CN102758069B - Bearing propelled stirring quenching device - Google Patents
Bearing propelled stirring quenching device Download PDFInfo
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- CN102758069B CN102758069B CN 201110074651 CN201110074651A CN102758069B CN 102758069 B CN102758069 B CN 102758069B CN 201110074651 CN201110074651 CN 201110074651 CN 201110074651 A CN201110074651 A CN 201110074651A CN 102758069 B CN102758069 B CN 102758069B
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- 238000010791 quenching Methods 0.000 title claims abstract description 80
- 230000000171 quenching effect Effects 0.000 title claims abstract description 77
- 238000003756 stirring Methods 0.000 title claims abstract description 12
- 239000012530 fluid Substances 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000001816 cooling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical class [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a bearing propelled stirring quenching device comprising a quenching oil tank, three oil propellers with a same structure, and three fluid directors with a same structure. The three oil propellers are arranged at the quenching oil tank with same distances along a circumferential direction. The three fluid directors are arranged at the bottom of the quenching oil tank with same distances along a circumferential direction. Directing tubes of the three fluid directors are arranged along a circumferential direction, and are arranged with a 30 DEG elevation angle upward. The oil propellers are assembled by using parts of oil transmission tubes, propeller shafts, propeller blades, cylindrical joints, punched bends, and the like. Oil inlet holes on the upper parts of the oil transmission tubes of the three oil propellers are respectively connected with oil outlet holes on the quenching oil tank through pipelines. Punched bends of the three oil propellers are respectively connected with connection bends of the three fluid directors through three bend through holes at the lower part of the quenching oil tank. With the device provided by the invention, large bearing quenching hardness and hardness uniformity are improved, and bearing quality and bearing service life are improved.
Description
Technical field
The present invention relates to a kind of Bearing Quenching device, particularly relate to a kind of quenching device of super-huge stainless steel bearing.
Background technology
Thermal treatment is the respective metal material to be heated to certain temperature and to be incubated that certain hour cools off to change its metallic substance internal structure more fast and the mechanical property that strengthens metallic substance.The thermal treatment of extra large size bearing component occupies extremely important status in the bearing manufacturing, because the extra large size bearing net thickness is too large, head and shoulders above the hardening capacity of material, simultaneously because large-scale bearing ring discharges amount of heat when quenching and the time is longer, it is very fast that local oil temperature is heated up, conventional quench cooled mode adopts suspender by the cold mode of crane string, because workpiece is excessive, the cold frequency of going here and there is slower, make the quenching oil steam film stage longer, quenching oil and the direct contact cooling of red-hot workpiece have been isolated, be unfavorable for that thereby quenching oil enters as early as possible boiling stage and makes work-piece cools slow, cause the on the low side or generation hardness uneven phenomenon of workpiece hardness, can't guarantee the quality of quenching, make finished product not reach design requirements.
Summary of the invention
The purpose of this invention is to provide a kind of bearing thrusting type stirring quenching device, the design of this device is for improving extra large size bearing part heat-treatment quenching cooling performance, in super-huge oil-quenching tank quenching oil being carried out push type stirs, improve the speed of cooling of quenching oil, making it to reach everywhere, oil temperature evenly distributes, realize the fast purpose of cooling, improved quenching hardness and the uniformity of hardness of extra large size bearing, make the large size bearing Internal and external cycle of processing through this quench cooled reach design requirements.
