CN102925634A - Step furnace production line for quenching and tempering front axle of automobile - Google Patents
Step furnace production line for quenching and tempering front axle of automobile Download PDFInfo
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- CN102925634A CN102925634A CN2012103750299A CN201210375029A CN102925634A CN 102925634 A CN102925634 A CN 102925634A CN 2012103750299 A CN2012103750299 A CN 2012103750299A CN 201210375029 A CN201210375029 A CN 201210375029A CN 102925634 A CN102925634 A CN 102925634A
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Abstract
The invention discloses a step furnace production line for quenching and tempering a front axle of an automobile. The step furnace production line comprises a feeding mechanism, a quenching heating furnace, a quenching device, a tempering furnace, a secondary cooling mechanism and a material dropping platform which are arranged sequentially, wherein the secondary cooling mechanism consists of a cooling trough and a quenching mechanism; the quenching mechanism comprises an auxiliary frame, a trolley and a quenching frame; the trolley is provided with a servomotor connected with a walking gear; the walking gear is matched with a rack; the bottom of the quenching frame is provided with a cooling mechanism material fetching fork; the top of the cooling trough is provided with the material dropping platform; the tempering furnace comprises a furnace shell, a feeding hole, a discharge hole, a tempering heating system, a step machine and a thermocouple; the quenching device consists of a quenching tank and a quenching mechanism; the bottom of the quenching frame is provided with a material fetching fork and a material feeding fork; the top of the quenching tank is provided with a transfer platform; the quenching heating furnace comprises a furnace body, a feeding furnace door, a discharge furnace door, a quenching heating system, a step machine and a thermocouple; and the feeding mechanism consists of a feeding mechanism frame, a feeding trolley and a cylinder.
Description
Technical field
The present invention relates to a kind of tempering product line, relate in particular to a kind of modified walking-beam furnace production line of automobile front axle that carries out.
Background technology
The modified employing push-down of existing automobile front axle automobile front axle tempering product line.
Existing push-down automobile front axle tempering product line comprises: process furnace pushing device, push-down process furnace, quenching transfer machine structure, push-down tempering stove, secondary cooling body, blanking table and electric control system.Its working process is: bin is placed on before the process furnace pushing device on the track, and front axle is placed on the bin; The process furnace pushing device pushes bin and front axle in the process furnace by predetermined tempo and heats; Bin and front axle slip into quenching tank after being pulled to tail track; Quench after the end, the quenching lifting mechanism is carried to front axle on the tempering stove pushing device; The tempering stove pushing device pushes bin and front axle in the temper furnace by predetermined tempo and heats; Bin and front axle slip into the secondary cooling tank after being pulled to tail track; The quenching lifting mechanism is carried to front axle on the blanking table.
Existing push-down automobile front axle tempering product line has following shortcoming:
1, thermo-efficiency is low.Because front axle is placed on the bin, is pushed in the stove together and heats.Bin enters stove at every turn and all will be heated once, absorbs amount of heat.
2, productivity is lower.The push rod furnace furnace superintendent is owing to be subject to pushing away the restriction of steel quantity, and that can not do is oversize.In order to guarantee the front axle heat tracing time, productive temp can not be too short, causes productivity lower.
3, equipment dependability is low.In push-down automobile front axle tempering product line, bin is bearing on the slide rail, and cutting somebody's hair pushes away bin and front axle forward, produces easily in process of production the problems such as arch material.
Summary of the invention
The purpose of this invention is to provide a kind of thermo-efficiency and production efficiency height and equipment dependability high carry out the modified walking-beam furnace production line of automobile front axle.
