CN107953261A - High-speed grinding roll grinder main shaft temperature control system - Google Patents
High-speed grinding roll grinder main shaft temperature control system Download PDFInfo
- Publication number
- CN107953261A CN107953261A CN201711430668.XA CN201711430668A CN107953261A CN 107953261 A CN107953261 A CN 107953261A CN 201711430668 A CN201711430668 A CN 201711430668A CN 107953261 A CN107953261 A CN 107953261A
- Authority
- CN
- China
- Prior art keywords
- control system
- radial direction
- bearing
- oil
- main shaft
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
- B24B55/03—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant designed as a complete equipment for feeding or clarifying coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a kind of high-speed grinding roll grinder main shaft temperature control system,Including main shaft,Radial direction fore bearing,Bearing after radial direction,Main fuel tank,Preceding temperature sensing device,Temperature sensing device and control system afterwards,Bearing is sheathed on the outside of main shaft both ends respectively after radial direction fore bearing and radial direction,Cooling bath and postcooling groove before being respectively equipped with after radial direction fore bearing and radial direction on bearing,The oil outlet of main fuel tank is connected by oil inlet of the pipeline respectively with preceding cooling bath and postcooling groove,The oil outlet of preceding cooling bath and postcooling groove is connected through pipeline with the oil return opening of main fuel tank respectively,The preceding temperature sensing device that can sense oil temperature and rear temperature sensing device are respectively equipped with the oil outlet end of preceding cooling bath and postcooling groove,Preceding temperature sensing device and rear temperature sensing device are electrically connected with control system respectively to communicate,The output quantity of the oil pump of the control system control main fuel tank,The present invention ensures the temperature stabilization of machine-tool spindle system,Ensure the running stability of high-speed spindle system.
Description
Technical field
The present invention relates to a kind of roll grinder, more particularly to a kind of high-speed grinding roll grinder main shaft temperature control system.
Background technology
Roll grinder is one of important equipment in grinding production, metallurgical in steel rolling, papermaking, in the industry such as rubber
Using extensive, with the rapid development of high-speed grinding technology, higher is proposed to the grinding speed and grinding performance of roll grinder
Requirement.
After emery wheel peripheral speed improves, under conditions of unit width metal wear self-repair is certain, the abrasive particle of effect in the unit interval
Number greatly increases；As the amount of feeding is identical with plain grinding, then the thickness of cutting of every abrasive particle is thinning, load mitigates.Therefore at a high speed
Grinding has following characteristics:
(1) production efficiency is high.Due to the abrasive particle number increase acted in the unit interval, material material removal rate is set to be multiplied, than
Plain grinding can improve 30%-100%；
(2) grinding surface roughness value is low.The thickness of cutting of the single abrasive particle of superhigh speed grinding diminishes, and grinding cut is shallow, table
Dough model bump height reduces, and surface roughness value reduces；Simultaneously because the high strain rate of superhigh speed grinding material, abrasive dust
Formed under Adiabatic Shear state, material removal mechanism changes, therefore can realize the high property to brittleness and difficult-to-machine material
Can processing；
(3) emery wheel service life is grown.Since the load of every abrasive particle reduces, the abrasive particle grinding time accordingly extends, and improves
Emery wheel service life.This is very beneficial for realizing grinding automation；
(4) grinding force and workpiece stress deformation are small, and the high of Workpiece Machining Accuracy is since thickness of cutting is small, normal grinding force phase
It should reduce, so as to be conducive to the raising of the poor Workpiece Machining Accuracy of rigidity.
(5) there is huge economic benefit and social benefit, and there is wide green character.High speed and ultrahigh speed grinding adds
Work can effectively shorten process time, raise labour productivity, and reduce the consumption of the energy and the pollution of noise.
However, being improved with emery wheel peripheral speed, the roll grinder speed of mainshaft also greatly improves, and causes roll grinder main shaft temperature
Degree is substantially increased, and be easy to cause main shaft damage, deformation.
The content of the invention
In order to make up above deficiency, the present invention provides a kind of high-speed grinding roll grinder main shaft temperature control system, this is at a high speed
Grinding roller grinding machine spindle temperature control system can accurately control roll grinder main shaft temperature, ensure that roll grinder main shaft is normally transported
OK.
