CN103338539A - Electromagnetic induction auxiliary heating device for drum-type vulcanizer - Google Patents

Electromagnetic induction auxiliary heating device for drum-type vulcanizer Download PDF

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Publication number
CN103338539A
CN103338539A CN2013102505858A CN201310250585A CN103338539A CN 103338539 A CN103338539 A CN 103338539A CN 2013102505858 A CN2013102505858 A CN 2013102505858A CN 201310250585 A CN201310250585 A CN 201310250585A CN 103338539 A CN103338539 A CN 103338539A
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China
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arc
drum
arc panel
heating device
electromagnetic induction
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CN103338539B (en
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何雪涛
刘肖英
焦志伟
张金云
丁玉梅
杨卫民
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Beijing University of Chemical Technology
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Beijing University of Chemical Technology
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Abstract

The invention relates to an electromagnetic induction auxiliary heating device for a drum-type vulcanizer, which mainly comprises electromagnetic coils, an arc panel and an infrared temperature measurement element, wherein certain distance is maintained between the inner surface of the arc panel and a vulcanization drum; the arc panel is fixed on a rack; the center of the arc on the inner surface of the arc panel coincides with the center of the vulcanization drum; the length of the arc panel is the same as that of the vulcanization drum; a certain amount of deep holes are uniformly distributed in the inner side of the arc panel; each electromagnetic coil is mounted in each deep hole; the height of each electromagnetic coil is the same as the depth of each deep hole; the infrared temperature measurement element is mounted in the center of the inner surface of the arc panel. According to the invention, the electromagnetic heating manner is adopted, and heat is generated in a pressure belt instead of introducing an external heat source to heat the pressure belt, so nearly no energy is consumed during the temperature-rise period of the pressure belt; the heat effect of eddy current enables the pressure belt to rise temperature rapidly, so the heating efficiency is effectively improved, and the vulcanization period is shortened; two adjacent rows of electromagnetic coils are arranged in a staggered manner, so the temperature of the pressure belt is risen uniformly in the axial direction, and the uniformity of vulcanization of a strip plate is ensured.

