Positioning mechanism for automobile top cover welding

Abstract

The utility model relates to the technical field of automobile top cover welding, in particular to a positioning mechanism for automobile top cover welding, which comprises limiting frames, a positioning plate connected between the two limiting frames in a sliding manner, a regulation and control plate connected to the bottom of the positioning plate in a sliding manner, a plurality of clamping rods movably arranged in the regulation and control plate, and a clamping plate fixedly connected to the bottom ends of the clamping rods. The multiple shaft rods are slidably connected to the outer wall of the regulation and control plate, the bottom ends of the shaft rods are rotationally connected with pressing plates, and the regulation and control module is arranged in the regulation and control plate. According to the automobile top cover adjusting and controlling device, the clamping rods are movably arranged in the adjusting and controlling plate, the first hydraulic rod is started to drive the pressing plates to be attached to the top of the automobile top cover, the second hydraulic rod is started to drive the clamping rods to transversely move and be clamped in the skylight of the automobile top cover in the upward moving process, and therefore the automobile top cover is rapidly limited; and in addition, the working space of the welding robot is not blocked, automobile top covers of different specifications can be stably limited by adjusting and controlling a second hydraulic rod, and use is convenient.

Description

Technical Field

[0001] This utility model relates to the field of automotive roof welding technology, specifically a positioning mechanism for automotive roof welding. Background Technology

[0002] Automotive roof welding is a crucial step in the automobile manufacturing process, directly impacting the rigidity, sealing, and appearance of the car body. After a robotic arm clamps the roof onto the car frame, it is transported by a conveyor belt to a welding robot for final welding. Some existing automotive systems use laser lead welding for fixation, which offers advantages such as continuous welding. Compared to traditional spot welding, it uses a line instead of a point, achieving a tight fit between the roof and side panels, eliminating the need for sealing strips, resulting in a longer overall lifespan and a more aesthetically pleasing appearance. However, some existing roof-mounting structures, such as clamps, require gripping from the boundary, affecting the welding robot's operation; electric suction cups are susceptible to weld slag, leading to a reduced lifespan, and the suction cup position needs to be adjusted for different roof sizes, making it inconvenient for quickly positioning various roof sizes and hindering usability. Utility Model Content

[0003] The purpose of this utility model is to provide a positioning mechanism for welding automobile roofs, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A positioning mechanism for welding automobile roof covers, comprising:

[0006] A positioning plate is slidably connected between two of the limiting frames;

[0007] The control plate is slidably connected to the bottom of the positioning plate;

[0008] Multiple levers are provided, and each lever is movably disposed inside the control plate. A locking plate is fixedly connected to the bottom end of each lever.

[0009] Multiple shafts are provided, and the shafts are slidably connected to the outer wall of the control plate. A pressure plate is rotatably connected to the bottom end of the shaft.

[0010] The control module, located inside the control plate, can synchronously drive multiple levers.

[0011] Furthermore, each of the two limiting frames has a support base fixedly connected to one end, and multiple fixed frames are fixedly connected between the tops of the two limiting frames. One of the limiting frames has a one-way screw rotatably connected inside, the one-way screw passing through the positioning plate and screwed into it. One end of the limiting frame is fixedly connected to a motor, and the output end of the motor is fixedly connected to the one-way screw.

[0012] Furthermore, the positioning plate has multiple limiting rods slidably connected inside, and the bottom ends of the multiple limiting rods are fixedly connected to the top of the control plate. The positioning plate also has two hydraulic rods that are fixedly connected through it, and the output end of the hydraulic rods is fixedly connected to the control plate.

[0013] Furthermore, a rubber sheet is fixedly connected to the bottom of the pressure plate, a return spring is fixedly connected between the pressure plate and the control plate, two shaft blocks are symmetrically fixedly connected to the outer wall of the shaft, the shaft blocks pass through the pressure plate and are rotatably connected to it, and a torsion spring is fixedly connected between the shaft blocks and the pressure plate.

[0014] Furthermore, a limiting plate is provided above the control plate, and vertical rods are fixedly connected to the top of the control plate at the four corners. Multiple vertical rods pass through the limiting plate and are slidably connected to it. The top ends of the locking rods are slidably connected to the limiting plate.

