CN110157874A - Bury liquid quenching spray equipment - Google Patents

Bury liquid quenching spray equipment Download PDF

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Publication number
CN110157874A
CN110157874A CN201910537010.1A CN201910537010A CN110157874A CN 110157874 A CN110157874 A CN 110157874A CN 201910537010 A CN201910537010 A CN 201910537010A CN 110157874 A CN110157874 A CN 110157874A
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CN
China
Prior art keywords
spray
spray equipment
interior
colunm
gear
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Pending
Application number
CN201910537010.1A
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Chinese (zh)
Inventor
叶小飞
赵建森
米艳军
张文
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Nanjing High Speed Gear Manufacturing Co Ltd
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Nanjing High Speed Gear Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Nanjing High Speed Gear Manufacturing Co Ltd filed Critical Nanjing High Speed Gear Manufacturing Co Ltd
Priority to CN201910537010.1A priority Critical patent/CN110157874A/en
Publication of CN110157874A publication Critical patent/CN110157874A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • C21D1/63Quenching devices for bath quenching
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • C21D1/667Quenching devices for spray quenching
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/32Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like

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

Abstract

The invention discloses one kind to bury liquid quenching spray equipment, comprising: the lifting device for accommodating the outer groove of hardening media, for the hoistable platform of load bearing element and for driving hoistable platform to be gone up and down;Liquid quenching spray equipment is buried suitable for the part with inner hole, further include: the interior spray equipment sprayed for the inner hole to part, for the outer spray equipment that the lateral surface to part is sprayed, the first circulation device sprayed for interior spray equipment for extracting the hardening media in outer groove and the second circulation device sprayed for extracting the hardening media in outer groove for outer spray equipment.Of the invention buries liquid quenching spray equipment, and the inside and outside hardness of part is effectively ensured, controls the consistency of different batches part.

