A double-sided welding device for shielding cover production

Abstract

The present invention relates to the technical field of shielding cover production, and discloses a double-sided welding device for shielding cover production, comprising: a processing table, the bottom of the processing table is fixedly connected to a support column, the bottom of the support column is fixedly connected to a reinforcement base, the side of the processing table is penetrated and slidably connected to a placement plate, and one side of the processing table is fixedly connected to a reinforcement block; a welding device, the welding device is used for double-sided welding of the shielding cover; a tightening device, the tightening device is used to tighten and fix the shielding cover on the placement plate; the placement plates are provided in two groups, and the two groups of the placement plates are symmetrically distributed on both sides of the processing table, the reinforcement blocks are provided in two groups, and the two groups of the reinforcement blocks are symmetrically distributed on both sides of the processing table, and the support columns are provided in multiple groups. In the double-sided welding device for shielding cover production, the synchronization of double-sided welding not only greatly improves the welding efficiency, but also reduces the problem of uneven stress caused by sequential welding.

Description

Technical Field

[0001] The invention relates to the technical field of shielding cover production, in particular to double-sided welding equipment for shielding cover production. Background Art

[0002] With the continuous miniaturization and high performance of electronic equipment, the application of shielding covers has become more and more extensive. In many electronic terminal products such as communication equipment, smart phones, and tablet computers, shielding covers play a key role in protecting internal circuits from external electromagnetic interference and preventing internal electromagnetic signal leakage. A shielding cover is a metal shell used for electronic equipment, which is made of conductive materials such as copper, aluminum or iron, and has good conductivity and shielding effect. The main function of the shielding cover is to reduce the impact of electromagnetic interference (EMI) and electromagnetic radiation (EMR). While preventing the electromagnetic field generated by the internal electronic equipment from leaking to the external environment to reduce interference with surrounding equipment, it can also absorb and reflect electromagnetic waves to reduce the impact of electromagnetic waves on the circuits and components of the internal electronic equipment. In addition, the shielding cover can also play a role in heat dissipation. The shielding cover is made of metal materials and has good thermal conductivity. It can dissipate the heat generated by the electronic equipment when it is working to the external environment, thereby stabilizing the normal working temperature of the electronic equipment.

[0003] When performing double-sided welding on a shielding cover, existing devices usually weld one side of the workpiece first, and then weld the other side of the workpiece by flipping the workpiece or rotating the welding assembly, resulting in the inability to weld both sides of the workpiece simultaneously, thereby reducing welding efficiency and causing uneven stress due to sequential welding. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides: a double-sided welding device for producing a shielding cover, comprising:

[0005] A processing table, wherein a support column is fixedly connected to the bottom of the processing table, a reinforcement base is fixedly connected to the bottom of the support column, a placement plate is penetrated and slidably connected to the side of the processing table, and a reinforcement block is fixedly connected to one side of the processing table;

[0006] A welding device, the welding device is used for double-sided welding of the shielding cover;

[0007] A tightening device, which is used to tighten and fix the shielding cover on the placement plate;

[0008] The placement plates are provided in two groups, and the two groups of placement plates are symmetrically distributed on both sides of the processing table. The reinforcement blocks are provided in two groups, and the two groups of reinforcement blocks are symmetrically distributed on both sides of the processing table. The support columns are provided in multiple groups. One side of the welding device is fixedly connected to the side of the reinforcement block. The welding device is provided in two groups, and the two groups of welding devices are symmetrically distributed on both sides of the processing table. One side of the tightening device is fixedly connected to the side of the processing table, and the tightening device is provided in two groups.

[0009] Wherein, the welding device comprises:

[0010] A limit frame, wherein a lifting assembly is fixedly connected to the bottom of the limit frame, an electric slide rail is fixedly connected to the top of the limit frame, and a moving frame is slidably connected to the inside of the electric slide rail via an electric slider;

[0011] A positioning plate, the bottom of which is located at the center and fixedly connected with a laser welding assembly, the workpieces to be processed are placed on the placement plate in turn, and the workpieces are fixed on the placement plate using a tightening device, and then the two sets of electric slide rails are simultaneously turned on, and the moving frame is driven to move by the electric slider inside the electric slide rails, and the moving frame drives the laser welding assembly to the specified position through the positioning plate, so that the two sets of laser welding assemblies can perform laser welding on the top and bottom of the workpiece to be processed at the same time. The synchronization of double-sided welding not only greatly improves the welding efficiency, but also reduces the problem of uneven stress caused by sequential welding.

