Car body welding positioning tool

Abstract

The utility model belongs to the technical field of vehicle body machining, and particularly relates to a vehicle body welding positioning tool which comprises a rail, the rail is H-shaped, a conveying device is installed below the rail, two supporting frames are connected to the upper portion of the rail in a sliding mode, the rail is fixed to a welding workshop, and a lead screw is connected to the center of the rail in a rotating mode. The vehicle body is conveyed through the conveying device, the front end of the vehicle body is kept in a fixed area through the sensing module, the limiting plates on the two sides of the vehicle body synchronously move towards the vehicle body, then the center line of the vehicle body is pushed to be consistent with the center line of the conveying device, and the vehicle body can stay at the accurate position; therefore, the conveying assembly can accurately carry the vehicle body.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vehicle body processing, and specifically relates to a vehicle body welding positioning tool. BACKGROUND

[0002] The vehicle body shell is the installation basis of all vehicle body components, and is usually a rigid space structure composed of main load-bearing elements such as longitudinal beams, transverse beams and struts, and sheet metal parts connected thereto. Most passenger car bodies have obvious frames, while car bodies and truck cabs do not have obvious frames. The vehicle body shell usually also includes soundproofing, heat insulation, vibration isolation, corrosion prevention, sealing and other materials and coatings laid thereon.

[0003] The existing Chinese patent with publication number CN219293173U discloses a vehicle body welding positioning tool, which comprises a track, a portal mechanism is arranged on the top of the track, a clamping mechanism is arranged at the bottom of the portal mechanism, the portal mechanism comprises a transverse unit and a longitudinal unit, the transverse unit is arranged on the top of the track, the longitudinal unit is arranged on the top of the transverse unit, the transverse unit comprises a crane, a motor one and a track wheel, the crane is movably connected to the top of the track, the motor one is fixedly connected to the left side of the front face of the crane, the track wheel is rotatably connected to the bottom of the crane, the track wheel is provided with two, and the center of one of the track wheels is fixedly connected to the output shaft of the motor one, so as to obtain driving.

[0004] In view of the above and existing related technologies, the inventor believes that the following defects often exist: when the device lifts the vehicle body, the vehicle body needs to be placed in a fixed position, and the device lacks corresponding equipment for accurately positioning the vehicle body to accurately lift the vehicle body by the device, which needs to be improved. Therefore, a vehicle body welding positioning tool is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve the technical problems mentioned above, the utility model provides a vehicle body welding positioning tool.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of vehicle body welding positioning tool, including track, the track is equipped with H shape, conveying device is installed in the lower of track, the upper of track is slidably connected with two support frames, track is fixed with welding workshop, the center of track is rotatably connected with lead screw, and lead screw is threadedly connected with support frame, the sidewall center of track is fixedly connected with driver one, and the driving end of driver one is fixedly connected with one end of lead screw, conveying assembly is installed in the lower of support frame, the conveying assembly includes connecting seat one and connecting seat two, connecting seat one is fixedly installed in the bottom of support frame, the two sides of connecting seat one are respectively fixedly connected with T-shaped connecting rod one, and connecting rod one penetrates connecting seat two, the center of connecting seat two is fixedly connected with hydraulic rod one, and the driving end of hydraulic rod one is fixedly connected with connecting seat one, the bottom of connecting seat two is slidably connected with L-shaped lifting frame, positioning assembly is arranged on conveying device, when using, vehicle body is conveyed to track by conveying device, movement driver one drives lead screw to rotate, so that support frame is slid along track to the two sides of conveying device, operating hydraulic rod two extends and drives lifting frame to elongate synchronously, so that docking groove is lowered to the bottom end of vehicle body, operating hydraulic rod one drives lifting frame to move to vehicle body, so that docking groove moves to below the edge layer of vehicle body bottom, it is suitable for the vehicle body of multiple widths, then hydraulic rod two contracts and thereby lifts vehicle body, and by driver one reverse motion, so that vehicle body can be carried to welding place and is welded, after welding is completed, the vehicle body welded is carried again to conveying device and is conveyed to leave by conveying device.

