A plastic article trimming sprue device

By introducing an arc-shaped guide frame and limiting components into the plastic product cutting gate device, the angle of the cutting component can be flexibly adjusted and the blade can be quickly replaced. This solves the problems of high equipment cost and complex operation caused by fixed angle in the existing technology, and improves production efficiency and equipment flexibility.

CN224738721UActive Publication Date: 2026-09-11SHANGHAI RIFLON NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521949392.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-11
Publication Date
2026-09-11
Estimated Expiration
2035-09-11

AI Technical Summary

Technical Problem

The cutting components of existing plastic product gate cutting devices have fixed angles and cannot be flexibly adjusted. This means that when dealing with gates of different angles, it is necessary to replace the cutting components of different specifications or adjust the device layout, which increases equipment costs and operational complexity, and may result in incomplete cutting and damage to the product surface.

Method used

The limiting assembly, consisting of an arc-shaped guide frame, guide groove, threaded rod, and nut, combined with the rotating connection structure of the shaft and sleeve block, enables flexible adjustment of the cutting assembly angle. The cutting assembly structure, consisting of a fixing strip, slot, block, blade, threaded hole, limiting bolt, sleeve block, and insert block, allows for quick blade replacement.

Benefits of technology

It achieves precise angle adaptation of the cutting components, avoids incomplete cutting and damage to the product surface, reduces operational complexity, improves production efficiency, shortens blade replacement time, and ensures the continuity of cutting operations.

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Abstract

This utility model relates to the field of plastic product technology, and in particular to a device for cutting gates in plastic products. The technical solution includes a base plate, with sliding plates slidably disposed between the base plates. A set of first connecting seats is fixedly disposed on the upper surface of the sliding plates. A support frame is fixedly disposed on the upper surface of the base plate, with another set of first connecting seats fixedly disposed on the upper surface of the support frame. A shaft is disposed between the first connecting seats. A set of connecting blocks is fixedly sleeved on the outer wall of the shaft. A bracket is fixedly disposed at the upper end of the connecting blocks. An electric push rod is fixedly mounted on the upper surface of the bracket. The output end of the electric push rod passes through the bracket and extends to connect to a connecting plate. A push plate is fixedly disposed on one side of the connecting plate, and a cutting component for cutting gates in plastic products is fixedly disposed at one end of the push plate. This utility model can accurately adapt to the actual angle of the gate, avoiding incomplete cutting and surface damage to the product caused by a fixed angle, reducing operational complexity, and improving production efficiency.
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