Printhead for a 3D printer
AssigneeRobert Bosch GmbH
InventorsBenjamin Schweizer, Eberhard Maier
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Abstract
The invention relates to a printhead (1) for a 3D printer, particularly a metal printer, comprising a housing (3), a device (28) for supplying a metal (14), a reservoir (7, 27), a nozzle device (2) and a piston (5), the nozzle device (2) comprising a guide sleeve (11), a nozzle plate (9) provided with an outlet (10), and a clamping device (4). The nozzle plate (9) and the guide sleeve (11) are mutually elastically braced by means of the clamping device (4), and the guide sleeve (11) and the reservoir (7, 27) are mutually elastically braced by means of the clamping device (4).
Claims17
A printhead (1) for a 3D metal printer comprising a housing (3), a device (28) for supplying a metal (14), a reservoir (7, 27), a nozzle device (2) and a piston (5), characterized in that the nozzle device (2) has a guide sleeve (11), a nozzle plate (9) having an outlet opening (10), and a clamping device (4), wherein the clamping device (4) includes a nozzle clamping nut (50) and a separate spring element (40), and the nozzle clamping nut (50) includes a fastening means (52) for fastening the nozzle clamping nut (50) on the guide sleeve (11) and at least one elastic segment (51), the nozzle plate (9) and the guide sleeve (11) are clamped together elastically by the clamping device (4), and the guide sleeve (11) and the reservoir (7, 27) are clamped together elastically by the clamping device (4).
Dependencies are inferred from the claim text.