CN110964901A - Online continuous rotating cage type ball-milling steel ball quenching device - Google Patents
Online continuous rotating cage type ball-milling steel ball quenching device Download PDFInfo
- Publication number
- CN110964901A CN110964901A CN201911310545.1A CN201911310545A CN110964901A CN 110964901 A CN110964901 A CN 110964901A CN 201911310545 A CN201911310545 A CN 201911310545A CN 110964901 A CN110964901 A CN 110964901A
- Authority
- CN
- China
- Prior art keywords
- ball
- rotating cage
- steel
- cage
- rotating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to the technical field of metal plastic forming process and equipment, and provides an online continuous rotating cage type ball-milling steel ball quenching device which comprises a ball inlet cylinder, a rotating cage, a main shaft, a ball outlet cylinder, a water tank, a rack, a power unit and an outer cover, wherein the ball inlet cylinder is arranged on the main shaft; the rotating cage is arranged on the frame through a main shaft and can rotate around the main shaft; the rotating cage is positioned above the water tank, and the lower part of the rotating cage is immersed in water; the rotating cage is preferably of a polygonal structure, each side of the rotating cage polygon is formed by welding angle steel on a spoke, a plurality of rows of steel pipes are welded between adjacent angle steel in parallel, the steel pipes form a spiral structure, and a spiral track through which the steel balls roll is formed between adjacent steel pipes; the ball inlet cylinder and the ball outlet cylinder are respectively arranged on two end surfaces of the rotating cage; the outer cover is arranged on the upper part of the rotating cage; the power unit provides rotary power for the rotating cage through the main shaft. The invention adopts the steel tube to construct the rotating cage, the heat exchange between the steel ball and the water is sufficient, and the invention has the advantages of light weight, simple structure, convenient manufacture and installation, good quenching quality, stable, safe and reliable operation and the like.
Description
Technical Field
The invention relates to the technical field of metal plastic forming process and equipment, in particular to an online continuous rotating cage type ball milling steel ball quenching device.
Background
The ball-milling steel ball is widely applied to grinding various ores and other materials, is widely applied to industries such as mineral separation, cement, thermal power generation and the like, and is an industrial consumable product. The consumption of the steel balls in the world is 500-800 ten thousand tons every year, the consumption of the steel balls in China is 300-400 ten thousand tons, and the ball milling steel ball consumption is a big country.
The oblique rolling of steel balls is an important process for producing ball-milling steel balls, 30-180 steel balls can be produced per minute, the material utilization rate is up to 98%, and the oblique rolling steel balls also have the advantages of high dimensional precision, low production cost and the like. Ball-milled steel balls generally need to be quenched to improve hardness and wear resistance.
The existing quenching device for ball-milled steel balls has the problems of complex equipment, large occupied area and uneven quenching effect, and the problem is not effectively solved all the time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an on-line continuous rotating cage type ball-milling steel ball quenching device which is low in manufacturing cost, simple and convenient to install, regular in steel ball movement, large in quenching area, sufficient in heat exchange between the steel ball and water, accurate in quenching time control, and capable of guaranteeing the quenching effect efficiently and at low cost.
The invention adopts the following technical scheme:
an on-line continuous rotating cage type ball-milling steel ball quenching device comprises a ball inlet cylinder, a rotating cage, a main shaft, a ball outlet cylinder, a water tank, a rack, a power unit and an outer cover;
the rotating cage is arranged on the frame through the main shaft and can rotate around the main shaft; the rotating cage is positioned above the water tank, and the lower part of the rotating cage is immersed in water; the inner wall of the rotating cage is provided with a spiral track for rolling the ball-milling steel ball, and the spiral track is a single line or a plurality of lines (the single line means only one spiral track, and the plurality of lines means a plurality of spiral tracks);
the ball inlet cylinder and the ball outlet cylinder are respectively arranged on two end faces of the rotating cage;
the outer cover is arranged on the upper part of the rotating cage;
the power unit provides rotary power for the rotating cage through the main shaft;
the rotating cage, the water tank, the power unit and the outer cover are all arranged on the rack;
ball-milling steel balls enter the rotating cage through the ball inlet cylinder, roll to the ball outlet end along the spiral track along with the rotation of the rotating cage and are quenched in water, the ball-milling steel balls enter the ball outlet cylinder at the tail end of the spiral track, and finally are discharged out of the device to finish quenching.
Furthermore, the device adopts multi-pass ball entering and ball discharging, and the corresponding spiral track is a plurality of lines (a plurality of spiral tracks); and two ends of the rotating cage are respectively connected with the ball inlet cylinder and the ball outlet cylinder.
