CN107953147B - A kind of Mill precise grinding process - Google Patents
A kind of Mill precise grinding process Download PDFInfo
- Publication number
- CN107953147B CN107953147B CN201711080349.0A CN201711080349A CN107953147B CN 107953147 B CN107953147 B CN 107953147B CN 201711080349 A CN201711080349 A CN 201711080349A CN 107953147 B CN107953147 B CN 107953147B
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- China
- Prior art keywords
- backing roll
- dynamic
- head frame
- static pressure
- pressure head
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Classifications
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- 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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/37—Single-purpose machines or devices for grinding rolls, e.g. barrel-shaped rolls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The present invention provides a kind of Mill precise grinding process, roll grinder (4) are used in this method implementation process, backing roll (1) is supported using sound pressure head frame (2) and dynamic and static pressure tailstock (3), the one end of backing roll (1) is first processed to aimed dia, then turn around to process the other end to aimed dia, it is supported using the position that sound pressure head frame (2) and dynamic and static pressure tailstock (3) have been machined to aimed dia to backing roll (1), then carries out the grinding of other position diameters of axle.One end is first processed to backing roll in the application, then it turns around to process the other end, it is supported using the position that sound pressure head frame and dynamic and static pressure tailstock have been machined to aimed dia to backing roll, this grinding method can eliminate the support original foozle bring Grinding Error of the diameter of axle, to reach the requirement of high-precision grinding, while eliminating the influence of traditional grinding method support diameter of axle size and geometric tolerance to grinding accuracy.
Description
Technical field
The present invention relates to grinding field, especially a kind of Mill precise grinding process.
Background technique
Backing roll is to be used to support working roll or intermediate calender rolls in milling train, prevents working roll from deflection deformation occur and influences plate shape
The important component of quality, the superiority and inferiority of backing roll quality directly affect the yield and quality for rolling plate.Engineering in practice, backing roll exists
Under normal operating condition, the easy cracked and secondary surface layer crack initiation in surface.The grinding quality of backing roll is used for the service life
It has a major impact.In the processing of backing roll accurate grinding, itself top precision of CNC roll grinder and bearing gyration aperture and
The error that backing roll both ends centre bore machining accuracy and roughness generate, influences whether that grinding positioning accuracy is held on backing roll top, especially
It is when needing to reverse end for end grinding, and high-precision requirement is not achieved in concentricity and cylindricity.Traditional dynamic and static pressure bracket support method is
Bracket support is on the backing roll diameter of axle of prior milled.Due to the presence of support diameter of axle size and geometric tolerance, can cause larger
Mismachining tolerance, the raising of backing roll machining accuracy is also restrained.In addition, for the backing roll of some grindings that need to turn around,
The precision after being ground that turns around can further decrease.
Summary of the invention
The object of the present invention is to provide a kind of Mill precise grinding process, solve when backing roll grinding concentricity and
The problem of cylindricity low precision.
Specifically, the present invention provides a kind of Mill precise grinding process, using rolling in this method implementation process
Roller grinding machine, comprising the following steps: backing roll is supported using sound pressure head frame and dynamic and static pressure tailstock, first processes backing roll
Then turn around to process the other end to aimed dia, using sound pressure head frame and dynamic and static pressure tailstock to bearing to aimed dia in one end
The position that roller has been machined to aimed dia is supported, then carries out the grinding of the other position diameters of axle of backing roll.
Specifically, being supported using sound pressure head frame and dynamic and static pressure tailstock to backing roll, first sound pressure head frame is propped up
The contact position of the backing roll of support is ground, and is ground to aimed dia, is then turned around, and the support of dynamic and static pressure tailstock has been machined to
The corresponding position of the backing roll of aimed dia carries out being ground to target to the contact position for the backing roll that sound pressure head frame is supported
Diameter, then carry out the grinding of the other position diameters of axle of backing roll.
Backing roll is supported using sound pressure head frame and dynamic and static pressure tailstock, instead of the original top support of lathe, energy
It is enough to eliminate because of the trueness error that lathe is top, the backing roll center hole accuracy of manufacture and bearing rotating accuracy generate, while first processing
Then one end turns around to process the other end, can eliminate the support original foozle bring Grinding Error of the diameter of axle.
