CN202359162U - Quench machining tool for axle tube - Google Patents

Quench machining tool for axle tube Download PDF

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Publication number
CN202359162U
CN202359162U CN2011204622142U CN201120462214U CN202359162U CN 202359162 U CN202359162 U CN 202359162U CN 2011204622142 U CN2011204622142 U CN 2011204622142U CN 201120462214 U CN201120462214 U CN 201120462214U CN 202359162 U CN202359162 U CN 202359162U
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water
axletree
clamping
quench
roller road
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Expired - Fee Related
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CN2011204622142U
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Chinese (zh)
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姚强
秦佩
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Individual
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Individual
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Abstract

The utility model provides a quench machining tool for an axle tube to solve the technical problems in the background technologies. The quench machining tool comprises a clamping rotation mechanism, an external sprinkling system and an internal spraying system, which are arranged at a water quench station, wherein the clamping rotating mechanism is provided with clamping heads which are arranged at two ends of an axle tube workpiece, the clamping heads are powered by a pressure device and perform clamping, axial tension or releasing operation on the axle tube workpiece; in the clamping rotating mechanism, a speed regulation motor is adopted to drive a drive shaft and a chain wheel and a chain are used to drive the clamping heads so as to clamp the axle tube workpiece for coaxial rotation. When used for water quench, the quench machining tool has the following advantages: quench martensite quantity is obviously more than that of a water quench device in prior art; the hardness is uniform and consistent in length direction where wall thickness is even; and after quenching, bending degree is not larger than that of the water quench device in prior art. After being tempered at proper process parameters, a uniform tempered sorbite structure is obtained and the property is far higher than that obtained by use of a quench process method in prior art.

