Automatic taping machine for mutual inductor iron core

By designing an automatic wrapping machine for transformer cores, using motor drive and wool felt to fix the polyester film, the problems of unevenness and low efficiency of manual winding were solved, achieving high-precision and stable automated packaging and cutting, thus improving production efficiency and product quality.

CN223751225UActive Publication Date: 2026-01-02ZHEJIANG CHUANFENG ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202520420983.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-02
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

The current method of packaging the polyester film for current transformer cores relies on manual winding, which results in problems such as unevenness, low production efficiency, and unstable product quality.

Method used

Design an automatic packaging machine for current transformer cores, using a motor drive, wool felt sheets and springs to fix the polyester film, and equipped with a cutting machine to achieve automated packaging and cutting.

Benefits of technology

It improves packaging precision and production efficiency, ensures film uniformity and stable product quality, avoids human error, and adapts to the packaging needs of iron cores of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mutual inductor iron core processing, and discloses an automatic taping machine for a mutual inductor iron core, which is characterized in that a support is arranged on a base, a circular ring and a disc connecting frame are arranged on the support, a rotating shaft motor and a disc are arranged on the connecting frame, and the disc is used for installing a polyester film tray. A guide shaft and two groups of metal sheets are arranged below the disc connecting frame, wool felt sheets are clamped between the metal sheets, and a polyester film penetrates through the wool felt sheets. A cutting machine is installed at the front end of the disc connecting frame and used for cutting the polyester film. And the arranged polyester film packaging device is driven by a motor, automatic packaging is achieved, the packaging precision is improved, and the production efficiency is remarkably improved. Meanwhile, the polyester film is fixed through the wool felt piece and the spring, the stability and uniformity of the film in the packaging process are guaranteed, and errors caused by manual operation are effectively avoided. In addition, the cutting machine is further arranged, the polyester film can be automatically cut after packaging is completed, and the production efficiency and the product quality are further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mutual inductor core processing, and specifically relates to an automatic taping machine for mutual inductor cores. BACKGROUND

[0002] Mutual inductors are critical devices in power systems for measuring current and voltage, and the quality and production process of their cores play a decisive role in their performance. The core is usually made of silicon steel sheets to improve permeability and reduce energy loss. Since mutual inductors often work in high-voltage and high-current environments, their insulation performance is particularly important. Polyester film, as an electrical insulating material, can effectively isolate parts of different potentials, thereby significantly improving the insulation performance of the mutual inductor. In addition, polyester film can effectively reduce the leakage current inside the mutual inductor due to its excellent insulation properties, thereby improving measurement accuracy.

[0003] Currently, the polyester film wrapping of mutual inductor cores is mainly completed by manual winding, but this operation method has the following disadvantages and drawbacks:

[0004] Firstly, the error of manual operation can cause the polyester film to be unevenly wound on the mutual inductor core. This unevenness can negatively affect the electrical performance of the mutual inductor, such as increasing the leakage current, thereby reducing the measurement accuracy of the mutual inductor.

[0005] Secondly, the manual winding process requires a lot of time and manpower, and the production efficiency is relatively low. In the case of high demand for mutual inductors, manual winding may become a bottleneck in the production process, restricting the overall production progress.

[0006] In addition, due to the variability and uncertainty of manual operation, the quality of each winding may fluctuate. This not only may cause inconsistencies in the performance of the mutual inductor, but also may produce unqualified products, affecting the stability of the overall product quality.

[0007] Therefore, based on the above technical problems, it is necessary for those skilled in the art to develop an automatic taping machine for mutual inductor cores. UTILITY MODEL CONTENTS

[0008] The utility model aims to provide an automatic taping machine for mutual inductor cores to solve the problems raised in the background art.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0010] The technical scheme of the automatic tape winding machine for a mutual inductor core comprises a base, a support arranged on the base, a circular ring mounted on the support, a disc connecting frame mounted on the top of the support, a rotating shaft motor mounted on the disc connecting frame, a disc connected to the output end of the rotating shaft motor, the disc being used for mounting a polyester film tray, a guide shaft arranged below the disc connecting frame, two groups of metal sheets arranged below the guide shaft, wool felt sheets arranged between the two groups of metal sheets, the polyester film being arranged between the two groups of wool felt sheets, and a cutting machine mounted on the front end of the disc connecting frame, the cutting machine being used for cutting the polyester film.

