CN103498037B - Roller bottom type continuous heating furnace for track shoe - Google Patents
Roller bottom type continuous heating furnace for track shoe Download PDFInfo
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- CN103498037B CN103498037B CN201310423379.2A CN201310423379A CN103498037B CN 103498037 B CN103498037 B CN 103498037B CN 201310423379 A CN201310423379 A CN 201310423379A CN 103498037 B CN103498037 B CN 103498037B
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Abstract
The invention provides a roller bottom type continuous heating furnace for a track shoe. The roller bottom type continuous heating furnace for the track shoe comprises a furnace body with a furnace door and a shell, and a feeding machine and a charging machine which are positioned at the two ends of the furnace body, wherein each driving roller of the feeding machine, the discharging machine and a transmission mechanism of the furnace body is provided with at least two guide grooves which enable workpieces to run in a row. The roller bottom type continuous heating furnace for the track shoe is characterized in that each guide groove comprises an inner limiting ring and an outer limiting ring; the outer limiting rings adopt limiting devices, which are used for closing or opening the guide grooves, on the two adjacent driving rollers positioned at the outlet end of a heating part of the furnace body in the furnace body; the roller bottom type continuous heating furnace for the track shoe also comprises detection devices for detecting front end position signals of the workpieces; and the detection devices and the limiting device are arranged sequentially along the running direction of the workpieces, and cooperate to guarantee that the workpieces are output after the front ends of the workpieces are aligned. The heating furnace can guarantee that the left and right workpieces in the same row are discharged from the furnace after being aligned with each other, and provides reliable workpiece position guarantee to the subsequent heat treatment link.
Description
Technical field
The present invention relates to a kind of process furnace, especially a kind of grip-pad roller bottom type continuous furnace.
Background technology
Conventional grip-pad is 135 ~ 228 by the specification that pitch is divided, and plate is wide is 154 ~ 266, and between cog thickness of slab is 7 ~ 17, and the plate of often kind of specification is long is 400-800; Be divided into by profile of tooth: single-tooth track plate and three tooth grip-pads.The specification of visible grip-pad is various in style, therefore, requires that equipment for Heating Processing has very high adaptive faculty, could meet the demand that modern enterprise is produced in enormous quantities.
Grip-pad material is selected mostly: 23MnB, 25MnB, 25CrMnB material, its carbon content low (23MnB surveys carbon content 0.17%), require very high to critical cooling velocity during quenching, quenching process is careless slightly just can there is polyphase structure, easily cause quenching unsuccessfully, cause grip-pad service life reduction, for obtaining full martensitic stucture, each link of coming out of the stove when quenching should reduce the temperature drop of more than crawler belt printed line as far as possible.
The technical requirements of grip-pad: hardness 40-45HRC scope, the linearity long along plate reaches less than 1.5 millimeters, and bolt hole mounting face plane deformation controls below 0.5 millimeter, and martensitic stucture reaches 3-7 level.Adopt common leaching method of quenching to be difficult to reach above-mentioned technical indicator, during production in enormous quantities adopt pressure to quench or roll the method for quenching and process furnace forms production line.
Different from gas furnace, the fire door of resistance furnace is the important indispensable parts reducing overflow gas loss and guarantee heating installation last warm area temperature, and its opening time is more short better.
The working process of grip-pad roller bottom type continuous furnace is: two row or multiple row workpiece slave unit entrance are loaded heating installation, and a wherein tooth of grip-pad is loaded the guide path on live roll, the running of workpiece slave unit entrance exported to equipment by the rolling of live roll, namely the operational process of workpiece is the heat-processed of workpiece.