Description

Axletree pipe quenching machine
Technical field
The utility model relates to axletree pipe heat treatment technics, is specifically related to a kind of axletree pipe quenching machine.
Background technology
Traditional axletree pipe quenching mode is very simple, is that the red heat workpiece is put on the roller-way, and is horizontal, oblique or vertically put into water cooling and quench, and has a lot of shortcomings, can not satisfy request for utilization at all.
The ununiformity of quenching is very big, very inhomogeneous in the difference in hardness that reaches on the surfaces externally and internally on the total length direction of workpiece.
The inner cooling intensity of axletree pipe is not enough, quenches sometimes at all and does not get angry.
Above shortcoming has a strong impact on its fatigue strength and work-ing life.
The utility model content
The utility model provides a kind of axletree pipe quenching machine, to solve the technical problem that background technology exists.
The technical scheme of the utility model is following:
A kind of axletree pipe quenching machine, comprise the furnace delivery table that links to each other with process furnace, link to each other with tempering stove go into the furnace roller road, be arranged on furnace delivery table and go into the quenching device between the furnace roller road;
The upset control damping roller road swivel arrangement that said quenching device comprises upset control damping roller road, tilt in order to the control damping roller road rotation of will overturn, with the axletree pipe turn to from upset control damping roller road quench station Hui Sidun mechanism, be arranged on outer trickle screen mechanism above the quench station, be arranged on the clamping rotating mechanism and the interior spray system of quench station horizontal direction both sides;
The two ends in said upset control damping roller road respectively with furnace delivery table with go into the furnace roller road and join;
Said clamping rotating mechanism comprises clamping head and the corresponding clamping head swivel arrangement and the clamping head feeding device of two hollows; The two ends of said clamping head link to each other with discharging device with the water feed apparatus of interior spray system respectively, and high pressure water is sprayed into the axletree pipe orifice, flowed out through discharging device by water feed apparatus.
Above-mentioned outer trickle screen mechanism can adopt this form: comprise that the water tank, water eliminator and the top that continue to supply water have the catchment covers of long gap, water tank overflow forms water curtain outer trickle is provided, and water eliminator is arranged at axletree plumber part top in order to adjustment water curtain position; Said long gap is consistent with the shrend position of center line, and catchment covers makes water curtain drench on axletree plumber part through said long gap between water eliminator and axletree plumber part.
Above-mentioned clamping head can be to provide power to realize that clamping, axial tension to axletree plumber part perhaps get loose by pneumatic shuttle, and the clamping head swivel arrangement adopts buncher to drive transmission shaft and drives clamping head clamping axletree plumber part coaxial rotation through the sprocket chain bar again.
The preferred ac variable frequency speed regulation reducing motor of above-mentioned buncher.
The spray system preferably continues to supply water in above-mentioned; Interior spray system is divided into main road and bypass; Wherein, the water route at axletree pipe orifice place is as the main road of interior spray system, and said bypass is avoided the axletree pipe in order to the current that continue to supply water intermittently the time in interior spray and is back to back pool outside the workshop.
The water tank of above-mentioned outer trickle screen mechanism can be made up of inlet chest, steady tank and spilling water groove, and the water yield is adjustable; Outer trickle screen mechanism comprises that also the water transfer plate forms uniform water curtain with the regulating tank overflow and timing is drenched on the workpiece exactly.
The two ends in above-mentioned upset control damping roller road can be provided with the adjustable positioning baffle in order to spacing axletree pipe.
Above-mentioned upset control damping roller road swivel arrangement also comprises the positioning baffle with holes of landing when preventing that the axletree pipe from tilting.
The utlity model has following advantage:
(1) the quenched martensite amount level of obviously quenching more than present granulating unit;
(2) consistent along even hardness on the uniform length of thickness of steel pipe;
(3) quenching palintrope curvature is not more than the level that present granulating unit quenches;
After the tempering of suitable processing parameter, obtain uniform tempered sorbite tissue, performance is higher than former quenching process far away.
Description of drawings
Fig. 1 is the axletree pipe heat treatment system structural representation of the utility model.
Fig. 2 is the sectional view (the stroke signal of Hui Sidun mechanism) of A-A among Fig. 1.
Fig. 3 is the sectional view (structural representation of granulating unit) of B-B among Fig. 1.
The drawing reference numeral explanation:
1-axletree pipe (workpiece); 2-clamping rotating mechanism; 21, the clamping head at 22-two ends; 3-Hui Sidun mechanism; 4-axletree pipe turnover station/upset control water conservancy project position; 5-(shrend) station that quenches; 6-axletree pipe running station; 7-upset control damping roller road; The 8-water eliminator; The 9-water tank; The 10-water curtain; 11-ground; The 12-back pool.
Embodiment
The axletree pipe heat treatment system of the utility model comprises following components.
(1) furnace delivery table and upset control damping roller road:
The same absolute altitude of discharging roller-way in furnace delivery table and upset control damping roller road and the heating-furnace adopts existing type of drive and zero spare part size.The red heat workpiece runs to upset control 7 appropriate locations, damping roller road from furnace delivery table and stops adjustable positions from process furnace about 900 ℃ of the temperature of coming out.The closed position of axletree pipe on upset control damping roller road 7 is the centering position of quenching device longitudinal cenlerline, and positive and negative deviation is no more than 20 millimeters, to guarantee the accurate location of subsequent handling, is provided with the positioning baffle of adjustable position at the terminal of roller-way.The adjustment of the closed position of workpiece can realize through the position of adjustment positioning baffle.When changing the description of product,, need the position of the positioning baffle on the adjustment roller-way, can stop at the centering position of granulating unit longitudinal cenlerline to guarantee workpiece because Workpiece length changes.Workpiece is delivered to the shrend station and is carried out shrend afterwards.Send back to upset control damping roller road by Hui Sidun mechanism again after the shrend.