[0011] As a preferred technical scheme, two groups of bolts are mounted on the metal sheets, springs are arranged on the bolts, and the springs are used for pressing the metal sheets and the wool felt sheets to fix the polyester film.

[0012] As a preferred technical scheme, two groups of driven rubber wheels are arranged on the base, driving rubber wheels are arranged on the opposite sides of the driven rubber wheels, and driving motors are connected to the shaft ends at the bottom of the driving rubber wheels.

[0013] As a preferred technical scheme, the circular ring comprises an outer ring, the outer ring is provided with a notch, buckles are arranged on the notch, connecting plates are connected to the tails of the buckles, and the connecting plates are used for closing the notch.

[0014] As a preferred technical scheme, mutual inductor cores are arranged between the two groups of driven rubber wheels and the driving rubber wheels.

[0015] As a preferred technical scheme, the disc shaft end and the disc connecting frame are connected through a wing nut in a threaded mode, and a tension spring is arranged on the inner side of the wing nut.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The polyester film packaging device is driven by a motor, automatic packaging is realized, the packaging precision is improved, the production efficiency is improved, the wool felt sheets and the springs are used for fixing the polyester film, the stability and uniformity of the film in the packaging process are ensured, the error caused by manual operation is avoided, the cutting machine is arranged, the polyester film can be cut automatically after packaging, the production efficiency and the product quality are further improved, the circular ring is convenient for installation and dismounting, different sizes of mutual inductor cores are packaged, the two groups of driven rubber wheels and the driving rubber wheels are arranged, the mutual inductor cores are stably conveyed, and the packaging process is ensured to be smoothly performed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of an automatic tape-wrapping machine for a transformer core.

[0019] Figure 2 It is a three-dimensional structure schematic view of an automatic tape-wrapping machine for a transformer core.

[0020] Figure 3 It is a partial structure schematic view of an automatic tape-wrapping machine for a transformer core.

[0021] Figure 4 It is a ring structure schematic view of an automatic tape-wrapping machine for a transformer core.

[0022] In the figure, 1 is a base, 2 is a support, 21 is a ring, 211 is an outer ring, 212 is a buckle, 213 is a connecting piece, 22 is a disc connecting frame, 23 is a rotating shaft motor, 24 is a disc, 25 is a butterfly nut, 26 is a tension spring, 27 is a guide shaft, 28 is a metal sheet, 29 is a wool felt sheet, 30 is a bolt, 31 is a spring, 32 is a cutting machine, 4 is a polyester film, 51 is a driving rubber wheel, 52 is a driven rubber wheel, and 6 is a transformer core. DETAILED DESCRIPTION

[0023] The features and exemplary embodiments of each aspect of the present application will be described in detail below, in order to make the purpose, technical scheme and advantages of the present application more clear and apparent, the present application will be described in further detail below in combination with the drawings and specific embodiments. For those skilled in the art, the present application can be implemented without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by showing examples of the present application.

[0024] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the present application provides a technical scheme of an automatic tape-wrapping machine for a transformer core: including a base 1, the base 1 as the basis of the entire automatic tape-wrapping machine needs to have sufficient strength and stability to support the weight and movement of other components.

[0025] The support 2 is installed on the base 1 and used to support the ring 21 and the disc connecting frame 22. The support 2 can be welded from a metal pipe or a profile to ensure its stable structure and be able to bear the weight of the disc connecting frame 22 and the rotating shaft motor 23.

[0026] The circular ring 21 is mounted on the support 2 for fixing the polyester film material disc. The circular ring 21 can be designed as a detachable structure to facilitate the replacement of polyester film material discs of different sizes. The outer ring 211 of the circular ring 21 is provided with a notch, and a buckle 212 is mounted on the notch. The tail of the buckle 212 is connected with a connecting piece 213 for closing the notch and ensuring the stable installation of the polyester film material disc.

[0027] The disc connecting frame 22 is mounted on the top of the support 2, and the rotating shaft motor 23 is mounted on the disc connecting frame 22. The output end of the rotating shaft motor 23 is connected with a disc 24, and the disc 24 is used for mounting the polyester film material disc. The rotating shaft motor 23 can be a stepping motor or a servo motor to realize accurate control of the winding speed and tension of the polyester film.

