Automobile longitudinal beam reinforcing plate welding displacement device

Abstract

The utility model relates to the technical fields of welding device especially is involved in a kind of automobile longitudinal beam reinforcing plate welding positioner, it can flexibly adjust the interval of two sliding tables, it is convenient to clamping and fixing the longitudinal beam reinforcing plate of different size specifications, and good versatility;Including frame one, fixed clamp, two frame two and two press-fit components;Still including two slide rails, two sliding tables, multiple clamping blocks and two locking components, two slide rails are respectively installed on two frame two, two sliding tables are respectively slidably installed on two slide rails, multiple clamping blocks are installed on two sliding tables, multiple clamping blocks are used to support the two ends of longitudinal beam, two sliding tables are respectively located below two press-fit components, two press-fit components and two sliding tables cooperate to support and fix the two ends of longitudinal beam, locking component is set on two sliding tables, and locking component is used to position locking two sliding tables on two frame two.

Description

Technical Field

[0001] This utility model relates to the technical field of welding devices, and in particular to a welding displacement device for automotive longitudinal beam reinforcing plates. Background Technology

[0002] Welding positioners are required during the welding production of automotive parts. These positioners can change the position of welding machines, fixtures, etc., to weld automotive parts of different specifications. Various welding positioners are disclosed in the prior art. For example, a positioning fixture for automotive welding, disclosed in CN221065053U, includes a base frame. A drive assembly is housed inside the base frame. Two symmetrically arranged columns are mounted on the upper surface of the base frame. A lead screw is rotatably connected inside each column, with the bottom end of the lead screw passing through the column and connecting to the drive assembly inside the base frame. The lead screw is connected to the moving block via a lead screw nut. The two moving blocks are connected to the rotating frame via a rotating shaft. A servo motor is installed at the end of one of the moving blocks opposite to the rotating frame. This application can fix automotive parts by setting up a push plate, a first lead screw, a handwheel, and a fixing component. The angle of the rotating frame can be adjusted by setting up the servo motor and the rotating frame, which facilitates double-sided welding of automotive parts by workers. The height of the rotating frame can be adjusted by setting up the lead screw, moving block, and drive component, which facilitates welding of automotive parts by workers.

[0003] However, the fixing components of the aforementioned displacement tooling are not convenient to adjust their relative positions, making it inconvenient to clamp and fix automotive longitudinal beam reinforcement plates of different specifications, resulting in poor versatility. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a welding displacement device for automotive longitudinal beam reinforcing plates that can flexibly adjust the distance between two slides, facilitate clamping and fixing longitudinal beam reinforcing plates of different sizes and specifications, and has good versatility.

[0005] This utility model discloses a welding displacement device for automotive longitudinal beam reinforcement plates, comprising a frame one, a fixing clamp, two frames two, and two pressing assemblies. The fixing clamp is mounted on the frame one and is used to support and fix the middle part of the longitudinal beam. The two frames two are arranged on both sides of the frame one, and the two pressing assemblies are respectively mounted on the two frames two. It also includes two slide rails, two slide tables, multiple clamping blocks, and two locking assemblies. The two slide rails are respectively mounted on the two frames two, and the two slide tables are slidably mounted on the two slide rails. Multiple clamping blocks are installed on each of the two slide tables to support both ends of the longitudinal beam. The two slide tables are located below the two pressing assemblies, and the two pressing assemblies and the two slide tables cooperate to support and fix both ends of the longitudinal beam. Each of the two slide tables is equipped with... The system includes a locking assembly to position and lock the two slides onto the two frames. During operation, the two slides are moved along the two slide rails according to the specifications of the longitudinal beam reinforcing plate. The distance between the two slides is adjusted, and the two slides are locked onto the two frames using the locking assembly. The two ends of the longitudinal beam reinforcing plate are placed on multiple clamping blocks on the two slides, and the middle of the longitudinal beam reinforcing plate is supported and fixed by a fixing fixture. The two pressing assemblies descend to press the two ends of the longitudinal beam reinforcing plate onto the multiple clamping blocks, thus fixing the longitudinal beam reinforcing plate as a whole. The welding machine is then used to weld the longitudinal beam reinforcing plate. After welding, the longitudinal beam reinforcing plate is removed. The distance between the two slides can be flexibly adjusted, making it convenient to clamp and fix longitudinal beam reinforcing plates of different sizes and specifications, thus providing good versatility.

