Sheet metal machining welding equipment and welding method thereof

Abstract

The invention relates to the field of welding, in particular to sheet metal machining welding equipment and a welding method thereof.The sheet metal machining welding equipment comprises a mounting table, a supporting table, an ejector plate and a workbench, a feeding groove is formed in the upper end of the mounting table and used for arranging and feeding side plates, a mounting opening is formed in the groove bottom of the feeding groove, and the supporting table is fixedly connected to the inner wall of the mounting opening; the upper end of the supporting table is used for containing an L-shaped plate, ejection openings are formed in the two sides of the supporting table, the ejection plates are slidably connected to the inner walls of the ejection openings and used for ejecting the side plates moving into the ejection openings, the workbench is detachably connected to the upper end of the mounting table, a machining opening is formed in the workbench, and the supporting table and the side plates can penetrate through the machining opening. The L-shaped plate is installed on the supporting table, the side plate slides into the material ejecting opening along the feeding groove, the material ejecting plate pushes the side plate to move upwards, the side plate penetrates through the machining opening and then is fixed relative to the L-shaped plate in position, an operator conducts welding at the joint of the L-shaped plate and the side plate, and the welding efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of welding, and in particular to a sheet metal processing welding device and a welding method thereof. Background Art

[0002] Sheet metal processing is a comprehensive cold processing technology for metal thin plates (usually less than 6mm). Sheet metal processing is a series of process operations such as shearing, punching, bending, welding, riveting, mold forming and surface treatment on metal plates to obtain parts or products of required shape and size.

[0003] When welding, the joints of several metal sheets need to be aligned and fixed first, and then the welds are pre-treated by spot welding, and then the repair welding operation is performed after the spot welding is completed. In the prior art, due to the diversity of metal sheets, the sheet metal parts manufactured are also different.

[0004] For welding of small drawer-type sheet metal parts, an L-shaped plate and two side plates need to be welded, and the angle between the L-shaped plate and the side plate is a right angle. Therefore, the side plate needs to be aligned with the L-shaped plate before welding. However, the welding of such small parts is mostly done by manual alignment and fixing. During welding, it is easy to cause the seam to not be fully aligned. After spot welding, it is necessary to use a hammer or other tools to knock the side plate to align it with the L-shaped plate before full welding, which is inefficient. Summary of the invention

[0005] In order to improve welding efficiency, the present application provides a sheet metal processing welding device and a welding method thereof.

[0006] In the first aspect, the present application provides a sheet metal processing welding device, which adopts the following technical solution: A sheet metal processing and welding equipment comprises a mounting table, a support table, a ejector plate and a workbench, the upper end of the mounting table is provided with a feeding trough, the feeding trough is used for arranging and loading side panels, the bottom of the feeding trough is provided with a mounting opening, the support table is fixedly connected to the inner wall of the mounting opening, the upper end of the support table is used to place an L-shaped plate, ejector openings are provided on both sides of the support table, the ejector plate is slidably connected to the inner wall of the ejector opening, the ejector plate is used to lift the side panel moved into the ejector opening, the workbench is detachably connected to the upper end of the mounting table, the workbench is provided with a processing opening, and the processing opening is used for the support table and the side panel to pass through.

[0007] By adopting the above technical solution, the L-shaped plate is positioned and installed on the support table, the side plate slides along the loading chute to the top material port, the top material plate pushes the side plate to move upward, and the side plate is relatively fixed in position with the L-shaped plate after passing through the processing port. The operator welds at the joint of the L-shaped plate and the side plate without manually adjusting the position of the L-shaped plate and the side plate, thereby improving the welding efficiency.

[0008] Preferably, it further comprises a positioning plate, wherein the positioning plate is arranged above the top material opening, the positioning plate is connected to the side wall of the support platform, and the positioning plate is used for the L-shaped plate to abut against.

[0009] By adopting the above technical solution, the support platform and the positioning plate jointly position the L-shaped plate for installation, thereby reducing the time for adjusting the position of the L-shaped plate and improving the installation efficiency of the L-shaped plate.

