CN102234712B - Thin wire inductive heating heat treatment system - Google Patents
Thin wire inductive heating heat treatment system Download PDFInfo
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- CN102234712B CN102234712B CN2010101653948A CN201010165394A CN102234712B CN 102234712 B CN102234712 B CN 102234712B CN 2010101653948 A CN2010101653948 A CN 2010101653948A CN 201010165394 A CN201010165394 A CN 201010165394A CN 102234712 B CN102234712 B CN 102234712B
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Abstract
The invention discloses a thin wire inductive heating heat treatment system, which comprises wire unwinding equipment, a constant tension control device, an inductive heating device, a water tank and wire winding equipment which are connected in turn, wherein the inductive heating device is connected with an inductive heating power supply and a temperature measuring probe respectively. In wire heat treatment, the system has high heating efficiency and low energy consumption, and the leakage magnetic flux of an inductor is greatly reduced. Test data proves that: the conventional power consumption is 1,000 to 1,200 kilowatthours for each ton of wires, and the power consumption is only 280 to 320 kilowatthours for each ton of wires by the equipment; moreover, the heating speed is high, and can reach 100 meters/minute, and the system is suitable for wires with the diameter of phi2.5-phi6.
Description
Technical field
The invention belongs to thin wire heat hot process field, specifically relate to a kind of thin wire induction heating treatment system.
Background technology
The used process furnace of present domestic wire rod thermal treatment or take the fifties imitative Soviet Union " old three sample stoves " one by one retort furnace, pit furnace, box-type furnace, car type furnace as main, these process furnace are to burn coal or resistive heating as heater means, exist that air-proof condition is poor, heat storage capacity is large, heat-up rate waits shortcoming slowly, cause the body of heater heat loss larger, cause a large amount of energy wastages.Traditional resistor furnace treatment reason mode is adopted in the experimental test digital proof, and current consumption is 1000-1200 degree electricity/ton material.Adopt coal-firedly as heater means, pollute greatlyr, and the Heating temperature curve controlled is bad, affects the heat treated quality of wire rod.
Modern induction heating technique (equipment) is in metal heat treatmet, and the aspects such as diathermanous moulding and melting have a wide range of applications.But can not reach desirable heats in thin wire (￠ is below 6) induction heating application facet, reason is to adopt ruhmkorff coil with single induction mode heating wire rod, and such as figure below, it is Φ that wire rod is through sectional area
mRuhmkorff coil in, in coil, pass into electric current and since Faraday effect in coil section produced magnetic flux perpendicular to coil direction, flow direction is consistent with wire direction, and current i is caught up with in wire rod internal pair production under the effect of magnetic flux, and wire rod is heated under galvanic action.
Equipment output rating in the induction heating process:
And the power that is applied on the wire rod is
Because the electric current that passes through in the manufacture craft of ruhmkorff coil and the coil is very large, for the wire rod of wire diameter less than 6mm, the diameter of coil is more much bigger than the diameter of thin wire, so the magnetic flux Φ of coil generation
mLarger more than 3 times than wire rod sectional area D, so that be applied to power on the wire rod less than 1/3 of equipment output rating, adopt traditionally single ruhmkorff coil heating wire rod mode efficient very low, the wire rod rate of heating is slow, heating is less than ideal temperature, equipment does not reach rated output (the equipment output rating is transferred not out), heating efficiency low (current consumption is large).Lot of domestic and foreign specialized factory and R﹠D institution just are being devoted to the research of this technical elements at present, put into effect but be showed no so far ideal scheme.
Summary of the invention
The purpose of this invention is to provide the thin wire induction heating treatment system that a kind of heating efficiency is high, energy consumption is low.
For achieving the above object, the present invention is by the following technical solutions:
The present invention includes the pay-off equipment, constant tension control device, induction heating device, tank and the spooling equipment that are connected successively; Described induction heating device also is connected with temperature probe with induction heating power respectively.
Described constant tension control device comprises end of incoming cables spring bearer plate, tension force front-wheel, tension force main wheel, tension force trailing wheel and the leading-out terminal spring bearer plate that is connected successively; Be provided with the tension force chain at described tension force main wheel, be provided with frictionshoe at the tension force chain, frictionshoe contacts with the tension force main wheel; One end of described tension force chain connects damping spring.
Described end of incoming cables spring bearer plate and leading-out terminal spring bearer plate include top board and press table, are being equipped with wool felt below the top board with above the press table; Described top board and press table are epoxy plate; Pressure regulating device is set above described top board.