Description

Bury liquid quenching spray equipment
Technical field
The present invention relates to the cooling devices in a kind of quenching technical, and in particular to one kind buries liquid quenching spray equipment.
Background technique
Quenching is an important link in heat treatment process, and nearly all component for requiring mechanical property is required to carry out Quench cooling treatment.
Quenching cooler at this stage mainly loads multiple parts using tooling and is cooled down in quenching apparatus, by The limitation in flow field in quenching apparatus, flow field is uneven when cooling, and flow velocity size is uncontrollable.After parts quenching, properties of product, change The dispersions such as shape are very big, and it is unqualified that this makes part easily occur mechanics, metallographic etc. after quenching, it is also possible to cracking, deformation occur The problems such as overproof.How stable product quality is made, and properties of product, deformation are more excellent, this just needs to guarantee that part is cold in quenching But the technical issues of effect and this field are paid close attention to.
Summary of the invention
Of the existing technology in order to solve the problems, such as, the present invention provides a kind of quenching cooler, makes the performance of part, becomes Shape etc. reaches optimization, and can guarantee the consistency of different batches part.
In order to achieve the above objectives, the present invention uses following scheme:
It is a kind of to bury liquid quenching spray equipment suitable for the part with inner hole, comprising: for accommodating the outer groove of hardening media, to use In the hoistable platform of load bearing element and lifting device for driving hoistable platform to be gone up and down;Suitable for having the part of inner hole Bury liquid quenching spray equipment, further includes: for the interior spray equipment that the inner hole to part is sprayed, for the outer of part The outer spray equipment that side is sprayed, for extract the hardening media in outer groove for interior spray equipment sprayed first Circulator and the second circulation device sprayed for extracting the hardening media in outer groove for outer spray equipment;
Interior spray equipment and outer spray equipment are placed in or are installed to hoistable platform and hoistable platform synchronization lifting;Interior spray equipment It is set in the inner hole of part;Outer spray equipment is set to the outside of part;First circulation device includes: first circulation pump, the One inlet pipe and the first outlet tube road;First inlet pipe is connected to first circulation pump and outer groove;First outlet tube road connection the One circulating pump and interior spray equipment;Second circulation device includes: second circulation pump, the second inlet pipe and the second outlet tube road; Second inlet pipe is connected to second circulation pump and outer groove;Second outlet tube road is connected to second circulation pump and outer spray equipment;Interior spray Shower device includes several interior spray colunms;Interior spray colunm, which is equipped with, to be discharged for hardening media from interior spray colunm with to the inner hole of part Several interior spray ports that hole wall is sprayed;Outer spray equipment includes several outer spray colunms;Outer spray colunm is equipped with for quenching Several outer spray ports that medium is discharged to be sprayed to the outside wall surface of part from outer spray colunm.
Further, interior spray equipment, outer spray equipment and part are arranged concentrically.
Further, the first outlet tube road and the second outlet tube road are equipped with flowmeter or proportioning valve.
Further, first circulation device further includes the first variable-frequency motor for driving first circulation to pump;Second circulation Device further includes the second variable-frequency motor for driving second circulation to pump;Liquid quenching spray is buried suitable for the part with inner hole Device further includes the frequency converter for being controlled the first pitch motor and/or the second variable-frequency motor.
Further, one end of hoistable platform and feature contacts is honeycomb dish structure.
Further, hoistable platform is equipped with the position limiting structure of the position for limit feature.
Further, the density of the outer spray port in the middle part of interior spray colunm is greater than the close of the interior spray port at interior spray colunm both ends Degree;The density of outer spray port in the middle part of outer spray colunm is greater than the density of the outer spray port at outer spray colunm both ends.
Further, part is gear or ring gear;Several interior spray colunms are arranged along the hole wall profiling of the inner hole of part; Several outer spray colunms are arranged along the lateral surface profiling of part.