In workpiece operation and heat-processed, due to the not equal reason of workpiece distortion itself and frictional coefficient, even if ensure that in loading furnace process two row are often organized before and after the same specification workpiece of left and right to align, after workpiece moves to outlet, change before and after its relative position often arranging left and right workpiece also can occur, when causing workpiece to come out of the stove, door opened and the turn-off time is difficult to determine, or fire door falls when causing workpiece all not roll out body of heater, or occur that certain row once rolls out former and later two workpiece, be difficult to ensure that same row's workpiece once aligns roll out, thus cause follow-up pressure equipment of quenching to work, be difficult to control to temperature drop amplitude more than crawler belt printed line simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is exactly for the deficiency existing for prior art, and provide a kind of can ensure left and right with row workpiece once align export grip-pad roller bottom type continuous furnace.
This programme is achieved by the following technical measures: this grip-pad roller bottom type continuous furnace comprise with fire door and casing body of heater and be positioned at charger and the discharging machine at body of heater two ends, heating part in described charger, discharging machine and body of heater is evenly provided with multiple live roll respectively, each live roll is provided with the guide path that at least two make workpiece operation in column, described guide path comprises interior spacing ring and outer spacing ring; Be positioned on adjacent two live rolls of its heating part exit end in body of heater, outer spacing ring adopts the stop means being used for closed or open guidance groove; It also comprises the proofing unit for detecting workpiece front position signal, and proofing unit and stop means set gradually along the traffic direction of workpiece, and both coordinate and ensure that the alignment of workpiece front end exports.
Above-mentioned stop means comprises the positive stop be set on live roll and the reciprocating drive mechanism be connected with positive stop.Drive positive stop horizontal reciprocating fortune fortune by reciprocating drive mechanism, reach object that is closed or open guidance groove, to realize the control being directed through or blocking operation to workpiece, ensure that left and right exports with after row's workpiece alignment.
Above-mentioned stop means comprises the rotation stopper driven by rotary drive mechanism and the back-up block be set on live roll, rotating stopper is arranged between adjacent two live rolls by back-up block support, rotated by rotary actuator driven rotary stopper, stopping that workpiece is to block the operation of workpiece or to make workpiece normally run by rotating stopper, ensureing that left and right exports with after row's workpiece alignment.
Above-mentioned positive stop is sleeved on apart from the 3rd of heating part exit end and the 4th live roll, so both can strengthen the installation strength of positive stop, when ensureing normal use, only adopt a reciprocating drive mechanism that positive stop can be driven along live roll to-and-fro movement, the structure of whole stop means can be simplified, reduce costs.
Above-mentioned back-up block is sleeved on apart from the 3rd of heating part exit end and the 4th live roll, so both can strengthen the installation strength rotating stopper, when ensureing normal use, only adopt a rotary actuator to drive and rotate stopper rotation, the structure of whole stop means can be simplified, reduce costs.
The connecting rod that above-mentioned reciprocating drive mechanism comprises cylinder or hydro-cylinder and is connected with the piston rod of cylinder or hydro-cylinder, positive stop is fixedly connected with connecting rod, and cylinder or hydro-cylinder drive positive stop to-and-fro movement by connecting rod, and this type of drive structure is simple.
Above-mentioned rotary drive mechanism comprises rotary actuator and torsion bar, rotates stopper and is fixedly connected with torsion bar.Rotary actuator passes through torsion bar driven rotary stopper reciprocating rotation, to stop the operation of workpiece or to make workpiece smoothly by this position.
Above-mentioned detection device comprises position and meets and discusses and coupled magnet and the position transducer that is installed on casing, position is met and discussed between adjacent two live rolls, and it is corresponding with the location of workpiece, workpiece run to position meet and discuss place time, meet and discuss with the position of row and the workpiece signal running to this position fed back to position transducer in left and right, position transducer by corresponding information feed back to Controlling System, Controlling System is according to the information of position sensor feedback, control reciprocating drive mechanism or rotary drive mechanism action, ensure that left and right exports with after row's workpiece alignment.
