CN103451406A - Die press quenching device for fully quenching steel ferrules - Google Patents

Die press quenching device for fully quenching steel ferrules Download PDF

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Publication number
CN103451406A
CN103451406A CN2013103659035A CN201310365903A CN103451406A CN 103451406 A CN103451406 A CN 103451406A CN 2013103659035 A CN2013103659035 A CN 2013103659035A CN 201310365903 A CN201310365903 A CN 201310365903A CN 103451406 A CN103451406 A CN 103451406A
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bed die
cylinder
quenching
xing
oil
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CN103451406B (en
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张光荣
王国升
周建宇
王淑芳
柳燕
许军晓
张凯翔
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Ningxia Machinery Research Institute (limited Liability Company)
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Ningxia Machinery Research Institute (limited Liability Company)
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Abstract

The invention relates to a heat treatment quenching device, in particular to a die press quenching device for fully quenching steel ferrules. The die press quenching device comprises a base, a stand column at one side of the base and a cross beam at the upper end of the stand column, wherein an upper sliding block and a lower sliding block are respectively arranged on a guiding rail of the stand column, and piston rods of an upper die cylinder and a lower die cylinder are respectively connected with the upper sliding block and the lower sliding block. The die press quenching device is characterized in that a high-pressure pipeline is connected with the upper die cylinder and the lower die cylinder respectively, a one-way speed regulating valve and a reversing valve I, which are used for controlling the speed and the direction of the upper die cylinder, are respectively arranged on a high pressure pipeline connected with the upper die cylinder, a pressure regulating valve and a reversing valve II, which are used for controlling the pressure and the direction of the lower die cylinder, are respectively arranged on a high pressure pipeline connected with the lower die cylinder, and cooling oil for quenching is connected with an oil outlet and an oil spraying ring on the lower die. According to the device, the press quenching force and the press quenching speed can be precisely regulated, the quenching time is short, the deformation of quenched workpieces is small, the quenching quality is effectively ensured, and existing quenching and controlling technologies are greatly improved.

Description

For saturating quench steel lasso class die quenching device
Technical field
The present invention relates to a kind of heat treatment quenching device, particularly a kind of for saturating quench steel lasso class die quenching device.
Background technology
The bearing internal external lasso generally adopts bi-material, and a kind of is low-carbon low-alloy steel, needs to quench after carburizing, is called converted steel in industry; The most bearings material is high-carbon chromium steel, take GCr15 as representative, is called quench steel in industry.With converted steel, compare: 1) quench steel can quench by direct heating thoroughly, and heat-up time is short, distortion is less; 2) more responsive to the time that enters to quench, require into the residence time before quenching shorter; 3) quenching strain changes with the shape of workpiece, the variation of size, there is no fixing rule.For the quenching process that solves the quench steel bearing ring is uncontrollable, be out of shape irregular doing over again and problem that scrap rate is high of causing, people have done a large amount of work, as the inventor has designed a kind of multi-work-station quenching press in utility model patent ZL200420086806.9 " a kind of multi-work-station bearing enclose quenching press ", the part solution the quenching strain problem of bearing ring.But exist and press the power of quenching to regulate difficulty in the engineering application, can not be applicable to the product of various size, after quenching, workpiece produces the quenching quality problems of local soft spots etc.
Summary of the invention
The objective of the invention is the quenching characteristics for saturating quench steel, pressure, quenching velocity when a kind of the quenching is provided are adjustable, time that enters to quench is short, and the distortion of quenching workpiece is little, same set of mould have the certain size range accommodation for quench steel lasso class die quenching device thoroughly.