It is a kind of to bury liquid quenching spray equipment suitable for gear, comprising: for accommodating the outer groove of hardening media, for carrying The hoistable platform of gear and lifting device for driving hoistable platform to be gone up and down;Liquid quenching spray dress is buried suitable for gear It sets, further includes: for the interior spray equipment that the inner hole to gear is sprayed, sprayed for the lateral surface to gear outer Spray equipment, the first circulation device sprayed for interior spray equipment for extracting the hardening media in outer groove and for taking out The second circulation device for taking the hardening media in outer groove to be sprayed for outer spray equipment;Interior spray equipment and outer spray equipment It is placed in or installs to hoistable platform and hoistable platform synchronization lifting;Interior spray equipment is set in the inner hole of gear;Outer spray Device is set to the outside of gear;First circulation device includes: first circulation pump, the first inlet pipe and the first outlet tube road; First inlet pipe is connected to first circulation pump and outer groove;First outlet tube road is connected to first circulation pump and interior spray equipment;Second Circulator includes: second circulation pump, the second inlet pipe and the second outlet tube road;Second inlet pipe is connected to second circulation pump And outer groove;Second outlet tube road is connected to second circulation pump and outer spray equipment;
Interior spray equipment includes several interior spray colunms;Interior spray colunm, which is equipped with, to be discharged for hardening media from interior spray colunm with to gear Inner hole several interior spray ports for being sprayed of hole wall;Outer spray equipment includes several outer spray colunms;Outer spray colunm is set There are several the outer spray ports being discharged from outer spray colunm for hardening media to be sprayed to the tooth socket of gear;Interior spray port discharge The spray direction of hardening media favour the radial direction of gear, the flow field in the inner hole of gear circularizes;The position of the tooth socket of gear It sets and is equipped with an outer spray colunm;In the axial direction of gear, the density of the interior spray port in the middle part of interior spray colunm is greater than interior spray colunm two The density of the interior spray port at end and the density of the outer spray port in the middle part of outer spray colunm are greater than the outer spray port at outer spray colunm both ends Density.
Further, on the same tooth form direction section of gear, several outer spray ports include the tooth sprayed to tooth root Root spray port and the flank of tooth spray port sprayed to the flank of tooth of pitch circle position;The area of flank of tooth spray port is less than tooth root spray port Area.
The invention has the beneficial effects that by spray equipment and outer spray equipment in being arranged to being sprayed inside and outside part It penetrates, adjustable part different location is that performance, deformation of part etc. reach optimization in the cooling velocity of different phase, and can Guarantee different batches part consistency.
Compared to traditional quenching mode, the hardness requirement that can meet inner bore of part can satisfy limit to overall deformation again System requires.The hardness requirement that can guarantee inner hole and tooth root position, makes part reach estimated performance.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram for burying liquid quenching spray equipment of the invention;
Fig. 2 is that liquid quenching spray equipment is buried in Fig. 1 along the cross-sectional view of line A-A;
Fig. 3 is the partial enlarged view in Fig. 2 at B;
Fig. 4 is the partial enlarged view in Fig. 2 at C.
Outer groove 10, hoistable platform 20, lifting device 30, interior spray equipment 40, interior spray colunm 41, outer spray equipment 50, outside Spray colunm 51, first circulation pump 61, the first inlet pipe 62, the first outlet tube road 63, second circulation pump 71, the second inlet pipe 72, the second outlet tube road 73, part 200.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 4, one kind burying liquid quenching spray equipment 100, comprising: outer groove 10, hoistable platform 20, lifting dress Set 30, interior spray equipment 40, outer spray equipment 50, first circulation device and second circulation device.
It buries liquid quenching spray equipment 100 to be used to quench the part with inner hole, also known as be suitable for inner hole Part buries liquid quenching spray equipment.Gear can be quenched by burying liquid quenching spray equipment 100, be properly termed as being suitable for tooth Wheel buries liquid quenching spray equipment.
Outer groove 10 is for accommodating hardening media.Part 200 is put into outer groove 10 and immerses to hardening media.
Hoistable platform 20 is used for load bearing element 200.As a kind of specific embodiment, hoistable platform 20 and part 200 One end of contact is honeycomb dish structure.Help to quench the bottom of part 200.Hoistable platform 20 is equipped with for limiting The position limiting structure of the position of part 200 keeps part 200 constant relative to the position of hoistable platform 20.Position limiting structure can be made It can also be used as individual part for non-removable a part on hoistable platform 20 to install to hoistable platform 20.
Lifting device 30 is for driving hoistable platform 20 to be gone up and down.Lifting device 30 can be hydraulic device and be also possible to Mechanical device.I.e. hoistable platform 20, which can be hydraulically operated, is gone up and down or is gone up and down using mechanical device driving.It can To be driven according to the size and weight of part using hydraulic lifting or mechanical device.