Further, the rotating cage is a circular rotating cage or a polygonal rotating cage.
Furthermore, the rotating cage is a polygonal rotating cage which comprises a plurality of angle steels, steel pipes and spokes;
the number of the angle steels is equal to the number of the sides of the polygon, and the arrangement directions of the angle steels are all parallel to the main shaft; the angle steel is welded on the spoke and is fixed on the main shaft through the spoke;
a plurality of rows of parallel steel pipes which are arranged in an inclined mode are arranged between every two adjacent angle steels, and a spiral track for the ball milling steel balls to roll through is formed between every two adjacent steel pipes; the steel pipe is connected with the angle steel through a V-shaped connecting piece, and the included angle between the V-shaped connecting piece and the angle steel is a spiral track lead angle.
Furthermore, spokes of the spoke are distributed in a spiral shape; the spoke number is 3 pairs, and the parallel arrangement is respectively in the mid-plane of entering ball end, play ball end and both ends face, and 3 pairs of spoke's geometric centre shafts are coaxial.
Furthermore, through holes are arranged on the angle steel in parallel, and the interval of the central lines of the through holes is the same as that of the central lines of the steel pipes;
the steel pipe is welded in a groove on the V-shaped connecting piece, the bottom of the V-shaped connecting piece extends out of the cylinder, and the cylinder is inserted into the through hole in the angle steel, so that the V-shaped connecting piece is installed on the angle steel.
Furthermore, a ball outlet end of the rotating cage is provided with a ball outlet lifting plate, the tail end of each spiral track corresponds to one ball outlet lifting plate, and a ball-milling steel ball rolls to the tail end of each spiral track and is lifted by the ball outlet lifting plate to enter the ball outlet barrel.
Furthermore, 2 terminal surfaces around the rotating cage are provided with the terminal surface baffle that prevents that the ball-milling steel ball from deviating from respectively.
Further, the size and the working rotating speed of the rotating cage are determined according to the following formula:
distance l between center lines of adjacent steel pipes: 2(R + R) cos30 °;
included angle α between V-shaped connecting piece and angle steel:
rotating cage working speed s:
total length L of the cage: l ═ N-1) L +2 a;
r is the radius of the ball-milling steel ball;
r is the radius of the steel pipe, the value of R is (0.5-0.8), and excessive thickness causes material waste and overlarge integral size; too thin results in poor strength of the rotating cage;
d is the diameter of the circumscribed circle of the rotating cage;
p is the number of the spiral tracks, namely the number of the spiral tracks;
n is the number of steel pipes arranged between two sides of the polygonal rotating cage, the design needs to be combined with the actual production efficiency, the matching rotating speed is taken into consideration (the rotating speed is preferably selected to be 10-20 r/min), and the phenomenon that the quenching time is too long due to the accumulation of steel balls caused by too small number of steel pipes or too large number of steel balls is prevented;
t is quenching time, and the value of t is measured by experiments according to production requirements;
a is the length of the ball-lift plate.
Further, the device also comprises a control unit for controlling the rotating speed of the rotating cage; the control unit is an electric cabinet or a controller or a computer and is in signal connection with the power unit.
Furthermore, the power unit adopts a speed reduction motor, the speed reduction motor is connected with the main shaft, and the main shaft is installed on the rack through a bearing seat.
Further, the device is suitable for diameter
The ball-milling steel ball is rapidly cooled from 800-900 ℃ to 100-300 ℃.
The invention has the beneficial effects that: the ball-milling steel balls enter the rotating cage through the ball inlet cylinder, sequentially roll and quench along with the rotation of the circular or polygonal rotating cage on the spiral track, are lifted to a certain height by the ball outlet lifting plate when reaching the tail end of the spiral track, fall into the ball outlet cylinder and roll out of the quenching device. The invention adopts the steel pipe to construct the rotating cage, the heat exchange between the steel ball and the water is sufficient, and the invention has the advantages of light weight, simple structure, convenient manufacture and installation, good quenching quality, stable, safe and reliable operation and the like, and has wide application prospect.
Drawings
Fig. 1a is a schematic structural diagram of an on-line continuous rotating cage type ball-milling steel ball quenching device according to an embodiment of the invention.
FIG. 1b is a schematic view of the device of the embodiment with the cover removed.
FIG. 2(a) is a schematic structural view of a cage according to an embodiment;
fig. 2(b) is a schematic cross-sectional view of the rotating cage in the embodiment.