[0028] The guide shaft 27 is arranged below the disc connecting frame 22, and two groups of metal sheets 28 are arranged below the guide shaft 27. Wool felt sheets 29 are arranged between the metal sheets 28, and the polyester film 4 is connected between the two groups of wool felt sheets 29 to ensure smooth passing of the polyester film and filter out foreign matters on the surface of the polyester film, solving the problem of dust deposition of the polyester film during the winding process of the wrapped iron core, thereby improving the winding quality and the performance of the transformer.

[0029] The metal sheets 28 are mounted with two groups of bolts 30, and the bolts 30 are externally sleeved with springs 31. The springs 31 are used for extruding the metal sheets 28 and the wool felt sheets 29 to fix the polyester film 4 and prevent it from sliding during the winding process.

[0030] Through the spring clamping force, the polyester film is not easy to fall off after cutting, and the staff can easily pull it when winding the next iron core, thereby improving the production efficiency.

[0031] The base 1 is provided with two groups of driven rubber wheels 52, and the driven rubber wheels 52 are provided with driving rubber wheels 51 on opposite sides. The driving rubber wheels 51 are connected with driving motors at the bottom shaft end for driving the rotation of the transformer iron core 6 to realize the rapid wrapping of the polyester film 4.

[0032] The shaft end of the disc 24 is threadedly connected with the disc connecting frame 22 through a wing nut 25, and the inside of the wing nut 25 is provided with a tension spring 26 to maintain the stable tension of the polyester film 4.

[0033] Through the above structure, the transformer iron core automatic wrapping machine can realize the automatic winding, stable conveying and accurate cutting of the polyester film, thereby improving the production efficiency and product quality.

[0034] The working principle and use process of the utility model: after the components of the scheme are assembled in sequence, the above-mentioned each embodiment is sequentially operated according to actual demand, and the whole working step can be completed.

[0035] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

[0036] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0037] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connection", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific circumstances by the ordinary skilled person in the art.

[0038] According to the above embodiment of the utility model, these embodiments do not describe all the details, and the utility model is limited to the specific embodiments. Obviously, according to the above description, many modifications and changes can be made. The embodiments are selected and specifically described in the specification in order to better explain the principle and practical application of the utility model, so that the skilled person in the art can well utilize the utility model and make modifications and use on the basis of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic taping machine for a transformer core, characterized by, Including base (1), be provided with support (2) on base (1), install circular ring (21) on support (2), install disc connecting frame (22) on support (2) top, install rotating shaft motor (23) on disc connecting frame (22), the output end of rotating shaft motor (23) is connected with disc (24), disc (24) is used for installing polyester film material tray, the lower portion of disc connecting frame (22) is provided with guide shaft (27), the lower portion of guide shaft (27) is provided with two groups of metal sheet (28), the between two groups of metal sheet (28) is provided with wool felt piece (29), polyester film is connected between two groups of wool felt piece (29), the front end of disc connecting frame (22) is installed with cutting machine (32), cutting machine (32) is used for cutting polyester film (4).

2. The automatic taping machine for a transformer core according to claim 1, characterized in that: Two groups of bolts (30) are installed on metal sheet (28), spring (31) is sleeved on bolt (30), spring (31) is used for extruding metal sheet (28), wool felt piece (29) fixed polyester film (4).

3. The automatic taping machine for a transformer core according to claim 1, characterized in that: The lower portion of base (1) is provided with two groups of driven rubber wheel (52), the opposite side of driven rubber wheel (52) is provided with drive rubber wheel (51), the bottom shaft end of drive rubber wheel (51) is connected with drive motor.

4. The automatic taping machine for a transformer core according to claim 3, characterized in that: The circular ring (21) includes outer ring (211), the outer ring (211) is provided with notch, the notch is provided with buckle (212), the tail of buckle (212) is connected with connecting sheet (213), the connecting sheet (213) is used for closing notch.

5. An automatic taping machine for transformer cores as claimed in claim 4, characterized in that: Two groups of driven rubber wheel (52), drive rubber wheel (51) are provided with mutual inductor iron core (6) between.

6. The automatic taping machine for a transformer core according to claim 1, characterized in that: The disc (24) shaft end is connected with disc connecting frame (22) through butterfly nut (25) thread, and the inside of butterfly nut (25) is provided with tension spring (26).