CN103108424A - Induction heating roller device - Google Patents
Induction heating roller device Download PDFInfo
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- CN103108424A CN103108424A CN2011103534863A CN201110353486A CN103108424A CN 103108424 A CN103108424 A CN 103108424A CN 2011103534863 A CN2011103534863 A CN 2011103534863A CN 201110353486 A CN201110353486 A CN 201110353486A CN 103108424 A CN103108424 A CN 103108424A
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- main body
- heat generation
- roller main
- roller device
- roller
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/14—Tools, e.g. nozzles, rollers, calenders
- H05B6/145—Heated rollers
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- General Induction Heating (AREA)
Abstract
The invention provides an induction heating roller device. The heating temperature can be set regardless of the rotating speed of a roller main body, and the temperature of the roller main body can be uniform. The induction heating roller device is characterized in that at the inner portion of the roller main body (2) which is supported in a freely rotating mode, a magnetic flux generating mechanism (3) and the roller main body are arranged coaxially, and the magnetic flux generating mechanism (3) is provided with a cylindrical iron core (31) and an induction coil (32) which winds the periphery of the cylindrical iron core (31).
Description
Technical field
The present invention relates to respond to heat generation roller device.
Background technology
In the past, in such as operation of the sheetings such as plastic film, paper, cloth, nonwoven fabrics, synthetic fibers, metal forming or the continuous materials such as textile material, line (silk) material being carried out continuous heat etc., as shown in patent documentation 1, use the heated heat roller device of roller main body.
This heat roller device comprises the roller main body, be configured in the magnet of this roller body interior and drive the driving mechanism that this magnet rotates with respect to the roller main body, in the alternating magnetic field that the rotation because of described magnet produces, and the sensed heating of roller main body.
, in this heat roller device, owing to connecting the side perisporium of roller main body on radial direction from the magnetic flux of magnet, so closely related with the rotating speed of roller main body over time with the magnetic flux quantity of roller main body interlinkage.Therefore, because the induced current that is determined over time by interlinkage flux quantity changes according to the velocity of rotation of roller main body, so there is the problem that irrespectively to set the heating temp of the roller main body that determined by described induced current with the velocity of rotation of roller main body.In addition, for the heating temp that makes the roller main body even, need to be along the whole interior lateral circle surface distributed magnet of roller main body, but realize that in the configuration aspects of roller main body this point is difficult.Therefore exist the heating temp of roller main body can produce inhomogeneous problem.
Patent documentation 1: No. 5-121157, Japanese Patent Publication communique Unexamined Patent
Summary of the invention
So in view of described problem, main purpose of the present invention is to provide a kind of induction heat generation roller device, can irrespectively sets heating temp with the velocity of rotation of roller main body, and make the temperature of roller main body even.
Namely, induction heat generation roller device of the present invention, in the roller body interior that is supported in the mode of rotating freely, magnetic flux is produced mechanism with described roller main body configures coaxially, described magnetic flux produces mechanism to have cylinder iron core and is wrapped in induction coil on this cylinder iron core periphery.
According to described induction heat generation roller device, produce mechanism owing to configuring coaxially with the roller main body magnetic flux that is consisted of by cylinder iron core and induction coil, so produced the magnetic flux of mechanism's generation by this magnetic flux along the side perisporium of rotating shaft direction by the roller main body, thereby produce induced current on the roller main body, make the roller main body produce Joule heat by this induced current.Therefore, can irrespectively set heating temp with the velocity of rotation of roller main body, and can make the temperature of roller main body even.
As being used for, magnetic flux is produced the concrete structure that mechanism is configured in the roller body interior, preferably, produce mechanism by the described magnetic flux of supporting members supports, described supporting member is arranged at least one end at axial both ends of described cylinder iron core.
Produce the occupation efficiency of the induction coil in mechanism in order to improve magnetic flux, preferably, described induction coil is the edgewise wound coil (エ Star ジ ワ イ ズ コ イ Le) that lenticular wire is entwined with edgewise winding.
