Car body welding fixing tool

Abstract

The utility model belongs to the technical field of automobile production, and particularly relates to an automobile body welding and fixing tool which comprises a base, two conveying devices are installed above the base, four electric sliding tables are fixedly connected to the lower side walls of the conveying devices, and clamping assemblies are installed on sliding blocks of the electric sliding tables. The clamping assembly comprises two first hydraulic rods and a U-shaped support. A vehicle body is placed on the conveying device and conveyed to the clamping assembly, the first hydraulic rod stretches to enable the pressing blocks to abut against the lower area of the vehicle roof, then the second hydraulic rod operates to enable the pressing blocks to abut against the upper area of the vehicle roof, and therefore the vehicle body is clamped and fixed through the pressing blocks distributed up and down, clamping stability is good, and clamping efficiency is high. Compared with the prior art, the automobile body welding device has the advantage that the automobile body can be conveniently supported and fixed.

Description

TECHNICAL FIELD

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

[0002] The traditional automobile body stand structure modeling is different, so the clamping positions are different, and the existing welding fixture can only clamp the specific position of the specific vehicle model, cannot change the clamping position according to different vehicle models, leads to poor practicability of the welding clamping device, in addition, the fixture in the prior art is often only fixed to the upper part of the automobile body, and the stability is poor, which can easily affect the machining accuracy of the automobile body.

[0003] The existing Chinese patent with the publication number CN221773813U discloses an automobile body welding fixture, which comprises a bottom plate, four mounting seats A and four mounting seats B, the top of the bottom plate is provided with an X-shaped sliding groove, the interiors of the four mounting seats A are all fixedly provided with magnets, the bottoms of the four mounting seats A are all fixedly provided with top hinge seats, the interiors of the top hinge seats are all hingedly provided with hinge rods, the ends, away from the top hinge seats, of the hinge rods are all hingedly provided with bottom hinge seats, the bottoms of the bottom hinge seats are all fixedly provided with turntables; the welding fixture places the automobile body on the tops of the four mounting seats A, then starts the other one of the two battery boxes to supply power to the electromagnet, makes the opposite poles of the electromagnet and the magnet face each other, then installs the four mounting seats B at the positions corresponding to the four mounting seats A on the top of the automobile body, clamps and fixes the automobile body through the adsorption force between the electromagnet and the magnet, has good clamping stability, and guarantees the machining accuracy of the automobile body.

[0004] For the above and existing related technologies, the inventor believes that the following defects often exist: when the device is used, the automobile body needs to be placed on the mounting seat, and the mounting seat is high, which is inconvenient to place, and needs to be improved; therefore, a vehicle body welding fixing tool is proposed for the above problems. UTILITY MODEL CONTENTS

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

[0006] The utility model solves its technical problem adopts the technical scheme that a kind of vehicle body welding fixed tool is provided, including base, the top of base is equipped with two conveying devices, the downside wall of conveying device is fixedly connected with four electric sliding tables, the slider of electric sliding table is installed with clamping assembly, clamping assembly includes two hydraulic rods one and U-shaped support, two hydraulic rods one are respectively fixedly installed on the slider of two electric sliding tables inside conveying device, two supports are respectively fixedly installed on the slider of two electric sliding tables outside conveying device, the surface of support is fixedly connected with hydraulic rod two at hydraulic rod one place, the driving end of hydraulic rod one and hydraulic rod two is respectively fixedly connected with pressure block, when using, by placing vehicle body on conveying device and conveying to clamping assembly, by hydraulic one extension, so that pressure block is pressed against the lower area of roof, then operating hydraulic rod two makes pressure block press against the upper area of roof, so that the clamping of pressure block to vehicle body is carried out by being distributed in upper and lower, clamping stability is good, guarantee the welding accuracy of automobile body, after welding, hydraulic rod one and hydraulic rod two retract, and conveying device conveys the vehicle body of welding and leaves.

[0007] By operating electric sliding table, the interval of two groups of hydraulic rods one and two groups of hydraulic rods two can be adjusted, so that the clamping point of pressure block to vehicle body can be adjusted vertically according to vehicle body, to adapt to the clamping demand of vehicle body of different lengths.

[0008] Preferably, the slider of the electric sliding table is fixedly connected with a universal support wheel one at the bottom, and the slider of the electric sliding table is supported by the universal support wheel one.

[0009] Preferably, the bottom of the support is fixedly connected with a plurality of universal support wheels two, and the support is supported by the universal support wheels two.

[0010] Preferably, the pressure block includes a U-shaped mounting seat, and a T-shaped pressure plate is rotatably connected in the mounting seat.

[0011] Preferably, a drive is fixedly connected to the side wall of the mounting seat, and the driving end of the drive is fixedly connected with the shaft of the pressure plate, and the pressure plate is rotated by the drive, so that the inclination of the pressure plate can be adjusted synchronously according to the curvature of the vehicle body, so that the pressure plate can be attached to the vehicle body, and the clamping demand of various areas of the vehicle body is met.

[0012] Preferably, a rubber pad is fixedly connected to the surface of the pressure plate, and the friction between the pressure plate and the vehicle body is avoided by the rubber pad.

