CN103451406B - For quenching steel lasso class die quenching device thoroughly - Google Patents
For quenching steel lasso class die quenching device thoroughly Download PDFInfo
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- CN103451406B CN103451406B CN201310365903.5A CN201310365903A CN103451406B CN 103451406 B CN103451406 B CN 103451406B CN 201310365903 A CN201310365903 A CN 201310365903A CN 103451406 B CN103451406 B CN 103451406B
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Abstract
The present invention relates to a kind of heat treatment quenching device, it is particularly a kind of for quenching steel lasso class die quenching device thoroughly, the die quenching device is included by base, installed in the column and the crossbeam installed in column upper end of base side, top shoe and sliding block are separately installed with column guide rail, the piston rod of mold cylinder and lower mould cylinder is connected with top shoe and sliding block respectively, it is characterized in that pressure duct is connected with mold cylinder and lower mould cylinder respectively, the one-way speed-regulating valve and reversal valve I in control mold cylinder speed and direction are separately installed with the pressure duct being connected with mold cylinder, the pressure regulator valve and reversal valve II in the lower mould cylinder pressure of control and direction are separately installed with the pressure duct being connected with lower mould cylinder, quenching cooling oil is connected with oil-out and injection loop on lower mould.The present apparatus can accurately adjust quench power, pressure of pressure and quench speed, enter that the time of quenching is short, and the deformation of quenching workpiece is small, and quenching quality has been effectively ensured, and substantially increases existing quenching and control technology.
Description
Technical field
It is particularly a kind of for quenching steel lasso class die quenching device thoroughly the present invention relates to a kind of heat treatment quenching device.
Background technology
Bearing internal external lasso typically uses two kinds of materials, and one kind is low-carbon low-alloy steel, it is necessary to quenching after carbunse, in industry
Referred to as carburizing steel；Most bearings material is high-carbon chromium steel, is referred to as quenching steel thoroughly with GCr15 as representative, in industry.With carburizing steel phase
Compare：1）Quenching steel thoroughly can directly heat quenching, and the heat time is short, it is smaller to deform；2）It is more sensitive to entering the time of quenching, it is desirable to enter
Residence time before quenching is shorter；3）Quenching distortion changes with the change of the shape, size of workpiece, without fixed rule.For
Solve the problems, such as that the quenching process for quenching steel bearing ring is uncontrollable, deformation it is irregular cause do over again and percent defective is high, people
Substantial amounts of work is done, such as the present inventor is in utility model patent ZL200420086806.9《A kind of multistation bearing internal external circle
Quenching press》In devise a kind of multistation quenching press, the quenching distortion for solving the problems, such as bearing ring of part.But in work
It is difficult in the presence of pressure power regulation of quenching in Cheng Yingyong, it is impossible to which that, suitable for the product of various sizes, workpiece produces local soft spots after quenching
Quenching quality problems etc..
The content of the invention
The purpose of the present invention is directed to the quenching feature for quenching steel, there is provided the pressure, quenching velocity during a kind of quenching are adjustable,
Enter that the time of quenching is short, the deformation of quenching workpiece is small, same mold have certain size range accommodation for quenching steel lasso thoroughly
Class die quenching device.
To realize the purpose of the present invention, the technical scheme for being used is：One kind for quenching steel lasso class die quenching dress thoroughly
Put, including the lathe bed being made up of base, the column installed in base side and the crossbeam installed in column upper end, floor installation exists
In oil sump, guide rail is installed on column, top shoe and sliding block, mold cylinder, lower mould cylinder are separately installed with guide rail
Be separately fixed on crossbeam and base, and the axis of upper and lower mould cylinder overlaps, mold and lower mould respectively with top shoe and under
Sliding block is connected, and the piston rod of mold cylinder and lower mould cylinder is connected with top shoe and sliding block respectively, it is characterised in that upper mould
Tool cylinder and lower mould cylinder are connected by pressure duct with high-pressure system, are separately installed with the pressure duct being connected with mold cylinder
Control mold cylinder speed and the one-way speed-regulating valve and reversal valve I in direction, pacify respectively on the pressure duct being connected with lower mould cylinder
Pressure regulator valve and reversal valve II equipped with the lower mould cylinder pressure of control and direction, quenching with cooling oil by cooling oil oil pump and with it is cold
The connected cooling oil oil pipe of oily oil pump is divided into two-way, all the way into sliding block, is connected with lower mould by sliding block
Passage enters in lower mould, and oil-out is provided with by lower mould, separately leads up to oil pipe and is fixed on the column in oil sump
Injection loop be connected.
