside of the receiving groove, at this time, the scraper is attached to the angle steel body at a certain angle, and the zinc plating layer on the angle steel body is scraped off, thereby avoiding the evaporation of the zinc plating layer induced by the subsequent cutting and welding high temperature to generate zinc oxide smoke, which is harmful to the health of workers.

[0017] (3) the lifting platform of the present application drives the angle steel body on it to move down, at the same time, the motor screw structure drives the lifting platform and the angle steel body to move to the opposite direction of the cutting platform, when the height of the angle steel body on the lifting platform is consistent with that on the base platform, the motor screw structure drives the lifting platform and the angle steel body on it to move to the direction of the cutting platform again, so that the two angle steel bodies are spliced, avoiding that the two angle steel bodies are spliced when the lifting platform directly drives the angle steel body on it to move down.

[0018] (4) in the process of moving to the outside of the storage groove, the scraper is attached to the outer wall of the angle steel body, at this time, the angle steel body moves to drive the scraper to rotate to the direction of the base platform, the base plate drives the guide bent arm to move through the abutting plate, the guide bent arm drives the polishing roller to attach to the outer wall of the angle steel body, the polishing roller polishes the outer wall of the angle steel body to grind the tiny gap generated by stripping the zinc layer of the angle steel body, avoiding the phenomenon of local incomplete penetration of the angle steel body during subsequent welding of the angle steel body, and improving the welding strength of the angle steel body. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present application will be further described below in conjunction with the drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0021] Figure 2 It is a schematic diagram of the bottom structure of the workbench of the present application.

[0022] Figure 3 It is a front view of the overall structure of the present application.

[0023] Figure 4 It is a schematic diagram of the base platform and the lifting platform structure.

[0024] Figure 5 It is an enlarged view of the A part of the present application. Figure 4

[0025] Figure 6 It is a structure matching diagram of the cutting platform and the angle steel body.

[0026] Figure 7 It is an exploded view of the cutting platform and the angle steel body connection structure.

[0027] Figure 8 It is a schematic diagram of the L-shaped tool plate and the guide frame connection structure.

[0028] Figure 9 It is a schematic diagram of the internal structure of the base groove.

[0029] Figure 10 It is a schematic diagram of the base plate and the polishing roller connection structure.

[0030] ​The diagram shows the following components: 1. Workbench; 2. Turntable; 3. Cutting robotic arm; 4. Welding robotic arm; 5. Base platform; 6. Lifting platform; 7. Angle steel body; 8. Fixing component; 801. Bracket; 802. Pressure plate; 803. Adjustment knob; 9. Sliding scraper assembly; 901. L-shaped cutter plate; 902. Guide bar; 903. Base groove; 904. Support platform; 905. Storage groove; 906. Cutter table; 907. Base plate; 908. Scraper; 909. Guide arm; 910. Grinding roller; 911. Support plate; 912. Electromagnetic chuck; 913. Magnetic block; 914. Guide frame; 10. Cutting table; 11. Cutting groove; 12. Fixing scraper assembly; 13. Inclined base platform; 14. Longitudinal slide. Detailed Implementation

[0031] 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.

[0032] See Figures 1-10 An angle steel tower base welding device includes a workbench 1, a turntable 2 mounted on the workbench 1, a cutting robotic arm 3 and a welding robotic arm 4 mounted on the turntable 2, a base 5 and a lifting platform 6 slidably mounted on the workbench 1, and a cutting table 10 mounted on the workbench 1 at the intersection of the base 5 and the lifting platform 6. Angle steel bodies 7 are placed on the base 5 and the lifting platform 6, and fixing components 8 are installed on both the base 5 and the lifting platform 6 to fix the angle steel bodies 7 to the base 5 and the lifting platform 6 respectively. A fixing scraping component 12 is fixedly mounted on one end face of the cutting table 10, and a sliding scraping component 9 is slidably mounted on the other end face. The angle steel bodies 7 on the base 5 and the lifting platform 6 pass through the fixing scraping component 12 and the sliding scraping component 9 in sequence to abut against the cutting table 10, with the angle steel bodies 7 on the lifting platform 6 located at the top of the cutting table 10 and the angle steel bodies 7 on the base 5 located at the bottom of the cutting table 10.