[0012] Preferably, the fixed end of the lifting assembly is fixedly connected to the side of the reinforcement block, two groups of limit frames are provided, and the two groups of limit frames are symmetrically distributed on both sides of the processing table, and the top of the positioning plate is fixedly connected to the bottom of the movable frame.

[0013] Preferably, the welding device further comprises a smoke removal device, and one side of the smoke removal device is fixedly connected to the side surface of the positioning plate.

[0014] Preferably, the smoke removal device includes an annular tube, the top of the annular tube is connected to an air supply pipe, the end of the air supply pipe away from the annular tube is connected to an air pump, the top of the annular tube is fixedly connected to a connecting plate, and the bottom of the annular tube is connected to an air suction device. When the laser welding assembly welds the workpiece, the air pump is turned on, and the smoke generated in the welding area is sucked into the annular tube from the air suction device through the air pump, and then the sucked smoke is discharged through the air supply pipe and the air pump, so as to absorb the smoke generated during laser welding to prevent the smoke from floating in the air to block and scatter the laser beam. The connecting plate fixes the annular tube and the positioning plate together, so that the device can move synchronously with the laser welding assembly to maintain the smoke removal efficiency of the welding area.

[0015] Preferably, the outer side of the air pump is fixedly connected to the outer side of the positioning plate through a bracket, and the end of the connecting plate away from the annular tube is fixedly connected to the outer side of the positioning plate.

[0016] Preferably, the suction device includes a connecting pipe, the bottom of the connecting pipe is connected to a bellows, the bottom of the bellows is connected to an suction pipe, the end of the suction pipe away from the bellows is connected to an suction nozzle, the outer side of the connecting pipe is fixedly connected to a fixing plate, the bottom of the fixing plate is fixedly connected to a snap-on telescopic rod, the bottom of the snap-on telescopic rod is fixedly connected to a bottom plate, the bellows is pulled to extend the bellows, and the bellows drives the suction nozzle to move through the suction pipe, and the bellows extends and pulls the snap-on telescopic rod through the bottom plate. After the bellows is stretched to the desired length, it is fixed at this length by the buckle inside the snap-on telescopic rod, so that the position of the suction nozzle can be fixed, and the position of the suction nozzle can be adjusted so that the suction nozzle can extend to the welding area, the suction nozzle can always be close to the welding area and absorb the smoke in the area in time.

[0017] Preferably, the top of the connecting tube is connected to the bottom of the annular tube, and the connecting tubes are provided in multiple groups, and the multiple groups of connecting tubes are evenly distributed on the bottom of the annular tube, and one side of the bottom plate is fixedly connected to the outer side of the corrugated tube near the bottom, and the fixing plates are provided in multiple groups, and the multiple groups of fixing plates are evenly distributed on the outside of the connecting tube.

[0018] Preferably, the tightening device includes a positioning support plate and a tightening ball, the top of the positioning support plate is provided with a rectangular opening, the bottom of the positioning support plate is fixedly connected to a suspension plate, one side of the suspension plate passes through and is slidably connected to a sliding plate, the interior of the tightening ball passes through and is rotatably connected to a fixed column through a bearing, the outer side of the sliding plate is sleeved and fixedly connected to a cross plate, one side of the cross plate passes through and is threadedly connected to a threaded rod, the bottom of the threaded rod is rotatably connected to a rubber plate through a bearing, and the side of the suspension plate close to the rectangular opening is fixedly connected to a return spring, and the return spring A top plate is fixedly connected to the top. When the workpiece to be processed is placed on the placement plate, the return spring presses the sliding plate against the placement plate through its own elastic force. The sliding plate drives the tightening ball to press against the surface of the workpiece through the fixed column. Then the threaded rod is rotated. When the threaded rod rotates, it drives the rubber plate to press against the top of the tightening ball, so that the tightening ball can be fixed to prevent the tightening ball from rotating along the surface of the workpiece. Then, the tightening ball pressed by the rubber plate can be used to press the workpiece against the placement plate, and workpieces of different thicknesses and sizes can be fixed, effectively preventing the shielding cover from displacement or deformation during welding.

