CN106086337B - A kind of steel ball quenching production line - Google Patents
A kind of steel ball quenching production line Download PDFInfo
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- CN106086337B CN106086337B CN201610719447.3A CN201610719447A CN106086337B CN 106086337 B CN106086337 B CN 106086337B CN 201610719447 A CN201610719447 A CN 201610719447A CN 106086337 B CN106086337 B CN 106086337B
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- 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
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- 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
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Abstract
The present invention provides a kind of steel ball quenching production lines, including quenching mechanism；Steel ball conveyor；Tempering furnace；Steel ball exports machine；Quenching mechanism includes the quenching bath for being contained with cooling medium；The quenching roller of transporting steel balls in quenching bath, quenching roller is immersed in cooling medium, quenching roller includes the first outer barrel and the first conveyor screw piece for being arranged in the first outer barrel, there is first outer barrel the liquid-passing hole to come in and go out for cooling medium, the first conveyor screw piece can surround the first outer barrel axis and rotate；The first driving means for driving the first conveyor screw piece to rotate；Heating system；Cooling recirculation system；The first temperature sensor for detecting coolant temperature and the first temperature signal of transmission；First controller.The present invention controls the coolant temperature in quenching bath by heating system and cooling recirculation system and maintains default hardening heat, the temperature difference of the cooling medium of quenching can be reduced, therefore quenched ball hardness uniformity is improved, and then improve the quality stability of steel ball.
Description
Technical field
The present invention relates to steel ball technical field of heat treatment, more specifically to a kind of steel ball quenching production line.
Background technology
Currently, forged steel ball or rolling steel ball are all made of immediate quenching, hardening media is mostly water, but when steel ball enters water,
It is influenced by steel ball heat exchanging, the temperature difference of water is larger, relatively easily causes quenched ball hardness unevenness, and quality stability is poor.
In addition, steel ball is completely exposed to the external world before entering water, causes steel ball heat dissipation uneven, can also influence the quenching of steel ball
Quality.
It is current to improve the quality stability of steel ball in conclusion how to improve quenched ball hardness uniformity
Those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
In view of this, the purpose of the present invention is to provide a kind of steel ball quenching production line, it is hard to improve quenched steel ball
Uniformity is spent, and then improves the quality stability of steel ball.
In order to achieve the above object, the present invention provides the following technical solutions：
A kind of steel ball quenching production line, including：
For the quenching mechanism to steel ball quenching；
For by the Steel ball conveyor of Steel ball conveyor to be quenched to quenching mechanism, the Steel ball conveyor setting to be quenched described
The input terminal of lighter structure；
Tempering furnace for being tempered to quenched steel ball；
Steel ball for quenched steel ball to be output to the tempering furnace exports machine；
Wherein, the quenching mechanism includes：
It is contained with the quenching bath of cooling medium；
For the quenching roller of the transporting steel balls in the quenching bath, the quenching roller is immersed in the cooling medium,
The first conveyor screw piece that the quenching roller includes the first outer barrel and is arranged in first outer barrel, the first outer barrel tool
There are the liquid-passing hole to come in and go out for the cooling medium, the first conveyor screw piece that can surround the first outer barrel axis and rotate；
Drive the first driving means of the first conveyor screw piece rotation；
For the heating system to the cooling medium heating；
For the cooling recirculation system to the cooling medium cooling；
The first temperature sensor for detecting the coolant temperature and the first temperature signal of transmission；
The first controller for receiving first temperature signal, when the coolant temperature is less than default quenching temperature
First controller described in when spending controls the heating system work, when the coolant temperature is higher than the default hardening heat
The first controllers of Shi Suoshu control the cooling recirculation system work.
Preferably, in above-mentioned steel ball quenching production line, first outer barrel is fixedly connected with the first conveyor screw piece,
The first driving means are the first variable-frequency motor of the driving quenching roller rotation；
The quenching mechanism further includes the second controller for controlling the quenching drum rotation speed, the second controller
It is connect with first variable-frequency motor.
Preferably, in above-mentioned steel ball quenching production line, the axis of the quenching roller in the horizontal direction, and the quenching bath
Liquid level and it is described quenching roller axis be located in the same horizontal plane.
Preferably, in above-mentioned steel ball quenching production line, the liquid-passing hole is evenly distributed on the periphery of first outer barrel
On；The cooling medium is cooling water.
