Windscreen wiper strip for cleaning base plate of printer nozzle

Abstract

The invention provides a windscreen wiper strip for cleaning the base plate of a printer nozzle. The windscreen wiper strip comprises a printing head bottom plate, the right side of the printing head bottom plate is fixedly connected with a spray head bottom plate, the bottom of the printing head bottom plate is movably connected with a contact head, the bottom of the spray head bottom plate is movably connected with another contact head, a triangular block is fixedly connected to the bottom of the contact head, and a windscreen wiper strip liquid storage groove is formed in the outer wall of the triangular block. The bottom plate is cleaned twice before printing and in the printing process of the printer, liquid materials and other sundries on the printing head bottom plate are cleaned during first cleaning, the windscreen wiper strip makes contact with the printing head bottom plate during second cleaning, and the printing head bottom plate is cleaned through a cleaning agent in the windscreen wiper strip liquid storage groove. By adopting the windscreen wiper strip with the structure, the printing head bottom plate and the spray head bottom plate can be cleaned more thoroughly, the spray holes of the spray head are prevented from being blocked, the service life of the spray head is prolonged, and the rejection rate in the sand core production process can be reduced.

Description

technical field [0001] The invention belongs to the technical field of 3D printing of industrial-grade casting sand molds, and in particular relates to a wiper strip for cleaning the bottom plate of a printer nozzle. Background technique [0002] Before printing and during the printing process of industrial-grade casting sand mold 3D printers, it is necessary to clean the bottom plate of the print head and the bottom plate of the nozzle, and the wiper strips used for cleaning are the car wiper strips commonly used in our lives. Wiper strips are used to clear the water on the windshield of the car, and at the same time have a certain cleaning effect and scrape off stains. This kind of wiper strip is very effective for cleaning flat or curved glass; however, the situation of the print head bottom plate is special. The bottom plate of the print head and the bottom plate of the print head are not on the same plane, and are recessed inward. It is necessary to prevent the wiper st...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a wiper strip for cleaning the print head bottom plate of a printer, to solve the problem of the excess ink and ink on the print head bottom plate during use of the existing wiper strip for cleaning the print head bottom plate of the above-mentioned background technology. Debris, making it impossible to clean the problem

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