For addressing the above problem, the technology that the present invention takes is:
A kind of modified walking-beam furnace production line of automobile front axle that carries out comprises the feed mechanism, quenching heating furnace, quenching device, tempering stove and the secondary cooling body that set gradually;
Described secondary cooling body is made of cooling tank and quenching mechanism, the dolly that described quenching mechanism comprises auxiliary framework, be arranged on the auxiliary framework and can move horizontally with respect to auxiliary framework be arranged on dolly on and quenching frame that can relative dolly oscilaltion, be provided with servomotor on the described dolly, servomotor links to each other by the walking gear that transmission rig and rotation are arranged on the dolly, and walking gear cooperates with tooth bar on being fixed on auxiliary framework; Described quenching frame bottom is provided with cooling body feeding fork; Described cooling tank top is provided with blanking table;
Described tempering stove comprises furnace shell, is arranged on opening for feed and the discharge port of furnace shell front and back end, be arranged on tempering heating system, walking machinery and thermopair on the furnace shell, described thermopair working end is arranged on tempering stove inside, and the compensation end of thermopair is connected with the display instrument that is arranged on the tempering stove outside;
Described quenching device is made of quenching tank and quenching mechanism, and side is respectively equipped with feeding fork and feeding finger before and after the quenching frame bottom of described quenching mechanism; Described quenching tank rear side is provided with transfer material platform;
Described quenching heating furnace comprises body of heater, is arranged on charging fire door and the discharging door of body of heater front and back end, be arranged on quenching heating system on the body of heater, be arranged on walking machinery and thermopair in the body of heater, described thermopair working end is arranged on quenching heating furnace inside, and the compensation end of thermopair is connected with the display instrument that is arranged on the quenching heating furnace outside;
Described feed mechanism by the feed mechanism frame, be arranged on the feed mechanism frame and can consist of along the Material feeding trolley of feed mechanism frame tangential movement and the oil cylinder that is arranged on control Material feeding trolley tangential movement on the feed mechanism frame;
Described walking machinery comprises that the furnace bottom outside be arranged in parallel moves horizontally framework and lifting frame, be arranged on the interior walking beam of body of heater and fixed beam, the lifting inclined-plane, described fixed beam is by by the fixed beam upright supports that is arranged on the furnace bottom, on described walking beam is arranged at the bottom of the stepping, at the bottom of the stepping by the walking beam pillar that passes the bottom accretion groove with move horizontally framework and be connected; Described lifting frame is arranged on the lifting inclined-plane by the lifting roller, and the described framework that moves horizontally is arranged on the lifting frame by horizontal roller, described lifting frame be connected framework and connect respectively hoist cylinder and cross cylinder.
Use when the present invention is a kind of to carry out the modified walking-beam furnace production line of automobile front axle, automobile front axle relies on the walking machinery motion to advance in stove, does not need bin, has reduced the thermosteresis of frock, and thermo-efficiency is high; Adopt walking machinery, lengthened furnace superintendent, accelerated productive temp, high productivity; Propons relies on the walking machinery motion to advance in stove, operates steadily, and reliability is high.
As a further improvement on the present invention, described inboard wall of furnace body is provided with furnace lining.The heat loss that furnace lining reduces place, quenching heating furnace furnace wall is set, further improves thermo-efficiency.
As a further improvement on the present invention, described furnace shell inwall is provided with the tempering stove furnace lining.The furnace shell inwall arranges the tempering stove furnace lining, has reduced the heat loss at tempering stove furnace shell place, has further improved thermo-efficiency.
As a further improvement on the present invention, described charging fire door and discharging door top is respectively equipped with control oven door opening and the lifting device of closing.By the opening and closing of lifting device control fire door, reduce the input of manpower, prevent the injury that the high temperature at fire door place causes the people.
As a further improvement on the present invention, be provided with the lifting device that the control discharge port opens and closes above the described discharge port.Further reduce human input, whole production line automation degree is higher.
As a further improvement on the present invention, described lifting device comprise portalframe, be arranged on the portalframe top sprocket wheel, oil cylinder, walk around the chain that the sprocket wheel two ends link to each other with oil cylinder with fire door respectively.Utilize the lifting of the flexible pulling fire door of oil cylinder, mechanism is simple, and it is convenient to install.
As a further improvement on the present invention, be provided with on the furnace shell of described tempering stove and be no less than one blower fan.Blower fan stirs the tempering furnace air, makes more uniform temperature in the stove.
As a further improvement on the present invention, described blower fan comprises motor and the interior fan blade of tempering stove that is arranged on the furnace shell outside, and described fan blade connects by motor-driven rotating shaft.Motor is arranged on outside the tempering stove, prevents that the tempering furnace high-temperature from damaging motor and wire.
As a further improvement on the present invention, be fixed with guide rail at dolly, rotate at quenching frame and be provided with the roller that matches with described guide rail; Be fixed with the driving hydro-cylinder at dolly, the piston rod of hydro-cylinder links to each other with the fixed pulley group, is fixed with running block at quenching frame; One end of the pull wire of pile warp fixed pulley group and running block is fixed on the piston rod, and an end is fixed on the quenching frame.Compare the single-sheaved block transmission, the tackleblock transmission is so that occupation area of equipment is reasonable, and manufacturing cost reduces.
