CN102029302A - Long copper and aluminum ingot hot shearing heating furnace - Google Patents
Long copper and aluminum ingot hot shearing heating furnace Download PDFInfo
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- CN102029302A CN102029302A CN200910179269XA CN200910179269A CN102029302A CN 102029302 A CN102029302 A CN 102029302A CN 200910179269X A CN200910179269X A CN 200910179269XA CN 200910179269 A CN200910179269 A CN 200910179269A CN 102029302 A CN102029302 A CN 102029302A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 133
- 238000010008 shearing Methods 0.000 title claims abstract description 39
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 23
- 239000010949 copper Substances 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 claims description 88
- 239000004411 aluminium Substances 0.000 claims description 23
- 238000002789 length control Methods 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 13
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 5
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- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 235000012438 extruded product Nutrition 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
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Abstract
The invention belongs to the technical field of non-ferrous metal extruding equipment, in particular to a blank long and round ingot fuel heating furnace used in copper and aluminum extruding industry. The blank long and round ingot fuel heating furnace comprises a furnace body which is the rack of the heating furnace, the rack is provided with a bar feeding device, a combustion device, a circulating device, a bar transfer device, a bar discharging device and a constant-length shearing mechanism, wherein the combustion device comprises a combustor, a combustion chamber, a mixer and a heating room, the circulating device comprises a draft fan, an air induction channel, a heating room, a hot air channel, a mixer and , a circulating air return channel, and the constant-length shearing mechanism comprises a shearing rack, a movable cutter base, a fixed cutter base and a shearing oil cylinder. Compared with the traditional technologies, the blank long and round ingot fuel heating furnace can directly heat long and round ingots which are not sheared and performs hot shearing by using a fly cutter of the shearing mechanism installed on the heating furnace after the long and round ingots are heated to heating reaches reach the standard so as to obtain required short ingots. The blank long and round ingot fuel heating furnace has the remarkable advantages of accurate length, fixed size adjustability, no saw dust, fast temperature rise, even temperature, high automation degree and the like and meets requirement on environmental protection.
Description
Technical field
The invention belongs to non-ferrous metal extrusion equipment technical field, the oval ingot casting fuel type of the blank heating furnace that particularly a kind of copper aluminium extrusion industry is used.
Background technology
Non-ferrous metal, especially copper, aluminium section bar, the method for extruding is all adopted in its production and processing.Blank before the extruding---circle ingot casting all need heat.The plasticity of ingot casting heating can raising metal reduces extruding force greatly; The height of heating-up temperature, uniformity etc. are gone back directly-heated and are connect and influence the inherent and surperficial quality of extruded product; Simultaneously, the expense of heating process is occupied suitable proportion in production cost.External non-ferrous metal circle casting ingot heating stove adopts electrical heating more, domestic heating fuel has then been gone through electricity, diesel oil and coal at twenties years short back warps, the replacing of fuel mainly is in order to reduce manufacturing cost, but has also sacrificed part heating quality and product quality simultaneously to some extent.
In the production of non-ferrous metal section bar, in order to guarantee to produce at any time the goods of arbitrary regular size, the row of enterprise product personnel need be according to customer requirement, according to product weight, utilize isopyknic principle, calculate the required round ingot casting length of extruded product, will cast the short ingot casting that the good round ingot casting sawing of growing to 6～12 meters becomes 300～600 millimeters all lengths then, place semifinished product warehouse standby.If because of factor affecting productions such as extrusion die, quality of items, then need and will heat in the heating furnace, pull out with the short ingot casting of goods length coupling in the production, the short ingot casting that adds extrusion die and respective length again heats production afterwards; The interim section bar of being badly in need of certain specification, and when not having the stock to match the short ingot casting of length with it, that just have to be deeply aware of one's own helplessness when faced with a great task; Long ingot casting is processed into short ingot casting, is a loaded down with trivial details management work from sawing, marking, the warehouse-in that weighs, and consumes a large amount of human and material resources, place etc.; During melting, burn out rate is up to more than 20% once more for the sawdust that long ingot casting sawing forms when becoming short ingot casting; Enterprise will have full-time row's product personnel heavily to calculate ingot casting length according to dynamically propping up of customer order and thousands of cover extrusion dies every day ... more than be operated in the copper-aluminium extruding production and occupied great amount of manpower and material resources, it is the key factor of decision yield rate, producing cost height, is perplexing numerous managers for many years always.