[0015] Furthermore, the control module includes:

[0016] The guide plate is fixedly connected to the top of the control plate;

[0017] Multiple sliders are provided, and the locking rod passes through adjacent sliders and is slidably connected to them;

[0018] Multiple reset springs are provided, and each reset spring is fixedly connected between the slider and the control plate.

[0019] A slide groove is provided at the top of the control plate, and the slider is slidably connected to the inside of an adjacent slide groove;

[0020] Hydraulic rod two, multiple of them are provided and fixedly connected to the top of the control plate; the output end of the hydraulic rod two is fixedly connected to the limiting plate.

[0021] Multiple crossbars are provided, and the crossbars are fixedly connected between the two ends of adjacent sliding grooves. The crossbars pass through adjacent sliders and two return springs.

[0022] The connecting rod is fixed to the outer wall of the clamp rod.

[0023] Preferably, both sides of the slider are equidistantly connected to multiple ball bearings.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] 1. Multiple locking rods are installed inside the control plate. Activating hydraulic rod one drives multiple pressure plates to adhere to the top of the car roof. Activating hydraulic rod two drives the locking rods to move upwards and laterally lock them inside the sunroof of the car roof, thereby quickly limiting the position of the car roof without obstructing the working space of the welding robot. By adjusting hydraulic rod two, car roofs of different specifications can be stably limited, making it convenient to use. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a cross-sectional view of the limiting frame of this utility model;

[0028] Figure 3 This is a side sectional view of the control plate of this utility model;

[0029] Figure 4 This is a schematic diagram of the guide plate structure of this utility model;

[0030] Figure 5 This is a schematic diagram of the cross-sectional structure of the pressure plate of this utility model.

[0031] In the diagram: 10. Limiting frame; 101. Support base; 102. Fixing frame; 103. Motor; 104. One-way lead screw; 11. Positioning plate; 111. Limiting rod; 112. Hydraulic rod one; 12. Control plate; 121. Locking rod; 122. Locking plate; 123. Vertical rod; 13. Limiting plate; 14. Shaft rod; 141. Pressure plate; 142. Rubber sheet; 143. Return spring one; 144. Shaft block; 145. Torsion spring; 15. Control module; 151. Guide plate; 152. Slider; 1521. Ball bearing; 153. Slide groove; 154. Hydraulic rod two; 155. Crossbar; 156. Return spring two; 157. Connecting rod. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Please see Figures 1-5 In this embodiment of the present invention, a positioning mechanism for welding an automobile roof includes a limiting frame 10, a positioning plate 11 slidably connected between two limiting frames 10, a control plate 12 slidably connected to the bottom of the positioning plate 11, multiple locking rods 121, the locking rods 121 being movably disposed inside the control plate 12, the bottom end of the locking rods 121 being fixedly connected to a locking plate 122, multiple shafts 14, the shafts 14 being slidably connected to the outer wall of the control plate 12, the bottom end of the shafts 14 being rotatably connected to a pressure plate 141, and a control module 15 disposed inside the control plate 12, the control module 15 being able to synchronously drive multiple locking rods 121.

[0034] Specifically, multiple locking rods 121 are movably installed inside the control plate 12. Activating hydraulic rod one 112 drives multiple pressure plates 141 to adhere to the top of the car roof. Activating hydraulic rod two 154 drives the locking rods 121 to move upwards and then laterally lock them inside the sunroof of the car roof, thereby quickly limiting the position of the car roof without obstructing the working space of the welding robot. By adjusting hydraulic rod two 154, car roofs of different specifications can be stably limited, making it convenient to use.

[0035] Example 1

[0036] like Figure 5 As shown, in this embodiment, a rubber sheet 142 is fixedly connected to the bottom of the pressure plate 141, a return spring 143 is fixedly connected between the pressure plate 141 and the control plate 12, and two shaft blocks 144 are symmetrically fixedly connected to the outer wall of the shaft rod 14. The shaft blocks 144 pass through the pressure plate 141 and are rotatably connected to it. A torsion spring 145 is fixedly connected between the shaft blocks 144 and the pressure plate 141.

