Saw band welding device and method

Abstract

The invention discloses a saw band welding device and method. The saw band welding device and method aim at solving the problems that due to the fact that when saw bands are welded through existing laser welding or existing electron beam welding, welding slag exists at the welded joint positions, the saw bands are disorderly contracted frequently, and the quality of the saw bands is influenced. The saw band welding device comprises a feeding pushing pawl, a positive electrode pressing plate and an electrode plate, wherein the feeding pushing pawl is used for feeding formed saw band backing materials to a welding point, the positive electrode pressing plate is arranged below the welding point and used for tightly pressing the saw band backing materials to the welding station to enable the saw band backing materials to serve as the positive electrode, and the electrode plate is arranged above the welding point to serve as the negative electrode. The electrode plate is electrically connected with to-be-welded tooth materials, the positive electrode pressing plate is electrically connected with the saw band backing materials, and the saw band backing materials and the to-be-welded tooth materials are welded in a spot welded mode. According to the saw band welding device and method, the welding quality is reliable, the saw cutting performance is good, the special saw cutting requirements can be met, and the welding stability, the welding accuracy and the like can be greatly improved.

Description

technical field [0001] The invention relates to a saw band welding device and a saw band welding method. Background technique [0002] Traditional bimetallic saw blades use methods such as laser welding or electron beam welding to weld the square steel wire tooth material to the back material. Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source. It belongs to fusion welding, which uses laser beam as the energy source and impacts on the weldment joint. Electron beam welding relies on a beam of accelerated high-energy-density electrons hitting the workpiece, generating huge heat in a small dense area on the surface of the workpiece, forming a "small hole" effect, thereby implementing deep penetration welding. [0003] However, due to the low energy conversion efficiency of laser welding, the weld bead solidifies rapidly, there may be concerns about porosity and embrittlement, and the equipment is expensive. Th...

AI Technical Summary

Problems solved by technology

Due to the welding slag at the welding seam, it often causes the phenomenon of uneven collection. After annealing, there will be problems such as small S bends, which will affect the quality of the saw band.

Images