CN102382954A - On-line continuous quenching device for skew-rolled ball-milled steel balls - Google Patents
On-line continuous quenching device for skew-rolled ball-milled steel balls Download PDFInfo
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- CN102382954A CN102382954A CN2011103408752A CN201110340875A CN102382954A CN 102382954 A CN102382954 A CN 102382954A CN 2011103408752 A CN2011103408752 A CN 2011103408752A CN 201110340875 A CN201110340875 A CN 201110340875A CN 102382954 A CN102382954 A CN 102382954A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The present invention provides an on-line continuous quenching device for skew-rolled ball-milled steel balls, which comprises the following components: a variable-frequency control motor, a decelerator, a coupling, a rotating wheel, a wheel hub, a ribbed plate, a shaft, a bearing support, a material inlet chute, a material outlet chute and a water tank. Stepless variable-frequency speed regulation of the variable-frequency control motor realizes stepless is realized through a variable-frequency control system for accurately controlling speed of the rotating wheel. The decelerator and the variable-frequency control motor act together for reducing the rotation speed of the runner to 0.2-3RPM. The coupling connects an output shaft of the speed reducer with the shaft which is equipped on the bearing support. The rotating wheel is used for driving the steel ball into quenching medium for quenching. A material inlet chute and a material outlet chute are provided at two sides of the shaft. The on-line continuous quenching device for skew-rolled ball-milled steel balls has the following beneficial effects: capability of performing on-line heat treatment for the steel balls; no effect for original production capability of a ball rolling machine; continuous production; capability of utilizing waste heat after rolling of the steel ball for performing continuous quenching for saving energy; continuous quenching after rolling of the steel ball for realizing after-rolling deformation heat-treatment of the steel balls for improving product quality; accurate time control, stable process, low noise and high automation degree.
Description
Technical field
The invention belongs to metal forming technology and equipment technology field, provide a kind of being applicable to utilize oblique milling ball milling steel ball waste heat that steel ball is carried out continuous quenching especially
Oblique milling ball milling steel ball on-line continuous quenching device
Background technology
The ball milling steel ball is widely used in the various ores of grinding and other material, is widely used in industries such as ore dressing, cement and thermal power generation.Ore consumptions such as China's iron ore, copper mine, cement ore deposit, generating need steel ball more than 2,000,000 tons more than 3,000,000,000 tons.
The steel ball method of manufacture mainly contains forging, casting, production technique such as rolling.Advantages such as rolling is produced steel ball, has the production efficiency height, and PM can be produced 60 ~ 180 steel balls, and material use efficiency is up to 98%, and dimensional precision is high, and cost is low, and quality is good are a kind of advanced person's ball-mill steel ball producing process.Ball milling steel ball after rolling generally need carry out quench treatment, to improve ball hardness and wear resisting property.
Summary of the invention
The invention provides a kind of oblique milling ball milling steel ball waste heat that utilizes and carry out continuous quenching device.Set up quenching press at the back at ball rolling mill, utilize the waste heat behind the steel ball rolling to quench, need not heating, save the energy.Waste heat carries out continuous quenching after utilizing the steel ball oblique milling in addition, can realize thermomechanical treatment behind the rolled steel balls, can improve the quality of products.
Technical scheme of the present invention is:
A kind of oblique milling ball milling steel ball on-line continuous quenching device,Supporting steel ball quenching apparatus that adopts and ball rolling machine form the production line of working continuously; Can carry out online thermal treatment to steel ball; Do not influence the original throughput of ball rolling machine, be used for the press quenching thermal treatment of Φ 20 ~ 80mm hot rolling ball milling steel ball, can be used for the quenching heat treatment of the above steel ball of Φ 80mm yet.