Interior spray equipment 40 is for spraying the inner hole of part 200.Specifically, interior spray equipment 40 is set to zero In the inner hole of part 200.The hole wall of interior 40 inner hole of spray equipment is sprayed.Specifically, outer spray equipment 50 is set to part 200 outside.Outer spray equipment 50 is for spraying the lateral surface of part 200.
Interior spray equipment 40 and outer spray equipment 50 are placed in hoistable platform 20 and 20 synchronization lifting of hoistable platform.Part 200, interior spray equipment 40 and 50 relative position of outer spray equipment remain unchanged.As a kind of specific embodiment, interior spray Device 40, outer spray equipment 50 and part 200 are arranged concentrically.
As an alternative embodiment, interior spray equipment and outer spray equipment are installed to hoistable platform.Specifically, Interior spray equipment and outer spray equipment are detachably installed to the hoistable platform.
When part 200 needs to quench, part 200 is placed on hoistable platform 20, and by interior spray equipment 40 and outside Spray equipment 50 is placed individually into the internal and external parts of part 200, and hoistable platform 20 is quickly immersed in by starting lifting device 30 to be quenched In fiery medium.Part 200 is immersed in hardening media, and hardening media liquid level is higher than height when part 200 quenches, interior spray Shower device 40 and outer spray equipment 50 carry out spray quenching to part 200 according to the technological requirements.
First circulation device is used to extract the hardening media in outer groove 10 so that interior spray equipment 40 is sprayed.Second follows Loop device is used to extract the hardening media in outer groove 10 so that outer spray equipment 50 is sprayed.
First circulation device includes: that first circulation pumps the 61, first inlet pipe 62 and the first outlet tube road 63.First feed liquor Pipeline 62 is connected to first circulation pump 61 and outer groove 10.First outlet tube road 63 is connected to first circulation pump 61 and interior spray equipment 40.
Second circulation device includes: that second circulation pumps the 71, second inlet pipe 72 and the second outlet tube road 73.Second feed liquor Pipeline 72 is connected to second circulation pump 71 and outer groove 10.Second outlet tube road 73 is connected to second circulation pump 71 and outer spray equipment 50.
As a kind of specific embodiment, first circulation device further includes for driving the first of first circulation pump 61 to become Frequency motor.Second circulation device further includes the second variable-frequency motor for driving second circulation pump 71.Bury liquid quenching spray equipment 100 further include frequency converter.Frequency converter is electrically connected the first variable-frequency motor and the second variable-frequency motor and becomes to the first variable-frequency motor and second Frequency motor is controlled.Multiple variable-frequency motors are controlled using single inverter, to realize flow velocity size and spray stream Measure step-less adjustment in a certain range.As an alternative embodiment, two frequency converters also can be set.Two frequency converters The first variable-frequency motor and the second variable-frequency motor are controlled respectively.
As an alternative embodiment, the first outlet tube road and the second outlet tube road are equipped with flowmeter or ratio Valve.Flowmeter or proportioning valve realize the accurate control of flow by control system automatic adjustment size.
Interior spray equipment 40 and outer spray equipment 50 can be in a ring or imitative using annular segment distribution or more spray colunms Shape distribution.Spraying column section can be round, direction or other profilings.Spray colunm is equipped with multiple spray ports, sprays on spray colunm Size, the position and direction of leaching mouth can be determined according to the cooling condition of part 200.
As a kind of specific embodiment, interior spray equipment 40 includes several interior spray colunms 41.Interior spray colunm 41 is set Have and is discharged for hardening media from interior spray colunm 41 with the spray port into several that the hole wall of the inner hole of part 200 is sprayed.
Outer spray equipment 50 includes several outer spray colunms 51.Outer spray colunm 51 is equipped with for hardening media from outer spray colunm 51 Several outer spray ports to be sprayed to the outside wall surface of part 200 are discharged.
As a preferred embodiment, the density of the interior spray port at interior 41 middle part of spray colunm is greater than 41 liang of interior spray colunm The density of the interior spray port at end.The density of the outer spray port at outer 51 middle part of spray colunm is greater than the outer spray port at outer 51 both ends of spray colunm Density.Gear and ring gear can be processed by burying liquid quenching spray equipment 100.Several interior spray colunms 41 are along part The hole wall profiling of 200 inner hole is arranged.Several outer spray colunms 51 are arranged along the lateral surface profiling of part 200.Make part 200 Inner hole and lateral surface obtain higher hardness, can control the deformation such as ellipse, taper of inner hole.