[0033] Specifically, the workbench 1 is horizontally slidably mounted with a lifting platform 6 and vertically slidably mounted with a base 5, and the base 5 and the lifting platform 6 are driven by a motor screw structure.

[0034] Specifically, a cutting groove 11 is provided on the cutting table 10, and the saw blade on the cutting robot arm 3 passes through the cutting groove 11 to cut the end face of the angle steel body 7.

[0035] It should be noted that the internal structure of the fixed scraper assembly 12 is the same as that of the sliding scraper assembly 9. The base 5 and the lifting platform 6 are driven by a motor screw structure. Since the motor screw structure is a transmission structure of existing technology, its working principle will not be described in detail here, and this will not affect the integrity of the present invention.

[0036] In use, two angle steel bodies 7 are placed on the top of the base 5 and the lifting platform 6 respectively. Then, the angle steel bodies 7 are fixed to the top of the base 5 and the lifting platform 6 respectively by the fixing component 8. The lifting platform 6 and the base 5 are moved by the motor screw structure. The lifting platform 6 and the base 5 respectively drive the angle steel bodies 7 on them to move towards the cutting table 10 through the sliding scraping component 9 and the fixed scraping component 12. At the same time, the electromagnetic chuck 912 is energized to attract the magnetic block 913, so that the tool table 906 moves to the outside of the storage groove 905. At this time, the scraper 908 is attached to the angle steel body 7 at a certain angle to scrape off the galvanized layer on the angle steel body 7, so as to avoid the evaporation of the galvanized layer and the generation of zinc oxide fumes caused by the high temperature of subsequent cutting and welding, which would harm the health of workers.

[0037] As the base 5 and lifting platform 6 move, they push the angle steel bodies 7 towards the cutting table 10, causing the two angle steel bodies 7 to fit against the end faces of the cutting table 10. The grinding disc on the cutting robot arm 3 cuts the end faces of the two angle steel bodies 7 along the cutting groove 11 on the cutting table 10. The remaining material after cutting falls down along the worktable 1 under the action of the inclined base 13, preventing the remaining material from falling into the cutting table 10 and affecting the joining of the two angle steel bodies 7.

[0038] In this invention, two angle steel bodies 7 are attached to the end face of the cutting table 10 with different horizontal lines. Then, the grinding disc of the cutting robot arm 3 cuts the end faces of the two angle steel bodies 7 from top to bottom along the cutting groove 11 on the diagonal of the cutting table 10. Therefore, this invention eliminates the step of calculating the cutting area and directly cuts the end faces of the two angle steel bodies 7 at one time along the cutting table 10 by the cutting robot arm 3, thus speeding up the cutting efficiency.

[0039] To ensure the smooth joining of the two angle steel bodies 7, after cutting is completed, the lifting platform 6 moves the angle steel bodies 7 on it downwards. At the same time, the motor screw structure drives the lifting platform 6 and the angle steel bodies 7 to move in the opposite direction to the cutting table 10. When the height of the angle steel bodies 7 on the lifting platform 6 is consistent with that on the base platform 5, the motor screw structure drives the lifting platform 6 and the angle steel bodies 7 on it to move towards the cutting table 10 again, so that the two angle steel bodies 7 can be joined together. This avoids the situation where the gap between the two angle steel bodies 7 is small, and the lifting platform 6 directly moves the angle steel bodies 7 on it downwards, which would hinder the joining of the two angle steel bodies 7.

[0040] After the two angle steel bodies 7 are assembled, the turntable 2 rotates, driving the welding robotic arm 4 on the turntable 2 to turn towards the cutting table 10. The welding robotic arm 4 first spot welds the key connection points of the two angle steel bodies 7, and then welds the splicing surfaces of the two angle steel bodies 7 again. After removing the angle steel bodies 7 from the sliding scraper assembly 9 and the fixed scraper assembly 12, the back of the angle steel bodies 7 is welded, thus realizing the splicing and welding of the two angle steel bodies 7.