Fig. 3 is a schematic structural view of the V-shaped connector in the embodiment.
Fig. 4 is a schematic structural diagram of the embodiment in which the steel pipe is connected with the angle steel through a V-shaped connecting piece.
FIG. 5 is a schematic view showing the connection relationship of the power unit, the main shaft and the spokes in the embodiment.
In the figure: 1. a ball outlet cylinder; 2. an electric cabinet; 3. a frame; 4. a water tank; 5. a ball inlet cylinder; 6. rotating the cage; 7. a ball discharging and lifting plate; 8. a through hole; a V-shaped connector; 10. angle steel; 11. an end face baffle; 12. a steel pipe; 13. a bearing seat; 14. a main shaft; 15. a spoke; 16. a speed reducing motor.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments.
As shown in FIG. 1a and FIG. 1b, the embodiment of the invention provides an on-line continuous rotating cage type ball-milling steel ball quenching device for quenching diameters
The ball-milling steel ball is rapidly cooled from 800-900 ℃ to 100-300 ℃. The device comprises a rotating cage 6, a ball inlet cylinder 5, a ball outlet cylinder 1, an electric cabinet 2, a rack 3, a water tank 4, a power unit (a speed reducing motor 16 and a main shaft 14) and a housing.
The rotating cage 6 is arranged on the frame 3 through the main shaft 14, and the rotating cage 6 can rotate around the main shaft 14; the rotating cage 6 is positioned above the water tank 4, and the lower part of the rotating cage 6 is immersed in water; the inner wall of the rotating cage 6 is provided with a spiral track for rolling ball-milling steel balls, and the spiral track is a single line or a plurality of lines; the ball inlet cylinder 5 and the ball outlet cylinder 1 are respectively arranged on two end faces of the rotating cage 6; the outer cover is arranged on the upper part of the rotating cage 6; the power unit provides rotary power for the rotating cage 6 through the main shaft 14; the rotating cage 6, the water tank 4, the power unit and the outer cover are all arranged on the rack 3; ball-milling steel balls enter the rotating cage 6 through the ball inlet barrel 5, roll to the ball outlet end along the spiral track along with the rotation of the rotating cage 6 and are quenched in water, the ball-milling steel balls enter the ball outlet barrel 1 at the tail end of the spiral track, and finally are discharged out of the device to finish quenching.
The cage 6 may take a variety of forms, for example it may take the form of a circle or a polygon. Fig. 2a, 2b show a preferred embodiment in which the cage 6 is a polygonal cage comprising a plurality of angle bars 10, steel tubes 12, spokes 15; the number of the angle steels 10 is equal to the number of the sides of a polygon, and the arrangement directions of the angle steels 10 are all parallel to the main shaft 14; the angle steel 10 is welded on the spoke 15 and is fixed on the main shaft 14 through the spoke 15; a plurality of rows of parallel steel pipes 12 which are arranged in an inclined manner are arranged between the adjacent angle steels 10, and a spiral track for the ball milling steel ball to roll through is formed between the adjacent steel pipes 12; the steel pipe 12 is connected with angle steel 10 through a V-shaped connecting piece 9, and the included angle between the V-shaped connecting piece 9 and the angle steel 10 is a spiral track lead angle.
The number of spokes 15 can be selected from 2 or more according to the size of the rotating cage 6, and in the embodiment shown in fig. 5, the number of spokes 15 is 3. The spokes of the spoke 15 are distributed in a spiral shape; the 3 pairs of spokes 15 are respectively arranged in parallel on the middle surfaces of the ball inlet end, the ball outlet end and the two end surfaces, and the geometric central axes of the 3 pairs of spokes 15 are coaxial.
The connection of the spokes 15 to the angle steel 10 can be made by any known technique, and fig. 3-4 show a preferred way, in this embodiment, the V-shaped connecting piece 9 has the same width as the angle steel 10 and the same length as the diameter of the steel pipe 12; two arc-shaped grooves are formed above the V-shaped connecting piece 9 to provide positions for welding the steel pipes 12, as shown in FIG. 3;
as shown in fig. 4, through holes are arranged in parallel on the angle steel 10, and the distance between the central lines of the through holes is the same as that between the central lines of the steel pipes 12; the steel pipe 12 is welded in a groove (arc groove) on the V-shaped connecting piece 9, the bottom of the V-shaped connecting piece 9 extends out of a cylinder, the cylinder is inserted into a through hole on the angle steel 10 and welded, and the welding angle is adjusted simply and accurately, so that the V-shaped connecting piece 9 is installed on the angle steel 10.