Further improve as of the present invention, the described frame roof that moves horizontally is provided with water sealed tank, described walking beam column is arranged in the water sealed tank, described furnace bottom bottom is provided with the water seal skirtboard, the length of described water seal skirtboard is less than the length of water sealed tank, and described water seal skirtboard submerges in the sealing water in the water sealed tank.This device prevents that the outer freezing air of stove from sucking in the stove, further puies forward high-octane utilization ratio.
In sum, the invention has the beneficial effects as follows: thermo-efficiency and production efficiency height and equipment dependability are high, and human input is few, good work environment.
Description of drawings
Fig. 1 is synoptic diagram of the present invention.
Fig. 2 is the partial schematic diagram of quenching mechanism among Fig. 1.
Fig. 3 is that the P of Fig. 3 is to view.
Fig. 4 is the partial enlarged drawing at B place among Fig. 1.
Fig. 5 is the C-C sectional view among Fig. 5.
Fig. 6 is the partial enlarged drawing at D place among Fig. 1.
Fig. 7 is the synoptic diagram of reflection hoisting appliance.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described further.
To the modified walking-beam furnace production line of automobile front axle that carries out shown in Figure 7, comprise the feed mechanism 1, quenching heating furnace 2, quenching device 3, tempering stove 4 and the secondary cooling body 5 that set gradually such as Fig. 1.
Described secondary cooling body 5 is made of cooling tank 5-1 and quenching mechanism, described quenching mechanism comprises auxiliary framework 7-1, be arranged on the upper and dolly 7-2 that can move horizontally with respect to auxiliary framework 7-1 of auxiliary framework 7-1 and be arranged on upper and the quenching frame 7-4 that can relative dolly 7-2 oscilaltion of dolly 7-2, be provided with servomotor 7-3 on the described dolly 7-2, servomotor 7-3 links to each other by the walking gear 7-5 that transmission rig and rotation are arranged on the dolly 7-2, and walking gear 7-5 cooperates with tooth bar 7-6 on being fixed on auxiliary framework 7-1; 7-2 is fixed with guide rail at dolly, rotates at quenching frame 7-4 and is provided with the roller 7-7 that matches with described guide rail; Be fixed with driving hydro-cylinder 7-8 at dolly 7-2, the piston rod that drives hydro-cylinder links to each other with fixed pulley group 7-10, is fixed with running block 7-9 at quenching frame 7-4; One end of the pull wire of pile warp fixed pulley group 7-10 and running block 7-9 is fixed on the piston rod, and an end is fixed on the quenching frame 7-4; Described quenching frame 7-4 bottom is provided with cooling body feeding fork 5-2; Described cooling tank 5-1 top is provided with blanking table 6.
Described tempering stove 4 comprises furnace shell 4-1, is arranged on opening for feed 4-2 and the discharge port 4-3 of furnace shell 4-1 front and back end, be arranged on tempering heating system 4-4, walking machinery 4-5 and thermopair on the furnace shell 4-1, described thermopair working end is arranged on tempering stove 4 inside, and the compensation end of thermopair is connected with the display instrument that is arranged on tempering stove 4 outsides; Described furnace shell 4-1 inwall is provided with tempering stove furnace lining 4-7; Described discharge port 4-3 top is provided with the lifting device 2-7 that control discharge port 4-3 opens and closes; Be provided with seven blower fan 4-6 on the furnace shell 4-1 of described tempering stove 4, described blower fan 4-6 comprises motor and the interior fan blade of tempering stove that is arranged on furnace shell 4 outsides, and described fan blade connects by motor-driven rotating shaft.
Described quenching device 3 is made of quenching tank 3-1 and quenching mechanism, and side is respectively equipped with feeding fork 3-2 and feeding finger 3-3 before and after the quenching frame 7-4 bottom of described quenching mechanism 7; Described quenching tank 3-1 rear side is provided with transfer material platform 3-4.
Described quenching heating furnace 2 comprises body of heater 2-1, is arranged on charging fire door 2-2 and the discharging door 2-3 of body of heater 2-1 front and back end, be arranged on quenching heating system 2-4 on the body of heater 2-1, be arranged on walking machinery 4-5 and thermopair in the body of heater 2-1, described thermopair working end is arranged on quenching heating furnace 2 inside, and the compensation end of thermopair is connected with the display instrument that is arranged on quenching heating furnace 2 outsides; Described body of heater 2-1 inwall is provided with furnace lining 2-6; The lifting device 2-7 that described charging fire door 2-2 and discharging door 2-3 top are respectively equipped with the control oven door opening and close.
Described feed mechanism 1 by feed mechanism frame 1-1, to be arranged on feed mechanism frame 1-1 upper and can consist of along the Material feeding trolley 1-2 of feed mechanism frame 1-1 tangential movement and the oil cylinder 1-3 that is arranged on the upper control of feed mechanism frame 1-1 Material feeding trolley 1-2 tangential movement.
Described walking machinery 4-5 comprises that the furnace bottom outside be arranged in parallel moves horizontally framework 4-5-1 and lifting frame 4-5-2, be arranged on body of heater interior walking beam 4-5-3 and fixed beam 4-5-4, lifting inclined-plane 4-5-7, described fixed beam 4-5-4 is by being supported by the fixed beam column 4-5-5 that is arranged on the furnace bottom, described walking beam 4-5-3 is arranged at the bottom of the stepping on the 4-5-9, at the bottom of the stepping 4-5-9 by the walking beam pillar 4-5-6 that passes the bottom accretion groove with move horizontally framework 4-5-1 and be connected; Described lifting frame 4-5-2 is arranged on the lifting inclined-plane 4-5-7 by lifting roller 4-5-8, the described framework 4-5-1 that moves horizontally is arranged on the lifting frame 4-5-2 by horizontal roller 4-5-10, described lifting frame 4-5-2 be connected framework 4-5-1 and connect respectively hoist cylinder 4-5-13 and cross cylinder 4-5-14.The described framework 4-5-1 top that moves horizontally is provided with water sealed tank 4-5-11, described walking beam column 4-5-6 is arranged in the water sealed tank 4-5-11, described furnace bottom bottom is provided with water seal skirtboard 4-5-12, the length of described water seal skirtboard 4-5-12 is less than the length of water sealed tank 4-5-11, and described water seal skirtboard 4-5-12 submerges in the sealing water among the water sealed tank 4-5-11.
The algorithm of walking machinery 4-5 is among the present invention: 1. under the effect of hoist cylinder 4-5-13, lifting frame 4-5-2 is mobile at lifting inclined-plane 4-5-7, and drive moves horizontally framework 4-5-10, walking beam column 4-5-6 and walking beam 4-5-3 moves upward, make the height of walking beam 4-5-3 greater than the height of fixed beam 4-5-4, thereby hold up the automobile front axle on the fixed beam 4-5-4; 2. cross cylinder 4-5-14 along continuous straight runs promotes to move horizontally framework 4-5-1, moves horizontally framework 4-5-1 together with walking beam column 4-5-6 and the motion of walking beam 4-5-3 driving automobile propons along continuous straight runs, moves backward through automobile front axle; 3. hoist cylinder 4-5-13 promotes lifting frame 4-5-2, make and move horizontally framework 4-5-10, walking beam column 4-5-6 and walking beam 4-5-3 moves downward, when the height of walking beam 4-5-3 during less than the height of fixed beam 4-5-4, automobile front axle is placed on again on the fixed beam 4-5-4, and this moment, the position of automobile front axle was mobile backward with respect to having realized before being held up; 4. cross cylinder 4-5-14 shrinks, and pulling moves horizontally framework 4-5-1 and moves forward, and drive moves horizontally framework 4-5-10, walking beam column 4-5-6 and walking beam 4-5-3 moves forward, and whole walking machinery 4-5 recovers original state.In the rising that moves horizontally framework 4-5-10, walking beam column 4-5-6 and walking beam 4-5-3-advance-descend-fall back process, realize purpose that automobile front axle is carried backward.
Foregoing lifting device 2-7 comprises portalframe 2-7-1, be arranged on the sprocket wheel 2-7-2 at portalframe 2-7-1 top, oil cylinder 2-7-3, walk around the chain 2-7-4 that sprocket wheel 2-7-2 two ends link to each other with oil cylinder 2-7-3 with fire door respectively.When oven door opening, oil cylinder 2-7-3 piston rod shrinks, and the chain 2-7-4 of sprocket wheel 2-7-2 is walked around in pulling, and fire door is pulled upwardly, and realizes opening of fire door; When fire door was closed, oil cylinder 2-7-3 piston rod was protruding slowly, and this moment, fire door was because closing of fire door realized in the position before the effect of self gravitation moves down and finally recovery is opened.