In order to address the above problem, we imagine ingot casting when heating, 6～12 meters round ingot castings just can directly enter in the heating furnace without sawing and heat, basis is to the needs of ingot casting length during production, now cut existing usefulness, thereby improve the yield rate of product greatly, reduce manufacturing expense, reduce working strength of workers, allow production teams and groups and row's product personnel from the loaded down with trivial details work of record, calculating ingot casting length, mould Zhi Chong, free.This will be the revolution of non-ferrous metal extruding industry, and according to preliminary reckoning, therefore every production line will reduce by 200,000 yuan of producing costs, if promote in the whole nation, only can reduce cost 600,000,000 yuan every year in aluminium section bar extruding industry.Current, the manufacturing enterprise of external extrusion technique developed country, as American Eagles all, Essen, Germany company adopted long ingot casting list to prop up the method for heating in medium frequency and hot shearing; The indivedual extrusion equipment of China's Coastal Areas manufacturer is also at the heat hot shearing process method and apparatus of developing overseas enterprise, and have a small amount of heating in medium frequency hot shears casting ingot heating stove to use, but promote because of heating cost height, low being difficult to of production efficiency in indivedual large-scale copper-aluminium enterprise.
Summary of the invention
The objective of the invention is to design the blank circle ingot casting fuel type heating furnace that a kind of copper aluminium extrusion industry is used, it is different from existing short circle casting ingot heating stove fully, but the oval ingot casting of sawing does not directly heat, heat to utilize after qualified and carry the hot shears of cutting mechanism fly cutter on the heating furnace, thereby obtain required short ingot casting, its length is accurate, scale is adjustable, do not produce sawdust, and the heating furnace quick heating, temperature is even, automaticity is high, compliance with environmental protection requirements.
The technical solution used in the present invention is the blank circle ingot casting fuel type heating furnace that a kind of copper aluminium extrusion industry of design is used, and it has body of heater, and body of heater is this equipment rack; Frame is provided with into bar device, burner, EGR, moves bar device, goes out bar device and cut-to-length mechanism.Burner comprises burner, combustion chamber, blender and heating clamber; Heating clamber is at the middle part of this equipment, and the top of heating clamber is wind channel.One side of heating clamber inside is a bar device into, and opposite side is bar device, lays drop-bottom in the middle of the stream oriented device.Be provided with hot-flow flue between drop-bottom and the furnace bottom, offer the transverse slot on the drop-bottom, hot gas can enter heating clamber through drop-bottom in the combustion chamber.
EGR is made up of air-introduced machine, wind channel, heating clamber, hot-flow flue, blender, circulated air air-return duct, and air-introduced machine is installed in the centre position on heating furnace furnace roof top, and the air inlet of air-introduced machine links to each other with wind channel.The air outlet of air-introduced machine links to each other with the circulated air air-return duct.Wind channel is positioned at the top of heating clamber, is the air inducing dividing plate of heating ingot casting top and the passage that furnace roof forms.Offer the transverse slot on the air inducing dividing plate equally.
Cut-to-length mechanism is positioned on the same axis of excellent mechanism into, is linked together with body of heater, is advancing between bar device, the length control device.It is by shearing frame, moving knife seat, quiet tool rest and shearing oil cylinder and form.
Description of drawings:
Fig. 1 represents general assembly structural representation of the present invention;
Fig. 2 represents the vertical view of total assembling structure of the present invention;
Fig. 3 represents mixer structure schematic diagram of the present invention;
Fig. 4 represents that bar feeding mechanism side direction of the present invention adds the structural representation of mode;
Fig. 5 represents that bar feeding mechanism of the present invention vertically adds the three-view diagram of the structural representation of mode;
Fig. 6 represents the structural representation that poking device is installed on excellent mechanism top that moves of the present invention;
Fig. 7 represents cut-to-length mechanism structure schematic diagram of the present invention;
The specific embodiment:
As shown in Figure 1 and Figure 2, enforcement of the present invention is: the overall structure of the long casting ingot heating stove of hot shearing copper aluminium by: body of heater 1, heater 2, EGR 3, advance bar device 4, move bar device 5, go out bar device 6 and cut-to-length mechanism 7 forms.
