CN220217264U - High-precision welding fixture for automobile frame assembly - Google Patents

Abstract

The utility model discloses a high-precision welding fixture for an automobile frame assembly, which comprises a bottom plate, wherein a vertical plate is arranged at the left upper end of the bottom plate, two sliding rails are arranged on the bottom plate along the left-right direction, the two sliding rails are arranged at intervals front and back, a first fixing mechanism is arranged on the two sliding rails, the inside of the bottom plate is hollow, a driving mechanism is arranged in the bottom plate, the driving end of the driving mechanism is connected with the first fixing mechanism and drives the first fixing mechanism to slide along the arrangement direction of the sliding rails, a mounting groove is formed in the vertical plate, and a second fixing mechanism is arranged on the mounting groove. The first fixing mechanism can be driven to move towards the vertical plate through the driving mechanism, so that the object placed between the vertical plate and the first fixing mechanism is clamped in a self-adaptive transverse mode, the object can be vertically clamped through starting the second fixing mechanism, and therefore a plurality of objects with different dimensions are clamped together so as to be convenient to weld.

Description

High-precision welding fixture for automobile frame assembly

Technical Field

The utility model relates to the field of high-precision welding clamps for automobile frame assemblies. More particularly, the utility model relates to a high-precision welding fixture for an automobile frame assembly.

Background

The frame is a frame structure which is bridged on the front axle and the rear axle of the automobile, commonly called a girder, and is a matrix of the automobile. The vehicle is generally composed of two longitudinal beams and a plurality of transverse beams, and is supported on wheels through a suspension device, a front axle and a rear axle. The frame must have sufficient strength and rigidity to withstand the load of the vehicle and the impact transmitted from the wheels. The strength and the rigidity of the frame are ensured through high-quality welding quality, so that the frame is required to be clamped and fixed by using a welding fixture when being welded, and the welding efficiency of the welding quality is further ensured.

However, when the existing clamp is used for clamping the automobile frame assembly, the clamping welding of two objects in the same plane direction can be generally carried out, and fewer assembly objects need to be clamped, so that the objects need to be clamped separately and repeatedly, the clamping efficiency is affected, and the high-precision welding clamp for the automobile frame assembly is provided for solving the problems.

Disclosure of Invention

The technical scheme for solving the technical problems is as follows: the utility model provides a high accuracy welding jig of car frame assembly, includes the bottom plate, the upper left end of bottom plate is provided with the riser, be provided with two slide rails along controlling the direction on the bottom plate, and interval sets up around two slide rails, two be provided with first fixed establishment on the slide rail, the inside cavity that is of bottom plate is provided with actuating mechanism, just actuating mechanism's drive end with first fixed establishment connects, and drives first fixed establishment is followed the slide rail sets up the direction and slides, the mounting groove has been seted up in the riser, be provided with second fixed establishment on the mounting groove.

Further, the first fixed establishment includes four connecting blocks, two all slide on the slide rail and be provided with two connecting blocks, the top fixedly connected with displacement board of connecting block.

Further, the first fixed establishment still includes vertical setting the mounting panel of displacement board upper left end, the left side of mounting panel is provided with rather than parallel second splint, the second splint with connect through a plurality of elastic connection spare between the mounting panel, the right-hand member of riser is provided with first splint, first splint with the close one end of second splint is the arc inwards sunken.

Further, actuating mechanism includes along controlling the direction setting and is in threaded rod in the bottom plate, both ends all pass through the bearing respectively with both sides wall is fixed about the bottom plate, the cover is fixed with the screw thread piece on the threaded rod, follow on the bottom plate threaded rod length direction has seted up the extension groove, just the screw thread piece upwards extends to through the extension groove the bottom plate top, and with the displacement board is fixed, the bottom plate right-hand member is provided with the motor, the right-hand member of threaded rod extends to outside the bottom plate, and with motor output shaft coaxial coupling.

Further, the second fixing mechanism comprises a cylinder vertically arranged in the mounting groove, and the telescopic end of the cylinder faces upwards and is connected with a transverse plate.