The moment that above-mentioned fire door and stop means are opened, wherein, meet and discuss for left and right n arranges the workpiece in-position that in adjacent workpieces, position is last and make the moment that position transducer has signal to export, for the distance between the medullary ray that positive stop or rotate is met and discussed at one end of stopper and absorption surface and position, for the travelling speed of workpiece, after adopting this control texture, the keying opportunity of fire door can be controlled accurately, make left and right with synchronism output after row's workpiece alignment, shorten the time that workpiece enters subsequent technique link, avoid the temperature drop of more than line to greatest extent, reduce the loss of excessive gas simultaneously.
Above-mentioned positive stop and/or back-up block and live roll are running fit, along the traffic direction of workpiece, the casing in positive stop or back-up block front is provided with the relay block corresponding with positive stop or back-up block, gap is left in the opposite end of positive stop or back-up block and relay block, and this gap is positive stop or the one-sided maximum clearance between back-up block and live roll.This structure formation can ensure when workpiece acts on thrust on positive stop by the one-sided gap shrinks of positive stop and live roll to when being close to zero, positive stop can touch relay block, and by relay block, workpiece thrust is passed to casing, to damage because of stress deformation to prevent live roll or damage.
Along the traffic direction of workpiece, the live roll being positioned at stop means front is provided with front clutch, is positioned on the live roll at proofing unit rear rear clutch coupling is installed in body of heater; Described transmission rig comprises low speed rotation ring, rear clutch ring, intermediate ring, front clutch ring, discharging driving ring and discharging ring; Wherein, low speed rotation ring comprises all live rolls being positioned at rear clutch coupling rear, and for transporting the grip-pad in body of heater, its power is live roll drive speed reducer; Rear clutch ring comprises the rear clutch sprocket of mutually coupling and rear clutch coupling to wheel, rear clutch sprocket and rear clutch coupling are arranged on same live roll, rear clutch coupling is arranged on the adjacent drive roller at this live roll rear, for cutting off or engage the power of low speed rotation ring to wheel; Intermediate ring comprises the live roll between rear clutch coupling and front clutch, and it can realize the joint with low speed rotation ring or discharging ring; Front clutch ring comprises front clutch sprocket wheel and front clutch to wheel, and front clutch sprocket wheel and front clutch are arranged on same live roll, and front clutch is arranged on the adjacent drive roller in this live roll front, for cutting off or engage the power of discharging driving ring to wheel; Discharging driving ring comprises discharging drive speed reducer and discharging machine drive sprocket, provides discharging to drive power; Discharging ring comprises the live roll of excessive sprocket wheel and discharging machine, and excessive sprocket wheel and front clutch are arranged on same live roll wheel.By controlling the joint of rear clutch coupling or front clutch, completing workpiece heat, aliging and process of coming out of the stove.During charging, the live roll in the heating part of charger, body of heater and discharging machine all runs by the speed of low speed rotation ring; During discharging, rear clutch coupling power-off departs from, front clutch energising adhesive, and the live roll between discharging machine and front and back clutch coupling becomes high-speed cruising, and body of heater is sent to subsequent processing with row's workpiece in the left and right of having been alignd body of heater heating part; When workpiece disengaging configuration is met and discussed, position transducer loss signal, fire door time-delay closing, rear clutch coupling energising adhesive, front clutch power-off departs from, and completes a discharging process, and so forth, completes the heating discharging process of workpiece.