The present invention in order to solve its technical problem used by technical solution be：A kind of high-speed grinding roll grinder main shaft temperature
Bearing after control system, including main shaft, radial direction fore bearing, radial direction, main fuel tank, preceding temperature sensing device, rear temperature sensing device and
Control system, be used for realization main shaft radial positioning radial direction fore bearing and radial direction after bearing be sheathed on respectively on the outside of main shaft both ends,
Be respectively equipped with after radial direction fore bearing and radial direction on bearing for cooling the oil stream preceding cooling bath and postcooling groove that lead to, main fuel tank it is fuel-displaced
Mouthful connected respectively with the oil inlet of preceding cooling bath and the oil inlet of postcooling groove by pipeline, the oil outlet of preceding cooling bath and rear cold
But the oil outlet of groove is connected through pipeline with the oil return opening of main fuel tank respectively, is divided on the oil outlet end of the preceding cooling bath and postcooling groove
It She You not can sense the preceding temperature sensing device of oil temperature and rear temperature sensing device, preceding temperature sensing device and rear temperature sense
Device is electrically connected with control system communicates respectively, the output quantity of the oil pump of the control system control main fuel tank.
As a further improvement on the present invention, cooling device, the oil outlet of preceding cooling bath and going out for postcooling groove are additionally provided with
Hydraulic fluid port is connected through pipeline with the oil inlet of cooling device respectively, and the oil outlet of cooling device is connected with the oil return opening of main fuel tank, control
The refrigeration work consumption of system control cooling device processed.
As a further improvement on the present invention, the cooling device is the refrigeration machine equipped with refrigerant.
As a further improvement on the present invention, the preceding cooling bath and postcooling after the radial direction fore bearing and radial direction on bearing
Groove is respectively the annular cooling channel being coated on after radial direction fore bearing and radial direction on bearing circumference.
As a further improvement on the present invention, before being respectively equipped with least two groups on bearing after the radial direction fore bearing and radial direction
Cooling bath and two postcooling grooves.
As a further improvement on the present invention, preceding current divider and rear current divider are additionally provided with, the oil outlet of main fuel tank passes through pipe
Oil inlet of the road respectively with preceding current divider and rear current divider connects, an oil outlet of preceding current divider and the oil inlet of preceding cooling bath
Connection, an oil outlet of rear current divider are connected with the oil inlet of postcooling groove, on the preceding current divider and rear current divider also
It is respectively provided with the preceding proportional flow control valve that cooling flow is adjusted and rear proportional flow control valve, ratio before control system control
The output quantity of flow valve and rear proportional flow control valve.
As a further improvement on the present invention, the preceding temperature sensing device and rear temperature sensing device are respectively to be installed on
Preceding cooling bath and with the temperature sensor on postcooling groove oil outlet side wall and on flowline side wall.
As a further improvement on the present invention, bearing is respectively dynamic and hydrostatic bearing after the radial direction fore bearing and radial direction.
As a further improvement on the present invention, the control system be roll grinder electric control system, roll grinder
Electric control system control the speed of mainshaft.
The method have the benefit that：The present invention is by the radial direction fore bearing and radial direction for main shaft radial positioning
New annular cooling bath is distinguished on bearing afterwards, hydraulic oil is flowed through cooling bath and cooling device by main fuel tank, and then realize
The cooling of bearing after main shaft, radial direction fore bearing and radial direction, and the change of oil temperature is sensed by set temperature sensing device in real time,
Intelligent control is carried out to annular cooling oil system oil mass according to machine spindle speed and oil temperature change by electrical system, ensures lathe
The temperature stabilization of axis system, it is ensured that the running stability of high-speed spindle system.
Brief description of the drawings
Fig. 1 is the principle schematic diagram of the present invention；
Fig. 2 is A portions enlarged drawing in Fig. 1；
Fig. 3 is B portions enlarged drawing in Fig. 1.