[0010] Preferably, it also includes a sliding plate, the side wall of the support platform is provided with a sliding groove, the sliding plate is slidably connected to the groove wall of the sliding groove, the positioning plate is hinged to the end of the sliding plate away from the bottom of the sliding groove through a torsion spring, and when the positioning plate slides out of the sliding groove, the positioning plate rotates upward.

[0011] By adopting the above technical solution, when the sliding plate moves toward the direction approaching the bottom of the sliding groove, the positioning plate overcomes the force of the torsion spring and rotates to be coplanar with the sliding plate, and the positioning plate slides into the sliding groove to avoid the upward movement of the side plate. When the sliding plate moves in the direction away from the bottom of the sliding groove, the positioning plate extends out of the sliding groove, and the torsion spring causes the positioning plate to rotate upward. The positioning plate positions the installation of the L-shaped plate, thereby improving the installation efficiency of the L-shaped plate and facilitating the welding of the L-shaped plate and the side plate.

[0012] Preferably, it also includes a gear, a first rack and a second rack, the support platform is provided with an installation cavity, the installation cavity is arranged below the sliding groove, the lower end of the support platform is provided with a connecting groove, the connecting groove is arranged between the top material port and the installation cavity, the sliding groove and the connecting groove are both connected to the installation cavity, the gear is coaxially connected to the inner wall of the installation cavity, the rotation axis of the gear is parallel to the hinge axis of the positioning plate, the first rack is fixedly connected to the sliding plate, the second rack is connected to the top material plate, the second rack is slidably connected to the groove wall of the connecting groove, and the first rack and the second rack are both meshed with the gear.

[0013] By adopting the above technical solution, the positioning plate extends out of the sliding groove, and the positioning plate positions the installation of the L-shaped plate. When the top plate pushes the side plate upward, the second rack slides upward, the gear rotates, and the first rack drives the sliding plate to move toward the bottom of the sliding groove. The positioning plate slides into the sliding groove and avoids the side plate. After welding is completed, the finished product is removed. When the top plate moves downward, the positioning plate slides out, and the positioning plate positions the installation of the next L-shaped plate, thereby improving welding efficiency.

[0014] Preferably, it also includes a first magnet, the side wall of the support platform is provided with an embedding groove, the embedding groove is provided below the sliding groove, the first magnet is fixedly embedded in the embedding groove, and the end of the first magnet away from the bottom of the embedding groove is coplanar with the side wall of the support platform.

[0015] By adopting the above technical solution, after the L-shaped plate is positioned and installed on the support platform, the ejector plate slides upward, the positioning plate rotates and slides into the sliding groove, and the first magnet adsorbs the L-shaped plate, making it difficult for the L-shaped plate to shift; when the ejector plate ejects a side plate out of the loading groove, the ejector plate moves downward and resets, and the first magnet adsorbs the side plate, so that the side wall moves into the ejector port, thereby improving the loading efficiency, facilitating the processing of the next sheet metal part, and improving the welding efficiency.

[0016] Preferably, it also includes a first rotating roller, a second rotating roller, a conveyor belt and a limit strip, the mounting platform is provided with a placement cavity, the placement cavity is arranged below the loading trough, the bottom of the loading trough is provided with a first rotating port and a second rotating port, the first rotating port is connected to the top material port, the second rotating port is arranged on the side of the first rotating port away from the top material port, the first rotating port and the second rotating port are both connected to the placement cavity, the first rotating roller rotates around its own axis and is connected to the inner wall of the first rotating port, the second rotating roller rotates around its own axis and is connected to the inner wall of the second rotating port, the rotation axes of the first rotating roller and the second rotating roller are both parallel to the rotation axis of the gear, the conveyor belt is sleeved on the outer circumference of the first rotating roller and the second rotating roller, the conveyor belt abuts the bottom of the loading trough, and the limit strip is fixedly connected to the outer wall of the conveyor belt.

[0017] By adopting the above technical solution, the movement of the conveyor belt drives the movement of the side plate, and the limiting strip limits the side plate, so that the side plate can be stably moved into the top material opening, which is convenient for loading the side plate and improves the welding efficiency.