[0013] Preferably, a spacing adjustment assembly is installed on the base, the spacing adjustment assembly includes two slide rails, the slide rails are fixedly installed on both sides of the base, and the conveying device is slidingly installed on the slide rails.

[0014] Preferably, the two sides of the sliding rail are fixedly connected with hydraulic rods three respectively, and the driving end of the hydraulic rod three is fixedly connected with the conveying device, and the interval of the two groups of conveying devices can be adjusted by operating the hydraulic rod three, so that the vehicle body of different widths can be conveyed, and the clamping point of the pressing block on the vehicle body can be adjusted transversely to adapt to the clamping demand of the vehicle body of different widths.

[0015] The utility model has the advantages that:

[0016] 1. The utility model discloses a vehicle body conveying and clamping device, which comprises a conveying device, a clamping assembly and a hydraulic system, wherein the conveying device is used for conveying the vehicle body to the clamping assembly, the clamping assembly is used for clamping and fixing the vehicle body, and the hydraulic system is used for driving the clamping assembly to clamp and fix the vehicle body.

[0017] 2. The utility model discloses a vehicle body conveying and clamping device, which comprises a conveying device, a clamping assembly and a hydraulic system, wherein the conveying device is used for conveying the vehicle body to the clamping assembly, the clamping assembly is used for clamping and fixing the vehicle body, and the hydraulic system is used for driving the clamping assembly to clamp and fix the vehicle body. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the overall structure schematic diagram of the utility model;

[0020] Figure 2 It is the overall structure schematic diagram of the utility model; Figure 1

[0021] Figure 3 It is the clamping assembly structure schematic diagram of the utility model;

[0022] Figure 4 It is the B structure schematic diagram of the utility model; Figure 3

[0023] It is the A structure schematic diagram of the utility model. Figure 5 Figure 2

[0024] ​​​In the figure: 1, base; 2, electric sliding table; 3, clamping assembly; 31, hydraulic rod one; 32, support; 33, hydraulic rod two; 34, pressing block; 341, mounting seat; 342, pressing disc; 343, driver; 344, rubber pad; 4, universal support wheel one; 5, universal support wheel two; 6, spacing adjustment assembly; 61, sliding rail; 62, hydraulic rod three; 7, conveying device. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment one

[0027] Please refer to Figures 1-4 As shown in the figure, a vehicle body welding fixing tool includes a base 1, two conveying devices 7 are installed above the base 1, four electric sliding tables 2 are fixedly connected to the lower side walls of the conveying devices 7, clamping assemblies 3 are installed on the sliding blocks of the electric sliding tables 2, the clamping assemblies 3 include two hydraulic rod ones 31 and U-shaped supports 32, the two hydraulic rod ones 31 are fixedly installed on the sliding blocks of the two electric sliding tables 2 inside the conveying devices 7, the two supports 32 are fixedly installed on the sliding blocks of the two electric sliding tables 2 outside the conveying devices 7, hydraulic rod twos 33 are fixedly connected to the surfaces of the supports 32 corresponding to the hydraulic rod ones 31, pressing blocks 34 are fixedly connected to the driving ends of the hydraulic rod ones 31 and the hydraulic rod twos 33, in use, the vehicle body is placed on the conveying devices 7 and conveyed to the clamping assemblies 3, the hydraulic rod ones 31 are extended to make the pressing blocks 34 abut against the lower area of the roof, then the hydraulic rod twos 33 are operated to make the pressing blocks 34 abut against the upper area of the roof, so that the vehicle body is clamped and fixed by the upper and lower distributed pressing blocks 34, the clamping stability is good, the welding accuracy of the vehicle body is ensured, after welding, the hydraulic rod ones 31 and the hydraulic rod twos 33 are retracted, and the welded vehicle body is conveyed away by the conveying devices 7.

[0028] By operating the electric sliding tables 2, the spacing of the two groups of hydraulic rod ones 31 and the two groups of hydraulic rod twos 33 can be adjusted, so that the clamping points of the pressing blocks 34 on the vehicle body can be adjusted vertically according to the vehicle body, and the clamping demand of the vehicle body of different lengths can be adapted.

[0029] Universal support wheels one 4 are fixedly connected to the bottom of the sliding blocks of the electric sliding tables 2, and the sliding blocks of the electric sliding tables 2 are supported by the universal support wheels one 4.

[0030] The bottom of the support 32 is fixedly connected with a plurality of universal support wheels two 5, and the support 32 is supported through the universal support wheels two 5.

[0031] The pressing block 34 comprises a U-shaped mounting seat 341, and the inside of the mounting seat 341 is rotationally connected with a T-shaped pressing disc 342 through a shaft.

[0032] The side wall of the mounting seat 341 is fixedly connected with a driver 343, the driving end of the driver 343 is fixedly connected with the shaft of the pressing disc 342, the pressing disc 342 is driven to rotate through the driver 343, the inclination of the pressing disc 342 can be synchronously adjusted according to the curvature of the vehicle body, so that the pressing disc 342 can be attached to the vehicle body, and the clamping demand of various regions of the vehicle body can be met.