Frictionshoe on the described tension force chain is the molybdenum dioxide module; And the other end of tension force chain is connected and fixed plate, and retaining plate is provided with setting nut.
Described induction heating device is made of matching transformer, and the original grade coil of described matching transformer connects induction heating power, and the secondary coil I of matching transformer is wrapped on guide deflection sheave and the metal wheel successively.
Described matching transformer also comprises secondary coil II, and described secondary coil II connects ruhmkorff coil; Secondary coil I between guide deflection sheave and metal wheel is applied in the ruhmkorff coil.
Unwrapping wire end at induction heating device arranges unwrapping wire guide deflection sheave and unwrapping wire metal wheel, take-up end at induction heating device arranges take-up guide deflection sheave and take-up metal wheel, between unwrapping wire metal wheel and take-up metal wheel inductor block is set, inductor block connects induction heating power by tank circuit; Described inductor block is comprised of silica tube and the coil that is wrapped on the silica tube.
Be equipped with graphite carbon brush in described unwrapping wire metal wheel and take-up metal wheel, graphite carbon brush is connected with inductor block.
Described metal wheel, unwrapping wire metal wheel and take-up metal wheel are water cooling metal wheel, and it comprises the water flowing axle, have prosopyle and posticum at the two ends of water flowing axle; The wire casing wheel is set at the axle body place of water flowing axle, and the two ends of wire casing wheel are joint flange respectively, and flange is the bearing of water flowing axle fixedly, forms the water flowing chamber between described water flowing axle, wire casing wheel and the flange, and the water flowing chamber communicates with prosopyle and posticum; And the two ends in described water flowing chamber arrange mechanical seal, and mechanical seal is fixed on the flange by the axle bumper ring.
Described induction heating power comprises rectifying circuit, chopper circuit, filtering circuit and the inverter circuit that is connected successively; And described chopper circuit also is connected with inverter circuit by control protection electric circuit.
Adopt the present invention of technique scheme, have the following advantages:
(1), produces the coefficient resultant field induction heating device in two kinds of magnetic fields of vertical and horizontal at wire internal.It produces high frequency induced current by high-frequency current heating and inductor block at wire internal, then utilize this high frequency induced current to heat, thereby so that homogeneous heating during high-frequency current heating thin wire, and can improve Heating temperature, thereby improve heating efficiency.
(2), the constant tension control device among the present invention can effectively avoid wire rod in the shake on guide deflection sheave and metal wheel in the high-speed motion situation, beat and become flexible, make wire rod smooth running on guide deflection sheave and metal wheel not take off groove, keep the wire rod inner tensions that is in operation basically to keep invariable uniformity, under hot operation, be not easy to be broken by winding system.
(3), the water cooling metal wheel among the present invention is simple in structure, general processing conditions can be finished, cost is lower.Adopt ball bearing to connect and to guarantee running up of wire rod.So adopt bearing and mechanical connection noise in operating and mechanical vibration all very little owing to connect.In running up along with wire rod, cooling performance is good, can not damaged by the roasting heat of wire rod.
(4), the real time temperature supervisory system can make the temperature uniformity after the wire rod heating, guaranteed the heat treated quality of wire rod, and can reach wire rod and under setting speed, require Heating temperature.
The present invention's heating efficiency in wire rod thermal treatment is high, and energy consumption is low, and the leakage magnetic flux of inductor block significantly reduces.Experimental test digital proof, former current consumption are 1000-1200 degree electricity/ton material, adopt this complete equipment, and current consumption only is 280-320 degree electricity/ton material, and rate of heating is fast, can reach 100 m/mins, are very suitable for the wire rod heating of ￠ 2.5-￠ 6 diameters.
Description of drawings
Fig. 1 is one-piece construction synoptic diagram of the present invention;
Fig. 2 is the structural representation of constant tension control device among the present invention;
Fig. 3 is the structural representation of tension force main wheel in the constant tension control device;
Fig. 4 is the structural representation of tension force chain in the constant tension control device;
Fig. 5 is the structural representation of constant tension control device Elastic pressing plate;
Fig. 6 is the structural representation of induction heating device in the embodiment of the invention 1;
Fig. 7 is the structural representation of induction heating device in the embodiment of the invention 2;
Fig. 8 is the structural representation of induction heating device in the embodiment of the invention 3;
Fig. 9 is the structural representation of water cooling metal wheel among the present invention;
Figure 10 is the functional block diagram of induction heating power among the present invention;
Figure 11 is the schematic circuit of induction heating power among the present invention.
