Device for preparing a magnetic core with a thin amorphous ribbon

Patent metadata

Field	Value
Publication number	US-11636975-B2
Application number	US-202016950032-A
Country	US
Kind code	B2
Filing date	Nov 17, 2020
Priority date	Sep 16, 2019
Publication date	Apr 25, 2023
Grant date	Apr 25, 2023

Abstract

The invention discloses a method and its device for preparing a magnetic core with amorphous ribbon. The magnetic core is prepared with amorphous ribbon, the size of the amorphous ribbon is controlled according to the target requirements, and the magnetic core with required size and shape is prepared according to the target requirements; the single-roller rapid quenching technology with online automatic segmentation and automatic storage capability is used for preparation, which can control the length, width and thickness of the amorphous ribbon according to the target requirements; the amorphous ribbon segmented by single-roller rapid quenching technology is used to spray and cool down one by one, and then air-dry, transfer, spray adhesive and online store it one by one; the stored amorphous ribbon is reshaped, compressed and heat-treated successively, and then demoulded to prepare a magnetic core.

First claim

The invention claimed is:

1. A device for preparing a magnetic core with a thin amorphous ribbon, which comprises a single-roller rapid quenching mechanism, and wherein an output end of the single-roller rapid quenching mechanism is provided with a material collecting mechanism, the material collecting mechanism comprises an inclined material collecting plate ( 2 ), a cooling liquid sprinkler head ( 4 ) is provided above the material collecting plate ( 2 ), and a cooling liquid recovery pool ( 5 ) is provided below the material collecting plate ( 2 ); side plates ( 3 ) are provided on sides of the material collecting plate ( 2 ), and two of the side plates ( 3 ) provided on both sides of the material collecting plate ( 2 ) repeat relative movement back and forth in a direction perpendicular to a transmission direction of the thin amorphous ribbon in a transmission process of the thin amorphous ribbon, so as to play an uniform role on the thin amorphous ribbon in the transmission process,
wherein the material collecting plate ( 2 ) is provided with a plurality of fumaroles ( 6 ), the fumaroles ( 6 ) are connected with an air pump ( 7 ) by a pipeline, and the air pump ( 7 ) provides high-pressure gas for the fumaroles ( 6 ),
wherein an output end of the material collecting plate ( 2 ) is provided with a guide roller ( 8 ), an end of the guide roller ( 8 ) far away from the material collecting plate ( 2 ) is provided with two symmetrically provided splints ( 9 ), between the two splints ( 9 ) and the material collecting plate ( 2 ) is provided with a thin amorphous ribbon guide slide rail ( 32 ), and ends of the two splints ( 9 ) far away from the guide roller ( 8 ) is connected with a processing conveyor belt ( 10 ), the processing conveyor belt ( 10 ) is connected with a feeding conveyor belt ( 11 ), the feeding conveyor belt ( 11 ) is located at bottoms of the splints ( 9 ), and the processing conveyor belt ( 10 ) and the feeding conveyor belt ( 11 ) are provided with a material collecting box ( 12 ); the two symmetrically provided splints ( 9 ) repeat movement back and forth in the process of the thin amorphous ribbon ( 1 ) being stored into the material collecting box ( 12 ), and the thin amorphous ribbon ( 1 ) falling the material collecting box ( 12 ) is uniformed.

2. The device for preparing the magnetic core with the thin amorphous ribbon as described in claim 1 , wherein the cooling liquid recovery pool ( 5 ) is connected with a pressure pump ( 13 ) by a pipeline, and the pressure pump ( 13 ) is connected with the cooling liquid sprinkler head ( 4 ) by a pipeline.

3. The device for preparing the magnetic core with the thin amorphous ribbon as described in claim 1 , wherein a transfer conveyor belt ( 14 ) is connected between the feeding conveyor belt ( 11 ) and the processing conveyor belt ( 10 ), and
wherein an output end of the feeding conveyor belt ( 11 ) is provided with a first lifting platform, the first lifting platform and the two splints ( 9 ) are provided up and bottom correspondingly, and a second lifting platform is provided between an output end of the processing conveyor belt ( 10 ) and an input end of the transfer conveying belt ( 14 ).

4. The device for preparing the magnetic core with the thin amorphous ribbon as described in claim 3 , wherein a mould cavity ( 24 ) is provided in the material collecting box ( 12 ), an adhesive spraying head ( 16 ) is provided above the mould cavity ( 24 ), and the adhesive spraying head ( 16 ) is correspondingly provided with the first lifting platform; the adhesive spraying head ( 16 ) sprays the thin amorphous ribbon ( 1 ) falling into the mould cavity ( 24 ) layer by layer; a length of the mould cavity ( 24 ) is consistent with a length of the thin amorphous ribbon ( 1 ) falling into the mould cavity ( 24 ), and the thin amorphous ribbon ( 1 ) falling into the mould cavity ( 24 ) is uniformed in the storage process by the relative clamping movement of the two splints ( 9 ).

5. The device for preparing the magnetic core with the thin amorphous ribbon as described in claim 3 , wherein the first lifting platform comprises a first hydraulic cylinder ( 17 ), a piston end of the first hydraulic cylinder ( 17 ) is fixed with a first connecting rod ( 18 ), the first connecting rod ( 18 ) is axially connected with a first platform ( 19 ) by a shaft lever, and the shaft lever is connected with an output shaft of the motor ( 20 );
wherein the second lifting platform comprises a second hydraulic cylinder ( 21 ), a piston end of the second hydraulic cylinder ( 21 ) is fixed with a second connecting rod ( 22 ), and the second connecting rod ( 22 ) is fixed with a second platform ( 23 ).

6. The device for preparing the magnetic core with the thin amorphous ribbon as described in claim 5 , wherein the processing conveyor belt ( 10 ) is provided with a pressing device ( 31 ) and a heating device ( 15 ), the mould cavity ( 24 ) in the material collecting box ( 12 ) stores enough the thin amorphous ribbon ( 1 ) according to target requirements after being reshaped and compressed by the pressing device ( 31 ), and the processed conveyor belt ( 10 ) is conveyed to the heating device ( 15 ) for a heat treatment; the thin amorphous ribbon ( 1 ) in the mould cavity ( 24 ) after the heat treatment is conveyed by the processing conveyor belt ( 10 ) to the second platform ( 23 ) in the second lifting platform for demoulding to obtain the magnetic core.

Assignees

• Univ Zhejiang Normal

Inventors

• Fang Yunzhang
• Li Wenzhong
• Fang Zheng
• Ma Yun
• Pan Rimin
• Ye Huiqun
• Zheng Jinju
• Jin Linfeng
• Fan Xiaozhen

Classifications

• H01F1/15341

  Preparation processes therefor · CPC title

• H01F41/0226 Primary

  from amorphous ribbons · CPC title

• H01F41/0246

  Manufacturing of magnetic circuits by moulding or by pressing powder (magnetic cores made by moulding or by pressing powder H01F27/255; soft magnetic particles H01F1/20, H01F1/36) · CPC title

• H01F1/15366

  using a binder · CPC title