Body of heater 1 is the frame structure that is welded by shaped steel such as channel-section steel, angle bar, is this equipment rack, and other each several parts all are fixed on the body of heater.The gap is left on body of heater bottom and ground, makes things convenient for the motion of driving chain, and top is the support frame of heating arrangements 2, cycling mechanism 3 etc.
Combustion chamber 2.3 is places of fuel combustion, and it respectively has one in the heating furnace rear and front end, is arranged in the bottom (side also can) of heating clamber 2.4, its inner chamber be communicated with combustion chamber 2.3 internal causes burning and the heat that produces is delivered in the heating clamber 2.4 with heating clamber 2.4.Combustion chamber 2.3 is built into by refractory materials such as refractory brick, and when decide by the heating-up time by material-to-be-heated thermal capacitance for volume size.
As shown in Figure 3, blender 2.2 of the present invention is installed in the combustion chamber 2.3, and it is formed by inside and outside two-layer suit, and its inner chamber 2.2.1 links to each other with burner 2.1, is the place (claiming a time wind) of fuel, oxygen mix burning; Jacket layer 2.2.2 links to each other with circulated air air-return duct 3.4, is the passage that circulating air (claiming secondary wind) enters heating clamber 2.4 once more.Blender 2.2 separates primary and secondary air earlier, treats to mix with secondary wind after a wind burning finishes again, and can effectively avoid secondary wind to mix with a wind prematurely like this, thereby influence the combustion efficiency of a wind.Primary and secondary air is mixed in the outlet of blender 2.2 and combustion chamber 2.3.
As shown in Figure 1 and Figure 2, heating clamber 2.4 is at the middle part of this equipment, and it is the heated place of the long ingot casting of copper aluminium, again as one section passage in the circulatory system.The length of heating clamber 2.4 is 6.2～12.2 meters, and width is can hold 8～10 long ingot castings and be advisable (diameter of long ingot casting is decided according to the section bar cross-sectional sizes that will produce, extruder tonnage etc.).Heating clamber 2.4 is below wind channel 3.2, and above the hot-flow flue 3.3, a side of its inside is a bar device 4 into, and opposite side is bar device 6, lays drop-bottom 3.3.1 in the middle of the stream oriented device.Drop-bottom 3.3.1 and furnace bottom 3.3.2 form at a distance of about 150 millimeters high passages, and the hot gas that is combustion chamber 2.3 internal combustion generation claims hot-flow flue 3.3 through the passage that drop-bottom 3.3.1 enters heating clamber 2.4.It on the drop-bottom 3.3.1 the long ingot casting of copper aluminium that is admitted to the desire heating.On offer the transverse slot, make heat and secondary cycle wind be introduced into hot-flow flue 3.3 from combustion chamber 2.3, enter in the heating clamber 2.4 by the transverse slot on the drop-bottom 3.3.1 again.The quantity of transverse slot, position reasonably are distributed on the drop-bottom 3.3.1 according to experiment, make the hot gas that enters heating clamber 2.4 can be even throughout, to reach the uniform purposes of temperature in the heating clamber 2.4.
EGR 3 constitutes closed circuit by air-introduced machine 3.1, circulated air air-return duct 3.4, blender 2.2, combustion chamber 2.3, hot-flow flue 3.3, heating clamber 2.4 and wind channel 3.2, the effect of EGR 3 is in order to allow in the stove heat everywhere circulate, high-temperature gas in the combustion chamber 2.3 is taken out of, temperature is even everywhere to make in the heating clamber 2.4 each, another effect is that the still very high hot gas of temperature after the heat exchange of transference circle ingot casting can enter heating clamber 2.4 once more, recycling, reach purpose of energy saving.
