Device for assembly of layered stack for electrical use

By using a gluing device in the assembly of layered stacks, using die-cutting stations and gluing stations to apply glue to the sheet surface, the problem of imperfect adhesion of the strips is solved, achieving better electrical performance and reliability, reducing reduces production costs and downtime.

CN114631252AActive Publication Date: 2022-06-14CORRADA SPA
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Patent Information

Application Number
CN202080076121.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2019-11-04
Filing Date
2020-10-30
Publication Date
2022-06-14
Estimated Expiration
2040-10-30

AI Technical Summary

Technical Problem

The existing technology suffers from imperfect adhesion of strips in the assembly of layered stacks leading to cracks, vibration and noise problems, and complex maintenance of nozzles and sprayers leading to increased downtime and costs.

Method used

Adopt a gluing device that does not use mechanical devices, apply two-component or single-component glue discretely on the surface of the sheet through the die-cutting station and gluing station, and use movable elements and pins to deposit and pick up the glue, realizing the modularization of the gluing unit structure, reducing dependence on hydrodynamic parameters.

Benefits of technology

It achieves better electrical performance and reliability, reduces machine downtime and production costs, provides fast, clean and easy-to-maintain assembly, and avoids the maintenance complexities of traditional nozzles and pumps.

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Abstract

An apparatus (10) for the assembly by gluing of layered stacks for electrical use in electric motors, generators, transformers, counters, ignition coils and similar electrical devices, the apparatus comprising: a die cutting station (12) for die cutting sheets (15) to define strips (15 '), the strips (15') being arranged between the die cutting station (12) and the die cutting station (12), and the strips (15 ') being arranged between the die cutting station (12) and the die cutting station (12); the strips are to be superimposed on each other to define a layered stack; and a station (14) which glues the strip (15 ') sheared from the sheet (15) by means of glue and which comprises means for discretely applying an amount of glue on the surface of the sheet (15), and wherein said means operate synchronously with the advancement of the sheet (15) in the die cutting station (12).
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