Above-mentioned is circular cone stage body with mold and lower mould, and guiding gutter is evenly equipped with the outer round surface of circular cone stage body.
The above-mentioned pressure duct being connected with mold cylinder and lower mould cylinder is high pressure gas pipeline, wherein being connected with mold cylinder
High pressure gas pipeline on the reversal valve I that installs be 3 position-5 way solenoid directional control valve, the import of 3 position-5 way solenoid directional control valve with it is high
Pipeline of calming the anger is connected, and the one outlet in 3 position-5 way solenoid directional control valve is connected by pipeline with the epicoele of mold cylinder, another
Outlet is connected by pipeline and the one-way speed-regulating valve on pipeline with the cavity of resorption of mold cylinder；With the lower upper and lower chamber of mould cylinder
Pressure regulator valve is separately installed with connected high pressure gas pipeline, wherein the pipe being connected with the epicoele in lower mould cylinder in pressure regulation valve outlet
Reversal valve II is installed, reversal valve II is two-bit triplet magnetic valve on road.
Above-mentioned pressure regulator valve is precise pressure regulating valve.
Kuppe is installed at the oil-out of above-mentioned lower mould upper surface, the structure of above-mentioned kuppe is the bowl-type of back-off
Cover, bowl-type cover is provided with breach with the periphery of lower mould upper surface.
Above-mentioned injection loop is " C " the shape garden ring being made up of metal tube, and shape garden ring two ends are fixed on column both sides, cooling oil oil
Pipe and " C " shape garden ring inner chamber UNICOM, are provided with nozzle opening on " C " shape garden ring shape medial surface, and the injection direction of nozzle opening is in the same direction
Incline.
Above-mentioned injection loop is " C " the shape garden ring being made up of metal tube, and " C " shape garden ring two ends are fixed on column both sides, cooling
Oil pipe and " C " shape garden ring inner chamber UNICOM, are evenly equipped with inclined baffle plate in the same direction on " C " shape garden ring shape medial surface, baffle plate with
" C " shape garden ring shape inner side is provided with nozzle opening on relative face.
Die quenching device of the invention is in structure and presses the control aspect of power of quenching to be improved, on the one hand in mold
Outer round surface with the circular cone stage body of lower mould increased guiding gutter, so when being quenched to ring type part, the stream of cooling oil
Dynamic property increases, and is conducive to the raising of ring type part hardenability, while same mold has the adaptability of certain size scope,
It is particularly suited for the quenching of inner conical class lasso, thin wall lasso, short class lasso and precision bearing ring type parts, mould
Manufacturing expense it is relatively low, good economy performance；On the other hand injection loop is increased on the lathe bed in oil sump, in the oil-out of lower mould
After place is mounted with that kuppe, cooling oil spray from injection loop and kuppe, formed in ring type part outer surface and inner surface
One whirlpool of rapid flow, after workpiece of being quenched reaches quenching position, the whirlpool quickly flows around the inside and outside face of cylinder of workpiece
It is dynamic to eliminate surface soft spots and form swirling circulation to destroy gasification layer, to eliminate the quenching soft spot formed because outer surface is gasified；
3rd, on the pipeline that mold cylinder is connected with lower mould cylinder, one-way speed-regulating valve, reversal valve and pressure regulator valve are mounted with, by control
The control of system processed, is on the one hand capable of achieving quenching process and completes quenching according to the program of setting all the time, on the other hand can accurately adjust
Pressure between whole upper/lower die cylinder is quenched the size of power.Exerting oneself for the present apparatus can be adjusted between the KN of tens N to hundreds of, press power of quenching
Adjustable range is big, and pressure speed of quenching is adjustable, enters that the time of quenching is short, and the deformation of quenching workpiece is small, be effectively ensured quenching quality, reduce with
Cause to eliminate quenching distortion, greatly improve quenching technology and control technology, the requirement of various snare classes quenching operating modes can be met；The
Four, workpiece completes quenching process in box-shaped oil groove, and part body is immersed in cooling oil, and environment is clean, is difficult during quenching
Fire, oil smoke is less, is conducive to environmental protection.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention；
Accompanying drawing 2 is the structural representation of the lower mould oil-out of the present invention；
Accompanying drawing 3 is the structural representation of injection loop of the present invention.
