Electric arc welding machine and method for metal plate welding
By introducing cleaning and dust extraction components into the arc welding machine, the problem of defects generated by impurity reactions during the welding process is solved, improving the density, tensile strength, and corrosion resistance of the weld, and ensuring welding quality and safety.
Patent Information
- Application Number
- CN202511499783.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the welding process, existing arc welding machines generate defects such as porosity and slag inclusions by reacting with impurities and molten metal. These defects affect the continuity and density of the weld, reduce the tensile strength and corrosion resistance of the weld, and also affect the stability of the arc, leading to irregular welding and safety hazards.
An arc welding machine comprising a cleaning component, a separation component, and a dust collection component was designed. The cleaning brush and dust collection device remove impurities from the surface of the metal sheet before welding, ensuring that the weld metal is tightly bonded to the base material and improving the weld density and tensile and corrosion resistance.
It effectively removes impurities before welding, prevents impurities from reacting and generating defects at high temperatures, ensures a tight bond in the weld, improves the mechanical properties and arc stability of the weld, and prevents problems such as cracking and undercut.
Smart Images
Figure CN120962066A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the technical field of arc welding machines, and specifically discloses an arc welding machine and method for welding metal plates. Background Technology
[0002] Arc welding machines rely on the high temperature of an electric arc to melt metal and achieve a connection. While suitable for most welding scenarios, they have significant limitations in certain specialized applications. The weld surface is prone to residues of oxide scale, rust, oil, and dust. Under the high temperature of the arc, these impurities react with the molten metal to generate defects such as porosity and slag inclusions, disrupting the continuity and density of the weld and reducing its tensile strength, corrosion resistance, and other mechanical properties. In severe cases, this can lead to cracking or breakage during stress or use, posing safety hazards. Furthermore, the presence of impurities affects arc stability, causing irregular weld formation, undercut, and incomplete penetration. This not only increases the labor and time costs of subsequent repair processes but may also leave long-term quality issues due to incomplete repairs. Summary of the Invention
[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing an arc welding machine and method for welding metal sheets.
[0004] To achieve the above objectives, the present invention provides an arc welding machine for welding metal sheets, including an arc welding worktable. A welding gantry is mounted on the upper side of the arc welding worktable. A first motor is fixedly mounted on the movable seat of the welding gantry. A switching plate is fixedly mounted on the lower side of the rotating shaft of the first motor. A cleaning component is mounted on the rear side of the switching plate. Separation components are mounted on both sides of the cleaning component. A dust suction component is mounted on the front side of the cleaning component. The cleaning component includes a second motor fixedly mounted on the upper rear side of the switching plate. A transmission rod is fixedly mounted on the lower side of the rotating shaft of the second motor. A first cleaning brush is fixedly mounted on the lower side of the transmission rod. A fixing frame is fixedly mounted on the lower rear side of the switching plate. Two sets of second cleaning brushes are rotatably mounted on the lower side of the fixing frame. A first bevel gear is fixedly mounted on one end of each of the two sets of second cleaning brushes relative to the transmission rod. A second bevel gear is fixedly mounted on the outer side of the transmission rod near the upper side of the first bevel gear. A first synchronous pulley is fixedly mounted on the upper end of the second bevel gear.
[0005] In the above technical solution, preferably, the separation component includes a fixed plate fixedly disposed on the outside of the fixed frame. Memory elastic sheets are fixedly disposed on the lower ends of both sides of the fixed plate. Fixed sleeves are fixedly disposed on opposite ends of the two sets of memory elastic sheets. Fixed rods are fixedly disposed on the inner sides of the two sets of fixed sleeves. Two sets of fixed shafts are fixedly disposed at the front and rear ends of the fixed plate. Two sets of sliding sleeves are fixedly disposed at the front and rear ends of the fixed plate. Movable rods are slidably disposed on the inner sides of the four sets of sliding sleeves. Rollers are rotatably disposed inside the lower sides of the four sets of movable rods. Grooves are opened on the upper sides of the four sets of movable rods. Round shafts are fixedly disposed inside the upper sides of the four sets of grooves. Connecting rods are rotatably disposed on the inner sides of the four sets of fixed shafts. Connecting ports are opened on both sides of the four sets of connecting rods. An opening is provided on the front side of the fixed plate near the two sets of sliding sleeves.
[0006] In the above technical solution, preferably, the dust collection component includes a square sleeve fixedly disposed at the front end of the fixed plate, a dust collection cylinder fixedly disposed at the front end of the square sleeve, a spacer fixedly disposed inside the dust collection cylinder, a fan head rotatably disposed inside the spacer, a second synchronous pulley fixedly disposed on the outer side of the fan head rotation shaft near the inside of the spacer, and a synchronous belt sleeved on the outer side of the second synchronous pulley and the first synchronous pulley.
[0007] In the above technical solution, preferably, an arc welding gun is fixedly installed on the front side of the switching plate, several sets of rollers are rotatably arranged on the inner side of the arc welding workbench platform, positioning sleeves are fixedly arranged on the upper ends of both sides of the arc welding workbench platform, clamping blocks are slidably arranged on the inner side of the positioning sleeves, three sets of limiting plates are fixedly arranged on the upper end of the clamping blocks, three sets of springs are fixedly arranged between the clamping blocks and the inner wall of the positioning sleeves, two sets of metal plates are arranged between the two sets of clamping blocks, and limiting blocks are fixedly arranged at the rear ends of the two sets of positioning sleeves.
[0008] In the above technical solution, preferably, the transmission rod passes through the inner side of the fixed frame, and the two sets of first bevel gears are respectively meshed with the second bevel gear.
[0009] In the above technical solution, preferably, a push rod is provided on the lower side of the memory elastic sheet, two sets of the four sets of movable rods on the same side are mirror-symmetrical with the inner roller, the connecting rod is inclined, and the upper and lower sides of the connecting rod are respectively fitted onto the fixed rod and the round shaft on the same side.
[0010] In the above technical solution, preferably, the front and rear sides of the square sleeve correspond to the spacer and the opening position respectively, the airflow generated by the rotation of the fan head blows upward, and the synchronous belt passes through the spacer, the square sleeve, and the inside of the opening.
[0011] In the above technical solution, preferably, the limiting piece is positioned on the upper side of the metal sheet, and the two sets of metal sheets are pushed and pressed together by the clamping blocks on both sides.
[0012] A method for using an arc welding machine is also provided, for operating an arc welding machine for welding metal sheets, including the following steps:
[0013] S1: The welding gantry frame drives two sets of memory elastic plates to move downwards, first contacting two metal plates, opening and deforming to both sides, pushing the connecting rod to rotate along the fixed axis, so that the movable rod is inserted between the two metal plates, and the two metal plates are separated.
[0014] S2: The first cleaning brush is rotated by the second motor, which drives the two sets of meshing first bevel gears to rotate the two sets of second cleaning brushes. The first cleaning brush and the two sets of second cleaning brushes respectively treat the impurities on the mating end face and surface before arc welding.
[0015] S3: The first synchronous wheel rotates to drive the fan head to rotate, and the cleaning component moves with the welding gantry to clean the area between the two metal plates and suck up impurities.
[0016] Compared with the prior art, the present invention has the following beneficial effects:
[0017] 1. Insert the two metal pieces between the two sets of clamping blocks, push the spring connected to one side of the clamping block, and with the elastic push of the spring on the clamping block and the limiting plate and limiting block limiting, position the two metal pieces together to facilitate subsequent welding and cleaning work.
[0018] 2. The switching plate is moved to different positions by the welding gantry frame, so that the first cleaning brush moves downward after aligning with the position where the two metal sheets are attached. At this time, the bottom of the two sets of memory elastic sheets first contacts the two metal sheets. As it moves downward, the two sets of memory elastic sheets open and deform to both sides. The two sets of push rods at the bottom push the two sets of metal sheets to both sides, so that the position where the two metal sheets are welded and attached is separated. When the memory elastic sheets open outward, the fixed rod rotates upward and pushes the connecting rod to rotate along the fixed shaft. The upper side of the connecting rod pushes the round shaft and the movable rod to move downward along the sliding sleeve. The movable rods on the front and rear sides are inserted between the two metal sheets respectively. The welding end of the roller attached to the metal sheet is restricted to one side of the metal sheet, so as to prevent the spring force from making the two metal sheets stick together during the process, which facilitates the separation of the components for cleaning.