[0018] Preferably, it also includes a mounting plate, and the outer wall of the top material plate facing away from the support platform is provided with a mounting groove, the mounting groove is used for the mounting plate to be embedded, the upper end of the mounting plate is hinged to the downward groove wall of the mounting groove, the end of the mounting plate facing away from the bottom of the mounting groove is set as a smooth surface, and the end of the mounting plate facing the bottom of the mounting groove is set as an anti-slip surface, and the smooth surface and the anti-slip surface are both used to abut against the conveyor belt.

[0019] By adopting the above technical solution, when the ejection plate moves downward, the anti-slip surface abuts the conveyor belt, and the conveyor belt moves to transport the side plate to the ejection port. When the ejection plate moves upward, the mounting plate is embedded in the mounting groove, and the smooth surface abuts the conveyor belt, and the conveyor belt does not move. Each time the ejection plate transports a side plate upward, the next side plate is controlled to move to the top of the ejection plate when the ejection plate is reset, and the material is automatically loaded, thereby improving the welding efficiency.

[0020] Preferably, it further includes a second magnet, which is fixedly connected to one end of the mounting plate facing the bottom of the mounting groove, and the second magnet and the first magnet repel each other.

[0021] By adopting the above technical solution, the second magnet and the first magnet repel each other so that the mounting plate tends to rotate away from the mounting groove, which makes it easier to control the anti-slip surface to abut against the conveyor belt.

[0022] Preferably, it also includes a rotating column and a crank, wherein the rotating column is coaxially fixedly connected to one end of the second rotating roller, the rotating column extends out of the mounting platform, and one end of the crank is fixedly connected to the outer wall of the rotating column.

[0023] By adopting the above technical solution, turning the handle makes it convenient for operators to adjust the conveyor belt, which is convenient for users to use.

[0024] In a second aspect, the present application provides a sheet metal processing and welding method, which adopts the following technical solution: A sheet metal processing and welding method comprises the following steps: Arrange multiple side panels and place them in the loading trough; Place the L-shaped plate on the support table; Drive the top plate to move upward so that the side plate moves to a suitable position; welding.

[0025] By adopting the above technical solution, the positions of the L-shaped plate and the side plate are positioned and fixed by sheet metal processing and welding equipment, thereby improving welding efficiency.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. Position and install the L-shaped plate on the support table. The side plate slides along the feeding trough to the top material port. The top material plate pushes the side plate upward. After the side plate passes through the processing port, it is relatively fixed with the L-shaped plate. The operator welds at the joint of the L-shaped plate and the side plate. There is no need to manually adjust the position of the L-shaped plate and the side plate, which improves the welding efficiency. 2. After the L-shaped plate is positioned and installed on the support platform, the ejector plate slides upward, the positioning plate rotates and slides into the sliding groove, and the first magnet adsorbs the L-shaped plate, making it difficult for the L-shaped plate to deviate; after the ejector plate ejects a side plate out of the loading groove, the ejector plate moves downward and resets, and the first magnet adsorbs the side plate, so that the side wall moves into the ejector port, thereby improving the loading efficiency, facilitating the processing of the next sheet metal part, and improving the welding efficiency; 3. When the ejector plate moves downward, the anti-slip surface abuts against the conveyor belt, and the conveyor belt moves to transport the side plate to the ejector port. When the ejector plate moves upward, the mounting plate is embedded in the mounting groove, and the smooth surface abuts against the conveyor belt, and the conveyor belt does not move. Each time the ejector plate transports a side plate upward, the next side plate is controlled to move to the top of the ejector plate when the ejector plate is reset, and the material is automatically loaded to improve the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of sheet metal processing and welding equipment.

[0028] Figure 2 It is a cross-sectional view of a sheet metal processing and welding equipment.

[0029] Figure 3 It is a schematic diagram of the overall structure of the sliding plate and the positioning plate.

[0030] Figure 4 yes Figure 2 Enlarged view of point A in the middle.