Preferably, in above-mentioned steel ball quenching production line, the Steel ball conveyor is isothermal mechanism, isothermal mechanism packet
It includes：
First support；
It is arranged in the first support and for conveying the isothermal roller of steel ball to be quenched, the isothermal roller includes the
Two outer barrels and the second conveyor screw piece being arranged in second outer barrel, the second conveyor screw piece can surround described the
Two outer barrel axis rotate；
Drive the second driving device of the second conveyor screw piece rotation；
The first chute of Steel ball conveyor for that will forge or roll to the input terminal of the isothermal roller；
For the second chute by the Steel ball conveyor of the isothermal roller output end to the input terminal of the quenching roller.
Preferably, in above-mentioned steel ball quenching production line, second outer barrel is fixedly connected with the second conveyor screw piece,
Second driving device is the second variable-frequency motor of the driving isothermal roller rotation.
Preferably, in above-mentioned steel ball quenching production line, the isothermal mechanism further includes：
For detecting the steel ball temperature and the second temperature sensor for sending second temperature signal that the isothermal roller exports,
The output end in the isothermal roller is arranged in the second temperature sensor；
Third controller for receiving the second temperature signal, when the steel ball temperature is less than default output temperature
The third controller controls second variable-frequency motor and slows down, when the steel ball temperature is higher than default output temperature described in the
Three controllers control second variable-frequency motor and accelerate, the third controller and the second temperature sensor, described second
Variable-frequency motor is all connected with.
Preferably, in above-mentioned steel ball quenching production line, multiple heat dissipations are evenly arranged on the periphery of second outer barrel
Hole；And the input terminal of the isothermal roller is less than output end.
Preferably, in above-mentioned steel ball quenching production line, the steel ball output machine includes：
For the screw elevator of transporting steel balls, the input terminal of the screw elevator is located in the quenching bath；
Third chute for the input terminal by the Steel ball conveyor of the quenching roller output end to the screw elevator；
For by the 4th chute of the Steel ball conveyor of the screw elevator output end to the tempering furnace；
Wherein, the screw elevator includes：
Second support；
Guide plate in the second support is set, and the guide plate is provided with diversion trench, the 4th chute and institute
State the output end connection of diversion trench；
The screw rod being rotatably arranged in the diversion trench；
Drive the third driving device of the screw rod rotation.
Preferably, in above-mentioned steel ball quenching production line, the third driving device is third variable-frequency motor；
And the steel ball output machine further includes the 4th controller for controlling the screw rod rotating speed, the 4th control
Device is connect with the third variable-frequency motor.
It can be seen from the above technical scheme that steel ball quenching production line provided by the invention includes for steel ball quenching
Quenching mechanism；For by the Steel ball conveyor of Steel ball conveyor to be quenched to quenching mechanism, Steel ball conveyor to be arranged in quenching press
The input terminal of structure；Tempering furnace for being tempered to quenched steel ball；For quenched steel ball to be output to tempering furnace
Steel ball export machine；Wherein, quenching mechanism includes：It is contained with the quenching bath of cooling medium；For the transporting steel balls in quenching bath
Quenching roller, quenching roller is immersed in cooling medium, quenching roller include the first outer barrel and be arranged in the first outer barrel the
There is the liquid-passing hole to come in and go out for cooling medium, the first conveyor screw piece can surround outside first for one conveyor screw piece, the first outer barrel
Cylinder axis rotation；The first driving means for driving the first conveyor screw piece to rotate；For the heating system to cooling medium heating；
For the cooling recirculation system to cooling medium cooling；For detecting coolant temperature and sending the first of the first temperature signal
Temperature sensor；The first controller for receiving the first temperature signal, when coolant temperature is less than default hardening heat
First controller controls heating system work, the first controller control cooling when coolant temperature is higher than default hardening heat
The circulatory system works.
In application, steel ball to be quenched is transported to quenching mechanism by Steel ball conveyor first, using quenching mechanism to steel ball
It is quenched, then quenched steel ball is output to tempering furnace by steel ball output machine, is tempered to steel ball using tempering furnace, from
And complete the quenching technical process of entire steel ball.
