CN219189109U

CN219189109U - Automatic welding device for welding seams of vehicle body

Info

Publication number: CN219189109U
Application number: CN202222500860.4U
Authority: CN
Inventors: 陈扬; 余星; 张佩佩
Original assignee: Wuhu Mark Automation Technology Co ltd
Current assignee: Wuhu Mark Automation Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-06-16
Anticipated expiration: 2032-09-21

Abstract

The utility model relates to the technical field of automobile manufacturing, in particular to an automatic welding device for a welding seam of a vehicle body, which comprises a substrate, a plurality of vertical clamp units and a plurality of positioning units, wherein the plurality of vertical clamp units and the positioning units are fixedly connected to the substrate. According to the utility model, the horizontal clamp unit is arranged to limit the transverse deformation of the white car body, so that the problems of bending of the white car body caused by bending of the white car body due to self gravity and the like are prevented, and the horizontal clamp unit is arranged on the outer side of the white car body, so that the acting force of the white car body in the horizontal direction can be better limited by the horizontal clamp unit.

Description

Automatic welding device for welding seams of vehicle body

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to an automatic welding device for a welding line of a vehicle body.

Background

When the automobile, the daily travel transportation means is manufactured, the designed iron sheet is punched and forged to form the white automobile body with a specific shape, then the fixed connection of each white automobile body is finished in a welding or gluing bonding mode, and finally the steps of spraying, coating and the like are carried out to finish the manufacture of the automobile.

When the white car body is welded, the welding fixture is generally adopted to fix the white car body, the main pin and the auxiliary pin of the positioning pin on the welding fixture are used to position the white car body, the white car body is placed on the preset position of the welding fixture, the positioning block on the welding fixture is used to receive the white car body, the pressing block on the welding fixture is used to clamp the white car body, and the welding robot is used to weld the white car body through a designed specified path.

However, in a specific operation process, due to the fact that the size of the white car body is not fixed, when the white car body is placed, part of the white car body is long and is in an outer cover shape or an inverted C shape, when the white car body is placed on the positioning block, due to the gravity of the white car body, when the white car body is placed on the positioning block, the top of the white car body pushes the white car body to slightly deform towards the periphery, so that the white car body is difficult to be placed on the positioning block in a very fit manner, a welding fixture with large size errors can be more fit with the white car body instead, after the white car body is welded, gaps appear between welding spots on the white car body and the design positions, the curve of the white car body is difficult to be similar to the designed curve, and the welding quality of the white car body is affected.

Therefore, a solution is required to solve the problem that the welding accuracy is lowered due to the inclusion of deformation when the body-in-white is placed on the welding jig.

Disclosure of Invention

In view of the above, the present utility model is directed to an automatic welding device for a vehicle body weld joint, so as to solve the above-mentioned problems.

Based on the above object, the utility model provides an automatic welding device for a welding seam of a vehicle body, which comprises a substrate, a plurality of vertical clamp units and a plurality of positioning units, wherein the vertical clamp units and the positioning units are fixedly connected to the substrate, a horizontal clamp unit is further arranged on the substrate, the horizontal clamp unit is arranged on the opposite side of the white vehicle body, the horizontal clamp unit comprises a horizontal positioning block, the horizontal positioning block is in interference with the side edge of the white vehicle body and forms an interference surface, and the interference surface is parallel or perpendicular to the axis of the substrate.

Preferably, the longitudinal section of the horizontal positioning block is L-shaped, and the side walls of the two sides of the horizontal positioning block, which are positioned at the bending position, form positioning surfaces.

Preferably, the horizontal fixture units are at least provided with two groups, vertical surfaces of the horizontal positioning blocks, which are in contact with the white body, are horizontal positioning surfaces, and the horizontal positioning surfaces of the two groups of horizontal fixture units are respectively parallel or perpendicular to the X axis and the Y axis of the substrate.

Preferably, the horizontal clamp unit comprises a base, wherein the base is detachably connected to the base, and the base is positioned on the outer side of the white body on the projection surface.

Preferably, the horizontal fixture unit further comprises a connecting block and a mounting plate, the mounting plate is fixedly connected to the base, the connecting block is arranged between the horizontal positioning block and the mounting plate, the contact surface between the connecting block and the horizontal positioning block and the contact surface between the connecting block and the mounting plate are adjusting surfaces, and the two adjusting surfaces are respectively parallel to the two positioning surfaces of the same horizontal positioning block.