Specific embodiment
In figure, 1- molds cylinder, 2- crossbeams, 3- top shoes, 4- molds, 5- quenched workpiece, 6- kuppes,
Mould cylinder under mould, 8- sliding blocks, 9- injection loops, 10-oil sump, 11-base, 12- under 7-, 13- precision pressure gauges,
14- pressure regulator valves, 15- reversal valve II, 16- pressure duct, 17- cooling oils oil pipe, 18-guide rail, 19- one-way speed-regulating valves,
20- reversal valves I, 21-column, the jet on 22-injection loop, 23-baffle plate.
As shown in Figure 1, 2, 3, the lathe bed of the present apparatus is by base 11, the column 21 installed in chassis left side and installed in vertical
The composition of crossbeam 2 of post upper end, floor installation is provided with vertical guide rail 18 in oil sump 10 on column, divides on guide rail
Top shoe 3 and sliding block 8 are not installed, mold cylinder 1, lower mould cylinder 12 are separately fixed on crossbeam and base, and upper and lower mould
The axis for having cylinder overlaps, and mold 4 and lower mould 7 are connected with top shoe and sliding block respectively, and mold cylinder and lower mould cylinder
Piston rod be connected with top shoe and sliding block respectively.Mold and lower mould are circular cone stage body, in the cylindrical table of circular cone stage body
Face is evenly equipped with guiding gutter.
The high pressure gas that high-pressure system is provided are respectively connected with by pressure duct 16 with mold cylinder and lower mould cylinder respectively.Its
In reversal valve I20 is installed on the high pressure gas pipeline that is connected with mold cylinder, reversal valve I is 3 position-5 way solenoid directional control valve,
The import of 3 position-5 way solenoid directional control valve is connected with high pressure gas pipeline, and the one outlet in 3 position-5 way solenoid directional control valve is by pipe
Road is connected with the epicoele of mold cylinder, and another outlet is by pipeline and the one-way speed-regulating valve 19 on pipeline and mold cylinder
Cavity of resorption be connected.
Be separately installed with pressure regulator valve 14 on the high pressure gas pipeline being connected with the upper and lower chamber of lower mould cylinder, wherein with lower mould
Reversal valve II15 is installed on the pipeline of the connected pressure regulation valve outlet of tool cylinder epicoele, reversal valve II uses two-bit triplet electricity
Magnet valve, is provided with precision pressure gauge 13 on the pipeline of the pressure regulation valve outlet being connected with lower mould cylinder cavity of resorption, and above-mentioned pressure regulator valve is
Precision precise pressure regulating valve higher.
