CN213969728U

CN213969728U - Positioning device applied to skylight reinforcing ring nut welding

Info

Publication number: CN213969728U
Application number: CN202022984771.2U
Authority: CN
Inventors: 薛颜开
Original assignee: Wuhan Maixin Automobile Mould Co ltd
Current assignee: Wuhan Maixin Automobile Mould Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-17
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a be applied to skylight beaded finish welded positioner, which comprises a base frame, be provided with the horizontally mounting panel on the chassis, be provided with a plurality of supports that are used for supporting the skylight beaded finish on the mounting panel, it is a plurality of the support distribute in the border all around of mounting panel, still be provided with the locating pin that is used for advancing line location to the skylight beaded finish on the mounting panel, it is provided with the locating lever to slide on the mounting panel, the vertical setting of locating lever just slides along the horizontal direction set up in on the mounting panel, the locating lever with be provided with between the mounting panel and be used for making the locating lever with the mounting panel keeps fixed subassembly, the vertical setting of locating pin just slides along vertical direction set up in on the locating lever. The utility model discloses have the sunroof beaded finish to various different models and can both play the effect of positioning action.

Description

Positioning device applied to skylight reinforcing ring nut welding

Technical Field

The utility model belongs to the technical field of the technique of automobile parts processing equipment and specifically relates to a be applied to skylight beaded finish nut welded positioner.

Background

Automobile skylight is installed in the roof, can make the circulation of air in the car effectively, increases fresh air's entering, is the important configuration that promotes whole car travelling comfort, and the skylight is installed at the skylight opening part of top cap planking, and the skylight opening makes the intensity of top cap planking in skylight department comparatively weak, for providing good installation environment for the skylight, can set up the beaded finish on the top cap planking of skylight opening part usually and strengthen the skylight. In order to facilitate the installation of the skylight reinforcing ring, a nut needs to be welded on the skylight reinforcing ring during processing, the skylight reinforcing ring is large, two persons are needed to cooperate to support the skylight reinforcing ring during the nut welding process, one person can operate the skylight reinforcing ring, the labor intensity of the welding mode is high, and the production efficiency is low.

In order to solve the technical problems, a Chinese patent with a patent publication number of CN104400289A is searched, and a supporting device for welding a reinforcing ring of an automobile skylight is disclosed, which comprises a bottom bracket frame, a supporting rod and a bracket; the supporting rod is at least one, the lower end of the supporting rod is fixedly connected with the bottom support frame, and a supporting plate which is horizontally arranged is fixed above the supporting rod; the bracket comprises a supporting plate at the middle part and an annular frame outside the supporting plate, the annular frame is fixedly connected with the supporting plate through a plurality of connecting rods horizontally arranged, and the supporting plate is positioned above the supporting plate and is connected with the supporting plate through a vertically arranged rotating shaft.

At present, when the nut welding work of the automobile skylight reinforcing ring is carried out, a mechanical arm is generally adopted to clamp the automobile skylight reinforcing ring and is welded through a welding machine, and due to the program setting of the mechanical arm, the movement path of the mechanical arm is fixed and unchanged according to the welding position, the clamping position of the mechanical arm on the skylight reinforcing ring needs to be kept unchanged, the skylight reinforcing ring is usually placed on a positioning frame, so that the relative position of the skylight reinforcing ring is kept unchanged, and the mechanical arm is convenient to clamp and fix the skylight reinforcing ring at a specific clamping position. In the prior art, a positioning pin is usually disposed on the positioning frame, and the positioning pin is positioned by matching with a positioning hole on the skylight reinforcing ring. However, various types of automobile skylight reinforcing rings can be processed in the actual production process, and the positions of the positioning holes of the skylight reinforcing rings of different types are different, so that the positions of the positioning holes on the positioning frame are different. However, in the prior art, the position of the positioning pin is usually fixed and cannot be adjusted according to the model of the skylight reinforcing ring, so the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a be applied to skylight beaded finish nut welded positioner can both play the positioning action to the sunroof beaded finish of different models.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: be applied to skylight beaded finish welded positioner, including the chassis, be provided with the horizontally mounting panel on the chassis, be provided with a plurality of supports that are used for supporting the skylight beaded finish on the mounting panel, it is a plurality of the support distribute in the border all around of mounting panel, still be provided with the locating pin that is used for advancing line location to the skylight beaded finish on the mounting panel, it is provided with the locating lever to slide on the mounting panel, the vertical setting of locating lever just slides along the horizontal direction and sets up in on the mounting panel, the locating lever with be provided with between the mounting panel and be used for making the locating lever with the mounting panel keeps fixed subassembly, the vertical setting of locating pin just slides along the vertical direction and set up in on the locating lever.

