阅读说明：本技术 一种多烧嘴板簧中心孔加热炉及工作方法 (A kind of more burner leaf spring centre bore heating furnaces and working method ) 是由 石学友 陈允明 步砚杰 郭兆友 胥幼林 赵荣猛 于 2019-09-19 设计创作，主要内容包括：本发明提出了一种多烧嘴板簧中心孔加热炉,包括升降平台、安装在升降平台上的加热炉盖以及位于加热炉盖下方的输送链机构和连接加热炉盖的燃气管道系统,升降平台设有固定多个升降机构的固定支架,升降机构之间设有起重横梁,起重横梁上设有若干连接加热炉盖的升降架；升降架连接加热炉盖的吊梁,吊梁固定在加热炉罩上,加热炉罩内部设有若干向下喷射的燃气烧嘴,燃气烧嘴周围设有浇注耐火砖,浇注耐火砖周围除燃烧面以外均铺设有隔热保温的隔热棉毯；本发明设计的多燃气烧嘴的加热方式,提高了燃气的利用率,提高热效率和工作效率；设计的加热炉盖通过升降平台根据板簧厚度尺寸进行上下升降,加热更加精准,实用性强。(The invention proposes a kind of more burner leaf spring centre bore heating furnaces, gas pipeline system including hoistable platform, the heating furnace cover being mounted on hoistable platform and conveying chain mechanism and connection heating furnace cover below heating furnace cover, hoistable platform is equipped with the fixation bracket of fixed multiple elevating mechanisms, lifting beam is equipped between elevating mechanism, lifting beam is equipped with the crane of several connection heating furnace covers；The hanging beam of crane connection heating furnace cover, hanging beam is fixed on heating bonnet, it heats and is equipped with several fuel burner nozzles sprayed downwards inside bonnet, casting refractory brick is equipped with around fuel burner nozzle, be poured the heat-insulated cotton blanket for being equipped with heat-insulation and heat-preservation around refractory brick in addition to combustion front；The heating method for more fuel burner nozzles that the present invention designs improves the utilization rate of combustion gas, improves the thermal efficiency and working efficiency；The heating furnace cover of design carries out oscilaltion according to leaf spring thickness by hoistable platform, and heating is more accurate, practical.)

1. a kind of more burner leaf spring centre bore heating furnaces, which is characterized in that including hoistable platform, be mounted on adding on hoistable platform The gas pipeline system of hot stove lid and conveying chain mechanism and connection heating furnace cover below heating furnace cover, the lifting are flat Platform is equipped with the fixation bracket of fixed multiple elevating mechanisms, and lifting beam is equipped between elevating mechanism, and lifting beam is equipped with several Connect the crane of heating furnace cover；

Crane connects the hanging beam of heating furnace cover, and hanging beam is fixed on heating bonnet, is equipped with several downward sprays inside heating bonnet The fuel burner nozzle penetrated is equipped with casting refractory brick around fuel burner nozzle, be poured around refractory brick be equipped in addition to combustion front every The heat-insulated cotton blanket of heat heat preservation；

The heating furnace bottom for being arranged right below conveying chain mechanism of fuel burner nozzle, heating furnace bottom are located among transporting chain plate and are fixed on In the rack of conveying chain mechanism, rack both ends are equipped with the drive sprocket and driven sprocket connected by transporting chain plate, transporting chain plate Feed end and discharge end equipped with conveying leaf spring, and leaf spring interlude is located above heating furnace bottom；

The side of conveying chain mechanism is equipped with gas pipeline system, and gas pipeline system is equipped with gas inlet pipe and air inlet wind Machine, gas inlet pipe and air inlet blower connect combustion gas main pipeline jointly, and combustion gas main pipeline is equipped with and mutually fits with fuel burner nozzle The burner subtube matched, burner subtube are correspondingly connected with fuel burner nozzle.

2. more burner leaf spring centre bore heating furnaces according to claim 1, which is characterized in that the heating furnace bottom is equipped with Refractory brick, heat-insulation and heat-preservation when for leaf spring heating.

3. more burner leaf spring centre bore heating furnaces according to claim 1, which is characterized in that the heating bonnet end is set There is smoke evacuation petticoat pipe, and is frustum type inside the smoke outlet for petticoat pipe of discharging fume.