[0006] Preferably, the locking assembly includes a pull rod, a wedge, an eccentric wheel, and a lever. A V-shaped groove is provided on the second frame, parallel to the slide rail. A mounting groove is provided in the middle of the slide table. The upper part of the pull rod is slidably mounted in the mounting groove of the slide table, and the lower part of the pull rod passes through the groove of the second frame. The wedge is mounted on the upper part of the pull rod, and the lower part of the wedge extends into the groove of the second frame. The eccentric shaft of the eccentric wheel is rotatably connected to the lower end of the pull rod. One end of the lever is mounted on the wheel surface. The eccentric wheel and the lever are located below the second frame. When the position of the slide table needs to be adjusted, the lever is moved. The eccentric wheel rotates, causing its eccentric shaft to approach the second frame. This causes the pull rod to slide upward, which in turn causes the wedge to disengage from the bottom wall of the slide groove in the second frame, unlocking and releasing the slide table. At this point, the slide table can move along the slide rail. Once the slide table is in position, the lever is reversed to make the eccentric wheel rotate in the opposite direction, causing its eccentric shaft to move away from the second frame. The wheel surface of the eccentric wheel then rolls into contact with the lower surface of the second frame, causing the pull rod to slide downward. This causes the wedge to descend and press against the bottom wall of the slide groove, locking the slide table onto the slide rail. The operation is simple and the locking effect is good.

[0007] Preferably, the slide also includes a limiting plate and a first spring. The limiting plate is installed on the upper end of the pull rod, and the top of the mounting groove of the slide is provided with a limiting groove that matches the limiting plate. The wedge is slidably installed on the lower part of the pull rod, and the first spring is fitted on the top plate. The lower end of the first spring is connected to the wedge, and the upper end of the first spring is connected to the limiting plate. When the pull rod is pushed upward by the eccentric wheel, the limiting plate is pushed out of the limiting groove, and the first spring is released. The first spring pulls the wedge out of the slide, so that the wedge is separated from the bottom wall of the slide, thereby unlocking the slide. When the pull rod is pulled downward by the eccentric wheel, the limiting plate is engaged in the limiting groove and compresses the first spring. The elastic force of the first spring pushes the wedge downward, so that the wedge is pressed and locked on the bottom wall of the slide of the second frame, thereby locking the slide. At this time, the eccentric wheel is pressed against the lower end surface of the second frame by the elastic force of the first spring, improving the stability of the eccentric wheel.

[0008] Preferably, it also includes a wheel frame, a second spring, and a roller. The wheel frame is slidably mounted on the slide table. The lower end of the second spring is connected to the wheel frame, and the upper end of the second spring is connected to the slide table. The roller is rotatably mounted on the wheel frame and makes rolling contact with the upper end surface of the frame. When the slide table is locked on the slide rail, the second spring is compressed. When the slide table is unlocked, the elastic force of the second spring pushes the slide table upward, causing the slide table to disengage from the frame. At this time, the rolling action of the roller facilitates the movement of the slide table.

[0009] Preferably, it also includes multiple positioning holes and positioning rods. Multiple positioning holes are arranged in a matrix on the second frame, and the multiple positioning holes are arranged parallel to the slide rail. Positioning rods are installed on the lower end face of the slide table, and the positioning rods are inserted and aligned with the positioning holes. After adjusting the position of the slide table, the positioning rods are aligned with a positioning hole. When the slide table is pulled down and locked onto the slide rail and the second frame, the positioning rods are inserted into the positioning holes, thereby positioning the position of the slide table and improving accuracy.

