High-stability vehicle body welding device

Abstract

The utility model discloses a high-stability car body welding device which comprises a bottom plate, positioning plates are arranged on the two sides of the bottom plate, installation holes are formed in the positioning plates, first air cylinders with the stroke ends connected with the positioning plates are installed on the two sides of the bottom plate, and supporting mechanisms are arranged between the adjacent positioning plates. The supporting mechanism comprises a first supporting roller and a second supporting roller which are adjustable in height, the first supporting roller and the second supporting roller are perpendicular to the positioning plate, lifting frames are fixed to the two ends of the bottom plate, pressing rollers adjustable in height are arranged in the lifting frames, and each pressing roller comprises a mounting frame internally provided with a roller. Compared with the prior art, due to the fact that the positioning plate, the supporting mechanism and the pressing roller are arranged, the second supporting roller supports a vehicle body and a framework with different radians, the contact area is greatly increased, the clamping stability is improved, welding is convenient, and the use flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vehicle body welding, in particular to a high stability vehicle body welding device. BACKGROUND

[0002] The automobile is composed of a vehicle body framework, an engine, a control system and the like, and the vehicle body framework needs to be welded in automobile processing, and two adjacent vehicle bodies need to be clamped during welding. The existing patent (publication number: CN116038224A) discloses a kind of automobile body welding fixture, the invention is clamped by setting clamping assembly, using adaptive clamping block, so that it is more fitted to automobile body, so that the clamping stress point of automobile body is more uniform, increase the stability of positioning, it is favorable to welding, but the technical scheme of the above-mentioned invention still stays in the stage of clamping vehicle body using clamping plate, single adaptive clamping block cannot be applied to all vehicle bodies, and adaptive clamping block needs to be replaced, so that each vehicle body needs corresponding adaptive clamping block, not only greatly increase the number of accessories, but also increase processing cost, also limit practical application. For this reason, we propose a kind of high stability vehicle body welding device. SUMMARY

[0003] To solve the above problems, the utility model provides a kind of high stability vehicle body welding device.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] Design a kind of high stability vehicle body welding device, including bottom plate, the bottom plate both sides are equipped with positioning plate, installation hole is set up on the positioning plate, the bottom plate both sides are equipped with the cylinder one of stroke end and positioning plate connection, support mechanism is equipped between adjacent positioning plate, the support mechanism includes height adjustable support roller one and support roller two, the support roller one and support roller two are perpendicular to positioning plate, the bottom plate both ends are fixed with lifting frame, the lifting frame is equipped with height adjustable press roll, the press roll includes the mounting bracket of inner installation roll cylinder.

[0006] In the above scheme, the support roller one is located in the middle of positioning plate, and the support roller two can rotate around the shaft of support roller one.

[0007] In the above scheme, the support mechanism further includes support one and support two, the support roller one is installed in support one, the support roller two is installed in support two, the bottom plate is respectively equipped with the cylinder two of stroke end and the both sides connection of support one, the support one is equipped with motor two and one end transmission connection of support two.

[0008] In the above scheme, the other end bottom of support two and the bottom plate are movably connected with gas spring.

[0009] The bottom plate is provided with a distance measuring sensor on each side thereof and faces the positioning plate.

[0010] The lifting frame is provided with a third cylinder at the top thereof, and the third cylinder is connected with the mounting frame.

[0011] The lifting frame is provided with a third cylinder at the top thereof, and the third cylinder is connected with the mounting frame.

[0012] The welding device has the advantages that: the positioning plate, the supporting mechanism and the pressing roller are arranged, the two side frame parts of the vehicle body are installed by using the positioning plate, the bottom of the vehicle body to be welded with the frame is supported by using the supporting roller one and the supporting roller two, the vehicle body is pressed down by cooperating with the pressing roller, the welded vehicle body is stably clamped, compared with the prior art, the frame and the vehicle body to be welded can be positioned and clamped, the supporting roller one and the supporting roller two can be adapted to the height of the top inner wall of the frame and the vehicle body by controlling the second cylinder, the clamping angle between the supporting frame two and the supporting frame one is adjusted by cooperating with the second motor, the supporting roller two can fully support the vehicle body and the frame with different radii, the contact area is greatly increased, the clamping stability is improved, one set of structure can be applied to different vehicle bodies and frames, welding is facilitated, and the use flexibility is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Fig. 1 A structural schematic view of a high-stability vehicle body welding device is provided for the present application.

