Welding device for processing lighting and smoke exhaust skylights

Abstract

The present invention discloses a welding device for processing skylights for lighting and smoke exhaust, which relates to the technical field of skylight welding for lighting and smoke exhaust, and comprises: a frame; a plurality of placement platforms fixedly connected to the frame; a first profile is provided on each placement platform; two movable frames, and a second profile is provided on each movable frame; the second profile can be transported by the process of the two movable frames approaching each other, and at the same time, even if the first profile on the placement platform is not placed neatly, the position of the first profile can be adjusted by a linkage mechanism, and after the position of the first profile is adjusted, the first profile can be avoided to avoid interference between the two; in addition, the first profile can be passively clamped and fixed as the movable frame moves, thereby improving the connection stability between the second profile and the first profile, facilitating the welding operation, and avoiding the problem that the skylight frame is welded first, so that the reinforcing ribs cannot be put into the frame for welding.

Description

Technical Field

[0001] The invention relates to the technical field of lighting and smoke exhaust skylight welding, in particular to a welding device used for processing lighting and smoke exhaust skylights. Background Art

[0002] A skylight is a rooftop ventilation device that combines both lighting and smoke exhaust functions. Typically installed on building roofs, it effectively improves indoor lighting and ventilation while rapidly exhausting smoke and harmful gases in emergencies like fire, ensuring personal safety. Using transparent or translucent materials (such as PC boards, FRP panels, or glass) to create window sashes or flashings, skylights bring natural light into the room, reducing the use of artificial lighting and electricity consumption. They utilize the principles of natural ventilation, taking advantage of the thermal and wind pressure differentials between indoor and outdoor spaces to promote efficient air circulation, improve indoor air quality, and reduce humidity and odor. In emergencies like fire, skylights can quickly open, creating a smoke and heat exhaust channel to expel smoke and harmful gases, facilitating evacuation and fire rescue efforts.

[0003] For example, the publication number is CN212350848U, the publication date is January 15, 2021, and the name is "Welding device for processing skylights for lighting and smoke exhaust", which includes a feeding mechanism for conveying and a width adjustment mechanism for adjusting the welding spacing of window frames and a clamping force adjustment mechanism for adapting to window frames of different widths. The width adjustment mechanism is provided at the lower inner end of the feeding mechanism, a clamping mechanism is provided on the width adjustment mechanism, the clamping force adjustment mechanism is provided on one side of the clamping mechanism, and a welding mechanism is provided on the upper side of the clamping mechanism. The utility model utilizes a width adjustment mechanism to adjust the spacing between two groups of outer fixing frames and inner fixing frames, thereby adapting to window frames of different spacings, utilizes a clamping force adjustment mechanism to adjust the spacing between the outer fixing frame and the inner fixing frame, thereby adapting to window frames of different thicknesses, utilizes the feeding mechanism, the clamping mechanism, and the welding mechanism to cooperate, utilizes automation for welding, and improves processing efficiency.

[0004] In existing technologies such as those described in the aforementioned patents, when welding skylights for lighting and smoke exhaust, four profiles are typically welded together to form a rectangular or square skylight frame. However, in actual use, to ensure the structural strength of the skylight, reinforcing ribs need to be welded inside the skylight frame. However, when welding the reinforcing ribs, since the frame has already been welded and the length of the reinforcing ribs is relatively close to the distance between the two inner sides of the frame, it is difficult to place the reinforcing ribs inside the skylight frame. Summary of the Invention

[0005] The purpose of the present invention is to provide a welding device for processing lighting and smoke exhaust skylights to solve the shortcomings of the above-mentioned prior art.

[0006] In order to achieve the above-mentioned object, the present invention provides the following technical solution: a welding device for processing a lighting and smoke exhaust skylight, comprising:

[0007] frame;

[0008] A plurality of placement platforms are fixedly connected to the frame; each placement platform is provided with a first profile, and both ends of each placement platform are provided with a clamping mechanism for clamping and fixing the first profile thereon;

[0009] Two movable racks are symmetrically slidably connected to the frame; both movable racks are provided with a second profile; both movable racks are provided with a plurality of linkage mechanisms cooperating with the clamping mechanism;

[0010] The two moving frames have centering stroke, clamping stroke and welding position when they approach each other;

[0011] Centering stroke: The two moving frames respectively drive the linkage mechanisms thereon to move synchronously, and each linkage mechanism respectively contacts the end of each first profile, driving each first profile to slide on its corresponding placement table, so that each first profile is respectively located in the center position of its corresponding placement table;

[0012] Clamping stroke: driving each linkage mechanism to avoid the end of the first profile corresponding to it, and making each clamping mechanism located at both ends of the placement table clamp the first profile on its corresponding placement table;

[0013] Welding station: The side surfaces of the two second profiles are in contact with the ends of the first profiles.