Preferably, the horizontal fixture unit further comprises a vertical pressing block, a pressing wall and a cylinder connected to the base, the vertical pressing block is correspondingly arranged with the horizontal positioning block, the pressing wall is rotationally connected with the mounting plate, one side of the pressing wall at the rotational connection position is rotationally connected with the output end of the cylinder, and the other side of the pressing wall at the rotational connection position is detachably connected with the vertical pressing block.

Preferably, the vertical clamp unit is arranged at the middle position of the base plate, the vertical clamp unit is arranged between the horizontal clamp units at two sides, and the vertical clamp unit comprises a vertical positioning block supported at the middle position of the white body.

The utility model has the beneficial effects that:

through setting up horizontal locating piece, accomplish the conflict of white automobile body corner, the whole size of restriction white automobile body, when preventing that white automobile body self size from changing, white automobile body corresponds the position and changes, cause the phenomenon that the solder joint position appears shifting on the white automobile body, through setting up horizontal anchor clamps unit position, make horizontal anchor clamps unit can bear horizontal load better, prevent that horizontal anchor clamps unit from warping, through setting up multiunit horizontal anchor clamps unit, make horizontal locating piece accomplish the restriction of horizontal direction degree of freedom, make the position of horizontal direction more accurate, through setting up connecting block and regulating surface, accomplish the fine setting of the position of horizontal locating piece, make the position of horizontal locating piece more accurate.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

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

fig. 2 is a schematic view of the structure of the present utility model after hiding a white body;

fig. 3 is an enlarged schematic view of the portion a in fig. 2.

Marked in the figure as: 1. a substrate; 2. a vertical jig unit; 3. a positioning unit; 4. a horizontal jig unit; 5. a horizontal positioning block; 6. a horizontal positioning surface; 7. a base; 8. a connecting block; 9. a mounting plate; 10. adjusting the surface; 11. a vertical briquetting; 12. wall pressing; 13. a cylinder; 14. a vertical positioning block; 15. a gasket.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1, 2 and 3, an automatic welding device for welding seams of a vehicle body comprises a substrate 1, a vertical clamp unit 2, a positioning unit 3 and a horizontal clamp unit 4, wherein the vertical clamp unit 2, the positioning unit 3 and the horizontal clamp unit 4 are distributed on the substrate 1, the vertical clamp unit 2 is uniformly distributed below a white vehicle body, and the horizontal clamp unit 4 is distributed on the outer side of the white vehicle body.

As shown in the figure, the horizontal fixture unit 4 comprises a horizontal positioning block 5, a base 7, a connecting block 8, a mounting plate 9, a vertical pressing block 11, a pressing wall 12 and a cylinder 13, wherein the longitudinal section of the base 7 is L-shaped and is detachably connected to the base plate 1 through a bolt, the mounting plate 9 is fixedly connected to one side protruding on the base 7, the connecting block 8 is mounted on one side wall of the mounting plate 9, the connecting block 8 is in an inverted L shape, the horizontal positioning block 5 is fixedly connected to the top surface of the connecting block 8 through a bolt, the longitudinal section of the horizontal positioning block 5 is L-shaped, and two side walls, close to the bending positions of the horizontal positioning block 5, are positioning surfaces, and the interference on one side of a white car body is completed through the horizontal positioning block 5, so that the horizontal deformation of the white car body is limited.

As shown in the figure, the base 7 is positioned on the outer side of the white body on the projection surface, so that the base 7 forms an oblique support white body, the base 7 is used for supporting acting force and gravity in the horizontal direction, the base 7 can be more stably completed, creep deformation caused by a welding fixture due to pressure generated by welding and the like is reduced, and the stability of the structure is ensured.

As shown in the figure, the two positioning surfaces of the horizontal positioning block 5 are parallel or perpendicular to the X axis and the Y axis of the substrate 1, so that the positioning surfaces can finish the adjustment of the horizontal position of the horizontal positioning block 5, and meanwhile, the included angles between the positioning surfaces and the X axis and between the positioning surfaces and the Y axis are prevented, as the gasket 15 is adopted for adjusting the horizontal positioning block 5, the specification of the gasket 15 is fixed, the gasket 15 is difficult to adjust the specified position during the adjustment by being parallel or perpendicular to the Y axis of the X axis,

as shown in the figure, one side of the connecting block 8 is in contact with the side wall of the connecting block 8, the top surface of the connecting block 8 is in contact with the horizontal positioning block 5, an adjusting surface 10 is formed between the connecting block 8 and the mounting plate 9 and between the connecting block 8 and the horizontal positioning block 5, a gasket 15 is arranged between the connecting block 8 and the mounting plate 9 and between the connecting block 8 and the horizontal positioning block 5, the adjusting surface 10 is parallel to the positioning surface on the horizontal positioning block 5, and at the moment, the accurate position of the horizontal positioning block 5 is conveniently determined by filling the gasket 15 with corresponding specification between the adjusting surfaces 10, so that the accuracy is improved.