The present invention carries out the modified walking-beam furnace production line of automobile front axle and electric control system also is set is connected with each controlled plant of production line, is used for the operation etc. of flexible and lifting drive of lifting, the oil cylinder of temperature and heat-up time in the control stove, each lifting device.Described electric control system is comprised of electrical control cubicles, PLC, silicon controlled rectifier, temp controlled meter, registering instrument, rly. and other electrical elements.Electric control system described herein, its mode that is connected with controlled plant, the signal transfer mode is prior art, and not within protection scope of the present invention, therefore it will not go into details.
The working process that the present invention carries out the modified walking-beam furnace production line of automobile front axle is as follows:
Preset the program that to control each several part action and furnace temp by electric control system.
Propons is placed on the Material feeding trolley 1-2 of feed mechanism 1, Material feeding trolley 1-2 under the promotion of oil cylinder 1-3 along feed mechanism frame 1-1 tangential movement before the charging fire door 2-2 of quenching heating furnace 2, charging fire door 2-2 is opened in the lifting device 2-7 control of charging fire door 2-2 top, Material feeding trolley 1-2 delivers to walking machinery 4-5 in the quenching heating furnace 2 with propons, charging fire door 2-2 closes under the control of lifting device 2-7, walking machinery 4-5 with propons from charging fire door 2-2 to discharging door 2-3 transmission, quenching heating system 2-4 heats propons in this process, and the temperature in the quenching heating furnace 2 can be read by thermopair.When propons is heated to the time that electric control system is set in quenching heating furnace 2, discharging door 2-3 is opened in the lifting device 2-7 control of discharging door 2-3 top, the quenching frame 7-4 of quenching device 3 is mobile along auxiliary framework 7-1 to discharging door 2-3 place under the driving of servomotor 7-3, propons is transferred to by quenching heating furnace 2 on the feeding fork 3-2 that is arranged on quenching frame 7-4 bottom, and simultaneously lifting device 2-7 control discharging door 2-3 closes.Quenching mechanism is delivered to propons downwards in the quenching tank 3-1 and is quenched, after finishing, quenching by feeding fork 3-2 propons is placed on the transfer material platform 3-4, by transfer material platform 3-4 transfer, feeding finger 3-3 provokes propons, before delivering to tempering stove 4, walking machinery 4-5 in the tempering stove 4 takes propons away at opening for feed 4-2 place, and quenching mechanism returns to holding fix.Propons enter tempering stove 4 interior after, transmitted by walking machinery 4-5 band trend discharge port 4-3 direction, simultaneously tempering heating system 4-4 heats propons, blower fan is opened, the temperature in the tempering stove 4 are read by thermopair.Treat that propons is sent to discharge port 4-3, discharge port 4-3 is opened in the lifting device 2-7 control of discharge port 4-3 top, the quenching frame 7-4 of secondary cooling body 5 moves to discharge port 4-3, feeding fork 5-2 by quenching frame 7-4 bottom takes out propons, and deliver in the cooling tank 5-1 and cool off, after cooling was finished, feeding fork 5-2 was placed on propons on the blanking table 6, by balance crane front bridge crane is walked again.So far, the modified process of propons is finished.