Technical scheme of the present invention is: a kind of
Oblique milling ball milling steel ball on-line continuous quenching device, this deviceComprise VFC motor, speed reduction unit, shaft coupling, runner, wheel hub, floor, axle, chock, pan feeding chute, discharging chute and tank;
Wherein, said VFC motor so that accurately control the speed of said runner, and then is realized temperature control accurately by the stepless frequency control of frequency-changing control system realization motor as required;
Said speed reduction unit and the acting in conjunction of VFC motor are between said runner speed drop to 0.2 ~ 3RPM;
Said shaft coupling connects the output shaft of said speed reduction unit with said axle on being installed in said chock;
Said runner is used for driving steel ball entering quenchant and quenches, and takes steel ball out of said tank; Said runner is installed on the said axle through said wheel hub, is provided with said floor all around and reinforces; Said runner is by steel ring, baffle plate, dividing plate and disc; Said disc and equidistance are provided with the end welding of a plurality of said dividing plates; The other end of said dividing plate and the welding of said baffle plate; Said steel ring axially is uniformly distributed with 10-20 along said disc; Be welded on the said dividing plate, the space between said steel ring and the steel ring is not less than 3/4 of steel ball size d, and said wheel hub welds the central position of said disc;
Said pan feeding chute and said discharging chute are located at the both sides of said axle, and the mounting height of said pan feeding chute is lower than the axial line of said runner, and with the angle of the axial line of said runner be α; The spacing Li of said pan feeding chute and said dividing plate is greater than the steel ball radius r; Said discharging chute mounting height is lower than the axial line of said runner, and with the angle of the axial line of said runner be β, the spacing Lo of said discharging chute and said dividing plate is less than the steel ball radius r;
Said tank is used to store quenchant; Said runner is as in the said tank, and the inwall length L p of said tank is greater than the diameter Dz of said runner, and its inwall width W is greater than the width W z of said runner, and depth H p is greater than the radius R z of said runner; Said tank adopts steel plate welding or cement material to build by laying bricks or stones.
Further, the diameter of said disc is a 1-3 rice; And be provided with 30-50 diameter and be the through hole that 80-200mm is used for increasing the flowability of runner separate space water.
Further, the hole that it is 50-100mm that said baffle plate is provided with 20-40 diameter with being uniformly distributed along the circumference is used for increasing the flowability of runner separate space water.
The invention has the advantages that:
1) the supporting steel ball quenching apparatus of the present invention's employing and ball rolling machine form the production line of working continuously, and can carry out online thermal treatment to steel ball, do not influence the original throughput of ball rolling machine, can realize continuous production;
2) utilize rolled steel balls after waste heat carry out continuous quenching, save the energy;
3) carry out continuous quenching behind the rolled steel balls, can realize thermomechanical treatment behind the rolled steel balls, can improve the quality of products;
4) have time control accurately, process stabilizing, low, the level of automation advantages of higher of noise.
Description of drawings
Fig. 1 is an oblique milling ball milling steel ball on-line continuous quenching device structural representation of the present invention.
Fig. 2 is the structure and the installation site enlarged diagram of pan feeding chute of the present invention.
Fig. 3 is the structure and the installation site enlarged diagram of discharging chute of the present invention.
Fig. 4 is the structure installation site front view direction enlarged diagram of discharging chute of the present invention.
Fig. 5 looks synoptic diagram for a tank and a left side, runner installation site.
Fig. 6 is the main synoptic diagram of looking of tank and runner installation site
Fig. 7 is the structural representation of runner of the present invention.
Fig. 8 is the structural representation of baffle plate of the present invention.
Fig. 9 is the structural representation of disc of the present invention.
Among the figure:
1. VFC motor, 2. speed reduction unit, 3. shaft coupling, 4. runner, 5. spool, 6. chock, 7. feed chute, 8. blow tank, 9. tank, 10. steel ring, 11. baffle plates, 12. dividing plates, 13. disc, 14. wheel hubs, 15. floors.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is further specified.
Shown in Fig. 1-7, the present invention is a kind of
Oblique milling ball milling steel ball on-line continuous quenching device, this deviceComprise VFC motor 1, speed reduction unit 2, shaft coupling 3, runner 4, axle 5, chock 6, pan feeding chute 7, discharging chute 8, tank 9 wheel hubs 14 and floor 15;
Wherein, runner 4 by steel ring 10, baffle plate 11, dividing plate 12, disc 13, form; Disc 13 welds with the end that equidistance is provided with a plurality of dividing plates 12, the other end of dividing plate 12 and baffle plate 11 welding, and steel ring axially is uniformly distributed with 10-20 along disc, be welded on the dividing plate 12, and the space between steel ring and the steel ring is not less than 3/4 of steel ball size d;
VFC motor 1 is connected with speed reduction unit 2, and the output shaft of speed reduction unit 2 connects with bearing 5 on being installed in chock 6 through shaft coupling 3; Runner 4 is installed on the axle 5 through wheel hub 14, is provided with floor 15 around the wheel hub 14 and reinforces; Pan feeding chute 7 and discharging chute 8 are arranged on the both sides of the axle 5 in the runner 4, and the mounting height of pan feeding chute 7 is lower than the axial line of runner 4, and with the angle of the axial line of runner 4 be α; The spacing Li of pan feeding chute 7 and said dividing plate 12 is greater than the steel ball radius r; Discharging chute 8 mounting heights are lower than the axial line of institute's runner 4, and with the angle of the axial line of runner 4 be β, and the spacing Lo of discharging chute 8 and dividing plate 12 is less than the steel ball radius r; Runner 4 places in the tank 9, and inboard wall of cistern length L p is greater than the diameter Dz of runner, and width W is greater than the width W z of runner, and depth H p is greater than the radius R z of runner.
