CN202671582U - Rotary retort-type heat treatment furnace - Google Patents
Rotary retort-type heat treatment furnace Download PDFInfo
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- CN202671582U CN202671582U CN 201220265012 CN201220265012U CN202671582U CN 202671582 U CN202671582 U CN 202671582U CN 201220265012 CN201220265012 CN 201220265012 CN 201220265012 U CN201220265012 U CN 201220265012U CN 202671582 U CN202671582 U CN 202671582U
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Abstract
The utility model provides a rotary retort-type heat treatment furnace. Past intermittent heat treatment furnaces have the following problems that a retort is supported into a rotary bearing which is easy to damage due to heat impact, the expansion of the retort is difficult to absorb, the retort is supported into a rotary structure with a slender roller below a furnace body, and the roller is damaged due to heat. In the structure in which one end of the retort is directly connected with a rotary motor, the problem that the work of the motor fails due to heat impact exists. The problem that the manufacturing cost of the retort is high also exists. The rotary retort-type heat treatment furnace forms a simple structure in which the roller is used for bearing the retort. The rotary mechanism of the retort is rotated with a chain and the like through the rotary motor which is fixedly arranged on the furnace body by a bearing bench. Consequently, the retort becomes a simple structure which is symmetric left and right, and is arranged in the furnace body with a heating unit. The furnace body tilts through a tilting mechanism, a treated material is fed into the retort, and is discharged from the retort.
Description
Technical field
The utility model relates to object being treated is joined in the container that is known as rice steamer (retort), the step heat treatment furnace of heat-treating while making rice steamer rotation be heated to high temperature particularly relates to the heat treated rotary retort formula heat treatment furnace of the quenching, tempering etc. of the little steel products that are suitable for steel ball, bolt, nut etc.
Background technology
In the past, the stove as the little steel products of steel ball, bolt, nut etc. are heat-treated was divided into continous way and intermittent type substantially.The heat treatment furnace of continous way has following structure: send into continuously object being treated from the end of columnar rice steamer of rotation, after by the zone that is heated to design temperature, discharge continuously object being treated from the other end, although be suitable for a large amount of productions under controlled condition, have the problem that maximizes and become expensive and be not easy the change of the condition of heat-treating because of device.On the other hand, step heat treatment furnace has following structure: make the rice steamer rotation of the shape with an end opening only and peristome undergauge, send into object being treated from peristome, after being heated to design temperature and having kept the constant time, discharge this object being treated from identical peristome, have advantages of the production that is suitable for small amount and the change of easily heat-treating condition.
For example patent documentation 1～3rd, and for various heat treated step heat treatment furnaces, common essential structure constitutes and comprises: the rice steamer with shape of an end opening and peristome undergauge; Be built-in with rice steamer and possess body of heater for the heating unit of rice steamer outside surface; With the pallet of body of heater supporting for fascinating; The tilting mechanism of body of heater; With the mechanism of rice steamer supporting for rotating; And the rotating mechanism of rice steamer.And, in the situation that carburizing treatment etc., on the basis of described structure, also possess the ingress pipe that imports the gas that is used for adjusting atmosphere etc.
Herein, the rotating heat treatment furnace of patent documentation 1 is characterised in that, constitute the heating unit and the rotary oven (rice steamer) that comprise as the main body of stove, the rotary oven that rotates with respect to heating unit is arranged in the heating unit and with rotating driving device and is connected, heating unit is supported in the top of support (pallet) and is connected (technical scheme 1) with motor apparatus, and the rotary oven supporting has been adopted bearing (technical scheme 2) for the mechanism that can rotate.And then, the rotation cylindrical body formula heat treatment furnace of patent documentation 2 forms following structure: as the unit of the outside surface of rice steamer heating is used combustion gases, body of heater is supported as fascinating by the bearing at pallet top, the tilting mechanism of body of heater forms the structure that the cylinder apparatus that is arranged at lower portion of furnace body is driven, rice steamer is almost spreaded all over the elongated roller that arranges endlong and is supported as rotating below body of heater, roller is connected with electric motor via sprocket wheel and chain, is rotated by roller and makes the rice steamer rotation.And then, the drum-type combustion gas quenching furnance of patent documentation 3 is for the step heat treatment furnace that shot is quenched, form following structure: the unit that heats as the outside surface to rice steamer uses combustion gases, body of heater is supported as fascinating by the bearing at pallet top, the tilting mechanism of body of heater is the structure that a side of furnace main body is fixed in the axle of the motor that fascinates, for rotating, the other end and the rotation motor of rice steamer directly link one end of rice steamer by the roller supporting.
