Flux cored wire forming machine

Abstract

The invention relates to a flux-cored wire forming machine. The flux-cored wire forming machine comprises a base, wherein the base is provided with a forming rolling frame, a powder feeder, a closed rolling frame and a reducing device in sequence from upstream to downstream; the reducing device comprises at least one driving roller die; each driving roller die comprises at least one pair of driven rolling rollers; the rotary axes of each pair of driven rolling rollers are parallel. The driving roller die also comprises at least one pair of driving rolling rollers; the rotary axes of each pair of driving rolling rollers are parallel; at least one driving rolling roller in each pair of driving rolling rollers is connected with a driving device by a transmission device or is directly connected with the driving device; the rotary axes of all the driving rolling rollers and driven rolling rollers are positioned in the same plane, and the plane is vertical to a flux-cored wire. The flux-cored wire forming machine has the advantage that the reducing efficiency is high.

Description

technical field [0001] This patent belongs to the technical field of manufacturing welding materials, which belongs to the IPC classification number B23k35 / 40, and also belongs to the technical field of forming tools for metal drawing with sections defined by rollers, balls or similar parts, and belongs to the IPC classification number B21C3 / 08 , especially relates to a flux cored wire forming machine. Background technique [0002] At present, the method of drawing to reduce the diameter of flux-cored welding wire is a main link in the production of flux-cored welding wire. Multi-turn flux-cored wire is wound on the reel to form frictional self-locking. The friction between the flux-cored wire and the reel is achieved by overcoming the reduction resistance when passing through the wire-drawing die and the friction between the wire-drawing die. . In this method, since the material of the flux-cored wire cannot be guaranteed to be completely uniform during the wire drawing p...

AI Technical Summary

Problems solved by technology

[0005] 2. Two-roll rolling cannot form a completely closed space, and there will be a gap between the upper roll and the lower roll (left and right rolls) on the side of the rolling groove. This gap is shown in the accompanying drawing of CN202290813U It can be clearly seen that the deformation of the flux-cored wire during diameter reduction may leave a space for outward flow and extension, forming two ears on the cross section (such as figure 2 shown)

This causes relative friction between the part of the flux-cored wire and the part of the roller, which increases the resistance of diameter reduction on the one hand, and wears the surface of the flux-cored wire on the other hand.

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