The beneficial effect of this programme can be learnt according to describing of such scheme, in this grip-pad roller bottom type continuous furnace, guide path comprises interior spacing ring and outer spacing ring, wherein, be positioned on adjacent two live rolls of its heating part exit end in body of heater, outer spacing ring adopts the stop means being used for closed or open guidance groove, control passing through of workpiece by stop means and stop, namely the position of the interior spacing ring of this guide path immobilizes, the stop means that outer spacing ring position is adjustable replaces, the width of this guide path is regulated by the position of regulation limiting device, be blocked to make the operation passage of this row workpiece or keep clear.It also comprises the proofing unit for detecting workpiece front position signal, proofing unit and stop means set gradually along the traffic direction of workpiece, detected by proofing unit and determine arrive the moment of corresponding proofing unit with position workpiece rearward in row's workpiece and count, this proofing unit by corresponding information feed back to Controlling System, Controlling System with this moment for benchmark, by the program set in advance, the accurate start-up time controlling fire door and stop means, makes workpiece front end align and exports.This process furnace can ensure to come out of the stove with after row's workpiece alignment in left and right, for subsequent heat treatment link provides reliable location of workpiece guarantee, and accurately can control the keying opportunity of fire door, shorten the time that workpiece enters subsequent technique link, avoid the temperature drop of more than line to greatest extent, reduce the loss of excessive gas simultaneously.As can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the specific embodiment of the invention.
Fig. 2 is the plan structure schematic diagram of the specific embodiment of the invention.
Fig. 3 is drive mechanism schematic diagram of the present invention.
Fig. 4 is the mounting structure schematic diagram of rotary actuator.
In figure, 1 is charger, 2 is body of heater, 3 is live roll, 4 is radiator tube, 5 is thermopair, 6 for meeting and discussing position, 7 is positive stop, 8 is relay block, 9 is discharging machine, 10 is discharging drive speed reducer, 11 is live roll drive speed reducer, 12 is fire door, 13 is furnacing door lifting mechanism, 14 for rotating stopper, 15 is torsion bar, 16 is rotary actuator, 17 is support, 18 is position transducer, 19 is workpiece, 20 is roller sprocket wheel, 21 is that rear clutch coupling is to wheel, 22 is rear clutch sprocket, 23 is rear clutch coupling, 24 is connecting rod, 25 is cylinder, 26 is front clutch, 27 is front clutch sprocket wheel, 28 is that front clutch is to wheel, 29 is excessive sprocket wheel, 30 is discharging machine roller sprocket wheel, 31 is discharging machine drive sprocket, 32 is low speed rotation ring, 33 is front clutch ring, 34 is intermediate ring, 35 is rear clutch ring, 36 is discharging driving ring, 37 is discharging ring, 38 is bearing, 39 is back-up block, 40 is guide path, 41 is outer spacing ring, 42 is interior spacing ring.
Embodiment
For the technical characterstic of this programme can be clearly demonstrated, below by embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
A kind of grip-pad roller bottom type continuous furnace, as shown in the figure, it comprise with fire door 12 and casing body of heater 2 and be positioned at charger 1 and the discharging machine 9 at body of heater 2 two ends, in described charger 1, discharging machine 9 and body of heater 2 transmission rig each live roll 3 on be provided with the guide path 40 that at least two make workpiece 19 operation in column.Described guide path 40 comprises interior spacing ring 42 and outer spacing ring 41.Wherein, be positioned on adjacent 2 live rolls 3 of its heating part exit end in body of heater 2, outer spacing ring 41 adopts the stop means being used for closed or open guidance groove 40; It also comprises the proofing unit for detecting workpiece 19 front position signal, and proofing unit and stop means set gradually along the traffic direction of workpiece 19, and both coordinate and ensure that the alignment of workpiece 19 front end exports.
Wherein, stop means can adopt the following two kinds structure formation:
(1) stop means comprises the positive stop 7 be set on live roll 3 and the reciprocating drive mechanism be connected with positive stop 7, the connecting rod 24 that reciprocating drive mechanism comprises cylinder 25 or hydro-cylinder and is connected with the piston rod of cylinder 25 or hydro-cylinder, positive stop 7 is fixedly connected with connecting rod 24, preferred positive stop 7 is sleeved on apart from the 3rd of heating part exit end and the 4th live roll 3, and the zero position of positive stop 7 is by the position of the operation carrier frequency channel break of its column workpiece 19.Controlling System is according to position transducer 18 feedack received, judge according to its pre-set programs, until left and right is with after the alignment of row's workpiece 19, cylinder 25 or hydro-cylinder is just made to drive positive stop 7 outwards to withdraw from, remove the stop with row's workpiece 19, meanwhile, Controlling System controls fire door 12 and opens, alignd with row's workpiece 19 in left and right to export, and so forth.This structure formation rigidity is large, is suitable for large template workpiece.