As shown in fig. 5, the transmission mechanism includes a reduction motor 16, a main shaft 14, a bearing seat 13, a bearing, and a spoke 15. The angle steel 10 is welded on the top of a spoke 15, the number of the spokes 15 is the same as that of the sides of the polygonal rotating cage 6, and the spokes are distributed in a spiral shape along with the change of the lead angle of the spiral track; the main shaft 14 is fixed to the frame 3 by a bearing block 13.
Preferably, the ball outlet end of the rotating cage 6 is provided with a ball outlet lifting plate, the tail end of each spiral track corresponds to one ball outlet lifting plate, and the ball milling steel balls are lifted by the ball outlet lifting plates into the ball outlet barrel 1 after rolling to the tail ends of the spiral tracks. 2 terminal surfaces around the rotating cage 6 are provided with the terminal surface baffle that prevents that ball-milling steel ball from dropping the water tank respectively.
In order to pursue better technical effects, the invention provides a preferable method for determining the size and the working rotating speed of the rotating cage 6, which comprises the following steps:
distance l between center lines of adjacent steel pipes 12: 2(R + R) cos30 °;
an included angle α between the V-shaped connecting piece 9 and the angle steel 10 is as follows:
the working speed s of the rotating cage 6 is as follows:
total length L of the cage 6: l ═ N-1) L +2 a;
r is the radius of the ball-milling steel ball;
r is the radius of the steel pipe 12, and the value of R is (0.5-0.8), so that excessive thickness causes material waste and overlarge overall size; too thin results in poor strength of the rotating cage;
d is the diameter of the circumscribed circle of the rotating cage 6;
p is the number of lines of the spiral track (i.e. the number of spiral tracks);
n is the number of steel pipes arranged between two sides of the polygonal rotating cage, the design needs to be combined with the actual production efficiency, the matching rotating speed is taken into consideration (the rotating speed is preferably selected to be 10-20 r/min), and the phenomenon that the quenching time is too long due to the accumulation of steel balls caused by too small number of steel pipes or too large number of steel balls is prevented;
t is quenching time, and the value of t is measured by experiments according to production requirements;
a is the length of the ball-lift plate.
Taking a steel ball with the diameter of 50mm as an example, the requirement of the designed quenching time is 40s, the number of thread heads is 4, the number of thread tracks is 48, the diameter of the steel pipe 12 is 30mm, and the diameter of the circumcircle of the rotating cage 6 is 1600 mm; the working speed of the rotating cage 6 is 18r/min, the inclination angle of the V-shaped connecting piece 9 is 86.45 degrees, and the total length of the rotating cage 6 is 3650 mm.
It should be noted that the above method for determining the size and the operating speed of the rotating cage 6 is only a preferred embodiment, and should not be taken as a limitation to the scope of the present invention.
The working principle of the embodiment of the invention is as follows:
the reduction motor 16 rotates the main shaft 14 and thus the spokes 15, which spokes 15 transmit the movement to the polygonal rotating cage 6. The polygonal rotating cage 6 rotates at the rotating speed of 18r/min, the steel balls enter the rotating cage 6 through the ball inlet cylinder 5 and rotate along with the rotating cage 6 in a channel manner, and the steel balls are continuously lifted by the inner angles of the polygon and then roll off, so that the steel balls and water perform sufficient heat exchange to achieve the effect of uniform quenching; after the designed quenching time, the steel ball reaches the tail end of the spiral track, is lifted to the position of the ball outlet cylinder 5 by the steel ball lifting plate, falls into the ball outlet cylinder 5, rolls out of the quenching device, and finishes the quenching process.
While several embodiments of the present invention have been presented herein, it will be appreciated by those skilled in the art that changes may be made to the embodiments herein without departing from the spirit of the invention. The above examples are merely illustrative and should not be taken as limiting the scope of the invention.