[0031] Explanation of reference numerals: 1. mounting table; 11. loading trough; 111. mounting port; 112. ejecting port; 113. first rotating port; 114. second rotating port; 12. placement cavity; 2. support table; 21. sliding groove; 22. mounting cavity; 23. connecting groove; 24. embedding groove; 3. workbench; 31. processing port; 32. discharge port; 4. ejecting assembly; 41. ejecting plate; 411. mounting groove; 42. fixing plate; 43. driving cylinder; 5. positioning assembly; 51. sliding plate ; 511, hinge shaft; 52, positioning plate; 521, hinge seat; 5211, hinge interface; 53, torsion spring; 54, transmission member; 541, gear; 542, first rack; 543, second rack; 6, first magnet; 7, loading assembly; 71, first rotating roller; 72, second rotating roller; 73, conveyor belt; 74, limit strip; 75, mounting plate; 751, smooth surface; 752, anti-slip surface; 76, second magnet; 8, hand crank; 81, rotating column; 82, crank handle. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The present application embodiment discloses a sheet metal processing welding device. Figure 1 and Figure 2 The sheet metal processing and welding equipment includes a mounting table 1, a supporting table 2, a working table 3, a top material assembly 4, a positioning assembly 5, a first magnet 6, a feeding assembly 7 and a hand crank 8.

[0034] Reference Figure 2 The mounting platform 1 is in the shape of a rectangular parallelepiped, and a loading trough 11 is provided at the upper end of the mounting platform 1. The length direction of the loading trough 11 is parallel to the length direction of the mounting platform 1, and the loading trough 11 is used for arranging and loading the side panels. A mounting opening 111 is provided at the bottom of the loading trough 11, and the support platform 2 is fixedly connected to the inner wall of the mounting opening 111. The upper end of the support platform 2 is used to place the L-shaped plate, and top material openings 112 are provided on both sides of the support platform 2. The width of the top material opening 112 is equal to the thickness of one side panel, and the top material opening 112 is used for allowing one side panel to pass through.

[0035] The four corners of the workbench 3 are fixedly connected to the upper end of the mounting platform 1 by screws. The workbench 3 covers the notch of the feed trough 11. The workbench 3 is provided with a processing port 31 for the support platform 2 and the side plate to pass through. The distance from the support platform 2 to the inner wall of the processing port 31 is equal to the thickness of one side plate. The workbench 3 is provided with a discharge port 32. There are two discharge ports 32. The two discharge ports 32 are respectively close to the two ends of the feed trough 11. The discharge port 32 is connected to the feed trough 11. The upper end of the workbench 3 is used to place a welding gun.

[0036] Reference Figure 2 The ejection assembly 4 includes an ejection plate 41, a fixed plate 42 and a driving cylinder 43. The ejection plate 41 is slidably connected to the inner wall of the ejection port 112, and the ejection plate 41 is attached to the outer wall of the support platform 2. There are two ejection plates 41, and the ejection plates 41 and the ejection ports 112 are arranged one by one. The driving cylinder 43 and the fixed plate 42 are both arranged below the support platform 2, and the two ends of the fixed plate 42 are respectively fixedly connected to the lower ends of the two ejection plates 41. The cylinder body of the driving cylinder 43 is fixedly connected to the upward inner wall of the processing port 31, and the piston rod of the driving cylinder 43 is fixedly connected to the fixed plate 42.

[0037] Reference Figure 2 and Figure 3 Both side walls of the support platform 2 are provided with sliding grooves 21 , and the sliding grooves 21 are arranged above the workbench 3 . Two positioning components 5 are provided, and the positioning components 5 and the sliding grooves 21 are arranged one by one. The positioning assembly 5 includes a sliding plate 51, a positioning plate 52, a torsion spring 53 and a transmission member 54. The sliding plate 51 is slidably connected to the groove wall of the sliding groove 21. The sliding direction of the sliding plate 51 is parallel to the groove depth direction of the sliding groove 21. The end of the sliding plate 51 away from the bottom of the sliding groove 21 is fixedly connected to a hinge shaft 511. One end of the positioning plate 52 is fixedly connected to a hinge seat 521. The hinge seat 521 is provided with a hinge port 5211. The axis of the hinge port 5211 is parallel to the length direction of the ejection port 112. The hinge port 5211 passes through the hinge seat 521. The hinge shaft 511 is coaxially arranged in the hinge port 5211. The torsion spring 53 is sleeved on the outer periphery of the hinge shaft 511. One end of the torsion spring 53 is fixedly connected to the outer wall of the hinge shaft 511, and the other end of the torsion spring 53 is fixedly connected to the inner wall of the hinge port 5211.