Embodiment
Embodiment：A kind of 1 temperature control system of high-speed grinding roll grinder main shaft, it is characterized in that：Including main shaft 1, radial direction front axle
Bearing 3, main fuel tank 4, preceding temperature sensing device 5, rear temperature sensing device 6 and control system 7 after 2, radial direction are held, is used for realization master
Bearing 3 is sheathed on the outside of 1 both ends of main shaft respectively after the radial direction fore bearing 2 and radial direction of 1 radial positioning of axis, radial direction fore bearing 2 and footpath
The preceding cooling bath 8 and postcooling groove 9 led to for cooling oil stream is respectively equipped with bearing 3 backward, the oil outlet of main fuel tank 4 passes through pipeline
Connected respectively with the oil inlet of preceding cooling bath 8 and the oil inlet of postcooling groove 9, the oil outlet of preceding cooling bath 8 and postcooling groove 9
Oil outlet is connected through pipeline with the oil return opening of main fuel tank 4 respectively, on the oil outlet end of the preceding cooling bath 8 and postcooling groove 9 respectively
Equipped with the preceding temperature sensing device 5 and rear temperature sensing device 6 that can sense oil temperature, preceding temperature sensing device 5 and rear temperature sense
Answer device 6 to be electrically connected with control system 7 respectively to communicate, the control system 7 controls the output quantity of the oil pump of main fuel tank 4, control
System 7 processed compares standard by the oil temperature signal that preceding temperature sensing device 5 and rear temperature sensing device 6 pass over and works in real time
Oil temperature, if oil temperature is higher than standard oil temperature, increases the output quantity of the oil pump of main fuel tank 4 so that into the refrigeration flow of cooling bath
Increase, if oil temperature is less than standard oil temperature, reduces the output quantity of the oil pump of main fuel tank 4 so that into the refrigeration flow of cooling bath
Reduce, realize the regulation and control of real-time oil temperature, and then keep the temperature of bearing 3 after main shaft 1 and radial direction fore bearing 2 and radial direction in standard temperature
In the range of degree, the fever damage of bearing 3 after main shaft 1 and radial direction fore bearing 2 and radial direction is avoided.
Cooling device 10 is additionally provided with, the oil outlet of preceding cooling bath 8 and the oil outlet of postcooling groove 9 are respectively through pipeline and cooling
The oil inlet connection of device 10, the oil outlet of cooling device 10 are connected with the oil return opening of main fuel tank 4, the control cooling of control system 7
The refrigeration work consumption of device 10.When oil temperature is higher than standard oil temperature, increase while the output quantity of oil pump of main fuel tank 4 is increased cold
But the refrigeration work consumption of device 10.When oil temperature is less than standard oil temperature, reduce while the output quantity of oil pump of main fuel tank 4 is reduced
The refrigeration work consumption of cooling device 10, realizes that real-time oil temperature quickly regulates and controls.
The cooling device 10 is the refrigeration machine equipped with refrigerant.
Preceding cooling bath 8 and postcooling groove 9 after the radial direction fore bearing 2 and radial direction on bearing 3 are respectively to be coated on radially
Annular cooling channel after fore bearing 2 and radial direction on 3 circumference of bearing, by annular cooling channel diameter to fore bearing 2 and radially
The clad type cooling of bearing 3 afterwards, realizes and cools down fully, comprehensively, and wherein annular cooling channel can also be that spiral shape or curve are circuitous
Back-shaped structure, improves the heat exchange efficiency of cooling oil.
Cooling bath 8 and two postcooling grooves before being respectively equipped with least two groups on bearing 3 after the radial direction fore bearing 2 and radial direction
9, it is spaced by multiple cooling baths, realizes a plurality of cooling duct synchronous cooling, ensures bearing after radial direction fore bearing 2 and radial direction
3 temperature are uniform.
