A general-purpose mold for composite boards

CN224275515UActive Publication Date: 2026-05-26JIANGSU ZHONGJIANG PREFABRICATED BUILDING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU ZHONGJIANG PREFABRICATED BUILDING TECH CO LTD
Filing Date
2025-03-04
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing composite panel molds have poor fastening when faced with different sizes and bottom rib spacing, resulting in low production efficiency, unstable quality, and insufficient versatility, making them unable to meet the production needs of various composite panels.

Method used

The design employs an upper and lower mold, combined with self-adhesive sealing strips, inverted U-shaped hooks, and bolt connections. The self-adhesive sealing strips fill the gaps in the bottom ribs, the inverted U-shaped hooks adjust the dimensions, and the bolt connections ensure stable fixation of the side molds. This reduces the use of magnetic boxes and improves the versatility and ease of assembly of the molds.

Benefits of technology

Stable connections were achieved under different sizes and bottom reinforcement spacing, which improved the efficiency and quality of composite slab production, reduced production costs, avoided mold misalignment and grout leakage, and ensured the dimensional consistency of components and the continuity of production.

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Abstract

This utility model discloses a universal mold for composite slabs, belonging to the field of prefabricated building technology. The universal mold includes an upper mold and a bottom mold. A self-adhesive sealing strip is fixedly attached to the bottom of the upper mold. An inverted U-shaped hook is provided at the end of the upper mold. A bolt hole is provided inside the inverted U-shaped hook. A nut is welded to the outer wall of the inverted U-shaped hook on the outside of the bolt hole. A bolt is installed in the internal thread of the nut. Several bolt holes are provided on the surface of the upper mold. This universal mold for composite slabs can ensure the tightness between the side molds and between the upper and lower parts of the side molds while meeting the requirements of different composite slab length, width, and bottom reinforcement spacing. It reduces the number of magnetic boxes used, saves production costs while ensuring the production efficiency and quality of composite slabs, and solves the component quality problems caused by poor tightness and easy grout leakage of traditional universal molds. This enables the application of the universal mold for composite slabs in actual production.
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