[0015] Fig. 2 A structural schematic view of a high-stability vehicle body welding device is provided for the present application.

[0016] Fig. 3 A structural schematic view of a high-stability vehicle body welding device is provided for the present application.

[0017] In the figure: base plate 1, positioning plate 2, mounting hole 3, cylinder 4, motor 5, support mechanism 6, support 61, support roller 62, cylinder 63, support 64, support roller 65, motor 66, gas spring 67, lifting frame 7, compression roller 8, mounting frame 81, roller 82, cylinder 9, lead screw 10, sliding seat 11, pulley 12, distance sensor 13. DETAILED DESCRIPTION

[0018] The specific embodiments of the utility model will be further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a high-stability vehicle body welding device, including base plate 1, positioning plate 2 is equipped on the both sides of base plate 1, and mounting hole 3 is opened in positioning plate 2, and cylinder 4 connected with positioning plate 2 is installed on the both sides of base plate 1;

[0020] Further, the both sides of base plate 1 are equipped with distance sensor 13 towards positioning plate 2;Distance sensor 13 is used to detect the distance between positioning plate 2 and the side of base plate 1, and then determine the distance between adjacent positioning plate 2;

[0021] Specifically, in practical application, vehicle body welding is that vehicle body plate and framework are spliced and welded, and the framework is fixed with positioning plate 2 using fastener, and the position of framework is fixed at this time, and the distance between adjacent framework can be indirectly adjusted by controlling the length of piston rod of cylinder 4 to cooperate with vehicle body, and positioning plate 2 bottom is equipped with sliding block, and sliding groove matched with sliding block is opened in base plate 2 to facilitate the movement of positioning plate 2.

[0022] Support mechanism 6 is equipped between adjacent positioning plate 2, and support mechanism 6 includes height-adjustable support roller 62 and support roller 65, and support roller 62 and support roller 65 are perpendicular to positioning plate 2;

[0023] Further, support roller 62 is located in the middle of positioning plate 2, and support roller 65 can rotate around the axis of support roller 62, and support roller 62 is used to support the middle of vehicle body, and support roller 65 is used to support the end of vehicle body;

[0024] Further, support mechanism 6 further includes support 61 and support 64, support roller 62 is installed in support 61, and support roller 65 is installed in support 64, and cylinder 63 connected with the both sides of support 61 is installed on base plate 1, and motor 66 transmissionally connected with one end of support 64 is installed on support 61.

[0025] Specifically, the support two 64 is connected with the support one 61 through a rotating shaft at one end of the support one 61, the motor two 66 is fixed on the support one 61 and is in transmission connection with the rotating shaft, and the motor two 66 is a stepping motor; when the motor two 66 is started, the rotating shaft and the support two are driven to rotate, so that the support roller two 65 moves up and down relative to the support roller one 62.

[0026] Further, the other end of the support two 64 is movably connected with the bottom plate 1 through the gas spring 67; the gas spring 67 is used to support the other end of the support two 64, prevent the support two 64 from collapsing, and improve the stability of the support two 64.

[0027] The lifting frame 7 is fixed at both ends of the bottom plate 1, and the lifting frame 7 is internally provided with a height-adjustable compression roller 8; the compression roller 8 comprises a mounting frame 81 internally provided with a roller cylinder 82.

[0028] Further, the lifting frame 7 is provided at the top with a gas cylinder three 9 connected with the mounting frame 81; the gas cylinder three 9 is used to adjust the height of the compression roller 8 by controlling the length of the piston rod of the gas cylinder three 9, so as to adapt to the vehicle body.

