Controllable spot welding powder blanking equipment
A controllable blanking technology, applied in welding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of difficulty in guaranteeing coating thickness, spot welding quality, and uneven thickness, so as to improve welding effect and coating quality High, uniform coating thickness effect
Active Publication Date: 2019-06-14
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 is inefficient, and the coating thickness is difficult to guarantee, and it is easy to cause spot welding quality problems due to uneven thickness.
Method used
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Embodiment Construction
[0016] The present invention will be further described below in conjunction with the embodiments and drawings.
[0017] Such as figure 1 with figure 2 As shown, a controllable spot welding solder powder blanking equipment includes a support plate 6 provided with a blanking seat 12, and a blanking block lifting hole is provided in the blanking seat 12, and the lower A blanking block 1 is provided in the lifting hole of the material block, a blanking hole 2 is provided in the blanking block 1, and a blanking hard tube 4 is inserted into the blanking hole 2, and the blanking block 1 and the A lifting device and a distance measuring device are arranged between the support plates 6. The lifting device controls the blanking block 1 to slide up and down in the lifting hole of the blanking block, and the ranging device measures the blanking block 1 The lifting height.
[0018] The blanking seat 12 is a square blanking barrel, which is fixedly installed on the support plate 6 by an "L"-s...
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The invention discloses controllable spot welding powder falling equipment. The controllable spot welding powder falling equipment comprises a support plate, wherein a discharge piece is arranged below the support plate, a discharge hole is formed in the discharge piece, a discharge hard tube is inserted into the discharge hole, a lifting device and a distance measuring device are arranged between the discharge piece and the support plate, the lifting device is used for controlling the discharge piece to lift, and the distance measuring device is used for measuring the lifting height of the discharge piece. The controllable spot welding powder falling equipment has the beneficial effects that the height of the falling range can be adjusted by the lifting device, and the height of the falling range can be accurately measured by the distance measuring device, so that the roller coating thickness of alloy powder can be accurately controlled, the coating thickness of the alloy powder is uniform, the coating quality is high, and the welding effect is effectively increased.
Description
Technical field [0001] The invention relates to the technical field of spot welding auxiliary equipment, in particular to a controllable spot welding solder powder blanking equipment. 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. It is suitable for manufacturing and can be overlapped. The joint does not require air tightness. For stamped and rolled sheet members with a thickness of less than 3mm, spot welding requires the metal to have good plasticity. In spot welding between dissimilar metals such as Mg and Al, due to its brittleness, it is difficult to form a solid solution during spot welding, resulting in poor welding quality. Researchers have found that the use of suitable alloy powders can form microalloyed areas at the welded joints of dissimilar metals, thereby reaping the excellent effect of symmetrical nugget r...
Claims
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IPC IPC(8): B23K3/06B23K3/08
CPCB23K3/0607B23K3/08
Inventor 蒋德平任连城姚宗湘刘成王金钊
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY