A collision-resistant additive manufacturing deposition head

Abstract

The invention discloses an anti-collision additive manufacturing deposition head, which includes a deposition base and a deposition nozzle, and also includes a buffer impact device and an anti-collision quick change device; the impact force is buffered between the deposition base and the deposition nozzle The device is connected, and the end of the deposition nozzle is connected with the inner wall of the anti-collision quick change device. The invention can buffer longitudinal and transverse collision impact forces when the device collides, thereby protecting the internal structure of the deposition head, and can realize rapid replacement of the deposition nozzle and the low-cost anti-collision quick-change device.

Description

technical field [0001] The invention belongs to the field of additive manufacturing and relates to an anti-collision additive manufacturing deposition head. Background technique [0002] Additive manufacturing technology is a technology based on the principle of discrete accumulation, using powder or wire as processing raw materials, and realizing rapid prototyping through "bottom-up" material accumulation. The advantage of additive manufacturing technology is that it can solve the manufacturing problems of high-performance, complex structure or difficult-to-machine material parts, reduce processing procedures, shorten time costs, and improve raw material utilization. At present, additive manufacturing technology has important applications in the automotive, medical, electronics, aviation and construction industries. [0003] The additive manufacturing system is generally composed of additive deposition heat source, additive feeding device, additive deposition head, protect...

AI Technical Summary

Problems solved by technology

However, the magnetic force of the high-strength magnet is enough to affect the flow of metal material powder and thus affect the deposition process, and there is a problem that the magnetic mechanism absorbs iron filings to reduce the magnetic properties and accelerate the corrosion of the device.

In addition to the magnetic anti-collision mechanism, there is also a mechanical structure to achieve anti-collision, such as the anti-collision device described in the Chinese patent "anti-collision laser head" (authorization number CU 205271151 U), the focusing mirror is placed on the upper body, and the upper and lower body There is also a reset device between them, but this device cannot buffer a large impact force, and it is prone to jamming

Another example is the Chinese patent "Laser processing equipment and its laser head anti-collision assembly" (authorization number CN105382428 A). The arc-shaped mounting seat effectively avoids mechanical jamming and improves the reliability of the assembly. However, it is not easy to disassemble and cannot be Quick replacement of damaged components

[0005] To sum up, the existing additive manufacturing deposition head is easy to damage the internal parts after a rigid collision, and the damaged parts are cumbersome to disassemble and the cost of returning to the factory is high.

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