[0019] 3. When the two metal plates are pushed apart, the first cleaning brush will insert between the two metal plates. Then, the second motor drives the transmission rod and the first cleaning brush to rotate. The rotating transmission rod drives the second bevel gear and the first synchronous wheel to rotate. The rotating second bevel gear drives the two sets of meshing first bevel gears and two sets of second cleaning brushes to rotate. The rotating first cleaning brush and the two sets of second cleaning brushes respectively perform impurity treatment on the mating end face and surface before arc welding. This prevents these impurities from reacting with the molten metal at the high temperature of the arc to generate pores and slag inclusions, ensuring that the weld metal is tightly bonded to the base metal, improving the weld density and mechanical properties such as tensile strength and corrosion resistance, and preventing cracking under subsequent stress.
[0020] 4. The rotating first synchronous pulley drives the sleeved synchronous belt to rotate, which in turn drives the connected second synchronous pulley to rotate the connected fan head. As the welding gantry moves to clean the space between the two metal plates, the vacuum cleaner will follow and suck up impurities. This avoids the effect of subsequent arc welding by the arc welding gun after the position is changed by the rotation of the switching plate controlled by the first motor. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the overall structure of an arc welding machine for welding metal sheets proposed in this invention;
[0022] Figure 2 This is a partial structural schematic diagram of an arc welding machine for welding metal sheets proposed in this invention;
[0023] Figure 3 This is a schematic diagram of the cleaning and separation components of an arc welding machine for welding metal sheets according to the present invention.
[0024] Figure 4 This is a partial cross-sectional schematic diagram of the cleaning component and dust collection component of an arc welding machine for welding metal sheets according to the present invention.
[0025] Figure 5 This is a schematic diagram of the cleaning component structure of an arc welding machine for welding metal sheets according to the present invention;
[0026] Figure 6 This is a schematic diagram of the separation component structure of an arc welding machine for welding metal sheets proposed in this invention;
[0027] Figure 7 This is a schematic diagram of the dust collection component structure of an arc welding machine for welding metal sheets according to the present invention;
[0028] Figure 8 This is a partially enlarged structural schematic diagram of an arc welding machine for welding metal sheets proposed in this invention.
[0029] In the diagram: 1. Arc welding workbench; 2. Welding gantry; 3. First motor; 4. Switching plate; 5. Cleaning assembly; 51. Second motor; 52. Transmission rod; 53. First cleaning brush; 54. Fixing frame; 55. Second cleaning brush; 56. First bevel gear; 57. Second bevel gear; 58. First synchronous pulley; 6. Separation assembly; 61. Fixing plate; 62. Memory elastic sheet; 63. Fixing sleeve; 64. Fixing rod; 65. Fixing shaft; 66. 67. Sliding sleeve; 68. Movable rod; 69. Roller; 60. Groove; 610. Round shaft; 611. Connecting rod; 612. Connecting port; 613. Opening; 7. Dust collection assembly; 71. Square sleeve; 72. Dust collection cylinder; 73. Spacer sleeve; 74. Fan head; 75. Second synchronous pulley; 76. Synchronous belt; 8. Arc welding gun; 9. Roller; 10. Positioning sleeve; 11. Clamping block; 12. Limiting plate; 13. Spring; 14. Metal plate; 15. Limiting block. Detailed Implementation
[0030] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0031] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the invention is not limited to the specific embodiments disclosed below.
[0032] like Figures 1 to 8 An arc welding machine for welding metal sheets is shown, including an arc welding workbench 1. A welding gantry 2 is installed on the upper side of the arc welding workbench 1. A first motor 3 is fixedly installed on the movable seat of the welding gantry 2. A switching plate 4 is fixedly installed on the lower side of the rotating shaft of the first motor 3. A cleaning component 5 is installed on the rear side of the switching plate 4. Separation components 6 are installed on both sides of the cleaning component 5. A dust suction component 7 is installed on the front side of the cleaning component 5. The cleaning component 5 includes a second motor 51 fixedly installed on the upper rear side of the switching plate 4. A transmission rod 52 is fixedly installed on the lower side of the rotating shaft of the second motor 51. A first cleaning brush 53 is fixedly installed on the lower side of the transmission rod 52. A fixing frame 54 is fixedly installed on the lower rear side of the switching plate 4. Two sets of second cleaning brushes 55 are rotatably installed on the lower side of the fixing frame 54. A first bevel gear 56 is fixedly installed on one end of each set of second cleaning brushes 55 relative to the transmission rod 52. A second bevel gear 57 is fixedly installed on the outer side of the transmission rod 52 near the upper side of the first bevel gear 56. A first synchronous pulley 58 is fixedly installed on the upper end of the second bevel gear 57.