Claims (10)
1. one kind is carried out the modified walking-beam furnace production line of automobile front axle, it is characterized in that: comprise the feed mechanism (1), quenching heating furnace (2), quenching device (3), tempering stove (4) and the secondary cooling body (5) that set gradually;
Described secondary cooling body (5) is made of cooling tank (5-1) and quenching mechanism, described quenching mechanism comprises auxiliary framework (7-1), be arranged on the upper and dolly (7-2) that can move horizontally with respect to auxiliary framework (7-1) of auxiliary framework (7-1) and be arranged on the upper quenching frame (7-4) that also can relative dolly (7-2) oscilaltion of dolly (7-2), be provided with servomotor (7-3) on the described dolly (7-2), servomotor (7-3) links to each other by the walking gear (7-5) that transmission rig and rotation are arranged on the dolly (7-2), and walking gear (7-5) cooperates with tooth bar (7-6) on being fixed on auxiliary framework (7-1); Described quenching frame (7-4) bottom is provided with cooling body feeding fork (5-2); Described cooling tank (5-1) top is provided with blanking table (6);
Described tempering stove (4) comprises furnace shell (4-1), is arranged on the opening for feed (4-2) and discharge port (4-3) of furnace shell (4-1) front and back end, be arranged on tempering heating system (4-4), walking machinery (4-5) and thermopair on the furnace shell (4-1), described thermopair working end is arranged on tempering stove (4) inside, and the compensation end of thermopair is connected with the display instrument that is arranged on tempering stove (4) outside;
Described quenching device (3) is made of quenching tank (3-1) and quenching mechanism, and side is respectively equipped with feeding fork (3-2) and feeding finger (3-3) before and after quenching frame (7-4) bottom of described quenching mechanism (7); Described quenching tank (3-1) rear side is provided with transfer material platform (3-4);
Described quenching heating furnace (2) comprises body of heater (2-1), is arranged on the charging fire door (2-2) and discharging door (2-3) of body of heater (2-1) front and back end, be arranged on quenching heating system (2-4) on the body of heater (2-1), be arranged on walking machinery (4-5) and thermopair in the body of heater (2-1), described thermopair working end is arranged on quenching heating furnace (2) inside, and the compensation end of thermopair is connected with the display instrument that is arranged on quenching heating furnace (2) outside;
Described feed mechanism (1) by feed mechanism frame (1-1), to be arranged on feed mechanism frame (1-1) upper and can and be arranged on oil cylinder (1-3) formation of the upper control of feed mechanism frame (1-1) Material feeding trolley (1-2) tangential movement along the Material feeding trolley (1-2) of feed mechanism frame (1-1) tangential movement;
Described walking machinery (4-5) comprises that the furnace bottom outside be arranged in parallel move horizontally framework (4-5-1) with lifting frame (4-5-2), be arranged on walking beam (4-5-3) and fixed beam (4-5-4), lifting inclined-plane (4-5-7) in the body of heater, described fixed beam (4-5-4) is by being supported by the fixed beam column (4-5-5) that is arranged on the furnace bottom, described walking beam (4-5-3) is arranged at the bottom of the stepping on (4-5-9), at the bottom of the stepping (4-5-9) by the walking beam pillar (4-5-6) that passes the bottom accretion groove with move horizontally framework (4-5-1) and be connected; Described lifting frame (4-5-2) is arranged on the lifting inclined-plane (4-5-7) by lifting roller (4-5-8), the described framework (4-5-1) that moves horizontally is arranged on the lifting frame (4-5-2) by horizontal roller (4-5-10), described lifting frame (4-5-2) be connected framework (4-5-1) and connect respectively hoist cylinder (4-5-13) and cross cylinder (4-5-14).
2. the modified walking-beam furnace production line of automobile front axle that carries out according to claim 1, it is characterized in that: described body of heater (2-1) inwall is provided with furnace lining (2-6).
3. the modified walking-beam furnace production line of automobile front axle that carries out according to claim 1, it is characterized in that: described furnace shell (4-1) inwall is provided with tempering stove furnace lining (4-7).
4. the modified walking-beam furnace production line of automobile front axle that carries out according to claim 1 is characterized in that: the lifting device (2-7) that described charging fire door (2-2) and discharging door (2-3) top are respectively equipped with the control oven door opening and close.
5. the modified walking-beam furnace production line of automobile front axle that carries out according to claim 1 is characterized in that: be provided with the lifting device (2-7) that control discharge port (4-3) opens and closes above the described discharge port (4-3).
6. it is characterized in that according to claim 4 or the 5 described modified walking-beam furnace production lines of automobile front axle that carry out: described lifting device (2-7) comprises portalframe (2-7-1), is arranged on the sprocket wheel (2-7-2) at portalframe (2-7-1) top, oil cylinder (2-7-3), walk around the chain (2-7-4) that sprocket wheel (2-7-2) two ends link to each other with oil cylinder (2-7-3) with fire door respectively.
7. the modified walking-beam furnace production line of automobile front axle that carries out according to claim 1 is characterized in that: be provided with the blower fan (4-6) that is no less than on the furnace shell (4-1) of described tempering stove (4).
8. the modified walking-beam furnace production line of automobile front axle that carries out according to claim 6 is characterized in that: described blower fan (4-6) comprises the motor that is arranged on furnace shell (4) outside and the fan blade in the tempering stove, and described fan blade connects by motor-driven rotating shaft.
