Variable-pitch motor structure for bottle blowing machine

The variable pitch motor structure based on magnetic levitation technology solves the problem of dense transportation during bottle preform conveying, achieving stable, fast, and precise pitch control and efficient pitch change, thereby improving product quality and reducing energy consumption.

CN122442918APending Publication Date: 2026-07-24OUNI WORLD IND CO LTD
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Patent Information

Application Number
CN202512028530.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2025-01-23
Filing Date
2025-12-30
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

In the current bottle preform conveying process, dense transportation can easily lead to scratches and deformation, and the traditional screw method is not efficient enough in changing the spacing, which raises concerns about wear.

Method used

The variable pitch motor structure using magnetic levitation technology utilizes a magnetic levitation track in conjunction with a fixture. The fixture is levitated and moved by magnetic force to adjust the spacing between preforms, and then placed on a blow molding die after heating for blow molding.

Benefits of technology

It achieves stable, fast, precise and efficient spacing control for preform conveying, reduces the impact of friction, improves product quality and reduces energy consumption.

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Abstract

A variable-pitch motor structure for a bottle blowing machine comprises a variable-pitch conveyor, the variable-pitch conveyor is provided with a magnetic suspension track and a plurality of clamps, the clamps are provided with a plurality of magnetic parts, the magnetic parts are matched with the magnetic suspension track to control the clamps to move in a suspension mode through magnetic force, and therefore the distance between the clamps is adjusted. Each clamp is provided with a chuck, a plurality of bottle blanks are clamped by the chucks of the clamps, and the magnetic suspension track controls the plurality of clamps to move and widens the distance between the clamps.
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