[0041] It should be noted that the present invention uses a scraper 908 to remove the anti-rust galvanized layer on the angle steel body 7, instead of using a grinding belt, because the high temperature generated by the grinding belt easily causes the galvanized layer to evaporate and produce zinc oxide fumes. The scraper 908 can also be replaced by a dense wire brush.

[0042] When scraper 908 removes the galvanized layer from the angle steel body 7, the galvanized layer peels off from the angle steel body 7. During this process, if the galvanized layer is firmly attached, it can easily cause metal shavings on the surface of the angle steel body 7 to peel off from the angle steel body 7, leaving tiny gaps on the surface of the angle steel body 7. This can easily lead to incomplete welding of the angle steel body 7 in some areas, affecting the welding strength of the angle steel body 7.

[0043] During the process of the tool holder 906 moving outward from the receiving groove 905, the scraper 908 adheres to the outer wall of the angle steel body 7. At this time, the movement of the angle steel body 7 drives the scraper 908 to rotate towards the abutment 904. At this time, the base plate 907 drives the guide arm 909 to move through the abutment plate 911. The guide arm 909 drives the grinding roller 910 to adhere to the outer wall of the angle steel body 7. At the same time, the base plate 907 on the scraper 908 adheres to the abutment 904. The grinding roller 910 grinds the outer wall of the angle steel body 7, smoothing out the tiny gaps caused by the peeling of the galvanized layer of the angle steel body 7, avoiding the phenomenon of partial incomplete welding of the angle steel body 7 during subsequent welding, and improving the welding strength of the angle steel body 7.

[0044] See Figures 4-5 The fixing component 8 includes a bracket 801 fixedly installed on the base 5 and the lifting platform 6. A pressure plate 802 is installed on the bracket 801. The pressure plate 802 is raised and lowered by an adjustment knob 803. The angle steel body 7 is fixed on the base 5 and the lifting platform 6 respectively by the pressure plate 802.

[0045] It should be noted that the angle steel body 7 is first placed on the base 5 and the top of the lifting platform 6 respectively. Then, the angle steel body 7 is fixed by turning the adjustment knob 803 to drive the pressure plate 802 to press the angle steel body 7.

[0046] See Figures 6-10The sliding scraping assembly 9 includes a guide frame 914 and an L-shaped cutter plate 901 mounted on the guide frame 914. A base groove 903 is formed inside the L-shaped cutter plate 901. A support platform 904 is installed inside the base groove 903. A guide arm 909 is slidably mounted inside the support platform 904. One end of the guide arm 909 is connected to a grinding roller 910, and the other end is mounted on a support plate 911. A receiving groove 905 is formed inside the base groove 903. A cutter table 906 is connected to the receiving groove 905 via a spring. A base plate 907 is rotatably mounted on the cutter table 906. A scraper 908 is mounted on the base plate 907, and the base plate 907 abuts against the support plate 911. An electromagnetic chuck 912 is installed on the inner wall of the receiving groove 905, and a magnetic block 913 is installed on the cutter table 906. The electromagnetic chuck 912 attracts the magnetic block 913 when energized. The scraper 908 scrapes off the galvanized layer on the angle steel body 7.

[0047] Specifically, a guide bar 902 is installed on the L-shaped cutter plate 901, and a longitudinal groove 14 is formed on the cutting table 10, with the guide bar 902 sliding inside the longitudinal groove 14.

[0048] It should be noted that a scraper 908 can also be provided on the guide frame 914 to scrape off the galvanized layer on the front and back of the angle steel body 7.

[0049] See Figures 2-3 The worktable 1 is equipped with a sloping base 13 at its bottom. It should be noted that, under the action of the sloping base 13, the worktable 1 is in an inclined state, and at this time, the waste material cut by the cutting robot arm 3 falls through the worktable 1.

