Anti-overflow exhaust position adjustable mechanism for foaming mold of headrest of desk and chair for noon break

By introducing adjustable rotating connectors and anti-overflow venting mechanisms into the foaming mold of desks and chairs for lunch breaks, the problem of fixed venting positions was solved, ensuring smooth venting and preventing overflow, thus improving product quality and production efficiency.

CN224089496UActive Publication Date: 2026-04-07TAIZHOU HAIXIANG MOULD CO LTD
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Patent Information

Application Number
CN202520231645.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2026-04-07
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

The venting position of the existing foam mold for desks, chairs and headrests used during lunch break is fixed and cannot be adjusted according to different foaming processes and product requirements. This results in poor gas venting, causing bubbles and voids, as well as material overflow, which affects product quality and production efficiency.

Method used

It adopts an adjustable rotating connector and an anti-overflow venting mechanism, including a one-way valve and a mold closing positioning component, to achieve flexible adjustment of the venting position, prevent material backflow, ensure smooth gas discharge, and reduce overflow.

Benefits of technology

It improves product quality and production efficiency, reduces bubbles and voids, saves raw materials, lowers production costs, and extends mold life.

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Abstract

The utility model belongs to the technical field of molds, and particularly relates to an anti-overflow exhaust position adjustable mechanism for a foaming mold of a headrest of a noon break desk and chair. The device comprises a lower headrest foaming forming die and an upper headrest foaming forming die, a forming concave part is arranged in the lower headrest foaming forming die, a forming convex part is arranged on the upper headrest foaming forming die, and the forming concave part and the forming convex part correspond to each other in position and are matched with each other in shape. According to the utility model, through the adjustable rotary connecting piece, the exhaust position can be flexibly adjusted according to different foaming processes and headrest shapes, the smooth exhaust of gas is ensured, the defects of bubbles, cavities and the like in the headrest are reduced, the product quality is improved, and a one-way valve in the anti-overflow exhaust mechanism effectively prevents the reverse flow of materials and prevents the overflow phenomenon; raw materials are saved, production cost is reduced, pollution to the die and equipment is reduced, and the service life of the die is prolonged.
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