(2) stop means comprises the rotation stopper 14 driven by rotary drive mechanism and the back-up block 39 be set on live roll 3, rotate stopper 14 to be supported by back-up block 39 and be arranged between adjacent two live rolls 3, preferred back-up block 39 is sleeved on apart from the 3rd of heating part exit end and the 4th live roll 3.Rotary drive mechanism comprises rotary actuator 16 and torsion bar 15, rotates stopper 14 and is fixedly connected with torsion bar 15.The zero position rotating stopper 14 is by the position of the operation carrier frequency channel break of its column workpiece 19.Controlling System is according to position transducer 18 feedack received, judge according to its pre-set programs, until left and right is with after the alignment of row's workpiece 19, Controlling System controls fire door 12 and opens, rotary actuator 16 drives and rotates stopper 14 oppositely return simultaneously, alignd with row's workpiece 19 in left and right to export, and so forth.Because the rigidity of torsion bar 15 is low, this structure formation is suitable for little template workpiece, avoids structure one and opens at positive stop 7 moment that workpiece runs passage, easily workpiece 19 less for quality is taken out of the drawback of guide path 40.
Proofing unit comprises position and to meet and discuss 6 and coupled magnet and the position transducer 18 that is installed on casing, and position meets and discusses 6 between adjacent two live rolls 3, and corresponding with workpiece 19 position.Workpiece 19 can touch position when running to this position and meet and discuss 6, position meets and discusses 6 by union lever drive magnet rotors trigger position signal, this position signal is fed back to Controlling System by position transducer 18, Controlling System can record with in row's workpiece successively touch location meet and discuss the moment of 6, and finally to touch the moment for benchmark, according to time variable control fire door 12 built-in in advance and positive stop 7 or the unlatching rotating stopper 14.
The moment that fire door 12 and stop means are opened, wherein, 6 and make the moment that position transducer 18 has signal to export are met and discussed for left and right n arranges position is last in adjacent workpieces 19 workpiece in-position, for positive stop 7 or rotate one end of contacting with workpiece 19 of stopper 14 and position meet and discuss 6 medullary ray between distance, be the travelling speed of workpiece 19.After adopting this control form, the start-up time of fire door 12 and positive stop 7 or rotation stopper 14 can be controlled accurately, guarantee that left and right exports with after row's workpiece alignment again.
Positive stop 7 or back-up block 39 are running fit with live roll 3, along the traffic direction of workpiece 19, the casing in positive stop 7 or back-up block 39 front is provided with the relay block 8 corresponding with positive stop 7 or back-up block 39, positive stop 7 or back-up block 39 leave gap with the opposite end of relay block 8, and this gap is positive stop 7 or the one-sided maximum clearance between back-up block 39 and live roll 3, this gap is between 6-8 millimeter, when workpiece 19 acts on positive stop 7 or rotates thrust in stopper 14 by the one-sided gap shrinks of positive stop 7 or back-up block 39 and live roll 3 to when being close to zero, positive stop 7 or back-up block 39 can touch relay block 8, and by relay block 8, the thrust of workpiece 19 is passed to casing, prevent live roll 3 from damaging because of stress deformation or damaging.