Embodiment
As shown in Figure 1, the present invention includes pay-off equipment 2, constant tension control device 3, induction heating device 5, tank 6 and the spooling equipment 7 that is connected successively.In addition, above-mentioned induction heating power also is connected with temperature probe 4 with induction heating device 5 respectively.Wherein, induction heating power is the high frequency electric source of 30KHZ-300KHZ with the three phase worker power inversion by adopting the IGBT inversion transformation technique.Pay-off equipment 2 and spooling equipment 7 are responsible for take-up and the unwrapping wire of wire rod.Induction heating device 5 is heated to suitable temperature with wire rod.Constant tension control device 3 guarantees that the inner tensions of wire rod is invariable when wire rod heating motion, prevent that wire rod from being broken, and can prevent from beating at guide deflection sheave in the wire rod high-speed motion.Tank 6 the insides hold heat-eliminating medium, are used for the wire rod after cooling is heated, and finish the thermal treatment process of thin wire, and heat-eliminating medium can adopt water or other liquid.Temperature probe 4 Real-time Collection temperature signals, it is connected with temperature monitoring system, and the temperature after the temperature monitoring system on-line monitoring wire rod heating is in time regulated the wire rod heating power when changing appears in temperature, guarantee that the temperature after the wire rod heating is controlled at ± 15 ℃.Need to prove, above-mentioned induction heating device 5 and induction heating power all are arranged in the thermal treatment rack, and the other temperature probe that is equipped with of thermal treatment rack, wire rod are out laggard from the thermal treatment rack to enter tank, then through two guide deflection sheaves, become disk by the take-up dish.
Specifically, as shown in Figure 2, constant tension control device 3 comprises end of incoming cables spring bearer plate 8, tension force front-wheel 9, tension force main wheel 10, tension force trailing wheel 11 and the leading-out terminal spring bearer plate 12 that is connected successively.Thin wire enters end of incoming cables spring bearer plate 8 from the right side, behind tension force front-wheel 9 booster actions, enter tension force main wheel 10, thin wire is subject to one group of adjustable friction resistance that tension force main wheel 10 applies, and via left side tension force trailing wheel 11, enters at last leading-out terminal spring bearer plate 12 again.
As shown in Figure 3, be provided with tension force chain 13 at tension force main wheel 10, be provided with frictionshoe 14 at tension force chain 13, frictionshoe 14 contacts with tension force main wheel 10; Above-mentioned frictionshoe 14 is take the molybdenum dioxide module as preferred forms.One end of mentioned strain chain 13 connects damping spring 15 by web plate 18, and the other end of tension force chain 13 is connected and fixed plate 16, and retaining plate 16 is provided with setting nut 27.Wherein, the molybdenum dioxide module is fixed on the tension force chain 13 and applies adjustable pressure by 15 pairs of tension force main wheels 10 of damping spring, make and produce continuously adjustable friction resistance between tension force main wheel 10 and the molybdenum dioxide module, to the stable permanent tension force of thin wire generation of operation.And can obtain needed permanent tension force by the elasticity of the setting nut 27 adjustment of tonicity chains 13 on tension force chain 13 and the retaining plate 16, so that thin wire 1 is not at the high-speed motion medium velocity evenly, shake, guaranteed the rotation system reliability service, the continuous uniform that is conducive to the wire rod heating unanimously reaches ideal effect.
As shown in Figure 4, tension force chain 13 is comprised of threaded rod 19, frictionshoe 14, chain link 17 and web plate 18.Threaded rod 19 has the secured adjusted effect, can be by reversing the elasticity of the setting nut 27 adjustment of tonicity chains 13 on the threaded rod 19, and the friction resistance of adjustment of tonicity chain 13 and tension force main wheel 10 reaches the permanent tension force that needs.Frictionshoe 14 adopts the molybdenum dioxide module, that the only material selected by the experiment of selection repeatedly is produced, guaranteed the rotation system reliability service, the continuous uniform consistence that is conducive to wire rod operation heating, under hot operation, be not easy to be broken by winding system, make wire rod thermal treatment reach desirable best effect.