Air-introduced machine 3.1 is installed in the centre position on heating furnace furnace roof 3.2.2 top, and the air inlet of air-introduced machine 3.1 links to each other (as shown in Figure 1) with wind channel 3.2, and air outlet links to each other (as shown in Figure 2) with circulated air air-return duct 3.4.
Wind channel 3.2 is positioned at the top of heating clamber 2.4, is the air inducing dividing plate 3.2.1 of heating ingot casting top and the passage that furnace roof 3.2.2 forms.Have the transverse slot equally on the air inducing dividing plate 3.2.1, decide according to each temperature in the heating clamber 2.4 its quantity, position, and generally middle, transverse slot, two is suitably opened many, and purpose is in order to make heating clamber 2.4 interior temperature further even, to avoid the temperature dead angle.Wind channel 3.2 and hot-flow flue 3.3 mating reactions are regulated the position and the flow that enter, flow out the hot gas in the heating clamber 2.4, play making that temperature act on uniformly in the heating clamber 2.4, from but the ingot casting thermally equivalent.
Air-introduced machine 3.1 is power set of pulling heated air circulation, it passes through wind channel 3.2 tail gas (secondary wind) extraction in the heating clamber 2.4 and after the round ingot casting heat exchanges, (circulated air backwind tube 3.4 is according to the locus flexible arrangement of body of heater to be pressed into circulated air backwind tube 3.4, its end links to each other with air-introduced machine 3.1 air outlets, the other end links to each other with blender 2.3), enter the jacket layer of blender 2.2, mix in combustion chamber 2.3 with a wind, enter 2.4 pairs of long ingot castings of heating clamber again and heat, so circulation endlessly.
Advancing bar device 4 is the mechanisms that the long ingot casting of copper aluminium sent into heating clamber 2.4.Have two kinds to send into mode: first kind be with long ingot casting from the heating furnace side laterally by set level transfer into 2.4, the second kinds of heating clambers be with long ingot casting from the back of heating furnace vertically by propping up a mode of sending into heating clamber 2.4.
As shown in Figure 4, the present invention laterally transfers into long ingot casting by set level from the side of heating furnace, be provided with a platform 4.1 contour with drop-bottom 3.3.1 in heating furnace one side system, a long and narrow fire door is offered in heating clamber 2.4 sides, and fire door 4.2 is connected on the body of heater by hydraulic cylinder; Describedly advance excellent mechanism 4, drop-bottom 3.3.1, go out downward-sloping successively about 10～15 ° of excellent mechanism 6.
Side direction adds the formation of mechanism: offer a long and narrow fire door on heating clamber 2.4 positions of heating furnace one side, fire door 4.2 is connected on the body of heater 1 by two hydraulic cylinders or chain-wheel mechanism, and the keying of fire door 4.2 is undertaken by hydraulic cylinder or chain-wheel mechanism.Be close to this side and be one isometric with long and narrow fire door 4.2, and the height platform 4.1 contour with drop-bottom 3.3.1.Long ingot casting is hung on platform 4.1, open the long door 4.2 in heating furnace side,, long ingot casting is rolled on drop-bottom 3.3.1 by a horizontal sliding circle ingot casting.
As shown in Figure 5, of the present invention advance excellent mechanism 6 be from the back of heating furnace vertically by a mode that adds long ingot casting, press close to furnace wall one side in the back of heating furnace and offer and add hand-hole 4.4, the sprocket wheel on driving-chain wore and adds hand-hole 4.4 and be fixed on support connects.
The formation that vertically adds mechanism: press close to furnace wall one side in the back of heating furnace and offer one, be called and add hand-hole 4.4 than the big slightly circular hole of long ingot casting diameter.Pass that to add hand-hole 4.4 are heat-resistance stainless steel driving-chains, driving-chain top more equal than drop-bottom 3.3.1.The active and passive sprocket wheel that links with driving-chain is fixed on the support of heating furnace front and back, and the body of heater 1 of support and heating furnace welds together.