[0033] The transmission rod 52 passes through the inside of the fixed frame 54, and the two sets of first bevel gears 56 are respectively meshed with the second bevel gears 57.
[0034] When the two metal plates 14 are pushed apart, the first cleaning brush 53 will be inserted between the two metal plates 14. Then, the second motor 51 drives the transmission rod 52 and the first cleaning brush 53 to rotate. The rotating transmission rod 52 drives the second bevel gear 57 and the first synchronous wheel 58 to rotate. The rotating second bevel gear 57 drives the two sets of meshing first bevel gears 56 and two sets of second cleaning brushes 55 to rotate. The rotating first cleaning brush 53 and the two sets of second cleaning brushes 55 respectively perform impurity treatment on the mating end face and surface before arc welding. This prevents these impurities from reacting with the molten metal at the high temperature of the arc to generate pores and slag inclusions, ensuring that the weld metal is tightly bonded to the base metal, improving the weld density and mechanical properties such as tensile strength and corrosion resistance, and preventing cracking under subsequent stress.
[0035] The separation component 6 includes a fixed plate 61 fixedly mounted on the outside of the fixed frame 54. Memory elastic sheets 62 are fixedly mounted on the lower ends of both sides of the fixed plate 61. Fixed sleeves 63 are fixedly mounted on opposite ends of the two sets of memory elastic sheets 62. Fixed rods 64 are fixedly mounted on the inner sides of the two sets of fixed sleeves 63. Two sets of fixed shafts 65 are fixedly mounted on the front and rear ends of the fixed plate 61. Two sets of sliding sleeves 66 are fixedly mounted on the front and rear ends of the fixed plate 61. Movable rods 67 are slidably mounted on the inner sides of the four sets of sliding sleeves 66. Rollers 68 are rotatably mounted inside the lower sides of the four sets of movable rods 67. Grooves 69 are opened on the upper sides of the four sets of movable rods 67. Round shafts 610 are fixedly mounted inside the upper sides of the four sets of grooves 69. Connecting rods 611 are rotatably mounted inside the four sets of fixed shafts 65. Connecting ports 612 are opened on both sides of the four sets of connecting rods 611. An opening 613 is provided on the front side of the fixed plate 61 near the two sets of sliding sleeves 66.
[0036] A push rod is provided on the lower side of the memory elastic sheet 62. Two of the four sets of movable rods 67 on the same side are mirror-symmetrically arranged with the inner roller 68. The connecting rod 611 is inclined. The upper and lower sides of the connecting rod 611 are respectively fitted onto the fixed rod 64 and the round shaft 610 on the same side.
[0037] Before welding, the switching plate 4 can be moved to different positions by the welding gantry 2, so that the first cleaning brush 53 is aligned with the position where the two metal sheets 14 are attached and moves downward. At this time, the bottom of the two sets of memory elastic sheets 62 first contacts the two metal sheets 14. As it moves downward, the two sets of memory elastic sheets 62 open and deform to both sides. The two sets of push rods at the bottom push the two sets of metal sheets 14 to both sides, so that the position where the two metal sheets 14 are attached is separated. When the memory elastic sheets 62 open outward, the fixed rod 64 rotates upward and pushes the connecting rod 611 to rotate along the fixed shaft 65. The upper side of the connecting rod 611 pushes the round shaft 610 and the movable rod 67 to move downward along the sliding sleeve 66. The movable rods 67 on the front and rear sides are respectively inserted between the two metal sheets 14. The welding end of the roller 68 attached to the metal sheet 14 is restricted to one side of the metal sheet 14 to avoid the pushing force of the spring 13 causing the two metal sheets 14 to stick together during the process, which facilitates the cleaning work of the separation component 6.
[0038] The vacuuming assembly 7 includes a square sleeve 71 fixedly mounted on the front end of the fixed plate 61. A vacuuming cylinder 72 is fixedly mounted on the front end of the square sleeve 71. A spacer 73 is fixedly mounted on the inner side of the vacuuming cylinder 72. A fan head 74 is rotatably mounted on the inner side of the spacer 73. A second synchronous pulley 75 is fixedly mounted on the outer side of the rotating shaft of the fan head 74 near the inner position of the spacer 73. A synchronous belt 76 is fitted on the outer side of the second synchronous pulley 75 and the first synchronous pulley 58.