Be illustrated in figure 8 as the structural representation of baffle plate of the present invention.The hole that it is 50 ~ 100mm that baffle plate 11 has 20 ~ 40 diameters with being uniformly distributed along the circumference is used for increasing the flowability of runner 4 separate space water.
Be illustrated in figure 9 as the structural representation of disc of the present invention.Disc 13 diameters are between 1 ~ 3 meter.When ball-mill steel spherical diameter hour, the disc diameter gets the small value; When sphere diameter was big, the disc diameter was got higher value.The circular hole that to have 30 ~ 50 diameters on the disc 13 be 80 ~ 200mm mainly is the flowability that increases water in runner 4 separate spaces, makes quenching technology more stable.
Principle of work of the present invention:
After the ball milling steel ball is produced in the oblique roll process hot rolling, control the cool time according to outlet temperature through frequency-changing control system, the steel ball that will be cooled to 780 ~ 880 ℃ through transfer mechanism is delivered to
Quenching device Pan feeding chute 7 on; Steel ball will lean on deadweight to roll into automatically in the separate space between the dividing plate 12 of runner 4, drive runners 4 through speed reduction unit 2 with shaft coupling 3 by VFC motor 1 and rotate according to pre-set velocity, and steel ball gets in the tank 9 with rotating; Tank 9 current are through the through hole of through hole, the space between the steel ring 10 and baffle plate 11 on the disc 13; Steel ball in the separate space quenches, and accomplishes and quenches, and dividing plate 12 will be surfaced by opposite side; Steel ball will rely on deadweight to roll into discharging chute 8 automatically, rolled out by discharging chute 8 again.The ball-mill steel bulb temperature that rolls out need remain on 180 ~ 300 ℃, realizes oblique milling ball milling steel ball on-line continuous quenching technology.
Claims (3)
1. one kind
Oblique milling ball milling steel ball on-line continuous quenching device, this deviceComprise VFC motor (1), speed reduction unit (2), shaft coupling (3), runner (4), axle (5), chock (6), pan feeding chute (7), discharging chute (8), tank (9), wheel hub (14) and floor (15);
Wherein, said VFC motor (1) so that accurately control the speed of said runner (4), and then is realized temperature control accurately by the stepless frequency control of frequency-changing control system realization motor as required;
Said speed reduction unit (2) and the acting in conjunction of VFC motor are between said runner (4) speed drop to 0.2 ~ 3RPM;
Said shaft coupling (3) connects the output shaft of said speed reduction unit (2) with said axle (5) on being installed in said chock (6);
Said runner (4) is used for driving steel ball entering quenchant and quenches, and takes steel ball out of said tank (9); Said runner (4) is installed on the said axle (5) through said wheel hub (14), is provided with said floor (15) all around and reinforces; Said runner (4) is by steel ring (10), baffle plate (11), dividing plate (12) and disc (13); Said disc (13) welds with the end that equidistance is provided with a plurality of said dividing plates (12); The other end of said dividing plate (12) and said baffle plate (11) welding; Said steel ring (10) axially is uniformly distributed with 10-20 along said disc (13); Be welded on the said dividing plate (12), the space between said steel ring (10) and the steel ring (10) is not less than 3/4 of steel ball size d, and said wheel hub (14) welds the central position of said disc (13);
Said pan feeding chute (7) and said discharging chute (8) are located at the both sides of said axle (5), and the mounting height of said pan feeding chute (7) is lower than the axial line of said runner (4), and with the angle of the axial line of said runner (4) be α; The spacing Li of said pan feeding chute (7) and said dividing plate (12) is greater than the steel ball radius r; Said discharging chute (8) mounting height is lower than the axial line of said runner (4), and with the angle of the axial line of said runner (4) be β, the spacing Lo of said discharging chute (8) and said dividing plate (12) is less than the steel ball radius r;
Said tank (9) is used to store quenchant; Said runner (4) places said tank, and the inwall length L p of said tank (9) is greater than the diameter Dz of said runner (4), and its inwall width W is greater than the width W z of said runner (4), and depth H p is greater than the radius R z of said runner (4); Said tank (9) adopts steel plate welding or cement material to build by laying bricks or stones.
2. according to claim 1
Oblique milling ball milling steel ball on-line continuous quenching device, it is characterized in that the diameter of said disc (13) is a 1-3 rice; And it is the through hole that 80-200mm is used for increasing the flowability of runner separate space water that end face is provided with 30-50 diameter.
