CN-122008547-A - Spiral online cleaning device and method for wire surface in wire feeding and material adding technology

Abstract

The invention discloses a spiral online cleaning device and a method for realizing wire surface of wire feeding and material adding technology, wherein the online wire surface cleaning device comprises a spiral cutter and a driving component thereof, when in work, a wire raw material passes through the spiral cutter, the spiral cutter rotates under the driving of the driving component, and the rotating spiral cutter polishes the passed wire surface to realize online cleaning of printing raw material; the central shaft of the blade penetrates through to form a polishing cavity, polishing teeth are arranged on the inner surface of the blade, the blade is sleeved in the inner cavity of the cylindrical shell in a coaxial shaft mode, the rotating motor of the driving assembly drives the driving gear and the cylindrical shell to synchronously rotate, the synchronous rotation direction is the same as the spiral extending direction of the blades which are spirally distributed, and the cylindrical shell is provided with through holes for cutting chips. The invention not only simplifies the working procedure of cleaning the wire, but also is suitable for improving the existing equipment under the condition of limited wire feeding space.

Inventors

• JIANG LIYI
• ZHANG YUCHEN
• XU WEIWEI
• WANG BOXIANG
• CHI HAORAN
• XIAO YIXUAN
• HAO FEI
• WEN PENGXIANG

Assignees

• 南京工程学院

Dates

Publication Date

20260512

Application Date

20260228

Claims (6)

1. 1. The spiral online cleaning device for the wire surface of the wire feeding technology is characterized by comprising a spiral cutter and a driving component thereof, wherein the spiral cutter rotates under the driving of the driving component when in operation, and the rotating spiral cutter polishes the passed wire surface to clean the printing raw material online: The spiral cutter comprises a cylindrical shell and blades which are spirally arranged, wherein the blades which are spirally arranged extend and have the same outer diameter, a grinding cavity is formed by penetrating through the center shaft of the blades, and grinding teeth are arranged on the inner surface of the blades; The driving assembly comprises a rotating motor, a driving wheel and a driven wheel, wherein an output shaft of the rotating motor drives the driving wheel to rotate, and the driving wheel drives the driven gear to rotate; the cylindrical housing is provided with a through hole for passing through the chip.
2. 2. The spiral online cleaning device for the surface of the wire by the wire feeding and material adding technology is characterized in that the diameter of a polishing cavity of the blades in spiral arrangement is suitable for different diameters of wires in material adding manufacturing, the length of the polishing cavity is not more than the length of a cylindrical shell, and when the blades in spiral arrangement are replaced, the blades in spiral arrangement of different types are replaced through the fixing structure.
3. 3. The spiral online cleaning device for the wire surface of the wire feeding and material adding technology according to claim 1 is characterized in that the fixing structure is characterized in that hanging rings are arranged at the head end and the tail end of a cylindrical shell, hanging hooks are arranged at the head end and the tail end of blades in spiral arrangement, and the hanging hooks are sleeved in the hanging rings, so that the fixing connection of the hanging rings can be realized.
4. 4. The spiral online cleaning device for the surface of the wire adopting the wire feeding and material adding technology according to claim 1, wherein a scrap collecting box for receiving scraps is arranged outside the cylindrical shell.
5. 5. The spiral online cleaning device for the wire surface of the wire feeding and material adding technology is characterized in that the online wire surface cleaning device is arranged in a wire feeding channel of the wire, the wire feeding channel of the wire further comprises a wire feeding gear set and a nozzle, the wire surface cleaning devices are arranged in a plurality of groups, the wire to be processed supplies power for feeding the wire through the wire feeding gear set, and the wire is finally fed to the nozzle to be manufactured after passing through the wire surface cleaning devices in the plurality of groups.
6. 6. A spiral online cleaning method for the wire surface of a wire feeding and material adding technology is realized by using the device as claimed in any one of claims 1-5, and is characterized in that blades which are arranged in a spiral shape with proper size are selected according to the diameter of the wire, a proper number of groups of online wire surface cleaning devices are selected according to the cleaning difficulty of impurities/pollution on the wire surface, the blades are installed in the inner cavity of a cylindrical shell and fixed in position through a fixing structure, and the wire sequentially passes through a wire feeding gear set and a polishing cavity of a spiral cutter and then enters the next working procedure.