Claims (10)
1. An on-line continuous rotating cage type ball-milling steel ball quenching device is characterized by comprising a ball inlet cylinder, a rotating cage, a main shaft, a ball outlet cylinder, a water tank, a rack, a power unit and an outer cover;
the rotating cage is arranged on the frame through the main shaft and can rotate around the main shaft; the rotating cage is positioned above the water tank, and the lower part of the rotating cage is immersed in water; the inner wall of the rotating cage is provided with a spiral track for rolling the ball-milling steel ball, and the spiral track is a single line or a plurality of lines;
the ball inlet cylinder and the ball outlet cylinder are respectively arranged on two end faces of the rotating cage;
the outer cover is arranged on the upper part of the rotating cage;
the power unit provides rotary power for the rotating cage through the main shaft;
the rotating cage, the water tank, the power unit and the outer cover are all arranged on the rack;
ball-milling steel balls enter the rotating cage through the ball inlet cylinder, roll to the ball outlet end along the spiral track along with the rotation of the rotating cage and are quenched in water, the ball-milling steel balls enter the ball outlet cylinder at the tail end of the spiral track, and finally are discharged out of the device to finish quenching.
2. The on-line continuous rotating-cage ball-milling steel ball quenching device as claimed in claim 1, wherein the device is multi-pass ball-in and ball-out, and the corresponding spiral track is multi-pass; and two ends of the rotating cage are respectively connected with the ball inlet cylinder and the ball outlet cylinder.
3. The on-line continuous rotating-cage ball-milling steel ball quenching apparatus as claimed in claim 1, wherein the rotating cage is a circular rotating cage or a polygonal rotating cage.
4. The on-line continuous rotating cage ball milling steel ball quenching device according to claim 3, wherein the rotating cage is a polygonal rotating cage, and the polygonal rotating cage comprises a plurality of angle steels, steel pipes and spokes;
the number of the angle steels is equal to the number of the sides of the polygon, and the arrangement directions of the angle steels are all parallel to the main shaft; the angle steel is welded on the spoke and is fixed on the main shaft through the spoke;
a plurality of rows of parallel steel pipes which are arranged in an inclined mode are arranged between every two adjacent angle steels, and a spiral track for the ball milling steel balls to roll through is formed between every two adjacent steel pipes; the steel pipe is connected with the angle steel through a V-shaped connecting piece, and the included angle between the V-shaped connecting piece and the angle steel is a spiral track lead angle.
5. The on-line continuous rotary-cage ball-milling steel ball quenching device as claimed in claim 4, wherein spokes of the spoke are spirally distributed; the spoke number is 3 pairs, and the parallel arrangement is respectively in the mid-plane of entering ball end, play ball end and both ends face, and 3 pairs of spoke's geometric centre shafts are coaxial.
6. The on-line continuous rotary cage type ball-milling steel ball quenching device according to claim 4 or 5, wherein through holes are arranged in parallel on the angle steel, and the center line interval of the through holes is the same as that of the steel pipe;
the steel pipe is welded in a groove on the V-shaped connecting piece, the bottom of the V-shaped connecting piece extends out of the cylinder, and the cylinder is inserted into the through hole in the angle steel, so that the V-shaped connecting piece is installed on the angle steel.
7. An in-line continuous rotary ball mill steel ball quenching apparatus as claimed in any one of claims 1 to 5, wherein the ball outlet end of said rotary cage is provided with a ball outlet lifting plate, the end of each spiral track corresponds to one of said ball outlet lifting plates, and the ball mill steel balls are lifted into said ball outlet barrel by said ball outlet lifting plates after rolling to the end of the spiral track.
8. An on-line continuous rotating cage type ball-milling steel ball quenching device as claimed in any one of claims 1 to 5, wherein the front and rear 2 end faces of the rotating cage are respectively provided with an end face baffle for preventing ball-milling steel balls from falling into the water tank.
9. The on-line continuous rotating-cage ball-milling steel ball-quenching apparatus as claimed in claim 7, wherein the size and the operating rotation speed of the rotating cage are determined according to the following formulas:
distance l between center lines of adjacent steel pipes: 2(R + R) cos30 °;
included angle α between V-shaped connecting piece and angle steel:
rotating cage working speed s:
total length L of the cage: l ═ N-1) L +2 a;
wherein R is the radius of the ball-milling steel ball; r is the radius of the steel pipe, and the value of R is (0.5-0.8); d is the diameter of the circumscribed circle of the rotating cage; p is the number of spiral track lines; n is the number of steel pipes arranged between two adjacent sides of the polygonal rotating cage; t is quenching time, and the value of t is measured by experiments according to production requirements; a is the length of the ball-lift plate.
