CN102234712A - Thin wire inductive heating heat treatment system - Google Patents
Thin wire inductive heating heat treatment system Download PDFInfo
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- CN102234712A CN102234712A CN2010101653948A CN201010165394A CN102234712A CN 102234712 A CN102234712 A CN 102234712A CN 2010101653948 A CN2010101653948 A CN 2010101653948A CN 201010165394 A CN201010165394 A CN 201010165394A CN 102234712 A CN102234712 A CN 102234712A
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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 is still based on " old three sample stoves " retort furnace, pit furnace, box-type furnace, car type furnace one by one of the imitative Soviet Union fifties, these process furnace are to burn coal or resistive heating as heater means, exist that air-proof condition is poor, heat storage capacity is big, heat-up rate waits shortcoming slowly, it is bigger to cause the body of heater heat to scatter and disappear, and causes the lot of energy waste.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 greatlyyer, and the Heating temperature curve controlled is bad, influences the heat treated quality of wire rod.
Modern induction heating technique (equipment) is in metal heat treatmet, and 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 as figure below, it is Φ that wire rod is through sectional area
mRuhmkorff coil in, in coil, feed electric current and since Faraday effect in coil portion 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 affacts on the wire rod is
Because the electric current that passes through in the manufacture craft of ruhmkorff coil and the coil is very big, for the wire rod of line footpath 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
mBigger more than 3 times than wire rod sectional area D, make and to affact power on the wire rod less than 1/3 of equipment output rating, adopt single ruhmkorff coil heating wire rod mode efficient very low traditionally, the wire rod rate of heating is slow, heating is less than ideal temperature, equipment does not reach rated output (the equipment output rating transfers not come out), heating efficiency low (current consumption is big).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 there is no ideal scheme so far.
Summary of the invention
The purpose of this invention is to provide a kind of heating efficiency height, thin wire induction heating treatment system that energy consumption is low.
For achieving the above object, the present invention is by the following technical solutions:
The present invention includes the unwrapping wire equipment, constant tension control device, induction heating device, tank and the take-up 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 on described tension force main wheel, be provided with frictionshoe on 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 is provided with unwrapping wire guide deflection sheave and unwrapping wire metal wheel, take-up end at induction heating device is provided with 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 made up of silica tube and the coil that is wrapped on the silica tube.
Be equipped with the graphite carbon brush in described unwrapping wire metal wheel and take-up metal wheel, the graphite carbon brush is connected with inductor block.
Described metal wheel, unwrapping wire metal wheel and take-up metal wheel are the 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 are provided with 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, utilize this high frequency induced current to heat then, thereby homogeneous heating when making high-frequency current heating thin wire, and can improve Heating temperature, thus improved 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 under 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 to keep invariable uniformity basically, under hot operation, be not easy to be broken by the take-up 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 the employing bearing is connected noise in operating with mechanical seal and mechanical vibration are 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 wire rod heated temperatures uniformity, guaranteed the heat treated quality of wire rod, and can reach wire rod and under setting speed, require Heating temperature.
The present invention is the heating efficiency height in wire rod thermal treatment, and energy consumption is low, and the leakage magnetic flux of inductor block reduces significantly.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 meters/minute, are very suitable for the wire rod heating of ￠ 2.5-￠ 6 diameters.
Description of drawings
Fig. 1 is an 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 spring bearer plate in the constant tension control device;
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 unwrapping wire equipment 2, constant tension control device 3, induction heating device 5, tank 6 and the take-up 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.Unwrapping wire equipment 2 and take-up equipment 7 are responsible for the 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 to beat on guide deflection sheave in the wire rod high-speed motion.Tank 6 the insides hold heat-eliminating medium, are used to cool off the wire rod after the heating, finish the thermal treatment process of thin wire, and heat-eliminating medium can adopt water or other liquid.Temperature probe 4 real-time collecting temperature signals, it is connected with temperature monitoring system, temperature monitoring system on-line monitoring wire rod heated temperatures is in time regulated the wire rod heating power when temperature occur to change, guarantee the wire rod heated temperatures be controlled at ± 15 ℃.Need to prove, above-mentioned induction heating device 5 and induction heating power all are arranged in the thermal treatment rack, the other temperature probe that is equipped with of thermal treatment rack, the wire rod laggard tank of going into that comes out from the thermal treatment rack, through two guide deflection sheaves, become disk then 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 subjected to one group of adjustable friction resistance that tension force main wheel 10 applies, and via left side tension force trailing wheel 11, enters leading-out terminal spring bearer plate 12 at last again.
As shown in Figure 3, be provided with tension force chain 13 on tension force main wheel 10, be provided with frictionshoe 14 on tension force chain 13, frictionshoe 14 contacts with tension force main wheel 10; Above-mentioned frictionshoe 14 is a preferred forms with the molybdenum dioxide module.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, make thin wire 1 evenly, do not shake at the high-speed motion medium velocity, guaranteed the rotation system reliability service, the continuous uniformity that helps the wire rod heating reaches ideal effect.
As shown in Figure 4, tension force chain 13 is made up 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, be that the only material selected by the experiment of selection repeatedly is produced, guaranteed the rotation system reliability service, the continuous uniformity consistency that helps wire rod operation heating, under hot operation, be not easy to be broken, make wire rod thermal treatment reach desirable best effect by the take-up system.