By adopting the technical scheme, when the automobile skylight reinforcing ring is subjected to the nut welding process, the skylight reinforcing ring is placed on the plurality of supports on the mounting plate, the skylight reinforcing ring is adjusted to the position convenient for clamping the mechanical arm according to the type of the skylight reinforcing ring and the position of the welding point of the skylight reinforcing ring, so that the mechanical arm is clamped at the clamping position in the program setting, the positioning rod is slid to adjust the position of the positioning pin to correspond to the position of the positioning hole in the skylight reinforcing ring, the positioning rod is fixed with the mounting plate through the fixing assembly, the position of the positioning pin is fixed, and the subsequent skylight reinforcing rings of the same type are conveniently positioned; after the position of the positioning pin is adjusted, the skylight reinforcing ring is clamped to a welding machine through the mechanical arm, the nut is welded at the specified position, the next skylight reinforcing ring to be welded is placed on the positioning frame during welding, the relative position of each skylight reinforcing ring on the positioning frame is the same through the matching of the positioning pin and the positioning hole, therefore, the positions of the mechanical arm on the skylight reinforcing ring are the same, and the welding point of the welding nut is fixed and unchanged. The positioning device comprises a positioning frame, a positioning rod, a fixing assembly, a positioning assembly and a nut, wherein the positioning rod is arranged on the positioning frame in a sliding mode; the vertical slip setting of locating pin on the locating lever, can play the positioning action to the skylight beaded finish when it upwards slides, make things convenient for the arm to take off the skylight beaded finish from the locating rack when the locating pin slides down.

The present invention may be further configured in a preferred embodiment as: a sliding groove matched with the positioning rod in a sliding way is arranged on the mounting plate along the horizontal direction, the positioning rod is arranged in the sliding groove in a sliding way, the two side walls of the sliding groove are provided with limit grooves communicated with the sliding groove along the length direction near the bottom, the two sides of the positioning rod close to the bottom end are provided with slide blocks which are arranged in the limiting grooves in a sliding way, the fixing component comprises a fixing rod which is arranged horizontally and is arranged on the positioning rod in a sliding way along the horizontal direction, the axial direction of the fixed rod is vertical to the length direction of the sliding chute, a plurality of fixed holes which are matched with the fixed rod in an inserted manner are arranged on the side wall of the sliding chute along the length direction, the fixing assembly further comprises a driving piece and an elastic piece, the driving piece drives the fixing rod to slide to be inserted into the fixing hole, and the elastic piece drives the fixing rod to slide to be separated from the fixing hole.

By adopting the technical scheme, the limiting groove and the sliding block are arranged, so that the positioning rod can only slide on the mounting plate along the length direction of the sliding groove, and the supporting effect on the positioning rod is achieved; when the position of the positioning pin needs to be adjusted, the elastic piece enables the fixing rod not to be in inserting fit with the fixing hole, and the positioning rod is slid along the length direction of the sliding chute, so that the position of the positioning pin is adjusted according to the model of the skylight reinforcing ring to enable the positioning pin to correspond to the positioning hole; when the locating lever slides to locating pin position and skylight beaded finish when the locating hole corresponds, slide to pegging graft in the fixed orifices through driving piece drive dead lever, carry on spacingly at the horizontal direction to the locating lever, the locating lever can not slide in the spout to the position that makes the locating pin keeps fixed unchangeable, and then plays the positioning action to the skylight beaded finish of same model.

The present invention may be further configured in a preferred embodiment as: the locating lever is hollow structure, the driving piece includes that the screw thread wears to locate actuating lever in the locating lever, the bottom of actuating lever sets up to the coniform that the diameter reduces gradually from top to bottom, the dead lever slides and wears to locate on the lateral wall of locating lever, the axis of dead lever with the axis of locating lever is perpendicular and crossing, the length of dead lever is greater than the wall thickness of locating lever just is less than the outer radius of locating lever.