10. The on-line continuous rotating-cage ball-milling steel ball-quenching apparatus as claimed in claim 1, further comprising a control unit for controlling the rotating speed of the rotating cage; the control unit is an electric cabinet or a controller or a computer and is in signal connection with the power unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310545.1A CN110964901B (en) | 2019-12-18 | 2019-12-18 | Online continuous rotating cage type ball-milling steel ball quenching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310545.1A CN110964901B (en) | 2019-12-18 | 2019-12-18 | Online continuous rotating cage type ball-milling steel ball quenching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110964901A true CN110964901A (en) | 2020-04-07 |
| CN110964901B CN110964901B (en) | 2021-03-30 |
Family
ID=70034941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911310545.1A Active CN110964901B (en) | 2019-12-18 | 2019-12-18 | Online continuous rotating cage type ball-milling steel ball quenching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110964901B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1425230A1 (en) * | 1986-01-27 | 1988-09-23 | Украинский научно-исследовательский институт металлов | Apparatus for hardening balls |
| CN206828573U (en) * | 2017-06-30 | 2018-01-02 | 淮安利泰碳化硅微粉有限公司 | Squirrel-cage steel ball quenching device is used in a kind of carborundum production |
| CN108330270A (en) * | 2018-03-20 | 2018-07-27 | 北京科技大学 | A kind of polygon drum-type oblique milling ball milling steel ball quenching device |
| CN209584323U (en) * | 2019-02-25 | 2019-11-05 | 天津盛鑫友自行车有限公司 | Quenching unit is used in a kind of surface treatment of wheel rim flange ring |
-
2019
- 2019-12-18 CN CN201911310545.1A patent/CN110964901B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1425230A1 (en) * | 1986-01-27 | 1988-09-23 | Украинский научно-исследовательский институт металлов | Apparatus for hardening balls |
| CN206828573U (en) * | 2017-06-30 | 2018-01-02 | 淮安利泰碳化硅微粉有限公司 | Squirrel-cage steel ball quenching device is used in a kind of carborundum production |
| CN108330270A (en) * | 2018-03-20 | 2018-07-27 | 北京科技大学 | A kind of polygon drum-type oblique milling ball milling steel ball quenching device |
| CN209584323U (en) * | 2019-02-25 | 2019-11-05 | 天津盛鑫友自行车有限公司 | Quenching unit is used in a kind of surface treatment of wheel rim flange ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110964901B (en) | 2021-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108330270B (en) | Polygonal drum-type oblique rolling ball milling steel ball quenching device | |
| CN102382954B (en) | On-line continuous quenching device for skew-rolled ball-milled steel balls | |
| CN105234179B (en) | Technique for sizing thick-walled seamless steel tubes through two-roller skew rolling mill and technique for rolling thick-walled seamless steel tubes through two-roller skew rolling mill | |
| CN101417382A (en) | Milling-rod production method | |
| CN110951964B (en) | Skew rolling ball-milling steel ball heat treatment system capable of realizing waste heat utilization | |
| CN110964901B (en) | Online continuous rotating cage type ball-milling steel ball quenching device | |
| CN211897036U (en) | Online continuous rotating cage type ball-milling steel ball quenching device | |
| CN85104240A (en) | Rolled steel balls for ball grinders using residual heat thermal treatment process and equipment | |
| CN211897051U (en) | Skew rolling ball-milling steel ball heat treatment system capable of realizing waste heat utilization | |
| CN208071769U (en) | A kind of polygon drum-type oblique milling ball milling steel ball quenching device | |
| CN101249508A (en) | Method for producing seamless steel pipe with reversible reciprocating periodic time hot rolling technique | |
| CN103191922A (en) | Four-roll sizing and reducing mill | |
| CN110983019B (en) | Steel ball control cooling device with waste heat recycling function | |
| CN102010942A (en) | Device for correcting surface induction hardening distortion of slender axial workpieces and operating method | |
| CN212800460U (en) | Steel ball control cooling device with waste heat recycling function | |
| CN111069019B (en) | Rotating cage type screening device for producing hemispheres by using skew rolling balls | |
| CN205295412U (en) | Oblique milling ball -milling steel ball guenching unit | |
| CN1569359A (en) | Screw hole type skew rolling forming method at room temperature for anode phosphor-copper | |
| CN216989220U (en) | Online efficient cooling device for hot-rolled seamless steel pipe | |
| CN102586565A (en) | Rapid cooling method and device after medium and thick plate heat treatment furnace | |
| CN102022944A (en) | Special heat exchange tube and online tube machining process thereof | |
| CN101249506A (en) | Posted sides seamless steel pipe roller milling method | |
| CN202162220U (en) | Steel pipe cooling device | |
| CN205152278U (en) | Step -by -step quenching mechanism | |
| CN211227261U (en) | Tempering system for high-carbon type ultralow-abrasion hot-rolled ball-milled steel balls |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |