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Center stand column reinforcing plate welding and cooling method

A cooling method and reinforcement plate technology, applied in welding equipment, welding equipment, auxiliary welding equipment, etc., can solve problems affecting the performance of column reinforcement plates, achieve the effects of preventing stress changes and accelerating heat dissipation

Inactive Publication Date: 2018-05-22
重庆友拓汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Stand in the air, it is easy to react with the air and affect the performance of the center pillar reinforcement board

Method used

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  • Center stand column reinforcing plate welding and cooling method
  • Center stand column reinforcing plate welding and cooling method
  • Center stand column reinforcing plate welding and cooling method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] This embodiment provides a method for welding and cooling a central pillar reinforcement plate, the structure of which is shown in the figure.

[0061] The welding cooling method of the center pillar reinforcement plate,

[0062] S1: Preheating, respectively put the center column reinforcement plate and the weldment to be welded into the heating chamber for a certain period of time, so that the temperature of the center column reinforcement plate and the weldment to be welded can be increased;

[0063] S2: The fixture is fixed, and the preheated center column reinforcement plate and the weldment to be welded are fixed by the welding fixture, so that the weldment to be welded is positioned at the position to be welded;

[0064] S3: combined welding,

[0065] S3': Simultaneous partial welding of the first weldment, the fourth weldment and the third weldment;

[0066]S3″: Weld the remaining parts that need to be welded on the first weldment, the second weldment and the t...

Embodiment 2

[0094] A method for welding and cooling a center pillar stiffener, the difference from Embodiment 1 is:

[0095] S3′: When performing local welding on the first weldment, the edge close to the right side of the gentle section on the first weldment is welded, and the brazing welding method is adopted;

[0096] Fix the second weldment by spot welding;

[0097] When performing partial welding on the third weldment, the edge close to the right side of the gentle section on the third weldment is welded, and the spot welding method is adopted;

[0098] S3″: Weld the edge of the first weldment close to the left side of the gentle section by spot welding;

[0099] The fourth weldment is welded and fixed by fiber welding;

[0100] For the third weldment close to the left side of the gentle section, spot welding is adopted.

Embodiment 3

[0102] A welding process for the reinforcement plate of the central pillar frame, the difference from Example 1 is: S1: preheating, respectively put the reinforcement plate of the central pillar and the weldment to be welded into the heating chamber for a certain period of time, so that the reinforcement plate of the central pillar and the The temperature of the weldment to be welded is increased. The specific operation method is:

[0103] F1: First put the center column reinforcement plate and the weldment to be welded into the heating chamber, keep the temperature in the heating chamber at 300°C, and place it for no less than 2 hours;

[0104] F2: Take out the center pillar reinforcement plate and install it on the welding fixture;

[0105] F3: Use a hot gun to blow air on the central column reinforcement plate, and reciprocate the air along the length of the central column reinforcement plate. After blowing the side with the groove, blow the other side of the central colum...

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Abstract

The invention discloses a center stand column reinforcing plate welding and cooling method and relates to the technical field of automobile part welding. The center stand column reinforcing plate welding and cooling method comprises the following steps that M1, a welded center stand column reinforcing plate 1 is conveyed into an air flow cooling chamber, a plurality of cooling positions are arranged in the air flow cooling chamber, and a suspension disk 3 is arranged in each cooling position; one end of each suspension disk 3 is hinged to a suspension bar 31, and a plurality of suspension ropes 32 extend out from the other end of each suspension disk 3; the end of each suspension rope 32 is provided with a hook; the center stand column reinforcing plate 1 to be cooled is suspended and fixed through the suspension ropes 32; M2, at least two air blowing ports are formed in each cooling position, the temperature of air blown out from the air blowing ports is 60 DEG C-180 DEG C, and the air blowing time does not exceed 30 min, and the humidity of hot air does not exceed 65%; M3, air blowing is stopped, and then the center stand column reinforcing plate 1 is taken out and is subjected standing for 5-10 min; and M4, the center stand column reinforcing plate 1 is sent to a cleaning workshop. Through the method, different weldments to be welded are welded simultaneously, and the centerstand column reinforcing plate is protected in the cooling process.

Description

technical field [0001] The invention relates to the technical field of auto parts welding, in particular to a welding cooling method for a center pillar reinforcement plate. Background technique [0002] The center pillar reinforcement is a sheet metal part that is part of the car. Such as figure 1 As shown, the central pillar reinforcement plate 1 is made of a thin steel plate through blanking to obtain the basic outline, and then it is stamped several times to form a figure 1 the shape shown. The central pillar reinforcement panel 1 is sequentially composed of a gentle section 13 and an inclined section 12 along the length direction from left to right. An obtuse angle is formed between the inclined section 12 and the gentle section 13 . [0003] The left and right ends of the center pillar reinforcement plate 1 in the length direction are the tail end 14 and the head end 11 respectively, and correspond to the gentle section 13 and the inclined section 12 respectively. ...

Claims

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Application Information

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IPC IPC(8): B23K28/02B23K31/02B23K37/00
Inventor 李占良
Owner 重庆友拓汽车零部件有限公司
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