And the continuous rotary rice steamer stove of patent documentation 4 uses a plurality of rice steamers simultaneously, and upper of furnace body opening and form and can load and unload rice steamer has been realized the raising of productivity thus.Therefore, form following structure: although do not possess tilting mechanism owing to need not to make body of heater to fascinate, for rotating, an end and the rotation motor of rice steamer directly link by the roller supporting at the two ends of rice steamer.
On the other hand, the rice steamer of patent documentation 5 is the heat treated rice steamers that quench etc. for the steel products to the small articles of steel ball, Screw etc., it is characterized in that, makes the vertical cross-section shape of rice steamer form polygon, forms ceramic spray coating at internal surface.That is, the cross-sectional shape of the rice steamer of shape with an end opening only and peristome undergauge is improved, promoted thus the stirring to object being treated, realized the homogenizing of heating.
Shown in the patent documentation 1～5 described above, existing step heat treatment furnace mainly forms following basic structure: with the little steel products of shot or steel ball, Screw etc. as object being treated, be suitable for quenching and the thermal treatment of carburizing treatment etc., and constitute and comprise: the rice steamer with shape of an end opening only and peristome undergauge; Be built-in with rice steamer and possess body of heater for the heating unit of rice steamer outside surface; With the pallet of body of heater supporting for fascinating; The tilting mechanism of body of heater; With the mechanism of rice steamer supporting for rotating; And the rotating mechanism of rice steamer.And then, according to different purposes and the supporting device of heating unit, rice steamer, rotating mechanism, the tilting mechanism of body of heater, shape of rice steamer etc. have been applied improvement.
Yet, in patent documentation 1, owing to adopting bearing as with the mechanism of rotary oven (rice steamer) supporting for rotating, therefore exist bearing to be easy to damage and the such problem of expansion absorption of the rice steamer that is difficult to be caused by heating because of heat affecting.And, in patent documentation 2, utilize the elongated roller that almost spreads all over endlong setting below body of heater with the structure of rice steamer supporting for rotating although adopted, but there are the following problems: oxidation loss occurs because being exposed in roller under the high temperature, also can cause thermal distortion simultaneously.And then, in patent documentation 3 and 4, owing to form an end of rice steamer and the structure that rotation motor directly links, thus therefore exist the heat affecting to motor seriously can make motor produce the problem of fault.And then, in patent documentation 5, there is the cost of manufacture of the rice steamer be used to form ceramic spray coating etc. such problem that raises.
[patent documentation 1] Chinese utility model CN2531341Y
[patent documentation 2] Japanese Patent examined patent publication 50-4322
[patent documentation 3] Chinese utility model CN201065419Y
[patent documentation 4] Japanese Patent Laid-Open 2003-194468
The clear 61-281813 of [patent documentation 5] Japanese Patent Laid-Open
The utility model content
Rotary retort formula heat treatment furnace of the present utility model is mainly corresponding with the thermal treatment of the quenching of the little steel products of shot or steel ball, Screw etc. or tempering etc., for the treatment of the problems referred to above.Therefore, its purpose is to provide rotary retort formula heat treatment furnace, and is for this rotary retort formula heat treatment furnace, that the rice steamer supporting is simple and easy for the mechanism that can rotate, can not damage because of heat affecting, and, be easy to the expansion absorption of the rice steamer that will be caused by heating, the motor of rice steamer rotation also can not broken down because of heat affecting, and then the rice steamer cost of manufacture is cheap, comprehensive, weather resistance, operability, excellent in safety, maintenance cost is low.
The rotary retort formula heat treatment furnace of the first mode of the present utility model is step rotary retort formula heat treatment furnace, possesses: the rice steamer with shape of an end opening and peristome undergauge; Body of heater, this body of heater are built-in with this rice steamer and possess the heating unit that this rice steamer outside surface is heated; The tilting mechanism of body of heater, the tilting mechanism of this body of heater supports this body of heater for fascinating, and described body of heater is fascinated; And the rotating mechanism of rice steamer, the rotating mechanism of this rice steamer supports described rice steamer for rotating, and described rice steamer rotation, described rotary retort formula heat treatment furnace are characterised in that,
Described rice steamer forms the cross section vertical with turning axle is the line symmetry with respect to vertical axis shape, and both ends undergauge, both ends and central part are drum, have tapered portion between both ends and central part,
Described body of heater possesses the body of heater axle that fascinates at the two sides of this body of heater central part, this body of heater fascinate axle by a pair of body of heater pedestal bearing supporting for fascinating,
The tilting mechanism of described body of heater possesses: worm gear, this worm gear are arranged at the described body of heater axle that fascinates, and rotate with this body of heater axle that fascinates; The gear on worm that engages with this this worm gear; The worm tooth wheel shaft sprocket wheel of this gear on worm; Fascinating of transmission carried out in the rotation of this worm tooth wheel shaft sprocket wheel use chain; This is fascinated carry out the motor drive shaft sprocket wheel that fascinates of transmission with the rotation of chain; And the motor that fascinates that makes the motor drive shaft sprocket wheel rotation of fascinating,
The rotating mechanism of described rice steamer possesses: the guide reel that can rotate with rice steamer; Load the roller of this guide reel; Support the roller supporting station of this roller; Be fixed in the rice steamer supporting station of the body of heater of this roller supporting station of supporting, also possess: the rotation motor supporting station that is fixed in described body of heater; Be fixed in the rotation motor of this rotation motor supporting station; The rotation motor axle sprocket wheel of this rotation motor; The rotation chain that this rotation motor axle sprocket wheel is carried out transmission; And the turning axle sprocket wheel, this turning axle sprocket wheel carries out transmission to this rotation with chain, and makes the rice steamer rotation.