In above-mentioned quenching mechanism quenching process, steel ball is entered the input terminal of quenching roller by Steel ball conveyor first, then
Under the driving of first driving means, with the rotation of the first conveyor screw piece, the input terminal of steel ball from quenching roller is conveyed
To the output end of quenching roller, and by steel ball output machine output；During being somebody's turn to do, the cooling medium quenched in roller passes through liquid-passing hole
It is fully exchanged with the cooling medium in quenching bath, while the cooling medium in quenching bath is detected by the first temperature sensor
Temperature, the first controller control heating system work when coolant temperature is less than default hardening heat, certainly to cooling medium
Dynamic heating, the first controller control cooling recirculation system work when coolant temperature is higher than default hardening heat, to cooling
Medium cools down automatically.
It is tieed up in conclusion the present invention controls the coolant temperature in quenching bath by heating system and cooling recirculation system
The temperature difference of the cooling medium of quenching can be reduced in default hardening heat by holding, to improve the uniformity of steel ball cooling velocity,
So improving quenched ball hardness uniformity, and then improve the quality stability of steel ball.
Meanwhile steel ball quenching production line of the invention realizes pipeline automation operation, has saved production cost, reduces
Labor intensity.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the dimensional structure diagram of steel ball quenching production line provided in an embodiment of the present invention；
Fig. 2 is the front view of steel ball quenching production line provided in an embodiment of the present invention；
Fig. 3 is the vertical view of steel ball quenching production line provided in an embodiment of the present invention；
Fig. 4 is the left view of steel ball quenching production line provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of isothermal roller provided in an embodiment of the present invention；
Fig. 6 is the sectional view of isothermal roller provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of screw rod provided in an embodiment of the present invention.
Specific implementation mode
An embodiment of the present invention provides a kind of steel ball quenching production lines, improve quenched ball hardness uniformity, into
And improve the quality stability of steel ball.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Attached drawing 1-7 is please referred to, steel ball quenching production line provided in an embodiment of the present invention includes for quenching steel ball quenching
Lighter structure；For by the Steel ball conveyor of Steel ball conveyor to be quenched to quenching mechanism, Steel ball conveyor to be arranged in quenching mechanism
Input terminal；Tempering furnace 8 for being tempered to quenched steel ball；For quenched steel ball to be output to tempering furnace 8
Steel ball exports machine；Wherein, quenching mechanism includes：It is contained with the quenching bath 10 of cooling medium；For conveying steel in quenching bath 10
The quenching roller 9 of ball, quenching roller 9 are immersed in cooling medium, and quenching roller 9 includes the first outer barrel and is arranged in the first outer barrel
The first conveyor screw piece, the first outer barrel has a liquid-passing hole to come in and go out for cooling medium, and the first conveyor screw piece can surround the
One outer barrel axis rotates；The first driving means 7 for driving the first conveyor screw piece to rotate；For the heating to cooling medium heating
System 16；For the cooling recirculation system 17 to cooling medium cooling；For detecting coolant temperature and sending the first temperature
First temperature sensor of signal；The first controller for receiving the first temperature signal, when coolant temperature is less than default
The first controller control heating system 16 works when hardening heat, the first control when coolant temperature is higher than default hardening heat
Device control cooling recirculation system 17 processed works.
In application, steel ball to be quenched is transported to quenching mechanism by Steel ball conveyor first, using quenching mechanism to steel ball
It is quenched, then quenched steel ball is output to tempering furnace 8 by steel ball output machine, is tempered to steel ball using tempering furnace 8,
To complete the quenching technical process of entire steel ball.
In above-mentioned quenching mechanism quenching process, steel ball is entered the input terminal of quenching roller 9 by Steel ball conveyor first, then
It is with the rotation of the first conveyor screw piece, the input terminal of steel ball from quenching roller 9 is defeated under the driving of first driving means 7
It is sent to the output end of quenching roller 9, and by steel ball output machine output；During being somebody's turn to do, the cooling medium in quenching roller 9 passes through logical
Fluid apertures is fully exchanged with the cooling medium in quenching bath 10, while being detected in quenching bath 10 by the first temperature sensor
Coolant temperature, when coolant temperature is less than default hardening heat, the first controller control heating system 16 works, right
Cooling medium heats automatically, and when coolant temperature is higher than default hardening heat, the first controller controls cooling recirculation system 17
Work cools down automatically to cooling medium.