[0019] Preferably, one side of the positioning support plate is fixedly connected to the side of the processing table through a bracket, the sliding plate is provided with two groups, both ends of the fixed column are fixedly connected to the side of the sliding plate, and the top plate is sleeved on the outside of the sliding plate and fixedly connected to the outer wall of the sliding plate.

[0020] The present invention provides a double-sided welding device for producing a shielding cover. It has the following beneficial effects:

[0021] 1. A double-sided welding device for producing a shielding cover, through the installation of the welding device, places the workpiece to be processed on the placement plate in turn, and uses the tightening device to fix the workpiece on the placement plate, then starts two sets of electric slide rails at the same time, and drives the moving frame to move through the electric slider inside the electric slide rail, and the moving frame drives the laser welding assembly to the specified position through the positioning plate, so that the two sets of laser welding assemblies can perform laser welding on the top and bottom of the workpiece to be processed at the same time. The synchronization of double-sided welding not only greatly improves the welding efficiency, but also reduces the problem of uneven stress caused by successive welding.

[0022] 2. The double-sided welding equipment produced by the shielding cover has a smoke removal device installed. When the laser welding component is welding the workpiece, the air pump is turned on to suck the smoke generated in the welding area from the suction device into the annular tube through the air pump, and then the smoke is discharged through the air pipe and the air pump. The smoke generated during laser welding is absorbed to prevent the smoke from floating in the air to block and scatter the laser beam. The connecting plate fixes the annular tube and the positioning plate together, so that the device can move synchronously with the laser welding component to maintain the smoke removal efficiency of the welding area.

[0023] 3. The double-sided welding equipment produced by the shielding cover, through the installation of the suction device, pulls the bellows to stretch the bellows, and the bellows drives the suction nozzle to move through the suction pipe. While the bellows stretches, the snap-on telescopic rod is pulled through the bottom plate. After the bellows is stretched to the required length, it is fixed at this length by the buckle inside the snap-on telescopic rod, so that the position of the suction nozzle can be fixed, and the position of the suction nozzle can be adjusted so that the suction nozzle can extend to the welding area. The suction nozzle can always be close to the welding area and absorb the smoke in the area in time.

[0024] 4. The double-sided welding equipment for producing a shielding cover has a tightening device installed. When the workpiece to be processed is placed on the placement plate, the return spring tightens the sliding plate to the placement plate through its own elastic force. The sliding plate drives the tightening ball to be tightened against the surface of the workpiece through the fixed column. Then the threaded rod is rotated. When the threaded rod rotates, it drives the rubber plate to be pressed against the top of the tightening ball, so that the tightening ball can be fixed to prevent the tightening ball from rotating along the surface of the workpiece. Then, the tightening ball pressed by the rubber plate can be used to press the workpiece against the placement plate, and workpieces of different thicknesses and sizes can be fixed, effectively preventing the shielding cover from displacement or deformation during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the structure of a double-sided welding device for producing a shielding cover according to the present invention;

[0026] Figure 2 It is a structural schematic diagram of the processing table of the present invention;

[0027] Figure 3 It is a structural schematic diagram of the placement plate of the present invention;

[0028] Figure 4 It is a structural schematic diagram of the limiting frame of the present invention;

[0029] Figure 5 It is a structural schematic diagram of the mobile frame of the present invention;

[0030] Figure 6 It is a structural schematic diagram of the positioning plate of the present invention;

[0031] Figure 7 It is a structural schematic diagram of the annular tube of the present invention;

[0032] Figure 8 It is a structural schematic diagram of the air suction nozzle of the present invention;

[0033] Fig. 9 It is a structural schematic diagram of the positioning support plate of the present invention.