Description

A kind of drum vulcanizer electromagnetic induction assisted heating device
Technical field
The invention belongs to flat rubber belting, V band continuous vulcanization technical field, particularly a kind of drum vulcanizer electromagnetic induction assisted heating device.
Background technology
Drum vulcanizer is a kind of equipment for continuous vulcanization flat rubber belting or V band.During sulfuration, feed steam or conduction oil in the sulfuration drum, made-up belt enters between press belt and the sulfuration drum through dancer rools, by tensioning apparatus and uphold roller with the press belt tensioning, and is pressed on the made-up belt, and made-up belt is pressurizeed.Actuator drives live-roller, and the frictional drive by press belt slowly rotates the sulfuration drum, and drive other rollers and rotate, sulfuration drum heating made-up belt is realized the sulfuration to made-up belt.Because rubber is the non-conductor of heat, tradition can cause the made-up belt both sides inequality of being heated in the vulcanization of the unidirectional heating of made-up belt one side, and then influence curingprocess rate, reduces and vulcanizes efficient.Production efficiency, shortening cure time in order to improve drum vulcanizer generally adopt the method for setting up the auxiliary firing equipment of electricity in the outside of sheet metal press belt, realize the two-way heating to made-up belt.
At present the auxiliary firing equipment of electricity commonly used mainly contains two kinds in tubular metal Far-infrared Heating device and quartz ampoule Far-infrared Heating device.Its heating principle is outwards radiated electromagnetic wave of heating wire energising back, its outside reforming unit is changed electro-magnetic wave absorption, obtain far-infrared electromagnetic wave, far-infrared electromagnetic wave is as the form arrival sheet metal press belt of a kind of energy carrier by radiation, its inside produced thermal effect after the sheet metal press belt absorbed far-infrared electromagnetic wave, the sheet metal press belt is again with the heat transferred made-up belt, thereby made-up belt is heated.The auxiliary firing equipment of electricity can promote the sulfuration process to a certain extent, but because the part far-infrared electromagnetic wave is dispersed into and is not radiated in the air on the sheet metal press belt, but the far infrared electromagnetic that is radiated in addition on the sheet metal press belt is not all in its absorbing wavelength scope, therefore the electric conversion efficiency of the auxiliary firing equipment of existing electricity is very low, has severe energy waste.
Summary of the invention
The object of the invention is at the auxiliary low problem of the firing equipment heat efficiency of existing drum vulcanizer electricity, provides that a kind of efficiency of heating surface height, energy consumption are low, made-up belt vulcanizes the auxiliary baking device of uniform electromagnetic induction.
For achieving the above object, the technical solution adopted in the present invention is: a kind of drum vulcanizer electromagnetic induction assisted heating device, mainly by solenoid, arc and infrared measurement of temperature element are formed, the arc inner surface maintains a certain distance with the sulfuration drum, distance is 20~30mm preferably, close together does not also contact, arc is fixed on the frame, arc inner surface center of arc overlaps with the center of sulfuration drum, arc inner surface circular arc for central angle between 80~100 °, this radian value is determined by the vertical range between the upper and lower sides press belt, the too little heating surface of radian value is little, radian value may produce with press belt too greatly interferes, arc length is identical with the sulfuration drum, the equally distributed deep hole of some is offered in the arc inboard, adjacent two row's deep holes are staggered along axis direction arbitrarily, namely adjacent two arrange deep holes not on the plane of same and axis normal arbitrarily, a solenoid is installed in each deep hole, the height of solenoid is identical with the deep hole degree of depth, the infrared measurement of temperature element is installed in arc inner surface center, and the temperature of press belt is monitored in real time.During sulfuration, transmission device makes the sulfuration drum by the frictional drive of press belt, the adjusted roller, following dancer rools and idler roller rotate by the cure time requirement, made-up belt enters between press belt and the sulfuration drum through the adjusted roller, steam or conduction oil heat made-up belt one side in the sulfuration drum, opposite side is heated by the electromagnetic induction assisted heating device, after feeding the alternating current of characteristic frequency in the solenoid, produce the magnetic line of force along the press belt radial loop around high frequency magnetic field, press belt rotates cutting magnetic induction line, produce inducing eddy-current on the press belt surface, the thermal effect of vortex flow makes press belt be warmed up to the sulfurizing temperature range of made-up belt rapidly, with heat conducting form to the made-up belt baking.
A kind of drum vulcanizer electromagnetic induction of the present invention assisted heating device, the inductance of all solenoids is identical.
A kind of drum vulcanizer electromagnetic induction of the present invention assisted heating device, solenoid is outer can insulating material, and insulating material is selected the good Teflon resin of dielectricity for use.
A kind of drum vulcanizer electromagnetic induction of the present invention assisted heating device, arc can be made by epoxide resin material.
The invention has the beneficial effects as follows:
1. adopt the electromagnetism mode of heating, heat produces and does not introduce external heat source it is heated in that press belt is inner, so the temperature-rise period of press belt do not have energy consumption substantially, has saved the energy greatly;
2. the thermal effect of vortex flow heats up rapidly press belt, can effectively improve the efficiency of heating surface, shortens curing cycle;
3. adjacent two rows' solenoid is staggered arbitrarily, the magnetic field superposition that solenoid on the different rows produces, avoided each point on the press belt axis direction to cause the difference of magnetic flux to solenoid distance between center line difference, make press belt along heating up evenly on the axis direction, guaranteed the uniformity of made-up belt sulfuration;
4. the present invention is a kind of mode of heating of contactless, inner Self-heating, can reduce press belt surface oxidation phenomenon, improves utilization rate of equipment and installations;
5. winding inductance quantity and press belt temperature have good linear relationship, can accurately adjust the press belt temperature by the coil turn of control place in circuit, effectively control vulcanized quality.
Description of drawings
Fig. 1 is the structural representation of a kind of drum vulcanizer electromagnetic induction of the present invention assisted heating device.
Fig. 2 is equipped with the structural representation of solenoid for the arc of a kind of drum vulcanizer electromagnetic induction of the present invention assisted heating device.
Among the figure, 1-adjusted roller; Dancer rools under the 2-; The 3-press belt; The 4-arc; 5-tensioning rod; The 6-solenoid; 7-infrared measurement of temperature element; The 8-deep hole; 9-vulcanizes drum.
Embodiment
Referring to Fig. 1~Fig. 2, a kind of drum vulcanizer electromagnetic induction of the present invention assisted heating device mainly is made up of solenoid 6, arc 4 and infrared measurement of temperature element 7.Arc 4 inner surfaces keep 20~30mm distance with sulfuration drum 9, arc 4 is fixed on the frame, arc 4 inner surface center of arc overlap with the center of sulfuration drum 9, arc 4 inner surface circular arcs for central angle between 80~100 °, this radian value is determined by the vertical range between the upper and lower sides press belt 3.The equally distributed deep hole 8 of some is offered in arc 4 inboards, adjacent two row's deep holes 8 are staggered arbitrarily, a solenoid 6 is installed in each deep hole 8, the height of solenoid 6 is identical with deep hole 8 degree of depth, infrared measurement of temperature element 7 is installed in arc 4 inner surface centers, and the temperature of press belt 3 is monitored in real time.During sulfuration, transmission device makes sulfuration drum 9, adjusted roller 1, following dancer rools 2 and idler roller 5 rotate by the cure time requirement by the frictional drive of press belt 3, made-up belt 10 enters between press belt 3 and the sulfuration drum 9 through adjusted roller 1, steam or conduction oil are to the heating of made-up belt 10 1 sides in the sulfuration drum 9, and opposite side is heated by the electromagnetic induction assisted heating device.After feeding the alternating current of characteristic frequency in the solenoid 6, produce the magnetic line of force along press belt 3 radial loop around high frequency magnetic field, press belt 3 rotates cutting magnetic induction line, produce inducing eddy-current on press belt 3 surfaces, the thermal effect of vortex flow makes press belt 3 be warmed up to the sulfurizing temperature range of made-up belt 10 rapidly, with heat conducting form to made-up belt 10 bakings.Adopt the electromagnetic induction heating mode, heat produces and does not introduce external heat source it is heated in that press belt 3 is inner, so the temperature-rise period of press belt 3 do not have energy consumption substantially, has saved the energy greatly; The thermal effect of vortex flow heats up rapidly press belt 3, can effectively improve the efficiency of heating surface, shortens curing cycle; Adjacent two rows' solenoid 6 is staggered arbitrarily, the magnetic field superposition that solenoid 6 on the different rows produces, avoided each point on press belt 3 axis directions to cause the difference of magnetic flux to solenoid 6 distance between center line differences, make press belt 3 along heating up evenly on the axis direction, guaranteed the uniformity of made-up belt 10 sulfurations.

