CN106435120B - A kind of metal roof bar quenching unit - Google Patents

A kind of metal roof bar quenching unit Download PDF

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Publication number
CN106435120B
CN106435120B CN201611021454.2A CN201611021454A CN106435120B CN 106435120 B CN106435120 B CN 106435120B CN 201611021454 A CN201611021454 A CN 201611021454A CN 106435120 B CN106435120 B CN 106435120B
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China
Prior art keywords
metal roof
roof bar
workbench
wall
nozzle
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CN201611021454.2A
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Chinese (zh)
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CN106435120A (en
Inventor
张建平
苟新运
刘莉
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Shizuishan Coagulation Machinery Equipment Co Ltd
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Shizuishan Coagulation Machinery Equipment Co Ltd
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Priority to CN201611021454.2A priority Critical patent/CN106435120B/en
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • C21D1/667Quenching devices for spray quenching
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34Methods of heating
    • C21D1/42Induction heating
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0062Heat-treating apparatus with a cooling or quenching zone
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/44Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for equipment for lining mine shafts, e.g. segments, rings or props
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The present invention relates to technical field of heat treatment, especially a kind of metal roof bar quenching unit, including workbench, intermediate-frequency heating furnace is installed between two sub- workbench, intermediate-frequency heating furnace includes double-layer heat insulation shell, the outer wall of double-layer heat insulation shell offers the inlet and outlet of metal roof bar, the inner chamber of double-layer heat insulation shell is provided with hot-wire coil, cooling device includes cooling cavities, cooling cavities is to be spliced by four independent storage chambers, the side outer wall of four storage chambers offers water inlet, water inlet is connected with high-pressure water pipe, pressure-regulating valve is mounted in each high-pressure water pipe, the opposite side outer wall of four storage chambers is uniformly provided with spray equipment, the metal roof bar quenching unit realizes the bending deformation quantity of manual control metal roof bar, so that the metal roof bar shape after quenching is unified and standard, bearing capacity is strong.