Like this, if make rice steamer form symmetrical easy structure, then the part concentrated of thermal stresses is few, so excellent in te pins of durability, and can reduce cost of manufacture.And, if the tilting mechanism of body of heater form utilize fascinate motor and via gear on worm, worm tooth wheel shaft sprocket wheel, fascinating drives the structure of worm gear with chain, the motor drive shaft sprocket wheel that fascinates, then structure that axle directly links is compared with motor and body of heater are fascinated, the load of motor is little, thereby fault can reduce.And then, if the rotating mechanism of rice steamer forms and utilizes the rice steamer supporting station be fixed in body of heater, roller supporting station, roller, guide reel and with the easy structure of rice steamer supporting for rotating, then can be because heat affecting sustain damage, and can be with the expansion absorption of the rice steamer that caused by heating.And then, the rotating mechanism of rice steamer is not the direct structure that links of an end that makes motor and rice steamer, if form the structure that is consisted of with chain, turning axle sprocket wheel by the rotation motor supporting station that is fixed in body of heater, rotation motor, rotation motor axle sprocket wheel, rotation, then motor can not break down because of heat affecting, thereby can improve weather resistance.
Rotary retort formula heat treatment furnace according to the first mode, the rotary retort formula heat treatment furnace of the second mode of the present utility model is characterised in that, the both ends internal diameter of rice steamer is 0.2 times～0.5 times of central part internal diameter, and tapered portion is 20 degree～40 degree with respect to the angle of rice steamer turning axle.Like this, if the both ends internal diameter of rice steamer is set in the suitable scope, then easily carry out the discharge of sending into to object being treated, and can suitably guarantee treatment capacity, if 0.2 times of the not enough central part internal diameter of the both ends internal diameter of rice steamer, then object being treated to send into discharge quite time-consuming, if surpass 0.5 times, then can't guarantee treatment capacity.And, in 0.2 times situation of the not enough central part internal diameter of the both ends of rice steamer internal diameter, because the strength decreased at the both ends of the weight of supporting rice steamer integral body, therefore be not for preferably aspect weather resistance.And then, if making tapered portion is 20～40 degree with respect to the angle of rice steamer turning axle, then can send into discharge to object being treated with little turning angle, if less than 20 degree, then can reduce the treatment capacity of object being treated, if surpass 40 degree, then turning angle also must reach more than 40 degree, so the operability variation.
Rotary retort formula heat treatment furnace according to the first mode, the rotary retort formula heat treatment furnace of Third Way of the present utility model is characterised in that, the tilting mechanism of body of heater possesses sensor, and this sensor detects the situation that the turning angle of described body of heater reaches the angle of regulation.Like this, if form the structure that the turning angle that utilizes sensor to detect body of heater reaches the angle of regulation, then can improve operability and security.
Rotary retort formula heat treatment furnace according to the first mode, the rotary retort formula heat treatment furnace of cubic formula of the present utility model is characterised in that, in the rotating mechanism of rice steamer, guide reel is arranged at the end of rice steamer, be formed with and roller butt and slot part that this roller is supported, the large 10mm～50mm of width of the Width roller of slot part in the periphery of this guide reel.Like this, if form the structure of the slot part that supports at the periphery setting of guide reel and roller butt and to this roller, rice steamer excessively departs from axial rotary in the time of then can preventing from body of heater is fascinated.And, if make the large 10mm～50mm of width of the Width roller of slot part, then the thermal expansion of rice steamer can be absorbed, the stress that therefore puts on rice steamer can reduce, thereby can improve weather resistance, can reduce maintenance cost, if not enough 10mm, then the effect of absorbing thermal expansion is insufficient, if surpass 50mm, it is excessive that rice steamer departed from the amount of axial rotary when body of heater was fascinated, and therefore is not for preferably.