Along the traffic direction of workpiece 19, the live roll 3 being positioned at stop means front is provided with front clutch 26, is positioned on the live roll 3 at proofing unit rear rear clutch coupling 23 is installed in body of heater 2.Above-mentioned transmission rig comprises low speed rotation ring 32, rear clutch ring 33, intermediate ring 34, front clutch ring 35, discharging driving ring 36 and discharging ring 37.Wherein, low speed rotation ring 32 comprise be arranged in rear clutch coupling 23 rear live roll 3(namely: body of heater 2 is positioned at whole stove live roll 3 at rear clutch coupling 23 rear and the live roll 3 of charger 1), for transporting workpiece 19(in body of heater 2 and grip-pad), the driving power of these live rolls 3 is live roll drive speed reducer 11; Rear clutch ring 33 comprises the mutual rear clutch sprocket 22 mated with rear clutch coupling to wheel 21, rear clutch sprocket 22 is arranged on same live roll 3 with rear clutch coupling 23, rear clutch coupling is arranged on the adjacent drive roller at this live roll 3 rear to wheel 21, rear clutch sprocket 22 can engage or be separated wheel 21 with rear clutch coupling, for engaging or cut off the power of low speed rotation ring 32; Intermediate ring 34 comprises the live roll 3 between rear clutch coupling 23 and front clutch 26, and it can realize the joint with low speed rotation ring 32 or discharging ring 37 by rear clutch ring 33 or front clutch ring 35; Front clutch ring 35 comprises front clutch sprocket wheel 27 and front clutch to wheel 28, front clutch sprocket wheel 27 and front clutch 26 are arranged on same live roll 3, front clutch is arranged on the adjacent drive roller in this live roll 3 front to wheel 28, front clutch sprocket wheel 27 can engage or be separated wheel 28 with front clutch, for engaging or cut off the power of discharging driving ring 36; Discharging driving ring 36 comprises discharging drive speed reducer 10 and discharging machine drive sprocket 31; Discharging ring 37 comprises the live roll 3 of excessive sprocket wheel 29 and discharging machine 9, and excessive sprocket wheel 29 is arranged on same live roll 3 wheel 28 with front clutch.
Below with along live roll 3 arranged transversely two row workpiece 19, left and right two stop means all adopts cylinder 25 to drive, and is positioned at workpiece 19 position on right side forward along the traffic direction of workpiece 19 to be example, the working process of this process furnace is described.
The live roll 3 being provided with positive stop 7 is crossed refractory wall and is installed on equipment shell, and to rotate down outside powered belt is dynamic.Right cylinder 25 is fixed on equipment shell by web member, and left hand cylinder 25 is installed on the spindle nose of two live rolls 3 by support 17, to adapt to live roll 3 anamorphic stretching at high temperature.The pitch-row of two open holess of support 17 is identical with the roll spacing of live roll 3, and be provided with bearing 38 in a hole and be installed on the spindle nose of live roll 3, another boring ratio installs large 2 ~ 3 millimeters of axle journal, and in sliding mode on the axle journal being enclosed within live roll 3, the axle head runout error caused with the installation error and live roll 3 thermal distortion that adapt to adjacent two live rolls 3.
Starting outfit, rear clutch coupling 23 is energized adhesive, front clutch 26 power-off is thrown off, the heating part of charger 1, body of heater 2 and the live roll 3 of discharging machine 9 are all by low cruise, the object that the live roll 3 of discharging machine 9 now runs prevents stokehold live roll 3 to be out of shape owing to being heated irregular, charging after equipment to temperature.When two row workpiece 19 operate to outlet from body of heater 2 entrance by live roll 3, if often the front and back of group left and right two workpiece 19 are uneven, if the alternate position spike of two workpiece 19 front portions is, then first the forward workpiece 19 in right side will touch right positions and meet and discuss 6, position meet and discuss 6 will be with moving magnet rotate and trigger position sensor 18, when right positions sensor 18 has signal to export, the program record now moment, after this two workpiece 19 continue to move ahead, when the posterior workpiece 19 in left side touch leftward position meet and discuss 6 and make leftward position sensor 18 have signal to export time, this moment of program record, now, the then moment of fire door 12 and positive stop 7 or the unlatching of rotation stopper 14.In formula, for positive stop 7 or rotate one end of contacting with workpiece 19 of stopper 14 and position meet and discuss 6 medullary ray between distance, determined by scantlings of the structure; For the travelling speed of workpiece 19, be directly proportional to the frequency of variable-frequency motor.