The technical scheme that adopts is:
A kind of bearing thrusting type stirring quenching device comprises an oil quenching bath, three oily thrusters and three directors; The pool wall of oil quenching bath is the round shape pool wall, on the top of the round shape pool wall of oil quenching bath, along the circumferential direction equidistantly offers three outlet-ports; In the bottom of the round shape pool wall of oil quenching bath, along the circumferential direction equidistantly offer three elbow through holes; It is characterized in that:
Described three oily thrusters are structurally identical;
The oil thruster, comprise oil transportation cylinder, thruster rotating shaft, propeller blade, cylinder-shaped joint, punched bend and motor, the thruster rotating shaft vertically is installed in the oil transportation cylinder, thruster rotating shaft top is supported by the head bearing assembly that is installed in the top chock, and the head bearing assembly is assembled into by clutch shaft bearing and the first outside framework oil seal; Top chock is connected by flange with oil transportation cylinder upper port, and top chock seals oil transportation cylinder upper port; Thruster rotating shaft bottom is supported by the second bearing that is installed in the step; Step is fixed on and sets the position in the oil transportation cylinder; Propeller blade is fixed on the lower end of thruster rotating shaft;
Oil transportation cylinder top offers oil supply hole, and the upper end of cylinder-shaped joint is connected with oil transportation cylinder lower end, and the lower end of cylinder-shaped joint is connected with the upper end of punched bend;
The thruster rotating shaft is by electric motor driving;
Three oily thrusters are separately positioned on the outside of oil quenching bath, and along the circumferential direction equidistant laying (namely be separated by 120 ° and lay), oil supply hole on three angle of rake oil transportation cylinders of oil connects by outlet-port corresponding on pipeline and the oil quenching bath respectively, reaches non-leakage quenching oil; The lower end of three angle of rake punched bends of oil respectively with the corresponding connection of three elbow through holes of the round shape pool wall bottom of oil quenching bath;
Described three directors are structurally identical;
Director comprises connecting bend and guide shell, and the lower end of connecting bend is connected with guide shell;
Three directors are arranged in the oil quenching bath, three directors are in oil quenching bath along the circumferential direction equidistant laying of bottom, the radius-of-curvature of three directors is consistent with the inner circle of oil quenching bath, the guide shell of three directors is respectively along circumferential direction, and upwards have 30 to spend the elevations angle, the oil outlet of three guide shells all in the same direction, the upper end of the connecting bend of three directors respectively with the quenching oil pool wall on corresponding elbow through hole connect, thereby the lower end that makes three angle of rake punched bends of oil respectively with the corresponding connection in upper end of three connecting bends of three directors;
Above-mentioned oil quenching bath and three oily thrusters can be arranged in the uncovered outer casing.
Above-mentioned oil transportation cylinder can make Split type structure, is is namely connected and composed by oil cylinder and lower oil cylinder, and the mode of connection of oil cylinder and lower oil cylinder can be welding, is threaded, and flange connects or connects by circular connector.
The present invention has following advantage:
1, since large-scale bearing ring when quenching, it is longer to discharge amount of heat and time.So oil temperature is higher on every side, affect the quenching quality, must increase the convection velocity of quenching oil, the oil that the race ring surrounding temperature is higher flows to other places, changes the lower oil of temperature into and continues the cooling bearing circle, just can reach quenching effect.
2, this device is installed three uniform quenching oil thrusters around oil sump, make the consistent and stack of three oily flow path directions of the stirring-type angle of rake propelling of oil by guiding device, quenching oil in the round oil sump is along the circumferential direction flowed quickly, form quick convection current with workpiece surface, the steam film of quenching oil is broken fast, enter boiling and convection current stage, thereby hot workpiece is cooled off fast.
3, the quenching oil that stirs is evenly distributed on the guiding device of oil quenching bath inboard by 120 degree, make quenching oil form quick convection current, spout evenly distributes in oil quenching bath, the radius-of-curvature of the guide shell of guiding device is consistent with the inner circle of oil quenching bath, the interference that guarantees quenching oil-out circuit and oil sump sidewall is minimum, thereby reaches the convection losses minimum.
If 4 coolant temperatures are higher, cooling steam film overlong time will not reach the required speed of cooling of workpiece quenching, do not reach the thermal effectiveness of expection, we have adopted above-mentioned pusher quenching to stir and convection device reaches the purpose of forcing cooling and reducing near the oil temperature of race ring.Adopt the aforesaid method large-scale bearing ring that quenches to meet design requirements, improved the quality of products and stability, increased economic benefit.
Description of drawings
Fig. 1 is a kind of example structure synoptic diagram of the present invention.
Fig. 2 is that director is at oil quenching bath bottom installation position synoptic diagram.
Fig. 3 is that oily thruster is laid synoptic diagram outside oil quenching bath.