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, make thin wire 1 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 continuously evenly, reach better 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, and compression spring 26 is set on bolt 24, 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, make thin wire 1 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 continuously evenly, 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 an 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 metal wheel 30 earlier, 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 in the thin wire with the wire rod coiling direction, 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 has only 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, promptly present embodiment carries out wire rod heating under longitudinal magnetic flux and the common compound effect of 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, walks around from guide deflection sheave 29 then 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, promptly 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 longitudinal magnetic flux and the effect of transverse magnetic flux compound, the wire rod rate of heating is fast, electric utilising efficiency height.
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 is provided with 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 use.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 are formed 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 made up of silica tube 41 and the coil 42 that is wrapped on the silica tube 41.Be equipped with graphite carbon brush 43 on unwrapping wire metal wheel 34 and take-up metal wheel 36, graphite carbon brush 43 is connected with inductor block 40 by lead 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,, can pass through lead 44, graphite carbon brush 43, unwrapping wire metal wheel 34 and take-up metal wheel 36 directly by wire rod, reach heating wire rod purpose from the effusive high-frequency current of transformer terminal owing to unwrapping wire metal wheel 34, take-up metal wheel 36 directly contact with wire rod.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 lead 44 reliably is connected on electric with metal wheel, use graphite carbon brush 43 tightly to be pressed on two metal wheel, when two metal wheel were rotated, the electric current in the lead 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 inductor block at the volley 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 wire rod pendulum or come off and with silica tube 41 collision clefts or break up from unwrapping wire metal wheel 34 by mistake at the volley; 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 made up of four thyristor G1-G4.This power supply adopts the three-phase main-frequency power supply, and the perfect control holding circuit is arranged.Control protection electric circuit comprises power supply open-phase 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 for use 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 control Heating temperature automatically.
The other technologies feature is identical with embodiment 1.
What present embodiment was different with the foregoing description is that present embodiment has increased the water cooling metal wheel on the basis of the foregoing description.Because in the process of implementing, the influence 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 the water cooling metal wheel.The 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 the water cooling metal wheel 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, between bearing 54 and the water flowing axle 45 by spool being connected with jump ring 55.And above-mentioned bearing 54 is a preferred forms with high temperature resistant bearing.
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, enters into water flowing chamber 50 by water inlet endoporus 56 then.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.The water that have heat this moment is flowed out by the posticum 47 of water flowing axle 45 and enters cooling system, recycle.
Need to prove, after thin wire enters the wire casing wheel, by the pulling force of take-up system and clamping system generation, make the V-type groove in wire rod and the wire casing wheel 48 produce bigger 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 of wire casing wheel 48, flange 49 and water flowing axle 45 is connected with mechanical seal 51, belongs to be dynamically connected.Be exactly to have only wire casing wheel 48 and flange 49 to rotate like this, and water flowing axle 45 is not owing to can rotate with firm just connection of support employing nut in the system with the wire casing wheel.
Claims (10)
1. thin wire induction heating treatment system, it is characterized in that: it comprises unwrapping wire equipment (2), constant tension control device (3), induction heating device (5), tank (6) and the take-up equipment (7) that is connected successively; Described induction heating device (5) also is connected with temperature probe (4) with induction heating power respectively.
2. thin wire constant tension control device according to claim 1 is characterized in that: 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) on described tension force main wheel (10), be provided with frictionshoe (14) on 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).
3. thin wire constant tension control device according to claim 2, 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) is provided with pressure regulating device.
4. thin wire constant tension control device according to claim 2 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).
5. thin wire induction heating treatment system according to claim 1, it is characterized in that: 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.
6. thin wire induction heating treatment system according to claim 5 is characterized in that: described matching transformer also comprises secondary coil II (31), and 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).
7. thin wire induction heating treatment system according to claim 1, it is characterized in that: the unwrapping wire end at induction heating device (5) is provided with unwrapping wire guide deflection sheave (33) and unwrapping wire metal wheel (34), take-up end at induction heating device (5) is provided with 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 made up of silica tube (41) and the coil (42) that is wrapped on the silica tube (41).
8. thin wire induction heating treatment system according to claim 7 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).
9. according to the arbitrary described thin wire induction heating treatment system of claim 5～8, it is characterized in that: described metal wheel (30), unwrapping wire metal wheel (34) and take-up metal wheel (36) are the 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).
10. thin wire induction heating treatment system according to claim 1 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605164A (en) * | 2012-03-08 | 2012-07-25 | 中山市亚泰机械实业有限公司 | Wire heating device |
| CN102747204A (en) * | 2012-07-13 | 2012-10-24 | 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 |
| CN102989834A (en) * | 2012-12-03 | 2013-03-27 | 无锡常欣科技股份有限公司 | Horizontal wire arrangement rack for rewinding machine |
| CN103710520A (en) * | 2013-11-28 | 2014-04-09 | 上海中屹电器设备有限公司 | Aluminum alloy cable continuous high-frequency heating annealing 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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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605164A (en) * | 2012-03-08 | 2012-07-25 | 中山市亚泰机械实业有限公司 | Wire heating device |
| CN102747204A (en) * | 2012-07-13 | 2012-10-24 | 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 |
| 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 |
| CN102989834A (en) * | 2012-12-03 | 2013-03-27 | 无锡常欣科技股份有限公司 | Horizontal wire arrangement rack for rewinding machine |
| 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 |
| CN103710520A (en) * | 2013-11-28 | 2014-04-09 | 上海中屹电器设备有限公司 | Aluminum alloy cable continuous high-frequency heating annealing device |
| 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 |
| WO2018126603A1 (en) * | 2017-01-09 | 2018-07-12 | 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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