Description

A kind of metal roof bar quenching unit
Technical field
The present invention relates to technical field of heat treatment, more particularly to a kind of metal roof bar quenching unit.
Background technology
Metal roof bar is for coal face, under the upper plate of individual prop, transmission roof pressure Support beam, it is the back timber of coal face supporting roof.Surface hardening must be carried out, to strengthen the globality of back timber Can, meet the working condition that back timber uses.But, can not be fast after back timber is heated to certain temperature because metal roof bar length is longer Speed puts the workpiece in water-bath and cooled down, and thermal loss is more during water-bath is put into, and causes quenching effect poor, flexural deformation Greatly.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of metal roof bar quenching proposed fills Put.
To achieve these goals, present invention employs following technical scheme:
A kind of metal roof bar quenching unit, including workbench are designed, the workbench is divided into two sub- workbench, two sons Intermediate-frequency heating furnace is installed, one of upper surface in two sub- workbench is separately installed with for transmitting gold between workbench Belong to the thermostable carrying roller of back timber and the cooling device of cooling metal roof bar, the upper surface of another sub- workbench is provided with for passing The common carrying roller of metal roof bar is sent, obliquely on the ground, the sub- workbench ratio positioned at left side is located at the workbench for installation The sub- workbench on right side is low five to ten centimetres, and the intermediate-frequency heating furnace includes double-layer heat insulation shell, the outer wall of double-layer heat insulation shell The inlet and outlet of metal roof bar are offered, the inner chamber of the double-layer heat insulation shell is provided with hot-wire coil, the double-layer heat insulation shell Outer wall nitrogen pot is installed, the inwall of double-layer heat insulation shell is offered for the gas in nitrogen pot to be imported into intermediate-frequency heating furnace Venthole;
The cooling device includes cooling cavities, and the cooling cavities is spliced by four independent storage chambers, four The storage chamber is spliced into a quadrangular frustum pyramid shaped cooling cavities, and the center of the medial surface of four storage chambers and formed truncated rectangular pyramids is linear Cheng Sandu cone angle, and the quadrangular frustum pyramid shaped cooling cavities formed lies in a horizontal plane in the upper surface of workbench, four water storages The side outer wall of chamber offers water inlet, and the water inlet is connected with high-pressure water pipe, is mounted in each high-pressure water pipe Pressure-regulating valve, the opposite side outer wall of four storage chambers are uniformly provided with spray equipment;
The thermostable carrying roller includes shaft core, and the outer wall of the shaft core is arranged with roll sleeve, and the outer wall of the roll sleeve is set Wear-resistant protection set is equipped with, the outer wall of the wear-resistant protection set opens up fluted, the outer wall rolling of the inwall and metal roof bar of groove Connection, the both ends of the shaft core are arranged on the upper surface of workbench, wherein one end installation at the shaft core both ends by bearing block There is sprocket wheel;
The drive device includes motor, and the motor is driven by chain and sprocket wheel.
Preferably, the spray equipment includes mounting seat, first jet is provided with mounting seat, and first jet is spiral Shape nozzle.
Preferably, the spray equipment includes mounting seat, second nozzle is provided with mounting seat, and second nozzle tubulose sprays Mouth, the outer wall of tubular nozzle are provided with some otch.
Preferably, the spray equipment includes mounting seat, the 3rd nozzle is provided with mounting seat, and the 3rd nozzle is cylindric Nozzle, the outer wall of cylindric nozzle are evenly arranged with spray orifice.
Preferably, the shaft core is divided into the two sub- axles in left and right, and the sub- axle in left and right two is welded in roll sleeve, and two sons Radiating cavity is reserved between axle.
A kind of metal roof bar quenching unit proposed by the present invention, beneficial effect are:Using intermediate-frequency heating furnace to metal roof Beam is heated, and then metal roof bar is sent in cooling device and quenched, and reaches the overall performance of reinforced metal back timber, cold to go Contrasting existing the cold of immersion type using the type of cooling of fountain in device goes mode to have quenching effect good, and metal roof bar is quenched Thermal loss is small when fiery, and flexural deformation is small, while four independent storage chambers are provided with spray equipment, and the outer wall of storage chamber is equal It is even to be provided with spray equipment, pressure adjustable type high-pressure intake pipe is provided with four independent storage chambers, can be separately adjustable each The inflow and intake pressure of storage chamber, realize the bending deformation quantity of manual control metal roof bar so that the metal after quenching Back timber shape is unified, and bearing capacity is strong.
Brief description of the drawings
Fig. 1 is a kind of structural representation of metal roof bar quenching unit proposed by the present invention;
Fig. 2 is a kind of structural representation of metal roof bar quenching unit proposed by the present invention;
Fig. 3 is that a kind of intermediate frequency thermal-arrest furnace structure of metal roof bar quenching unit proposed by the present invention shows profile;
Fig. 4 is a kind of cooling device structural representation of metal roof bar quenching unit proposed by the present invention;
Fig. 5 is a kind of spray equipment structural representation of metal roof bar quenching unit proposed by the present invention;
Fig. 6 is a kind of spray equipment structural representation of metal roof bar quenching unit proposed by the present invention;
Fig. 7 is a kind of spray equipment structural representation of metal roof bar quenching unit proposed by the present invention.
In figure:1 workbench, 2 thermostable carrying rollers, 3 drive devices, 4 intermediate-frequency heating furnaces, 5 cooling devices, 6 nitrogen pots, 7 gold medals Belong to back timber, 8 common carrying rollers, 9 hot-wire coils, 10 ventholes, 11 water inlets, 12 storage chambers, 13 spray equipments, 14 motors, 15 chains, 16 sprocket wheels, 17 bearing blocks, 18 shaft cores, 19 roll sleeves, 20 wear-resistant protection sets, 21 first jets, 22 second nozzles, 23 3rd nozzle.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-4, a kind of metal roof bar quenching unit, workbench 1, workbench 1 are divided to for two sub- workbench, two sons Intermediate-frequency heating furnace 4 is installed, one of upper surface in two sub- workbench is separately installed with for transmitting between workbench The thermostable carrying roller 2 of metal roof bar 7 and the cooling device 5 of cooling metal roof bar 7, the upper surface of another sub- workbench is provided with For transmitting the common carrying roller 8 of metal roof bar 7, intermediate-frequency heating furnace 4 includes double-layer heat insulation shell, and the outer wall of double-layer heat insulation shell is opened Inlet and outlet provided with metal roof bar 7, the inner chamber of double-layer heat insulation shell are provided with hot-wire coil 9, and workbench 1 is obliquely arranged on On ground, the sub- workbench positioned at left side is lower five to ten centimetres than the sub- workbench positioned at right side so that thermostable carrying roller 2 and general Logical carrying roller 8 resistance suffered when transmitting metal roof bar 7 is smaller, is easy to convey metal roof bar 7.
Cooling device 5 includes cooling cavities, and cooling cavities is spliced by four independent storage chambers 12, four storage chambers 12 side outer wall offers water inlet 11, and water inlet 11 is connected with high-pressure water pipe, is mounted in each high-pressure water pipe Pressure-regulating valve, the opposite side outer wall of four storage chambers 12 are uniformly provided with spray equipment 13, and four storage chambers 12 are spliced into one Quadrangular frustum pyramid shaped cooling cavities, the medial surface of four storage chambers 12 form three degree of cone angle with forming the center line of truncated rectangular pyramids, and The quadrangular frustum pyramid shaped cooling cavities formed lies in a horizontal plane in the upper surface of workbench 1, can effectively prevent that cooling down aqueous reflux enters In intermediate-frequency heating furnace 4, design is safer, reasonable.
Thermostable carrying roller 2 includes shaft core 18, and the outer wall of shaft core 18 is arranged with roll sleeve 19, and the outer wall of roll sleeve 19 is provided with Wear-resistant protection set 20, the outer wall of wear-resistant protection set 20 open up fluted, the inwall of groove and the outer wall rolling company of metal roof bar 7 Connecing so that when transmitting metal roof bar 7, horizontal displacement will not occur thermostable carrying roller 2 for metal roof bar 7, and transmitting procedure is steady, The both ends of shaft core 18 are arranged on the upper surface of workbench 1 by bearing block 17, and the wherein one end at the both ends of shaft core 18 is provided with sprocket wheel 16, shaft core 18 is divided to for the sub- axle in left and right two, and the sub- axle in left and right two is welded in roll sleeve 19, and is reserved between two sub- axles Radiate cavity so that thermostable carrying roller 2 has preferable radiating effect when transmitting metal roof bar 7, avoids by high-temperature metal The influence of back timber 7 and deform.
Drive device 3 includes motor 14, and motor 14 is driven by chain 15 and sprocket wheel 16.
The outer wall of double-layer heat insulation shell is provided with nitrogen pot 6, and the inwall of double-layer heat insulation shell, which offers, to be used for nitrogen pot 6 In gas import intermediate-frequency heating furnace 4 venthole 10, to high-temperature metal back timber 7 carry out spraying cooling when be passed through nitrogen, keep away Exempt from the surface of the metal roof bar 7 of high temperature by excessive corrosion, improve the quality of metal roof bar 7 after quenching.
Reference picture 5, as another preferred embodiment of the present utility model, the difference with a upper embodiment is spray equipment 13 include mounting seat, and first jet 21 is provided with mounting seat, and first jet 21 is spiral shape nozzle, and spiral shape nozzle has Preferable atomizing effect, while be not easy to get rusty and block, improve the cooling effect of cooling device 5.
Reference picture 6, as another preferred embodiment of the present utility model, the difference with a upper embodiment is spray equipment 13 include mounting seat, second nozzle 22 are provided with mounting seat, and the tubular nozzle of second nozzle 22, the outer wall of tubular nozzle are provided with Some otch so that the water-carrying capacity of second nozzle 22 is bigger, good cooling results, and is not easily blocked.
Reference picture 7, as another preferred embodiment of the present utility model, the difference with a upper embodiment is spray equipment 13 include mounting seat, and the 3rd nozzle 23, and 23 cylindric nozzle of the 3rd nozzle, the outer wall of cylindric nozzle are provided with mounting seat It is evenly arranged with spray orifice so that the 3rd nozzle 23 is more uniform in water spray, improves the cooling effect of cooling device 5.
Operation principle:Metal roof bar 7 is delivered in intermediate-frequency heating furnace 4 using common carrying roller 8 and heated, nitrogen pot 6 In nitrogen entered by venthole 10 in intermediate-frequency heating furnace 4 metal roof bar 7 protected, the metal roof bar 7 after heating is logical Cross thermostable carrying roller 2 be delivered to it is cold go in device 5, the spray equipment in cooling device 5 in four independent cooling cavities is to gold Belong to back timber 7 and carry out spraying cooling completion quenching work, while artificially controlled by adjusting the pressure-regulating valve in high-pressure water pipe The injection flow rate of multiple spray equipments, so as to reach the deflection of manual control metal roof bar 7.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (5)