In order to make the side perisporium more uniform temperature of roller main body, preferably, in the inside of the side perisporium of described roller main body, be provided with the confined space of the thermal medium of having enclosed gas-liquid two-phase.
There is the limit of the maximum temperature that can use in iron core.That is, iron core has Curie point (unmagnetized temperature), and near this temperature, relative permeability is more near 1 along with more, and the performance reduction as iron core is difficult to make the roller heating, so the maximum temperature that roller can use is restricted.There is in addition following problems: when induction coil also at high temperature uses, consider from the oxidation of electric wire and the stable on heating angle of insulating material, also can make the lifetime of induction coil, due to the measure that prevents the electric wire oxidation and the necessary thermal endurance that improves insulating material, can cause cost to improve.In order to solve described problem, preferably, the flow arrangement that coolant flows interior Monday of described iron core side or outside Monday side.
Preferably, described induction coil is the conductor (hollow coil-conductor) with hollow structure, and coolant is flowed in the intermediate space of described hollow coil-conductor.Thus, self is cooled conductor, can avoid its temperature to raise.In addition, iron core is cooling fast by the conductor that is cooled.Cooling induction coil and iron core efficiently thus.
Preferably, described roller main body is bearing on support in the mode of rotating freely, produces at the described magnetic flux that is configured in described roller body interior on the both ends of mechanism supporting member is set, and bearing is between described supporting member and described roller main body.Thus, can produce by roller body abutment magnetic flux the load of mechanism, and can the roller main body be rotated keeping that magnetic flux is produced under the static state of mechanism.
For the temperature of pair roller main body manages, preferably, has the temperature sensor of the inside of the side perisporium that inserts described roller main body.In order to export to fixing a side from the detection signal that is located at as the temperature sensor on the roller main body of rotating part by simple structure handle, preferably, has the temperature output mechanism, this temperature output mechanism is sent to the detection signal from described temperature sensor in non-contacting mode and fixes a side from described roller main body one side, described temperature output mechanism is exported the temperature of described roller main body to fixing a side.
In addition, can consider fixing a side and be provided for the temperature sensor of the temperature of measuring roll main body, and described temperature output mechanism is not set, in this case, preferably, by form on the axial end that temperature sensor is inserted in described roller main body and in the groove of circumferencial direction, detect the temperature of described roller main body.
Scaling loss for the excessive intensification that prevents because of induction coil causes preferably, arranges the temperature sensor that detects described induction coil temperature, and the temperature of induction coil is managed.
According to the present invention of described structure, can irrespectively set heating temp with the velocity of rotation of roller main body, and can make the temperature of roller main body even.
Description of drawings
Fig. 1 is the cutaway view of the induction heat generation roller device of one embodiment of the present invention.
Fig. 2 is the cutaway view that represents in detail supporting member and induction coil.
Fig. 3 is the cutaway view that represents in detail supporting member and induction coil.
Fig. 4 is the cutaway view of the induction heat generation roller device of distortion execution mode.
Fig. 5 is the cutaway view of the induction heat generation roller device of distortion execution mode.
Fig. 6 is the cutaway view of the induction heat generation roller device of distortion execution mode.
Fig. 7 means the cutaway view of the variation of induction coil.
Fig. 8 means the cutaway view of variation of the surface temperature of measuring roll main body.
Fig. 9 means the cutaway view that detects the induction coil temperature.
Description of reference numerals
100 ... the induction heat generation roller device
2 ... the roller main body
21 ... the side perisporium
21A ... confined space
3 ... magnetic flux produces mechanism
31 ... cylinder iron core
32 ... induction coil
52 ... support
6 ... supporting member
7 ... bearing
T1 ... roller one side temperature sensor
8 ... the temperature output mechanism
2M ... groove
T2 ... fix a side temperature sensor
T3 ... the coil temperature sensor
Embodiment
With reference to the accompanying drawings an execution mode of induction heat generation roller device of the present invention described.