Further, comprising the following steps:
Step 1: the position of calibration sound pressure head frame and dynamic and static pressure tailstock；Avoid the error and grinding of support device
Error is overlapped, and error can be made to further increase.
Step 2: backing roll is installed on sound pressure head frame and dynamic and static pressure tailstock；
Step 3: starting roll grinder, is ground the position on backing roll with the touching of sound pressure head bridge joint, is ground to mesh
Diameter is marked, roll grinder is closed；
Roll grinder provides power and backing roll is rotated, while Grinding wheel rotation being driven to be ground.
Step 4: backing roll is turned, so that the position for being ground to aimed dia is installed on dynamic and static pressure tailstock, to
One end of grinding is installed on sound pressure head frame；
The position processed after turning is used to support, and position to be processed also becomes Support Position after processing is completed,
Two such Support Position is processed by high-precision, can eliminate itself radial deviation from circular from as supporting point, so that
Following process precision is high.
Step 5: restarting roll grinder, the position touched to backing roll with sound pressure head bridge joint is ground, is ground to
Aimed dia；
Step 6: mobile Grinding wheel, positions to be ground other to backing roll are processed.
Further, the position of amesdial and cylindrical gauge calibration sound pressure head frame and dynamic and static pressure tailstock is used in step 1
It sets.
Amesdial and cylindrical gauge precision are high, and the two is used cooperatively the peace that sound pressure head frame and dynamic and static pressure tailstock can be improved
Holding position precision, error caused by reducing because of support.
Further, sound pressure head frame and dynamic and static pressure tailstock are mounted on roll grinder；
Roll grinder is fixed on ground；Sound pressure head frame and the opposite guide rail for being installed on roll grinder of dynamic and static pressure tailstock
On, for being supported to backing roll.
Sound pressure head frame and dynamic and static pressure tailstock can move on guide rail, adjust relative position between the two, that is, adjust
Relative distance, can be used for supporting the backing roll of different size, use scope is wide.
Further, Tuo Wa is installed on sound pressure head frame and dynamic and static pressure tailstock；
Tuo Wa is in contact with backing roll, and that holds in the palm watt circumferentially fixed has seal protecting device.
Pressure head frame and backing roll are isolated for Tuo Wa and seal protecting device, frictional heat generation when avoiding direct contact with, temperature mistake
Height, and reduce abrasion.
Further, seal protecting device is sealing ring, and material is rubber.
Rubber seal has very strong morphotropism, while wear-resisting, support watt can be sealed when support backing roll and
Avoid the abrasion bring mismachining tolerance of backing roll.
Further, it is mounted on buffer protection device on sound pressure head frame and dynamic and static pressure tailstock, for alleviating backing roll
To the impact force of sound pressure head frame and dynamic and static pressure tailstock when placement；Micro-adjusting mechanism is installed on dynamic and static pressure tailstock, for correcting branch
The installation site of runner in the horizontal direction.
Buffer protection device can be avoided destruction of the large impact power to pressure head frame, extend service using life, and freqency fine adjustment machine
Structure can realize more accurate adjusting, realize the accurate support to backing roll.
Further, amesdial is installed on roll grinder, and cylindrical gauge is installed on sound pressure head frame and dynamic and static pressure tail
In the support watt of frame, the position of sound pressure head frame and dynamic and static pressure tailstock is calibrated in amesdial and cylindrical gauge cooperation.Amesdial and amount
Rule are used when being calibration, are withdrawn after the completion of adjusting, and the position of the two cooperation calibration pressure head frame is eliminated installation error, improved
Machining accuracy.
Further, micro-adjusting mechanism, the installation position of correction backing roll in the horizontal direction are adjusted in step 2 and step 4
It sets.Micro-adjusting mechanism, which can be realized, more accurately to be adjusted, and installation error is eliminated, and improves grinding accuracy.