[0007] Preferably, the lifting frame includes an upper sliding seat and an L-shaped lower lifting seat, the upper sliding seat and the lower lifting seat are slidably connected, so that the lifting frame can be adjusted in height.

[0008] Preferably, the bottom of the connecting seat one is slidably connected with a mounting seat, the bottom of the mounting seat is fixedly connected with a hydraulic rod two, the driving end of the hydraulic rod two is fixedly connected with a sliding connector, and the sliding connector is slidably installed on the bottom of the lifting frame, the hydraulic rod two is controlled to adjust the length of the lifting frame.

[0009] Preferably, the upper side wall of the mounting seat is fixedly connected with a connecting rod two, the connecting rod two penetrates the lifting frame, and the mounting seat and the lifting frame are connected, the mounting seat is slid, and the lifting frame is simultaneously driven to slide.

[0010] Preferably, the bottom end of the lifting frame is provided with a docking groove, the outer wall of the docking groove is provided with a slot, the inside of the slot is rotatably connected with a clamping plate through a shaft, after the docking groove moves to below the edge layer of the vehicle body bottom, operating driver two drives the clamping plate to rotate upward, and cooperates with the side of the docking groove to clamp and fix the vehicle body, improving the stability of the vehicle body during carrying and welding.

[0011] Preferably, the lower side wall of the lifting frame is fixedly connected with a second driver, and the driving end of the second driver is fixedly connected with the shaft of the clamping plate.

[0012] Preferably, the bottom of the connecting seat one is fixedly connected with a third hydraulic rod in a symmetrical manner, and the driving end of the third hydraulic rod is fixedly connected with the mounting seat; the mounting seat can be pushed to slide through the third hydraulic rod, and the lifting frame can be driven to slide synchronously through the connecting rod two, so that the distance between the two groups of lifting frames below the supporting frame is adjusted to adapt to the use of vehicle bodies of various lengths.

[0013] Preferably, the positioning assembly comprises an induction module, the induction module comprises an infrared emitter and an infrared receiver, the induction module is fixedly installed on both sides of the conveying device, the induction module is electrically connected with the conveying device, when the conveying device conveys the vehicle body to the induction module, the vehicle body blocks the infrared rays of the induction module, at this time, the induction module controls the conveying device to stop conveying, so that the front end of the vehicle body is kept in a fixed area.

[0014] Preferably, the positioning assembly further comprises an electric sliding table fixedly installed on both sides of the conveying device, a base is fixedly connected to the sliding block of the electric sliding table, a fourth hydraulic rod is fixedly connected to the top of the base, and the driving end of the fourth hydraulic rod is fixedly connected with a limiting plate; the limiting plate is made to have a height higher than the conveying device through the extension of the fourth hydraulic rod, the electric sliding table is operated, the limiting plates on both sides of the vehicle body are synchronously moved to the vehicle body, the center line of the vehicle body is kept consistent with the center line of the conveying device, the vehicle body is accurately placed, and the conveying assembly can accurately carry the vehicle body.

[0015] The utility model discloses the beneficial effect lies in:

[0016] 1. The utility model discloses a conveying device conveys the vehicle body, and the front end of the vehicle body is kept in a fixed area through the induction module, the limiting plates on both sides of the vehicle body are synchronously moved to the vehicle body, and the center line of the vehicle body is kept consistent with the center line of the conveying device, so that the vehicle body can be kept in an accurate position, and the conveying assembly can accurately carry the vehicle body.

[0017] 2. The utility model discloses a conveying assembly lifts and clamps the fixed vehicle body, and the vehicle body can be carried to the welding place to carry out welding through the driving of the first driver and the lead screw, and then is carried to the conveying device to convey and leave, so that the automatic carrying of the vehicle body is realized to carry out welding. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is a schematic diagram of the overall structure of the present application. Figure 1

[0021] Figure 3 It is a schematic diagram of the overall structure of the present application.