As a kind of specific embodiment, part 200 is gear.More specifically, part 200 is raceway planetary gear. Raceway planetary gear is the important transmission parts of wind turbine gearbox.Raceway planetary gear requires inner hole hardness with higher to substitute axis Bearing outer-ring, and require the deformation of teeth portion smaller to reduce surplus of the teeth portion in following process.
Traditional quenching mode carries out part in order to make inner hole part obtain higher hardness, using higher flow velocity cold But, although inner bore of part can satisfy requirement Chang Yinwei gear overall deformation ellipse after quenching or teeth portion is deformed overproof and reported It is useless;After reducing flow velocity, inner hole and root portion can not harden, and estimated performance is not achieved in part.
Interior spray equipment 40 is set in the inner hole of gear.Outer spray equipment 50 is set to the outside of gear.Interior spray colunm 41 interior spray port is sprayed to the hole wall of the inner hole of gear.The outer spray port of outer spray colunm 51 is sprayed to the tooth socket of gear Leaching.The flow of interior spray apparatus 40 is greater than the flow of outer spray equipment 50.
As a preferred embodiment, the spray direction of the hardening media of interior spray port discharge favours the diameter of gear To the flow field in the inner hole of gear circularizes.Spray state in hole site setting annular in raceway planetary gear, and make the spray nozzle be in Certain angle arrangement, makes to quench cooling liquid circular motion in one direction, nozzle distance inner hole certain distance reaches planetary gear Inner hole flow field is annular spread.The density of spray port in axial direction upper is controlled, spray port is intensive in centre, by proximal end face Spray port distribution is sparse in relatively centre at both ends, obtains higher hardness, and the ellipse of controllable inner hole, cone after making inner hole quenching The deformation such as degree.
The position of the tooth socket of gear is equipped with an outer spray colunm 51.It is several on the same tooth form direction section of gear A outer spray port includes the tooth root spray port sprayed to tooth root and the flank of tooth spray port sprayed to the flank of tooth of pitch circle position.Tooth The area of face spray port is less than the area of tooth root spray port.On the same tooth form direction section of gear, the number of tooth root spray port Mesh is 1.The number of flank of tooth spray port is 2.Tooth root spray port is located between two flank of tooth spray ports.Dotted line represents injection in figure Range.
Specifically, outer spray colunm 51 is arranged along each tooth socket in teeth portion, outer spray colunm 51 agrees with tooth socket, each outer spray Leaching column 51 is distributed several outer spray ports on same tooth form normal section.It is larger to be located in the middle outer spray port size, sprays Direction is root position, be located at the symmetrical office of left and right sides spray port, spray position be pitch circle nearby flank of tooth position, tooth top and Peak Angle Position does not spray;On the axial direction of outer spray colunm 51, outer spray port arrangement is still intermediate intensive, upper and lower side It is sparse at face.The distance of outer spray colunm 51 to part 200 is determined according to outer spray port angle and injection flow, pressure etc..As A kind of specific embodiment, each outer spray colunm 51 3 outer spray ports of branch on same tooth form normal section.As optional Embodiment, outer spray colunm is distributed 4 or 5 outer spray ports on same tooth form normal section.
After the completion of 200 Quench heating of part, part 200 is placed on hoistable platform 20, and by interior 40 He of spray equipment Outer spray equipment 50 agrees with part 200, then enters in quenching liquid with part, is completely submerged in part 200 Quench liquid and it is steady after, start the first variable-frequency motor and the second variable-frequency motor install preset technique and carries out quenching cooling.
Ring gear is a kind of common driving member, is again provided with inner hole, and groundwork position is inner ring.Interior spray dress Set that inside and outside contour in gear ring can be set with outer spray equipment is similar.The axis of spray angles and ring gear is in 7 ° of -45 ° of folders Angle, interior spray apertures and outer spray apertures can be distributed using single row or multiple rows.The diameter of interior spray apertures and outer spray apertures be 1mm extremely 6mm.The flow velocity of inner ring and outer ring can be adjusted and can be realized cold by the first variable-frequency motor and the second variable-frequency motor But the spray flow (or pressure) of the adjusting of speed, inner ring is greater than outer ring, so that the cooling rate of inner ring is greater than the cooling rate of outer ring, realizes cold But initial stage cooling rate is fast, cooling later period cooling slow purpose.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation Technical solution is fallen within the scope of protection of the present invention.