[0034] In the figure: 1, processing table; 2, support column; 3, reinforcement base; 4, placement plate; 5, reinforcement block; 6, welding device; 61, limit frame; 62, lifting assembly; 63, electric slide rail; 64, mobile frame; 65, positioning plate; 66, laser welding assembly; 67, smoke removal device; 671, annular pipe; 672, gas pipe; 673, air pump; 674, connecting plate; 675, suction device; 6751, connecting Tube; 6752, bellows; 6753, suction pipe; 6754, suction nozzle; 6755, fixing plate; 6756, snap-on telescopic rod; 6757, bottom plate; 7, tightening device; 71, positioning support plate; 72, rectangular opening; 73, suspension plate; 74, sliding plate; 75, tightening ball; 76, fixing column; 77, horizontal plate; 78, threaded rod; 79, rubber plate; 710, return spring; 711, top plate. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0036] For the first embodiment, please refer to Figure 1-Figure 8 The present invention provides a technical solution: a double-sided welding device for producing a shielding cover, comprising:

[0037] A processing table 1, a support column 2 is fixedly connected to the bottom of the processing table 1, a reinforcement base 3 is fixedly connected to the bottom of the support column 2, a placement plate 4 is penetrated and slidably connected to the side of the processing table 1, and a reinforcement block 5 is fixedly connected to one side of the processing table 1;

[0038] A welding device 6, the welding device 6 is used for double-sided welding of the shielding cover;

[0039] A tightening device 7, which is used to tighten and fix the shielding cover on the placement plate 4;

[0040] Two groups of placement plates 4 are provided, and the two groups of placement plates 4 are symmetrically distributed on both sides of the processing table 1. Two groups of reinforcement blocks 5 are provided, and the two groups of reinforcement blocks 5 are symmetrically distributed on both sides of the processing table 1. Multiple groups of support columns 2 are provided. One side of the welding device 6 is fixedly connected to the side of the reinforcement block 5. Two groups of welding devices 6 are provided, and the two groups of welding devices 6 are symmetrically distributed on both sides of the processing table 1. One side of the tightening device 7 is fixedly connected to the side of the processing table 1, and two groups of tightening devices 7 are provided;

[0041] Wherein, the welding device 6 comprises:

[0042] A limit frame 61, a lifting assembly 62 is fixedly connected to the bottom of the limit frame 61, an electric slide rail 63 is fixedly connected to the top of the limit frame 61, and a moving frame 64 is slidably connected to the inside of the electric slide rail 63 through an electric slider;

[0043] The positioning plate 65 has a bottom portion of the positioning plate 65 located at a central position and fixedly connected with a laser welding assembly 66 .

[0044] The fixed end of the lifting assembly 62 is fixedly connected to the side of the reinforcement block 5 , two groups of limit frames 61 are provided, and the two groups of limit frames 61 are symmetrically distributed on both sides of the processing table 1 , and the top of the positioning plate 65 is fixedly connected to the bottom of the moving frame 64 .

[0045] The welding device 6 further includes a fume removal device 67 , one side of which is fixedly connected to the side surface of the positioning plate 65 .

[0046] The smoke removal device 67 includes an annular tube 671, the top of which is connected to an air supply pipe 672, the end of the air supply pipe 672 away from the annular tube 671 is connected to an air pump 673, the top of the annular tube 671 is fixedly connected to a connecting plate 674, and the bottom of the annular tube 671 is connected to an air suction device 675.

[0047] The outer side of the air pump 673 is fixedly connected to the outer side of the positioning plate 65 through a bracket, and the end of the connecting plate 674 away from the annular tube 671 is fixedly connected to the outer side of the positioning plate 65.

[0048] The suction device 675 includes a connecting pipe 6751, the bottom of the connecting pipe 6751 is connected to a bellows 6752, the bottom of the bellows 6752 is connected to a suction pipe 6753, the end of the suction pipe 6753 away from the bellows 6752 is connected to a suction nozzle 6754, the outer side of the connecting pipe 6751 is fixedly connected to a fixing plate 6755, the bottom of the fixing plate 6755 is fixedly connected to a snap-on telescopic rod 6756, and the bottom of the snap-on telescopic rod 6756 is fixedly connected to a bottom plate 6757.