Through adopting above-mentioned technical scheme, after the locating pin position adjustment was accomplished, rotate the actuating lever and make the actuating lever to being close to the mounting panel motion, because the conical setting of actuating lever tip, make the dead lever to keeping away from the motion of locating lever direction during the actuating lever downstream, peg graft in the fixed orifices until the dead lever, accomplish the relative fixation with locating lever and mounting panel promptly. Convenient operation can realize the fixed connection of locating lever and mounting panel fast.

The present invention may be further configured in a preferred embodiment as: the inner wall of locating lever seted up with the coaxial mounting groove of dead lever, the elastic component is including being located in the mounting groove and the cover is located pressure spring on the dead lever, the both ends of pressure spring respectively fixed connection in on the dead lever with the bottom of mounting groove, when the pressure spring is under natural state, the dead lever is kept away from the one end of actuating lever does not bulge the outer wall of locating lever.

By adopting the technical scheme, when the pressure spring is in a natural state, one end of the fixed rod, which is far away from the driving rod, does not protrude out of the outer wall of the positioning rod, and at the moment, the positioning rod can slide in the chute on the mounting plate, so that the position of the positioning pin can be adjusted; when the actuating lever made the dead lever slide to pegging graft in the fixed orifices, the pressure spring was in under the compression state, when needing to adjust the locating pin position once more, rotated the actuating lever and made it to keeping away from the mounting panel motion, the dead lever slided until keeping away from the outer wall of the one end non-protrusion locating lever of actuating lever under the effect that the pressure spring resumes deformation's power this moment, can slide the locating lever and adjust the position of locating pin. The positioning device is simple in structure and easy to implement, and can automatically enable the positioning rod to be separated from the mounting plate in a fixed state, so that the efficiency of the positioning pin position adjustment work is improved.

The present invention may be further configured in a preferred embodiment as: and one end of the fixed rod, which is close to the driving rod, is provided with a ball.

Through adopting above-mentioned technical scheme, the setting up of ball makes its difficult card that takes place when being close to the fixed orifices slip of actuating lever drive pause, improves the stability of structure.

The present invention may be further configured in a preferred embodiment as: the upper end of the driving rod penetrates out of the positioning rod, and a handle is arranged at the end part of the driving rod.

Through adopting above-mentioned technical scheme, the setting up of handle conveniently rotates the actuating lever to the cooperation of pegging graft with the fixed orifices is made the locating lever fixed with the mounting panel in the slip of drive dead lever.

The present invention may be further configured in a preferred embodiment as: the upper end of locating lever is fixed with the horizontally backup pad, the locating pin slides and wears to locate in the backup pad, on the locating lever in the below of backup pad still is provided with and drives actuating cylinder, the vertical upwards setting of piston rod that drives actuating cylinder, the coaxial fixed connection of locating pin in drive on actuating cylinder's the piston rod.

Through adopting above-mentioned technical scheme, through the vertical slip that drives actuating cylinder drive locating pin, when needs are fixed a position skylight beaded finish, drive actuating cylinder piston rod and extend and make the locating pin go up slide to with the locating hole cooperation location of skylight beaded finish, when the skylight beaded finish is got to the arm clamp of machinery, drive actuating cylinder piston rod shrink and make the locating pin gliding to make things convenient for the arm to get skylight beaded finish with the clamp. The movement of being convenient for control its through circuit system and arm cooperatees, improves skylight beaded finish nut welding work's efficiency.

The present invention may be further configured in a preferred embodiment as: the locating pin with the locating lever in be provided with two sets ofly on the mounting panel, two sets of locating pins and locating lever are located the relative both sides of mounting panel respectively.

Through adopting above-mentioned technical scheme, two sets of locating pins and locating lever are fixed a position the both sides of skylight beaded finish, improve the positioning accuracy of locating rack.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the positioning device has the advantages that the positioning pin can be adjusted in position through the sliding arrangement of the positioning rod, so that various types of skylight reinforcing rings are positioned, meanwhile, the positioning rod and the mounting plate are kept fixed through the insertion matching of the fixing rod and the fixing hole, so that the relative positions of the skylight reinforcing rings of the same type on the positioning frame are kept unchanged, the welding position is not prone to shift during nut welding, and the product quality is guaranteed;

2. the vertical slip setting of locating pin, when going up to the locating hole cooperation with the skylight beaded finish on driving actuating cylinder drive locating pin, realize the positioning action to the skylight beaded finish, drive actuating cylinder drive locating pin gliding to when breaking away from with the locating hole, make things convenient for the arm to press from both sides the skylight beaded finish and press from both sides and get in order to carry out nut weldment work, and through the motion of driving actuating cylinder control locating pin, be convenient for cooperate with the motion of arm through circuit system control its, improve skylight beaded finish nut weldment work's efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional view of the fixing assembly of the present invention.