As shown in Figure 5, end of incoming cables spring bearer plate 8 and leading-out terminal spring bearer plate 12 are same structure.They include top board 20 and press table 21, and top board 20 and press table 21 are epoxy plate, and press table 21 is fixed on the supporting plate 23.Be equipped with wool felt 22 below the top board 20 with above the press table 21, like this, so that thin wire 1 is at high-speed motion medium velocity uniformity more, it is more reliable to have guaranteed that thin wire moves in native system, add in thermal treatment and to pine for more continuous uniform, reach more preferably effect.
In addition, can also above top board 11, pressure regulating device be set.Above-mentioned pressure regulating device comprises bolt 24 and wing nut 25, at bolt 24 compression spring 26 is set, and compression spring 26 is positioned at the below of wing nut 25.By regulating dish shape nut 25, can regulate the pressure between the press table, make wool felt 22 compress thin wire 1 and form stable permanent tension force, so that thin wire 1 is at high-speed motion medium velocity uniformity more, it is more reliable to have guaranteed that thin wire moves in system, add in thermal treatment and to pine for more continuous uniform, reach desirable best effect.
In the present embodiment, induction heating device 5 is made of matching transformer, and as shown in Figure 6, the original grade coil of above-mentioned matching transformer connects high frequency electric source, and this high frequency electric source is induction heating power.Induction heating power in the present embodiment is inverter.The secondary coil I 28 of matching transformer is wrapped on guide deflection sheave 29 and the metal wheel 30 successively.In the present embodiment, secondary coil I 28 is thin wire 1, and when coiling, thin wire passes first metal wheel 30, and then passes matching transformer inside, walks around guide deflection sheave 29 again, lays out from metal wheel 30 at last.
The principle of work of induction heating device 5 is in the present embodiment: simple high-frequency current produces flow direction perpendicular to simple high-frequency alternating magnetic field, i.e. transverse magnetic flux in magnetic core of transformer inside.Under the high-frequency alternating magnetic field effect, produce the direction exchange current parallel with the wire rod coiling direction in the thin wire, utilize this exchange current to heat.In the present embodiment, the heating of wire rod is the transverse magnetic flux heating wire rod by the simple generation of transformer, and the magnetic flux utilization only has a direction, and the utilization ratio of transverse magnetic flux is very high, and heating efficiency is good.
Present embodiment as different from Example 1, in the present embodiment, induction heating device 5 has also increased the longitudinal magnetic flux heating, namely present embodiment carries out the wire rod heating under the common compound effect of longitudinal magnetic flux and transverse magnetic flux.
Specifically, as shown in Figure 7, matching transformer also comprises secondary coil II 31, and secondary coil II 31 connects ruhmkorff coil 32, and the secondary coil I 28 between guide deflection sheave 29 and metal wheel 30 is applied in the ruhmkorff coil 32.
The principle of work of induction heating device 5 is in the present embodiment: the simple high frequency electric source that connects of matching transformer, this high frequency electric source also are inverter.The secondary coil II31 of matching transformer is connected with ruhmkorff coil 32, and thin wire at first passes metal wheel 30, passes matching transformer inside again, then walks around from guide deflection sheave 29 to turn to, and by ruhmkorff coil 32, lays out from metal wheel 30 again.When simple when the high-frequency ac current at transformer, because electromagnetic induction produces the flow direction magnetic field parallel with the wire rod traffic direction around thin wire, i.e. longitudinal magnetic flux, the wire internal generation eddy current in ruhmkorff coil 32 heats wire rod.On the other hand, perpendicular to simple high-frequency alternating magnetic field, namely under the high-frequency alternating magnetic field effect, cross in the wire rod and produce the direction exchange current parallel with the wire rod coiling direction by transverse magnetic flux at the inner flow direction that produces of magnetic core of transformer for simple high-frequency current.Like this, under the compound effect of longitudinal magnetic flux and transverse magnetic flux, the wire rod rate of heating is fast, and electric utilising efficiency is high.
The other technologies feature is identical with embodiment 1.