3. according to claim 1 and 2
Oblique milling ball milling steel ball on-line continuous quenching device, it is characterized in that the through hole that it is 50-100mm that said baffle plate (12) is provided with 20-40 diameter with being uniformly distributed along the circumference is used for increasing the flowability of runner separate space water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103408752A CN102382954B (en) | 2011-11-02 | 2011-11-02 | On-line continuous quenching device for skew-rolled ball-milled steel balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103408752A CN102382954B (en) | 2011-11-02 | 2011-11-02 | On-line continuous quenching device for skew-rolled ball-milled steel balls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102382954A true CN102382954A (en) | 2012-03-21 |
| CN102382954B CN102382954B (en) | 2012-11-28 |
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| CN2011103408752A Expired - Fee Related CN102382954B (en) | 2011-11-02 | 2011-11-02 | On-line continuous quenching device for skew-rolled ball-milled steel balls |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589849A (en) * | 2013-11-28 | 2014-02-19 | 济南惠信实业有限公司 | Heat treatment quenching apparatus used for steel ball with minor diameter |
| CN105420481A (en) * | 2015-12-17 | 2016-03-23 | 北京科技大学 | Oblique rolling and ball-milling steel ball quenching device |
| CN105506268A (en) * | 2015-12-17 | 2016-04-20 | 北京科技大学 | Control system based on thermal treatment device for LabVIEW skew-rolled ball-milled steel balls |
| CN105586474A (en) * | 2016-01-27 | 2016-05-18 | 安徽三山机械制造有限公司 | Vertical quenching equipment for large-diameter wheel |
| CN105695730A (en) * | 2016-03-25 | 2016-06-22 | 北京科技大学 | Intelligent control system and method for drum-type steel ball quenching device |
| CN107245561A (en) * | 2017-05-11 | 2017-10-13 | 上海泽奇炉业有限公司 | The water sky alternating time quenching cooling device and method of a kind of HI-chrome cast iron for grinding balls |
| CN107586922A (en) * | 2017-09-21 | 2018-01-16 | 四川鸿舰重型机械制造有限责任公司 | The online immediate quenching technique of U71MnU75V rolling steel balls |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104240A (en) * | 1985-04-14 | 1986-10-15 | 邯郸钢铁总厂 | Rolled steel balls for ball grinders using residual heat thermal treatment process and equipment |
| CN101058843A (en) * | 2006-04-21 | 2007-10-24 | 蔡平 | Steel ball quenching machine |
-
2011
- 2011-11-02 CN CN2011103408752A patent/CN102382954B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104240A (en) * | 1985-04-14 | 1986-10-15 | 邯郸钢铁总厂 | Rolled steel balls for ball grinders using residual heat thermal treatment process and equipment |
| CN101058843A (en) * | 2006-04-21 | 2007-10-24 | 蔡平 | Steel ball quenching machine |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589849A (en) * | 2013-11-28 | 2014-02-19 | 济南惠信实业有限公司 | Heat treatment quenching apparatus used for steel ball with minor diameter |
| CN105420481A (en) * | 2015-12-17 | 2016-03-23 | 北京科技大学 | Oblique rolling and ball-milling steel ball quenching device |
| CN105506268A (en) * | 2015-12-17 | 2016-04-20 | 北京科技大学 | Control system based on thermal treatment device for LabVIEW skew-rolled ball-milled steel balls |
| CN105420481B (en) * | 2015-12-17 | 2018-05-18 | 北京科技大学 | A kind of oblique milling ball milling steel ball quenching device |
| CN105586474A (en) * | 2016-01-27 | 2016-05-18 | 安徽三山机械制造有限公司 | Vertical quenching equipment for large-diameter wheel |
| CN105695730A (en) * | 2016-03-25 | 2016-06-22 | 北京科技大学 | Intelligent control system and method for drum-type steel ball quenching device |
| CN107245561A (en) * | 2017-05-11 | 2017-10-13 | 上海泽奇炉业有限公司 | The water sky alternating time quenching cooling device and method of a kind of HI-chrome cast iron for grinding balls |
| CN107245561B (en) * | 2017-05-11 | 2019-01-04 | 上海泽奇炉业有限公司 | A kind of water of HI-chrome cast iron for grinding balls-sky alternately time quenching cooling device and method |
| CN107586922A (en) * | 2017-09-21 | 2018-01-16 | 四川鸿舰重型机械制造有限责任公司 | The online immediate quenching technique of U71MnU75V rolling steel balls |
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| Publication number | Publication date |
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| CN102382954B (en) | 2012-11-28 |
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Granted publication date: 20121128 Termination date: 20211102 |