The induction heat generation roller device 100 of present embodiment such as the continuous heat operation that is used for the sheeting such as plastic film, paper, cloth, nonwoven fabrics, synthetic fibers, metal forming or textile material, line (silk) material etc. etc., as shown in Figure 1, induction heat generation roller device 100 comprises: the roller main body 2 of hollow circle tube is supported in the mode of rotating freely; And magnetic flux produces mechanism 3, is contained in described roller main body 2.
Roller main body 2 is metal, is cylindrical shape, has the hollow bulb that produces mechanism 3 at the internal configurations magnetic flux, and axle journal 41 is arranged on the both ends of roller main body 2.Axle journal 41 is integrally formed with the driving shaft 42 of hollow, and driving shaft 42 is supported on support 52 in the mode of rotating freely by the bearings such as rolling bearing 51.The actuating force rotation that provides from the outside by such as motor (there is no expression in figure) etc. is provided for roller main body 2.
In addition, on the side perisporium 21 of roller main body 2, equally spaced be formed with a plurality of confined spaces (big envelope chamber) 21A on circumferentially, described big envelope chamber 21A extends along long side direction (central axis direction), enclose the thermal medium of gas-liquid two-phase, end and looping pit 21B in each big envelope chamber 21A are continuous, and each big envelope chamber 21A is interconnected.Utilize the latent heat of the thermal medium of enclosing the gas-liquid two-phase in described big envelope chamber 21A to carry, make the surface temperature of roller main body 2 even.In addition, a plurality of big envelopes chamber 21A can not be interconnected yet, but forms independently of each other, can be divided into many groups to a plurality of big envelopes chamber 21A, between the big envelope chamber 21A by each groups of connection such as connectivity slots yet.
In addition, be provided with roller one side temperature sensor T1 on roller main body 2, this roller one side temperature sensor T1 for example is made of thermocouple, for detection of the temperature of roller main body 2.In the present embodiment, in roller main body 2, be penetrated with pore between the outer peripheral face of big envelope chamber 21A and roller main body 2, by roller one side temperature sensor T1 is inserted this pore, roller one side temperature sensor T1 be arranged on roller main body 2.In addition, Reference numeral " L1 " is to get outside lead-in wire for handle from the signal of roller one side temperature sensor T1.
Magnetic flux produces mechanism 3 and comprises columnar cylinder iron core 31 and induction coil 32, and this induction coil 32 is made of the conductor on these cylinder iron core 31 outside circumference.
Both ends at cylinder iron core 31 are equipped with respectively supporting member 6.As form the method for supporting member 6 at the both ends of cylinder iron core 31, can consider as shown in Figure 2, inside by inserting cylinder iron core 31 also keeps the magazine CH of this cylinder iron core 31 to form supporting member 6, perhaps as shown in Figure 3, form supporting member 6 at the both ends of cylinder iron core 31.
As shown in Figure 1, this supporting member 6 passes respectively the inside of driving shaft 42, is supported in the mode of rotating freely with respect to driving shaft 42 by the bearings such as rolling bearing 7.Thus, magnetic flux produces mechanism 3 and is supported with vacant state in roller main body 2 inside.
Utilize such magnetic flux to produce mechanism 3, when applying alternating voltage on induction coil 32, can produce alternating flux, this alternating flux is by the side perisporium 21 of roller main body 2.Because the side perisporium 21 of this alternating flux by roller main body 2, thus near the side perisporium 21 of roller main body 2 interior week produce induced current, by this induced current, the whole side perisporium 21 of roller main body 2 produces Joule heats.
In addition, as shown in Figure 1, the induction heat generation roller device 100 of present embodiment has temperature output mechanism 8, this temperature output mechanism 8 is the detection signal from the roller one side temperature sensor T1 of side perisporium 21 inside of inserting roller main body 2, be sent to and fix a side from roller main body one side (rotating a side) in non-contacting mode, thereby the surface temperature of roller main body 2 is exported to fixing a side.