[0014] Furthermore, the linkage mechanism includes a fixed plate fixedly connected to the movable frame, the fixed plate fixedly connected to a sliding rod, the sliding rod is slidably connected to the frame, the fixed plate is rotatably connected to a rotating plate, a torsion spring is provided between the rotating plate and the fixed plate, a telescopic plate is horizontally slidably connected in the rotating plate, the telescopic plate abuts against the end of the first profile, a first spring is provided between the telescopic plate and the inner wall of the fixed plate, an oblique groove is provided on the telescopic plate, a lifting rod is vertically slidably connected in the rotating plate, the lifting rod is slidably connected in the oblique groove, a locking plate is fixedly connected to the lifting rod, and an arc plate is fixedly connected to the fixed plate, the locking plate passes through the rotating plate and is plugged into the fixed plate, and the end of the locking plate abuts against the arc plate.

[0015] Furthermore, the clamping mechanism includes two rotating shafts fixedly connected to the placing table, and clamping jaws are respectively rotatably connected to the two rotating shafts. A second spring is provided between the two clamping jaws, and abutment rods are fixedly connected to the two clamping jaws. A lower pressure plate is vertically slidably connected to the frame, and the lower pressure plate is slidably abutted against the arc plate. Two clamping grooves are provided on the lower pressure plate, and the two abutment rods are slidably abutted against the two clamping grooves respectively corresponding to each other.

[0016] Furthermore, a reset mechanism is provided between two adjacent fixed plates on the same movable frame, and each reset mechanism includes a cross bar fixedly connected between the two adjacent fixed plates. The reset plate is fixedly connected to the frame, and the reset plate and the cross bar are slidably abutted.

[0017] Furthermore, the reset plate has a contact inclined surface and a vertical plane.

[0018] Furthermore, it also includes a driving mechanism, which includes a turntable rotatably connected to the frame, two connecting rods rotatably connected to the turntable, and two sliding rods located at the central positions of the two moving frames are rotatably connected to the ends of the two connecting rods.

[0019] Furthermore, a through slot for the slide rod to slide is provided on the frame.

[0020] Furthermore, the movable frame has a plurality of supporting planes for supporting the second profile.

[0021] Furthermore, the placement table is arranged in a U-shape, and is provided with a plurality of rollers that rotate and abut against the first profile.

[0022] Furthermore, the rotating plate is provided with a blind groove for the lifting rod to slide, and a vertical groove for the locking plate to slide.

[0023] In the above technical solution, the welding device for processing skylights for lighting and smoke exhaust provided by the present invention can transport the second profile by the process of two movable frames approaching each other. At the same time, even if the first profile on the placement table is not placed neatly, the position of the first profile can be adjusted by the linkage mechanism, and after the position of the first profile is adjusted, it can avoid the first profile, thereby avoiding interference between the two; in addition, as the movable frame moves, the first profile can be passively clamped and fixed, thereby improving the connection stability between the second profile and the first profile, facilitating welding operations, and avoiding the problem that the skylight frame is welded first, so that the reinforcing ribs cannot be placed in the frame for welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0025] Figure 1 A schematic diagram of the overall structure of the first perspective provided by an embodiment of the present invention;

[0026] Figure 2 A schematic structural diagram of another perspective provided by an embodiment of the present invention;

[0027] Figure 3 A schematic structural diagram of the movable frame, linkage mechanism, reset mechanism, and drive mechanism provided in an embodiment of the present invention;

[0028] Figure 4 A schematic diagram of the internal structure of the mobile frame and linkage mechanism provided in an embodiment of the present invention;

[0029] Figure 5 A schematic cross-sectional view of a rotating plate according to an embodiment of the present invention;

[0030] Figure 6 A bottom view of the frame and a schematic diagram of the drive mechanism structure provided by an embodiment of the present invention;

[0031] Figure 7 A schematic diagram of the structure of a placement table and a clamping mechanism provided in an embodiment of the present invention;

[0032] Figure 8 A schematic diagram of a partially enlarged structure of location B provided in an embodiment of the present invention;

[0033] Figure 9 This is a schematic diagram of the locally enlarged structure of point A provided in an embodiment of the present invention.