Rotary retort formula heat treatment furnace according to the first mode, the rotary retort formula heat treatment furnace of the 5th mode of the present utility model is characterised in that, heating unit constitutes and comprises air leading-in conduit, combustion gas ingress pipe, combustion unit, burning affirmation device, venting port, air leading-in conduit is connected with combustion unit with the combustion gas ingress pipe, combustion unit is arranged to make front end outstanding towards the body of heater internal surface, burning confirms that device is arranged near the leading section of combustion unit, flows in the space of combustion gases between body of heater internal surface and rice steamer and is discharged from venting port.Like this, forming on the basis of easy structure, confirming that device is arranged near the leading section of combustion unit if will burn, then can detect rapidly the situation of catching fire, therefore can improve security.
According to the rotary retort formula heat treatment furnace of the first mode, the rotary retort formula heat treatment furnace of the 6th mode of the present utility model is characterised in that, heating unit is arranged to make heating wire to separate constant distance from the body of heater internal surface between body of heater internal surface and rice steamer.Like this, if form the structure of heating wire being arranged to separate from the body of heater internal surface constant distance, then can with based on most of flexible Application of the heat of heating wire in the heating to rice steamer, therefore can improve thermo-efficiency.
Rotary retort formula heat treatment furnace of the present utility model, make the rotating mechanism of rice steamer form following easy structure: utilize the rice steamer supporting station be fixed in body of heater, roller supporting station, roller, guide reel and with the rice steamer supporting for rotating, thus can be because heat affecting damage, and can be with the expansion absorption of the rice steamer that causes because of heating.And, if make the rotating mechanism of rice steamer form the structure that is consisted of with chain, turning axle sprocket wheel by the rotation motor supporting station that is fixed in body of heater, rotation motor, rotation motor axle sprocket wheel, rotation, then motor can not break down because of heat affecting, thereby can improve weather resistance.And then if make rice steamer form symmetrical easy structure, then the concentrated part of thermal stresses can reduce, so excellent in te pins of durability, and can reduce cost of manufacture.
And, if the both ends internal diameter of rice steamer is 0.2 times～0.5 times of the central part internal diameter and tapered portion with respect to the angle of rice steamer turning axle is 20 degree～40 degree, then easily carry out the discharge of sending into of object being treated, and can suitably guarantee treatment capacity, thereby can improve operability.And then, if form the upper limit of the turning angle that utilizes sensor to detect body of heater and the structure of lower limit, then can improve operability and security.And then, if form at the setting of guide reel periphery and roller butt and to the structure of its slot part that supports, rice steamer departs from axial rotary in the time of then can preventing from body of heater is fascinated.And, if make the large 10mm～50mm of width of the Width roller of slot part, then the thermal expansion of rice steamer can being absorbed, the stress that therefore puts on rice steamer reduces, thereby can improve weather resistance, can reduce maintenance cost.
Description of drawings
Fig. 1 is the front view of the rotary retort formula heat treatment furnace of present embodiment.
Fig. 2 is the side-view of the rotary retort formula heat treatment furnace of present embodiment.
Label declaration is as follows:
1... base; 2... body of heater supporting station; 3... body of heater pedestal bearing; The axle 4... body of heater fascinates; 5... body of heater; 6... rice steamer; 7... send into relief outlet; 8... venting port; The motor supporting station 11... fascinate; 12... gear support platform; The motor 13... fascinate; The motor drive shaft sprocket wheel 14... fascinate; Use chain 15... fascinate; 16... worm tooth wheel shaft sprocket wheel; 17... gear on worm; 18... worm gear; 21... rotation motor supporting station; 22... rotation motor; 23... rotation motor axle sprocket wheel; 24... rotation chain; 25... turning axle sprocket wheel; 31... rice steamer supporting station; 32... roller supporting station; 33... roller; 34... guide reel; 35... Zeng Gai; 41... air leading-in conduit; 42... combustion gas ingress pipe; 43... combustion unit; 44... device is confirmed in burning; 45... thermopair; 46... air door; 47... throttle lever; 51... test section; 52... sensor.
Embodiment
With reference to Fig. 1 and Fig. 2 embodiment of the present utility model is described.