[0038] The sliding groove 21 is used for the positioning plate 52 to slide in. When the positioning plate 52 slides out of the sliding groove 21, the torsion spring 53 causes the positioning plate 52 to rotate upward. The angle between the positioning plate 52 and the sliding plate 51 is a right angle. The positioning plate 52 abuts against the side wall of the support platform 2. The positioning plate 52 is used for the L-shaped plate to abut.

[0039] Reference Figure 2The transmission member 54 includes a gear 541, a first rack 542 and a second rack 543. The support platform 2 is provided with an installation cavity 22, and the installation cavity 22 is arranged below the sliding groove 21. The lower end of the support platform 2 is provided with a connecting groove 23, and the connecting groove 23 is arranged between the top material port 112 and the installation cavity 22. The sliding groove 21 and the connecting groove 23 are both connected to the installation cavity 22. The gear 541 is coaxially connected to the inner wall of the installation cavity 22. The rotation axis of the gear 541 is parallel to the hinge axis of the positioning plate 52. The first rack 542 is fixedly connected to the sliding plate 51, and the second rack 543 is slidably connected to the groove wall of the connecting groove 23. The second rack 543 is fixedly connected to the upper end of the fixed plate 42. The first rack 542 and the second rack 543 are both meshed with the gear 541.

[0040] Both side walls of the support platform 2 are provided with an embedding groove 24, and the embedding groove 24 is arranged below the sliding groove 21. The groove opening of the embedding groove 24 faces the side plate. The first magnet 6 is fixedly embedded in the embedding groove 24. The end of the first magnet 6 facing away from the bottom of the embedding groove 24 is coplanar with the side wall of the support platform 2. The first magnet 6 is used to attract the side plate and the L-shaped plate.

[0041] Reference Figure 2 and Figure 4 There are two feeding assemblies 7, which are respectively arranged on both sides of the support platform 2. The feeding assemblies 7 include a first rotating roller 71, a second rotating roller 72, a conveyor belt 73, a limiting strip 74, a mounting plate 75 and a second magnet 76. The mounting platform 1 is provided with a placement cavity 12, which is arranged below the feeding trough 11. The bottom of the feeding trough 11 is provided with a first rotating port 113 and a second rotating port 114. The first rotating port 113 is connected to the top material port 112, and the second rotating port 114 is arranged on a side of the first rotating port 113 away from the top material port 112. The second rotating port 114 is close to the end of the feeding trough 11, and the first rotating port 113 and the second rotating port 114 are both connected to the placement cavity 12.

[0042] The first rotating roller 71 rotates around its own axis and is connected to the inner wall of the first rotating opening 113, the second rotating roller 72 rotates around its own axis and is connected to the inner wall of the second rotating opening 114, the rotation axes of the first rotating roller 71 and the second rotating roller 72 are parallel to the rotation axis of the gear 541, the conveyor belt 73 is sleeved on the outer periphery of the first rotating roller 71 and the second rotating roller 72, the conveyor belt 73 abuts the bottom of the loading trough 11, the limit strip 74 is fixedly connected to the outer wall of the conveyor belt 73, and the limit strip 74 is used to abut the side plate.

[0043] Reference Figure 2 and Figure 4The outer wall of the ejector plate 41 facing away from the support platform 2 is provided with a mounting groove 411, and the mounting groove 411 is used for the mounting plate 75 to be embedded. The upper end of the mounting plate 75 is hinged to the downward groove wall of the mounting groove 411, and the end of the mounting plate 75 facing away from the groove bottom of the mounting groove 411 is set as a smooth surface 751, and the end of the mounting plate 75 facing the groove bottom of the mounting groove 411 is set as an anti-slip surface 752. The smooth surface 751 and the anti-slip surface 752 are both used to abut the conveyor belt 73, and the angle between the mounting plate 75 and the groove bottom of the mounting groove 411 is set as an acute angle. The second magnet 76 is fixedly connected to the end of the mounting plate 75 facing the groove bottom of the mounting groove 411, and the second magnet 76 and the first magnet 6 repel each other.