Be additionally provided with preceding current divider 11 and rear current divider 12, the oil outlet of main fuel tank 4 by pipeline respectively with preceding current divider 11
Connected with the oil inlet of rear current divider 12, an oil outlet of preceding current divider 11 is connected with the oil inlet of preceding cooling bath 8, rear shunting
One oil outlet of device 12 is connected with the oil inlet of postcooling groove 9, is also distinguished on the preceding current divider 11 and rear current divider 12
Equipped with the preceding proportional flow control valve 13 and rear proportional flow control valve 14 for cooling flow to be adjusted, control system 7 controls preceding ratio
The output quantity of example flow valve 13 and rear proportional flow control valve 14, the oil come in is four tunnels by separator, wherein three tunnels are as main shaft 1
Dynamic and hydrostatic bearing is used, and is supplied to cooling bath all the way, multichannel oil circuit is realized by a fuel tank fuel feeding, when oil temperature is higher than standard oil temperature
When, the output quantity of scaling up flow valve so that the refrigeration flow into cooling bath increases, when oil temperature is less than standard oil temperature,
Reduce the output quantity of proportional flow control valve so that the refrigeration flow into cooling bath reduces, and realizes the tune of oil temperature in each group cooling bath
Section.
The preceding temperature sensing device 5 and rear temperature sensing device 6 be respectively be installed on before cooling bath 8 and with postcooling groove
Temperature sensor on 9 oil outlet side walls and on flowline side wall.
Bearing 3 is respectively dynamic and hydrostatic bearing after the radial direction fore bearing 2 and radial direction, using the Throttle Principle of hydrostatic bearing,
Make to produce sufficiently large hydrostatic bearing load power in pressure oil cavity, so that the wear phenomenon that main shaft 1 starts and stops is overcome, main shaft
After 1 starts, the dynamic pressure bearing capacity and static pressure bearing capacity that are formed by shallow cavity alias are superimposed, and are greatly increased main shaft 1 and are held
Loading capability, ensure that main shaft 1 has very high rotating accuracy and smoothness of operation.
The control system 7 is the electric control system 7 of roll grinder, and the control of electric control system 7 of roll grinder is led
1 rotating speed of axis, the electric control system 7 of roll grinder change to cooling oil in cooling bath according to 1 rotating speed of machine tool chief axis and oil temperature
Oil mass carries out intelligent control, ensures the temperature stabilization of 1 system of machine tool chief axis, it is ensured that the running stability of 1 system of high-speed main spindle.
Claims (9)
1. a kind of high-speed grinding roll grinder main shaft temperature control system, it is characterized in that：Including main shaft (1), radial direction fore bearing (2), footpath
Bearing (3), main fuel tank (4), preceding temperature sensing device (5), rear temperature sensing device (6) and control system (7) backward, for reality
Bearing is sheathed on the outside of main shaft both ends respectively after the radial direction fore bearing and radial direction of existing main shaft radial positioning, radial direction fore bearing and radial direction
The preceding cooling bath (8) led to for cooling oil stream is respectively equipped with bearing afterwards and postcooling groove (9), the oil outlet of main fuel tank pass through pipeline
Connected respectively with the oil inlet of preceding cooling bath and the oil inlet of postcooling groove, the oil outlet of preceding cooling bath and postcooling groove it is fuel-displaced
Mouth is connected through pipeline with the oil return opening of main fuel tank respectively, and being respectively equipped with the oil outlet end of the preceding cooling bath and postcooling groove can
Sense the preceding temperature sensing device of oil temperature and rear temperature sensing device, preceding temperature sensing device and rear temperature sensing device respectively with
Control system is electrically connected communication, the output quantity of the oil pump of the control system control main fuel tank.
2. high-speed grinding roll grinder main shaft temperature control system according to claim 1, it is characterized in that：It is additionally provided with cooling device
(10), the oil outlet of the oil outlet of preceding cooling bath and postcooling groove is connected through pipeline with the oil inlet of cooling device respectively, cooling
The oil outlet of device is connected with the oil return opening of main fuel tank, and control system controls the refrigeration work consumption of cooling device.
3. high-speed grinding roll grinder main shaft temperature control system according to claim 2, it is characterized in that：The cooling device is
Refrigeration machine equipped with refrigerant.
4. high-speed grinding roll grinder main shaft temperature control system according to claim 1, it is characterized in that：The radial direction fore bearing
It is respectively to be coated on after radial direction fore bearing and radial direction on bearing circumference with the preceding cooling bath after radial direction on bearing and postcooling groove
Annular cooling channel.