After the workpiece after the shrend turns back to upset control damping roller road again; Hui Sidun mechanism is rotated further with the workpiece disengagement and withdraws from; Upset control damping roller road begins turning about miter angle under the driving of cylinder; The roller-way low side has positioning baffle with holes, workpiece is blocked prevent in its landing water, and the water in the workpiece can flow out from the hole of baffle plate.Control water is after about 10 seconds, and the roller-way revolution is set level, and workpiece is sent into tempering stove from upset control damping roller road go into the furnace roller road.
(2) Hui Sidun mechanism:
The red heat workpiece is after upset control damping roller road comes to a complete stop; Hui Sidun mechanism feed motion; The shrend station is delivered in the workpiece picking-up to be stopped; Hui Sidun mechanism distribution transforming speed governing frequently reducing motor, frequency conversion is adjustable to have realized delay, fall slowly, shift soon to reduce and impact and shake, and the while can also be adjusted transport velocity to adapt to the variation of rhythm of production.Hui Sidun mechanism requires its closed position accurate, and particularly at the shrend station, the upper-lower position deviation of workpiece can not be above 5 millimeters; Therefore Hui Sidun mechanism also is furnished with photoelectric encoder; Accurate to guarantee its closed position, its closed position can be adjusted setting in automatic control system, when changing the description of product; Because the cross-sectional shape size of the interlude of workpiece and thickness are different; What the pivoted arm V-type mouth of Hui Sidun mechanism was held is the interlude of axletree pipe, so the height of center of workpiece on the V-type mouth can change, and promptly deviation can take place the height location at the shrend station; At this moment can adjust the height location of workpiece at the closed position of shrend station through adjustment Hui Sidun mechanism, accurately stop on the shrend medullary ray to guarantee it at the shrend station.Hui Sidun mechanism holds up workpiece and delivers to the shrend station and stopping, and piece-holder is lived in the clamping rotating mechanism feeding at shrend station two ends, and Hui Sidun mechanism is rotated further with workpiece throws off, and stops at lowest point and waits for the next working cycle of entering.
Workpiece stops operating after shrend finishes, and at this moment advances the feed reversing action of Hui Sidun mechanism, and the workpiece after the shrend is held; The clamping rotating mechanism at two ends moves once more, throws off with workpiece and withdraws from, and Hui Sidun mechanism is rotated further; The workpiece picking-up is sent back to upset control damping roller road
(3) quenching device:
Shrend is to adopt specific mechanism that the clamping of workpiece two ends, rotation and axial tension are reached outer pouring, interior spray.Outer design of drenching with interior spray system is the core of granulating unit.The water tank 9 of outer pouring system is made up of inlet chest, steady tank and spilling water groove, intermittent water application, and the flow of water is adjustable.Interior spray system adopts the centre hole ejection high pressure water of clamping rotating mechanism, and the interior spray pressure and the water yield are adjustable, both have been suitable for the central siphon of different size.Interior spray waterworks is made up of main road and bypass, and water by-passing when not spraying can be realized quick closedown, the function of opening fast, guarantees central siphon through hardening quality.
After Hui Sidun mechanism delivers to workpiece the shrend station and stops; The clamping rotating mechanism feeding at shrend station two ends; Piece-holder is lived, and Hui Sidun mechanism is rotated further with the workpiece disengagement and withdraws from, and the clamping rotating mechanism drives Workpiece Rotating and gives the certain axial tension tension force of workpiece; Simultaneously the top catchment covers falls workpiece is covered, and thrust, holding force, tensile stress and the speed of rotation of clamping rotating mechanism during to the workpiece feeding is adjustable.After rotation reaches certain speed; Top water eliminator 8 is removed; Water curtain drops to the shrend position of center line, falls through the catchment covers top long gap of intermediary to begin shrend on the rotational workpieces, and the centre hole of the clamping rotating mechanism of a side begins to axletree pipe orifice spray high pressure water simultaneously; Through the centre hole ejection of the clamping rotating mechanism of opposite side, and be back to back pool outside the workshop.Stop behind the spray certain hour (no longer than 20 seconds) in outer the pouring, its temperature drops to below 200 ℃, and workpiece slows down gradually and stops operating; Stop to specifying circumferential position, at this moment top water curtain stops, and water eliminator moves closes; Catchment covers above the workpiece is pulled upwardly, and central siphon is held in discharging Hui Sidun mechanism feeding afterwards; The clamping rotating mechanism at two ends moves with the disengagement of axletree pipe once more and withdraws from simultaneously, and discharging Hui Sidun mechanism plays the axletree conduit saddle and delivering to upset control damping roller road afterwards.
The clamping rotating mechanism is arranged at the workpiece two ends, can be moved axially the clamping or the axletree pipe that gets loose; Give certain axial tension tension force behind the clamping workpiece, more than the pneumatic shuttle realization is all passed through in action.The clamping rotating mechanism also can drive workpiece and rotate, and the axletree pipe drives the clamping device rotation at two ends through an ac variable frequency speed regulation reducing motor.