[0034] Description of reference numerals:

[0035] 1. Frame; 11. Through slot; 2. Placement table; 3. Moving frame; 31. Support plane; 4. Linkage mechanism; 41. Fixed plate; 42. Slide bar; 43. Rotating plate; 431. Blind slot; 432. Vertical slot; 44. Telescopic plate; 441. Oblique slot; 45. First spring; 46. Lifting rod; 47. Locking plate; 48. Arc plate; 5. Clamping mechanism; 51. Rotating shaft; 52. Clamping claw; 53. Second spring; 54. Abutting rod; 55. Lower pressure plate; 551. Clamping slot; 6. Resetting mechanism; 61. Cross bar; 62. Resetting plate; 621. Abutting inclined plane; 622. Vertical plane; 7. Driving mechanism; 71. Turntable; 72. Connecting rod. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] See also Figure 1-9 The welding device for processing a skylight for lighting and smoke exhaust provided in an embodiment of the present invention includes: a frame 1; a plurality of placement tables 2, which are fixedly connected to the frame 1; each placement table 2 is provided with a first profile, and each placement table 2 is provided with a clamping mechanism 5 at both ends for clamping and fixing the first profile thereon.

[0038] As a preferred embodiment: The placement table 2 is arranged in a U-shape, and the U-shaped opening is arranged vertically upward. The first profile is arranged inside the U-shaped opening. A plurality of rollers that are rotationally abutted and cooperated with the first profile are arranged on the placement table 2. It can be understood that the rollers are arranged inside the U-shaped opening and are located below the first profile. By the rotation of the rollers, the friction between the first profile and the placement table 2 can be reduced, so as to facilitate the movement of the first profile and make the first profile located at the center position of the placement table 2, and adjust the position of the first profile for the subsequent welding of the frame and reinforcing ribs of the daylighting and smoke exhaust skylight.

[0039] Two moving frames 3, which are symmetrically slidably connected to the machine frame 1; Second profiles are arranged on both of the two moving frames 3; A plurality of linkage mechanisms 4 that cooperate with the clamping mechanism 5 are arranged on both of the two moving frames 3; The moving frame 3 has a plurality of support planes 31 for supporting the second profile.

[0040] Those skilled in the art can understand that: As Figure 2 shown in the state, the two first profiles located on the outermost side and the two second profiles of the two moving frames 3 are connected, so that the two first profiles and the two second profiles form the frame of the daylighting and smoke exhaust skylight, and the remaining other first profile located in the middle position is the reinforcing rib, which is synchronously welded with the frame of the daylighting and smoke exhaust skylight while the welding operation is carried out, thus avoiding the problem that the frame of the daylighting and smoke exhaust skylight is welded first, resulting in the difficulty of putting the reinforcing rib into the frame of the daylighting and smoke exhaust skylight and further causing the difficulty of welding the reinforcing rib.

[0041] During the process of the two moving frames 3 approaching each other, there are a centering stroke, a clamping stroke, and a welding station;

[0042] Centering stroke: The two moving frames 3 respectively drive the linkage mechanisms 4 thereon to move synchronously. Each linkage mechanism 4 respectively abuts against the end of each first profile, driving each first profile to slide on its corresponding placement table 2, so that each first profile is respectively located at the center position of its corresponding placement table 2;

[0043] Clamping stroke: Drive each linkage mechanism 4 to avoid the end of its corresponding first profile, and make each clamping mechanism 5 located at both ends of the placement table 2 clamp the first profile on its corresponding placement table 2;

[0044] Welding station: The sides of the two second profiles respectively abut against the ends of each first profile.

[0045] Those skilled in the art can understand that: During the process of the two moving frames 3 moving away from each other, there is a reset stroke; This reset stroke drives the rotating plate 43 to rotate 90 degrees clockwise around its rotation axis with the fixed plate 41, so that the rotating plate 43 is reset from the horizontal state to the vertically erected state in the initial state.

