Locating pin press fitting device

Abstract

The invention relates to a locating pin press fitting device. The locating pin press fitting device comprises a base, a rack, a downwards pressing air cylinder and a fastening bolt; the rack comprises a guide rod, a clamping board, a sliding board and a fixed board; the guide rod is vertically fixed to the base; the guide rod penetrates through the fixed board, the sliding board and the clamping board in sequence from top to bottom; the fixed board is fixed to the top end of the guide rod; the sliding board, the clamping board and the guide rod are in sliding connection; the downwards pressing air cylinder with a piston rod downwards arranged is fixed to the upper surface of the fixed board; a balancing weight is fixed to the lower end of the piston rod of the downwards pressing air cylinder; a vertical pushing rod is fixed to the center of the lower surface of the sliding board. The downwards pressing air cylinder serves as pressure, the sliding board and the clamping board can only vertically move, it is avoided that due to pressure deviation, a locating pin is not accurate and staggered or the like in the press fitting process, tedious labor operations are reduced, labor intensity of workers is relieved, the press fitting speed is high, and the production efficiency and product percent of pass are improved.

Description

technical field [0001] The invention belongs to the field of component assembly, and in particular relates to a positioning pin press-fitting device. Background technique [0002] The positioning method of positioning pins is commonly used for the housing parts of oil pump accessories. Since the positioning pins and the housing are interference fit, external force needs to be applied during press-fitting, and the positioning pins pressed into the housing have height requirements. In mass production and new machine production, a large number of positioning pins must be press-fitted. When pressing the positioning pins, the operator should visually observe whether they are pressed in place. Due to the existence of manual errors, the interference between the positioning pins and the positioning pin holes Quantities are often too large or too small. When the interference is too small, the positioning pin is easy to loosen, and the perpendicularity with the rotor does not mee...

AI Technical Summary

Problems solved by technology

When the interference is too small, the positioning pin is easy to loose, and the perpendicularity with the rotor does not meet the requirements

When the interference is too large, the press-fit force will increase, and problems such as press-fit deformation often occur, and the press-fit does not meet the requirements, and the labor intensity of the workers is high, and the production efficiency is low.

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