[0039] The front and rear sides of the square sleeve 71 correspond to the positions of the partition sleeve 73 and the opening 613, respectively. The airflow generated by the rotation of the fan head 74 blows upward, and the synchronous belt 76 passes through the partition sleeve 73, the square sleeve 71, and the opening 613.
[0040] The rotating first synchronous wheel 58 drives the sleeved synchronous belt 76 to rotate, which in turn drives the connected second synchronous wheel 75 to drive the connected fan head 74 to rotate. As the welding gantry 2 moves the cleaning component 5 to clean between the two metal sheets 14, the vacuum cleaner 72 will follow the movement to suck up impurities, thus avoiding the effect of subsequent arc welding treatment by the arc welding gun 8 after the first motor 3 controls the switching plate 4 to rotate and switch positions.
[0041] An arc welding gun 8 is fixedly installed on the front side of the switching plate 4. Several sets of rollers 9 are rotatably arranged inside the arc welding workbench 1 platform. Positioning sleeves 10 are fixedly installed on the upper ends of both sides of the arc welding workbench 1 platform. Clamping blocks 11 are slidably arranged inside the positioning sleeves 10. Three sets of limiting plates 12 are fixedly installed on the upper end of the clamping blocks 11. Three sets of springs 13 are fixedly arranged between the clamping blocks 11 and the inner wall of the positioning sleeves 10. Two sets of metal plates 14 are arranged between the two sets of clamping blocks 11. Limiting blocks 15 are fixedly installed at the rear ends of the two sets of positioning sleeves 10.
[0042] The limiting piece 12 is positioned on the upper side of the metal piece 14, and the two sets of metal pieces 14 are pushed together by the clamping blocks 11 on both sides.
[0043] Insert two metal pieces 14 between two sets of clamping blocks 11, push and squeeze the spring 13 connected to one side of the clamping block 11. With the elastic push of the spring 13 on the clamping block 11 and the limiting piece 12 and the limiting block 15 limiting, the two metal pieces 14 are positioned and attached together, which facilitates subsequent welding and cleaning work.
[0044] A method for using an arc welding machine is also provided, for operating an arc welding machine for welding metal sheets, including the following steps:
[0045] S1: The welding gantry 2 drives the two sets of memory elastic plates 62 to move downward, first contacting the two metal plates 14, opening and deforming to both sides, pushing the connecting rod 611 to rotate along the fixed axis 65, so that the movable rod 67 is inserted between the two metal plates 14, and the two metal plates 14 are separated.
[0046] S2: The first cleaning brush 53 is rotated by the second motor 51, which drives the two sets of meshing first bevel gears 56 to rotate the two sets of second cleaning brushes 55. The first cleaning brush 53 and the two sets of second cleaning brushes 55 respectively treat the impurities on the mating end face and surface before arc welding.
[0047] S3: The first synchronous wheel 58 rotates to drive the fan head 74 to rotate. As the welding gantry 2 moves the cleaning component 5, it performs the work of sucking up impurities when cleaning between the two metal plates 14.