The heating furnace back is provided with a frame-type platform 4.3, and platform 4.3 1 sides are roller-ways of being made up of one group short carrying roller 4.5.Long ingot casting adds fashionable, and will long ingot casting slinging with loop wheel machine earlier lies on the platform 4.3, moves to then on the roller-way group 4.5 of platform 4.3 1 sides.Artificial or driven by motor carrying roller group is rotated, and starts the motor that send excellent driving chain 4.6 simultaneously, and long ingot casting vertically moves forward on carrying roller group 4.5, enters to add hand-hole 4.4; Move on the chain bar 4.6, driving-chain 4.6 drives long ingot casting and is fed forward, and enters heating clamber 2.4.
Move bar device 5: be that the long ingot casting that will enter behind the heating clamber 2.4 goes out bar device 6 places by advancing bar device 4 position translation to opposite side, be arranged side by side neatly interior many of heating clamber 2.4, and send cutting mechanism 7 to and carry out shearings by going out long ingot casting that bar device 6 finishes the outermost heating.The shift method of long ingot casting has three kinds:
As shown in Figure 4, first kind be into bar device 4, drop-bottom 3.3.1, go out downward-sloping successively about 10～15 ° of bar device 6, allow round ingot casting by deadweight from a side roll of heating clamber 2.4 to the excellent position of going out of opposite side.
As shown in Figure 6, second kind is that shift fork 5.1 is installed on the top of a side of advancing bar device 4, and shift fork 5.1 rotates under the drive of rotating shaft, and the round ingot casting of stirring on the driving chain of bar device 4 into 5.2 is rolled to forward on the drop-bottom 3.3.1.
As shown in Figure 2, the third be at heating furnace the outside, advance the installation material-pulling device 5 of bar device 4 one sides; Material-pulling device 5 adopts hydraulic cylinder as power, and hydraulic cylinder passes the circular hole on the heating furnace sidewall.For preventing that the heat in the heating furnace is transmitted in the hydraulic cylinder, the form of employing, gap separates two sections piston rods with heat-barrier material.
Also can adopt one, two or one, three modes to combine.
As Fig. 2, shown in Figure 4, the bar device 6 of going out of heating furnace adopts the chain and sprocket driving device identical with advancing bar device 4, the upper surface of chain should be lower than the upper surface of drop-bottom 3.3.1, offers the rod outlet 6.1 of a diameter greater than the ingot casting diameter on the end face of the front end of heating furnace, the opposite side corresponding with advancing bar device 4; Master on driving chain is arranged in heating clamber 2.4, rod outlet 6.1 successively and is installed in furnace body support, connected by movable sprocket.Going out bar device 6 can reverse.
Go out the formation of bar device 6: going out bar device 6 and be positioned at heating clamber 2.4, on the opposite of advancing bar device 4, be close to heating clamber 2.4 sidewalls, go out bar device 6 and can adopt the chain and sprocket driving device identical with advancing bar device 4, also can be one group of short carrying roller group that links to each other synchronously.
When adopting chain and sprocket driving device, the upper surface of chain should be lower than the upper surface of drop-bottom 3.3.1 slightly, on the end face of the front end of heating furnace, the opposite side corresponding, offer the circular hole that a diameter is a bit larger tham the ingot casting diameter with rod feeder 4, claim rod outlet 6.1 (as shown in Figure 2), driving chain is from before and after running through heating clamber 2.4, pass from rod outlet 6.1, the master of front and back, be installed on the support of body of heater 1 by movable sprocket.The sprocket wheel of front is a driving wheel.Long ingot casting is heated to design temperature in heating clamber 2.4 after, goes out bar device 6 and be responsible for long ingot casting is sent heating furnace execution shearing, after shearing finishes, go out bar device 6 counter-rotatings, send the ingot casting of residue length on the chain back to heating clamber 2.4 interior insulations.
When adopting carrying roller group mechanism, first carrying roller of front end is a driving wheel, with motor by chain transmission campaign, all the other carrying rollers by a coaxial duplicate sprocket with the chain rotation synchronously that links together.Ingot casting is sheared and is finished, the counter-rotating of carrying roller group, and the ingot casting of residue length is sent back to heating clamber 2.4 insulations.