[0010] Preferably, it also includes a sliding column, a top plate, a support plate, and a push cylinder. The sliding column is vertically mounted on the frame, the top plate is mounted on the top of the sliding column, the rear end of the support plate is slidably mounted on the sliding column, the front end of the support plate is located below the fixed fixture, the fixed end of the push cylinder is mounted on the top plate, and the lower end of the piston rod of the push cylinder is connected to the support plate. After the longitudinal beam reinforcing plate is welded, the piston rod of the push cylinder retracts and lifts the support plate upward along the sliding column, so that the support plate lifts the longitudinal beam reinforcing plate from the fixed fixture, which facilitates the unloading of the longitudinal beam reinforcing plate.

[0011] Preferably, it also includes an insert plate, a baffle, and a spring. The front part of the support plate is inclined downwards, the insert plate is slidably mounted on the front part of the support plate, the baffle is mounted on the front end of the insert plate, the front end of the spring is connected to the insert plate, and the rear end of the spring is connected to the support plate. When the support plate lifts the longitudinal beam reinforcing plate out of the fixed clamp, the longitudinal beam reinforcing plate slides forward along the inclined support plate to the baffle, so that the longitudinal beam reinforcing plate drives the baffle and the insert plate to extend forward. The spring is stretched to reduce the feeding speed of the longitudinal beam reinforcing plate and avoid the longitudinal beam reinforcing plate from being bumped and damaged.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: During operation, two slides are moved along two slide rails according to the specifications of the longitudinal beam reinforcing plate, the distance between the two slides is adjusted, and the two slides are locked on the two frames by two locking components. The two ends of the longitudinal beam reinforcing plate are placed on multiple clamping blocks of the two slides, and the middle part of the longitudinal beam reinforcing plate is supported and fixed by a fixing fixture. Two pressing components descend to press the two ends of the longitudinal beam reinforcing plate tightly onto multiple clamping blocks, so that the longitudinal beam reinforcing plate is fixed as a whole. The welding machine is operated to weld the longitudinal beam reinforcing plate. After welding, the longitudinal beam reinforcing plate is taken out. The distance between the two slides can be flexibly adjusted, which makes it convenient to clamp and fix longitudinal beam reinforcing plates of different sizes and specifications, and has good versatility. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a side view structural diagram of the present invention;

[0015] Figure 3 This is a structural diagram of the slide in the unlocked state;

[0016] Figure 4 This is a partial cross-sectional structural diagram of the frame and slide rails, etc.

[0017] Figure 5 It is a structural diagram of the slide, wedge, eccentric wheel, lever, limit plate, wheel frame, spring and roller, etc.

[0018] Figure 6 It is a structural diagram showing the disassembled state of the slide, wedge, eccentric wheel, lever, limit plate, wheel frame, spring and roller.

[0019] Figure 7 It is a structural diagram of the fixed clamp, frame 2, sliding column, top plate, support plate, push cylinder, insert plate, baffle and spring 3.

[0020] The following are labels in the attached diagram: 1. Frame 1; 2. Fixing clamp; 3. Frame 2; 4. Pressing assembly; 5. Slide rail; 6. Slide table; 7. Clamping block; 8. Pull rod; 9. Wedge block; 10. Eccentric wheel; 11. Lever; 12. Limiting plate; 13. Spring 1; 14. Wheel frame; 15. Spring 2; 16. Roller; 17. Sliding column; 18. Top plate; 19. Support plate; 20. Push cylinder; 21. Insert plate; 22. Baffle; 23. Spring 3; 24. Positioning hole; 25. Positioning rod. Detailed Implementation