In the present embodiment, as shown in Figures 1 and 2, rotary retort formula heat treatment furnace is built-in with rice steamer 6 at body of heater 5.Body of heater 5 possesses the body of heater axle 4 that fascinates at the two sides central part, and the body of heater axle 4 that fascinates is chimeric and be supported to and can fascinate with a pair of body of heater pedestal bearing 3 that arranges at the top of being fixed in the body of heater supporting station 2 on the base 1.Body of heater pedestal bearing 3 can not be arranged at the top of body of heater supporting station 2, but is set up with other known structure.The tilting mechanism of body of heater constitutes and comprises: be arranged at the fascinate worm gear 18 of axle 4 of body of heater; The gear on worm (worm gear) 17 that engages with worm gear 18 (worm wheel); The worm tooth wheel shaft sprocket wheel 16 that is connected with gear on worm 17 one; Fascinate with chain 15; Motor drive shaft sprocket wheel 14 fascinates; And the motor 13 that fascinates that is connected with output shaft of the motor drive shaft sprocket wheel 14 that will fascinate.Gear on worm 17 supports as rotating with the gear support platform 12 that worm tooth wheel shaft sprocket wheel 16 is fixed on the base 1.The motor 13 that fascinates is arranged on the motor supporting station 11 that fascinates that base 1 is fixed.The motor drive shaft sprocket wheel 14 that fascinates that is arranged at the output shaft of the motor 13 that fascinates is fascinated with worm tooth wheel shaft sprocket wheel 16 to be linked with chain 15, if the motor 13 that fascinates thus drives, then worm gear 18 is rotated and body of heater 5 is fascinated.In the accompanying drawings, although the tilting mechanism of body of heater is arranged at a fascinate end of axle 4 of body of heater, the position that arranges can be the fascinate optional position of axle 4 of body of heater.
Rice steamer 6 forms the cross section vertical with turning axle is the line symmetry with respect to vertical axis shape (in the left-right symmetry of Fig. 1), and both ends undergauge, both ends and central part are drum, have tapered portion between both ends and central part.Rice steamer lid 35 is set in a side's of rice steamer 6 end, the other end be object being treated send into relief outlet 7, can be on demand and not shown lid is set sending into relief outlet 7.The rotating mechanism of rice steamer possesses rice steamer supporting station 31, roller supporting station 32, roller 33, the guide reel 34 that is fixed in body of heater 5, and rice steamer is supported as rotating.Roller 33 is supported as rotating by roller supporting station 32.Guide reel 34 is fixed in the both ends periphery of rice steamer 6 and is supported as rotating by roller 33.In the accompanying drawings, although utilize pair of rolls 33 to support guide reel 34, but the number of roller 33 is not limited to two, can utilize a roller 33 and auxiliary unit (for example towards the anti-locking mechanism of the movement of horizontal direction) to support, and also can utilize the roller 33 more than 3 to support.And then the rotating mechanism of rice steamer possesses rotation motor supporting station 21, rotation motor 22, rotation motor axle sprocket wheel 23, rotation chain 24, the turning axle sprocket wheel 25 that is fixed in body of heater 5.Be rotated with chain 24 at the rotation motor axle sprocket wheel 23 of the output shaft setting of the rotation motor 22 that is fixed in motor supporting station 21, with the turning axle sprocket wheel 25 that is fixed in the end periphery of rice steamer 6 and link, if rotation motor 22 drives thus, then rice steamer 6 is rotated.
And, if the both ends internal diameter that is made into rice steamer is 0.2 times of central part internal diameter～0.5 times and is 20 degree～40 degree with respect to the angle of the tapered portion of rice steamer turning axle, then the discharge of sending into of object being treated becomes easily, can suitably guarantee treatment capacity and carry out the discharge of sending into of object being treated with little turning angle.In addition, in 0.2 times situation of the not enough central part internal diameter of the both ends of rice steamer internal diameter, because the strength decreased at the both ends of the weight of supporting rice steamer integral body, even therefore also also not preferred aspect weather resistance.
And, the tilting mechanism of described body of heater possesses at body of heater the fascinate test section 51 of an end setting of axle 4 and two sensors 52 that are arranged at the body of heater supporting station, utilize test section and sensor to detect the structure whether turning angle has reached the angle of regulation if form, then operability and security are improved.Herein, sensor 52 can be limit switch of the type that contacts with test section 51 etc., can also use proximity transducer, other known position transducer of noncontact type etc.And, test section 51 can be set, but in sensor 52, detect body of heater the fascinating of axle 4 of fascinating.And then the number of sensor 52 is not limited to two, can utilize a sensor 52 to detect, and also can possess the sensor 52 more than 3.