As shown in Figure 7, among the present invention, cut-to-length mechanism 7 is positioned at the place ahead of bar device 6, and the two axis coincides, and is connected and fixed together with body of heater 1.It comprises two parts: fixed length mechanism 7.1 and cutting mechanism 7.2.Shear 7.2 with go out bar device 6, length control device 7.1 at same axis, between the two.
The long ingot casting that rod feeder 6 is sent will be sheared with certain-length, and the length of shearing is determined (sheared length will often change according to the production needs) by length control device 7.1.The fixed length mode of length control device 7.1 can be taked the control of mechanical type positioning baffle, also can take electric automated closed-loop control.
Fixed ruler baffle 7.1.1 is arranged on the back journey of shear 7.2, and the long ingot casting that rod feeder 6 is sent passes shear 7.2, and 7.1.1 blocks by fixed ruler baffle.Be shock absorbing, the mechanical shutter back installs the bigger damping spring 7.1.2 of stiffness coefficient additional, and fixed ruler baffle 7.1.1 interlock stroke microswitch notifies out the motor of bar device 6 to stop.
Also can adopt electric automatic control.Optoelectronic switch induction ingot casting end face and sender notifies out excellent motor to stop.Or going out on the excellent motor code-disc is installed, code-disc is measured the chain rotating speed, and signal is passed to high-speed counter in the PLC control system, calculates driving chain or send the tangential velocity of excellent carrying roller and the length that ingot casting moved.
Fixed length mechanism 7.1 can regulate arbitrarily within the specific limits according to producing needs.Mechanical system changes sheared length by the position of regulating mechanical shutter 7.1.1; Electrical control can be imported the desire sheared length and regulate.
The effect of shear 7.2 is that long ingot casting is cut off.It is by shearing frame 7.2.1, quiet tool rest 7.2.2, moving knife seat 7.2.3 and shearing oil cylinder 7.2.4 and form.Shearing frame 7.2.1 and body of heater 1 is fixed together.Tool rest is installed in to be sheared in the middle of the frame 7.2.1, and moving knife seat 7.2.3 is last, and quiet tool rest 7.2.2 is following; Moving knife seat 7.2.3 is provided with guider, increases the stability when shearing.Moving knife seat 7.2.3, form the shearing perforation identical with the ingot casting diameter when quiet tool rest 7.2.2 closes up, it is slightly larger than the diameter of long ingot casting that long ingot casting enters the shearing perforation diameter of tool rest end, and the formation back taper, makes things convenient for long ingot casting importing.In order to reduce the deformation extent of aluminium bar, on moving knife seat 7.2.3, the quiet tool rest 7.2.2 semiorbicular shear-blade is housed respectively, when closing up, its cutting edge forms and the identical circle of circle ingot casting diameter, shear-blade is made with hot-die steel, have thermohardening, wearability, high rigidity, and the impact when having certain toughness to shear to resist, the working environment that colds and heat succeed each other requires the thermal fatigue of blade material to get well.
Shearing the dynamicliquid pressure oil of oil cylinder 7.2.4 can introduce on the pumping plant of copper aluminium extruding machine, middle pressure vane pump on the general using extruder is as power source, install necessary circuit controls valve again additional, as flow speed control valve, overflow valve, reversal valve etc., but the decompression that will consider in the oil circuit to shear when finishing is impacted.The diameter of oil cylinder is by Jian's shearing stress decision of circle ingot casting, and stroke then depends on the diameter that is sheared ingot casting.
Claims (10)
1. long casting ingot heating stove of hot shearing copper aluminium, it has body of heater, body of heater is this equipment rack, it is characterized in that frame is provided with into bar device, burner, EGR, goes out bar device and cut-to-length mechanism, and burner comprises burner, combustion chamber, blender and heating clamber; Heating clamber is at the middle part of this equipment, and the top of heating clamber is wind channel; One side of heating clamber inside is a bar device into, and opposite side is bar device; Cut-to-length mechanism is positioned on the same axis of excellent mechanism into, is linked together with body of heater, is advancing between bar device, the length control device, and it is by shearing frame, moving knife seat, quiet tool rest and shearing oil cylinder and form.