4. more burner leaf spring centre bore heating furnaces according to claim 1, which is characterized in that the gas inlet pipe rear end It is connected with gas stabilized-pressure valve and gas ratio valve in turn, air inlet blower rear end is connected with continuous motor valve.

5. more burner leaf spring centre bore heating furnaces according to claim 1, which is characterized in that the drive sprocket connection subtracts Speed motor is simultaneously driven by decelerating motor.

6. using the working method of any more burner leaf spring centre bore heating furnaces of claim 1-5, which is characterized in that packet Include following steps:

1) each mechanism installation of heating furnace is in place, starts air inlet blower and gas ratio valve, gas stabilized-pressure valve carries out combustion gas Pressure stabilizing, gas ratio valve carries out aeration ratio adjusting to combustion gas and air, after mixing combustion gas and air in combustion gas main pipeline Into burner subtube, so that the combustion gas at all fuel burner nozzles is constantly burnt makes to add furnace continuous heating；

2) thickness requirement of the leaf spring heated as needed is controlled on the crane being mounted on lifting beam by elevating mechanism Lower movement, while heating furnace cover being driven to move up and down, to adjust the height of heating furnace cover, i.e. the height of regulating gas burner；

3) decelerating motor is opened, drive sprocket is driven and controls the movement of transporting chain plate, leaf spring is placed on transporting chain plate Feed end, and the interlude of leaf spring is located at the underface of fuel burner nozzle, decelerating motor controls the shift position of transporting chain plate；

4) constantly burnt by the combustion gas at fuel burner nozzle and leaf spring interlude heated, and be equipped with pour refractory brick, Heat-insulated cotton blanket plays the role of heat-insulation and heat-preservation, improves heating efficiency, injury caused by avoiding the temperature of other devices excessively high, heating The exhaust gas of generation passes through smoke evacuation petticoat pipe processing discharge；

5) leaf spring that heating is completed enters the next step by the discharge end output of transporting chain plate.

Technical field

The present invention relates to leaf springs to produce technical field of heat treatment, and in particular to a kind of more burner leaf spring centre bore heating furnaces and Working method.

Background technique

Existing leaf spring center heating furnace is that intermediate-frequency heating furnace is used to heat in the middle part of leaf spring, and intermediate-frequency heating furnace is added using electricity Hot mode heats leaf spring middle part.Heating furnace is easy power-off when heating time is too long, cannot persistently heat to leaf spring, Structure type may not apply on automatic assembly line, and it is low that leaf spring intermediate-frequency heating furnace heating leaf spring quantity lacks productivity.And have a small amount of Using single fuel burner nozzle to leaf spring heat, working efficiency is low, and the mixed firinor fuel burning of air, waste of resource, cost is not added Height, and 201810037702.5 vanadium titanium leaf springs of car of the patent No. processing use heating furnace, i.e., using single heating nozzle to leaf spring into Row heating, nozzle is few, low efficiency, heats stove heating air, heat loss occurs.And a kind of leaf spring of the patent No. 201910015233.1 The synchronous induction heater of double end is then using two heating furnaces to two end heats of leaf spring, using electric heating.Therefore, one is designed The heating furnace that the kind more burners of combustion gas heat leaf spring interlude is problem to be solved.

Summary of the invention

Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of more burner leaf spring centre bores to heat Furnace and working method.

The technical solution adopted by the present invention to solve the technical problems is: a kind of more burner leaf spring centre bore heating furnaces, packet Include hoistable platform, the heating furnace cover that is mounted on hoistable platform and conveying chain mechanism and connection below heating furnace cover plus The gas pipeline system of hot stove lid, the hoistable platform are equipped with the fixation bracket of fixed multiple elevating mechanisms, between elevating mechanism Equipped with lifting beam, lifting beam is equipped with the crane of several connection heating furnace covers；

Crane connect heating furnace cover hanging beam, hanging beam be fixed on heating bonnet on, heating bonnet inside be equipped with it is several to The fuel burner nozzle of lower injection is equipped with casting refractory brick around fuel burner nozzle, is poured around refractory brick and is laid in addition to combustion front There is the heat-insulated cotton blanket of heat-insulation and heat-preservation；

The heating furnace bottom for being arranged right below conveying chain mechanism of fuel burner nozzle, heating furnace bottom are located among transporting chain plate and solid It is scheduled in the rack of conveying chain mechanism, rack both ends are equipped with the drive sprocket and driven sprocket connected by transporting chain plate, conveying Carrier bar is equipped with the feed end and discharge end of conveying leaf spring, and leaf spring interlude is located above heating furnace bottom；

The side of conveying chain mechanism is equipped with gas pipeline system, and gas pipeline system is equipped with gas inlet pipe and air inlet Blower, gas inlet pipe and air inlet blower connect combustion gas main pipeline jointly, and combustion gas main pipeline is equipped with and fuel burner nozzle phase The burner subtube of adaptation, burner subtube are correspondingly connected with fuel burner nozzle.

