CN220902269U

CN220902269U - Frame cross beam positioning welding device

Info

Publication number: CN220902269U
Application number: CN202322328480.1U
Authority: CN
Inventors: 吴京涛; 王伟; 张琦; 韩宗祥; 李志春; 赵坤; 李赛强
Original assignee: Shandong Kama Automobile Manufacturing Co ltd
Current assignee: Shandong Kama Automobile Manufacturing Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-05-07
Anticipated expiration: 2033-08-29

Abstract

Frame crossbeam fixed-position welding set relates to crossbeam welding set technical field, including the support, rotate on the support and be equipped with the rotation axis and be the rotor plate that the level set up, slide side by side on the rotor plate and be equipped with two mounting frames, be equipped with two clamp splice that are opposite to each other and opposite movement from top to bottom on the front of mounting frame, the horizontal rigid coupling has flexible jar in the mounting frame, flexible end rigid coupling of flexible jar has the movable plate that is trapezoidal setting, the upper end horizontal slip of support is equipped with along the fixed frame of vertical lift, still be equipped with the slide along vertical reciprocal slip on the fixed frame, still be equipped with welder main part along the lateral sliding on the slide. The utility model solves the problems that the device in the prior art has a screw sliding along with long-time use, the clamping block cannot clamp the cross beam after the screw sliding, the cross beam is easy to drop, the cross beam needs to be detached when welding other surfaces after one surface of the cross beam is welded, and the welding efficiency is seriously reduced after adjustment.

Description

Frame cross beam positioning welding device

Technical Field

The utility model relates to the technical field of beam welding devices, in particular to a positioning welding device for a vehicle frame beam.

Background

The automobile auxiliary frame beam is a cavity body formed by welding an upper sheet stamping part and a lower sheet stamping part into a whole, and the auxiliary frame beam is provided with a mounting hole connected with the swing arm and the shock absorber, so that the mounting of the swing arm and the shock absorber can be influenced by the height of the auxiliary frame beam cavity (namely the space distance between the upper plate and the lower plate). During welding, the lower plate process hole is aligned with a fixed positioning pin on the tool, and then the upper plate is put into a plug block at the position of the mounting hole to ensure the height of the cavity of the beam; however, in the actual welding process, as the plate is heated and deformed, after the auxiliary frame cross beam is welded into a whole, the cross beam interferes with the locating pin on the tool due to thermal stress deformation, so that the manual workpiece taking is difficult, and the working efficiency is affected; because of the thermal deformation of the plate, the chock plugged in the cavity of the cross beam is difficult to take out, the working efficiency is affected, and even the size of the cavity of the part is inaccurate, and the product quality is affected.

The prior art discloses a patent with the publication number CN110711965A, which comprises a first positioning device, a second positioning device, a third positioning device and a clamping device which are all arranged on a base device; the first positioning device comprises a main pin positioning mechanism and an auxiliary pin positioning mechanism, wherein the main pin positioning mechanism comprises a telescopic pin pushing cylinder, a telescopic pin cylinder mounting support, a main positioning pin and a main pin guide block; the telescopic pin cylinder mounting support is arranged on the base device, the telescopic pin pushing cylinder penetrates through the cavity of the telescopic pin cylinder mounting support, and the main positioning pin is connected with the connecting rod end of the telescopic pin pushing cylinder through the mounting groove at the end part of the main positioning pin; the main pin guide block is fastened on the end face of the telescopic pin cylinder mounting support; a positioning block is further arranged on one side face of the telescopic pin cylinder mounting support, difficult assembly caused by over positioning can be prevented, damage to parts and abrasion of tools can be prevented, working efficiency is improved, and service life is prolonged.

The prior art, including the above patents, has also gradually revealed the disadvantages of this technology with use, mainly in the following aspects:

First, frame crossbeam fixed-position welding set is the device that fixes the crossbeam and weld it, and current crossbeam welding set is mainly fixed the crossbeam, and the technicians uses welder to weld it, but the work of technicians 'long-time handheld welder not only can reduce welding efficiency but also can lead to technician's welding error rate to improve to make the product defective rate.