[0050] The implementation principle of this invention is as follows:

[0051] In use, two angle steel bodies 7 are placed on the top of the base 5 and the lifting platform 6 respectively. Then, the angle steel bodies 7 are fixed to the top of the base 5 and the lifting platform 6 respectively by the fixing component 8. The lifting platform 6 and the base 5 are moved by the motor screw structure. The lifting platform 6 and the base 5 respectively drive the angle steel bodies 7 on them to move towards the cutting table 10 through the sliding scraping component 9 and the fixed scraping component 12. At the same time, the electromagnetic chuck 912 is energized to attract the magnetic block 913, so that the tool table 906 moves to the outside of the storage groove 905. At this time, the scraper 908 is attached to the angle steel body 7 at a certain angle to scrape off the galvanized layer on the angle steel body 7, so as to avoid the evaporation of the galvanized layer and the generation of zinc oxide fumes caused by the high temperature of subsequent cutting and welding, which would harm the health of workers.

[0052] As the base 5 and lifting platform 6 move, they push the angle steel bodies 7 towards the cutting table 10, causing the two angle steel bodies 7 to fit against the end faces of the cutting table 10. The grinding disc on the cutting robot arm 3 cuts the end faces of the two angle steel bodies 7 along the cutting groove 11 on the cutting table 10. The remaining material after cutting falls down along the worktable 1 under the action of the inclined base 13, preventing the remaining material from falling into the cutting table 10 and affecting the joining of the two angle steel bodies 7.

[0053] In this invention, two angle steel bodies 7 are attached to the end face of the cutting table 10 with different horizontal lines. Then, the grinding disc of the cutting robot arm 3 cuts the end faces of the two angle steel bodies 7 from top to bottom along the cutting groove 11 on the diagonal of the cutting table 10. Therefore, this invention eliminates the step of calculating the cutting area and directly cuts the end faces of the two angle steel bodies 7 at one time along the cutting table 10 by the cutting robot arm 3, thus speeding up the cutting efficiency.

[0054] To ensure the smooth joining of the two angle steel bodies 7, after cutting is completed, the lifting platform 6 moves the angle steel bodies 7 on it downwards. At the same time, the motor screw structure drives the lifting platform 6 and the angle steel bodies 7 to move in the opposite direction to the cutting table 10. When the height of the angle steel bodies 7 on the lifting platform 6 is consistent with that on the base platform 5, the motor screw structure drives the lifting platform 6 and the angle steel bodies 7 on it to move towards the cutting table 10 again, so that the two angle steel bodies 7 can be joined together. This avoids the situation where the gap between the two angle steel bodies 7 is small, and the lifting platform 6 directly moves the angle steel bodies 7 on it downwards, which would hinder the joining of the two angle steel bodies 7.

[0055] After the two angle steel bodies 7 are assembled, the turntable 2 rotates, driving the welding robotic arm 4 on the turntable 2 to turn towards the cutting table 10. The welding robotic arm 4 first spot welds the key connection points of the two angle steel bodies 7, and then welds the splicing surfaces of the two angle steel bodies 7 again. After removing the angle steel bodies 7 from the sliding scraper assembly 9 and the fixed scraper assembly 12, the back of the angle steel bodies 7 is welded, thus realizing the splicing and welding of the two angle steel bodies 7.

[0056] It should be noted that the present invention uses a scraper 908 to remove the anti-rust galvanized layer on the angle steel body 7 instead of using a grinding belt because the high temperature generated by the grinding belt can easily cause the galvanized layer to evaporate and produce zinc oxide fumes.

[0057] Specifically, when the scraper 908 removes the galvanized layer from the angle steel body 7, the galvanized layer peels off from the angle steel body 7. During this process, if the galvanized layer is firmly attached, it can easily cause the metal shavings on the surface of the angle steel body 7 to peel off from the angle steel body 7, leaving tiny gaps on the surface of the angle steel body 7. This can easily lead to incomplete penetration of the angle steel body 7 in some areas, affecting the welding strength of the angle steel body 7.