The beneficial effects of the utility model are as follows: the first fixing mechanism can be driven to move towards the vertical plate through the driving mechanism, so that the object placed between the vertical plate and the first fixing mechanism is clamped in a self-adaptive transverse mode, the object can be vertically clamped through starting the second fixing mechanism, and therefore a plurality of objects with different dimensions are clamped together so as to be convenient to weld.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic side view of a structure according to the present utility model;

fig. 2 is a top view of a second cleat engagement structure of the first cleat of the present utility model.

In the figure: 1. a bottom plate; 2. a riser; 3. a slide rail; 4. a connecting block; 5. a displacement plate; 6. a threaded rod; 7. a motor; 8. a screw block; 9. a cylinder; 10. a cross plate; 11. a first clamping plate; 12. a mounting plate; 13. a second clamping plate; 14. an elastic connection member.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

It should be noted that, in the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Fig. 1-2 are diagrams of an embodiment of the utility model, which provides a high-precision welding fixture for an automobile frame assembly, comprising a bottom plate 1, wherein a vertical plate 2 is arranged at the left upper end of the bottom plate 1, two sliding rails 3 are arranged on the bottom plate 1 along the left-right direction, the two sliding rails 3 are arranged at intervals, a first fixing mechanism is arranged on the two sliding rails 3, the inside of the bottom plate 1 is hollow and is provided with a driving mechanism, the driving end of the driving mechanism is connected with the first fixing mechanism and drives the first fixing mechanism to slide along the arrangement direction of the sliding rails 3, a mounting groove is formed in the vertical plate 2, and a second fixing mechanism is arranged on the mounting groove.

In this embodiment, the article to be transversely welded and assembled is placed between the first fixing mechanism and the riser 2, the first fixing mechanism is driven to move leftwards through the driving mechanism, the article between the first fixing mechanism and the riser 2 is clamped, the article is clamped from top to bottom through the second fixing mechanism on the riser 2, and therefore a plurality of articles are fixed on the frame according to different clamping conditions so as to facilitate welding, and the clamping and fixing of each article are avoided, and the welding efficiency is affected.

Preferably, as another embodiment of the present utility model, the first fixing mechanism includes four connection blocks 4, two connection blocks 4 are slidably disposed on two sliding rails 3, and a displacement plate 5 is fixedly connected to the top end of each connection block 4.

In this embodiment, the driving mechanism is started to enable the displacement plate 5 to move leftwards through the limit of the sliding rail 3, at this time, the left end of the displacement plate 5 is abutted against the object, and the right end of the vertical plate 2 is abutted against the object, so that the object is clamped.

Preferably, as another embodiment of the present utility model, the first fixing mechanism further comprises a mounting plate 12 vertically disposed at the upper left end of the displacement plate 5, a plurality of second clamping plates 13 parallel to the mounting plate 12 are disposed at the left side of the mounting plate 12, the plurality of second clamping plates 13 are connected with the mounting plate 12 through elastic connectors 14, and the right end of the riser 2 is provided with a first clamping plate 11.

In this embodiment, the object to be welded to the vehicle frame is placed vertically on the frame, and when the displacement plate 5 moves leftwards, the mounting plate 12 and the second clamping plate 13 on the displacement plate 5 move leftwards, and cooperate with the first clamping plate 11 to clamp the vertically placed object, so that the contact surface at the top end of the frame is welded to the object.

Preferably, as another embodiment of the present utility model, the elastic connection member 14 includes a spring and a telescopic rod arranged in the left-right direction, the spring is fixedly sleeved on the telescopic rod, the right end of the telescopic rod is fixedly connected with the mounting plate 12, the telescopic cylinder is fixedly connected with the second clamping plate 13, the right end of the spring is fixedly connected with the mounting plate 12, and the left end of the spring is fixedly connected with the telescopic cylinder of the telescopic rod.

In this embodiment, when the second clamping plate 13 contacts with the object, the spring and the telescopic rod can be compressed, so as to adaptively adjust the clamping of the object between the first clamping plate 11 and the second clamping plate 13.