Second, current frame crossbeam fixed-position welding set is when fixing different crossbeams, mainly is through motor drive screw rod, and the screw rod drives the clamp splice and presss from both sides tightly to the crossbeam, but has the problem of smooth silk along with long-time use screw rod, leads to the clamp splice to not pressing from both sides tight to the crossbeam after the screw rod slides the silk, and the crossbeam takes place to drop easily, and need pull down the crossbeam when welding other surfaces after the crossbeam one side welding is accomplished, will fix the welding again after the adjustment, seriously reduced welding efficiency.

Thirdly, when the frame cross beam is welded, a part of welding areas need a technician to spot weld the welding areas, and when the technician holds the welding gun blocking cross beam for electric welding, the welding gun blocking cross beam needs to reciprocate for a plurality of times, so that the workload of the technician is increased.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model solves the problems that the screw rod of the device in the prior art has a sliding wire along with long-time use, the clamping block cannot clamp the cross beam after the screw rod slides, the cross beam easily falls off, the cross beam needs to be detached when welding other surfaces after one surface of the cross beam is welded, and the cross beam is fixed and welded after being adjusted, so that the welding efficiency is seriously reduced.

In order to solve the problems, the utility model provides the following technical scheme:

The frame cross beam positioning welding device comprises a bracket, a rotating plate with a rotating axis horizontally arranged is rotationally arranged on the bracket, two mounting frames are arranged on the rotating plate in parallel in a sliding manner, two clamping blocks which do opposite and opposite movements are arranged on the front surface of the mounting frames from top to bottom, a telescopic cylinder is horizontally fixedly connected in the mounting frames, a moving plate which is arranged in a trapezoid manner is fixedly connected at the telescopic end of the telescopic cylinder, a driving block which is in friction and offset with the inclined side wall of the moving plate is fixedly connected at the back surface of the clamping block,

The upper end of the support is provided with a fixing frame which can be lifted vertically in a horizontal sliding manner, a sliding plate is further arranged on the fixing frame in a vertical reciprocating manner, and a welding gun main body is further arranged on the sliding plate in a transverse sliding manner.

As an optimized scheme, a cam is rotationally arranged on the fixed frame, and a guide block which is in friction and offset with the peripheral wall of the cam is fixedly connected to the lower surface of the sliding plate.

As an optimized scheme, a supporting frame is fixedly connected to the sliding plate, square sliding rods are horizontally fixedly connected to opposite side walls of the welding gun main body respectively, and the welding gun main body is slidably mounted on the supporting frame through the square sliding rods.

As an optimized scheme, the upper part of the driving block is T-shaped and provided with a sliding groove, and the inclined side wall of the moving plate is fixedly connected with a sliding block constrained in the sliding groove.

As an optimized scheme, a rectangular sliding groove is vertically formed in the upper portion of the mounting frame, and a rectangular sliding block constrained in the rectangular sliding groove is fixedly connected to the side wall of the clamping block.

As an optimized scheme, the rotary plate is provided with parallel horizontal sliding grooves which are arranged in a T shape, and the back surface of the mounting frame is fixedly connected with horizontal sliding blocks which are restrained in the horizontal sliding grooves.

As an optimized scheme, two ends of the rotating plate are respectively and vertically fixedly connected with side plates, the two side plates are respectively and rotatably installed on the support through rotating shafts, and one rotating shaft extends to the outside of the support and is inserted with a rotating handle in a sliding manner.

As an optimized scheme, the outer wall of the rotating shaft is fixedly connected with a circumferential limit guide plate, an inner hole of the rotating handle is provided with a circumferential limit sliding groove matched with the circumferential limit guide plate, the outer ring of the rotating handle is provided with a plurality of fixing rods in a surrounding mode, and the side wall of the support is provided with fixing holes matched with the fixing rods.

As an optimized scheme, guide posts and rotating screw rods are horizontally arranged between the opposite side walls of the support in parallel, a movable frame is connected to the screw rods in a threaded mode, the movable frame is further slidably mounted on the guide posts, a lifting cylinder is vertically fixedly connected to the movable frame, and the telescopic end of the lifting cylinder is fixedly connected to the fixed frame.