In the figure, 1, a chassis; 2. mounting a plate; 21. a chute; 22. a limiting groove; 23. a fixing hole; 3. a support; 4. positioning pins; 5. a driving cylinder; 6. positioning a rod; 61. a slider; 62. mounting grooves; 7. a fixing assembly; 71. fixing the rod; 72. a drive rod; 73. and (5) pressing a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the positioning device applied to the welding of the skylight reinforcing ring nut, disclosed by the invention, comprises an underframe 1 fixed on the ground, wherein a horizontal mounting plate 2 is fixedly arranged on the underframe 1, and two through holes are formed in the middle of the mounting plate 2 for saving materials; be provided with a plurality of supports 3 that are used for supporting the skylight beaded finish on the mounting panel 2, a plurality of supports 3 distribute in the border all around of mounting panel 2, still slide on the mounting panel 2 to be provided with and be used for carrying out the locating pin 4 of fixing a position to the skylight beaded finish. The skylight reinforcing rings are placed on the plurality of supports 3 on the mounting plate 2, supported through the supports 3, and the positions of the skylight reinforcing rings are adjusted, so that the mechanical arms are in a program set state when being clamped, the positioning pins 4 are slid to correspond to the positioning holes, and then the skylight reinforcing rings which are processed subsequently are positioned.

Referring to fig. 1 and 2, two positioning rods 6 are slidably disposed on two sides of the upper surface of the mounting plate 2 in the length direction, the positioning rods 6 are vertically disposed and slidably disposed on the mounting plate 2 along the width direction of the mounting plate 2, a sliding groove 21 for slidably disposing the positioning rods 6 is disposed on the mounting plate 2 along the width direction, and the positioning rods 6 are slidably disposed in the sliding groove 21; the both sides wall of spout 21 is close to bottom department and sets up the spacing groove 22 that communicates in spout 21 along its length direction, and the both sides that locating lever 6 is close to the bottom are fixed with the slider 61 that slides and set up in spacing groove 22. Locating pin 4 slides and sets up on locating lever 6, and the fixed horizontally backup pad that is provided with in one side of 2 width direction of mounting panel is followed to the upper end of locating lever 6, and on locating pin 4 vertical setting and the slip were worn to locate the backup pad, still fixed being provided with under the backup pad on locating lever 6 drives actuating cylinder 5, drive actuating cylinder 5's piston rod vertical upwards and with the coaxial fixed connection of locating pin 4. The sliding groove 21 is arranged to enable the positioning rod 6 to only slide along the length direction of the sliding groove 21 on the mounting plate 2, so that the position of the positioning pin 4 is adjusted to correspond to the positioning hole of the skylight reinforcing ring, and meanwhile, the limiting block and the limiting groove 22 play a certain supporting effect on the positioning rod 6 to prevent the positioning pin 4 from inclining; through driving 5 vertical slides on locating lever 6 of drive cylinder drive locating pin 4, can play the positioning action to the skylight beaded finish when its upwards slides, make things convenient for the arm to take off the skylight beaded finish from the locating rack when locating pin 4 slides down.

Referring to fig. 1 and 2, a fixing unit 7 for fixing the positioning rod 6 to the mounting plate 2 is provided between the positioning rod 6 and the mounting plate 2. The positioning rod 6 is of a hollow structure, a cylindrical cavity with a vertical axis is formed in the middle of the positioning rod 6, the fixing assembly 7 comprises a fixing rod 71 which is horizontally arranged and penetrates through the side wall of the positioning rod 6 in a sliding mode along the horizontal direction, the axis direction of the fixing rod 71 is perpendicular to and intersected with the axis of the cavity of the positioning rod 6, and the axis direction of the fixing rod 71 is perpendicular to the length direction of the sliding groove 21; a plurality of fixing holes 23 matched with the fixing rods 71 in an inserted manner are formed in the side wall of the sliding groove 21 along the length direction of the sliding groove, and the plurality of fixing holes 23 are distributed at equal intervals along the length direction of the sliding groove 21. The fixing assembly 7 further includes a driving member for driving the fixing rod 71 to slide into the fixing hole 23, and an elastic member for driving the fixing rod 71 to slide out of the fixing hole 23. When the position of the positioning pin 4 needs to be adjusted, the elastic piece enables the fixing rod 71 not to be in inserting fit with the fixing hole 23, and the positioning rod 6 is slid along the length direction of the sliding groove 21, so that the position of the positioning pin 4 is adjusted according to the model of the skylight reinforcing ring to be corresponding to the position of the positioning hole; when locating lever 6 slides to locating pin 4 position and skylight beaded finish when the locating hole corresponds, slide to pegging graft in fixed orifices 23 through driving piece drive dead lever 71, carry on spacingly to locating lever 6 at the horizontal direction, locating lever 6 can not slide in spout 21 to make the position of locating pin 4 remain fixed unchangeable, and then play the positioning action to the skylight beaded finish of same model.