[0046] In the embodiment of the present invention, the linkage mechanism 4 includes a fixed plate 41 fixedly connected to the mobile frame 3, a slide rod 42 fixedly connected to the fixed plate 41, and the slide rod 42 is slidably connected to the frame 1; specifically, a through slot 11 for sliding the slide rod 42 is opened on the frame 1, and the opening direction of the through slot 11 is perpendicular to the mobile frame 3; a rotating plate 43 is rotatably connected to the fixed plate 41, and a torsion spring is provided between the rotating plate 43 and the fixed plate 41; in the drawings of the specification, the torsion spring is not shown; as shown in FIG. Figure 4 In the state shown, at this time, the torsion spring is in an elastic deformation state, and the elastic force of the torsion spring restores the elastic deformation, driving the rotating plate 43 to rotate 90 degrees counterclockwise with its rotation axis with the fixed plate 41 as the center, so that the rotating plate 43 rotates from a vertical state to a horizontal state. The vertical height of the rotating plate 43 is reduced after the rotation, and the interference between the rotating plate 43 and the end of the first profile can be avoided during the movement of the mobile frame 3; a telescopic plate 44 is connected to the rotating plate 43 in a transverse sliding manner, and the telescopic plate 44 abuts against the end of the first profile. A first spring 45 is provided between the telescopic plate 44 and the inner wall of the fixed plate 41; specifically, the first spring 4 5 is a compression spring; the elastic deformation of the first spring 45 drives the telescopic plate 44 to slide toward the inside of the fixed plate 41; the telescopic plate 44 is provided with an oblique groove 441, and a lifting rod 46 is vertically slidably connected in the rotating plate 43. The lifting rod 46 is slidably connected in the oblique groove 441, and a locking plate 47 is fixedly connected to the lifting rod 46. An arc plate 48 is fixedly connected to the fixed plate 41. The locking plate 47 passes through the rotating plate 43 and is plugged into the fixed plate 41, and the end of the locking plate 47 is in abutment with the arc plate 48. It can be understood that the fixed plate 41 is provided with an insertion groove, and the insertion groove is plugged into the end of the locking plate 47.

[0047] Specifically, the rotating plate 43 is provided with a blind groove 431 for the lifting rod 46 to slide, and a vertical groove 432 for the locking plate 47 to slide.

[0048] It should be pointed out that: through the setting of the arc plate 48, after the locking plate 47 is pulled out from the plug-in slot of the fixed plate 41, the rotating plate 43 is rotated 90 degrees counterclockwise about its rotation axis. As the rotation proceeds, the end of the locking plate 47 slides and abuts against the side of the arc plate 48 close to the rotating plate 43. It is also through the abutment cooperation between the locking plate 47 and the arc plate 48 that when the rotating plate 43 is rotated 90 degrees clockwise for reset, the end of the locking plate 47 can slide along the arc surface of the arc plate 48 and slide into the plug-in slot on the fixed plate 41, thereby completing the reset.

[0049] The clamping mechanism 5 includes two rotating shafts 51 fixedly connected to the placing table 2, and the two rotating shafts 51 are respectively rotatably connected with clamping jaws 52. A second spring 53 is provided between the two clamping jaws 52, and the two clamping jaws 52 are fixedly connected with abutment rods 54. A lower pressure plate 55 is vertically slidably connected to the frame 1. The lower pressure plate 55 is in sliding abutment with the arc plate 48. Two clamping grooves 551 are provided on the lower pressure plate 55, and the two abutment rods 54 are respectively slidably abutted with the two clamping grooves 551 correspondingly.

[0050] It is worth noting that a fixed base (not shown in the figure) is provided on the frame 1 for the vertical lifting and lowering of the lower pressure plate 55; when the lower pressure plate 55 moves vertically downward, the two clamping jaws 52 are driven to rotate through the cooperation of the clamping groove 551 and the abutment rod 54, and the ends of the two clamping jaws 52 jointly clamp the first profile, thereby fixing the first profile and providing a stable welding environment for the subsequent welding operation.

