Insulation paper indentation tool for transformer

By designing an insulating paper creasing fixture that supports the base plate and creasing module, the problem of complex operation of creasing insulating paper for transformers was solved, achieving fast and accurate creasing results, improving operational efficiency and protecting the paper.

CN224256224UActive Publication Date: 2026-05-19江苏威科变压器有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
江苏威科变压器有限公司
Filing Date
2025-06-23
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

In the existing technology, the indentation operation of insulating paper for transformers is complicated and inefficient, and manual operation can easily damage the paper.

Method used

An insulating paper embossing fixture was designed, comprising a support base plate, a limiting guide rail, and an embossing module. The embossing unit moves along the limiting guide rail and presses marks onto the insulating paper. The embossing operation is achieved quickly and accurately through the cooperation of a rotating unit and a pry bar.

Benefits of technology

It enables rapid, simple, and precise indentation of insulating paper, improving operational efficiency and reducing damage to the paper caused by manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an insulation paper creasing tool for a transformer. The insulation paper creasing tool is characterized by comprising a supporting bottom plate and a creasing module, the creasing groove is formed in the supporting bottom plate to be matched with the creasing unit, the creasing unit walks in the extending direction of the limiting guide rail, and the creasing unit is driven by the rotating unit to be embedded into the creasing groove, so that creasing treatment is conducted on insulation paper; during creasing, the pinch bar rotates out of the positioning groove of the positioning block, the outer guide sleeve is pulled to move to the position needing creasing, the pinch bar is rotated to drive the creasing unit to rotate around the hinged position, the outer contour of the creasing unit is matched with the creasing groove, and then the creasing unit is driven to move in the direction of the limiting guide rail to achieve rapid insulation paper creasing. Operation is simple and fast, efficiency is high, and positioning is accurate.
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Description

Technical Field

[0001] This utility model relates to the field of transformer insulating paper processing technology, and in particular to a tooling for indenting insulating paper for transformers. Background Technology

[0002] The insulating paper used in transformers needs to be folded during use. Generally, the positions of the creases need to be determined on the insulating paper and the marks need to be pressed out to facilitate subsequent folding. The common method is to manually mark the positions one by one with measuring tools and then manually press the marks. This method is inefficient and can easily damage the insulating paper. Therefore, an auxiliary tooling structure is needed that can quickly and accurately press the insulating paper to improve the pressing efficiency and facilitate subsequent folding operations. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a tooling for creasing insulating paper for transformers, which can solve the problems of complex operation and low efficiency in the general creasing of insulating paper for transformers.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a tooling for indenting insulating paper for transformers, the innovation of which is: including a supporting base plate and an indentation module;

[0005] The supporting base plate has a rectangular plate structure. Several indentation grooves are evenly spaced along the width direction on the upper surface of the supporting base plate. A limiting guide rail is provided on the upper surface of the supporting base plate near one side along the extension direction. The limiting guide rail is used to guide the indentation module and position the edge of the insulating paper.

[0006] The indentation module includes a movable guide post, a rotating unit, and an indentation unit; the movable guide post is arranged perpendicular to the extension direction of the limiting guide rail and parallel to the supporting base plate; one end of the movable guide post is provided with a slider that cooperates with the limiting guide rail, and the movable guide post can reciprocate along the extension direction of the limiting guide rail;

[0007] The indentation unit has a circular plate-like structure, and indentation protrusions are provided on the outer contour of the indentation unit; a shaft hole is provided on the indentation unit off-center, and the shaft hole of the indentation unit is mounted at the end of the movable guide post through a rotary bearing;

[0008] The rotating unit is mounted on the side of the indentation unit. The rotating unit drives the indentation unit to rotate around the axis of the shaft hole, pressing the insulating paper placed on the support base plate. It can also be manually pushed along the limiting guide rail to indent the insulating paper. The rotating unit includes a rotating block, a pry bar, and a limiting block. The rotating block is located on the side of the indentation unit, and a pry bar is hinged to the rotating block perpendicular to the axis of the moving guide post. The limiting block is nested on the outer contour of the moving guide post, and several positioning grooves are provided circumferentially on the limiting block to match the end of the pry bar, used to limit the rotation of the indentation unit to the desired position.

[0009] Furthermore, the movable guide post includes an inner guide post and an outer guide sleeve, and one end of the inner guide post is fixedly connected to a slider that cooperates with a limiting guide rail; a guide groove is provided on the surface of the inner guide post along the extension direction; the outer guide sleeve is nested on the inner guide post, and a guide block that cooperates with the guide groove is provided on the inner wall of the outer guide sleeve, and the outer guide sleeve can reciprocate along the extension direction of the inner guide post.

[0010] The advantages of this utility model are:

[0011] 1) In this utility model, an indentation groove is set on the support base plate to cooperate with the indentation unit. The indentation unit moves along the extension direction of the limiting guide rail. Driven by the rotating unit, the indentation unit is embedded in the indentation groove to perform indentation on the insulating paper. During indentation, the pry bar rotates out of the positioning groove of the positioning block and pulls the outer guide sleeve to the position where indentation is required. The rotating pry bar drives the indentation unit to rotate around the hinge. The outer contour of the indentation unit cooperates with the indentation groove. Then, the indentation unit is driven to move along the direction of the limiting guide rail to achieve rapid indentation of the insulating paper. The operation is simple and quick, efficient, and accurate in positioning. Attached Figure Description

[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0013] Figure 1 This is a front view of a transformer insulating paper creasing tool according to the present invention.

