JPS60136375U

JPS60136375U - induction heating roller

Info

Publication number: JPS60136375U
Application number: JP19687184U
Authority: JP
Inventors: 北野　山人
Original assignee: 特殊電機株式会社
Priority date: 1984-12-28
Filing date: 1984-12-28
Publication date: 1985-09-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の全体の正面図で断面図で示される。第
２図は第１図におけるＡ−Ａ’断面図、第３図は本願の
゛要部におけるローラ、高電導層ならびに内筒における
電流、磁束等を示す説明図、第４図は本考案における電
流、磁束のベクトル図、第５図は従来の誘導発熱ローラ
の一例の正面断面図である。１・・・ローラ、２・・・ローラの前蓋、３・・・ロー
ラの中心軸、４・・田−ラの開放端面、５・・・軸承ボ
ックス、６・・・軸承、７・・・高電導層の二次導体、
８・・・内筒、９，９′・・・二次導体押え、１０・・
・鉄心、１１・・・磁性継鉄、１２・・・１０の一端、
１３・・・絶縁紙、１４・・・巻線、１５−・・・磁束
発生機構、１６・・・つば１．１′７・・・１４の入力
端子、１８・・・切り溝、１９・・・検温用センサー、
２０・・・６−ラ、２１・・・高電導層の゛′二次導体
、２２・・・鉄心、２３・・・巻線、２４・・・中心軸
、ｅ・・・交流電源、１０・・・磁化電流、φ・・・磁
束、ｉｃｍ・・・ローラ１の円周方向の短絡電流、φＣ
□・・・ｉｃｍにより発生した逆磁束、ｉｓ・・・７を
環流する短絡電流、ｉｃ２・・・８を環流する短絡電流
、１・・・８の軸方向の幅、ｔ・・・８の厚ざ、φＣ２
・・・ｉＣ２により発生した漏洩磁束、ｃｏｓφ・・・
力率。FIG. 1 shows the entire invention in front view and in sectional view. Fig. 2 is a sectional view taken along the line A-A' in Fig. 1, Fig. 3 is an explanatory diagram showing the current, magnetic flux, etc. in the main parts of the roller, highly conductive layer, and inner cylinder of the present invention, and Fig. 4 is a cross-sectional view of the present invention. A vector diagram of current and magnetic flux, and FIG. 5 is a front sectional view of an example of a conventional induction heating roller. DESCRIPTION OF SYMBOLS 1...Roller, 2...Roller front cover, 3...Roller center axis, 4...Open end face of roller, 5...Bearing box, 6...Bearing, 7...・Secondary conductor of high conductivity layer,
8...Inner cylinder, 9,9'...Secondary conductor holder, 10...
・Iron core, 11...Magnetic yoke, 12...One end of 10,
13... Insulating paper, 14... Winding wire, 15-... Magnetic flux generation mechanism, 16... Input terminal of collar 1.1'7... 14, 18... Cut groove, 19...・Temperature sensor,
20... 6-ra, 21... Secondary conductor of high conductivity layer, 22... Iron core, 23... Winding wire, 24... Central axis, e... AC power supply, 10 ...Magnetizing current, φ...Magnetic flux, icm...Short circuit current in the circumferential direction of roller 1, φC
□...Reverse magnetic flux generated by icm, short circuit current circulating in is...7, short circuit current circulating in ic2...8, axial width of 1...8, t...8 Thickness, φC2
...Leakage magnetic flux generated by iC2, cosφ...
Power factor.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

一方の端面が無蓋で開放された磁性材料よりなり軸承に
て回転自在に支承される円筒状ローラと、このローラの
内部にあって鉄心の外周に巻線を捲装してなる磁束発生
機構と、および、上記のローラの内周に密着、して設け
られる円筒状の高電導層の二次導体とより成り、上記の
二次導体の軸方向の内面の適所にあってこの二次導体と
同心的に設けられ、所要の幅および厚さを有し、かつ、
上記のローラと同一の磁性材よりなり上記の口“ニラと
同一の熱膨張係数を有する内筒を上記の二次導体の内周
面に精密に嵌合してなることを特徴とする誘導発熱ロー
ラ。A cylindrical roller made of a magnetic material with one end open and open and rotatably supported on a shaft bearing, and a magnetic flux generating mechanism that is located inside this roller and has a winding wound around the outer periphery of an iron core. , and a cylindrical high-conductivity layer secondary conductor provided in close contact with the inner periphery of the roller, and a secondary conductor located at a suitable position on the inner surface in the axial direction of the secondary conductor. are arranged concentrically, have the required width and thickness, and
Induction heating characterized by an inner tube made of the same magnetic material as the roller and having the same coefficient of thermal expansion as the chive, precisely fitted onto the inner peripheral surface of the secondary conductor. roller.