Particularly, the heating furnace bottom is equipped with refractory brick, heat-insulation and heat-preservation when for leaf spring heating.

Particularly, the heating bonnet end is equipped with smoke evacuation petticoat pipe, and is frustum type inside the smoke outlet for petticoat pipe of discharging fume.

Particularly, the gas inlet pipe rear end is connected with gas stabilized-pressure valve and gas ratio valve, air inlet in turn Blower rear end is connected with continuous motor valve.

Particularly, the drive sprocket connects decelerating motor and passes through decelerating motor and drives.

A kind of working method of more burner leaf spring centre bore heating furnaces, comprising the following steps:

1) each mechanism installation of heating furnace is in place, starts air inlet blower and gas ratio valve, gas stabilized-pressure valve is to combustion gas Pressure stabilizing is carried out, gas ratio valve carries out aeration ratio adjusting to combustion gas and air, mixes combustion gas and air in combustion gas main pipeline Enter burner subtube after conjunction, so that the combustion gas at all fuel burner nozzles is constantly burnt makes to add furnace continuous heating；

2) thickness requirement of the leaf spring heated as needed controls the lifting being mounted on lifting beam by elevating mechanism Frame moves up and down, while heating furnace cover being driven to move up and down, to adjust the height of heating furnace cover, i.e. the height of regulating gas burner Degree；

3) decelerating motor is opened, drive sprocket is driven and controls the movement of transporting chain plate, leaf spring is placed on carrier chain The feed end of plate, and the interlude of leaf spring is located at the underface of fuel burner nozzle, decelerating motor controls the shift position of transporting chain plate；

4) it is constantly burnt by the combustion gas at fuel burner nozzle and leaf spring interlude is heated, and what is be equipped with pours fire resisting Brick, heat-insulated cotton blanket play the role of heat-insulation and heat-preservation, improve heating efficiency, injury caused by avoiding the temperature of other devices excessively high, Thermogenetic exhaust gas is added to pass through smoke evacuation petticoat pipe processing discharge；

5) leaf spring that heating is completed enters the next step by the discharge end output of transporting chain plate.

The invention has the following advantages:

The heating method for more fuel burner nozzles that the present invention designs, and using and air mixing by the way of, improve combustion gas Utilization rate improves the thermal efficiency and working efficiency, reduces production and cost of labor；The heating furnace cover and heating furnace bottom split of design Structure design, heating furnace bottom is placed among transporting chain plate and only heats to leaf spring interlude, and fills equipped with heat-insulated cotton blanket and fire resisting, The excessively high injury caused by equipment and personnel of the temperature of other devices is avoided, heat loss is avoided, improves heating efficiency；Design adds Hot stove lid is fixed on the draw-beam of hoistable platform, and heating furnace cover rise up and down according to leaf spring thickness by hoistable platform Drop, heating is more accurate, practical.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of more burner leaf spring centre bore heating furnaces.

Fig. 2 is the hoistable platform structural schematic diagram of more burner leaf spring centre bore heating furnaces.

Fig. 3 is the heating furnace cover structural schematic diagram of more burner leaf spring centre bore heating furnaces.

Fig. 4 is the conveying chain mechanism structural schematic diagram of more burner leaf spring centre bore heating furnaces.

Fig. 5 is the gas pipeline system structural schematic diagram of more burner leaf spring centre bore heating furnaces.

In figure: 1- hoistable platform；2- heating furnace cover；3- conveying chain mechanism；4- leaf spring；5- gas pipeline system；6- charging End；7- discharge end；1.1- fixes bracket；1.2- elevating mechanism；1.3- lifting beam；1.4- crane；2.1- hanging beam；2.2 plus Hot stove cover；2.3- fuel burner nozzle；2.4- is poured refractory brick；The heat-insulated cotton blanket of 2.5-；2.6- smoke evacuation petticoat pipe；3.1- rack；3.2- defeated Send carrier bar；3.3- heating furnace bottom；3.4- refractory brick；3.5- driven sprocket；3.6- drive sprocket；3.7- decelerating motor；5.1- combustion Gas air inlet pipe；5.2- gas stabilized-pressure valve；5.3- gas ratio valve；5.4- air inlet blower；The continuous motor valve of 5.5-； 5.6- combustion gas main pipeline；5.7- burner subtube.