For realizing purpose of the present invention, the technical scheme adopted is: a kind of for saturating quench steel lasso class die quenching device, comprise by base, be arranged on the column of base one side and the lathe bed of the crossbeam composition that is arranged on the column upper end, floor installation is in oil sump, guide rail is installed on column, be separately installed with top shoe and sliding block on guide rail, the mold cylinder, the bed die cylinder is separately fixed on crossbeam and base, and on, the dead in line of bed die cylinder, mold is connected with sliding block with top shoe respectively with bed die, and the piston rod of mold cylinder and bed die cylinder is connected with sliding block with top shoe respectively, it is characterized in that the mold cylinder is connected with high-pressure system by pressure duct with the bed die cylinder, be separately installed with the one-way speed-regulating valve and the reversing valve I that control mold cylinder speed and direction on the pressure duct be connected with the mold cylinder, be separately installed with the relief valve and the reversing valve II that control bed die cylinder pressure and direction on the pressure duct be connected with the bed die cylinder, quenching is divided into two-way by the cooling oil oil pump with the cooling oil oil pipe be connected with the cooling oil oil pump with cooling oil, one tunnel enters in sliding block, the passage be connected with bed die by sliding block enters in bed die, be provided with oil outlet on by bed die, another road by oil pipe be fixed on oil sump in column on injection loop be connected.
Above-mentioned and mold and bed die are the circular cone stage body, at the outer round surface of circular cone stage body, are evenly equipped with diversion trench.
The above-mentioned pressure duct be connected with the bed die cylinder with the mold cylinder is the high pressure gas pipeline, the reversing valve I installed on the high pressure gas pipeline wherein be connected with the mold cylinder is the 3 position-5 way solenoid operated directional valve, the import of 3 position-5 way solenoid operated directional valve is connected with the high pressure gas pipeline, an outlet in the 3 position-5 way solenoid operated directional valve is connected with the epicoele of mold cylinder by pipeline, and another outlet is connected with the cavity of resorption of mold cylinder with the one-way speed-regulating valve on being arranged on pipeline by pipeline; Be separately installed with relief valve on the high pressure gas pipeline be connected with the upper and lower chamber of bed die cylinder, on the pipeline wherein be connected with epicoele in the bed die cylinder in relief valve outlet, reversing valve II be installed, this reversing valve II is the two-bit triplet magnetic valve.
Above-mentioned relief valve is precise pressure regulating valve.
Oil outlet place in above-mentioned bed die upper surface is equipped with pod, the bowl-type cover that the structure of above-mentioned pod is back-off, and the periphery of bowl-type cover and bed die upper surface has breach.
Above-mentioned injection loop is made by metal tube that " ring two ends, Huan,Xing garden, C ”Xing garden are fixed on the column both sides, and the cooling oil oil pipe is with " C ”Xing garden ring inner chamber UNICOM, " have nozzle opening on the ring-type medial surface of C ”Xing garden, the injection direction of nozzle opening is inclination in the same way.
Above-mentioned injection loop is made " C ”Xing garden ring by metal tube, " ring two ends, C ”Xing garden are fixed on the column both sides, cooling oil oil pipe and " C ”Xing garden ring inner chamber UNICOM, " be evenly equipped with in the same way the baffle plate tilted on the ring-type medial surface of C ”Xing garden, baffle plate with " on the relative face in C ”Xing garden ring-type inboard, have nozzle opening.
Die quenching device of the present invention is in structure and press aspect the control of the power of quenching and improve, one side has increased diversion trench at the outer round surface of the circular cone stage body of mold and bed die, like this when ring type part is quenched, the mobility of cooling oil increases, be conducive to the raising of ring type part hardenability, same set of mould has the adaptability of certain size scope simultaneously, be particularly useful for the quenching of inner conical class lasso, thin wall lasso, short class lasso and precision bearing ring type parts, the manufacturing expense of mould is lower, good economy performance; Increased injection loop on lathe bed in oil sump on the other hand, pod has been installed at oil outlet place at bed die, cooling oil sprays in injection loop and pod, form a mobile whirlpool rapidly at ring type part outside surface and internal surface, after the workpiece of being quenched arrives the quenching position, this whirlpool, is eliminated surperficial soft spots and is formed whirlpool shape circulation to destroy gasification layer around the inside and outside cylindrical surface rapid flow of workpiece, to eliminate the quenching soft spot formed because of the outside surface gasification; The 3rd, on the pipeline be connected with the bed die cylinder at the mold cylinder, one-way speed-regulating valve, reversing valve and relief valve have been installed, control by Controlling System, can realize that on the one hand quenching process completes quenching according to the program of setting all the time, but the quench size of power of the pressure between accurate adjustment upper/lower die cylinder on the other hand.Exerting oneself of this device can be regulated at tens N between hundreds of KN, the pressure power regulation range of quenching is large, the pressure speed of quenching is adjustable, time that enters to quench is short, the distortion of quenching workpiece is little, effectively guarantee the quenching quality, reduced so that eliminate quenching strain, quenching technology and control techniques are improved greatly, can meet the requirement of various snare class quenching operating modes; The 4th, workpiece completes quenching process in the box-shaped oil groove, and part body is immersed in cooling oil, and the environment cleaning is difficult for during quenching catching fire, and oil smoke is less, is conducive to environmental protection.
The accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is the structural representation of bed die oil outlet of the present invention;
Accompanying drawing 3 is the structural representation of injection loop of the present invention.
Embodiment
In figure, 1-mold cylinder, 2-crossbeam, 3-top shoe, 4-mold, 5-quenched workpiece, 6-pod, 7-bed die, 8-sliding block, 9-injection loop, 10-oil sump, 11-base, 12-bed die cylinder, 13-precision pressure gauge, 14-relief valve, 15-reversing valve II, 16-pressure duct, 17-cooling oil oil pipe, 18-guide rail, 19-one-way speed-regulating valve, 20-reversing valve I, 21-column, oil nozzle on 22-injection loop, 23-baffle plate.
As shown in Figure 1, 2, 3, the lathe bed of this device by base 11, be arranged on the column 21 of chassis left side and be arranged on that the crossbeam 2 of column upper end forms, floor installation is in oil sump 10, vertical guide rail 18 is installed on column, be separately installed with top shoe 3 and sliding block 8 on guide rail, mold cylinder 1, bed die cylinder 12 are separately fixed on crossbeam and base, and the dead in line of upper and lower mould cylinder, mold 4 is connected with sliding block with top shoe respectively with bed die 7, and the piston rod of mold cylinder and bed die cylinder is connected with sliding block with top shoe respectively.Mold and bed die are the circular cone stage body, at the outer round surface of circular cone stage body, are evenly equipped with diversion trench.
The high pressure gas that high-pressure system provides is connected respectively with the bed die cylinder with the mold cylinder by pressure duct 16 respectively.On the high pressure gas pipeline wherein be connected with the mold cylinder, reversing valve I20 is installed, this reversing valve I is the 3 position-5 way solenoid operated directional valve, the import of 3 position-5 way solenoid operated directional valve is connected with the high pressure gas pipeline, an outlet in the 3 position-5 way solenoid operated directional valve is connected with the epicoele of mold cylinder by pipeline, and another outlet is connected with the cavity of resorption of mold cylinder with the one-way speed-regulating valve 19 on being arranged on pipeline by pipeline.
Be separately installed with relief valve 14 on the high pressure gas pipeline be connected with the upper and lower chamber of bed die cylinder, wherein on the pipeline of the relief valve outlet be connected with bed die cylinder epicoele, reversing valve II15 is installed, what this reversing valve II adopted is the two-bit triplet magnetic valve, on the pipeline of the relief valve outlet be connected with bed die cylinder cavity of resorption, precision pressure gauge 13 is installed, above-mentioned relief valve is the precise pressure regulating valve that precision is higher.