And in the rotating mechanism of described rice steamer, guide reel 34 is arranged at the end of rice steamer 6.Periphery at guide reel 34 is formed with roller 33 butts and to its slot part that supports.If form the structure of the large 10mm～50mm of width of the Width roller 33 that makes slot part, rice steamer is crossed and is departed from greatly axial rotary in the time of then can preventing from body of heater is fascinated, and the thermal expansion of rice steamer can also be absorbed simultaneously.Therefore, can reduce to put on the stress of rice steamer and improve weather resistance, thereby can realize the reduction of maintenance cost.Herein, as long as the degree of depth of described slot part suitably is set as the degree that rice steamer when body of heater is fascinated does not depart from axial rotary.And, formed the guide reel 34 of slot part in periphery, can be arranged at the both ends of rice steamer 6, also can only be arranged at single end.In addition, rotary retort formula heat treatment furnace of the present utility model, the heating zone length of 2m～4m, body of heater 5 is about 1.5m～3m, Heating temperature is the situation below 1000 ℃, is not limited to these conditions although the total length of preferred rice steamer 6 is about.
Next, heating unit is described.Rotary retort formula heat treatment furnace of the present utility model can be used the gas heating as existing heating unit, any unit in the electrically heated.In the situation that gas heating, heating unit constitutes and comprises air leading-in conduit 41, combustion gas ingress pipe 42, combustion unit 43, burning affirmation device 44, venting port 8.Air leading-in conduit 41 is connected with gas introduction tube and is connected with combustion unit 43.Combustion unit 43 is arranged to make front end outstanding towards the internal surface of body of heater 5, and burning confirms that device 44 is arranged near the leading section of combustion unit 43.Combustion gases between body of heater 5 internal surfaces and rice steamer 6 spatial flow and be discharged from from venting port 8.Herein, air is supplied to air leading-in conduit 41 by illustrated air supply equipment never, and combustion gas is supplied to combustion gas ingress pipe 42 by illustrated fuel gas supply equipment never, and air mixes in combustion unit 43 with combustion gas and sprays combustion flame.Existing various gas burner, gas jet can be used as combustion unit 43, structure built-in at combustion unit 43 or that set up automatic firing mechanism can be used.And then, confirm that with burning device 44 is arranged near the leading section of combustion unit 43, can prevent the accident that is caused by catch fire (unburn) thus.Herein, confirm device 44 as burning, such as the ultraviolet device that can use the detection combustion flame and device for filming image etc., in the future auto-combustion confirms that the signal of device 44 sends not shown alarm unit etc. to, alarm tone can be automatically produced thus, the supply of combustion gas can also be cut off simultaneously.And, can suitably set setting position and the number of combustion unit 43, in order to can carry out homogeneous heating to the space between body of heater 5 internal surfaces and the rice steamer 6.And, be provided with the air door (damper) 46 that can utilize 47 pairs of free air deliveries of throttle lever to adjust at venting port 8, can form the structure that can finely tune Heating temperature.Venting port 8 can arrange a plurality of.
Be in the electrically heated situation at described heating unit, heating wire is arranged between body of heater internal surface and the rice steamer.If form the structure of heating wire being arranged to separate with the body of heater internal surface constant distance, the major part of the heat that then can be neatly will be produced by heating wire applies to the heating to rice steamer, therefore can improve thermo-efficiency., use existing various product as heating wire herein, for example heating wire is configured from the thrust of the outstanding isolator of body of heater internal surface via a plurality of being arranged to, can be arranged to thus separate constant distance with the body of heater internal surface.And can suitably use the nonmetal of the metal electric heating material of Ni-Cr alloy, Ni-Cr-Fe alloy, Fe-Cr-Al alloy etc. or silicon carbide etc. is that heating element is as heating wire.
In addition, no matter heating unit is which kind of mode in gas heating and the electrically heated, all can utilize not shown control device at random to control heating and cooling.For example utilize thermopair 45 to measure atmosphere temperature in the rice steamer 6, utilize other not shown thermopair to measure the temperature of object being treated, can control heating condition etc. thus.
Next, as an example, the quenching heat treatment of using the rotary retort formula heat treatment furnace that consists of is in the above described manner described.At first, drive rotation motor 22 and make rice steamer 6 rotations, in the situation that gas heating is lighted a fire to combustion unit 43, be heated to the quenching temperature (800 ℃～900 ℃) of setting according to object being treated.Then, in the constant time of maintenance and so that after the temperature-stable, object being treated is sent to rice steamer 6, therefore driving is fascinated motor 13 and body of heater 5 is fascinated, rise so that send into relief outlet 7, if reach the turning angle of setting, then 52 pairs of test sections 51 of sensor detect and make to fascinate and stop.And then, with constant basis with object being treated never illustrated hopper be sent to send into relief outlet 7 after, body of heater is fascinated so that send into relief outlet 7 and descend, thereby returns to original position (body of heater 5 is in the position of level).Then, utilize not shown thermopair to measure the temperature of object being treated, and after the quenching temperature of setting has been kept the constant time, driving is fascinated motor 13 and body of heater 5 is fascinated, descend so that send into relief outlet 7, if reach the turning angle of setting, then 52 pairs of test sections 51 of sensor detect and make to fascinate and stop.Object being treated is discharged to not shown refrigerating unit from sending into relief outlet 7, implements thus quenching heat treatment.