5. high-speed grinding roll grinder main shaft temperature control system according to claim 1, it is characterized in that：The radial direction fore bearing
With at least two groups are respectively equipped with after radial direction on bearing before cooling bath and two postcooling grooves.
6. high-speed grinding roll grinder main shaft temperature control system according to claim 5, it is characterized in that：It is additionally provided with preceding current divider
(11) connected respectively with the oil inlet of preceding current divider and rear current divider by pipeline with rear current divider (12), the oil outlet of main fuel tank
Logical, an oil outlet of preceding current divider is connected with the oil inlet of preceding cooling bath, the oil outlet and postcooling of rear current divider
The oil inlet of groove connects, and the preceding ratio for cooling flow to be adjusted is further respectively had on the preceding current divider and rear current divider
Example flow valve (13) and rear proportional flow control valve (14), control system control the output of preceding proportional flow control valve and rear proportional flow control valve
Amount.
7. high-speed grinding roll grinder main shaft temperature control system according to claim 1, it is characterized in that：The preceding temperature sense
Device and rear temperature sensing device be respectively before being installed on cooling bath and with postcooling groove oil outlet side wall and flowline
Temperature sensor on side wall.
8. high-speed grinding roll grinder main shaft temperature control system according to claim 1, it is characterized in that：The radial direction fore bearing
It is respectively dynamic and hydrostatic bearing with bearing after radial direction.
9. high-speed grinding roll grinder main shaft temperature control system according to claim 1, it is characterized in that：The control system is
The electric control system of roll grinder, the electric control system control speed of mainshaft of roll grinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430668.XA CN107953261A (en) | 2017-12-26 | 2017-12-26 | High-speed grinding roll grinder main shaft temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430668.XA CN107953261A (en) | 2017-12-26 | 2017-12-26 | High-speed grinding roll grinder main shaft temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107953261A true CN107953261A (en) | 2018-04-24 |
Family
ID=61955711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711430668.XA Pending CN107953261A (en) | 2017-12-26 | 2017-12-26 | High-speed grinding roll grinder main shaft temperature control system |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707728A (en) * | 2019-03-12 | 2019-05-03 | 哈尔滨理工大学 | A kind of novel dynamic and static pressure tilting thrust bearing thrust tile structure |
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| CN101856795A (en) * | 2009-04-08 | 2010-10-13 | 昆山华辰机器制造有限公司 | Full-automatic digital control roll grinder backup roll belt box grinding device |
| CN102596493A (en) * | 2010-01-29 | 2012-07-18 | 三菱重工业株式会社 | Main shaft device for boring machine |
| CN202622569U (en) * | 2012-04-24 | 2012-12-26 | 无锡精艺机床有限公司 | Main-shaft constant-temperature control system of grinding machine |
| CN104175216A (en) * | 2014-08-14 | 2014-12-03 | 北京工业大学 | Follow-up type grinding wheel rack for double-grinding wheel rack crankshaft grinding machine |
| CN205465456U (en) * | 2016-01-15 | 2016-08-17 | 一拖(洛阳)开创装备科技有限公司 | Lathe high -speed spindle cooling and lubrication device |
| CN207682179U (en) * | 2017-12-26 | 2018-08-03 | 华辰精密装备（昆山）股份有限公司 | High-speed grinding roll grinder main shaft temperature control system |
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| JPH024741U (en) * | 1988-06-17 | 1990-01-12 | ||
| JPH07145819A (en) * | 1990-12-21 | 1995-06-06 | Makino Milling Mach Co Ltd | Lubrication structure of bearing |
| US5798587A (en) * | 1997-01-22 | 1998-08-25 | Industrial Technology Research Institute | Cooling loop structure of high speed spindle |
| JP2000015540A (en) * | 1998-06-26 | 2000-01-18 | Niigata Eng Co Ltd | Motor built-in type main spindle device of machine tool |
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| CN109707728A (en) * | 2019-03-12 | 2019-05-03 | 哈尔滨理工大学 | A kind of novel dynamic and static pressure tilting thrust bearing thrust tile structure |
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