[0049] The top of the connecting tube 6751 is connected to the bottom of the annular tube 671, and multiple groups of connecting tubes 6751 are arranged. The multiple groups of connecting tubes 6751 are evenly distributed on the bottom of the annular tube 671, one side of the bottom plate 6757 is fixedly connected to the outer side of the corrugated tube 6752 near the bottom, and multiple groups of fixing plates 6755 are arranged. The multiple groups of fixing plates 6755 are evenly distributed on the outside of the connecting tube 6751.

[0050] During use, the operator pushes the two groups of placement plates 4 along one side of the processing table 1, so that the two groups of placement plates 4 gradually approach the center of the processing table 1 until the two groups of placement plates 4 move to the desired position, and then the worker places the workpieces to be processed on the placement plates 4 in turn, and uses the tightening device 7 to fix the workpieces on the placement plates 4, and then starts the two groups of electric slide rails 63 at the same time, and drives the moving frame 64 to move through the electric slider inside the electric slide rails 63, and the moving frame 64 drives the laser welding assembly 66 to move to the specified position through the positioning plate 65, so that the two groups of laser welding assemblies 66 can perform laser welding on the top and bottom of the workpiece to be processed at the same time. The synchronization of double-sided welding not only greatly improves the welding efficiency, but also reduces the stress unevenness problem caused by successive welding.

[0051] When the laser welding assembly 66 welds the workpiece, the air pump 673 is turned on, and the smoke generated in the welding area is sucked into the annular tube 671 through the air suction device 675 through the air pump 673, and then the sucked smoke is discharged through the air pipe 672 and the air pump 673, so as to absorb the smoke generated during laser welding to prevent the smoke from floating in the air and blocking and scattering the laser beam, and the connecting plate 674 fixes the annular tube 671 and the positioning plate 65 together, so that the device can move synchronously with the laser welding assembly to maintain the smoke removal efficiency of the welding area.

[0052] Pull the bellows 6752 to stretch it, and the bellows 6752 drives the suction nozzle 6754 to move through the suction pipe 6753. When the bellows 6752 stretches, the snap-on telescopic rod 6756 is pulled through the bottom plate 6757. After the bellows 6752 is stretched to the required length, it is fixed at this length by the snap inside the snap-on telescopic rod 6756. The position of the suction nozzle 6754 can be fixed and the position of the suction nozzle 6754 can be adjusted so that the suction nozzle 6754 can extend to the welding area. The suction nozzle 6754 can always be close to the welding area and absorb the smoke in the area in time.

[0053] For the second embodiment, please refer to Figure 1-Figure 9 The present invention provides a technical solution: on the basis of embodiment 1, the tightening device 7 includes a positioning support plate 71 and a tightening ball 75. A rectangular opening 72 is opened on the top of the positioning support plate 71. A suspension plate 73 is fixedly connected to the bottom of the positioning support plate 71. A sliding plate 74 is penetrated and slidably connected to one side of the suspension plate 73. A fixed column 76 is penetrated inside the tightening ball 75 and rotatably connected to the fixed column 76 through a bearing. A cross plate 77 is sleeved and fixedly connected to the outer side of the sliding plate 74. A threaded rod 78 is penetrated and threadedly connected to one side of the cross plate 77. A rubber plate 79 is rotatably connected to the bottom of the threaded rod 78 through a bearing. A reset spring 710 is fixedly connected to the side of the suspension plate 73 close to the rectangular opening 72. A top plate 711 is fixedly connected to the top of the reset spring 710.

[0054] One side of the positioning support plate 71 is fixedly connected to the side of the processing table 1 through a bracket. Two groups of sliding plates 74 are provided. Both ends of the fixed column 76 are fixedly connected to the side of the sliding plate 74. The top plate 711 is sleeved on the outer side of the sliding plate 74 and fixedly connected to the outer wall of the sliding plate 74.

[0055] When in use, after the workpiece to be processed is placed on the placement plate 4, the return spring 710 uses its own elastic force to press the sliding plate 74 against the placement plate 4, and the sliding plate 74 drives the tightening ball 75 to press against the surface of the workpiece through the fixed column 76, and then the threaded rod 78 is rotated. When the threaded rod 78 rotates, it drives the rubber plate 79 to fit tightly above the tightening ball 75, so that the tightening ball 75 can be fixed to prevent the tightening ball 75 from rotating along the surface of the workpiece, and then the tightening ball 75 pressed by the rubber plate 79 can be used to press the workpiece onto the placement plate 4, and workpieces of different thicknesses and sizes can be fixed, effectively preventing the shielding cover from displacement or deformation during welding.