What present embodiment and embodiment 1, embodiment 2 were different is, as described in Figure 8, in the present embodiment, at the unwrapping wire end of induction heating device 5 unwrapping wire guide deflection sheave 33 and metal wheel 34 is set, and connects payingoff mechanisms 37 by unwrapping wire guide deflection sheave 33.Take-up end at induction heating device arranges take-up guide deflection sheave 35 and metal wheel 36, connects take-up mechanism 38 by take-up guide deflection sheave 35.When implementing, thin wire 1 to be heated coils into disk and is placed on the payingoff mechanism 37, emits successively from payingoff mechanism 37 in the wire rod heat-processed.The wire rod dish that take-up mechanism 38 will heat when wire rod heats becomes disk, for follow-up.Need to prove, unwrapping wire guide deflection sheave 33 and take-up guide deflection sheave 35 can be when wire rod moves closely be pressed in wire rod on separately the metal wheel, wire rod is contacted well with metal wheel, avoid between wire rod and the metal wheel causing wire rod to show scar owing to contacting the bad electric discharge phenomena that produce.
Between unwrapping wire metal wheel 34 and take-up metal wheel 36 inductor block 40 is set, inductor block 40 is connected induction heating power by matching transformer with resonant capacitance.Wherein, resonant capacitance and matching transformer form tank circuit, and inductor block 40 is connected on the matching transformer output terminal.
Be to realize the high-level efficiency heating, among the present invention, inductor block 40 is comprised of silica tube 41 and the coil 42 that is wrapped on the silica tube 41.Be equipped with graphite carbon brush 43 in unwrapping wire metal wheel 34 and take-up metal wheel 36, graphite carbon brush 43 is connected with inductor block 40 by wire 44.When thin wire heats, wire rod will be through being through after the unwrapping wire metal wheel 34 in the silica tube 41 in the inductor block 40, high-frequency current produces high frequency magnetic field by inductor block 40 around wire rod, wire internal produces induced current under the effect of high frequency magnetic field, induced current heating wire rod.In addition, owing to unwrapping wire metal wheel 34, take-up metal wheel 36 directly contact with wire rod, the high-frequency current that flows out from transformer terminal can pass through wire 44, graphite carbon brush 43, unwrapping wire metal wheel 34 and take-up metal wheel 36 directly by wire rod, reaches heating wire rod purpose.Because wire rod movement continuously in heat-processed, unwrapping wire metal wheel 34 and take-up metal wheel 36 are driven by wire rod and rotate, for being connected with metal wheel, wire 44 reliably connects on electric, use graphite carbon brush 43 tightly to be pressed on two metal wheel, when two metal wheel were rotated, the electric current in the wire can pass on the metal wheel and form uninterrupted current in wire rod by graphite carbon brush 43.In invention, use silica tube 41 can avoid wire rod to bump at the volley inductor block by mistake and cause between inductor block turn-to-turn short circuit or wire rod and inductor block and discharge.
In addition, in the working line of thin wire 1, a plurality of orienting sleeves 39 can also be set.This orienting sleeve 39 can guarantee thin wire 1 smooth running.Wherein, the orienting sleeve between payingoff mechanism 37 and unwrapping wire guide deflection sheave 33 can reliably enter in the groove of unwrapping wire guide deflection sheave 33 wire rod, avoids wire rod to come off from unwrapping wire guide deflection sheave 33; Orienting sleeve between unwrapping wire metal wheel 34 and inductor block 40 is to avoid at the volley pendulum or come off and with silica tube 41 collision clefts or break up from unwrapping wire metal wheel 34 by mistake of wire rod; Orienting sleeve between take-up guide deflection sheave 35 and take-up mechanism 38 has avoided wire rod to come off from take-up mechanism.
For cooperating the induction heating device 5 in the present embodiment, the induction heating power in the present embodiment is the high frequency electric source of 30KHZ-300KHZ with the three phase worker power inversion by adopting the IGBT inversion transformation technique.Specifically, as shown in figure 10, it comprises rectifying circuit, chopper circuit, filtering circuit and the inverter circuit that is connected successively.Above-mentioned chopper circuit also is connected with inverter circuit by control protection electric circuit.
The principle of work of induction heating power is in the present embodiment:
As shown in figure 11, rectified three-phase circuit D1-D6 is rectified into direct current with power frequency supply, chopper circuit and filtering circuit are modulated into suitable voltage according to the requirement of load and output rating with direct current and flow to inverter circuit, and inverter circuit is produced high-frequency current and supplied with induction heating device.Above-mentioned inverter circuit is comprised of four thyristor G1-G4.This power acquisition is powered with three-phase main-frequency, and perfect control protection electric circuit is arranged.Control protection electric circuit comprises power phase shortage protection, overvoltage of power supply, low-voltage protection; the power supply overcurrent protection, water coolant lack of water and under-voltage protection, and the uncomfortable protection of reverse frequency etc.; the equipment output rating is regulated and is adopted the Power Regulation of prime chopper, persevering power, two kinds of master modes of constant current.The equipment output rating can be different with kind according to the rate of heating of thin wire with the inversion mid-frequency in addition, select flexibly.The equipment output rating can be selected in 40KW-120KW, and the inversion mid-frequency can be selected in 30KHZ-300KHZ.In addition, induction heating power also is connected with sample circuit, and this sample circuit comprises output voltage sampling and outward current sampling, and each sample circuit all is connected with supervisory system.Like this, just can automatically control Heating temperature.