As an optimized scheme, the upper end part of the welding gun main body is fixedly connected with a handle.

As an optimized scheme, a first motor for driving the screw rod to rotate is fixedly connected to the outer wall of the bracket.

As an optimized scheme, the outer wall of the fixed frame is fixedly connected with a second motor for driving the cam to rotate.

Compared with the prior art, the utility model has the beneficial effects that:

When the cross beam is fixed, the mounting frame is moved to a length matched with the cross beam, the telescopic cylinder is started, the movable plate is pulled by the telescopic cylinder to horizontally move, and under the action of the sliding groove and the sliding block, the movable plate is utilized to drive the two driving blocks to move in opposite directions, so that the two clamping blocks are driven to relatively move until the clamping blocks fix the cross beam, the problem that the clamping blocks are loosened due to long-time use of the fixing device is solved, and the stability of the fixing device on the cross beam is improved;

When welding different surfaces of the cross beam, the rotating handle is horizontally pulled, the rotating handle moves along the circumferential limiting guide plate, the fixing rod is driven to move until the fixing rod is separated from the fixing hole, the rotating handle is rotated, the rotating handle drives the rotating plate to rotate, the cross beam is driven to rotate, and when the rotating handle rotates to a proper angle, the fixing rod on the rotating handle is inserted into the fixing hole to fix the cross beam, so that the cross beam processing angle is convenient to adjust, and the welding efficiency is improved;

When the cross beam is welded, the first motor is started, the first motor drives the welding gun main body to realize horizontal sliding in the length direction of the cross beam, the lifting cylinder is started, the lifting cylinder drives the welding gun main body to realize vertical movement, the welding gun is held by hands, the welding gun main body can horizontally slide along the width direction of the cross beam under the action of the square slide bar, the hand burden of technicians is reduced, the welding efficiency of the technicians is improved, and the welding error rate is reduced;

When the beam is welded, the second motor is started, the second motor drives the cam to rotate, the cam drives the welding gun to vertically reciprocate, the beam is welded, automatic spot welding is carried out on the beam, and the function of reducing work load of technicians is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is a schematic structural view of a clamping block according to the present utility model.

In the figure: 1-a bracket; 2-rotating plate; 3-a mounting frame; 4-clamping blocks; 5-moving plate; 6-a telescopic cylinder; 7-a driving block; 8-a chute; 9-rectangular sliding grooves; 10-horizontal sliding blocks; 11-a rotating shaft; 12-rotating handle; 13-a circumferential limit guide plate; 14-fixing rod; 15-fixing holes; 16-screw rod; 17-guide posts; 18-moving the frame; 19-lifting cylinders; 20-fixing a frame; 21-a skateboard; 22-a support frame; 23-a welding gun main body; 24-square slide bar; 25-a second motor; 26-a first motor.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

As shown in figures 1 and 2, the frame beam positioning welding device comprises a bracket 1, a rotating plate 2 with a rotating shaft 11 line horizontally arranged is rotationally arranged on the bracket 1, two mounting frames 3 are arranged on the rotating plate 2 in parallel in a sliding manner, two clamping blocks 4 which do opposite and opposite movements are arranged on the front surface of the mounting frame 3 from top to bottom, a telescopic cylinder 6 is horizontally fixedly connected in the mounting frame 3, a moving plate 5 which is in a trapezoid arrangement is fixedly connected at the telescopic end of the telescopic cylinder 6, a driving block 7 which is in friction and offset with the inclined side wall of the moving plate 5 is fixedly connected at the back surface of the clamping block 4,

The upper end of the bracket 1 is horizontally provided with a fixing frame 20 which is vertically lifted, the fixing frame 20 is also provided with a sliding plate 21 in a vertically reciprocating sliding way, and the sliding plate 21 is also provided with a welding gun main body 23 in a horizontally sliding way.

The fixed frame 20 is provided with a vertical chute 8 which is T-shaped, and one end of a sliding plate 21 is fixedly connected with a vertical sliding block which is restrained in the vertical chute 8.