Specific embodiment

Below with reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete The further details of explanation of site preparation.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of labour.

As shown in Figs. 1-5, a kind of more burner leaf spring centre bore heating furnaces, including hoistable platform 1, be mounted on hoistable platform Heating furnace cover 2 and conveying chain mechanism 3 and connection heating furnace cover 2 positioned at the lower section of heating furnace cover 2 gas pipeline system 5, On the ground, heating furnace cover 2 is connected with hoistable platform 1, and conveying chain mechanism 3 is installed for the installation of fixation bracket 1.1 of hoistable platform 1 It is placed in the underface of heating furnace cover 2 on the ground, gas pipeline system 5 is mounted on the side of conveying chain mechanism 3, gas pipeline system System 5 is connected with the fuel burner nozzle 2.3 of heating furnace cover 2.Gas pipeline system 5 makes to heat to 2 sustainable supply combustion gas of heating furnace cover Bell 2 is constantly heated, and 4 lengthwise centers of leaf spring are aligned with 3 center of conveying chain mechanism, leaf spring 4 be placed on conveying chain mechanism 3 from Feed end 6 enters, and leaf spring 4 is transported to heating furnace cover 2 by conveying chain mechanism 3 carries out heating furnace cover 2 to 4 interlude of leaf spring below Heating, leaf spring 4 discharge from 3 discharge end 7 of conveying chain mechanism, and leaf spring 4 completes interlude heating.Heating furnace cover 2 passes through hoistable platform 1 Oscilaltion is carried out according to leaf spring thickness.

If the hoistable platform 1 of Fig. 2 is mainly by fixed bracket 1.1, elevating mechanism 1.2, lifting beam 1.3,1.4 groups of crane At.Fixed bracket 1.1 fixes on the ground, and elevating mechanism 1.2 is fixed on fixed bracket 1.1, and lifting beam 1.3 is fixed on liter Above descending mechanism 1.2, crane 1.4 is fixed on above lifting beam 1.3.Elevating mechanism 1.2 can drive about 1.3 lifting beam It moves while crane 1.4 being driven to move up and down, while driving the hanging beam 2.1 for the heating furnace cover 2 connecting with crane 1.4.

If the heating furnace cover 2 of Fig. 3 is by hanging beam 2.1, heating bonnet 2.2, fuel burner nozzle 2.3, casting refractory brick 2.4, heat-insulated Cotton blanket 2.5, smoke evacuation petticoat pipe 2.6.Hanging beam 2.1 is fixed together with heating bonnet 2.2, and fuel burner nozzle 2.3 is placed in heating bonnet 2.2 It links together at the top of inside and heating bonnet 2.2, casting refractory brick 2.4 is mounted on inside heating bonnet 2.2, is covered and is burnt in combustion gas 2.3 outside of mouth, for casting refractory brick 2.4 except combustion front is with the heat-insulated cotton blanket 2.5 of outside place mat, petticoat pipe 2.6 of discharging fume is fixed on heating The feed end 6 of bonnet 2.2.It is placed in inside heating furnace cover 2 by several fuel burner nozzles 2.3 and send combustion gas by gas pipeline system 5 It burns, forms combustion zone and leaf spring 4 is heated, casting refractory brick 2.4 plays heat-insulated work inside heating bonnet 2.2 With heat-insulated cotton blanket 2.5 has thermal insulation function, and petticoat pipe 2.6 of discharging fume is conducive to high-temperature when burning for the setting of two sides intermediate, inclined Exhaust gas from smoke evacuation petticoat pipe 2.6 be discharged.