[0021] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0022] like Figures 1 to 5 As shown, a welding displacement device for automotive longitudinal beam reinforcing plates includes a frame 1, a fixing clamp 2, two frames 3, and two pressing assemblies 4. The fixing clamp 2 is mounted on the frame 1 and is used to support and fix the middle part of the longitudinal beam. The two frames 3 are arranged on both sides of the frame 1, and the two pressing assemblies 4 are respectively mounted on the two frames 3. It also includes two slide rails 5, two slide tables 6, multiple clamping blocks 7, and two locking assemblies. The two slide rails 5 are respectively mounted on the two frames 3, and the two slide tables 6 are slidably mounted on the two slide rails 5. Multiple clamping blocks 7 are installed on each of the two slide tables 6, and the multiple clamping blocks 7 are used to support both ends of the longitudinal beam. The two slide tables 6 are respectively located below the two pressing assemblies 4, and the two pressing assemblies 4 and two... The slide table 6 supports and fixes both ends of the longitudinal beam. Locking components are installed on both slide tables 6 to position and lock them onto the two frames 3. The locking components include a pull rod 8, a wedge 9, an eccentric wheel 10, and a lever 11. A V-shaped groove is provided on the frame 3, parallel to the slide rail 5. An installation groove is provided in the middle of the slide table 6. The upper part of the pull rod 8 is slidably mounted in the installation groove of the slide table 6, and the lower part of the pull rod 8 passes through the groove of the frame 3. The wedge 9 is installed on the upper part of the pull rod 8, and the lower part of the wedge 9 extends into the groove of the frame 3. The eccentric shaft of the eccentric wheel 10 is rotatably connected to the lower end of the pull rod 8. One end of the lever 11 is mounted on the wheel surface. The eccentric wheel 10 and the lever 11 are located below the frame 3.

[0023] During operation, the two slide tables 6 are moved along the two slide rails 5 according to the specifications of the longitudinal beam reinforcing plate. The distance between the two slide tables 6 is adjusted. When the position of the slide table 6 needs to be adjusted, the lever 11 is turned to rotate the eccentric wheel 10, so that the eccentric shaft of the eccentric wheel 10 is close to the frame 2 3, thereby causing the pull rod 8 to slide upward, which in turn drives the wedge block 9 to disengage from the bottom wall of the slide groove of the frame 2 3, unlocking and releasing the slide table 6. At this time, it is convenient for the slide table 6 to move along the slide rail 5. After the slide table 6 moves into place, the lever 11 is turned in the opposite direction to rotate the eccentric wheel 10 in the opposite direction, so that the eccentric shaft of the eccentric wheel 10 is away from the frame 2 3, and the wheel surface of the eccentric wheel 10 is in contact with the frame 2 3. The lower surface rolls into contact, causing the pull rod 8 to slide downwards, which in turn drives the wedge block 9 to descend and press against the bottom wall of the slide groove, locking the slide table 6 onto the slide rail 5. The two ends of the longitudinal beam reinforcing plate are placed on multiple clamping blocks 7 of the two slide tables 6. The middle part of the longitudinal beam reinforcing plate is supported and fixed by the fixing clamp 2. The two pressing components 4 descend and press the two ends of the longitudinal beam reinforcing plate onto the multiple clamping blocks 7, so that the longitudinal beam reinforcing plate is fixed as a whole. The welding machine is operated to weld the longitudinal beam reinforcing plate. After welding, the longitudinal beam reinforcing plate is taken out. The distance between the two slide tables 6 can be flexibly adjusted, which makes it convenient to clamp and fix longitudinal beam reinforcing plates of different sizes and specifications. Example 2