Claims (10)

1. a kind of bury liquid quenching spray equipment suitable for the part with inner hole, comprising: for accommodating the outer groove of hardening media, Lifting device for the hoistable platform of load bearing element and for driving the hoistable platform to be gone up and down;It is characterized in that,
The liquid that buries for being suitable for the part with inner hole quenches spray equipment, further includes: sprays for the inner hole to part The interior spray equipment of leaching, for the outer spray equipment that the lateral surface to part is sprayed, for extracting quenching in the outer groove First circulation device that fiery medium is sprayed for the interior spray equipment and for extracting the hardening media in the outer groove The second circulation device sprayed for the outer spray equipment;
The interior spray equipment and the outer spray equipment are placed in or install same to the hoistable platform and the hoistable platform Step lifting;The interior spray equipment is set in the inner hole of part;The outer spray equipment is set to the outside of the part;Institute Stating first circulation device includes: first circulation pump, the first inlet pipe and the first outlet tube road;The first inlet pipe connection The first circulation pump and the outer groove;First outlet tube road is connected to the first circulation pump and the interior spray equipment; The second circulation device includes: second circulation pump, the second inlet pipe and the second outlet tube road;Second inlet pipe connects Lead to the second circulation pump and the outer groove;Second outlet tube road is connected to the second circulation pump and the outer spray dress It sets;The interior spray equipment includes several interior spray colunms;The interior spray colunm is equipped with for hardening media from the interior spray colunm Discharge is with to the hole wall of the inner hole of part is sprayed in several spray port;The outer spray equipment includes several outer sprays Drench column;If what the outer spray colunm was sprayed equipped with being discharged for hardening media from the outer spray colunm to the outside wall surface of part Dry outer spray port.
2. the liquid that buries according to claim 1 for being suitable for the part with inner hole quenches spray equipment, which is characterized in that
The interior spray equipment, the outer spray equipment and part are arranged concentrically.
3. the liquid that buries according to claim 1 for being suitable for the part with inner hole quenches spray equipment, which is characterized in that
First outlet tube road and second outlet tube road are equipped with flowmeter or proportioning valve.
4. the liquid that buries according to claim 1 for being suitable for the part with inner hole quenches spray equipment, which is characterized in that
The first circulation device further includes the first variable-frequency motor for driving the first circulation pump;The second circulation dress Setting further includes the second variable-frequency motor for driving second circulation pump;The liquid that buries for being suitable for the part with inner hole is quenched Fire-fighting shower device further includes the frequency converter for being controlled first pitch motor and/or second variable-frequency motor.
5. the liquid that buries according to claim 1 for being suitable for the part with inner hole quenches spray equipment, which is characterized in that
One end of the hoistable platform and feature contacts is honeycomb dish structure.
6. the liquid that buries according to claim 1 for being suitable for the part with inner hole quenches spray equipment, which is characterized in that
The hoistable platform is equipped with the position limiting structure of the position for limit feature.
7. the liquid that buries according to claim 1 for being suitable for the part with inner hole quenches spray equipment, which is characterized in that
The density of outer spray port in the middle part of the interior spray colunm is greater than the density of the interior spray port at the interior spray colunm both ends;It is described The density of outer spray port in the middle part of outer spray colunm is greater than the density of the outer spray port at the outer spray colunm both ends.
8. the liquid that buries according to claim 1 for being suitable for the part with inner hole quenches spray equipment, which is characterized in that
The part is gear or ring gear;The hole wall profiling of several inner holes of the interior spray colunm along part is arranged;It is several A outer spray colunm is arranged along the lateral surface profiling of part.
9. a kind of bury liquid quenching spray equipment suitable for gear, comprising: for accommodating the outer groove of hardening media, for carrying tooth The hoistable platform of wheel and lifting device for driving the hoistable platform to be gone up and down;It is characterized in that,
It is described to bury liquid quenching spray equipment suitable for gear, further includes: the interior spray sprayed for the inner hole to gear Device, for the outer spray equipment that the lateral surface to gear is sprayed, for extract the hardening media in the outer groove for First circulation device that the interior spray equipment is sprayed and for extracting the hardening media in the outer groove for described outer The second circulation device that spray equipment is sprayed;
The interior spray equipment and the outer spray equipment are placed in or install same to the hoistable platform and the hoistable platform Step lifting;The interior spray equipment is set in the inner hole of gear;The outer spray equipment is set to the outside of the gear;Institute Stating first circulation device includes: first circulation pump, the first inlet pipe and the first outlet tube road;The first inlet pipe connection The first circulation pump and the outer groove;First outlet tube road is connected to the first circulation pump and the interior spray equipment; The second circulation device includes: second circulation pump, the second inlet pipe and the second outlet tube road;Second inlet pipe connects Lead to the second circulation pump and the outer groove;Second outlet tube road is connected to the second circulation pump and the outer spray dress It sets;
The interior spray equipment includes several interior spray colunms;The interior spray colunm is equipped with for hardening media from the interior spray colunm Discharge is with to the hole wall of the inner hole of gear is sprayed in several spray port;The outer spray equipment includes several outer sprays Drench column;The outer spray colunm is equipped with several to be sprayed to the tooth socket of gear from the outer spray colunm discharge for hardening media A outer spray port;The spray direction of the hardening media of the interior spray port discharge favours the radial direction of gear, the gear it is interior Flow field in hole circularizes;The position of the tooth socket of the gear is equipped with the outer spray colunm;In the axial direction of the gear, The density of interior spray port in the middle part of the interior spray colunm is greater than the density of the interior spray port at the interior spray colunm both ends and described outer The density of outer spray port in the middle part of spray colunm is greater than the density of the outer spray port at the outer spray colunm both ends.
10. according to claim 9 bury liquid quenching spray equipment suitable for gear, which is characterized in that
On the same tooth form direction section of the gear, several described outer spray ports include the tooth root spray sprayed to tooth root Mouth and the flank of tooth spray port sprayed to the flank of tooth of pitch circle position;The area of the flank of tooth spray port is sprayed less than the tooth root The area of mouth.
CN201910537010.1A 2019-06-20 2019-06-20 Bury liquid quenching spray equipment Pending CN110157874A (en)