In above-mentioned series of processes, although the length on the axial rotary of rice steamer 6 increases gradually because of thermal expansion, but owing to will set for than with the width large 10mm～50mm of rice steamer 6 supportings for the roller 33 that can rotate with the width of the slot part of the guide reel 34 of roller 33 butts, therefore rice steamer 6 can not be restricted, and can move at axial rotary.Therefore, can confirm: even use continuously, rice steamer 6 can not produce distortion or be full of cracks, excellent in te pins of durability yet.And then because rice steamer 6 is made into, the both ends internal diameter of rice steamer 6 is 0.2 times～0.5 times of central part internal diameter, is 20 degree～40 degree with respect to the angle of the tapered portion of rice steamer turning axle, therefore can easily carry out object being treated sending into, discharging with respect to rice steamer 6.In the situation that turning angle is set as 40 degree, (the both ends internal diameter of rice steamer is 0.15 times of central part internal diameter, is 45 degree with respect to the angle of the tapered portion of rice steamer turning axle) compared with in the past, object being treated send into efflux time for its 1/3.
Claims (6)
1. rotary retort formula heat treatment furnace, this rotary retort formula heat treatment furnace is step rotary retort formula heat treatment furnace, possesses: the rice steamer with shape of an end opening and peristome undergauge; Body of heater, this body of heater are built-in with this rice steamer and possess the heating unit that this rice steamer outside surface is heated; The tilting mechanism of body of heater, the tilting mechanism of this body of heater supports this body of heater for fascinating, and described body of heater is fascinated; And the rotating mechanism of rice steamer, the rotating mechanism of this rice steamer supports described rice steamer for rotating, and makes described rice steamer rotation,
Described rotary retort formula heat treatment furnace is characterised in that,
Described rice steamer forms the cross section vertical with turning axle is the line symmetry with respect to vertical axis shape, and both ends undergauge, both ends and central part are drum, have tapered portion between both ends and central part,
Described body of heater possesses the body of heater axle that fascinates at the two sides of this body of heater central part, this body of heater fascinate axle by a pair of body of heater pedestal bearing supporting for fascinating,
The tilting mechanism of described body of heater possesses: worm gear, this worm gear are arranged at the described body of heater axle that fascinates, and rotate with this body of heater axle that fascinates; The gear on worm that engages with this this worm gear; The worm tooth wheel shaft sprocket wheel of this gear on worm; Fascinating of transmission carried out in the rotation of this worm tooth wheel shaft sprocket wheel use chain; This is fascinated carry out the motor drive shaft sprocket wheel that fascinates of transmission with the rotation of chain; And the motor that fascinates that makes the motor drive shaft sprocket wheel rotation of fascinating,
The rotating mechanism of described rice steamer possesses: the guide reel that can rotate with rice steamer; Load the roller of this guide reel; Support the roller supporting station of this roller; Be fixed in the rice steamer supporting station of the body of heater of this roller supporting station of supporting, also possess: the rotation motor supporting station that is fixed in described body of heater; Be fixed in the rotation motor of this rotation motor supporting station; The rotation motor axle sprocket wheel of this rotation motor; The rotation chain that this rotation motor axle sprocket wheel is carried out transmission; And the turning axle sprocket wheel, this turning axle sprocket wheel carries out transmission to this rotation with chain, and makes the rice steamer rotation.
2. rotary retort formula heat treatment furnace according to claim 1 is characterized in that,
The both ends internal diameter of described rice steamer is 0.2 times～0.5 times of central part internal diameter, and tapered portion is 20 degree～40 degree with respect to the angle of rice steamer turning axle.
3. rotary retort formula heat treatment furnace according to claim 1 is characterized in that,
The tilting mechanism of described body of heater possesses sensor, and this sensor detects the situation that the turning angle of described body of heater reaches the angle of regulation.
4. rotary retort formula heat treatment furnace according to claim 1 is characterized in that,
In the rotating mechanism of described rice steamer, guide reel is arranged at the end of rice steamer, is formed with and roller butt and slot part that this roller is supported, the large 10mm～50mm of width of the Width roller of slot part in the periphery of this guide reel.
5. rotary retort formula heat treatment furnace according to claim 1 is characterized in that,
Described heating unit constitutes and comprises air leading-in conduit, combustion gas ingress pipe, combustion unit, burning affirmation device, venting port, air leading-in conduit is connected with combustion unit with the combustion gas ingress pipe, combustion unit is arranged to make front end outstanding towards the body of heater internal surface, burning confirms that device is arranged near the leading section of combustion unit, flows in the space of combustion gases between body of heater internal surface and rice steamer and is discharged from venting port.