[0048] Working principle: First, two metal sheets 14 are inserted between two sets of clamping blocks 11. The spring 13 connected to one side of the clamping block 11 is pushed and pressed. The spring 13, along with the elastic push of the clamping block 11 and the limiting plates 12 and 15, positions the two metal sheets 14 together, facilitating subsequent welding and cleaning. Before welding, the switching plate 4 can be moved to different positions via the welding gantry 2, aligning the first cleaning brush 53 with the position where the two metal sheets 14 are attached and then moving downwards. At this time, the bottom of the two sets of memory elastic plates 62 first contacts the two metal sheets 14. Due to the continuous downward movement, the two sets of memory elastic plates 62... After the memory elastic sheet 62 expands and deforms to both sides, the two sets of push rods at the bottom push the two sets of metal sheets 14 to the sides, separating the welded joints of the two metal sheets 14. As the memory elastic sheet 62 expands outwards, the fixing rod 64 rotates upwards, pushing the connecting rod 611 to rotate along the fixing shaft 65. The upper side of the connecting rod 611 pushes the round shaft 610 and the movable rod 67 to move downwards along the sliding sleeve 66. The movable rods 67 on the front and rear sides are inserted between the two metal sheets 14 respectively. The roller 68, which is in contact with the welded end of the metal sheet 14, restricts the welded end to one side of the metal sheet 14, preventing the spring 13 from causing the two metal sheets 14 to stick together during processing, thus facilitating the separation of component 6. The cleaning process is performed. Additionally, when the two metal plates 14 are pushed apart, the first cleaning brush 53 inserts between them. The second motor 51 then drives the transmission rod 52 and the first cleaning brush 53 to rotate. The rotating transmission rod 52 drives the second bevel gear 57 and the first synchronous wheel 58 to rotate. The rotating second bevel gear 57 drives the two sets of meshing first bevel gears 56 and two sets of second cleaning brushes 55 to rotate. The rotating first cleaning brush 53 and the two sets of second cleaning brushes 55 respectively perform pre-arc welding impurity treatment on the mating end faces and surfaces, preventing these impurities from reacting with the molten metal at the high temperature of the arc. Porosity and slag inclusions are eliminated to ensure a tight bond between the weld metal and the base material, improving the weld's density and mechanical properties such as tensile strength and corrosion resistance, and preventing cracking under subsequent stress. At the same time, the rotating first synchronous wheel 58 drives the sleeved synchronous belt 76 to rotate, which in turn drives the connected second synchronous wheel 75 to rotate the connected fan head 74. As the welding gantry 2 moves the cleaning component 5 to clean between the two metal sheets 14, the dust collection cylinder 72 moves along to collect impurities, avoiding the effect of subsequent arc welding treatment by the arc welding gun 8 after the first motor 3 controls the switching plate 4 to rotate and switch positions.
[0049] The electrical equipment and the connection and use of each component in this invention are all common knowledge in the field. Their working principle is a well-known technology. The appropriate model is selected according to the actual use, so it will not be explained in detail.
[0050] In this invention, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of these terms in this invention according to the specific circumstances.
[0051] In the description of this specification, the use of terms such as "one embodiment," "some embodiments," or "specific embodiment" indicates that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0052] 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 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. The scope of protection claimed by the appended claims and their equivalents is defined.
Claims
1. An arc welding machine for welding metal plates, comprising an arc welding worktable (1), characterized in that: A welding gantry (2) is installed on the upper side of the arc welding workbench (1). A first motor (3) is fixedly installed on the movable seat of the welding gantry (2). A switching plate (4) is fixedly installed on the lower side of the rotating shaft of the first motor (3). A cleaning component (5) is installed on the rear side of the switching plate (4). Separation components (6) are installed on both sides of the cleaning component (5). A dust suction component (7) is installed on the front side of the cleaning component (5). The cleaning component (5) includes a second motor (51) fixedly installed on the upper rear side of the switching plate (4). The lower side of the rotating shaft of the second motor (51) is fixedly installed on the lower side of the switching plate (4). A transmission rod (52) is fixedly provided. A first cleaning brush (53) is fixedly provided on the lower side of the transmission rod (52). A fixing frame (54) is fixedly provided on the lower rear side of the switching plate (4). Two sets of second cleaning brushes (55) are rotatably provided on the lower side of the fixing frame (54). A first bevel gear (56) is fixedly provided on one end of each set of second cleaning brushes (55) relative to the transmission rod (52). A second bevel gear (57) is fixedly provided on the outer side of the transmission rod (52) near the upper side of the first bevel gear (56). A first synchronous pulley (58) is fixedly provided on the upper end of the second bevel gear (57).
2. The arc welding machine for welding metal plates according to claim 1, characterized in that: The separation assembly (6) includes a fixing plate (61) fixedly disposed on the outside of the fixing frame (54). Memory elastic sheets (62) are fixedly disposed on the lower ends of both sides of the fixing plate (61). Fixing sleeves (63) are fixedly disposed on opposite ends of the two sets of memory elastic sheets (62). Fixing rods (64) are fixedly disposed on the inner sides of the two sets of fixing sleeves (63). Two sets of fixing shafts (65) are fixedly disposed at the front and rear ends of the fixing plate (61). Two sets of sliding sleeves (66) are fixedly disposed at the front and rear ends of the fixing plate (61). The four sets of sliding sleeves (66)... The four sets of movable rods (67) are slidably provided on the inner side of each of the four sets of movable rods (67). Rollers (68) are rotatably provided on the lower side of each of the four sets of movable rods (67). Grooves (69) are opened on the upper side of each of the four sets of grooves (69). Round shafts (610) are fixedly provided on the upper side of each of the four sets of fixed shafts (65). Connecting rods (611) are rotatably provided on the inner side of each of the four sets of fixed shafts (65). Connecting ports (612) are opened on both sides of each of the four sets of connecting rods (611). An opening (613) is provided on the front side of the fixed plate (61) near the two sets of sliding sleeves (66).