The other technologies feature is identical with embodiment 1.
What present embodiment was different from above-described embodiment is that present embodiment has increased water cooling metal wheel on the basis of above-described embodiment.Because in the process of implementing, the impact that each metal wheel all can be heated is so will cool off each metal wheel.Above-mentioned metal wheel 30, metal wheel 34 and metal wheel 36 are water cooling metal wheel.Water cooling metal wheel comprises water flowing axle 45, have prosopyle 46, posticum 47, water inlet endoporus 56, water outlet endoporus 57 at the two ends of water flowing axle 45, prosopyle 46 links to each other with water inlet endoporus 56, and posticum 47 links to each other with water outlet endoporus 57, does not connect in the middle of the water flowing axle 45.Mechanical seal 51 and axle bumper ring 52 are installed in water flowing axle 45 both sides, and the outer surface mount sheave 48 of water flowing axle 45, mechanical seal 51 and axle bumper ring 52 has wire casing 58 on the wire casing wheel 48, and wire rod 28 is placed in the wire casing 58 by water cooling metal wheel the time.The outside joint flange 49 of wire casing wheel 48 and mechanical seal 51 is provided with O RunddichtringO 53 between flange 49 and wire casing wheel 48.Be connected by bolt 59 between wire casing wheel 48 and the flange 49, flange 49 is the bearing 54 outside the water flowing axle fixedly, is connected with jump ring 55 by axle between bearing 54 and the water flowing axle 45.And above-mentioned bearing 54 is take high temperature resistant bearing as preferred forms.
Form water flowing chamber 50 between above-mentioned water flowing axle 45, wire casing wheel 48 and the flange 49, water flowing chamber 50 communicates with water inlet endoporus 56 and water outlet endoporus 57.
The principle of work of water cooling metal wheel is: as shown in Figure 9.Water 46 enters from the prosopyle, then enters into water flowing chamber 50 by water inlet endoporus 56.Water carries out heat exchange with wire casing wheel 48 in water flowing chamber 50, thereby realizes cooling wire casing wheel 48.After the cooling, hot water flows out from posticum 47 through water outlet endoporus 57.
Because the existence of mechanical seal 51 just can guarantee the mutual rotation between wire casing wheel 48 and the water flowing axle 45, and guarantees that the water coolant of 50 the insides, water flowing chamber can not overflow, water coolant water flowing chamber 50 in and wire casing take turns after the 48 abundant heat exchange from the water hole.Flowed out by the posticum 47 of water flowing axle 45 with the water of heat this moment and enter cooling system, recycle.
Need to prove, after thin wire enters the wire casing wheel, by the pulling force of winding system and clamping system generation, make the V-type groove in wire rod and the wire casing wheel 48 produce larger frictional force, rotate thereby drive wire casing wheel 48, the bolt that adopts between wire casing wheel 48 and the flange 49 connects, and belongs to static connection.And the employing bearing 54 that wire casing wheel 48, flange 49 are connected with the water flowing axle is connected connection with mechanical seal, belongs to be dynamically connected.Be exactly to only have wire casing wheel 48 and flange 49 to rotate like this, and water flowing axle 45 is because the support of being connected with system adopt the firm connection of nut just can not rotate with the wire casing wheel.