[0044] Reference Figure 1 and Figure 2 The hand crank 8 includes a rotating column 81 and a crank handle 82 . The rotating column 81 is coaxially fixedly connected to one end of the second rotating roller 72 . The rotating column 81 extends out of the mounting platform 1 . One end of the crank handle 82 is fixedly connected to the outer wall of the rotating column 81 .

[0045] The implementation principle of a sheet metal processing welding device in the embodiment of the present application is as follows: the side plate is placed in the loading trough 11, the side plates are abutted against each other, the L-shaped plate is placed on the processing table, the positioning plate 52 limits the placement of the L-shaped plate, the driving cylinder 43 controls the ejection plate 41 to move upward, the ejection plate 41 lifts the side plate, the transmission member 54 controls the positioning plate 52 to slide into the sliding groove 21, the welding gun welds the side plate and the L-shaped plate, the processed workpiece is removed, the driving cylinder 43 controls the ejection plate 41 to move downward, the positioning plate 52 slides out of the sliding groove 21 and then rotates upward, The positioning plate 52 abuts against the side wall of the support platform 2, and the ejection plate 41 continues to slide downward. The first magnet 6 adsorbs the side plate, and the second magnet 76 causes the mounting plate 75 to rotate outward. The anti-slip surface 752 abuts against the conveyor belt 73. The movement of the conveyor belt 73 drives the remaining side plates to move closer to the first magnet 6. The driving cylinder 43 controls the ejection plate 41 to move upward, and the smooth surface 751 abuts against the conveyor belt 73. The positioning plate 52 abuts against the L-shaped plate. The upper end of the ejection plate 41 abuts against the side plate. The ejection plate 41 continues to move upward to eject the side plate. The cycle operation is repeated to improve the welding efficiency.

[0046] The present application also discloses a sheet metal processing and welding method. Figure 2 , the sheet metal processing welding method includes the following steps: Arrange a plurality of side panels and place them in the loading trough 11; Place the L-shaped plate on the support table 2; Drive the ejector plate 41 to move upward so that the side plate moves to a suitable position; welding.

[0047] The implementation principle of a sheet metal processing and welding method in an embodiment of the present application is: the positions of the L-shaped plate and the side plate are positioned and fixed by sheet metal processing and welding equipment to improve welding efficiency.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sheet metal processing and welding equipment, characterized in that: The invention comprises a mounting platform (1), a support platform (2), a material ejection plate (41) and a workbench (3); the upper end of the mounting platform (1) is provided with a material loading trough (11), the material loading trough (11) is used for arranging and loading side panels, the bottom of the material loading trough (11) is provided with a mounting opening (111), the support platform (2) is fixedly connected to the inner wall of the mounting opening (111), the upper end of the support platform (2) is used for placing an L-shaped plate, both sides of the support platform (2) are provided with material ejection openings (112), the material ejection plate (41) is slidably connected to the inner wall of the material ejection opening (112), the material ejection plate (41) is used for ejecting the side panel moved into the material ejection opening (112), and the workbench (3) is detachably connected to the upper end of the mounting platform (1), the workbench (3) is provided with a processing opening (31), the processing opening (31) is used for allowing the support platform (2) and the side panel to pass through.

2. The sheet metal processing and welding equipment according to claim 1, characterized in that: It also comprises a positioning plate (52), the positioning plate (52) being arranged above the top material opening (112), the positioning plate (52) being connected to the side wall of the support platform (2), and the positioning plate (52) being used for abutment of the L-shaped plate.

3. The sheet metal processing and welding equipment according to claim 2, characterized in that: The supporting platform (2) further comprises a sliding plate (51), the side wall of which is provided with a sliding groove (21), the sliding plate (51) being slidably connected to the groove wall of the sliding groove (21), the positioning plate (52) being hinged to an end of the sliding plate (51) away from the groove bottom of the sliding groove (21) via a torsion spring (53), and when the positioning plate (52) slides out of the sliding groove (21), the positioning plate (52) rotates upward.