Description

Spiral online cleaning device and method for wire surface in wire feeding and material adding technology Technical Field The invention relates to the technical field of additive manufacturing, in particular to a spiral online cleaning device and method for a wire surface of a wire feeding and additive technology. Background The additive manufacturing technology is also called 3D printing technology, and is a technology for realizing part forming by melting, sintering or bonding and stacking raw materials such as powder, wire or slurry layer by using energy sources such as laser, electron beam, electric arc and the like on the basis of a digital model. The technology is divided into powder bed melting, directional energy deposition, electron beam fuse additive manufacturing, arc fuse additive, binder spraying and the like, wherein the wire feeding type additive technology has wider and wider application because of the core advantages of extremely high deposition efficiency, high forming freedom, high material utilization rate and the like. In the wire feeding and material adding technology, wire raw materials matched with a specific process, such as welding wires manufactured by arc material adding, resin wires deposited in a melting way, wires manufactured by ultrasonic material adding and the like, are selected, wherein the surface quality of the wires can directly influence the process stability and the final product performance, so that pretreatment of the wires is needed, the pretreatment comprises but not limited to (1) degreasing, rust removing and water removing, (2) moisture prevention, sealing and preserving of the welding wires, quick use after unpacking, and prevention of air holes caused by moisture absorption, and (3) straightening, namely ensuring smooth wire feeding and reducing uneven melting width/melting height caused by wire feeding fluctuation. At present, wire feeding and material adding processes are carried out in an offline mode, so that the efficiency is low, the continuous production rhythm is difficult to match, secondary pollution is easy to cause in the wire transferring and clamping process after cleaning, the earlier cleaning effect is affected, synchronization of wire cleaning and wire feeding processes is needed to be realized, secondary pollution is avoided, and the straightening problem is brought. Therefore, when forming parts with different specifications or materials, the cleaning mechanism needs to be ensured to efficiently remove pollutants on the surface of the wire, meanwhile, the wire conveying precision (such as wire feeding speed and centering) is not interfered, the stability of the forming process is ensured, and the cleaning function needs to be matched with the wire feeding system. In the prior art, the application number of the application applied by the team is 2025118380376, namely a device and a method for online cleaning the surface of a Zhang Shisi material of a wire feeding and material adding technology, a wire cleaning device is arranged in a wire feeding channel, a polishing cutter of the wire cleaning device is formed by splicing three fan-shaped blades, interference fit between the wire and the blades is realized during cleaning, the wire cleaning process is simplified, and the device is more beneficial to improvement of the existing equipment. Based on the scheme, the research and development team carries out corresponding improvement on the application scene with limited wire feeding channel space. Disclosure of Invention 1. The technical problems to be solved are as follows: Aiming at the technical problems, the invention provides a spiral online cleaning device and a method for the wire surface of a wire feeding and material adding technology, which are more suitable for improving the existing equipment under the condition of wire feeding space limitation. 2. The technical scheme is as follows: A spiral online cleaning device for realizing wire surface cleaning of wire feeding technology in the process of wire feeding in additive manufacturing is characterized in that the online wire surface cleaning device comprises a spiral cutter and a driving component thereof, when in operation, wires are driven by the spiral cutter to rotate by the driving component, and the rotating spiral cutter polishes the passed wire surface to realize online cleaning of printing raw materials: The spiral cutter comprises a cylindrical shell and blades which are spirally arranged, wherein the blades which are spirally arranged extend and have the same outer diameter, a grinding cavity is formed by penetrating through the center shaft of the blades, and grinding teeth are arranged on the inner surface of the blades; The driving assembly comprises a rotating motor, a driving wheel and a driven wheel, wherein an output shaft of the rotating motor drives the driving wheel to rotate, and the driving wheel drives the driven gear to rotate; the cylindrical housing is provi