In conclusion the present invention controls the cooling medium in quenching bath 10 by heating system 16 and cooling recirculation system 17
Temperature maintains default hardening heat, can reduce the temperature difference of the cooling medium of quenching, to improve steel ball cooling velocity
Uniformity so improving quenched ball hardness uniformity, and then improves the quality stability of steel ball.
Meanwhile steel ball quenching production line of the invention realizes pipeline automation operation, has saved production cost, reduces
Labor intensity.
Preferably, the first outer barrel is fixedly connected with the first conveyor screw piece, specifically, the first conveyor screw piece is welded on
On the inner wall of one outer barrel.By the present invention in that the first outer barrel and the first conveyor screw piece rotate together the conveying realized to steel ball,
Without opposite sliding between first outer barrel and the first conveyor screw piece, avoid wearing between the two.Certainly, outside above-mentioned first
Cylinder can also be to be slidably connected with the first conveyor screw piece, make first driving means 7 that the first conveyor screw piece be operated alone opposite
First outer barrel rotates.
Further, first driving means 7 are the first variable-frequency motor that driving quenching roller 9 rotates；Quenching mechanism also wraps
The second controller for controlling quenching 9 rotating speed of roller is included, second controller is connect with the first variable-frequency motor.The present invention passes through
One variable-frequency motor driving quenching roller 9 rotates, and is required according to quenching technical, passes through the first variable-frequency electric of second controller adjust automatically
The rotating speed of machine to automatically control the speed that steel ball exports in quenching roller 9, and then adjusts the steel ball quenching time, further
Improve the stability and reliability of steel ball quality.Certainly, the present invention can also be by artificially adjusting turning for quenching roller 9
Speed.
First driving means 7 use variable-frequency motor, and mechanical automation degree and production efficiency is made to greatly improve, also energy saving,
Alternatively, first driving means 7 can also use steam turbine, servo motor or other kinds of motor, as long as can provide
The mechanism of rotary power.
In the steel ball quenching production line that above-described embodiment provides, the axis of roller 9 is quenched in the horizontal direction, and quenching bath 10
Liquid level and quench roller 9 axis be located in the same horizontal plane.The quenching roller 9 of the present invention is horizontally arranged at quenching bath 10
In, the lower half of quenching roller 9 is impregnated in water, while capable of ensureing that steel ball is fully immersed in cooling medium, reduces quenching
Roller 9 rotates the resistance of cooling medium being subject to, certainly, quenching roller 9 can also not a half portion impregnate in water, can also be with water
Square to 0-15 degree angles.
Preferably, liquid-passing hole is evenly distributed on the periphery of the first outer barrel；Quenching 9 barrel of roller is uniformly distributed logical liquid
Hole, the cooling medium in quenching bath 10 can be exchanged fully with the cooling medium in cylinder by liquid-passing hole, and it is basic to reach liquid temperature
Unanimously.
In order to reduce cost, cooling medium is cooling water.Cooling medium can also be aqueous solution, mineral oil, fused salt, molten alkali
Deng.
In a specific embodiment of the invention, Steel ball conveyor is isothermal mechanism, which includes first support 2；If
The isothermal roller 4 in first support 2 and for conveying steel ball to be quenched is set, as seen in figs. 5-6, isothermal roller 4 includes second
Outer barrel and the second conveyor screw piece 42 being arranged in the second outer barrel, the second conveyor screw piece 42 can surround the second outer barrel axis
Rotation；The second driving device 3 for driving the second conveyor screw piece 42 to rotate；Steel ball conveyor for that will forge or roll is to isothermal
First chute 1 of the input terminal of roller 4；For the input terminal by the Steel ball conveyor of 4 output end of isothermal roller to quenching roller 9
Second chute 5.
In application, the steel ball of forging or rolling enters the input terminal of isothermal roller 4 by the first chute 1, then second
Under the driving of driving device 3, with the rotation of the second conveyor screw piece 42, the input terminal of steel ball from isothermal roller 4 is transported to
The output end of isothermal roller 4 is then transported to the input terminal of quenching roller 9 by the second chute 5.It is understood that first
The input terminal of chute 1 and the second chute 5 is above output end, to ensure normal conveying of the steel ball under self gravitation effect.