As shown in the figure, the vertical pressing block 11 is correspondingly arranged with the horizontal positioning block 5, the pressing wall 12 is rotationally connected with the mounting plate 9, one side of the pressing wall 12 at the rotational connection position is rotationally connected with the output end of the air cylinder 13, the other side of the pressing wall 12 at the rotational connection position is detachably connected with the vertical pressing block 11, the clamping of the white car body is completed through the vertical pressing block 11 and the horizontal positioning block 5, and the problem that the edge of the white car body is warped at the corner when the horizontal direction is in conflict is prevented.

As shown in the figure, the vertical clamp unit 2 is arranged at the middle position of the base plate 1, the vertical clamp unit 2 is arranged between the horizontal clamp units 4 at two sides, the vertical clamp unit 2 comprises a vertical positioning block 14 supported at the middle position of the white car body, and the vertical clamp unit 2 is arranged to complete the support of the middle position of the white car body, so that the vertical clamp unit 2 is used for balancing the gravity of the middle position of the white car body, reducing the deformation of the middle position of the white car body due to gravity and ensuring the uniformity of the stress of the white car body, thereby ensuring that the whole deformation of the white car body is less, ensuring that the white car body is difficult to have more radian change after the positioning block is put in, and ensuring that the white car body has higher precision after being clamped.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a automobile body welding seam automatic welder, includes base plate (1), a plurality of vertical anchor clamps unit (2) and a plurality of positioning unit (3), a plurality of vertical anchor clamps unit (2) and positioning unit (3) fixed connection are on base plate (1), a serial communication port, still be provided with horizontal anchor clamps unit (4) on base plate (1), horizontal anchor clamps unit (4) set up the offside at white automobile body, horizontal anchor clamps unit (4) include horizontal locating piece (5), horizontal locating piece (5) contradict and form the conflict face with the side of white automobile body, the axis parallel or the perpendicular of conflict face and base plate (1).

2. The automatic welding device for the vehicle body weld seam according to claim 1, wherein the longitudinal section of the horizontal positioning block (5) is L-shaped, and the side walls of the two sides of the horizontal positioning block (5) at the bending position form positioning surfaces.

3. The automatic welding device for the welding seams of the vehicle bodies according to claim 2, wherein at least two groups of horizontal clamp units (4) are arranged, vertical surfaces, which are in contact with the white vehicle bodies, on the horizontal positioning blocks (5) are horizontal positioning surfaces (6), and the horizontal positioning surfaces (6) of the two groups of horizontal clamp units (4) are respectively parallel or perpendicular to the X axis and the Y axis of the substrate (1).

4. An automatic welding device for welding seams between vehicle bodies according to claim 1, characterized in that said horizontal clamp unit (4) comprises a base (7), said base (7) being detachably connected to the base, said base (7) being located outside the body-in-white on the projection surface.

5. The automatic welding device for the welding seam of the vehicle body according to claim 4, wherein the horizontal clamp unit (4) further comprises a connecting block (8) and a mounting plate (9), the mounting plate (9) is fixedly connected to the base (7), the connecting block (8) is arranged between the horizontal positioning block (5) and the mounting plate (9), the contact surface between the connecting block (8) and the horizontal positioning block (5) and the contact surface between the connecting block (8) and the mounting plate (9) are adjusting surfaces (10), and the two adjusting surfaces (10) are respectively parallel to two positioning surfaces of the same horizontal positioning block (5).

6. The automatic welding device for welding seams on a vehicle body according to claim 5, characterized in that the horizontal clamp unit (4) further comprises a vertical pressing block (11), a pressing wall (12) and a cylinder (13) connected to the base (7), the vertical pressing block (11) is arranged corresponding to the horizontal positioning block (5), the pressing wall (12) is rotationally connected with the mounting plate (9), one side of the pressing wall (12) at the rotational connection is rotationally connected with the output end of the cylinder (13), and the other side of the pressing wall (12) at the rotational connection is detachably connected with the vertical pressing block (11).

7. The automatic welding device for vehicle body welds according to claim 1, characterized in that the vertical clamp units (2) are arranged at the middle position of the base plate (1), the vertical clamp units (2) are arranged between the horizontal clamp units (4) at both sides, and the vertical clamp units (2) comprise vertical positioning blocks (14) supported at the middle position of the white vehicle body.