6. rotary retort formula heat treatment furnace according to claim 1 is characterized in that,
Described heating unit is arranged to make heating wire to separate constant distance from the body of heater internal surface between body of heater internal surface and rice steamer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-058261 | 2012-03-15 | ||
| JP2012058261A JP5945919B2 (en) | 2012-03-15 | 2012-03-15 | Rotary retort heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202671582U true CN202671582U (en) | 2013-01-16 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210184260XA Pending CN103305676A (en) | 2012-03-15 | 2012-06-06 | Rotary retort-type heat treatment furnace |
| CN 201220265012 Expired - Lifetime CN202671582U (en) | 2012-03-15 | 2012-06-06 | Rotary retort-type heat treatment furnace |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210184260XA Pending CN103305676A (en) | 2012-03-15 | 2012-06-06 | Rotary retort-type heat treatment furnace |
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| JP (1) | JP5945919B2 (en) |
| CN (2) | CN103305676A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305676A (en) * | 2012-03-15 | 2013-09-18 | 新东工业株式会社 | Rotary retort-type heat treatment furnace |
| CN104482757A (en) * | 2014-12-02 | 2015-04-01 | 中国航天科工集团第三研究院第八三五八研究所 | Tilting high-temperature rotary tube furnace for continuous heat treatment |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789515B (en) * | 2013-12-20 | 2016-04-06 | 宁波盛事达磁业有限公司 | A kind of permanent magnet alloy high-efficiency and continuous isothermal magnetic heat treatment furnace |
| CN104928442A (en) * | 2015-07-20 | 2015-09-23 | 柳州市建西机械铸造厂 | Material frame for heat treatment furnace |
| CN106011430A (en) * | 2016-07-25 | 2016-10-12 | 无锡市曙光高强度紧固件有限公司 | Heat treatment equipment of fastening piece |
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| US1878307A (en) * | 1930-01-09 | 1932-09-20 | Electro Alloys Company | Retort |
| US3441259A (en) * | 1967-09-01 | 1969-04-29 | Pacific Scientific Co | Heat treating furnace |
| US3550925A (en) * | 1968-08-30 | 1970-12-29 | College Research Corp | Apparatus for separating metals |
| US3606285A (en) * | 1969-10-20 | 1971-09-20 | Holcroft & Co | Barrel-type batch gas carburizing furnace |
| JPS5378906A (en) * | 1976-12-23 | 1978-07-12 | Kawasaki Steel Co | Batch type rotary kiln |
| JP2000356477A (en) * | 1999-06-16 | 2000-12-26 | Nippon Steel Corp | Detecting device of tilt angle of furnace body of melting furnace |
| JP3960771B2 (en) * | 2001-10-24 | 2007-08-15 | 光洋サーモシステム株式会社 | Rotary retort furnace |
| JP2003214770A (en) * | 2002-01-18 | 2003-07-30 | Shigeru Yoshida | Both end narrowed dry distillation kiln |
| CN2531341Y (en) * | 2002-03-27 | 2003-01-15 | 东莞茶山首屋尔金属五金制品厂 | Rotary heat treatment furnace |
| CN1421667A (en) * | 2002-12-18 | 2003-06-04 | 董永安 | Rotary hydrogen crushing furnace |
| JP4629380B2 (en) * | 2004-07-28 | 2011-02-09 | 愛知電機株式会社 | Heater energization control method for high temperature heating mixing device |
| JP2010012409A (en) * | 2008-07-03 | 2010-01-21 | Hiroshima Gas Techno Kk | Heat treatment device/method |
| JP5487917B2 (en) * | 2009-11-30 | 2014-05-14 | 株式会社Ｉｈｉ | Multi-fuel burner device |
| JP5945919B2 (en) * | 2012-03-15 | 2016-07-05 | 新東工業株式会社 | Rotary retort heat treatment furnace |
-
2012
- 2012-03-15 JP JP2012058261A patent/JP5945919B2/en active Active
- 2012-06-06 CN CN201210184260XA patent/CN103305676A/en active Pending
- 2012-06-06 CN CN 201220265012 patent/CN202671582U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305676A (en) * | 2012-03-15 | 2013-09-18 | 新东工业株式会社 | Rotary retort-type heat treatment furnace |
| CN104482757A (en) * | 2014-12-02 | 2015-04-01 | 中国航天科工集团第三研究院第八三五八研究所 | Tilting high-temperature rotary tube furnace for continuous heat treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5945919B2 (en) | 2016-07-05 |
| CN103305676A (en) | 2013-09-18 |
| JP2013190179A (en) | 2013-09-26 |
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