Preferably, as another embodiment of the present utility model, the driving mechanism includes a threaded rod 6 disposed in the bottom plate 1 along the left-right direction, the left and right ends of the threaded rod 6 are respectively fixed with the left and right walls of the bottom plate 1 through bearings, a threaded block 8 is sleeved and fixed on the threaded rod 6, an extension groove is formed on the bottom plate 1 along the length direction of the threaded rod 6, the threaded block 8 extends upwards to the top end of the bottom plate 1 through the extension groove and is fixed with the displacement plate 5, a motor 7 is disposed at the right end of the bottom plate 1, and the right end of the threaded rod 6 extends out of the bottom plate 1 and is coaxially connected with the output shaft of the motor 7.

In this embodiment, the motor 7 is started to drive the threaded rod 6 to rotate, and the threaded rod 6 drives the threaded block 8 to rotate, so that the threaded block 8 drives the displacement plate 5 to move left and right.

Preferably, as another embodiment of the present utility model, the second fixing mechanism includes a cylinder 9 vertically disposed in the mounting groove, and a transverse plate 10 is connected to the telescopic end of the cylinder 9.

In this embodiment, the air cylinder 9 is started to shrink, so that the transverse plate 10 is displaced downwards, and the object is vertically clamped.

The specific theory of operation, the automobile frame is placed and is transversely carried out the centre gripping with the horizontal welded article of automobile frame between displacement board 5 and riser 2, can vertically place vertical welded article on the automobile frame, and through diaphragm 10 downwardly moving carries out vertical centre gripping, supports the article both sides of vertical placing simultaneously through first splint 11 and second splint 13 to will be fixed together with automobile frame welded article, in order to weld.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A high-precision welding fixture for an automobile frame assembly is characterized in that: including bottom plate (1), the upper left end of bottom plate (1) is provided with riser (2), be provided with two slide rails (3) along left and right directions on bottom plate (1), and interval sets up around two slide rails (3), two be provided with first fixed establishment on slide rail (3), inside cavity, and be provided with actuating mechanism, just actuating mechanism's drive end with first fixed establishment connects, and drives first fixed establishment is followed slide rail (3) set up the direction and slide, the mounting groove has been seted up in riser (2), be provided with second fixed establishment on the mounting groove.

2. The high-precision welding fixture for an automotive frame assembly of claim 1, wherein: the first fixing mechanism comprises four connecting blocks (4), two connecting blocks (4) are slidably arranged on the sliding rail (3), and a displacement plate (5) is fixedly connected to the top end of each connecting block (4).

3. The high-precision welding fixture for an automotive frame assembly of claim 2, wherein: the first fixing mechanism further comprises a mounting plate (12) vertically arranged at the left upper end of the displacement plate (5), a second clamping plate (13) parallel to the mounting plate (12) is arranged at the left side of the mounting plate (12), the second clamping plate (13) is connected with the mounting plate (12) through a plurality of elastic connecting pieces (14), a first clamping plate (11) is arranged at the right end of the vertical plate (2), and one ends, close to the first clamping plate (11) and the second clamping plate (13), are all concave inwards in an arc shape.

4. The high-precision welding fixture for an automotive frame assembly of claim 2, wherein: the driving mechanism comprises a threaded rod (6) arranged in the bottom plate (1) along the left-right direction, the left end and the right end of the threaded rod (6) are respectively fixed with the left wall and the right wall of the bottom plate (1) through bearings, a threaded block (8) is fixedly sleeved on the threaded rod (6), an extension groove is formed in the bottom plate (1) along the length direction of the threaded rod (6), the threaded block (8) extends upwards to the top end of the bottom plate (1) through the extension groove and is fixed with the displacement plate (5), a motor (7) is arranged at the right end of the bottom plate (1), and the right end of the threaded rod (6) extends out of the bottom plate (1) and is coaxially connected with an output shaft of the motor (7).

5. The high-precision welding fixture for an automotive frame assembly of claim 1, wherein: the second fixing mechanism comprises an air cylinder (9) vertically arranged in the mounting groove, and the telescopic end of the air cylinder (9) faces upwards and is connected with a transverse plate (10).