[0033] The surface of the pressing disc 342 is fixedly connected with a rubber pad 344, and the friction between the pressing disc 342 and the vehicle body is avoided through the rubber pad 344.

[0034] Embodiment two

[0035] Comparative embodiment one, please refer to Figure 5 As shown in the figure, another embodiment is provided, the base 1 is provided with a spacing adjusting assembly 6, the spacing adjusting assembly 6 comprises two slide rails 61, the slide rails 61 are fixedly installed on the two sides of the base 1, and the conveying device 7 is slidingly installed on the slide rails 61.

[0036] The two sides of the slide rail 61 are fixedly connected with hydraulic rods three 62, and the driving end of the hydraulic rods three 62 is fixedly connected with the conveying device 7, the spacing of the two groups of conveying devices 7 can be adjusted through the operation of the hydraulic rods three 62, so that the vehicle body of different widths can be conveyed, and the clamping point of the pressing block 34 on the vehicle body can be adjusted horizontally, and the clamping demand of the vehicle body of different widths can be met.

[0037] Through the personnel in the art, all electrical components in the case and the power supply matched therewith are connected through wires, and appropriate controllers should be selected and electrically connected with the hydraulic rod one 31, the hydraulic rod two 33, the hydraulic rod three 62, the conveying device 7, the electric sliding table 2 and the driver 343 according to actual conditions, so as to meet the control demand, and the specific connection and control sequence should be referred to the working principle below, the working sequence of each electrical component is completed, and the detailed connection means is a known technology in the art, and the working principle and process are mainly introduced below, and the electrical control is not described.

[0038] The working principle is that when in use, the vehicle body is placed on the conveying device 7 and conveyed to the clamping assembly 3, the hydraulic rod one 31 is extended to make the pressing block 34 abut against the lower area of the roof, then the hydraulic rod two 33 is operated to make the pressing block 34 abut against the upper area of the roof, so that the vehicle body is clamped and fixed by the upper and lower distributed pressing blocks 34, the clamping stability is good, the welding accuracy of the vehicle body is ensured, after the welding is completed, the hydraulic rod one 31 and the hydraulic rod two 33 are retracted, and the vehicle body after welding is conveyed away by the conveying device 7.

[0039] By operating the electric sliding table 2, the spacing of the two sets of hydraulic rod one 31 and the two sets of hydraulic rod two 33 can be adjusted, so that the clamping points of the pressing blocks 34 to the vehicle body can be adjusted vertically according to the vehicle body, and the clamping requirements of the vehicle body of different lengths can be adapted.

[0040] By operating the hydraulic rod three 62, the spacing of the two sets of conveying devices 7 can be adjusted, so that the vehicle bodies of different widths can be conveyed, and the clamping points of the pressing blocks 34 to the vehicle body can be adjusted horizontally, and the clamping requirements of the vehicle body of different widths can be adapted.

[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 combination 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 have been 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 principle 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 body welding fixture, comprising a base (1), two conveying devices (7) are installed above the base (1), characterized in that: The lower side wall of the conveying device (7) is fixedly connected with four electric sliding tables (2), the sliding block of the electric sliding table (2) is provided with a clamping assembly (3), the clamping assembly (3) comprises two hydraulic rods (31) and a U-shaped support (32), the two hydraulic rods (31) are respectively fixedly installed on the sliding blocks of the two electric sliding tables (2) on the inner side of the conveying device (7), the two supports (32) are respectively fixedly installed on the sliding blocks of the two electric sliding tables (2) on the outer side of the conveying device (7), the surface of the support (32) is fixedly connected with a hydraulic rod (33) corresponding to the hydraulic rod (31), and the driving ends of the hydraulic rods (31) and (33) are respectively fixedly connected with a pressing block (34).

2. The vehicle body welding fixture of claim 1, wherein: The bottom of the sliding block of the electric sliding table (2) is fixedly connected with a universal supporting wheel (4).

3. The vehicle body welding fixture of claim 1, wherein: The bottom of the support (32) is fixedly connected with a plurality of universal supporting wheels (5).

4. The vehicle body welding fixture of claim 1, wherein: The pressing block (34) comprises a U-shaped mounting seat (341), and a T-shaped pressing disc (342) is rotatably connected to the inside of the mounting seat (341) through a shaft.

5. The vehicle body welding fixture of claim 4, wherein: The side wall of the mounting seat (341) is fixedly connected with a driver (343), and the driving end of the driver (343) is fixedly connected with the shaft of the pressing disc (342).

6. The vehicle body welding fixture of claim 4, wherein: The surface of the pressing disc (342) is fixedly connected with a rubber pad (344).

7. The vehicle body welding fixture of claim 1, wherein: The base (1) is provided with a spacing adjusting assembly (6), the spacing adjusting assembly (6) comprises two slide rails (61), the slide rails (61) are fixedly installed on the two sides of the base (1), and the conveying device (7) is slidingly installed on the slide rails (61).

8. The vehicle body welding fixture of claim 7, wherein: The two sides of the slide rail (61) are respectively fixedly connected with a hydraulic rod (62), and the driving end of the hydraulic rod (62) is fixedly connected with the conveying device (7).

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