[0022] Figure 4 It is a schematic diagram of the overall structure of the present application.

[0023] Figure 5 It is a schematic diagram of the overall structure of the present application. Figure 2

[0024] In the figure: 1, track; 2, conveying device; 3, screw; 4, driver one; 5, conveying assembly; 51, connecting seat one; 52, connecting seat two; 53, hydraulic rod one; 54, lifting frame; 55, mounting seat; 56, hydraulic rod two; 57, sliding connecting piece; 58, connecting rod two; 59, butt joint groove; 510, clamping plate; 511, driver two; 512, hydraulic rod three; 513, connecting rod one; 541, upper sliding seat; 542, lower lifting seat; 6, positioning assembly; 61, sensing module; 62, electric sliding table; 63, base; 64, hydraulic rod four; 65, limiting plate; 66, telescopic rod; 7, support frame. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] Embodiment one

[0027] Please refer to Figures 1-4 ​​As shown, a body welding positioning tool, including a track 1, the track 1 is provided with H-shaped, the lower part of the track 1 is provided with a conveying device 2, the upper part of the track 1 is slidably connected with two support frames 7, the track 1 is fixed with the welding workshop, the center of the track 1 is rotatably connected with a lead screw 3, and the lead screw 3 is threadedly connected with the support frame 7, the center of the side wall of the track 1 is fixedly connected with a driver one 4, and the driving end of the driver one 4 is fixedly connected with one end of the lead screw 3, the lower part of the support frame 7 is provided with a conveying assembly 5, the conveying assembly 5 includes a connecting seat one 51 and a connecting seat two 52, the connecting seat one 51 is fixedly installed on the bottom of the support frame 7, the two sides of the connecting seat one 51 are respectively fixedly connected with T-shaped connecting rods one 513, and the connecting rods one 513 penetrate through the connecting seat two 52, the center of the connecting seat two 52 is fixedly connected with a hydraulic rod one 53, and the driving end of the hydraulic rod one 53 is fixedly connected with the connecting seat one 51, the bottom of the connecting seat two 52 is symmetrically and slidably connected with an L-shaped lifting frame 54, the conveying device 2 is provided with a positioning assembly 6, in use, the body is conveyed to the track 1 through the conveying device 2, the lead screw 3 is driven to rotate by the motion driver one 4, so that the support frame 7 slides along the track 1 to the two sides of the conveying device 2, the hydraulic rod two 56 is extended to drive the lifting frame 54 to extend synchronously, so that the butt joint groove 59 is lowered to the bottom end of the body, the hydraulic rod one 53 is driven to move the lifting frame 54 to the body, so that the butt joint groove 59 is moved below the edge layer of the bottom of the body, which is suitable for bodies of various widths, then the hydraulic rod two 56 is retracted to lift the body, and the body is conveyed to the welding position through the reverse motion of the driver one 4, so that the body can be conveyed to the welding position for welding, after the welding is completed, the welded body is conveyed to the conveying device 2 again and conveyed away by the conveying device 2.

[0028] The lifting frame 54 includes an upper sliding seat 541 and an L-shaped lower lifting seat 542, and the upper sliding seat 541 and the lower lifting seat 542 are slidably connected, so that the lifting frame 54 can adjust the height by extension and retraction.

[0029] The bottom of the connecting seat one 51 is symmetrically and slidably connected with a mounting seat 55, the bottom of the mounting seat 55 is fixedly connected with a hydraulic rod two 56, the driving end of the hydraulic rod two 56 is fixedly connected with a sliding connector 57, and the sliding connector 57 is slidably installed on the bottom of the lifting frame 54, and the length of the lifting frame 54 is adjusted by the extension and retraction of the hydraulic rod two 56.

[0030] The upper side wall of the mounting seat 55 is fixedly connected with a connecting rod two 58, and the connecting rod two 58 penetrates through the lifting frame 54, so as to connect the mounting seat 55 with the lifting frame 54, and the lifting frame 54 is driven to slide synchronously when the mounting seat 55 slides.

