A multi-solder spot alloy powder coating mechanism for spot welding
A technology of alloy powder and process, which is applied in the field of spot welding process multi-solder spot alloy powder coating mechanism, can solve the problems of high economic cost, low operation efficiency, and high labor intensity of operators, and achieve high coating quality and high coating quality. Uniform thickness and improved welding effect
Active Publication Date: 2019-10-11
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology
For spot welding between heterogeneous metals such as Mg and Al, due to its high brittleness, it is difficult to form a solid solution during spot welding, so the welding quality is not good
The researchers found that the use of suitable alloy powder can form a micro-alloyed area at the welded joint of heterogeneous metals, thereby reaping the excellent effect of regular symmetry of the nugget and increasing the size of the nugget, which effectively improves the quality of spot welding. In the technology, the alloy powder is brush-coated on the welded lap joints by manual coating. This treatment method has high labor intensity, low work efficiency and high economic cost, and the coating quality is affected by the proficiency of the operator. The impact is great, and the stability of coating quality is difficult to guarantee
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[0020] The present invention will be further described below in conjunction with the embodiments and accompanying drawings.
[0021] Such as Figure 1-Figure 4 As shown, a spot welding process multi-solder spot alloy powder coating mechanism, including a support device, a blanking device and a linear sliding device arranged horizontally, the linear sliding device is provided with at least two of the blanking devices, the The linear sliding device is installed on the supporting device in a liftable manner through a lifting device.
[0022] The support device includes a support frame 1 and a support plate 2, the support plate 2 is fixedly installed on the support frame 2, and the linear sliding device includes a horizontally arranged blanking slide rail 4, which is located on the Below the support plate 2, at least two blanking sliders 5 are arranged on the blanking slide rail 4, each of the blanking sliders 5 is respectively equipped with a described blanking device, and the b...
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The invention discloses a multi-welding-spot alloy powder coating mechanism for a spot welding process. The multi-welding-spot alloy powder coating mechanism comprises a support device, a linear sliding device and at least one discharging device. The discharging devices are arranged on the linear sliding device. The linear sliding device is mounted on the support device through a lifting device in a liftable manner. According to the multi-welding-spot alloy powder coating mechanism, alloy powder enters corresponding discharging holes through hard discharging pipes and falls into a to-be-welded region below the discharging holes, different welding spots of the to-be-welded region correspond to the different discharging holes, the coating thickness of the alloy powder is uniform, the coating quality is high, and the welding effect is improved greatly; and furthermore according to the difference of the positions of to-be-welded regions, the positions of all the discharging devices can be adjusted by the linear sliding device, and the height of the discharging devices can be adjusted through the lifting device, so that the different discharging requirements are met.
Description
technical field [0001] The invention relates to the technical field of spot welding auxiliary equipment, in particular to a spot welding process multi-solder spot alloy powder coating mechanism. Background technique [0002] Spot welding connects two different parts by welding individual points on the contact surface of the joint of the weldment. It is a high-speed and economical connection method suitable for manufacturing. For stamping and rolling thin plate components with a thickness of less than 3mm, spot welding requires metals to have good plasticity. For spot welding between heterogeneous metals such as Mg and Al, due to its high brittleness, it is difficult to form a solid solution during spot welding, so the welding quality is not good. The researchers found that the use of suitable alloy powder can form a micro-alloyed area at the welded joint of heterogeneous metals, thereby reaping the excellent effect of regular symmetry of the nugget and increasing the size o...
Claims
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IPC IPC(8): B23K33/00
Inventor 蒋德平姚宗湘吴睿王金钊唐丽
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY