Guide rail assembling technological method for large composite box

Abstract

The invention provides a guide rail assembling technological method for a large composite box, and relates to the technical field of guide rail assembling technologies for large composite boxes.The dimension of an inner cavity of the composite box is 8000 mm*1000 mm*1200 mm, a front guide rail and a rear guide rail are installed on the inner surface of the I quadrant of the box through guide rail bases, and the front guide rail and the rear guide rail are connected to the inner wall of the box through the guide rail bases.The guide rail assembling reference of the composite box is determined to adjust related dimensions of bottom corner parts, errors generated by tipping and defection of the composite box are eliminated, and the assembling precision of the guide rails relative to the installation reference is ensured; the inner wall of the box serves as the assembling reference to ensure the symmetry degree of the guide rails relative to the center of the box; a digital level gage is used for conveniently, rapidly and accurately measuring the parallelism and height difference dimensions of the guide rails, and a symmetry degree detection tool is used for achieving quick and effective guide rail precision detection.

Description

technical field [0001] The invention relates to the technical field of assembling a guide rail of a composite material box body, in particular to an assembly process method of a guide rail of a large composite material box body. Background technique [0002] The cavity size of the large composite material box is 8000mm×1000mm×1200mm, and the front and rear guide rails are installed on the inner surface of the I quadrant of the box body through the guide rail base. Safe out of the box has the greatest impact, so attention should be paid to the assembly and dimension measurement of the guide rail. [0003] The difficulty in assembling the cabinet rails is that there is a sharpness after the large-scale composite cabinet is formed, and the heights of the front and rear ends of the cabinet are inconsistent. Due to the need to bear its own large weight, there is deflection and deformation that needs to be adjusted effectively, and the length of the inner cavity of the box is rel...

AI Technical Summary

Problems solved by technology

[0003] The difficulty in assembling the cabinet rails is that there is a sharpness after the large-scale composite cabinet is formed, and the heights of the front and rear ends of the cabinet are inconsistent. Due to its own large weight, there is deflection and deformation that needs to be adjusted effectively, and the length of the inner cavity of the box is relatively large, and the width and height are relatively small, so large tooling and equipment cannot be used

[0004] Aiming at the problem of the sharpness of the box, the existing assembly method adopts the processing of the surface of the box or the plane of the corner fittings to eliminate the sharpness of the box and establish the assembly reference. Since the skin of the box is thin, processing the surface of the box will cause skin Damage, which affects the waterproof performance of the box, the surface of the corner parts is processed after assembly, the parts have a large machining allowance, and the box needs to be transferred many times, which is easy to cause the box to bump and the assembly efficiency is low. The existing composite material box assembly Using the marking line positioning method, the guide rail is positioned based on the two ends of the box. Due to the large size of the box, the marking line positioning cannot achieve the full length of the guide rail to meet the assembly accuracy requirements. The existing assembly method controls the accuracy of the guide rail and the surface accuracy of the box. To ensure the final assembly accuracy, the precision of the parts is high, resulting in higher processing and molding costs. For this size of the box size, the existing guide rail assembly accuracy measurement method requires the use of complex equipment such as laser trackers, and the equipment price is high. It is not easy to operate in the box, which affects the assembly efficiency and increases the assembly cost

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