Induction heat generation roller device 100 according to the present embodiment of described structure, produce mechanism 3 owing to having configured coaxially with roller main body 2 magnetic flux that is consisted of by cylinder iron core 31 and induction coil 32, so pass through the side perisporium 21 of roller main body 2 along rotating shaft direction by the magnetic flux that is produced mechanism's 3 generations by this magnetic flux, thereby produce induced current in roller main body 2, by this induced current, roller main body 2 produces Joule heat.Therefore, can irrespectively set heating temp with the velocity of rotation of roller main body 2, and can make the temperature of roller main body 2 even.
In addition, the invention is not restricted to described execution mode.For example, in said embodiment, hold the Chi type for the double base mode (both that the both ends of roller main body are supported) the induction heat generation roller device be illustrated, but also go for rotating freely mode induction heat generation roller devices of an axle journal of 2 supportings only.In addition, as shown in Figure 4, also go for the induction heat generation roller device 100 of so-called single support pattern (sheet is held the Chi type).
The induction heat generation roller device 100 of this list support pattern comprises: the roller main body 2 of round-ended cylinder shape is arranged, and section has axle fitting portion 2a in bottom center; Motor M has rotation axis M1, and it is inner that this rotation axis M1 inserts the intermediate space of roller main body 2, and chimeric connection of axle fitting portion 2a of leading section and roller main body 2; Bearing pedestal (support) 12 has flange part 12a and cylindrical portion 12b, and flange part 12a is fixed with the shell MH of motor M, and cylindrical portion 12b is along extending in the intermediate space of roller main body 2, by bearing 11 supporting rotation axis M1; And magnetic flux produces mechanism 3, is fixed on the flange part 12a of bearing pedestal 12 along the inner peripheral surface of roller main body 2, makes 2 heatings of roller main body.In the induction heat generation roller device of this list support pattern, the rotor coil 81 that consists of resolver is fixed on the rearward end of rotation axis M1, the stator coil 82 that consists of resolver is fixed on the rear end face of shell MH in the mode relative with described rotor coil 81.
In addition, as shown in Figure 5, also can interior side line 9 be set in side interior Monday of cylinder iron core 31, in this, side line 9 forms streams that coolants flow.On the inner peripheral surface of cylinder iron core 31, be provided with a plurality of interior side lines 9 in the mode of ring-type, side line in each 9 is interconnected by tube connector 10a.In addition, be connected with respectively coolant supplying tubing 10b being positioned on the outermost side line 9 in left and right, this coolant supplying tubing 10b is used for making respectively the coolant such as water, oil, gas body in interior side line 9 circulations.For example, if the coolant supplying tubing 10b from the interior side line 9 that is connected to the rightmost side provides coolant, after circling in the interior side line 9 of the rightmost side, flow into by tube connector 10a in the next interior side line 9 in left side.After circling in side line 9 in this, flow into by tube connector 10a in the next interior side line 9 in left side.After repeatedly flowing, flow into coolant in the last interior side line 9 of the leftmost side by the coolant supplying tubing 10b on the interior side line 9 that is connected to this leftmost side in described interior side line 9, be discharged to roller main body 2 outsides.In addition, also can be arranged to a plurality of interior side lines 9 to extend along the central axis direction of cylinder iron core 31, by tube connector 10a, the end of for example central axis direction of side line in each 9 be interconnected.At this, can consider on the inner peripheral surface of roller main body 2, for example on circumferentially, a plurality of interior side lines 9 are set equally spaced.Like this, can cooling drums shape iron core 31, and can solve the problems such as performance reduction of cylinder iron core 31.In addition, except a plurality of interior side lines are set, also can be configured in interior side line 9 helicallies on the inner peripheral surface of cylinder iron core 31.
In addition, as shown in Figure 6, also can outer side line 16 be set in side outer Monday of cylinder iron core 31, this outer side line 16 forms the stream that the coolant such as water, oil, gas bodies flows.Should be arranged between cylinder iron core 31 and induction coil 32 by outer side line 16, along the central axis direction setting of cylinder iron core 31, and make progress in the week of cylinder iron core 31, a plurality of outer side lines 16 for example equally spaced are set.In addition, also can on the outer peripheral face of cylinder iron core 31, upwards in the mode of ring-type, a plurality of outer side lines 16 be set in week.