[0051] The working principle of the linkage mechanism 4 and the clamping mechanism 5 is as follows: Figure 1 、 Figure 2 The movable frame 3 drives the fixed plate 41 to move together. Figure 1The first profile in it is placed randomly, and the ends of the first profile are not on the same straight line, that is: the first profile is not located at the center position of the placement table 2; as the moving frame 3 moves, the telescopic plate 44 first contacts the end of the first profile, and through the cooperation of the rollers on the placement table 2 and the first profile, and the two telescopic plates 44 simultaneously limit the movement of the first profile, driving the first profile to move to the center position on the placement table 2; immediately afterwards, since the moving frame 3 is still sliding, and at this time the first profile is already located at the center position of the placement table 2, so the abutting force between the telescopic plate 44 and the first profile will drive the telescopic plate 44 to slide into the inside of the rotating plate 43 and compress the first spring 45. Through the cooperation of the inclined groove 441 and the blind groove 431 with the lifting rod 46, the lifting rod 46 and the locking plate 47 are driven to move vertically upwards synchronously, so that the end of the locking plate 47 is pulled out from the insertion slot of the fixing plate 41. After being pulled out, the torsion spring between the rotating plate 43 and the fixing plate 41 restores its elastic deformation, driving the rotating plate 43 to rotate counterclockwise by 90 degrees, so that the rotating plate 43 changes from the vertical state to the horizontal state, thereby reducing the height of the rotating plate 43 and enabling it to avoid the first profile. As the moving frame 3 continues to slide, the arc plate 48 will abut against the lower pressing plate 55. It should be noted that: taking the arc midpoint of the arc plate 48 as the boundary, the arc plate 48 is divided into an obliquely upward section and an obliquely downward section. At this time, the obliquely downward section of the arc plate 48 abuts against the lower pressing plate 55, driving the lower pressing plate 55 to move vertically downwards, thereby带动两两夹爪52共同对第一型材进行夹持,随着移动架3继续移动,直至第一型材的端部与第二型材的侧面抵接,由焊接装置对第一型材与第二型材的连接位置处进行焊接,其中,焊接装置为现有技术,再次不过多赘述。

[0052] In the embodiment of the present invention: a reset mechanism 6 is provided between adjacent two fixing plates 41 on the same moving frame 3. The reset mechanism 6 is used to drive the rotating plate 43 to rotate and reset. Each reset mechanism 6 includes a cross bar 61 fixedly connected between adjacent two fixing plates 41. A reset plate 62 is fixedly connected to the frame 1, and the reset plate 62 is in sliding abutting cooperation with the cross bar 61.

[0053] Specifically, the reset plate 62 has an abutting inclined surface 621 and a vertical plane 622.

[0054] It must be pointed out that: in order to avoid interference between the moving frame 3 and the reset plate 62 during the movement of the moving frame 3, the position on the moving frame 3 corresponding to the reset plate 62 adopts a C-shaped structure (not shown in the figure), and the opening of the C-shaped structure is arranged downward. When the moving frame 3 moves to the position of the reset plate 62, the reset plate 62 is located inside the opening of the C-shaped structure and can avoid the C-shaped structure of the moving frame 3.

[0055] It should be noted that there is an unclear part in the original text "带动两两夹爪52共同对第一型材进行夹持", and the translation is temporarily processed according to the literal meaning. It is recommended to check and clarify the accurate expression for a more accurate translation.When the movable frame 3 slides in the opposite direction to reset, the cross bar 61 abuts against the abutting inclined surface 621 and the vertical plane 622, so that the cross bar 61 can drive the rotating plate 43 to rotate and reset. During the process of rotating the rotating plate 43 rotating and resetting, the end of the locking plate 47 slides from the arc surface of the arc plate 48 into the plug-in groove of the fixed plate 41, thereby completing the rotation and reset of the rotating plate 43.

[0056] In an embodiment of the present invention, a driving mechanism 7 is also included, which is used to drive the mobile frame 3 to slide along the first direction and the second direction respectively; it includes a turntable 71 rotatably connected to the frame 1, and two connecting rods 72 are rotatably connected to the turntable 71. The two sliding rods 42 located at the central positions on the two mobile frames 3 are respectively rotatably connected to the ends of the two connecting rods 72.

[0057] Specifically, in an embodiment of the present invention, a driving source for driving the turntable 71 to rotate forward and reverse is further included. The driving source is a motor, and the output end of the motor is fixedly connected to the turntable 71 .

[0058] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims.