The present invention conveys steel ball to be quenched by isothermal roller 4, and steel ball is avoided to be completely exposed to the external world, isothermal roller 4
Interior room is relatively isolated with the external world, therefore the environment temperature of isothermal roller 4 is more stable, be ensure that the uniformity of steel ball heat dissipation, is carried
The high quenching quality of steel ball.Certainly, above-mentioned Steel ball conveyor can also be that roller conveyor with outer cover or belt are defeated
Machine is sent, to achieve the effect that the not exclusively exposure of same steel ball is extraneous.
Preferably, the second outer barrel is fixedly connected with the second conveyor screw piece 42, specifically, the second conveyor screw piece 42 welds
On the inner wall of the second outer barrel.By the present invention in that the second outer barrel and the second conveyor screw piece 42 rotate together realization to steel ball
Conveying avoids wearing between the two without opposite sliding between the second outer barrel and the second conveyor screw piece 42.Certainly, on
It can also be to be slidably connected that the second outer barrel, which is stated, with the second conveyor screw piece 42, make the second driving device 3 that the second conveying be operated alone
Flight 42 is rotated relative to the second outer barrel.
Second driving device 3 is to drive the second variable-frequency motor of 4 rotation of isothermal roller；Isothermal mechanism further includes for detecting
The steel ball temperature of the output of isothermal roller 4 and the second temperature sensor 6 for sending second temperature signal, second temperature sensor 6 are set
Set the output end in isothermal roller 4；Third controller for receiving second temperature signal, when steel ball temperature is less than default output
Third controller controls the second variable-frequency motor and slows down when temperature, the third controller control when steel ball temperature is higher than default output temperature
The acceleration of the second variable-frequency motor is made, third controller is all connected with second temperature sensor 6, the second variable-frequency motor.
Specifically, above-mentioned second temperature sensor 6 is infrared temperature probe, the steel for detecting the output of isothermal roller 4
Ball temperature.
The present invention drives isothermal roller 4 to rotate by the second variable-frequency motor, while passing through detection of second temperature sensor 6 etc.
The steel ball temperature that warm roller 4 exports requires the default output temperature of selection steel ball according to quenching technical, when steel ball temperature is less than pre-
If automatically controlling the second variable-frequency motor by third controller when output temperature to slow down, when steel ball temperature is higher than default output temperature
When the second variable-frequency motor automatically controlled by third controller accelerate, to passing through third controller the second variable-frequency electric of adjust automatically
The rotating speed of machine, and then the speed that steel ball exports in isothermal roller 4 is automatically controlled, temperature when steel ball quenching is adjusted, further
Improve the stability and reliability of steel ball quality.Certainly, the present invention can also be by artificially adjusting turning for isothermal roller 4
Speed.
In summary, the temperature when present invention adjusts steel ball quenching by controlling the output speed of isothermal roller 4, by adding
The temperature of hot systems 16 and the cooling medium of the control of cooling recirculation system 17 quenches roller to adjust steel ball cooling velocity by control
9 output speeds adjust the steel ball quenching time, improve the stability and reliability of steel ball quality, in addition, the steel ball of the present invention is quenched
Fiery production line operation is simple.
Second driving device 3 uses variable-frequency motor, and mechanical automation degree and production efficiency is made to greatly improve, also energy saving,
Alternatively, the second driving device 3 can also use steam turbine, servo motor or other kinds of motor, as long as can provide
The mechanism of rotary power.
In the steel ball quenching production line that above-described embodiment provides, multiple heat dissipations are evenly arranged on the periphery of the second outer barrel
Hole 41；The barrel of the isothermal roller 4 of the present invention is uniformly distributed heat emission hole 41, is convenient for the heat dissipation of the higher steel ball of temperature, passes through control
The rotating speed of isothermal roller 4 processed coordinates heat emission hole 41, can ensure the uniformity of steel ball radiating rate.Certainly, the present invention can also
It is not provided with above-mentioned heat emission hole 41, the heat dissipation of steel ball is only realized by the rotation of isothermal roller 4.
The input terminal of above-mentioned isothermal roller 4 is less than output end, and isothermal roller 4 of the invention can export the first chute 1
The steel ball at end is promoted to the input terminal of the second chute 5, simple in structure, avoids the first chute 1 being arranged excessively high.Certainly, of the invention
It can also make the input terminal of isothermal roller 4 by the angle of inclination of reduction the first chute 1 and 5 relatively horizontal orientation of the second chute
It is concordant with output end.