The clamping head of clamping rotating mechanism adopts pneumatic pinch spring self-return to unclamp; Clamping head feeding and return and adopt pneumatic action; Rotate and adopt the driven by motor transmission shaft through the moving clamping rotating mechanism rotation of sprocket wheel chain belt; The sandwich head rotates to guarantee the sandwich head with a shaft drive synchronously.Interior water spray is introduced by the external world, and pressure 0.8MPa is by its timing start-stop of valve control; Outer trickle forms water curtain by the upper tank overflow and realizes that water tank is provided with water transfer plate and water eliminator, to guarantee that forming uniform water curtain also regularly drenches on the workpiece exactly; The outer trickle of water tank also adopts the intermittent water application mode, with the internal circulating load that reduces water with cut down the consumption of energy full water but not overflow in the water tank when trickle not; Do not form water curtain, when workpiece puts in place will carry out shrend the time, the water tank formation water curtain that should supply water in advance; After the water curtain stable and uniform, water eliminator is removed again, makes water curtain drench on the workpiece equably on time; After outer pouring finished, water tank stopped the overflow of supplying water, and water curtain disappears.Outer trickle comes water to be controlled by valve, time switch.The water yield hydraulic pressure and the spray time of water spray are adjustable in outer the pouring.
The clamping head of clamping rotating mechanism should be joined plurality of specifications; Match with the workpiece of corresponding different varieties specification; When the shrend production line is changed the product specification kind; The clamping rotating mechanism is answered corresponding the adjustment, comprises the closed position of changing corresponding clamping head and adjustment clamping rotating mechanism slideway in the bottom.
(4) water supply and water treatment system:
Because the raising of production efficiency; The increase of quenching heat exchange amount; The temperature of spray water can constantly raise, and for the spray water temperature that guarantees granulating unit is controlled in 40 degree, granulating unit is in the outdoor water treatment system that is provided with; The water of granulating unit back pool is drawn out to outdoorly carries out the pump circulation cooling and carry out clean; Comprise sedimentation, filter, remove contamination and remove the gred, return indoor granulating unit through the HPP pressurization more afterwards, carry out recycle.
The water treatment system of granulating unit is provided with corresponding Whirlwind tank, settling bowl, pumping plant and water cooling tower device.In addition, the running gear equipment of granulating unit all adopts dry oil lubrication, and oiling point is established at each running position of sliding, and is connected by pipeline, and system establishes dry oil lubrication master station, and is lubricated to each oiling point auto-supply.
The axletree pipe heat treating method of the utility model comprises following link:
(1) material loading: the axletree pipe comes out from process furnace, and to revolution control damping roller road, in position the location stops through furnace delivery table, and the axletree conduit saddle plays in Hui Sidun mechanism afterwards, delivers to the shrend station.
(2) shrend: after the axletree pipe arrived the shrend station, the clamping of axletree pipe two ends was located in the clamping rotating mechanism feeding at shrend station two ends; Hui Sidun mechanism disengagement is afterwards withdrawed from; The clamping rotating mechanism begins to drive the rotation of axletree pipe and applies the tension force of certain axial tension to the axletree pipe, and after the axletree pipe reached certain rotating speed, the water eliminator of spraying mechanism was removed; Water curtain drops to axletree pipe place to begin it is carried out outer spray; Simultaneously the centre hole of the rotation clamping device of a side begins to axletree pipe orifice spray high pressure water, through the centre hole ejection of the rotation clamping device of opposite side, and is back to back pool outside the workshop.
The processing requirement of quenching: the 1. quenched martensite amount level of obviously quenching more than granulating unit at present; 2. consistent along even hardness on the uniform length of thickness of steel pipe; 3. the palintrope curvature of quenching is not more than the level that present granulating unit quenches.
(3) discharging: stop behind the spray certain hour (no longer than 20 seconds) in the outer pouring of axletree pipe; Its temperature drops to below 200 ℃, and the axletree pipe slows down and stops operating, and stops to specifying circumferential position; Hui Sidun mechanism feed reversing; Central siphon is held, and the rotation clamping device at two ends moves with the disengagement of axletree pipe once more and withdraws from simultaneously, and Hui Sidun mechanism plays the axletree conduit saddle and sending back to upset control damping roller road afterwards.
(4) axletree management and control water: after the axletree pipe after the shrend is got back to revolution control damping roller road; The disengagement of Hui Sidun mechanism is withdrawed from; Afterwards upset control damping roller road flip an angle (about 45 degree) the inner remaining cooling water control of axletree pipe is come out, the road revolution of upset control damping roller is set level after about 10 seconds.
(5) leave: after axletree management and control water finishes, leave revolution control damping roller road, get into tempering stove.
After tempered, obtain uniform tempered sorbite tissue, ys >=690MPa of XCQ16-1, unit elongation >=20%, grain fineness number is superior to ASTM5.5 grades.
When changing axletree pipe description in the production process; Can advance supplying position and the replacing that the clamping head of changing the rotation clamping device is realized axletree pipe description of the rotation clamping device at Hui Sidun mechanism closed position height, adjustment shrend station two ends through adjustment, rapid and convenient.
Axletree pipe quenching machine (granulating unit) is in the outdoor water treatment system that is provided with, with the water coolant of shrend circulate cooling and clean, so that recycle.
After the tempering of suitable processing parameter, obtain uniform tempered sorbite tissue, ys >=690MPa of XCQ16-1 (exported product), unit elongation >=20%, grain fineness number is superior to ASTM5.5 grades.Performance is higher than former quenching process far away.

Claims (8)

1. axletree pipe quenching machine is characterized in that:
Comprise the furnace delivery table that links to each other with process furnace, link to each other with tempering stove go into the furnace roller road, be arranged on furnace delivery table and go into the quenching device between the furnace roller road;
The upset control damping roller road swivel arrangement that said quenching device comprises upset control damping roller road, tilt in order to the control damping roller road rotation of will overturn, with the axletree pipe turn to from upset control damping roller road quench station Hui Sidun mechanism, be arranged on outer trickle screen mechanism above the quench station, be arranged on the clamping rotating mechanism and the interior spray system of quench station horizontal direction both sides;
The two ends in said upset control damping roller road respectively with furnace delivery table with go into the furnace roller road and join;
Said clamping rotating mechanism comprises clamping head and the corresponding clamping head swivel arrangement and the clamping head feeding device of two hollows; The two ends of said clamping head link to each other with discharging device with the water feed apparatus of interior spray system respectively, and high pressure water is sprayed into the axletree pipe orifice, flowed out through discharging device by water feed apparatus.
2. axletree pipe quenching machine according to claim 1; It is characterized in that: said outer trickle screen mechanism comprises that the water tank, water eliminator and the top that continue to supply water have the catchment covers of long gap; Water tank overflow forms water curtain outer trickle is provided, and water eliminator is arranged at axletree plumber part top in order to adjustment water curtain position; Said long gap is consistent with the shrend position of center line, and catchment covers makes water curtain drench on axletree plumber part through said long gap between water eliminator and axletree plumber part.
3. axletree pipe quenching machine according to claim 1; It is characterized in that: said clamping head provides power to realize that clamping, axial tension to axletree plumber part perhaps get loose by pneumatic shuttle, and the clamping head swivel arrangement adopts buncher to drive transmission shaft and drives clamping head clamping axletree plumber part coaxial rotation through the sprocket chain bar again.
4. axletree pipe quenching machine according to claim 3 is characterized in that: said buncher is the ac variable frequency speed regulation reducing motor.
5. axletree pipe quenching machine according to claim 1; It is characterized in that: the spray system continues to supply water in said; Interior spray system is divided into main road and bypass; Wherein, the water route at axletree pipe orifice place is as the main road of interior spray system, and said bypass is avoided the axletree pipe in order to the current that continue to supply water intermittently the time in interior spray and is back to back pool outside the workshop.
6. axletree pipe quenching machine according to claim 2 is characterized in that: the water tank of outer trickle screen mechanism is made up of inlet chest, steady tank and spilling water groove; Outer trickle screen mechanism comprises that also the water transfer plate forms uniform water curtain with the regulating tank overflow and timing is drenched on the workpiece exactly.
7. axletree pipe quenching machine according to claim 1 is characterized in that: the two ends in upset control damping roller road are provided with the adjustable positioning baffle in order to spacing axletree pipe.
8. axletree pipe quenching machine according to claim 1 is characterized in that: said upset control damping roller road swivel arrangement also comprises the positioning baffle with holes of landing when preventing that the axletree pipe from tilting.
CN2011204622142U 2011-11-18 2011-11-18 Quench machining tool for axle tube Expired - Fee Related CN202359162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204622142U CN202359162U (en) 2011-11-18 2011-11-18 Quench machining tool for axle tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204622142U CN202359162U (en) 2011-11-18 2011-11-18 Quench machining tool for axle tube