9. the modified walking-beam furnace production line of automobile front axle that carries out according to claim 1, it is characterized in that: (7-2) is fixed with guide rail at dolly, rotates at quenching frame (7-4) and is provided with the roller (7-7) that matches with described guide rail; Be fixed with driving hydro-cylinder (7-8) at dolly (7-2), the piston rod that drives hydro-cylinder links to each other with fixed pulley group (7-10), is fixed with running block (7-9) at quenching frame (7-4); Pile warp fixed pulley group (7-10) is fixed on the piston rod with an end of the pull wire of running block (7-9), and an end is fixed on the quenching frame (7-4).
10. the modified walking-beam furnace production line of automobile front axle that carries out according to claim 1, it is characterized in that: described framework (4-5-1) top that moves horizontally is provided with water sealed tank (4-5-11), described walking beam column (4-5-6) is arranged in the water sealed tank (4-5-11), described furnace bottom bottom is provided with water seal skirtboard (4-5-12), the length of described water seal skirtboard (4-5-12) is less than the length of water sealed tank (4-5-11), and described water seal skirtboard (4-5-12) submerges in the sealing water in the water sealed tank (4-5-11).
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| CN201210375029.9A CN102925634B (en) | 2012-09-29 | 2012-09-29 | Step furnace production line for quenching and tempering front axle of automobile |
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| CN201210375029.9A CN102925634B (en) | 2012-09-29 | 2012-09-29 | Step furnace production line for quenching and tempering front axle of automobile |
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| CN103898306A (en) * | 2013-12-16 | 2014-07-02 | 荆门市东神汽车部件制造有限公司 | Continuous quenched-tempered heat treatment production line of auto semi-axles |
| CN104195300A (en) * | 2014-09-16 | 2014-12-10 | 苏州中门子科技有限公司 | Heat treatment system and heat treatment method for steel tube |
| CN106222374A (en) * | 2016-08-31 | 2016-12-14 | 太原重工股份有限公司 | Variable section workpiece heat treatment system |
| CN114589486A (en) * | 2022-04-02 | 2022-06-07 | 江苏长虹智能装备股份有限公司 | Automobile front axle balance adjusting equipment on automobile flow production line |
| CN115261566A (en) * | 2022-08-01 | 2022-11-01 | 荆江半轴（湖北）有限公司 | Push rod type automobile half shaft continuous hardening and tempering production system and method |
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| CN103614538A (en) * | 2013-12-16 | 2014-03-05 | 苏州中门子科技有限公司 | Dual-layer step-by-step heat treatment production line for aluminum alloy wheel hub |
| CN103627875A (en) * | 2013-12-16 | 2014-03-12 | 苏州中门子科技有限公司 | Multilayer stepping type thermal treatment furnace |
| CN103898306A (en) * | 2013-12-16 | 2014-07-02 | 荆门市东神汽车部件制造有限公司 | Continuous quenched-tempered heat treatment production line of auto semi-axles |
| CN103614538B (en) * | 2013-12-16 | 2015-12-23 | 苏州中门子科技有限公司 | Dual-layer step-by-step heat treatment production line for aluminum alloy wheel hub |
| CN103627875B (en) * | 2013-12-16 | 2015-12-23 | 苏州中门子科技有限公司 | Multilayer stepped start-stop system heat treatment furnace |
| CN104195300A (en) * | 2014-09-16 | 2014-12-10 | 苏州中门子科技有限公司 | Heat treatment system and heat treatment method for steel tube |
| CN104195300B (en) * | 2014-09-16 | 2016-08-24 | 苏州中门子科技有限公司 | The heat treatment system of a kind of steel pipe and method |
| CN106222374A (en) * | 2016-08-31 | 2016-12-14 | 太原重工股份有限公司 | Variable section workpiece heat treatment system |
| CN114589486A (en) * | 2022-04-02 | 2022-06-07 | 江苏长虹智能装备股份有限公司 | Automobile front axle balance adjusting equipment on automobile flow production line |
| CN114589486B (en) * | 2022-04-02 | 2023-01-20 | 江苏长虹智能装备股份有限公司 | Automobile front axle balance adjusting equipment on automobile flow production line |
| CN115261566A (en) * | 2022-08-01 | 2022-11-01 | 荆江半轴（湖北）有限公司 | Push rod type automobile half shaft continuous hardening and tempering production system and method |
| CN115261566B (en) * | 2022-08-01 | 2024-03-29 | 重庆荆江汽车半轴股份有限公司 | Push rod type automobile half shaft continuous tempering production system and method |
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