In a specific embodiment of the invention, steel ball output machine includes：For the screw elevator 12 of transporting steel balls, spiral carries
The input terminal for rising machine 12 is located in quenching bath 10；For the Steel ball conveyor of 9 output end of roller will to be quenched to screw elevator 12
The third chute 11 of input terminal；For by the 4th chute 13 of the Steel ball conveyor of 12 output end of screw elevator to tempering furnace 8；Its
In, screw elevator 12 includes second support 15；The guide plate 19 being arranged in second support 15, guide plate 19 are provided with water conservancy diversion
Slot, the 4th chute 13 are connected to the output end of diversion trench；The screw rod 18 being rotatably arranged in diversion trench；Drive screw rod
The third driving device 14 of 18 rotations.Specifically, the promotion angle of screw elevator 12 is 25 ° -45 °, i.e. diversion trench and spiral
Bar 18 and the angle of horizontal plane are 25 ° -45 °.Be provided on the bottom surface of diversion trench output end be connected to the 4th chute 13 it is defeated
Portal, steel ball is fallen by the delivery outlet on the 4th chute 13.
In application, when steel ball is exported from quenching roller 9, screw elevator 12 is entered by third chute 11, is driven in third
Under the driving of dynamic device 14, steel ball is lifted in diversion trench by screw rod 18, when steel ball is promoted to the height of the 4th chute 13,
It is directly fallen into the charging basket in tempering furnace 8 by the 4th chute 13, that is, completes entire forging rolling steel ball quenching technical process.It can manage
Solution, it can also be roller conveyor or belt conveyor etc. that above-mentioned steel ball, which exports machine can also be,.
Preferably, third driving device 14 is third variable-frequency motor；And steel ball output machine further includes for controlling screw rod
4th controller of 18 rotating speeds, the 4th controller are connect with third variable-frequency motor.The present invention drives spiral shell by third variable-frequency motor
Swing arm 18 rotates, and is required according to quenching technical, by the rotating speed of the 4th controller adjust automatically third variable-frequency motor, to automatic
Control the speed that steel ball is promoted and exported.Certainly, the present invention can also be by artificially adjusting the rotating speed of screw rod 18.
Third driving device 14 uses variable-frequency motor, and mechanical automation degree and production efficiency is made to greatly improve, also energy saving,
Alternatively, third driving device 14 can also use steam turbine, servo motor or other kinds of motor, as long as can provide
The mechanism of rotary power.
It should be noted that above-mentioned first controller, second controller, third controller and the 4th controller can integrate
For same controller, or respective individual controller.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (9)
1. a kind of steel ball quenching production line, which is characterized in that including：
For the quenching mechanism to steel ball quenching；
For by the Steel ball conveyor of Steel ball conveyor to be quenched to quenching mechanism, the Steel ball conveyor to be arranged in the quenching press
The input terminal of structure；
Tempering furnace (8) for being tempered to quenched steel ball；
Steel ball for quenched steel ball to be output to the tempering furnace (8) exports machine；
Wherein, the quenching mechanism includes：
It is contained with the quenching bath (10) of cooling medium；
For the quenching roller (9) in the quenching bath (10) interior transporting steel balls, the quenching roller (9) is immersed in cooling Jie
In matter, the quenching roller (9) includes the first outer barrel and the first conveyor screw piece for being arranged in first outer barrel, and described the
There is one outer barrel the liquid-passing hole to come in and go out for the cooling medium, the first conveyor screw piece can surround the first outer barrel axis
Line rotates；
Drive the first driving means (7) of the first conveyor screw piece rotation；
For the heating system (16) to the cooling medium heating；
For the cooling recirculation system (17) to the cooling medium cooling；
The first temperature sensor for detecting the coolant temperature and the first temperature signal of transmission；
The first controller for receiving first temperature signal, when the coolant temperature is less than default hardening heat
First controller controls heating system (16) work, when the coolant temperature is higher than the default hardening heat
The first controllers of Shi Suoshu control cooling recirculation system (17) work；
The Steel ball conveyor is isothermal mechanism, and the isothermal mechanism includes：
First support (2)；
It is arranged in the first support (2) and is used to convey the isothermal roller (4) of steel ball to be quenched, the isothermal roller (4)
Including the second outer barrel and the second conveyor screw piece (42) being arranged in second outer barrel, the second conveyor screw piece (42)
The second outer barrel axis can be surrounded to rotate；
Drive the second driving device (3) of the second conveyor screw piece (42) rotation；
The first chute (1) of Steel ball conveyor for that will forge or roll to the input terminal of the isothermal roller (4)；
For the second chute by the Steel ball conveyor of isothermal roller (4) output end to the input terminal of the quenching roller (9)
(5)。
2. steel ball quenching production line according to claim 1, which is characterized in that first outer barrel is conveyed with described first
Flight is fixedly connected, and the first driving means (7) are the first variable-frequency motor that the driving quenching roller (9) rotates；
The quenching mechanism further includes the second controller for controlling described quenching roller (9) rotating speed, the second controller
It is connect with first variable-frequency motor.