Embodiment
A kind of bearing thrusting type stirring quenching device comprises it is characterized in that the guard shield 8 of oil quenching bath 1, the first oily thruster 2, the second oily thruster 3, the 3rd oily thruster 4, the first director 5, the second director 6, the 3rd director 7 and upper shed:
The pool wall 9 of oil quenching bath 1 is round shape, along the circumferential direction equidistantly on the top of pool wall 9 offers three outlet-ports; Along the circumferential direction the angle between the equidistant center of circle that offers the first elbow through hole 10, the second elbow through hole 11 and triple section arm through hole 12, the first elbow through holes 10, the second elbow through hole 11 and triple section arm through hole 12 is 120 ° in the bottom of pool wall 9;
The first oily thruster comprises oil transportation cylinder 13, thruster rotating shaft 14, propeller blade 15, top chock 16, step 17, cylinder-shaped joint 18 and punched bend 19; Oil transportation cylinder 13 is welded to connect structure in aggregates by oil cylinder 20 and lower oil cylinder 21 by circular connector 22, oil transportation cylinder 13 tops offer oil supply hole, the upper end of cylinder-shaped joint 18 is connected with the lower end of oil transportation cylinder 13, and the lower end of cylinder-shaped joint 18 is connected with the upper end of punched bend 19; Top chock 16 is arranged on the upper port place of oil transportation cylinder 13, and top chock 16 is connected in aggregates with oil transportation cylinder 13 by flange; Step 17 is arranged in the oil transportation cylinder 13, is stuck on the fixture block 23 on circular connector 22 inwalls; Thruster rotating shaft 14 is arranged in the oil transportation cylinder 13, the top of thruster rotating shaft 14 is supported by the head bearing assembly that is installed in the top chock 16, the head bearing assembly is assembled into by clutch shaft bearing 24 and the first outside framework oil seal 25, and top chock 16 seals the upper port of oil transportation cylinder 13; The bottom of thruster rotating shaft 14 is supported by the second bearing 26 that is installed in the step 17, and propeller blade 15 is fixed on the lower end of thruster rotating shaft 14; The upper end of thruster rotating shaft 14 is equiped with belt pulley 33, and this belt pulley 33 is connected by the belt pulley on the motor output shaft of belt and peripheral hardware;
The first oily thruster 2, the second oily thruster 3 are structurally identical with the 3rd oily thruster 4;
The first oily thruster 2, the second oily thruster 3 and the 3rd oily thruster 4 are arranged on the outside of oil quenching bath 1, and along the circumferential direction equidistant laying, the oil supply hole on the oil transportation cylinder of the first oily thruster 2, the second oily thruster 3 and the 3rd oily thruster 4 connect by the corresponding outlet-port on the pool wall 9 of pipeline and oil quenching bath 1 respectively; The lower end of the punched bend 19 of the first oily thruster 2, the second oily thruster 3 and the 3rd oily thruster 4 respectively with the pool wall 9 of oil quenching bath 1 on the first elbow through hole 10, the second elbow through hole 11 and the 12 corresponding connections of triple section arm through hole;
The first director 5 comprises that an end of the first connecting bend 27 and the first guide shell 28, the first connecting bends 27 is connected with the first guide shell 28, and the other end of the first connecting bend 27 is connected with the first elbow through hole 10; The second director 6 comprises that an end of the second connecting bend 29 and the second guide shell 30, the second connecting bends 29 is connected with the second guide shell 30, and the other end of the second connecting bend 29 is connected with the second elbow through hole 11; The 3rd director comprises that an end of the 3rd connecting bend 31 and the 3rd guide shell 32, the three connecting bends 31 is connected with the 3rd guide shell 32, and the other end of the 3rd connecting bend 31 is connected with triple section arm through hole 12;
The first director 5, the second director 6 and the 3rd director 7 are in the along the circumferential direction equidistant laying of the bottom of oil quenching bath 1; The first guide shell 28, the radius-of-curvature of the second guide shell 30 and the 3rd guide shell 32 is consistent with the inner circle of oil quenching bath, the interference that guarantees quenching oil-out circuit and oil sump sidewall is minimum, each guide shell is along circumferential direction and the 30 degree elevations angle are upwards arranged, each oil outlet all in the same direction, the oil stream that forms is made quick circumferential motion and is rolled up and down and played good stirring action in the circle oil sump, accelerating the quenching oil steam film breaks, enter fast the convection current stage, improved quench cooling rate, solved simultaneously the higher problem of local oil temperature, make the large-scale bearing ring hardness after the quenching reach design requirements, improved quality product, guarantee to produce and carry out smoothly.