Claims (7)
1. thin wire induction heating treatment system, it is characterized in that: it comprises pay-off equipment (2), constant tension control device (3), induction heating device (5), tank (6) and the spooling equipment (7) that is connected successively; Described induction heating device (5) also is connected with temperature probe (4) with induction heating power respectively; Described constant tension control device (3) comprises end of incoming cables spring bearer plate (8), tension force front-wheel (9), tension force main wheel (10), tension force trailing wheel (11) and the leading-out terminal spring bearer plate (12) that is connected successively; Be provided with tension force chain (13) at described tension force main wheel (10), be provided with frictionshoe (14) at tension force chain (13), frictionshoe (14) contacts with tension force main wheel (10); One end of described tension force chain (13) connects damping spring (15); Described induction heating device (5) is made of matching transformer, the original grade coil of described matching transformer connects induction heating power, and the secondary coil I (28) of matching transformer is wrapped on guide deflection sheave (29) and the metal wheel (30) successively; Unwrapping wire end at induction heating device (5) arranges unwrapping wire guide deflection sheave (33) and unwrapping wire metal wheel (34), take-up end at induction heating device (5) arranges take-up guide deflection sheave (35) and take-up metal wheel (36), between unwrapping wire metal wheel (34) and take-up metal wheel (36) inductor block (40) is set, inductor block (40) connects induction heating power by tank circuit; Described inductor block (40) is comprised of silica tube (41) and the coil (42) that is wrapped on the silica tube (41).
2. thin wire induction heating treatment system according to claim 1, it is characterized in that: described end of incoming cables spring bearer plate (8) and leading-out terminal spring bearer plate (12) include top board (20) and press table (21), are equipped with wool felt (22) in the below of top board (20) and the top of press table (21); Described top board (20) and press table (21) are epoxy plate; Top at described top board (20) arranges pressure regulating device.
3. thin wire induction heating treatment system according to claim 1 is characterized in that: the frictionshoe (14) on the described tension force chain (13) is the molybdenum dioxide module; And the other end of tension force chain (13) is connected and fixed plate (16), and retaining plate (16) is provided with setting nut (27).
4. thin wire induction heating treatment system according to claim 1, it is characterized in that: described matching transformer also comprises secondary coil II (31), described secondary coil II (31) connects ruhmkorff coil (32); The secondary coil I (28) that is arranged between guide deflection sheave (29) and the metal wheel (30) is applied in ruhmkorff coil (32).
5. thin wire induction heating treatment system according to claim 1, it is characterized in that: be equipped with graphite carbon brush (43) in described unwrapping wire metal wheel (34) and take-up metal wheel (36), graphite carbon brush (43) is connected with inductor block (40).
6. thin wire induction heating treatment system according to claim 1 or 5, it is characterized in that: described metal wheel (30), unwrapping wire metal wheel (34) and take-up metal wheel (36) are water cooling metal wheel, it comprises water flowing axle (45), has prosopyle (46) and posticum (47) at the two ends of water flowing axle (45); Wire casing wheel (48) is set at the axle body place of water flowing axle (45), the two ends of wire casing wheel (48) are joint flange (49) respectively, flange (49) is the bearing of water flowing axle (54) fixedly, form water flowing chamber (50) between described water flowing axle (45), wire casing wheel (48) and the flange (49), water flowing chamber (50) communicate with prosopyle (46) and posticum (47); And at the two ends in described water flowing chamber (50) mechanical seal (51) is set, mechanical seal (51) is fixed on the flange (49) by axle bumper ring (52).
7. thin wire induction heating treatment system according to claim 1, it is characterized in that: described induction heating power comprises rectifying circuit, chopper circuit, filtering circuit and the inverter circuit that is connected successively; And described chopper circuit also is connected with inverter circuit by control protection electric circuit.
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| CN2010101653948A CN102234712B (en) | 2010-05-07 | 2010-05-07 | Thin wire inductive heating heat treatment system |
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| CN2010101653948A CN102234712B (en) | 2010-05-07 | 2010-05-07 | Thin wire inductive heating heat treatment system |
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| CN102605164A (en) * | 2012-03-08 | 2012-07-25 | 中山市亚泰机械实业有限公司 | Wire heating device |
| CN102747204B (en) * | 2012-07-13 | 2013-11-27 | 洛阳用功高频感应加热设备有限公司 | Inducing heating device for thin steel strip coil and heat treatment process thereof |
| CN102989834B (en) * | 2012-12-03 | 2016-01-20 | 无锡常欣科技股份有限公司 | Horizontal admission machine creel stand |
| CN103710520B (en) * | 2013-11-28 | 2016-07-06 | 上海中屹电器设备有限公司 | A kind of aluminium alloy cable continuous high frequency heating anneal device |
| CN106636604A (en) * | 2017-01-09 | 2017-05-10 | 山西榆次远大线材制品有限公司 | Thermal treatment device for producing pulp baling wire |
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| CN102234712A (en) | 2011-11-09 |
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