2. the long casting ingot heating stove of a kind of hot shearing copper aluminium as claimed in claim 1, it is characterized in that describedly laying drop-bottom in the middle of advancing bar device and going out bar device, be provided with hot-flow flue between drop-bottom and the furnace bottom, offer the transverse slot on the drop-bottom, hot gas can enter heating clamber through drop-bottom in the combustion chamber; Described EGR is made up of air-introduced machine, wind channel, heating clamber, hot-flow flue, blender, and air-introduced machine is installed in the centre position on heating furnace furnace roof top, and the air inlet of air-introduced machine links to each other with wind channel; The air outlet of air-introduced machine links to each other with the circulated air return air inlet, and wind channel is positioned at the top of heating clamber, is the air inducing dividing plate of heating ingot casting top and the passage that furnace roof forms; Offer the transverse slot on the air inducing dividing plate equally.
3. the long casting ingot heating stove of a kind of hot shearing copper aluminium as claimed in claim 1 or 2 is characterized in that wherein blender is installed in the combustion chamber, and it is formed by inside and outside two-layer suit, and its inner chamber links to each other with burner; Jacket layer links to each other with the circulated air air-return duct.
4. the long casting ingot heating stove of a kind of hot shearing copper aluminium as claimed in claim 1 or 2, it is characterized in that described cut-to-length mechanism comprises length control device and shear two parts, the fixed length mode of length control device is taked the control of mechanical type positioning baffle, fixed ruler baffle is arranged on the back journey of shear, fixed ruler baffle interlock stroke microswitch.
5. the long casting ingot heating stove of a kind of hot shearing copper aluminium as claimed in claim 3, it is characterized in that described cut-to-length mechanism comprises length control device and shear two parts, the fixed length mode of length control device is taked the control of mechanical type positioning baffle, fixed ruler baffle is arranged on the back journey of cutting mechanism, fixed ruler baffle interlock stroke microswitch.
6. as claim 1 or the long casting ingot heating stove of 4 described a kind of hot shearing copper aluminium, it is characterized in that described what advance that bar device adopts is that back from heating furnace is vertically by a mode that adds, promptly behind heating furnace, be provided with platform, press close to furnace wall one side in the back of heating furnace and offer and add hand-hole, the sprocket wheel on driving-chain wore and adds hand-hole and be fixed on support connects.
7. the long casting ingot heating stove of a kind of hot shearing copper aluminium as claimed in claim 5, it is characterized in that described what advance that bar device adopts is that long ingot casting laterally pursues set level and transfers mode into heating clamber from the heating furnace side, promptly be provided with a platform contour with drop-bottom in heating furnace one side system, offer a long and narrow fire door on the heating clamber, fire door is connected on the body of heater by hydraulic cylinder; Describedly advance bar device, drop-bottom, go out downward-sloping successively about 10～15 ° of bar device.
8. the long casting ingot heating stove of a kind of hot shearing copper aluminium as claimed in claim 7, it is characterized in that bar device adopts the chain and sprocket driving device identical with advancing bar device, the upper surface of chain should be lower than the upper surface of drop-bottom, offers the rod outlet of a diameter greater than the ingot casting diameter on the end face of the front end of heating furnace, the opposite side corresponding with bar feeding mechanism; Master on driving chain is arranged in heating clamber, rod outlet successively and is installed in furnace body support, connected by movable sprocket.
9. the long casting ingot heating stove of a kind of hot shearing copper aluminium as claimed in claim 8, it is characterized in that it is one group of short carrying roller group that links to each other synchronously that bar device adopts, first carrying roller of front end is a driving wheel, with motor by chain drive, all the other carrying rollers link with chain by a coaxial duplicate sprocket; Described rod feeder can reverse.