If the conveying chain mechanism 3 of Fig. 4 is by rack 3.1, transporting chain plate 3.2, heating furnace bottom 3.3, refractory brick 3.4, driven chain Take turns 3.5, drive sprocket 3.6, decelerating motor 3.7.Rack 3.1 fixes on the ground, and drive sprocket 3.6, driven sprocket 3.5 are installed At rack both ends 3.1, transporting chain plate 3.2 is mounted in rack 3.1, is supported by drive sprocket 3.6, driven sprocket 3.5, heating furnace Bottom 3.3 is mounted among transporting chain plate 3.2 and is fixed in rack 3.1, and refractory brick 3.4 is installed inside heating furnace bottom 3.3.Drive chain Wheel 3.6, driven sprocket 3.5 drive transporting chain plate 3.2 to be driven by the transmission of decelerating motor 3.7, fuel burner nozzle in heating furnace cover 2 2.3 burning refractory brick 3.4 heat, and when leaf spring 4 heats, heating furnace bottom 3.3 carries out heat and heat preservation to leaf spring 4.

The gas pipeline system 5 of Fig. 5 by gas inlet pipe 5.1, gas stabilized-pressure valve 5.2, gas ratio valve 5.3, air into Gas blower 5.4, continuous motor valve 5.5, combustion gas main pipeline 5.6, burner subtube 5.7 form.Gas inlet pipe 5.1, combustion Gas pressure maintaining valve 5.2, gas ratio valve 5.3 are connected on a gas pipeline to delivery of fuel gas, and air inlet blower 5.4 connects Continuous motor valve 5.5 forms air intake pipe, and gas pipeline connects with combustion gas main pipeline 5.6 again after connecting with air intake duct It is connected together, combustion gas main pipeline 5.6 connects several burner subtubes 5.7, and burner subtube 5.7 connects with fuel burner nozzle 2.3 again It is connected together.Combustion gas enters gas stabilized-pressure valve 5.2 from gas inlet pipe 5.1, and gas stabilized-pressure valve 5.2 carries out pressure stabilizing to combustion gas, Combustion gas enters back into gas ratio valve 5.3 and mixes with air progress air fuel gas proportion adjustment, and combustion gas enters combustion gas after adjusting and is responsible for Road 5.6；Air enters from air inlet blower 5.4, and continuous motor valve 5.5 makes air constantly enter combustion gas main pipeline 5.6, Combustion gas is entered by combustion gas main pipeline 5.6 to be assigned in burner subtube 5.7, is burnt in fuel burner nozzle 2.3 and is added to leaf spring 4 Heat, gas pipeline system 5 constantly carry out gas stabilized-pressure to more burner centers heating furnace, control air fuel gas ratio, delivery of fuel gas.

A kind of working method of more burner leaf spring centre bore heating furnaces, comprising the following steps:

1) each mechanism installation of heating furnace is in place, starts air inlet blower 5.4 and gas ratio valve 5.3, gas stabilized-pressure valve 5.2 pairs of combustion gas carry out pressure stabilizing, and gas ratio valve 5.3 carries out aeration ratio adjusting to combustion gas and air, firing combustion gas and air Enter burner subtube 5.7 in gas main pipeline 5.6 after mixing, so that the combustion gas at all fuel burner nozzles 2.3 is constantly burnt makes to add Furnace continuous heating；

2) thickness requirement of the leaf spring 4 heated as needed is mounted on lifting beam 1.3 by the control of elevating mechanism 1.2 On crane 1.4 move up and down, while heating furnace cover 2 being driven to move up and down, to adjust the height of heating furnace cover 2, that is, adjusted The height of gas fuel saving burner 2.3；

3) decelerating motor 3.7 is opened, drive sprocket 3.6 is driven and controls the movement of transporting chain plate 3.2, leaf spring 4 is put The feed end 6 in transporting chain plate 3.2 is set, and the interlude of leaf spring 4 is located at the underface of fuel burner nozzle 2.3, decelerating motor 3.7 is controlled The shift position of transporting chain plate 3.2 processed；

4) it is constantly burnt by the combustion gas at fuel burner nozzle 2.3 and 4 interlude of leaf spring is heated, and what is be equipped with pours Refractory brick 2.4, heat-insulated cotton blanket 2.5 all play the role of heat-insulation and heat-preservation, improve heating efficiency, avoid the temperature of other devices excessively high Caused by injure, add thermogenetic exhaust gas by smoke evacuation petticoat pipe 2.6 processing discharge；

5) leaf spring 4 that heating is completed enters the next step by the output of discharge end 7 of transporting chain plate 3.2.

The present invention is not limited to the above-described embodiments, anyone should learn that the structure made under the inspiration of the present invention becomes Change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.

Technology not described in detail in the present invention, shape, construction portion are well-known technique.