The quenching working process is as follows:
1, this die quenching device is in original position: the bed die cylinder promotes sliding block and bed die in upper, and the mold cylinder is mentioned top shoe and mold in upper;
2, the workpiece of being quenched that heating is come out of the stove, by mechanical manipulator or artificial the crawl, is put on the upper conical surface of bed die;
3, start button, automated cycle starts: above touch that the tool cylinder promotes top shoe, mold is descending, when the mold conical surface touches the endoporus fillet of the workpiece of being quenched, because the cavity of resorption of bed die cylinder passes into the pressurized air of setting all the time, and the pressure perseverance of mold cylinder is greater than the bed die cylinder, now upper and lower mould cylinder relatively with the workpiece application of force of being quenched, the red heat workpiece of being quenched is pressed together on mould, implement initial correction, then, the mold cylinder continues afterburning, when reinforcing is greater than the setting pressure of bed die cylinder relief valve, the relief valve overflow, lose heart, it is descending that the mold cylinder promotes the bed die cylinder, the workpiece and upper of being quenched, bed die pushes oil sump together, meanwhile, be arranged on the cooling oil operation of oil pump in oil sump, cooling oil is divided into to two-way by cooling oil oil pipe 17, one tunnel enters in sliding block 8, the passage be connected with bed die 7 by sliding block enters in bed die, by oil outlet 6 ejections on bed die, by pod by the uniform internal surface that is injected in the workpiece of being quenched of cooling oil, make cooling oil at the whirlpool that forms current downflow between the internal surface of the workpiece of being quenched and bed die male cone (strobilus masculinus), another road cooling oil enters in the injection loop 9 on the column 21 be fixed in oil sump 10, injection loop is made " C ”Xing garden ring by steel pipe, " ring two ends, C ”Xing garden are fixed on the column both sides, cooling oil oil pipe and " C ”Xing garden ring inner chamber UNICOM, " have nozzle opening on the ring-type medial surface of C ”Xing garden, the injection direction of nozzle opening is to tilt in the same way, also can " be evenly equipped with the baffle plate 23 tilted in the same way on the ring-type medial surface of C ”Xing garden, baffle plate with " on the inboard relative face of C ”Xing garden ring-type, have nozzle opening, after cooling oil sprays by nozzle opening, formed a mobile whirlpool rapidly by the outer surface of workpiece of quenching, destroy on the one hand the gasification layer on the inside and outside cylindrical surface of the workpiece of being quenched, eliminated the quenching soft spot formed because of the gasification of inside and outside surface, on the other hand can be cooling by the workpiece of quenching rapidly.In above-mentioned quenching process, upper and lower mould acts on by the workpiece of quenching in the constant pressure of setting all the time, resists the distortion of the workpiece quenching process of being quenched.
4, after quenching process finishes, be arranged on reversing valve I and reversing valve II commutation on upper and lower mould cylinder pipeline, the mold cylinder is up, mold promotes, quenching workpiece rises to starting position in company with bed die, start mechanical manipulator or manually catch away hard-tempered workpiece, a working cycle completes, and original position is waited for the beginning of next circulation.

Claims (7)

1. one kind for saturating quench steel lasso class die quenching device, comprise by base, be arranged on the column of base one side and the lathe bed of the crossbeam composition that is arranged on the column upper end, floor installation is in oil sump, guide rail is installed on column, be separately installed with top shoe and sliding block on guide rail, the mold cylinder, the bed die cylinder is separately fixed on crossbeam and base, and on, the dead in line of bed die cylinder, mold is connected with sliding block with top shoe respectively with bed die, and the piston rod of mold cylinder and bed die cylinder is connected with sliding block with top shoe respectively, it is characterized in that mold cylinder (1) is connected with high-pressure system by pressure duct (16) with bed die cylinder (12), be separately installed with the one-way speed-regulating valve (19) and the reversing valve I(20 that control mold cylinder speed and direction on the pressure duct be connected with the mold cylinder), be separately installed with the relief valve (14) and the reversing valve II(15 that control bed die cylinder pressure and direction on the pressure duct be connected with bed die cylinder (12)), quenching is divided into two-way by the cooling oil oil pump with the cooling oil oil pipe (17) be connected with the cooling oil oil pump with cooling oil, one tunnel enters in sliding block (8), by sliding block, with the passage that bed die (7) is connected, enter in bed die, be provided with oil outlet (6) on by bed die, another road is connected with the injection loop (9) on the column (21) be fixed in oil sump (10) by oil pipe.