Claims

1. A welding device for processing lighting and smoke exhaust skylights, characterized in that: include: Rack (1); A plurality of placement platforms (2) are fixedly connected to the frame (1); a first profile is provided on each placement platform (2), and a clamping mechanism (5) for clamping and fixing the first profile thereon is provided at both ends of each placement platform (2); Two movable frames (3) are symmetrically slidably connected to the frame (1); the two movable frames (3) are both provided with a second profile; the two movable frames (3) are both provided with a plurality of linkage mechanisms (4) that cooperate with the clamping mechanism (5); The linkage mechanism (4) includes a fixed plate (41) fixedly connected to the mobile frame (3), a slide rod (42) fixedly connected to the fixed plate (41), the slide rod (42) slidably connected to the frame (1), a rotating plate (43) rotatably connected to the fixed plate (41), a torsion spring is provided between the rotating plate (43) and the fixed plate (41), a telescopic plate (44) is laterally slidably connected in the rotating plate (43), the telescopic plate (44) is in contact with the end of the first profile, and the telescopic plate (44) and the inner wall of the rotating plate (43) are in contact with each other. A first spring (45) is provided between the rotating plate (43), an inclined groove (441) is provided on the telescopic plate (44), a lifting rod (46) is vertically slidably connected in the rotating plate (43), the lifting rod (46) is slidably connected in the inclined groove (441), a locking plate (47) is fixedly connected to the lifting rod (46), an arc plate (48) is fixedly connected to the fixed plate (41), the locking plate (47) passes through the rotating plate (43) and is plugged into the fixed plate (41), and the end of the locking plate (47) is in contact with the arc plate (48); The two movable frames (3) have a centering stroke, a clamping stroke, and a welding station during the process of approaching each other; Centering stroke: the two moving frames (3) respectively drive the linkage mechanisms (4) thereon to move synchronously, and each linkage mechanism (4) respectively contacts the end of each first profile, driving each first profile to slide on its corresponding placement platform (2), so that each first profile is located at the center position of its corresponding placement platform (2); Clamping stroke: driving each linkage mechanism (4) to avoid the end of the first profile corresponding to it, and causing each clamping mechanism (5) located at both ends of the placement platform (2) to clamp the first profile on the placement platform (2) corresponding to it; Welding station: The side surfaces of the two second profiles are in contact with the ends of the first profiles.

2. The welding device for processing a skylight for lighting and smoke exhaust according to claim 1 is characterized in that: The clamping mechanism (5) includes two rotating shafts (51) fixedly connected to the placement table (2), and clamping claws (52) are rotatably connected to the two rotating shafts (51). A second spring (53) is provided between the two clamping claws (52). A contact rod (54) is fixedly connected to the two clamping claws (52). A lower pressure plate (55) is vertically slidably connected to the frame (1). The lower pressure plate (55) and the arc plate (48) are slidably abutted. Two clamping grooves (551) are provided on the lower pressure plate (55), and the two abutting rods (54) are slidably abutted against the two clamping grooves (551) in a one-to-one correspondence.

3. The welding device for processing a skylight for lighting and smoke exhaust according to claim 1, characterized in that: A reset mechanism (6) is provided between two adjacent rotating plates (43) located on the same moving frame (3). Each reset mechanism (6) includes a cross bar (61) fixedly connected between the two adjacent rotating plates (43). A reset plate (62) is fixedly connected to the frame (1), and the reset plate (62) is in sliding abutment with the cross bar (61).

4. The welding device for processing a skylight for lighting and smoke exhaust according to claim 3 is characterized in that: The reset plate (62) has an abutting inclined surface (621) and a vertical plane (622).

5. The welding device for processing a skylight for lighting and smoke exhaust according to claim 1, characterized in that: It further includes a driving mechanism (7), which includes a turntable (71) rotatably connected to the frame (1). Two connecting rods (72) are rotatably connected to the turntable (71). Two sliding rods (42) located at the central positions of the two moving frames (3) are respectively rotatably connected to the ends of the two connecting rods (72).

6. The welding device for processing a skylight for lighting and smoke exhaust according to claim 1, characterized in that: A through groove (11) for the sliding of the sliding rod (42) is formed in the frame (1).

7. The welding device for processing a skylight for lighting and smoke exhaust according to claim 1, characterized in that: The moving frame (3) has a plurality of support planes (31) for supporting the second profile.

8. The welding device for processing a lighting and smoke exhaust skylight according to claim 1, characterized in that: The placing table (2) is arranged in a U shape, and the U-shaped opening is arranged vertically upward. A plurality of rollers for rotatably abutting against the first profile are arranged on the placing table (2).

9. The welding device for processing a skylight for lighting and smoke exhaust according to claim 1, characterized in that: A blind groove (431) for the sliding of the lifting rod (46) and a vertical groove (432) for the sliding of the locking plate (47) are formed in the rotating plate (43).

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