Title:
マイクロチャネル扁平管のロール成形機及び成形方法
Document Type and Number:
Japanese Patent JP6660086
Kind Code:
B2
Abstract:
The invention discloses a roll bending forming device for ten-hole micro-channel flat tubes. The roll bending forming device comprises an uncoiling machine, a straightening machine and a roll bending forming unit which are sequentially arranged. The roll bending forming unit comprises an upper row of mill rolls, a lower row of mill rolls, a brazing flux coating device and a product straightening device, multi-pass roll bending forming roll pairs are sequentially configured to form the upper row of mill rolls and the lower row of mill rolls, the brazing flux coating device and the product straightening device are arranged among the roll bending forming roll pairs, gaps are reserved between the upper row of mill rolls and the lower row of mill rolls, and the shapes and the sizes of the gaps are matched with the shapes and the sizes of the ten-hole micro-channel flat tubes. The invention further discloses a forming method implemented by the forming device. The roll bending forming device and the forming method have the advantages that precision dies can be omitted, a series of problems caused during continuous extrusion can be solved, and the manufactured flat tubes are stable in quality; the extrusion speed normally ranges from 2 meters per minute to 3 meters per minute when ten-hole micro-channel flat tubes are manufactured in an extrusion mode, but the roll bending technological manufacturing speed is higher than 80 meters per minute, and the manufacturing efficiency can be improved by 20 times as compared with the traditional extrusion mode; additional welding techniques are omitted in roll bending forming procedures, and integral heat exchangers can be manufactured only by the aid of a brazing technique.
Inventors:
Lee Dayon
Mando Takashi
Tan Din
Elephant Tiancia
Shin Juan
Pen inphone
Masamitsu Kita
Naosuke Isomoto
Mando Takashi
Tan Din
Elephant Tiancia
Shin Juan
Pen inphone
Masamitsu Kita
Naosuke Isomoto
Application Number:
JP2015006876A
Publication Date:
March 04, 2020
Filing Date:
January 16, 2015
Export Citation:
Assignee:
Shanghai Jiao Tong University
Aida Engineering Co., Ltd.
Aida Engineering Co., Ltd.
International Classes:
B21D5/08; B21D1/05; B21D3/02; B21D5/12; B21D43/02; B21D43/28; B21D53/04; B23D23/00; B23K1/00; B23K3/00
Domestic Patent References:
| JP2012196713A | ||||
| JP11104768A | ||||
| JP7041331B2 | ||||
| JP2013234376A | ||||
| JP57127320U |
Foreign References:
| WO2012106242A2 | ||||
| EP1712862A2 | ||||
| EP1941954A1 | ||||
| US20120247600 | ||||
| CN101186014A |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Shigeru Sakuma
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Shigeru Sakuma