After the time delay moment, when before design temperature scope or fire door 12, equipment does not break down and does not complete online task warm area furnace temperature before fire door 12, the live roll 3 of charger 1 and body of heater 2 heating part performs the pulsed sequence of reverse forward running, until condition meets, rear clutch coupling 23 power-off departs from, front clutch 26 is energized and engages, and discharging machine 9 live roll becomes high-speed cruising, and body of heater 2 to subsequent processing is sent with row's two workpiece 19 in the left and right of having alignd.When workpiece 19 disengaging configuration meet and discuss 6 time, position transducer 18 loss signal, close (in formula: the roll spacing being two adjacent live rolls 3 after fire door 12 time delay, for workpiece 19 afterbody disengaging configuration is met and discussed after 6, when crossing fire door 12 the distance of process, the travelling speed of coming out of the stove (>) for workpiece 19), rear clutch coupling 23 is energized adhesive, front clutch 26 power-off departs from, and completes a discharging process, and so forth.
The grip-pad shorter to length, for avoiding rear row's workpiece 19 when front-seat workpiece is in positive stop 7 or rotates stopper 14 spacing state, rear row's grip-pad length crosses the live roll 3 at rear clutch coupling 23 place, when preventing workpiece 19 from sending fast, rear row's workpiece 19 is taken out of (now, clutch coupling 23 place live roll 3 is high speed roller), two kinds of methods can be adopted to solve, first method is: by adjusting the front and back position of rear clutch coupling 23, by long for the plate being set to be less than the shortest grip-pad, second method is when filling with substance, distance between the stem (or afterbody) of front and back two workpiece 19 is set to be greater than, wherein, for the center of rear clutch coupling 23 and positive stop 7 or rotate in stopper 14 and distance between workpiece 19 contact surface.If the plate of grip-pad grow up in, then without any requirement to same specification grip-pad when filling with substance.
This process furnace tool has the following advantages:
1, can ensure to come out of the stove, for subsequent heat treatment link provides reliable location of workpiece guarantee after aliging with row's workpiece 19 in left and right;
2, accurately can control the keying opportunity of fire door 12, shorten the time that workpiece 19 enters subsequent technique link, avoid the temperature drop of more than line to greatest extent, reduce the loss of excessive gas simultaneously;
3, there is very high adaptive faculty, require low to the charging of grip-pad, the scale operation needs of the grip-pad of common specification and model can be met.
Can pass through without the technical characteristic described in the present invention or adopt existing techniques in realizing; do not repeat them here; certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned embodiment; the change that those of ordinary skill in the art makes in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (6)
1. a grip-pad roller bottom type continuous furnace, it comprise with fire door and casing body of heater and be positioned at charger and the discharging machine at body of heater two ends, in described charger, discharging machine and body of heater transmission rig each live roll on be provided with the guide path that at least two make workpiece operation in column, it is characterized in that: described guide path comprises interior spacing ring and outer spacing ring; Be positioned on adjacent two live rolls of its heating part exit end in body of heater, outer spacing ring adopts the stop means being used for closed or open guidance groove; It also comprises the proofing unit for detecting workpiece front position signal, and proofing unit and stop means set gradually along the traffic direction of workpiece, and both coordinate and ensure that the alignment of workpiece front end exports; Described stop means comprises the positive stop be set on live roll and the reciprocating drive mechanism be connected with positive stop; Described stop means comprises the rotation stopper driven by rotary drive mechanism and the back-up block be set on live roll, rotates stopper and is arranged between adjacent two live rolls by back-up block support; Along the traffic direction of workpiece, the live roll being positioned at stop means front is provided with front clutch, is positioned on the live roll at proofing unit rear rear clutch coupling is installed in body of heater; Described transmission rig comprises low speed rotation ring, rear clutch ring, intermediate ring, front clutch ring, discharging driving ring and discharging ring; Wherein, low speed rotation ring comprises the live roll being positioned at rear clutch coupling rear; The rear clutch sprocket that rear clutch ring comprises mutually coupling is with rear clutch coupling to wheel, and rear clutch sprocket and rear clutch coupling are arranged on same live roll, and rear clutch coupling is arranged on the adjacent drive roller at this live roll rear to taking turns; Intermediate ring comprises the live roll between rear clutch coupling and front clutch; Front clutch ring comprises front clutch sprocket wheel and front clutch to wheel, and front clutch sprocket wheel and front clutch are arranged on same live roll, and front clutch is arranged on the adjacent drive roller in this live roll front to wheel; Discharging driving ring comprises discharging drive speed reducer and discharging machine drive sprocket; Discharging ring comprises the live roll of excessive sprocket wheel and discharging machine, and excessive sprocket wheel and front clutch are arranged on same live roll wheel.