The fixed frame 20 is rotatably provided with a cam, and the lower surface of the slide plate 21 is fixedly connected with a guide block which is in friction contact with the peripheral wall of the cam.

The sliding plate 21 is fixedly connected with a supporting frame 22, and the opposite side walls of the welding gun main body 23 are respectively and horizontally fixedly connected with square sliding rods 24 and are slidably arranged on the supporting frame 22 through the square sliding rods 24.

The upper part of the driving block 7 is T-shaped and provided with a chute 8, and the inclined side wall of the moving plate 5 is fixedly connected with a sliding block constrained in the chute 8.

A rectangular sliding groove 9 is vertically formed in the upper part of the mounting frame 3, and a rectangular sliding block constrained in the rectangular sliding groove 9 is fixedly connected to the side wall of the clamping block 4.

The rotary plate 2 is provided with parallel horizontal sliding grooves 8 which are arranged in a T shape, and the back surface of the mounting frame 3 is fixedly connected with a horizontal sliding block 10 which is restrained in the horizontal sliding grooves 8.

Two ends of the rotating plate 2 are respectively and vertically fixedly connected with side plates, the two side plates are respectively and rotatably arranged on the bracket 1 through rotating shafts 11, one rotating shaft 11 extends to the outside of the bracket 1 and is provided with a rotating handle 12 in a sliding and inserting mode.

The outer wall of the rotating shaft 11 is fixedly connected with a circumferential limit guide plate 13, an inner hole of the rotating handle 12 is provided with a circumferential limit chute 8 matched with the circumferential limit guide plate 13, the outer ring of the rotating handle 12 is provided with a plurality of fixing rods 14, and the side wall of the bracket 1 is provided with fixing holes 15 matched with the fixing rods 14.

A guide post 17 and a rotating screw rod 16 are horizontally arranged between the opposite side walls of the bracket 1 in parallel, a movable frame 18 is connected to the screw rod 16 in a threaded manner, the movable frame 18 is further slidably mounted on the guide post 17, a lifting cylinder 19 is vertically fixedly connected to the movable frame 18, and a fixed frame 20 is fixedly connected to the telescopic end of the lifting cylinder 19.

A handle is fixedly connected to the upper end of the welding gun body 23.

The outer wall of the bracket 1 is fixedly connected with a first motor 26 for driving the screw rod 16 to rotate.

A second motor 25 for driving the cam to rotate is fixedly connected to the outer wall of the fixed frame 20.

The working principle of the device is as follows:

When the beam is fixed, the mounting frame 3 is moved to a length matched with the beam, the telescopic cylinder 6 is started, the telescopic cylinder 6 pulls the moving plate 5 to horizontally move, and under the action of the sliding groove 8 and the sliding block, the moving plate 5 is utilized to drive the two driving blocks 7 to oppositely move, so that the two clamping blocks 4 are driven to relatively move until the clamping blocks 4 fix the beam, the aim of preventing the clamping blocks 4 from loosening due to long-time use of the fixing device is fulfilled, and the stability of the fixing device for fixing the beam is improved;

When welding different surfaces of the cross beam, the rotating handle 12 is horizontally pulled, the rotating handle 12 moves along the circumferential limit guide plate 13 to drive the fixed rod 14 to move until being separated from the fixed hole 15, the rotating handle 12 is rotated, the rotating handle 12 drives the rotating plate 2 to rotate, the cross beam is driven to rotate, and when the rotating handle rotates to a proper angle, the fixed rod 14 on the rotating handle 12 is inserted into the fixed hole 15 to fix the cross beam, so that the cross beam processing angle is convenient to adjust, and the welding efficiency is improved;

When the cross beam is welded, the first motor 26 is started, the first motor 26 drives the welding gun main body 23 to realize horizontal sliding in the length direction of the cross beam, the lifting cylinder 19 is started, the lifting cylinder 19 drives the welding gun main body 23 to realize vertical movement, the welding gun is held by hands, the welding gun main body 23 can horizontally slide along the width direction of the cross beam under the action of the square slide bar 24, the hand burden of a technician is reduced, the welding efficiency of the technician is improved, and the welding error rate is reduced;

