Double-length fine bar material diameter reducing device and diameter reducing method

Abstract

The invention discloses a double-length fine bar material diameter reducing device and a diameter reducing method. The diameter reducing device comprises an indexing disc, the indexing disc is arranged on a main shaft box, a raised washer is arranged on the outer side of the main shaft box, a die-filling sliding block is fixed at the front end of a sliding plate, the sliding plate is driven by a driving mechanism to move, a first diameter reducing mold and a second diameter reducing mold are arranged in the die-filling sliding block,an indexing clamping mechanism drives a first cam to clamp amaterial on a material disc through an indexing clamping transmission shaft, the indexing clamping mechanism comprises a lever, a pull rod connected with a clamping wedge block is arranged at one endof the lever, the lower end of the clamping wedge block is fixed through a wedge block tension spring fixed on a machine frame, the rear side of a compression pressing block extends into an assemblinggroove on the machine frame, and a groove matched with the clamping wedge block is arranged in the compression pressing block. The diameter reducing device is simple in structure and reasonable in design, the indexing, clamping and diameter reducing of a blank can be achieved, so that the diameter reducing process of the fine bar material is simple and reasonable, the production speed can be effectively improved, the production cost is reduced, and the product quality is improved.

Description

technical field [0001] The invention relates to the processing of thin rods, in particular to a diameter reducing device and method for double-length thin rods. Background technique [0002] The thin bar is processed into two semi-finished products with different diameters, and the thread is rolled on the outside of the semi-finished product. The diameter of the semi-finished product must reach the specified value, otherwise the thread cannot be made in the later stage. The diameter of the thin bar is processed using a lathe for cutting. There are many manual operations, the work speed is slow, and the quality is difficult to control, and the yield of finished products is low. Contents of the invention [0003] In order to solve the above problems, the present invention provides a diameter reducing device and method for double-length thin rods with high production speed and high yield. [0004] In order to achieve the above object, the present invention is achieved throug...

AI Technical Summary

Problems solved by technology

[0002] The thin bar is processed into two semi-finished products with different diameters, and the thread is rolled on the outside of the semi-finished product. The diameter of the semi-finished product must reach the specified value, otherwise the thread cannot be made in the later stage. The diameter of the thin bar is processed using a lathe for cutting. There are many manual operations, the work speed is slow, and the quality is difficult to control, and the yield is low

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