[0056] Working process: The operator pushes the two sets of placement plates 4 along one side of the processing table 1, so that the two sets of placement plates 4 gradually approach the center of the processing table 1, until the two sets of placement plates 4 move to the desired position, and then the worker puts the workpieces to be processed on the placement plates 4 in turn, and uses the tightening device 7 to fix the workpieces on the placement plates 4, and then starts the two sets of electric slide rails 63 at the same time, and drives the moving frame 64 to move through the electric slider inside the electric slide rail 63, and the moving frame 64 drives the laser welding assembly 66 to move to the specified position through the positioning plate 65, so that the two sets of laser welding assemblies 66 are fixed to the desired position. 6 Laser welding is performed on the top and bottom of the workpiece to be processed at the same time. When the laser welding assembly 66 is welding the workpiece, the air pump 673 is turned on, and the smoke generated in the welding area is sucked into the annular tube 671 from the suction device 675 through the air pump 673, and then the sucked smoke is discharged through the air pipe 672 and the air pump 673, so as to absorb the smoke generated during laser welding to prevent the smoke from floating in the air to block and scatter the laser beam, and the connecting plate 674 fixes the annular tube 671 and the positioning plate 65 together so that the device can be connected with the laser welding assembly at the same time. The bellows 6752 is moved step by step, and the bellows 6752 is pulled to extend. The bellows 6752 drives the suction nozzle 6754 to move through the suction pipe 6753. While the bellows 6752 is extended, the snap-on telescopic rod 6756 is pulled through the bottom plate 6757. After the bellows 6752 is stretched to the required length, it is fixed at this length by the buckle inside the snap-on telescopic rod 6756, so that the position of the suction nozzle 6754 can be fixed, and the position of the suction nozzle 6754 can be adjusted so that the suction nozzle 6754 can extend to the welding area. After the processed workpiece is placed on the placement plate 4, the return spring 710 uses its own elastic force to press the sliding plate 74 against the placement plate 4, and the sliding plate 74 drives the tightening ball 75 to press against the surface of the workpiece through the fixed column 76, and then the threaded rod 78 is rotated. When the threaded rod 78 rotates, it drives the rubber plate 79 to fit tightly above the tightening ball 75, so that the tightening ball 75 can be fixed to prevent the tightening ball 75 from rotating along the surface of the workpiece, and then the tightening ball 75 pressed by the rubber plate 79 can be used to press the workpiece onto the placement plate 4, and workpieces of different thicknesses and sizes can be fixed.

[0057] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A double-sided welding device for producing a shielding cover, characterized in that: include: A processing table (1), wherein a support column (2) is fixedly connected to the bottom of the processing table (1), a reinforcement base (3) is fixedly connected to the bottom of the support column (2), a placement plate (4) passes through and is slidably connected to the side of the processing table (1), and a reinforcement block (5) is fixedly connected to one side of the processing table (1); A welding device (6), the welding device (6) being used for performing double-sided welding on the shielding cover; A tightening device (7), the tightening device (7) being used to tighten and fix the shielding cover on the placement plate (4); The placement plates (4) are provided in two groups, and the two groups of the placement plates (4) are symmetrically distributed on both sides of the processing table (1); the reinforcement blocks (5) are provided in two groups, and the two groups of the reinforcement blocks (5) are symmetrically distributed on both sides of the processing table (1); the support columns (2) are provided in multiple groups; one side of the welding device (6) is fixedly connected to the side of the reinforcement block (5); the welding device (6) is provided in two groups, and the two groups of the welding device (6) are symmetrically distributed on both sides of the processing table (1); one side of the tightening device (7) is fixedly connected to the side of the processing table (1); the tightening device (7) is provided in two groups; Wherein, the welding device (6) comprises: A limiting frame (61), wherein a lifting assembly (62) is fixedly connected to the bottom of the limiting frame (61), an electric slide rail (63) is fixedly connected to the top of the limiting frame (61), and a moving frame (64) is slidably connected to the inside of the electric slide rail (63) via an electric slider; A positioning plate (65), wherein the bottom of the positioning plate (65) is located at a central position and is fixedly connected with a laser welding assembly (66).