[0024] like Figures 4 to 6 As shown, based on Embodiment 1, it also includes a limiting plate 12 and a first spring 13. The limiting plate 12 is installed on the upper end of the pull rod 8. The top of the mounting groove of the slide table 6 is provided with a limiting groove that matches the limiting plate 12. The wedge block 9 is slidably installed on the lower part of the pull rod 8. The first spring 13 is fitted on the top plate 18. The lower end of the first spring 13 is connected to the wedge block 9, and the upper end of the first spring 13 is connected to the limiting plate 12. It also includes a wheel frame 14, a second spring 15, and a roller 16. The wheel frame 14 lifts and slides. The frame 3 is mounted on the slide table 6. The lower end of the second spring 15 is connected to the wheel frame 14, and the upper end of the second spring 15 is connected to the slide table 6. The roller 16 is rotatably mounted on the wheel frame 14 and makes rolling contact with the upper end face of the frame 3. The frame 3 also includes multiple positioning holes 24 and positioning rods 25. Multiple positioning holes 24 are arranged in a matrix on the frame 3. The multiple positioning holes 24 are arranged parallel to the slide rail 5. The positioning rods 25 are installed on the lower end face of the slide table 6 and are inserted and aligned with the positioning holes 24.

[0025] When the pull rod 8 is pushed upward by the eccentric wheel 10, the limiting plate 12 is pushed out of the limiting groove, and the spring 13 is released. The spring 13 pulls the wedge 9 out of the slide groove, causing the wedge 9 to disengage from the bottom wall of the slide groove, thus unlocking the slide table 6. When the pull rod 8 is pulled downward by the eccentric wheel 10, the limiting plate 12 is engaged in the limiting groove, and the spring 13 is compressed. The elastic force of the spring 13 pushes the wedge 9 downward, causing the wedge 9 to be pressed and locked against the bottom wall of the slide groove of the frame 2 3, thus locking the slide table 6. At this time, the eccentric wheel 10 is pressed by the elastic force of the spring 13. On the lower end face of frame 2 3, the stability of the eccentric wheel 10 is improved. When the slide table 6 is locked on the slide rail 5, the spring 2 15 is compressed. When the slide table 6 is unlocked, the elastic force of the spring 2 15 pushes the slide table 6 upward, causing the slide table 6 to disengage from frame 2 3. At this time, the rolling action of the roller 16 facilitates the movement of the slide table 6. After adjusting the position of the slide table 6, the positioning rod 25 is aligned with a positioning hole 24. When the slide table 6 is pulled down and locked on the slide rail 5 and frame 2 3, the positioning rod 25 is inserted into the positioning hole 24, thereby positioning the position of the slide table 6. Example 3

[0026] like Figure 1 , Figure 2 and Figure 7 As shown, based on Embodiment 1, it also includes a sliding column 17, a top plate 18, a support plate 19, and a push cylinder 20. The sliding column 17 is vertically mounted on the frame 1, the top plate 18 is mounted on the top of the sliding column 17, the rear end of the support plate 19 is slidably mounted on the sliding column 17, the front end of the support plate 19 is located below the fixed clamp 2, the fixed end of the push cylinder 20 is mounted on the top plate 18, and the lower end of the piston rod of the push cylinder 20 is connected to the support plate 19. It also includes an insert plate 21, a baffle 22, and a spring 23. The front part of the support plate 19 is inclined downward, the insert plate 21 is slidably mounted on the front part of the support plate 19, the baffle 22 is mounted on the front end of the insert plate 21, the front end of the spring 23 is connected to the insert plate 21, and the rear end of the spring 23 is connected to the support plate 19.

[0027] After the longitudinal beam reinforcing plate is welded, the piston rod of the push cylinder 20 retracts, lifting the support plate 19 upward along the sliding column 17, so that the support plate 19 lifts the longitudinal beam reinforcing plate from the fixed clamp 2, making it easier for the longitudinal beam reinforcing plate to be unloaded. After the support plate 19 lifts the longitudinal beam reinforcing plate out of the fixed clamp 2, the longitudinal beam reinforcing plate slides forward along the inclined support plate 19 to the baffle 22, so that the longitudinal beam reinforcing plate drives the baffle 22 and the insert plate 21 to extend forward. The spring 3 23 is stretched, which reduces the unloading speed of the longitudinal beam reinforcing plate and avoids the longitudinal beam reinforcing plate from being bumped and damaged.