When the beam is welded, the second motor 25 is started, the second motor 25 drives the cam to rotate, the cam drives the welding gun to vertically reciprocate, the beam is welded, automatic spot welding is carried out on the beam, and the function of reducing the work load of technicians is achieved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims

1. Frame crossbeam fixed-position welding set, its characterized in that: comprises a bracket (1), a rotating plate (2) with a rotating shaft (11) arranged horizontally is rotationally arranged on the bracket (1), two mounting frames (3) are arranged on the rotating plate (2) in parallel in a sliding manner, two clamping blocks (4) which do opposite and opposite movements are arranged on the front surface of the mounting frames (3) from top to bottom, a telescopic cylinder (6) is horizontally fixedly connected in the mounting frames (3), a moving plate (5) which is arranged in a trapezoid manner is fixedly connected at the telescopic end of the telescopic cylinder (6), a driving block (7) which is in friction and offset with the inclined side wall of the moving plate (5) is fixedly connected at the back surface of the clamping block (4),

The upper end part of the support (1) horizontally slides and is provided with a fixing frame (20) which is lifted vertically, the fixing frame (20) is also provided with a sliding plate (21) in a vertical reciprocating sliding manner, and the sliding plate (21) is also provided with a welding gun main body (23) in a horizontal sliding manner.

2. The frame rail weld fixture of claim 1, wherein: the fixed frame (20) is rotatably provided with a cam, and the lower surface of the sliding plate (21) is fixedly connected with a guide block which is in friction and propping against the peripheral wall of the cam.

3. The frame rail weld fixture of claim 2, wherein: the welding gun is characterized in that a supporting frame (22) is fixedly connected to the sliding plate (21), square sliding rods (24) are horizontally fixedly connected to opposite side walls of the welding gun main body (23) respectively, and the welding gun main body is slidably mounted on the supporting frame (22) through the square sliding rods (24).

4. A frame rail tack welding apparatus as in claim 3, wherein: the upper part of the driving block (7) is T-shaped and provided with a sliding groove (8), and the inclined side wall of the moving plate (5) is fixedly connected with a sliding block constrained in the sliding groove (8).

5. The frame rail weld fixture of claim 4, wherein: rectangular sliding grooves (9) are vertically formed in the upper portion of the mounting frame (3), and rectangular sliding blocks constrained in the rectangular sliding grooves (9) are fixedly connected to the side walls of the clamping blocks (4).

6. The frame rail weld fixture of claim 5, wherein: horizontal sliding grooves (8) which are arranged in a T shape are arranged on the rotating plate (2) in parallel, and horizontal sliding blocks (10) which are restrained in the horizontal sliding grooves (8) are fixedly connected to the back surface of the mounting frame (3).

7. The frame rail weld fixture of claim 6, wherein: two ends of the rotating plate (2) are respectively and vertically fixedly connected with side plates, the two side plates are respectively and rotatably arranged on the support (1) through rotating shafts (11), and one rotating shaft (11) extends to the outside of the support (1) and is slidably inserted with a rotating handle (12).

8. The frame rail weld fixture of claim 7, wherein: the outer wall of the rotating shaft (11) is fixedly connected with a circumferential limit guide plate (13), a circumferential limit sliding groove (8) matched with the circumferential limit guide plate (13) is formed in an inner hole of the rotating handle (12), a plurality of fixing rods (14) are arranged on the outer ring of the rotating handle (12), and fixing holes (15) matched with the fixing rods (14) are formed in the side wall of the support (1).

9. The frame rail weld fixture of claim 8, wherein: guide posts (17) and rotating screw rods (16) are horizontally arranged between the opposite side walls of the support (1) in parallel, the screw rods (16) are connected with moving frames (18) in a threaded mode, the moving frames (18) are further slidably mounted on the guide posts (17), lifting cylinders (19) are vertically fixedly connected to the moving frames (18), and telescopic ends of the lifting cylinders (19) are fixedly connected to the fixed frames (20).

10. The frame rail weld fixture of claim 9, wherein: the upper end part of the welding gun main body (23) is fixedly connected with a handle.