[0037] In this embodiment, the pressure plate 141 is made of PC material. The rubber sheet 142 enhances the contact friction between the pressure plate 141 and the top of the car roof. The rubber sheet 142 can adapt to the bending of the pressure plate 141. After the control plate 12 moves down as a whole, it contacts the top of the car roof through the pressure plate 141. In the initial state, the pressure plate 141 is in an inclined state. However, under the resistance of the car roof, the pressure plate 141 gradually rotates and comes into contact with the top of the car roof, which twists the torsion spring 145. The shaft 14 can automatically move up to adjust its position according to the different curvature of the car roof, so as to adapt to the curvature of the top of the car roof and press the car roof onto the side frame to prevent tilting.

[0038] like Figures 1-2 As shown, in this embodiment, one end of each of the two limiting frames 10 is fixedly connected to a support base 101, and multiple fixing frames 102 are fixedly connected between the tops of the two limiting frames 10. One of the limiting frames 10 is rotatably connected to a one-way screw 104 inside. The one-way screw 104 passes through the positioning plate 11 and is screwed to it. One end of the limiting frame 10 is fixedly connected to a motor 103, and the output end of the motor 103 is fixedly connected to the one-way screw 104. Multiple limiting rods 111 are slidably connected inside the positioning plate 11. The bottom ends of the multiple limiting rods 111 are fixedly connected to the top of the control plate 12. Two hydraulic rods 112 are fixedly connected through the positioning plate 11, and the output ends of the hydraulic rods 112 are fixedly connected to the control plate 12.

[0039] In practice, the limiting frame 10 is supported by the support base 101 and fixed at a certain height to prevent obstruction of the welding robot's working space. The two limiting frames 10 work together to slide and limit the positioning plate 11 laterally, which is convenient for processing car roofs of different specifications. The starting motor 103 can drive the one-way lead screw 104 to rotate, thereby driving the positioning plate 11 to move its components laterally to align with the sunroof position of the car roof. The sliding limit of the control plate 12 in the vertical direction is completed by the cooperation of multiple limiting rods 111. The two hydraulic rods 112 are started simultaneously to adjust the height angle of the control plate 12, which makes it convenient to remove components such as the clamping rod 121 and prevents it from affecting the lateral movement and transfer of the car roof.

[0040] Example 2

[0041] Based on Example 1, in order to limit the position of car roofs of different sizes by utilizing the sunroof of the car roof.

[0042] like Figures 3-4 As shown, in this embodiment, a limiting plate 13 is provided above the control plate 12. Vertical rods 123 are fixedly connected to the top of the control plate 12 at each of the four corners. Multiple vertical rods 123 penetrate the limiting plate 13 and are slidably connected to it. The top ends of the locking rods 121 are slidably connected to the limiting plate 13. The control module 15 includes a guide plate 151, which is fixedly connected to the top of the control plate 12. Multiple sliders 152 are provided, and locking rods 121 penetrate adjacent sliders 152 and are slidably connected to them. Multiple reset springs 156 are provided, and reset springs 156 are fixedly connected to the sliders 152. Between the control plate 12 and the control plate 12, a slide groove 153 is opened on the top of the control plate 12, and a slider 152 is slidably connected to the inside of the adjacent slide groove 153. Multiple hydraulic rods 154 are provided and fixed to the top of the control plate 12. The output end of the hydraulic rods 154 is fixed to the limit plate 13. Multiple crossbars 155 are provided and fixed between the two ends inside the adjacent slide groove 153. The crossbars 155 pass through the adjacent slider 152 and the return spring 156. The docking rod 157 is fixed to the outer wall of the clamping rod 121. Multiple balls 1521 are equidistantly rotatably connected to both sides of the slider 152.

[0043] In practice, multiple vertical rods 123 work together to limit the vertical sliding of the limiting plate 13. Activating two hydraulic rods 154 drives the limiting plate 13 to move up and down. After the control plate 12 moves down and multiple pressure plates 141 contact the car roof for initial positioning, the locking rod 121 has passed through the sunroof and entered its interior. Activating the two vertical rods 123 then drives the limiting plate 13 upward, causing multiple locking rods 121 to move upward synchronously, facilitating synchronized control of the multiple locking rods 121. The hydraulic... The second lever 154 drives the limiting plate 13 to move upward, causing multiple locking levers 121 to move upward synchronously. During the process, the guide plate 151's two inclined surfaces move the connecting rod 157, causing the two locking levers 121 to move away from each other, so that the locking levers 121 gradually contact the corner of the sunroof and the locking plate 122 contacts the inner top wall of the car roof, preventing the car roof from shifting laterally, thus quickly completing the limiting of the car roof. The ball bearing 1521 helps to reduce the sliding friction between the slider 152 and the control plate 12, making the lateral control of the locking levers 121 smoother.