[0028] like Figures 1 to 7As shown, this utility model discloses a welding displacement device for automotive longitudinal beam reinforcing plates. During operation, it first moves two slide tables 6 along two slide rails 5 according to the specifications of the longitudinal beam reinforcing plate, adjusting the distance between the two slide tables 6 so that the positioning rod 25 aligns with a positioning hole 24. Then, it moves the lever 11 to cause the eccentric wheel 10 to rotate in the opposite direction, moving the eccentric shaft of the eccentric wheel 10 away from the frame 2 3, and causing the wheel surface of the eccentric wheel 10 to roll into contact with the lower surface of the frame 2 3. This causes the pull rod 8 to slide downwards, allowing the limiting plate 12 to engage in the limiting groove, compressing the spring 13. The elastic force of the spring 13 pushes the wedge block 9 downwards, causing the wedge block 9 to press and lock onto the bottom wall of the slide groove of the frame 2 3, thus locking the slide table 6 and securing it to the slide rail 5. The positioning rod 25 is then inserted into the... The longitudinal beam reinforcing plate is placed in the corresponding positioning hole 24, and then both ends of the longitudinal beam reinforcing plate are placed on multiple clamping blocks 7 of the two slide tables 6. The middle part of the longitudinal beam reinforcing plate is supported and fixed by the fixing clamp 2. The two pressing components 4 descend and press the two ends of the longitudinal beam reinforcing plate onto the multiple clamping blocks 7, so that the longitudinal beam reinforcing plate is fixed as a whole. The welding machine is operated to weld the longitudinal beam reinforcing plate. Finally, the welding is completed. The piston rod of the push cylinder 20 retracts and lifts the support plate 19 upward along the slide column 17, so that the support plate 19 lifts the longitudinal beam reinforcing plate on the fixing clamp 2. The longitudinal beam reinforcing plate slides forward along the inclined support plate 19 to the baffle 22, so that the longitudinal beam reinforcing plate drives the baffle 22 and the insert plate 21 to extend forward. The spring 3 23 is stretched to reduce the feeding speed of the longitudinal beam reinforcing plate and avoid the longitudinal beam reinforcing plate from being bumped and damaged.

[0029] The main functions achieved by this utility model are:

[0030] 1. The distance between the two slides 6 can be flexibly adjusted, making it convenient to clamp and fix longitudinal beam reinforcing plates of different sizes and specifications, with good versatility;

[0031] 2. The longitudinal beam reinforcing plate on the fixing fixture 2 is lifted out by the support plate 19 to facilitate the unloading of the longitudinal beam reinforcing plate. The unloading speed is reduced by setting the baffle 22, the insert plate 21 and the spring 23 to avoid the longitudinal beam reinforcing plate being bumped and damaged.

[0032] 3. The locking operation of slide 6 is simple and reliable.

[0033] The automotive longitudinal beam reinforcing plate welding displacement device of this utility model has common mechanical installation, connection or setting methods, and can be implemented as long as it can achieve its beneficial effect. The frame 1, fixing clamp 2, frame 2, pressing assembly 4, slide rail 5, slide table 6, clamping block 7, tie rod 8, eccentric wheel 10, spring 13, wheel frame 14, spring 2 15, roller 16, sliding column 17, top plate 18, push cylinder 20, and spring 3 23 of this utility model are purchased from the market. Technical personnel in this industry only need to install and operate it according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0034] All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0035] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A welding displacement device for a longitudinal beam reinforcing plate of an automobile, comprising a first frame (1), a fixing clamp (2), two second frames (3), and two pressing components (4), wherein the fixing clamp (2) is mounted on the first frame (1) and is used to support the middle part of the longitudinal beam; the two second frames (3) are arranged on both sides of the first frame (1); and the two pressing components (4) are respectively mounted on the two second frames (3); characterized in that, It also includes two slide rails (5), two slide tables (6), multiple clamping blocks (7) and two locking components. The two slide rails (5) are respectively installed on two frame two (3). The two slide tables (6) are respectively slidably installed on the two slide rails (5). Multiple clamping blocks (7) are installed on both slide tables (6). The multiple clamping blocks (7) are used to support the two ends of the longitudinal beam. The two slide tables (6) are respectively located below the two pressing components (4). The two pressing components (4) and the two slide tables (6) cooperate to support and fix the two ends of the longitudinal beam. Locking components are provided on both slide tables (6). The locking components are used to position and lock the two slide tables (6) on the two frame two (3).