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Application Number Priority Date Filing Date Title
CN201910537010.1A CN110157874A (en) 2019-06-20 2019-06-20 Bury liquid quenching spray equipment

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Application Number Priority Date Filing Date Title
CN201910537010.1A CN110157874A (en) 2019-06-20 2019-06-20 Bury liquid quenching spray equipment

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Publication Number Publication Date
CN110157874A true CN110157874A (en) 2019-08-23

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Publication number Priority date Publication date Assignee Title
JP2005002398A (en) * 2003-06-11 2005-01-06 Nissan Motor Co Ltd Quenching method and cooling device for quenching
CN102816907A (en) * 2012-08-03 2012-12-12 无锡市绿色热处理设备有限公司 Controllable-spraying quenching machine
DE102012106713B3 (en) * 2012-07-24 2013-09-19 Benteler Automobiltechnik Gmbh Cooling device for induction-hardening device for curing stabilizer bar used in motor car, has deterrence shower that is pivotally mounted so that deterrence shower is oriented in optimum position in dependence of cooling of bar
CN205974600U (en) * 2016-08-26 2017-02-22 重庆新钰立金属科技有限公司 Quenching and cooling device
CN206521496U (en) * 2016-10-21 2017-09-26 衡阳鸿宇机械制造有限公司 It is heat-treated economic benefits and social benefits quenching unit
CN210420055U (en) * 2019-06-20 2020-04-28 南京高速齿轮制造有限公司 Bury liquid quenching spray set

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005002398A (en) * 2003-06-11 2005-01-06 Nissan Motor Co Ltd Quenching method and cooling device for quenching
DE102012106713B3 (en) * 2012-07-24 2013-09-19 Benteler Automobiltechnik Gmbh Cooling device for induction-hardening device for curing stabilizer bar used in motor car, has deterrence shower that is pivotally mounted so that deterrence shower is oriented in optimum position in dependence of cooling of bar
CN102816907A (en) * 2012-08-03 2012-12-12 无锡市绿色热处理设备有限公司 Controllable-spraying quenching machine
CN205974600U (en) * 2016-08-26 2017-02-22 重庆新钰立金属科技有限公司 Quenching and cooling device
CN206521496U (en) * 2016-10-21 2017-09-26 衡阳鸿宇机械制造有限公司 It is heat-treated economic benefits and social benefits quenching unit
CN210420055U (en) * 2019-06-20 2020-04-28 南京高速齿轮制造有限公司 Bury liquid quenching spray set

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