Visual measurement system for size of piston salt core

Abstract

The invention discloses a visual measurement system for the size of a piston salt core; the system comprises a platform, and a positioning device and a vertical motion module arranged on the platform, the positioning device is used for supporting a to-be-measured salt core, the vertical motion module is provided with a power mechanism and a horizontal adjustment mechanism, the horizontal adjustment mechanism is provided with a camera. The horizontal adjustment mechanism transversely adjusts the horizontal position of the camera to enable the camera to be aligned with the to-be-measured salt core on the positioning device, the power mechanism drives the horizontal adjustment mechanism to move up and down along the vertical movement module to enable the camera to be focused, the system further comprises an industrial personal computer connected with the camera, and the industrial personal computer obtains size data of the to-be-measured salt core according to images shot by the camera. Automatic dimension visual measurement is achieved, traditional manual measurement is replaced, the measurement process is efficient and rapid, the measurement precision is high, the measurement repeatability is good, measurement results can be fed back, analyzed, stored and displayed, and digital detection is achieved.

Description

technical field [0001] The invention relates to the field of piston processing, in particular to a visual measurement system for the size of piston salt cores. Background technique [0002] During the gravity pouring process of the piston, it is necessary to set a salt core in the mold. The salt core is a ring structure, and there are two positioning holes for the salt core. The salt core is placed in the mold through the two positioning holes of the salt core, and the piston is poured and cooled. After forming, use high-pressure water to wash away the salt core to form the internal cooling oil passage of the piston head. [0003] Among them, the outer diameter of the salt core, the inner diameter, the diameter of the two salt core positioning holes, the center distance, and the distance from the center of the salt core positioning hole to the inner and outer circles all need to be strictly controlled during the salt core production process. An important factor in whether t...

AI Technical Summary

Problems solved by technology

At present, the measurement of salt core size mainly relies on manually using vernier calipers for random inspection. Due to the small size of the positioning holes of the two salt cores, the vernier calipers cannot accurately measure the diameter and the distance from the center of the hole to the inner and outer circles. Due to the limitation of accuracy, there are problems such as poor measurement repeatability, low efficiency, and measurement accuracy that cannot meet the process requirements in the salt core size measurement process.

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