2. The welding displacement device for automotive longitudinal beam reinforcing plates as described in claim 1, characterized in that, The locking assembly includes a pull rod (8), a wedge (9), an eccentric wheel (10), and a lever (11). A V-shaped groove is provided on the frame two (3), and the groove is parallel to the slide rail (5). An installation groove is provided in the middle of the slide table (6). The upper part of the pull rod (8) is slidably installed in the installation groove of the slide table (6). The lower part of the pull rod (8) passes through the groove of the frame two (3). The wedge (9) is installed on the upper part of the pull rod (8), and the lower part of the wedge (9) extends into the groove of the frame two (3). The eccentric shaft of the eccentric wheel (10) is rotatably connected to the lower end of the pull rod (8). One end of the lever (11) is installed on the wheel surface. The eccentric wheel (10) and the lever (11) are located below the frame two (3).

3. The welding displacement device for automotive longitudinal beam reinforcing plates as described in claim 2, characterized in that, It also includes a limiting plate (12) and a spring (13). The limiting plate (12) is installed on the upper end of the pull rod (8). The top of the mounting groove of the slide (6) is provided with a limiting groove that matches the limiting plate (12). The wedge (9) is slidably installed on the lower part of the pull rod (8). The spring (13) is fitted on the top plate (18). The lower end of the spring (13) is connected to the wedge (9), and the upper end of the spring (13) is connected to the limiting plate (12).

4. The welding displacement device for automotive longitudinal beam reinforcing plates as described in claim 1, characterized in that, It also includes a wheel frame (14), a second spring (15) and a roller (16). The wheel frame (14) is slidably mounted on the slide table (6). The lower end of the second spring (15) is connected to the wheel frame (14), and the upper end of the second spring (15) is connected to the slide table (6). The roller (16) is rotatably mounted on the wheel frame (14), and the roller (16) makes rolling contact with the upper surface of the frame (3).

5. The welding displacement device for automotive longitudinal beam reinforcing plates as described in claim 1, characterized in that, It also includes multiple positioning holes (24) and positioning rods (25). Multiple positioning holes (24) are set in a matrix on the frame two (3). The multiple positioning holes (24) are arranged in parallel with the slide rail (5). Positioning rods (25) are installed on the lower end face of the slide table (6). Positioning rods (25) are inserted and aligned with positioning holes (24).

6. The welding displacement device for automotive longitudinal beam reinforcing plates as described in claim 1, characterized in that, It also includes a sliding column (17), a top plate (18), a support plate (19) and a push cylinder (20). The sliding column (17) is vertically mounted on the frame (1), the top plate (18) is mounted on the top of the sliding column (17), the rear end of the support plate (19) is slidably mounted on the sliding column (17), the front end of the support plate (19) is located below the fixed clamp (2), the fixed end of the push cylinder (20) is mounted on the top plate (18), and the lower end of the piston rod of the push cylinder (20) is connected to the support plate (19).

7. The welding displacement device for automotive longitudinal beam reinforcing plates as described in claim 6, characterized in that, It also includes a plug plate (21), a baffle (22) and a spring three (23). The front part of the support plate (19) is tilted downward. The plug plate (21) is slidably mounted on the front part of the support plate (19). The baffle (22) is mounted on the front end of the plug plate (21). The front end of the spring three (23) is connected to the plug plate (21), and the rear end of the spring three (23) is connected to the support plate (19).

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