3. steel ball quenching production line according to claim 2, which is characterized in that the axis of the quenching roller (9) is along water
Square to, and the liquid level of the quenching bath (10) and it is described quenching roller (9) axis be located in the same horizontal plane.
4. steel ball quenching production line according to claim 1, which is characterized in that the liquid-passing hole is evenly distributed on described
On the periphery of one outer barrel；The cooling medium is cooling water.
5. steel ball quenching production line according to claim 1, which is characterized in that second outer barrel is conveyed with described second
Flight (42) is fixedly connected, and second driving device (3) is the second variable-frequency electric of driving isothermal roller (4) rotation
Machine.
6. steel ball quenching production line according to claim 5, which is characterized in that the isothermal mechanism further includes：
For detecting the steel ball temperature and the second temperature sensor for sending second temperature signal that the isothermal roller (4) exports
(6), output end of second temperature sensor (6) setting in the isothermal roller (4)；
Third controller for receiving the second temperature signal, when the steel ball temperature is less than default output temperature described in
Third controller controls second variable-frequency motor and slows down, the third control when the steel ball temperature is higher than default output temperature
Device processed controls second variable-frequency motor and accelerates, and the third controller becomes with the second temperature sensor (6), described second
Frequency motor is all connected with.
7. steel ball quenching production line according to claim 6, which is characterized in that on the periphery of second outer barrel uniformly
It is provided with multiple heat emission holes (41)；And the input terminal of the isothermal roller (4) is less than output end.
8. according to claim 1-7 any one of them steel ball quenching production lines, which is characterized in that the steel ball exports machine packet
It includes：
For the screw elevator (12) of transporting steel balls, the input terminal of the screw elevator (12) is located at the quenching bath (10)
It is interior；
Third for the input terminal by the Steel ball conveyor of described quenching roller (9) output end to the screw elevator (12) is slipped
Slot (11)；
For by the 4th chute (13) of the Steel ball conveyor of the screw elevator (12) output end to the tempering furnace (8)；
Wherein, the screw elevator (12) includes：
Second support (15)；
The guide plate (19) being arranged in the second support (15), the guide plate (19) are provided with diversion trench, and the described 4th
Chute (13) is connected to the output end of the diversion trench；
The screw rod (18) being rotatably arranged in the diversion trench；
The third driving device (14) for driving the screw rod (18) to rotate.
9. steel ball quenching production line according to claim 8, which is characterized in that the third driving device (14) is third
Variable-frequency motor；
And the steel ball output machine further includes the 4th controller for controlling the screw rod (18) rotating speed, the 4th control
Device is connect with the third variable-frequency motor.
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| CN106086337B true CN106086337B (en) | 2018-09-07 |
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| CN113832308B (en) * | 2021-10-12 | 2023-06-27 | 云南衡纬科技有限公司 | Continuous isothermal quenching heat treatment method and device for martensite, bainite and austenite grinding balls |
| CN115369231A (en) * | 2022-08-22 | 2022-11-22 | 攀枝花钢城集团瑞矿工业有限公司 | Steel ball continuous quenching system and method |
| CN115612806A (en) * | 2022-09-09 | 2023-01-17 | 昆明理工大学 | Forging grinding ball liquid-air intermittent quenching production line and production process based on Internet of things |
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