The quenching course of work is as follows：
1st, this die quenching device is in home position：Lower mould cylinder promotes sliding block and lower mould to be in upper, upper mould
Tool cylinder lifts top shoe with mold in upper；
What the 2nd, heating was come out of the stove is quenched workpiece by manipulator or artificial crawl, is put on the upper conical surface of lower mould；
3rd, start button, automatic cycle starts：On touch tool cylinder and promote top shoe, mold descending, when the mold conical surface connects
When contacting the endoporus fillet of workpiece of being quenched, because the cavity of resorption of lower mould cylinder is passed through the compressed air of setting all the time, and mold cylinder
Pressure it is permanent be more than lower mould cylinder, now upper and lower mould cylinder is relative with workpiece force of being quenched, and red heat workpiece of being quenched is pressed together on into mould
On tool, implement initial correction；Then, mold cylinder continues to reinforce, when setting pressure of the reinforcing more than lower mould cylinder pressure regulator valve,
Pressure regulator valve overflow, lose heart, mold cylinder promotes that lower mould cylinder is descending, and the workpiece that will be quenched pushes oil sump together with upper and lower mould, with
This simultaneously, cooling oil by 17 points of cooling oil oil pipe is two-way by the cooling oil operation of oil pump in oil sump, is entered all the way
In sliding block 8, the passage being connected with lower mould 7 by sliding block is entered in lower mould, is sprayed by the oil-out 6 on lower mould
Go out, cooling oil be uniformly injected in the inner surface of workpiece of being quenched by kuppe, make cooling oil workpiece of being quenched inner surface and
The whirlpool for flowing up and down is formed between lower mould male cone (strobilus masculinus)；Another road cooling oil entrance is fixed on the column 21 in oil sump 10
In injection loop 9, injection loop is " C " the shape garden ring being made up of steel pipe, and " C " shape garden ring two ends are fixed on column both sides, cooling oil oil
Pipe and " C " shape garden ring inner chamber UNICOM, are provided with nozzle opening on " C " shape garden ring shape medial surface, and the injection direction of nozzle opening is in the same direction
Incline；Inclined baffle plate 23 in the same direction can also be evenly equipped with " C " shape garden ring shape medial surface, in baffle plate and " C " shape garden ring shape
Nozzle opening is provided with the relative face in side, cooling oil forms one and rapidly flows after nozzle opening sprays, in outer surface of workpiece of being quenched
Dynamic whirlpool, on the one hand destroys the gasification layer on the inside and outside face of cylinder of workpiece of being quenched, and eliminates the shape because of inner and outer surfaces gasification
Into quenching soft spot；On the other hand can rapidly cool down by workpiece of quenching.In above-mentioned quenching process, upper and lower mould is all the time in setting
Constant pressure act on by workpiece of quenching, resist the deformation of workpiece quenching process of being quenched.
4th, after quenching process terminates, reversal valve I and reversal valve the II commutation on upper and lower mould cylinder pipeline, upper mould
Tool cylinder is up, mold lifting, and quenching workpiece rises to initial position in company with lower mould, starts manipulator or manually catches away
The workpiece of quenching a, working cycles are completed, and original position waits the beginning of next circulation.
Claims (5)
1. it is a kind of to be used to quench steel lasso class die quenching device thoroughly, including by base, the column installed in base side and installation
The lathe bed that crossbeam in column upper end is constituted, floor installation is provided with guide rail on column, pacifies respectively on guide rail in oil sump
Equipped with top shoe and sliding block, mold cylinder, lower mould cylinder are separately fixed on crossbeam and base, and upper and lower mould cylinder axle
Line overlaps, and mold and lower mould are connected with top shoe and sliding block respectively, and the piston rod of mold cylinder and lower mould cylinder divides
It is not connected with top shoe and sliding block, it is characterised in that mold cylinder（1）With lower mould cylinder（12）By pressure duct（16）With
High-pressure system is connected, and is separately installed with the pressure duct being connected with mold cylinder and controls the unidirectional of mold cylinder speed and direction
Flow speed control valve（19）With reversal valve I（20）, with lower mould cylinder（12）The lower mould cylinder of control is separately installed with connected pressure duct
Pressure and the pressure regulator valve in direction（14）With reversal valve II（15）, quenching with cooling oil by cooling oil oil pump and with cooling oil oil
The connected cooling oil oil pipe of pump（17）It is divided into two-way, all the way into sliding block（8）It is interior, by sliding block and lower mould（7）It is connected
Logical passage enters in lower mould, by the oil-out set on lower mould（6）Spray, separately lead up to and be fixed on oil sump（10）
Inner column（21）On injection loop（9）It is connected；Above-mentioned injection loop（9）It is " C " the shape annulus being made up of metal tube, " C " shape circle
Ring two ends are fixed on column（21）Both sides, cooling oil oil pipe（17）With " C " shape annulus inner chamber UNICOM, in the circular inner side of " C " shape
Opened on face and be circumferentially provided with nozzle opening（22）, the injection direction of nozzle opening is inclination in the same direction；Above-mentioned injection loop（9）It is by metal tube
" C " the shape annulus being made, " C " shape annulus two ends are fixed on column（21）Both sides, cooling oil oil pipe（17）With " C " shape annulus inner chamber
UNICOM, " C " shape annular shape medial surface circumferentially on be evenly equipped with inclined baffle plate in the same direction（23）, it is circular in baffle plate and " C " shape
Inner side is provided with nozzle opening on relative face（22）.
