CN111299919A - White vehicle body EP piece welding system and welding process thereof - Google Patents

Abstract

The invention discloses a white vehicle body EP piece welding system and a welding process thereof, and belongs to the technical field of vehicle body EP piece welding. The welding robot comprises a welding robot for welding a white body EP piece and an auxiliary robot for removing dust and preventing sputtering, wherein the auxiliary robot comprises six mechanical arms and a dust and sputtering preventing carrier fixed at the end parts of the six mechanical arms. Through the other auxiliary robot who is used for removing dust and prevents sputtering that increases at current welding robot, rely on the dust removal to prevent sputtering the protection disc on the carrier and block the large granule that splashes, the white automobile body EP piece of protection does not receive the granule damage that splashes to absorb smog tiny particle through the negative pressure, get rid of harmful smoke and dust in real time.

Description

White vehicle body EP piece welding system and welding process thereof

Technical Field

The invention relates to a white body EP piece welding system and a welding process thereof, belonging to the technical field of welding of body EP pieces.

Background

The design process of the automobile model mainly comprises the following steps: planning a product, designing in two dimensions, designing in three dimensions, trial-manufacturing a sample car and the like. Wherein, the product planning needs to consider price, target customer group, competitive vehicle type, popular elements, space and comfort requirements; in the two-dimensional design, an creative sketch needs to be formed according to the previous investigation to guide the subsequent oil sludge model, numerical modeling and scheme display; the three-dimensional design comprises generating a solid model and a digital model; the trial production of the sample car is the last stage, and a trial production car related to the color design of the interior and exterior decorations is produced according to the previous drawings, the entity model and the digital model. The body part at this stage is called body EP part, i.e. engineering prototype part at the design stage.

At present, the requirement of a white body EP piece welding process on a welding environment is very strict, tiny flaws can be displayed on a white body, high-temperature particles generated in the welding process can damage the white body EP piece near a welding line, and in addition, toxic smoke generated in the welding process cannot be purified in real time. Therefore, a white body EP piece welding system and a welding process thereof are designed, which can avoid the problems.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the white vehicle body EP piece welding system and the welding process thereof solve the problems that high-temperature particles generated in the welding process can damage white vehicle body EP pieces near a welding line at present and toxic smoke generated in the welding process cannot be purified in real time.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

a white body EP piece welding system comprises a welding robot for welding white body EP pieces and an auxiliary robot for removing dust and preventing sputtering, wherein the auxiliary robot is composed of a six-axis manipulator and a dust and sputtering preventing carrier fixed at the end part of the six-axis manipulator;

dust removal anti-sputtering carrier includes U-shaped support frame seat, the cavity connecting rod, the protection disc, the connecting pipe, a bearing, the rubber circle, U-shaped support frame seat comprises base and the integrative support of fixing two parallels on the base, base outside middle part is connected with the cavity connecting rod, two support tip inboard symmetries are fixed with a pair of connecting pipe, protection disc middle part is fixed on the connecting pipe through bearing activity, two protection disc coaxial lines and parallel, be equipped with the rubber circle around the protection disc, the inside dust absorption passageway that is equipped with of U-shaped support frame seat, the connecting pipe passes through dust absorption passageway and cavity connecting rod intercommunication, the cavity connecting rod is fixed at six mechanical hand tip, cavity connecting rod end connection dust catcher.

A welding process of a white body EP piece welding system comprises the following steps:

(1) preparing for welding, wherein an auxiliary robot moves a dust removal and sputtering prevention carrier to a welding position of a white body EP piece through a six-axis manipulator, a pair of protection disks of the dust removal and sputtering prevention carrier are respectively positioned at two sides of a welding seam starting end of the white body EP piece, the welding seam is positioned between the two protection disks, a 0.5-1mm gap is reserved between the outer edge of a rubber ring of each protection disk and a welding surface, a dust collector is started, and negative pressure is generated in each protection disk;

(2) the welding robot has the advantages that the welding robot can be used for removing smoke in real time, the welding gun of the welding robot is inserted into the welding seam from the position between the double protection disks, the welding seam is welded, at the moment, the six mechanical arm drives the protection disks to move synchronously along the welding point, the welding point is always located between the two protection disks, the protection disks block splashed large particles, and the small particles in smoke are absorbed through negative pressure until the welding work of the white body EP piece is completed.

The invention has the beneficial effects that:

(1) an auxiliary robot for dust removal and sputtering prevention is added beside the existing welding robot, the large splashed particles are blocked by a protection disc on a dust removal and sputtering prevention carrier, a white body EP piece is protected from being damaged by the splashed particles, small smoke particles are absorbed by negative pressure, and harmful smoke dust is removed in real time;

(2) when unexpected circumstances such as micro burr appear in white automobile body EP spare welded surface, rely on the deformation that produces after the rubber circle contact to and the roll of protection disc, can avoid hard scraping.

Drawings

FIG. 1 is a schematic structural diagram of an auxiliary robot;

FIG. 2 is a schematic view of the internal structure of the dust-removing and sputtering-preventing carrier;

FIG. 3 is a schematic structural view of a protective disk;

FIG. 4 is a schematic structural diagram of the position of the dust-removing and anti-sputtering carrier relative to the weld joint.