Publications (1)

Publication Number Publication Date
CN202359162U true CN202359162U (en) 2012-08-01

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Application Number Title Priority Date Filing Date
CN2011204622142U Expired - Fee Related CN202359162U (en) 2011-11-18 2011-11-18 Quench machining tool for axle tube

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108588346A (en) * 2018-07-17 2018-09-28 绵阳深度数控科技有限公司 On-circular cross-section workpiece laser quenching processing system and laser-quenching technique
CN108823380A (en) * 2018-08-13 2018-11-16 宁国市挚友合金钢材料有限公司 Electric furnace is convertible to rotation quenching structure
CN108893586A (en) * 2018-07-31 2018-11-27 山西豪钢锻造股份有限公司 Penetrate through the automatic spraying device of axis quenching
CN109913630A (en) * 2019-04-22 2019-06-21 江铃集团山东华岳车辆部件有限公司 Central siphon quenching unit
CN111440935A (en) * 2020-05-08 2020-07-24 埃斯顿(湖北)机器人工程有限公司 Automatic quenching workstation of central siphon robot
CN112941284A (en) * 2021-01-29 2021-06-11 诸暨虹茂重工机械有限公司 Metal quenching equipment for metal heat treatment

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108588346A (en) * 2018-07-17 2018-09-28 绵阳深度数控科技有限公司 On-circular cross-section workpiece laser quenching processing system and laser-quenching technique
CN108893586A (en) * 2018-07-31 2018-11-27 山西豪钢锻造股份有限公司 Penetrate through the automatic spraying device of axis quenching
CN108823380A (en) * 2018-08-13 2018-11-16 宁国市挚友合金钢材料有限公司 Electric furnace is convertible to rotation quenching structure
CN109913630A (en) * 2019-04-22 2019-06-21 江铃集团山东华岳车辆部件有限公司 Central siphon quenching unit
CN109913630B (en) * 2019-04-22 2024-07-23 江铃集团山东华岳车辆部件有限公司 Shaft tube quenching device
CN111440935A (en) * 2020-05-08 2020-07-24 埃斯顿(湖北)机器人工程有限公司 Automatic quenching workstation of central siphon robot
CN112941284A (en) * 2021-01-29 2021-06-11 诸暨虹茂重工机械有限公司 Metal quenching equipment for metal heat treatment
CN112941284B (en) * 2021-01-29 2022-07-08 诸暨虹茂重工机械有限公司 Metal quenching equipment for metal heat treatment

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120801

Termination date: 20141118

EXPY Termination of patent right or utility model