1. a kind of metal roof bar quenching unit, including workbench(1), the workbench(1)It is divided into two sub- workbench, two sons Intermediate-frequency heating furnace is installed between workbench(4), one of upper surface in two sub- workbench is separately installed with for passing Send metal roof bar(7)Thermostable carrying roller(2)With cooling metal roof bar(7)Cooling device(5), another sub- workbench it is upper End face is provided with for transmitting metal roof bar(7)Common carrying roller(8), it is characterised in that the workbench(1)Oblique peace On the ground, the sub- workbench positioned at left side is lower five to ten centimetres than the sub- workbench positioned at right side, the intermediate-frequency heating furnace for dress (4)Including double-layer heat insulation shell, the outer wall of double-layer heat insulation shell offers metal roof bar(7)Inlet and outlet, the double-layer heat insulation The inner chamber of shell is provided with hot-wire coil(9), the outer wall of the double-layer heat insulation shell is provided with nitrogen pot(6), outside double-layer heat insulation The inwall of shell, which offers, to be used for nitrogen pot(6)In gas import intermediate-frequency heating furnace(4)Venthole(10);
The cooling device(5)Including cooling cavities, the cooling cavities is by four independent storage chambers(12)It is spliced, four The individual storage chamber(12)It is spliced into a quadrangular frustum pyramid shaped cooling cavities, four storage chambers(12)Medial surface and form truncated rectangular pyramids Center line form three degree of cone angle, and the quadrangular frustum pyramid shaped cooling cavities formed lies in a horizontal plane in workbench(1)Upper surface, Four storage chambers(12)Side outer wall offer water inlet(11), the water inlet(11)Connect with high-pressure water pipe Connect, pressure-regulating valve, four storage chambers are mounted in each high-pressure water pipe(12)Opposite side outer wall be uniformly provided with Spray equipment(13);
The thermostable carrying roller(2)Including shaft core(18), the shaft core(18)Outer wall be arranged with roll sleeve(19), the roll shaft Set(19)Outer wall be provided with wear-resistant protection set(20), the wear-resistant protection set(20)Outer wall open up it is fluted, groove it is interior Wall and metal roof bar(7)Outer wall roll connection, the shaft core(18)Both ends pass through bearing block(17)Installed in workbench(1) Upper surface, the shaft core(18)The wherein one end at both ends is provided with sprocket wheel(16);
Drive device(3)Including motor(14), the motor(14)Pass through chain(15)With sprocket wheel(16)Passed It is dynamic.
A kind of 2. metal roof bar quenching unit according to claim 1, it is characterised in that the spray equipment(13)Including Mounting seat, first jet is provided with mounting seat(21), and first jet(21)For spiral shape nozzle.
A kind of 3. metal roof bar quenching unit according to claim 1, it is characterised in that the spray equipment(13)Including Mounting seat, second nozzle is provided with mounting seat(22), and second nozzle(22)Tubular nozzle, if the outer wall of tubular nozzle is provided with Dry otch.
A kind of 4. metal roof bar quenching unit according to claim 1, it is characterised in that the spray equipment(13)Including Mounting seat, the 3rd nozzle is provided with mounting seat(23), and the 3rd nozzle(23)Cylindric nozzle, the outer wall of cylindric nozzle are equal It is even to be provided with spray orifice.
A kind of 5. metal roof bar quenching unit according to claim 1, it is characterised in that the shaft core(18)It is divided into left and right Two sub- axles, the sub- axle in left and right two are welded on roll sleeve(19)In, and it is reserved with radiating cavity between two sub- axles.
CN201611021454.2A 2016-11-15 2016-11-15 A kind of metal roof bar quenching unit Active CN106435120B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611021454.2A CN106435120B (en) 2016-11-15 2016-11-15 A kind of metal roof bar quenching unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611021454.2A CN106435120B (en) 2016-11-15 2016-11-15 A kind of metal roof bar quenching unit