[0031] The bottom end of the lifting frame 54 is provided with a butt joint groove 59, and the outer wall of the butt joint groove 59 is provided with a slot.

[0032] The lower side wall of the lifting frame 54 is fixedly connected with the second driver 511, and the driving end of the second driver 511 is fixedly connected with the shaft of the clamping plate 510.

[0033] The bottom of the connecting seat one 51 is fixedly connected with the third hydraulic rod 512 in a symmetrical mode, and the driving end of the third hydraulic rod 512 is fixedly connected with the mounting seat 55.

[0034] Embodiment two

[0035] Comparative embodiment one, please refer to Figure 5 The utility model provides another embodiment, the positioning assembly 6 includes inductive module 61, inductive module 61 includes infrared emitter and infrared receiver, inductive module 61 fixed mounting at the both sides of conveying device 2, inductive module 61 with conveying device 2 electricity is connected, and when conveying device 2 conveys car body to inductive module 61, car body separates the infrared of inductive module 61, at this time, inductive module 61 controls conveying device 2 to stop conveying, so that the front end of car body keeps in the fixed area.

[0036] The positioning assembly 6 further includes an electric sliding platform 62 fixedly installed on both sides of the conveying device 2, a base 63 is fixedly connected to a sliding block of the electric sliding platform 62, a fourth hydraulic rod 64 is fixedly connected to an upper portion of the base 63, and a limiting plate 65 is fixedly connected to a driving end of the fourth hydraulic rod 64. The fourth hydraulic rod 64 is extended to make the limiting plate 65 higher than the conveying device 2. The electric sliding platform 62 is operated to make the limiting plates 65 on both sides of the car body move towards the car body synchronously, thereby pushing the center line of the car body to be consistent with the center line of the conveying device 2, achieving accurate placement of the car body, so that the conveying assembly 5 can accurately carry the car body.

[0037] By the person skilled in the art, all electrical components in the case are connected with their adapted power supply through wires, and the appropriate PLC controller and driver one 4, driver two 511, hydraulic rod one 53, hydraulic rod two 56, hydraulic rod three 512, hydraulic rod four 64, electric sliding platform 62, induction module 61 and conveying device 2 should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should be referred to the working principle below. The electrical components are connected in the order of working sequence, and the detailed connection means is the prior art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0038] When in use, the vehicle body is conveyed to the track 1 by the conveying device 2. The movement of the driver one 4 drives the screw rod 3 to rotate, so that the support frame 7 slides along the track 1 to the two sides of the conveying device 2. The operation of the hydraulic rod two 56 drives the lifting frame 54 to extend synchronously, so that the docking groove 59 is lowered to the bottom end of the vehicle body. The operation of the hydraulic rod one 53 drives the lifting frame 54 to move to the vehicle body, so that the docking groove 59 moves below the edge layer of the bottom of the vehicle body, which is suitable for vehicle bodies of various widths. Then the hydraulic rod two 56 is retracted to lift the vehicle body, and the driver one 4 is reversely moved, so that the vehicle body can be carried to the welding position for welding. After welding, the welded vehicle body is carried to the conveying device 2 again and conveyed away by the conveying device 2.

[0039] When the docking groove 59 moves below the edge layer of the bottom of the vehicle body, the driver two 511 drives the clamping plate 510 to rotate upward and clamp the side of the docking groove 59 to fix the vehicle body, thereby improving the stability of the vehicle body during carrying and welding.

[0040] When the conveying device 2 conveys the vehicle body to the induction module 61, the vehicle body blocks the infrared rays of the induction module 61. At this time, the induction module 61 controls the conveying device 2 to stop conveying, so that the front end of the vehicle body remains in a fixed area. Then the hydraulic rod four 64 is extended to make the limiting plate 65 higher than the conveying device 2. The electric sliding platform 62 is operated to make the limiting plates 65 on both sides of the vehicle body move synchronously to the vehicle body, thereby pushing the center line of the vehicle body to be consistent with the center line of the conveying device 2, realizing accurate placement of the vehicle body, so that the conveying assembly 5 can accurately carry the vehicle body.