Referring to fig. 1 and 2, the driving member includes a driving rod 72 threaded through the positioning rod 6, the bottom end of the driving rod 72 is set to be conical with a diameter gradually decreasing from top to bottom, the upper end of the driving rod 72 penetrates out of the positioning rod 6 and is fixedly provided with a handle, and the length of the fixing rod 71 is greater than the wall thickness of the positioning rod 6 and smaller than the distance between the axis of the positioning rod 6 and the outer wall thereof. The inner wall of locating lever 6 is seted up and is seted up the mounting groove 62 coaxial with dead lever 71, and the mounting groove 62 diameter is greater than the diameter of dead lever 71, and the elastic component is including being located the mounting groove 62 and overlapping the pressure spring 73 on locating lever 71, and the both ends of pressure spring 73 are fixed connection respectively in dead lever 71 and the bottom of mounting groove 62, and when pressure spring 73 was under natural state, the one end that the actuating lever 72 was kept away from to dead lever 71 flushed with the outer wall of locating lever 6. When the pressure spring 73 is in a natural state, one end of the fixing rod 71, which is far away from the driving rod 72, does not protrude out of the outer wall of the positioning rod 6, and at the moment, the positioning rod 6 can slide in the sliding groove 21 on the mounting plate 2, so that the position of the positioning pin 4 can be adjusted; after the position adjustment of locating pin 4 is accomplished, rotate drive lever 72 and make drive lever 72 to being close to the motion of mounting panel 2, because the setting of the coniform of drive lever 72 tip, make dead lever 71 to keeping away from the motion of locating lever 6 during drive lever 72 downstream, peg graft in fixed orifices 23 until dead lever 71, accomplish the relative fixation with locating lever 6 and mounting panel 2 promptly, pressure spring 73 is under the compression state this moment, when needing to adjust locating pin 4 position once more, it makes it to keeping away from the motion of mounting panel 2 to rotate drive lever 72, dead lever 71 slides under the effect that pressure spring 73 regained the deformation until the one end of keeping away from drive lever 72 does not bulge the outer wall of locating lever 6 this moment, can slide locating lever 6 and adjust the position of locating pin 4.

The implementation principle of the embodiment is as follows: when the nut welding process is carried out on the automobile skylight reinforcing ring, the skylight reinforcing ring is placed on the plurality of brackets 3 on the mounting plate 2, and is adjusted to a position convenient for clamping by a mechanical arm according to the type of the skylight reinforcing ring and the position of a welding point of the skylight reinforcing ring; when the position of the positioning pin 4 needs to be adjusted, the pressure spring 73 is in a natural state, the positioning rod 6 can slide in the sliding groove 21 on the mounting plate 2, the sliding positioning rod 6 is driven to adjust the position of the positioning pin 4 to correspond to the position of the positioning hole on the skylight reinforcing ring, and the positioning pin is driven by the driving cylinder 5; after the position of the positioning pin 4 is adjusted, the driving rod 72 is rotated to enable the driving rod 72 to move towards the direction close to the mounting plate 2, when the driving rod 72 moves downwards, the fixing rod 71 moves towards the direction away from the positioning rod 6 through the conical part until the fixing rod 71 is inserted into the fixing hole 23, namely, the relative fixing of the positioning rod 6 and the mounting plate 2 is completed, so that the positioning pin 4 is fixed to play a positioning role on the skylight reinforcing ring, and at the moment, the pressure spring 73 is in a compressed state; when the position of the positioning pin 4 needs to be adjusted again, the driving rod 72 is rotated to move away from the mounting plate 2, at the moment, the fixing rod 71 slides under the force of the deformation restoring force of the pressure spring 73 until one end away from the driving rod 72 does not protrude out of the outer wall of the positioning rod 6, and the position of the positioning pin 4 can be adjusted again by the sliding positioning rod 6 according to the model of the skylight reinforcing ring.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Be applied to skylight beaded finish nut welded positioner, including chassis (1), be provided with horizontally mounting panel (2) on chassis (1), be provided with a plurality of supports (3) that are used for supporting skylight beaded finish on mounting panel (2), it is a plurality of support (3) distribute in the border all around of mounting panel (2), its characterized in that: still be provided with on mounting panel (2) and be used for carrying out locating pin (4) of fixing a position to the skylight beaded finish, it is provided with locating lever (6) to slide on mounting panel (2), locating lever (6) vertical setting and along the horizontal direction slide set up in on mounting panel (2), locating lever (6) with be provided with between mounting panel (2) and be used for making locating lever (6) with mounting panel (2) keep fixed subassembly (7), locating pin (4) vertical setting and along vertical direction slide set up in on locating lever (6).