2. The double-sided welding equipment for producing a shielding cover according to claim 1, characterized in that: The fixed end of the lifting assembly (62) is fixedly connected to the side of the reinforcing block (5), two groups of the limiting frames (61) are provided, and the two groups of the limiting frames (61) are symmetrically distributed on both sides of the processing table (1), and the top of the positioning plate (65) is fixedly connected to the bottom of the moving frame (64).

3. The double-sided welding equipment for producing a shielding cover according to claim 1, characterized in that: The welding device (6) further comprises a smoke removal device (67), one side of which is fixedly connected to the side surface of the positioning plate (65).

4. The double-sided welding equipment for producing a shielding cover according to claim 3, characterized in that: The smoke removal device (67) comprises an annular tube (671), the top of the annular tube (671) is connected to an air supply pipe (672), one end of the air supply pipe (672) away from the annular tube (671) is connected to an air pump (673), the top of the annular tube (671) is fixedly connected to a connecting plate (674), and the bottom of the annular tube (671) is connected to an air suction device (675).

5. The double-sided welding equipment for producing a shielding cover according to claim 4, characterized in that: The outer side of the air pump (673) is fixedly connected to the outer side of the positioning plate (65) via a bracket, and one end of the connecting plate (674) away from the annular tube (671) is fixedly connected to the outer side of the positioning plate (65).

6. The double-sided welding equipment for producing a shielding cover according to claim 4, characterized in that: The suction device (675) comprises a connecting pipe (6751), the bottom of the connecting pipe (6751) is connected to a bellows (6752), the bottom of the bellows (6752) is connected to an air suction pipe (6753), the end of the air suction pipe (6753) away from the bellows (6752) is connected to an air suction nozzle (6754), the outer side of the connecting pipe (6751) is fixedly connected to a fixing plate (6755), the bottom of the fixing plate (6755) is fixedly connected to a snap-on telescopic rod (6756), and the bottom of the snap-on telescopic rod (6756) is fixedly connected to a bottom plate (6757).

7. The double-sided welding equipment for producing a shielding cover according to claim 6, characterized in that: The top of the connecting tube (6751) is connected to the bottom of the annular tube (671), and the connecting tube (6751) is provided in multiple groups, and the multiple groups of connecting tubes (6751) are evenly distributed on the bottom of the annular tube (671). One side of the bottom plate (6757) is fixedly connected to the outer side of the bellows (6752) near the bottom, and the fixing plates (6755) are provided in multiple groups, and the multiple groups of fixing plates (6755) are evenly distributed on the outer side of the connecting tube (6751).

8. The double-sided welding equipment for producing a shielding cover according to claim 1, characterized in that: The tightening device (7) comprises a positioning support plate (71) and a tightening ball (75). A rectangular opening (72) is provided at the top of the positioning support plate (71). A suspension plate (73) is fixedly connected to the bottom of the positioning support plate (71). A sliding plate (74) is penetrated through and slidably connected to one side of the suspension plate (73). A fixed column (76) is penetrated through the interior of the tightening ball (75) and is rotatably connected via a bearing. A transverse plate (77) is sleeved on the outer side of the sliding plate (74) and is fixedly connected. A threaded rod (78) is penetrated through and threadedly connected to one side of the transverse plate (77). A rubber plate (79) is rotatably connected to the bottom of the threaded rod (78) via a bearing. A reset spring (710) is fixedly connected to the side of the suspension plate (73) close to the rectangular opening (72). The top of the reset spring (710) is fixedly connected to the top plate (711).

9. The double-sided welding equipment for producing a shielding cover according to claim 8, characterized in that: One side of the positioning support plate (71) is fixedly connected to the side of the processing table (1) through a bracket, and the sliding plate (74) is provided with two groups. Both ends of the fixing column (76) are fixedly connected to the side of the sliding plate (74), and the top plate (711) is sleeved on the outside of the sliding plate (74) and fixedly connected to the outer wall of the sliding plate (74).

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