2. according to claim 1 for saturating quench steel lasso class die quenching device, it is characterized in that above-mentioned and mold (4) and bed die (7) are the circular cone stage body, be evenly equipped with diversion trench at the outer round surface of circular cone stage body.
3. according to claim 2 for saturating quench steel lasso class die quenching device, it is characterized in that the above-mentioned pressure duct (16) be connected with bed die cylinder (12) with mold cylinder (1) is the high pressure gas pipeline, the reversing valve I(20 installed on the high pressure gas pipeline wherein be connected with mold cylinder (1)) be the 3 position-5 way solenoid operated directional valve, the import of 3 position-5 way solenoid operated directional valve is connected with the high pressure gas pipeline, an outlet in the 3 position-5 way solenoid operated directional valve is connected with the epicoele of mold cylinder by pipeline, another outlet is connected with the cavity of resorption of mold cylinder with the one-way speed-regulating valve (19) on being arranged on pipeline by pipeline, be separately installed with relief valve (14) on the high pressure gas pipeline be connected with the upper and lower chamber of bed die cylinder (12), on the pipeline wherein be connected with epicoele in the bed die cylinder in relief valve (14) outlet, reversing valve II(15 is installed), this reversing valve II is the two-bit triplet solenoid operated directional valve.
4. according to claim 3 for saturating quench steel lasso class die quenching device, it is characterized in that above-mentioned relief valve (14) is precise pressure regulating valve.
5. according to claim 4 for saturating quench steel lasso class die quenching device, it is characterized in that, at the oil outlet place of above-mentioned bed die (7) upper surface, pod (6) is installed, the bowl-type cover that the structure of above-mentioned pod is back-off, the periphery of bowl-type cover and bed die upper surface has breach.
6. according to claim 5 for saturating quench steel lasso class die quenching device, it is characterized in that above-mentioned injection loop (9) makes " C ”Xing garden ring by metal tube, " ring two ends, C ”Xing garden are fixed on column (21) both sides, cooling oil oil pipe (17) and " C ”Xing garden ring inner chamber UNICOM, " have nozzle opening (22) on the ring-type medial surface of C ”Xing garden, the injection direction of nozzle opening is to tilt in the same way.
7. according to claim 5 for saturating quench steel lasso class die quenching device, it is characterized in that above-mentioned injection loop (9) makes " C ”Xing garden ring by metal tube, " ring two ends, C ”Xing garden are fixed on column (21) both sides, cooling oil oil pipe (17) and " C ”Xing garden ring inner chamber UNICOM, " be evenly equipped with in the same way the baffle plate (23) tilted on the ring-type medial surface of C ”Xing garden, baffle plate with " on the relative face in C ”Xing garden ring-type inboard, have nozzle opening (22).
CN201310365903.5A 2013-08-19 2013-08-19 For quenching steel lasso class die quenching device thoroughly Active CN103451406B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1546879A (en) * 2003-12-11 2004-11-17 高纪清 Molding pressed quench method and apparatus for automobile clutch metal disks accessory
CN101423883A (en) * 2008-12-19 2009-05-06 张光荣 Die quenching machine tool for numerical control force measurement
JP2009095869A (en) * 2007-10-18 2009-05-07 Aisin Takaoka Ltd Press-working apparatus and press-working method in die quenching method
JP2009101378A (en) * 2007-10-23 2009-05-14 Aisin Takaoka Ltd Pressing device for die quenching technique
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1546879A (en) * 2003-12-11 2004-11-17 高纪清 Molding pressed quench method and apparatus for automobile clutch metal disks accessory
JP2009095869A (en) * 2007-10-18 2009-05-07 Aisin Takaoka Ltd Press-working apparatus and press-working method in die quenching method
JP2009101378A (en) * 2007-10-23 2009-05-14 Aisin Takaoka Ltd Pressing device for die quenching technique
CN101423883A (en) * 2008-12-19 2009-05-06 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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