In addition, as shown in Figure 7, induction coil 32 is made of the conductor 13 with hollow structure (hollow coil-conductor), and the coolant such as water, oil, gas body is flowed the intermediate space 14 of hollow coil-conductor 13 is interior.In addition, in Fig. 7, Reference numeral " 15 " is the insulating material that makes insulation between adjacent conductor 13.Thus, can cooling conductor self, avoid its temperature to raise.In addition, cylinder iron core 31 can be cooling fast by the conductor that is cooled.Thus, cooling induction coil 32 and cylinder iron core 31 efficiently.
As shown in Figure 8, also can by handle fix form on the axial end that a side temperature sensor T2 is inserted in roller main body 2, in circumferential cannelure 2M, come the surface temperature of measuring roll main body 2.At this moment, be fixed on and fix a side (support one side) owing to fixing a side temperature sensor T2, so can not need the temperature output mechanism.Represent to fix a side temperature sensor T2 and be applicable to the situation of the induction heat generation roller device of single support pattern in Fig. 8, but also gone for the induction heat generation roller device of double base mode.
As shown in Figure 9, the coil temperature sensor T3 that detects induction coil 32 temperature also can be set.At this, coil is with temperature sensor T3 is on the outer surface that is arranged on induction coil shown in Figure 9 32, also can be arranged on the inside (specifically being arranged between wire) of induction coil 32 or be arranged on induction coil 32 and cylinder iron core 31 between or along inside or the inner peripheral surface setting of cylinder iron core 31.In addition; the protection tube (not expression in figure) that leads to roller main body 2 outsides by setting; and at the inner coil temperature sensor T3 that inserts of this protection tube; this coil is arranged on described any part with temperature sensor T3; thereby make coil with temperature sensor T3 plug freely, can be easily emat coil temperature sensor T3 more.Thus, can the temperature of induction coil 32 be managed, thereby can prevent the scaling loss that the excessive intensification because of induction coil 32 causes.
In addition, the invention is not restricted to described execution mode, certainly can carry out various distortion without departing from the spirit and scope of the present invention.
Claims (11)
1. respond to heat generation roller device for one kind, it is characterized in that, in the roller body interior that is supported in the mode of rotating freely, magnetic flux is produced mechanism with described roller main body configures coaxially, described magnetic flux produces mechanism to have cylinder iron core and is wrapped in induction coil on this cylinder iron core periphery.
2. induction heat generation roller device according to claim 1, is characterized in that, produces mechanism by the described magnetic flux of supporting members supports, and described supporting member is arranged at least one end at axial both ends of described cylinder iron core.
3. induction heat generation roller device according to claim 1, is characterized in that, described induction coil is the edgewise wound coil that lenticular wire is entwined with edgewise winding.
4. induction heat generation roller device according to claim 1, is characterized in that, in the inside of the side perisporium of described roller main body, is provided with the confined space of the thermal medium of having enclosed gas-liquid two-phase.
5. induction heat generation roller device according to claim 1, is characterized in that, the flow arrangement that coolant flows is in side interior Monday of described iron core.
6. induction heat generation roller device according to claim 1, is characterized in that, the flow arrangement that coolant flows is in side outer Monday of described iron core.
7. induction heat generation roller device according to claim 1, is characterized in that, described induction coil is the hollow coil-conductor, and coolant is flowed in the intermediate space of described hollow coil-conductor.
8. induction heat generation roller device according to claim 1, it is characterized in that, described roller main body is bearing on support in the mode of rotating freely, produce at the described magnetic flux that is configured in described roller body interior on the both ends of mechanism supporting member is set, bearing is between described supporting member and described roller main body.
9. induction heat generation roller device according to claim 1, is characterized in that,
Described induction heat generation roller device comprises:
Temperature sensor is inserted in the inside of the side perisporium of described roller main body; And
The temperature output mechanism is sent to the detection signal from described temperature sensor in non-contacting mode and fixes a side from described roller main body one side,
Described temperature output mechanism is exported the temperature of described roller main body to fixing a side.