10. the long casting ingot heating stove of a kind of hot shearing copper aluminium as claimed in claim 9 is characterized in that described shearing frame and body of heater are fixed together, and tool rest is installed in to be sheared in the middle of the frame, and the moving knife seat is last, and quiet tool rest is following, and the moving knife seat is provided with guider; The moving knife seat, when closing up, quiet tool rest forms back taper type shearing perforation; Be equiped with semiorbicular shear-blade respectively on moving knife seat, the quiet tool rest; Shear the dynamicliquid pressure oil of oil cylinder and on the pumping plant of copper aluminium extruding machine, introduce, utilize middle pressure vane pump on the extruder as power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910179269 CN102029302B (en) | 2009-09-30 | 2009-09-30 | Long copper and aluminum ingot hot shearing heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910179269 CN102029302B (en) | 2009-09-30 | 2009-09-30 | Long copper and aluminum ingot hot shearing heating furnace |
Publications (2)
| Publication Number | Publication Date |
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| CN102029302A true CN102029302A (en) | 2011-04-27 |
| CN102029302B CN102029302B (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910179269 Expired - Fee Related CN102029302B (en) | 2009-09-30 | 2009-09-30 | Long copper and aluminum ingot hot shearing heating furnace |
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| CN (1) | CN102029302B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375988A (en) * | 2012-04-16 | 2013-10-30 | 昆山市源丰铝业有限公司 | Full-automatic aluminum rod heating furnace |
| CN103968667A (en) * | 2013-01-29 | 2014-08-06 | 荣咨海 | Hearth direct-combustion energy-saving hot-shear furnace |
| CN104075329A (en) * | 2013-03-28 | 2014-10-01 | 吴显积 | High-temperature thermal cracking device for medical waste |
| CN107321811A (en) * | 2017-08-07 | 2017-11-07 | 江苏中福铝镁科技有限公司 | A kind of Al alloys andMg alloys justify the universal heater of ingot casting |
| CN108048645A (en) * | 2017-11-02 | 2018-05-18 | 考迈托（佛山）挤压科技股份有限公司 | A kind of long aluminium bar heated line |
| CN111872298A (en) * | 2020-07-07 | 2020-11-03 | 江苏新悦自动化有限公司 | Rod piece continuous forging system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2214625B (en) * | 1987-12-24 | 1992-01-02 | British Steel Plc | Regenerative burner system |
| FR2905753B1 (en) * | 2006-09-13 | 2008-11-07 | Stein Heurtey | METHOD OF HEATING IN OVEN USING FUEL WITH LOW CALORIFIC POWER, AND OVEN USING THE SAME |
| CN201245692Y (en) * | 2008-06-05 | 2009-05-27 | 哈尔滨松江有色工业有限公司 | Stepping copper ingot heating furnace |
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2009
- 2009-09-30 CN CN 200910179269 patent/CN102029302B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375988A (en) * | 2012-04-16 | 2013-10-30 | 昆山市源丰铝业有限公司 | Full-automatic aluminum rod heating furnace |
| CN103375988B (en) * | 2012-04-16 | 2015-08-19 | 昆山市源丰铝业有限公司 | Full-automatic aluminum bar heating furnace |
| CN103968667A (en) * | 2013-01-29 | 2014-08-06 | 荣咨海 | Hearth direct-combustion energy-saving hot-shear furnace |
| CN104075329A (en) * | 2013-03-28 | 2014-10-01 | 吴显积 | High-temperature thermal cracking device for medical waste |
| CN107321811A (en) * | 2017-08-07 | 2017-11-07 | 江苏中福铝镁科技有限公司 | A kind of Al alloys andMg alloys justify the universal heater of ingot casting |
| CN107321811B (en) * | 2017-08-07 | 2023-09-01 | 江苏中福铝镁科技有限公司 | General heating device for aluminum and magnesium alloy round ingot casting |
| CN108048645A (en) * | 2017-11-02 | 2018-05-18 | 考迈托（佛山）挤压科技股份有限公司 | A kind of long aluminium bar heated line |
| CN111872298A (en) * | 2020-07-07 | 2020-11-03 | 江苏新悦自动化有限公司 | Rod piece continuous forging system |
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|---|---|
| CN102029302B (en) | 2012-10-03 |
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