2. it is according to claim 1 for quenching steel lasso class die quenching device thoroughly, it is characterised in that above-mentioned and mold
（4）With lower mould（7）It is circular cone stage body, guiding gutter is evenly equipped with the outer round surface of circular cone stage body.
3. it is according to claim 2 for quenching steel lasso class die quenching device thoroughly, it is characterised in that above-mentioned and mold
Cylinder（1）With lower mould cylinder（12）Connected pressure duct（16）Be high pressure gas pipeline, wherein with mold cylinder（1）Connected high pressure
The reversal valve I installed on air pipe（20）It is 3 position-5 way solenoid directional control valve, the import of 3 position-5 way solenoid directional control valve and high pressure
Air pipe be connected, the one outlet in 3 position-5 way solenoid directional control valve is connected by pipeline with the epicoele of mold cylinder, it is another go out
Mouth passes through pipeline and the one-way speed-regulating valve on pipeline（19）Cavity of resorption with mold cylinder is connected；With lower mould cylinder（12）
Pressure regulator valve is separately installed with the connected high pressure gas pipeline in upper and lower chamber（14）, wherein in pressure regulator valve（14）Outlet and lower mould cylinder
In the connected pipeline of epicoele on reversal valve II is installed（15）, reversal valve IIIt is two-bit triplet solenoid directional control valve.
4. it is according to claim 3 for quenching steel lasso class die quenching device thoroughly, it is characterised in that above-mentioned pressure regulator valve
（14）It is precise pressure regulating valve.
5. it is according to claim 4 for quenching steel lasso class die quenching device thoroughly, it is characterised in that in above-mentioned lower mould
（7）Kuppe is installed at the oil-out of upper surface（6）, the structure of above-mentioned kuppe is the bowl-type cover of back-off, and bowl-type cover is with
The periphery of mould upper surface is provided with breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310365903.5A CN103451406B (en) | 2013-08-19 | 2013-08-19 | For quenching steel lasso class die quenching device thoroughly |
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| CN201310365903.5A CN103451406B (en) | 2013-08-19 | 2013-08-19 | For quenching steel lasso class die quenching device thoroughly |
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| CN103451406B true CN103451406B (en) | 2017-06-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105886746A (en) * | 2014-12-08 | 2016-08-24 | 北京金和昌利科贸有限公司 | Induction shape correcting and die quenching and tempering technological method and equipment for annular parts |
| CN106048167A (en) * | 2016-07-25 | 2016-10-26 | 耐世特凌云驱动系统（芜湖）有限公司 | Internal spline quenching device |
| CN109355480A (en) * | 2018-11-13 | 2019-02-19 | 成都天马铁路轴承有限公司 | The pneumatic die quenching mold of bearing outer ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1234975C (en) * | 2003-12-11 | 2006-01-04 | 高纪清 | Molding pressed quench method and apparatus for automobile clutch metal disks accessory |
| JP4890416B2 (en) * | 2007-10-18 | 2012-03-07 | アイシン高丘株式会社 | Press working apparatus and press working method in die quench method |
| JP2009101378A (en) * | 2007-10-23 | 2009-05-14 | Aisin Takaoka Ltd | Pressing device for die quenching technique |
| CN101423883B (en) * | 2008-12-19 | 2010-08-11 | 张光荣 | Die quenching machine tool for numerical control force measurement |
| CN203393192U (en) * | 2013-08-19 | 2014-01-15 | 宁夏机械研究院（有限责任公司） | Die quenching device for through quenching steel ferrules |
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Address after: Plover Cove road in Yinchuan city 750011 No. 420 the Ningxia Hui Autonomous Region Jinfeng Industrial Zone Ningxia Machinery Research Institute Applicant after: NINGXIA MACHINERY RESEARCH INSTITUTE CO., LTD. Address before: Plover Cove road in Yinchuan city 750011 No. 420 the Ningxia Hui Autonomous Region Jinfeng Industrial Zone Ningxia Machinery Research Institute Applicant before: Ningxia Machinery Research Institute (limited liability company) |
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