[0044] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0045] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A positioning mechanism for welding automobile roofs, characterized in that, include: A limiting frame (10) is provided, and a positioning plate (11) is slidably connected between the two limiting frames (10); The control plate (12) is slidably connected to the bottom of the positioning plate (11); Multiple levers (121) are provided. The levers (121) are movably disposed inside the control plate (12). The bottom end of the levers (121) is fixedly connected to a plate (122). Multiple shafts (14) are provided. The shafts (14) are slidably connected to the outer wall of the control plate (12). The bottom end of the shafts (14) is rotatably connected to a pressure plate (141). The control module (15) is located inside the control plate (12), and the control module (15) can synchronously drive multiple levers (121).

2. The positioning mechanism for welding automobile roofs according to claim 1, characterized in that, One end of each of the two limiting frames (10) is fixedly connected to a support base (101), and multiple fixing frames (102) are fixedly connected between the tops of the two limiting frames (10). One of the limiting frames (10) is rotatably connected to a one-way screw (104). The one-way screw (104) passes through the positioning plate (11) and is screwed to it. One end of the limiting frame (10) is fixedly connected to a motor (103), and the output end of the motor (103) is fixedly connected to the one-way screw (104).

3. The positioning mechanism for welding automobile roofs according to claim 1, characterized in that, The positioning plate (11) has multiple limiting rods (111) slidably connected inside. The bottom ends of the multiple limiting rods (111) are fixedly connected to the top of the control plate (12). The positioning plate (11) has two hydraulic rods (112) fixedly connected through it. The output end of the hydraulic rods (112) is fixedly connected to the control plate (12).

4. The positioning mechanism for welding automobile roofs according to claim 1, characterized in that, A rubber sheet (142) is fixedly connected to the bottom of the pressure plate (141). A return spring (143) is fixedly connected between the pressure plate (141) and the control plate (12). Two shaft blocks (144) are symmetrically fixedly connected to the outer wall of the shaft (14). The shaft blocks (144) pass through the pressure plate (141) and are rotatably connected to it. A torsion spring (145) is fixedly connected between the shaft blocks (144) and the pressure plate (141).

5. The positioning mechanism for welding automobile roofs according to claim 1, characterized in that, A limiting plate (13) is provided above the control plate (12). Vertical rods (123) are fixedly connected to the top of the control plate (12) at the four corners. Multiple vertical rods (123) pass through the limiting plate (13) and are slidably connected to it. The top of the locking rod (121) is slidably connected to the limiting plate (13).

6. The positioning mechanism for welding automobile roofs according to claim 5, characterized in that, The control module (15) includes: A guide plate (151) is fixedly connected to the top of the control plate (12); Multiple sliders (152) are provided, and the lever (121) passes through adjacent sliders (152) and is slidably connected to them; Multiple reset springs (156) are provided, and the reset springs (156) are fixedly connected between the slider (152) and the control plate (12); A slide groove (153) is provided on the top of the control plate (12), and the slider (152) is slidably connected to the inside of the adjacent slide groove (153); Hydraulic rods two (154) are provided in multiple forms and are fixedly connected to the top of the control plate (12). The output end of the hydraulic rods two (154) is fixedly connected to the limiting plate (13). A crossbar (155) is provided in multiple ways. The crossbar (155) is fixed between the two ends inside the adjacent slide groove (153). The crossbar (155) passes through the adjacent slider (152) and the second return spring (156). The connecting rod (157) is fixed to the outer wall of the clamp rod (121).

7. The positioning mechanism for welding automobile roofs according to claim 6, characterized in that, Both sides of the slider (152) are equidistantly connected to multiple balls (1521).

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