Claims (4)

1. drum vulcanizer electromagnetic induction assisted heating device, it is characterized in that: mainly formed by solenoid, arc and infrared measurement of temperature element, the arc inner surface keeps certain distance with the sulfuration drum, arc is fixed on the frame, arc inner surface center of arc overlaps with the center of sulfuration drum, arc length is identical with the sulfuration drum, the equally distributed deep hole of some is offered in the arc inboard, a solenoid is installed in each deep hole, the height of solenoid is identical with the deep hole degree of depth, and the infrared measurement of temperature element is installed in arc inner surface center.
2. a kind of drum vulcanizer electromagnetic induction assisted heating device according to claim 1 is characterized in that: it is 20~30mm that the arc inner surface is kept at a distance with the sulfuration drum, arc inner surface circular arc for central angle between 80~100 °.
3. a kind of drum vulcanizer electromagnetic induction assisted heating device according to claim 1, it is characterized in that: arc is made by epoxide resin material.
4. a kind of drum vulcanizer electromagnetic induction assisted heating device according to claim 1 is characterized in that: the deep hole that described arc inboard is offered, adjacent two row's deep holes are staggered along axis direction arbitrarily.
CN201310250585.8A 2013-06-23 2013-06-23 Electromagnetic induction auxiliary heating device for drum-type vulcanizer Active CN103338539B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107791419A (en) * 2017-11-24 2018-03-13 江苏爱德福乳胶制品有限公司 A kind of equipment and production technology that latex bed mattress is produced using high-frequency vulcanization
CN109839246A (en) * 2017-11-29 2019-06-04 丰田合成株式会社 The Withstand test device of inflator container
CN115157501A (en) * 2022-07-29 2022-10-11 太原理工大学 Matrix type electromagnetic induction heating device for conveyer belt joint vulcanizing machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091026A (en) * 1987-11-09 1992-02-25 Toyo Tire & Rubber Co., Ltd. Method for continuously vulcanizing a self-molding hose
CN1362321A (en) * 2001-05-28 2002-08-07 株洲时代新材料科技股份有限公司 Electromagnetic heating method and heater for sulfurizing machine
CN201626078U (en) * 2010-03-18 2010-11-10 孙亚西 Rubber granule type coil one-step molding vulcanizing machine for playground
CN202068605U (en) * 2011-05-07 2011-12-07 江苏国光重型机械有限公司 Externally placed electromagnetic induction heating device of metal roller

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091026A (en) * 1987-11-09 1992-02-25 Toyo Tire & Rubber Co., Ltd. Method for continuously vulcanizing a self-molding hose
CN1362321A (en) * 2001-05-28 2002-08-07 株洲时代新材料科技股份有限公司 Electromagnetic heating method and heater for sulfurizing machine
CN201626078U (en) * 2010-03-18 2010-11-10 孙亚西 Rubber granule type coil one-step molding vulcanizing machine for playground
CN202068605U (en) * 2011-05-07 2011-12-07 江苏国光重型机械有限公司 Externally placed electromagnetic induction heating device of metal roller

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107791419A (en) * 2017-11-24 2018-03-13 江苏爱德福乳胶制品有限公司 A kind of equipment and production technology that latex bed mattress is produced using high-frequency vulcanization
CN109839246A (en) * 2017-11-29 2019-06-04 丰田合成株式会社 The Withstand test device of inflator container
CN115157501A (en) * 2022-07-29 2022-10-11 太原理工大学 Matrix type electromagnetic induction heating device for conveyer belt joint vulcanizing machine
CN115157501B (en) * 2022-07-29 2023-05-16 太原理工大学 Matrix electromagnetic induction heating device for conveyer belt joint vulcanizing machine

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