In the figure: the device comprises a six-axis manipulator 1, a dust removal and anti-sputtering carrier 2, a U-shaped support base 21, a hollow connecting rod 22, a protective disc 23, a connecting pipe 24, a bearing 25, a rubber ring 26, a dust collection channel 27 and a white body EP part 3.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the invention easy to understand, the invention is further described with reference to the specific drawings.

As shown in fig. 1-4, a white body EP part welding system comprises a welding robot for welding the white body EP part and an auxiliary robot for dust removal and sputtering prevention, wherein the auxiliary robot comprises a six-axis manipulator 1 and a dust removal and sputtering prevention carrier 2 fixed at the end of the six-axis manipulator 1;

dust removal anti-sputtering carrier 2 includes U-shaped support frame 21, cavity connecting rod 22, protection disc 23, connecting pipe 24, bearing 25, rubber ring 26, U-shaped support frame 21 comprises base and two parallel supports of fixing on the base are integrative, base outside middle part is connected with cavity connecting rod 22, two support tip inboard symmetries are fixed with a pair of connecting pipe 24, protection disc 23 middle part is fixed on connecting pipe 24 through bearing 25 activity, two protection disc 23 coaxial line and parallel, be equipped with rubber ring 26 around the protection disc 23, U-shaped support frame 21 is inside to be equipped with dust absorption channel 27, connecting pipe 24 communicates with cavity connecting rod 22 through dust absorption channel 27, cavity connecting rod 22 is fixed at six-shaft manipulator 1 tip, cavity connecting rod 22 end connection dust catcher (not drawn in the picture). The six-axis manipulator 1 and the dust collector are both commercially available products.

A welding process of a white body EP piece welding system comprises the following steps:

(1) preparing for welding, wherein an auxiliary robot moves a dust removal and sputtering prevention carrier 2 to a welding position of a white body EP piece 3 through a six-axis manipulator 1, a pair of protection disks 23 of the dust removal and sputtering prevention carrier 2 are respectively positioned at two sides of a welding seam starting end of the white body EP piece 3, the welding seam is positioned between the two protection disks 23, a 0.5-1mm gap is reserved between the outer edge of a rubber ring 26 of each protection disk 23 and a welding surface, a dust collector is started, and negative pressure is generated in each protection disk 23;

(2) real-time smoke abatement welding, welding robot's welder inserts welding seam department from two protection discs 23 between, welds the welding seam, and at this moment, 1 drive protection disc 23 of six-axis manipulator is along welding point synchronous motion for the welding point is in between two protection discs 23 all the time, and protection disc 23 blocks the large granule that splashes, and absorbs the smog tiny particle through the negative pressure, and 3 weldment work of white automobile body EP spare are accomplished to the completion.

The working principle is as follows:

an auxiliary robot for dust removal and sputtering prevention is added beside the existing welding robot, the protective disc 23 on the dust removal and sputtering prevention carrier 2 is used for blocking splashed large particles, the white body EP piece 3 is protected from being damaged by the splashed particles, small smoke particles are absorbed through negative pressure, and harmful smoke is removed in real time;

when unexpected conditions such as burrs occur on the welding surface of the white body EP piece 3, rigid scraping can be avoided by means of deformation generated after the rubber ring 26 is contacted and rolling of the protection disc 23.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (2)

1. A white body EP piece welding system comprises a welding robot for welding white body EP pieces and is characterized by also comprising an auxiliary robot for dust removal and sputtering prevention, wherein the auxiliary robot consists of six-axis manipulators and a dust removal and sputtering prevention carrier fixed at the end parts of the six-axis manipulators;

dust removal anti-sputtering carrier includes U-shaped support frame seat, the cavity connecting rod, the protection disc, the connecting pipe, a bearing, the rubber circle, U-shaped support frame seat comprises base and the integrative support of fixing two parallels on the base, base outside middle part is connected with the cavity connecting rod, two support tip inboard symmetries are fixed with a pair of connecting pipe, protection disc middle part is fixed on the connecting pipe through bearing activity, two protection disc coaxial lines and parallel, be equipped with the rubber circle around the protection disc, the inside dust absorption passageway that is equipped with of U-shaped support frame seat, the connecting pipe passes through dust absorption passageway and cavity connecting rod intercommunication, the cavity connecting rod is fixed at six mechanical hand tip, cavity connecting rod end connection dust catcher.

2. Welding process of a welding system for EP-parts in white bodies according to claim 1, characterized in that it comprises the following steps:

(1) preparing for welding, wherein an auxiliary robot moves a dust removal and sputtering prevention carrier to a welding position of a white body EP piece through a six-axis manipulator, a pair of protection disks of the dust removal and sputtering prevention carrier are respectively positioned at two sides of a welding seam starting end of the white body EP piece, the welding seam is positioned between the two protection disks, a 0.5-1mm gap is reserved between the outer edge of a rubber ring of each protection disk and a welding surface, a dust collector is started, and negative pressure is generated in each protection disk;

(2) the welding robot has the advantages that the welding robot can be used for removing smoke in real time, the welding gun of the welding robot is inserted into the welding seam from the position between the double protection disks, the welding seam is welded, at the moment, the six mechanical arm drives the protection disks to move synchronously along the welding point, the welding point is always located between the two protection disks, the protection disks block splashed large particles, and the small particles in smoke are absorbed through negative pressure until the welding work of the white body EP piece is completed.

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