2. The positioning device applied to skylight reinforcing ring nut welding according to claim 1, characterized in that: offer along the horizontal direction on mounting panel (2) with spout (21) of locating lever (6) slip adaptation, locating lever (6) slide set up in spout (21), the both sides wall of spout (21) is close to bottom department and sets up along its length direction and communicate in spacing groove (22) of spout (21), the both sides that locating lever (6) are close to the bottom are provided with to slide set up in slider (61) in spacing groove (22), fixed subassembly (7) slide including the level set up and follow the horizontal direction and wear to locate dead lever (71) on locating lever (6), the axis direction of dead lever (71) with the length direction of spout (21) is perpendicular, set up along its length direction on the lateral wall of spout (21) a plurality of with fixed orifices (23) of dead lever (71) grafting adaptation, fixed subassembly (7) still include the drive dead lever (71) slide to peg graft in fixed orifices (71) (23) The driving piece is arranged in the fixing rod (71), and the elastic piece drives the fixing rod (71) to slide to be separated from the inserting connection with the fixing hole (23).

3. The positioning device applied to skylight reinforcing ring nut welding according to claim 2, characterized in that: locating lever (6) is hollow structure, the driving piece includes that the screw thread wears to locate actuating lever (72) in locating lever (6), the bottom of actuating lever (72) sets up to the coniform that the diameter from top to bottom reduces gradually, dead lever (71) slide and wear to locate on the lateral wall of locating lever (6), the axis of dead lever (71) with the axis of locating lever (6) is perpendicular and crossing, the length of dead lever (71) is greater than the wall thickness of locating lever (6) just is less than the distance between the axis of locating lever (6) and its outer wall.

4. The positioning device applied to skylight reinforcing ring nut welding according to claim 3, characterized in that: the inner wall of locating lever (6) seted up with coaxial mounting groove (62) of dead lever (71), the elastic component is including being located in mounting groove (62) and the cover is located pressure spring (73) on dead lever (71), the both ends of pressure spring (73) respectively fixed connection in on dead lever (71) with the bottom of mounting groove (62), when pressure spring (73) is under natural state, dead lever (71) are kept away from the one end of actuating lever (72) does not bulge the outer wall of locating lever (6).

5. The positioning device applied to skylight reinforcing ring nut welding according to claim 4, characterized in that: and one end of the fixed rod (71) close to the driving rod (72) is provided with a ball.

6. The positioning device applied to skylight reinforcing ring nut welding of claim 5, characterized in that: the upper end of the driving rod (72) penetrates through the positioning rod (6) and a handle is arranged at the end part.

7. The positioning device applied to skylight reinforcing ring nut welding according to claim 1, characterized in that: the upper end of locating lever (6) is fixed and is provided with the horizontally backup pad, locating pin (4) slide and wear to locate in the backup pad, locating lever (6) go up in the below of backup pad still is provided with and drives actuating cylinder (5), the vertical upwards setting of piston rod that drives actuating cylinder (5), locating pin (4) coaxial fixed connection in drive on the piston rod of actuating cylinder (5).

8. The positioning device applied to skylight reinforcing ring nut welding according to claim 1, characterized in that: the positioning pins (4) and the positioning rods (6) are arranged on the mounting plate (2) in two groups, and the two groups of positioning pins (4) and the positioning rods (6) are respectively arranged on two opposite sides of the mounting plate (2).