[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A bodywork welding positioning tool comprising a rail (1), characterized in that: The track (1) is provided with a H-shaped structure, a conveying device (2) is installed below the track (1), two support frames (7) are slidably connected to the upper side of the track (1), a lead screw (3) is rotatably connected to the center of the track (1), and the lead screw (3) is threadedly connected with the support frame (7), a driver one (4) is fixedly connected to the center of the side wall of the track (1), and the driving end of the driver one (4) is fixedly connected with one end of the lead screw (3), a conveying assembly (5) is installed below the support frame (7), the conveying assembly (5) comprises a connecting seat one (51) and a connecting seat two (52), the connecting seat one (51) is fixedly installed at the bottom of the support frame (7), T-shaped connecting rods one (513) are fixedly connected to the two sides of the connecting seat one (51), respectively, and the connecting rods one (513) penetrate through the connecting seat two (52), a hydraulic rod one (53) is fixedly connected to the center of the connecting seat two (52), and the driving end of the hydraulic rod one (53) is fixedly connected with the connecting seat one (51), L-shaped lifting frames (54) are slidably connected to the bottom of the connecting seat two (52) in a symmetrical manner, and a positioning assembly (6) is arranged on the conveying device (2).

2. The vehicle body welding positioning fixture of claim 1, wherein: The lifting frame (54) comprises an upper sliding seat (541) and an L-shaped lower lifting seat (542), and the upper sliding seat (541) and the lower lifting seat (542) are slidably connected.

3. The vehicle body welding positioning fixture of claim 1, wherein: A mounting seat (55) is slidably connected to the bottom of the connecting seat one (51) in a symmetrical manner, a hydraulic rod two (56) is fixedly connected to the bottom of the mounting seat (55), a sliding connecting piece (57) is fixedly connected to the driving end of the hydraulic rod two (56), and the sliding connecting piece (57) is slidably installed at the bottom of the lifting frame (54).

4. The vehicle body welding positioning fixture of claim 3, wherein: The upper side wall of the mounting seat (55) is fixedly connected with a connecting rod two (58), and the connecting rod two (58) penetrates through the lifting frame (54).

5. The vehicle body welding fixture of claim 1, wherein: The bottom end of the lifting frame (54) is provided with a butt joint groove (59), the outer wall of the butt joint groove (59) is provided with a slot, and the inside of the slot is rotatably connected with a clamping plate (510) through a shaft.

6. The vehicle body welding fixture of claim 5, wherein: The lower side wall of the lifting frame (54) is fixedly connected with a driver two (511), and the driving end of the driver two (511) is fixedly connected with the shaft of the clamping plate (510).

7. The vehicle body welding fixture of claim 3, wherein: The bottom of the connecting seat one (51) is fixedly connected with a hydraulic rod three (512) in a symmetrical manner, and the driving end of the hydraulic rod three (512) is fixedly connected with the mounting seat (55).

8. The vehicle body welding fixture of claim 1, wherein: The positioning assembly (6) comprises an induction module (61), the induction module (61) comprises an infrared emitter and an infrared receiver, and the induction module (61) is fixedly installed on the two sides of the conveying device (2).

9. The body welding fixture of claim 1, wherein: The positioning assembly (6) further comprises an electric sliding table (62) fixedly installed on the two sides of the conveying device (2), a base (63) is fixedly connected to the sliding block of the electric sliding table (62), a hydraulic rod four (64) is fixedly connected to the upper side of the base (63), and the driving end of the hydraulic rod four (64) is fixedly connected with a limiting plate (65).

10. The vehicle body welding fixture of claim 9, wherein: The limiting plate (65) and the base (63) are fixedly connected with telescopic rod pieces (66) on the two sides of the opposite end.

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