4. The sheet metal processing and welding equipment according to claim 3, characterized in that: The invention also comprises a gear (541), a first rack (542) and a second rack (543); the support platform (2) is provided with a mounting cavity (22); the mounting cavity (22) is arranged below the sliding groove (21); a connecting groove (23) is arranged at the lower end of the support platform (2); the connecting groove (23) is arranged between the ejection port (112) and the mounting cavity (22); the sliding groove (21) and the connecting groove (23) are both connected to the mounting cavity (22); the gear (541) ) is coaxially rotatably connected to the inner wall of the mounting cavity (22), the rotation axis of the gear (541) is parallel to the hinge axis (511) line of the positioning plate (52), the first rack (542) is fixedly connected to the sliding plate (51), the second rack (543) is connected to the ejection plate (41), the second rack (543) is slidably connected to the groove wall of the connecting groove (23), and the first rack (542) and the second rack (543) are both meshed with the gear (541).

5. The sheet metal processing and welding equipment according to claim 4, characterized in that: The invention also comprises a first magnet (6), a side wall of the support platform (2) is provided with an embedding groove (24), the embedding groove (24) is provided below the sliding groove (21), the first magnet (6) is fixedly embedded in the embedding groove (24), and an end of the first magnet (6) facing away from the bottom of the embedding groove (24) is coplanar with the side wall of the support platform (2).

6. The sheet metal processing and welding equipment according to claim 5, characterized in that: The mounting platform (1) further comprises a first rotating roller (71), a second rotating roller (72), a conveyor belt (73) and a limiting strip (74); the mounting platform (1) is provided with a placement cavity (12); the placement cavity (12) is arranged below the material loading trough (11); the bottom of the material loading trough (11) is provided with a first rotating opening (113) and a second rotating opening (114); the first rotating opening (113) is connected to the material loading opening (112); the second rotating opening (114) is arranged on a side of the first rotating opening (113) away from the material loading opening (112); the first rotating opening (113) and the second rotating opening (114) are both connected to the material loading opening (112); The first rotating roller (71) is connected to the inner wall of the first rotating opening (113) by rotating around its own axis, and the second rotating roller (72) is connected to the inner wall of the second rotating opening (114) by rotating around its own axis. The rotation axes of the first rotating roller (71) and the second rotating roller (72) are both parallel to the rotation axis of the gear (541). The conveyor belt (73) is sleeved on the outer periphery of the first rotating roller (71) and the second rotating roller (72). The conveyor belt (73) abuts against the bottom of the feeding trough (11), and the limit strip (74) is fixedly connected to the outer wall of the conveyor belt (73).

7. The sheet metal processing and welding equipment according to claim 6, characterized in that: It also includes a mounting plate (75), wherein an outer wall of the ejector plate (41) facing away from the support platform (2) is provided with a mounting groove (411), wherein the mounting groove (411) is used for the mounting plate (75) to be embedded, and the upper end of the mounting plate (75) is hinged to the downwardly facing groove wall of the mounting groove (411), and one end of the mounting plate (75) facing away from the groove bottom of the mounting groove (411) is provided as a smooth surface (751), and one end of the mounting plate (75) facing the groove bottom of the mounting groove (411) is provided as an anti-slip surface (752), and both the smooth surface (751) and the anti-slip surface (752) are used for abutting against the conveyor belt (73).

8. The sheet metal processing and welding equipment according to claim 7, characterized in that: It also includes a second magnet (76), the second magnet (76) being fixedly connected to one end of the mounting plate (75) facing the bottom of the mounting groove (411), the second magnet (76) and the first magnet (6) repelling each other.

9. The sheet metal processing and welding equipment according to claim 6, characterized in that: It also comprises a rotating column (81) and a crank (82), wherein the rotating column (81) is coaxially fixedly connected to one end of the second rotating roller (72), the rotating column (81) extends out of the mounting platform (1), and one end of the crank (82) is fixedly connected to the outer wall of the rotating column (81).

10. A sheet metal processing and welding method, used for the sheet metal processing and welding equipment according to any one of claims 1 to 9, characterized in that: The following steps are involved: Arrange a plurality of side plates and place them in a loading trough (11); Place the L-shaped plate on the support platform (2); Driving the ejector plate (41) to move upward so that the side plate moves to a suitable position; welding.

Images