10. induction heat generation roller device according to claim 1, is characterized in that, by form on the axial end that temperature sensor is inserted in described roller main body and in the groove of circumferencial direction, detect the temperature of described roller main body.
11. induction heat generation roller device according to claim 1 is characterized in that, has the temperature sensor that detects described induction coil temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103534863A CN103108424A (en) | 2011-11-09 | 2011-11-09 | Induction heating roller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103534863A CN103108424A (en) | 2011-11-09 | 2011-11-09 | Induction heating roller device |
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| CN103108424A true CN103108424A (en) | 2013-05-15 |
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| CN2011103534863A Pending CN103108424A (en) | 2011-11-09 | 2011-11-09 | Induction heating roller device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320900A (en) * | 2013-06-14 | 2013-09-25 | 镇江奥立特机械制造有限公司 | Novel nine-hot-roller draw machine |
| CN103561491A (en) * | 2013-11-05 | 2014-02-05 | 倪伟杰 | Electromagnetic heating device |
| CN105515285A (en) * | 2016-01-12 | 2016-04-20 | 上海吉亿电机有限公司 | Non-contact rotor temperature detection device and method |
| CN108430126A (en) * | 2017-02-13 | 2018-08-21 | 特电株式会社 | Incude heat generation roller device |
| CN111315059A (en) * | 2020-03-12 | 2020-06-19 | 无锡利艾机械制造有限公司 | Electromagnetic heating roller |
| EP3934381A1 (en) * | 2020-07-03 | 2022-01-05 | Tokuden Co., Ltd. | Induction heated roll apparatus |
| CN117722853A (en) * | 2024-01-19 | 2024-03-19 | 广州市励君金属制品有限公司 | Intelligent temperature control gold melting machine |
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| WO2011024508A1 (en) * | 2009-08-27 | 2011-03-03 | トクデン株式会社 | Induction heating roller device |
| WO2011058772A1 (en) * | 2009-11-13 | 2011-05-19 | トクデン株式会社 | Induction heat generation roller device |
| CN202282878U (en) * | 2011-11-09 | 2012-06-20 | 特电株式会社 | Induction heating roller apparatus |
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| WO2011024508A1 (en) * | 2009-08-27 | 2011-03-03 | トクデン株式会社 | Induction heating roller device |
| WO2011058772A1 (en) * | 2009-11-13 | 2011-05-19 | トクデン株式会社 | Induction heat generation roller device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320900A (en) * | 2013-06-14 | 2013-09-25 | 镇江奥立特机械制造有限公司 | Novel nine-hot-roller draw machine |
| CN103561491A (en) * | 2013-11-05 | 2014-02-05 | 倪伟杰 | Electromagnetic heating device |
| CN105515285A (en) * | 2016-01-12 | 2016-04-20 | 上海吉亿电机有限公司 | Non-contact rotor temperature detection device and method |
| CN108430126A (en) * | 2017-02-13 | 2018-08-21 | 特电株式会社 | Incude heat generation roller device |
| KR20180093800A (en) * | 2017-02-13 | 2018-08-22 | 토쿠덴 가부시기가이샤 | Induction heated roll apparatus |
| CN108430126B (en) * | 2017-02-13 | 2021-11-09 | 特电株式会社 | Induction heating roller device |
| KR102388095B1 (en) * | 2017-02-13 | 2022-04-20 | 토쿠덴 가부시기가이샤 | Induction heated roll apparatus |
| CN111315059A (en) * | 2020-03-12 | 2020-06-19 | 无锡利艾机械制造有限公司 | Electromagnetic heating roller |
| CN111315059B (en) * | 2020-03-12 | 2020-12-25 | 无锡利艾机械制造有限公司 | Electromagnetic heating roller |
| EP3934381A1 (en) * | 2020-07-03 | 2022-01-05 | Tokuden Co., Ltd. | Induction heated roll apparatus |
| CN117722853A (en) * | 2024-01-19 | 2024-03-19 | 广州市励君金属制品有限公司 | Intelligent temperature control gold melting machine |
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Application publication date: 20130515 |