Claims (2)
1. a bearing thrusting type stirring quenching device comprises an oil quenching bath, three oily thrusters and three directors, it is characterized in that:
The pool wall of described oil quenching bath is the round shape pool wall, on the top of the round shape pool wall of oil quenching bath, along the circumferential direction equidistantly offers three outlet-ports; In the bottom of the round shape pool wall of oil quenching bath, along the circumferential direction equidistantly offer three elbow through holes;
Described three oily thrusters are structurally identical;
The oil thruster, comprise oil transportation cylinder, thruster rotating shaft, propeller blade, cylinder-shaped joint, punched bend and motor, the thruster rotating shaft vertically is installed in the oil transportation cylinder, thruster rotating shaft top is supported by the head bearing assembly that is installed in the top chock, and the head bearing assembly is assembled into by clutch shaft bearing and the first outside framework oil seal; Top chock is connected by flange with oil transportation cylinder upper port, and top chock seals oil transportation cylinder upper port; Thruster rotating shaft bottom is supported by the second bearing that is installed in the step; Step is fixed on and sets the position in the oil transportation cylinder; Propeller blade is fixed on the lower end of thruster rotating shaft;
Oil transportation cylinder top offers oil supply hole, and the upper end of cylinder-shaped joint is connected with oil transportation cylinder lower end, and the lower end of cylinder-shaped joint is connected with the upper end of punched bend;
The thruster rotating shaft is by electric motor driving;
Three oily thrusters are separately positioned on the outside of oil quenching bath, and along the circumferential direction equidistant laying, and the oil supply hole on three angle of rake oil transportation cylinders of oil connects by outlet-port corresponding on pipeline and the oil quenching bath respectively; The lower end of three angle of rake punched bends of oil respectively with the corresponding connection of three elbow through holes of the round shape pool wall bottom of oil quenching bath;
Described three directors are structurally identical;
Director comprises connecting bend and guide shell, and the lower end of connecting bend is connected with guide shell;
Three directors are arranged in the oil quenching bath, three directors are in oil quenching bath along the circumferential direction equidistant laying of bottom, the radius-of-curvature of three directors is consistent with the inner circle of oil quenching bath, the guide shell of three directors is respectively along circumferential direction, and upwards have 30 to spend the elevations angle, the oil outlet of three guide shells all in the same direction, the upper end of the connecting bend of three directors respectively with the quenching oil pool wall on corresponding elbow through hole connect, thereby the lower end that makes three angle of rake punched bends of oil respectively with the corresponding connection in upper end of three connecting bends of three directors.
2. a kind of bearing thrusting type stirring quenching device according to claim 1 is characterized in that described oil quenching bath and three oily thrusters are arranged in the uncovered outer casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110074651 CN102758069B (en) | 2011-03-28 | 2011-03-28 | Bearing propelled stirring quenching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110074651 CN102758069B (en) | 2011-03-28 | 2011-03-28 | Bearing propelled stirring quenching device |
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| CN102758069A CN102758069A (en) | 2012-10-31 |
| CN102758069B true CN102758069B (en) | 2013-10-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103643010A (en) * | 2013-11-27 | 2014-03-19 | 江苏浩特隆搅拌设备有限公司 | Stirring device of quenching tank |
| CN103924048B (en) * | 2013-12-24 | 2017-02-22 | 葫芦岛市威力机械制造有限公司 | Quenching medium stirring cooling device |
| CN106048165A (en) * | 2016-07-28 | 2016-10-26 | 河南省天利工业炉有限公司 | Comprehensive system device for quenching tank |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201459199U (en) * | 2009-07-01 | 2010-05-12 | 上海盈锐机电设备有限公司 | Fully-automatic continuous heat treatment device for aluminum alloy hub |
| CN101880761A (en) * | 2010-06-13 | 2010-11-10 | 哈尔滨轴承集团公司 | Texture thinning processor for large bearing material |
| CN202072735U (en) * | 2011-03-28 | 2011-12-14 | 瓦房店冶矿轴承制造有限公司 | Bearing thrusting type stirring quenching device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3151681B2 (en) * | 1992-01-27 | 2001-04-03 | エヌティエヌ株式会社 | Oil quenching equipment |
| JP5211453B2 (en) * | 2006-08-30 | 2013-06-12 | 日本精工株式会社 | Rolling bearing |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201459199U (en) * | 2009-07-01 | 2010-05-12 | 上海盈锐机电设备有限公司 | Fully-automatic continuous heat treatment device for aluminum alloy hub |
| CN101880761A (en) * | 2010-06-13 | 2010-11-10 | 哈尔滨轴承集团公司 | Texture thinning processor for large bearing material |
| CN202072735U (en) * | 2011-03-28 | 2011-12-14 | 瓦房店冶矿轴承制造有限公司 | Bearing thrusting type stirring quenching device |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2008-56969A 2008.03.13 |
| JP特开平5-202414A 1993.08.10 |
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| CN102758069A (en) | 2012-10-31 |
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Denomination of invention: A bearing push type stirring quenching device Effective date of registration: 20211014 Granted publication date: 20131030 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2021210000070 |
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Date of cancellation: 20230213 Granted publication date: 20131030 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2021210000070 |
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Denomination of invention: A bearing push-type stirring quenching device Effective date of registration: 20230216 Granted publication date: 20131030 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2023980032865 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20131030 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2023980032865 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A bearing driven stirring quenching device Granted publication date: 20131030 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2024980003882 |