[0014] Figure 2 This is a side view of a transducer insulating paper indentation fixture according to the present invention. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0017] like Figure 1 Figure 2 The illustrated transformer insulating paper indentation fixture includes a support base plate 1 and an indentation module 2.

[0018] The support base plate 1 has a rectangular plate structure. Several indentation grooves are evenly spaced along the width direction on the upper surface of the support base plate 1. A limiting guide rail 11 is provided along the extension direction near one side of the upper surface of the support base plate 1. The limiting guide rail 11 is used to guide the indentation module 2 and position the edge of the insulating paper.

[0019] The indentation module 2 includes a movable guide post 21, a rotating unit 22, and an indentation unit 23. The movable guide post 21 is arranged perpendicular to the extension direction of the limiting guide rail 11 and is parallel to the supporting base plate 1. One end of the movable guide post 21 is provided with a slider that cooperates with the limiting guide rail 11. The movable guide post 21 can reciprocate along the extension direction of the limiting guide rail 11.

[0020] The indentation unit 23 has a circular plate-like structure, and indentation protrusions are provided on the outer contour of the indentation unit 23; a shaft hole is provided on the indentation unit 23 off-center, and the shaft hole of the indentation unit 23 is mounted at the end of the movable guide post 21 through a rotary bearing.

[0021] The rotating unit 22 is mounted on the side of the indentation unit 23. The rotating unit 22 drives the indentation unit 23 to rotate around the axis of the shaft hole, pressing the insulating paper placed on the support base plate 1, and manually pushing it to move along the limiting guide rail 11 to indent the insulating paper. The rotating unit 22 includes a rotating block 24, a pry bar 25 and a limiting block 26. The rotating block 24 is disposed on the side of the indentation unit 23, and a pry bar 25 is hinged on the rotating block 24 perpendicular to the axis of the moving guide post 21. The limiting block 26 is nested on the outer contour of the moving guide post 21, and several positioning grooves are provided on the limiting block 26 along the circumference to cooperate with the end of the pry bar 25, so as to limit the indentation unit 23 rotated to the required position by the pry bar 25.

[0022] The movable guide post 21 includes an inner guide post 211 and an outer guide sleeve 212. One end of the inner guide post 211 is fixedly connected to a slider that cooperates with the limiting guide rail 11. A guide groove is provided on the surface of the inner guide post 211 along the extension direction. The outer guide sleeve 212 is nested on the inner guide post 211. A guide block that cooperates with the guide groove is provided on the inner wall of the outer guide sleeve 212. The outer guide sleeve 212 can reciprocate along the extension direction of the inner guide post 211.

[0023] The working principle of this utility model is as follows: An indentation groove is set on the support base plate in conjunction with an indentation unit. The indentation unit moves along the extension direction of the limiting guide rail. Driven by the rotating unit, the indentation unit is embedded in the indentation groove to perform indentation on the insulating paper. During indentation, the pry bar rotates out of the positioning slot of the positioning block, pulling the outer guide sleeve to the desired indentation position. The rotating pry bar drives the indentation unit to rotate around the hinge, and the outer contour of the indentation unit mates with the indentation groove. Then, the indentation unit is driven to move along the limiting guide rail to achieve rapid indentation of the insulating paper. The operation is simple and quick, highly efficient, and the positioning is accurate.

[0024] Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of this utility model as claimed.

Claims

1. A tooling for indenting insulating paper for transformers, characterized in that: Includes a support base plate and an indentation module; The supporting base plate has a rectangular plate structure. Several indentation grooves are evenly spaced along the width direction on the upper surface of the supporting base plate. A limiting guide rail is provided on the upper surface of the supporting base plate near one side along the extension direction. The limiting guide rail is used to guide the indentation module and position the edge of the insulating paper. The indentation module includes a movable guide post, a rotating unit, and an indentation unit; the movable guide post is arranged perpendicular to the extension direction of the limiting guide rail and parallel to the supporting base plate; one end of the movable guide post is provided with a slider that cooperates with the limiting guide rail, and the movable guide post can reciprocate along the extension direction of the limiting guide rail; The indentation unit has a circular plate-like structure, and indentation protrusions are provided on the outer contour of the indentation unit; a shaft hole is provided on the indentation unit off-center, and the shaft hole of the indentation unit is mounted at the end of the movable guide post through a rotary bearing; The rotating unit is mounted on the side of the indentation unit. The rotating unit drives the indentation unit to rotate around the axis of the shaft hole, pressing the insulating paper placed on the support base plate. It can also be manually pushed along the limiting guide rail to indent the insulating paper. The rotating unit includes a rotating block, a pry bar, and a limiting block. The rotating block is located on the side of the indentation unit, and a pry bar is hinged to the rotating block perpendicular to the axis of the moving guide post. The limiting block is nested on the outer contour of the moving guide post, and several positioning grooves are provided circumferentially on the limiting block to match the end of the pry bar, used to limit the rotation of the indentation unit to the desired position.

2. The transducer insulating paper indentation fixture according to claim 1, characterized in that: The movable guide post includes an inner guide post and an outer guide sleeve, and one end of the inner guide post is fixedly connected to a slider that cooperates with a limiting guide rail; a guide groove is provided on the surface of the inner guide post along the extension direction; the outer guide sleeve is nested on the inner guide post, and a guide block that cooperates with the guide groove is provided on the inner wall of the outer guide sleeve, and the outer guide sleeve can reciprocate along the extension direction of the inner guide post.