[0029] Further, the lifting frame 7 is vertically movably installed with a lead screw 10 between both ends and the bottom plate 1, the lead screw 10 is threadedly connected with a sliding seat 11 connected with the mounting frame 81, the lifting frame 7 is provided at the top with a motor one 5, the motor one 5 and the top end of the lead screw 10 are both provided with a belt pulley 12, and the belt pulleys 12 are connected with a belt.

[0030] Specifically, the belt pulley comprises a small belt pulley and a large belt pulley, the small belt pulley is mounted on the output shaft of the motor one 5, the large belt pulley is mounted at the top end of the lead screw 10, and two sections of the belt connected with the large belt pulley are sleeved on the small belt pulley, so as to simultaneously drive the lead screw 10; when the lead screw 10 rotates, the sliding seat 11 moves up and down along the lead screw 10, and in turn drives the compression roller 8 to move up and down.

[0031] Specifically, by setting the positioning plate 2, the support mechanism 6 and the compression roller 8, the vehicle body is installed on both sides of the positioning plate 2, the support roller one 62 and the support roller two 65 are used to support the bottom of the vehicle body to be welded with the skeleton, and the compression roller 8 is used to press down the vehicle body, so as to stably clamp the welded vehicle body; compared with the prior art, not only the skeleton and the vehicle body to be welded can be positioned and clamped, but also the support roller one and the support roller can adapt to the height of the top inner wall of the skeleton and the vehicle body by controlling the gas cylinder two 63, and the angle between the support two 64 and the support one 61 can be adjusted by the motor two 66, so that the support roller two 65 can fully support the vehicle body and the skeleton with different curvatures, the contact area is greatly increased, the clamping stability is improved, and one set of structure can be applied to different vehicle bodies and skeletons, which is convenient for welding and improves the use flexibility.

[0032] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high-stability vehicle body welding device, comprising a base plate (1), characterized in that, The base plate (1) is provided with positioning plates (2) on both sides. The positioning plates (2) are provided with mounting holes (3). The base plate (1) is provided with cylinders (4) whose stroke ends are connected to the positioning plates (2) on both sides. A support mechanism (6) is provided between adjacent positioning plates (2). The support mechanism (6) includes a height-adjustable support roller (62) and a support roller (65). The support roller (62) and the support roller (65) are perpendicular to the positioning plates (2). The base plate (1) is fixed with lifting frames (7) at both ends. The lifting frames (7) are provided with height-adjustable pressure rollers (8). The pressure rollers (8) include mounting frames (81) with rollers (82) installed inside.

2. The high-stability car body welding device according to claim 1, characterized in that, The first support roller (62) is located in the middle of the positioning plate (2), and the second support roller (65) can rotate axially around the first support roller (62).

3. The high-stability car body welding device according to claim 2, characterized in that, The support mechanism (6) further includes a first bracket (61) and a second bracket (64). The first support roller (62) is installed inside the first bracket (61), and the second support roller (65) is installed inside the second bracket (64). The bottom plate (1) is respectively equipped with a second cylinder (63) whose stroke end is connected to both sides of the first bracket (61). The first bracket (61) is equipped with a second motor (66) that is drivenly connected to one end of the second bracket (64).

4. The high-stability car body welding device according to claim 3, characterized in that, A gas spring (67) is movably connected between the bottom of the other end of the bracket (64) and the base plate (1).

5. The high-stability car body welding device according to claim 1, characterized in that, The base plate (1) is provided with distance sensors (13) facing the positioning plate (2) on both sides.

6. The high-stability car body welding device according to claim 1, characterized in that, The top of the lifting frame (7) is equipped with a cylinder three (9) whose stroke end is connected to the mounting frame (81).

7. The high-stability vehicle body welding device according to claim 1, characterized in that, A lead screw (10) is movably installed between the two ends of the lifting frame (7) and the base plate (1). A sliding seat (11) connected to the mounting frame (81) is threaded onto the lead screw (10). A motor (5) is installed on the top of the lifting frame (7). A pulley (12) is installed on the top of both the motor (5) and the lead screw (10). A belt is connected between the pulleys (12).

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