2. grip-pad roller bottom type continuous furnace according to claim 1, it is characterized in that: described positive stop is sleeved on apart from the 3rd of heating part exit end and the 4th live roll, described back-up block is sleeved on the 3rd of distance heating part exit end and the 4th live roll.
3. grip-pad roller bottom type continuous furnace according to claim 1, is characterized in that: the connecting rod that described reciprocating drive mechanism comprises cylinder or hydro-cylinder and is connected with the piston rod of cylinder or hydro-cylinder, and positive stop is fixedly connected with connecting rod.
4. grip-pad roller bottom type continuous furnace according to claim 1, is characterized in that: described rotary drive mechanism comprises rotary actuator and torsion bar, rotates stopper and is fixedly connected with torsion bar.
5. grip-pad roller bottom type continuous furnace according to claim 1, it is characterized in that: described proofing unit comprises position and meets and discusses and coupled magnet and the position transducer that is installed on casing, meet and discuss between adjacent two live rolls in position, and corresponding with the location of workpiece.
6. grip-pad roller bottom type continuous furnace according to claim 1, it is characterized in that: described positive stop and/or back-up block and live roll are running fit, along the traffic direction of workpiece, the casing in positive stop or back-up block front is provided with the relay block corresponding with positive stop or back-up block, gap is left in the opposite end of positive stop or back-up block and relay block, and this gap is positive stop or the one-sided maximum clearance between back-up block and live roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423379.2A CN103498037B (en) | 2013-09-17 | 2013-09-17 | Roller bottom type continuous heating furnace for track shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423379.2A CN103498037B (en) | 2013-09-17 | 2013-09-17 | Roller bottom type continuous heating furnace for track shoe |
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| Publication Number | Publication Date |
|---|---|
| CN103498037A CN103498037A (en) | 2014-01-08 |
| CN103498037B true CN103498037B (en) | 2015-06-17 |
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| CN201310423379.2A Expired - Fee Related CN103498037B (en) | 2013-09-17 | 2013-09-17 | Roller bottom type continuous heating furnace for track shoe |
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| CN202279509U (en) * | 2011-10-11 | 2012-06-20 | 无锡市福曼科技有限公司 | Manual turnover type barrier structure of roller table |
| CN202509110U (en) * | 2012-03-27 | 2012-10-31 | 黑旋风锯业股份有限公司 | Continuous quenching discharge double-workpiece synchronizing mechanism |
| CN202953537U (en) * | 2012-12-05 | 2013-05-29 | 南京钢铁股份有限公司 | Steel plate production line moving baffle plate device |
| CN203530375U (en) * | 2013-09-17 | 2014-04-09 | 山东建筑大学 | Track shoe roller-hearth type continuous heating furnace |
-
2013
- 2013-09-17 CN CN201310423379.2A patent/CN103498037B/en not_active Expired - Fee Related
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| CN103498037A (en) | 2014-01-08 |
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