[0058] During the process of the tool holder 906 moving outward from the receiving groove 905, the scraper 908 adheres to the outer wall of the angle steel body 7. At this time, the movement of the angle steel body 7 drives the scraper 908 to rotate towards the abutment 904. The base plate 907 drives the guide arm 909 to move through the abutment plate 911. The guide arm 909 drives the grinding roller 910 to adhere to the outer wall of the angle steel body 7. At the same time, the base plate 907 on the scraper 908 adheres to the abutment 904. The grinding roller 910 grinds the outer wall of the angle steel body 7, smoothing out the tiny gaps caused by the peeling of the galvanized layer of the angle steel body 7, avoiding the phenomenon of partial incomplete welding of the angle steel body 7 during subsequent welding, and improving the welding strength of the angle steel body 7.

[0059] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A welding device for angle steel tower base, characterized in that: The system includes a workbench (1), a turntable (2) installed on the workbench (1), a cutting robot arm (3) and a welding robot arm (4) installed on the turntable (2), a base (5) and a lifting platform (6) slidably installed on the workbench (1), a cutting table (10) installed on the workbench (1), the cutting table (10) being located at the intersection of the base (5) and the lifting platform (6), an angle steel body (7) being placed on the base (5) and the lifting platform (6), and a fixing component (8) being installed on both the base (5) and the lifting platform (6), the angle steel body (7) being fixed on the base (5) and the lifting platform (6) respectively by the fixing component (8); A fixed scraper assembly (12) is fixedly installed on one end face of the cutting table (10), and a sliding scraper assembly (9) is slidably installed on the other end face. Angle steel bodies (7) on the base (5) and the lifting platform (6) pass through the fixed scraper assembly (12) and the sliding scraper assembly (9) in sequence to abut against the cutting table (10). The angle steel bodies (7) on the lifting platform (6) are located at the top of the cutting table (10), and the angle steel bodies (7) on the base (5) are located at the bottom of the cutting table (10). The sliding scraper assembly (9) includes a guide frame (914) and an L-shaped cutter plate (901) mounted on the guide frame (914). A base groove (903) is formed inside the L-shaped cutter plate (901). A support platform (904) is installed inside the base groove (903). A guide arm (909) is slidably mounted inside the support platform (904). One end of the guide arm (909) is connected to a grinding roller (910), and the other end is fitted with a support plate (911). A storage groove (905) is formed inside the base groove (903) for storing… The slot (905) is connected to the tool holder (906) by a spring. The tool holder (906) is rotatably mounted on the tool holder (907). The scraper (908) is mounted on the tool holder (907). The tool holder (907) abuts against the abutment plate (911). An electromagnetic chuck (912) is installed on the inner side wall of the storage slot (905). A magnetic block (913) is installed on the tool holder (906). The electromagnetic chuck (912) is energized to attract the magnetic block (913). The galvanized layer on the angle steel body (7) is scraped off by the scraper (908). Guide bars (902) are installed on the L-shaped cutter plate (901), and longitudinal grooves (14) are opened on the cutting table (10). The guide bars (902) slide inside the longitudinal grooves (14).

2. The welding device for an angle steel tower base according to claim 1, characterized in that: The fixing component (8) includes a bracket (801) fixedly installed on the base (5) and the lifting platform (6). A pressure plate (802) is installed on the bracket (801). The pressure plate (802) is raised and lowered by an adjustment knob (803). The angle steel body (7) is fixed on the base (5) and the lifting platform (6) respectively by the pressure plate (802).

3. The welding device for angle steel tower base according to claim 1, characterized in that: The workbench (1) is horizontally slidably mounted with a lifting platform (6) and vertically slidably mounted with a base (5), and the base (5) and the lifting platform (6) are driven by a motor screw structure.

4. The welding device for an angle steel tower base according to claim 1, characterized in that: The workbench (1) has a sloping base (13) installed at its bottom.

5. The welding device for an angle steel tower base according to claim 1, characterized in that: A cutting groove (11) is provided on the cutting table (10), and the saw blade on the cutting robot arm (3) passes through the cutting groove (11) to cut the end face of the angle steel body (7).

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