3. The arc welding machine for welding metal plates according to claim 1, characterized in that: The vacuuming assembly (7) includes a square sleeve (71) fixedly disposed at the front end of the fixed plate (61), a vacuum tube (72) fixedly disposed at the front end of the square sleeve (71), a partition sleeve (73) fixedly disposed inside the vacuum tube (72), a fan head (74) rotatably disposed inside the partition sleeve (73), a second synchronous pulley (75) fixedly disposed on the outer side of the rotating shaft of the fan head (74) near the inside of the partition sleeve (73), and a synchronous belt (76) is sleeved on the outer side of the second synchronous pulley (75) and the first synchronous pulley (58).
4. The arc welding machine for welding metal plates according to claim 1, characterized in that: An arc welding gun (8) is fixedly installed on the front side of the switching plate (4). Several sets of rollers (9) are rotatably arranged on the inner side of the arc welding workbench (1). Positioning sleeves (10) are fixedly arranged on the upper ends of both sides of the arc welding workbench (1). Clamping blocks (11) are slidably arranged on the inner side of the positioning sleeves (10). Three sets of limiting plates (12) are fixedly arranged on the upper end of the clamping blocks (11). Three sets of springs (13) are fixedly arranged between the clamping blocks (11) and the inner wall of the positioning sleeves (10). Two sets of metal plates (14) are arranged between the two sets of clamping blocks (11). Limiting blocks (15) are fixedly arranged at the rear ends of the two sets of positioning sleeves (10).
5. The arc welding machine for welding metal plates according to claim 1, characterized in that: The transmission rod (52) passes through the inside of the fixed frame (54), and the two sets of first bevel gears (56) are respectively meshed with the second bevel gears (57).
6. The arc welding machine for welding metal plates according to claim 2, characterized in that: The memory elastic sheet (62) is provided with a push rod on the lower side. Two of the four sets of movable rods (67) on the same side are mirror-symmetrically arranged with the inner roller (68). The connecting rod (611) is inclined. The upper and lower sides of the connecting rod (611) are respectively fitted onto the fixed rod (64) and the round shaft (610) on the same side.
7. The arc welding machine for welding metal plates according to claim 3, characterized in that: The front and rear sides of the square sleeve (71) correspond to the positions of the partition sleeve (73) and the opening (613) respectively. The airflow generated by the rotation of the fan head (74) blows upward. The synchronous belt (76) passes through the interior of the partition sleeve (73), the square sleeve (71), and the opening (613).
8. An arc welding machine for welding metal plates according to claim 4, characterized in that: The limiting piece (12) is positioned on the upper side of the metal piece (14), and the two sets of metal pieces (14) are pushed together by the clamping blocks (11) on both sides.
9. A method of using an arc welding machine, for operating an arc welding machine for welding metal plates as described in any one of claims 1-8, characterized in that, Includes the following steps: S1: By welding the gantry frame (2), the two sets of memory elastic plates (62) move downward, first contacting the two metal plates (14), opening and deforming to both sides, pushing the connecting rod (611) to rotate along the fixed axis (65), so that the movable rod (67) is inserted between the two metal plates (14), and the two metal plates (14) are separated. S2: The first cleaning brush (53) is driven to rotate by the second motor (51), which drives the two sets of meshing first bevel gears (56) to drive the two sets of second cleaning brushes (55) to rotate. The first cleaning brush (53) and the two sets of second cleaning brushes (55) respectively treat the impurities of the mating end face and surface before arc welding. S3: The fan head (74) is driven to rotate by the rotating first synchronous wheel (58), and the cleaning component (5) is moved by the welding gantry (2) to perform the cleaning process between the two metal plates (14) to remove impurities.