Publications (2)

Publication Number Publication Date
CN106435120A CN106435120A (en) 2017-02-22
CN106435120B true CN106435120B (en) 2018-04-03

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2576720Y (en) * 2002-11-07 2003-10-01 杨国正 Roof-beam inductive quenching heater
CN2576721Y (en) * 2002-11-11 2003-10-01 冯俊杰 Roof-beam inductive quenching spray-quenching machine
CN2765885Y (en) * 2005-02-18 2006-03-22 鹿宁 Thermostable carrying roller
CN101435010A (en) * 2007-11-15 2009-05-20 杨国正 Carring bar intermediate frequency induction hardening heat treatment process and intermediate frequency quenching machine tool
CN101643831B (en) * 2009-09-11 2011-01-05 无锡德新钢管有限公司 Automatic high-frequency induction hardening device of rotary large-diameter seamless hot-expanding steel tube
CN201793694U (en) * 2010-07-24 2011-04-13 精美铝业有限公司 Roller way type solution heat treatment and quenching device
CN205555350U (en) * 2016-02-15 2016-09-07 长兴吉成工业炉有限公司 High temperature resistant bearing roller
CN206428289U (en) * 2016-11-15 2017-08-22 石嘴山市凝力机械设备有限公司 A kind of metal roof bar quenching unit

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