The application's has the beneficial effect that
(1) backing roll is supported using sound pressure head frame and dynamic and static pressure tailstock, instead of the original top support of lathe,
It can eliminate because of the trueness error that lathe is top, the backing roll center hole accuracy of manufacture and bearing rotating accuracy generate；
(2) one end is first processed to backing roll, then turns around to process the other end, use sound pressure head frame and dynamic and static pressure tailstock pair
The position that backing roll has been machined to aimed dia is supported, i.e., the diameter of axle at the two of dynamic and static pressure bracket support is worked into same
Size, then the grinding of the subsequent backing roll diameter of axle is carried out, this grinding method can eliminate the support original foozle of the diameter of axle and bring
Grinding Error, to reach the requirement of high-precision grinding, while eliminating traditional grinding method support diameter of axle size and morpheme
Influence of the tolerance to grinding accuracy, can achieve the requirement of high-precision grinding；
(3) end face using dynamic and static pressure bracket support to complete the process guarantees backing roll concentricity after grinding and cylinder
Degree.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not to be construed as limiting the invention, in entire attached drawing
In, identical reference symbol indicates identical component.
Fig. 1 is the overall structure diagram of roll grinder in the present invention；
Fig. 2 is the left view of roll grinder in the present invention；
Fig. 3 is cylindrical gauge schematic view of the mounting position in the present invention；
Fig. 4 is position view when micrometer and cylindrical gauge use in the present invention；
Fig. 5 is backing roll grinding position schematic diagram in the present invention；
Fig. 6 is grinding position schematic diagram after backing roll turns around in the present invention.
In figure: 1- backing roll, 2- sound pressure head frame, 3- dynamic and static pressure tailstock, 4- roll grinder, 5- buffer protection device, 6-
Micro-adjusting mechanism, 7- seal protecting device, 8- gauge, 9- amesdial, 10- support watt.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
The present invention provides a kind of Mill precise grinding process, as illustrated in fig. 1 and 2, in this method implementation process
Using roll grinder 4, sound pressure head frame 2 and dynamic and static pressure tailstock 3 be installed on the guide rail of roll grinder 4, sound pressure head frame 2 and dynamic
Static pressure tailstock 3 can be moved back and forth along guide rail.
Roll grinder 4 is fixed on ground；Sound pressure head frame 2 and the opposite installation of dynamic and static pressure tailstock 3, for adding to be ground
The backing roll 1 of work is supported；Support watt 10 is installed, support watt 10 is in contact with backing roll 1, to backing roll 1 on sound pressure head frame 2
It is supported, the circumferentially fixed of support watt 10 has seal protecting device 7, is sealed to support watt 10 and surrounding hydraulic oil, prevents
Grinding fluid enters in oil film of the support watt between 10 and backing roll 1 when being only ground, and increases friction of the support watt between 10 and backing roll 1
Power, friction heat production temperature is excessively high when prevention support watt 10 is contacted with backing roll 1；Support watt 10, support watt 10 are installed on dynamic and static pressure tailstock 3
Be in contact with backing roll 1, backing roll 1 be supported, the circumferentially fixed of support watts 10 has seal protecting device 7, to support watt 10 and
Surrounding hydraulic oil is sealed, and is prevented grinding fluid when grinding from entering in oil film of the support watt between 10 and backing roll 1, is increased support
Frictional force watt between 10 and backing roll 1, the heat production temperature that rubs when contacting with backing roll 1 of prevention support watt 10 are excessively high；Micro-adjusting mechanism 6
It is installed on dynamic and static pressure tailstock 3, for correcting the installation site of backing roll 1 in the horizontal direction, prevents the micro- of dynamic and static pressure tailstock 3
It is dynamic that backing roll precision is had an impact；It is mounted on buffer protection device 5 on sound pressure head frame 2 and dynamic and static pressure tailstock 3, for delaying
Solve impact force when backing roll 1 is placed to sound pressure head frame 2 and dynamic and static pressure tailstock 3.
In this application, seal protecting device 7 is sealing ring, and material is rubber, which is fixed on sound pressure head frame 2
On dynamic and static pressure tailstock 3, support watt 10 is enclosed inside it, height slightly above support watt 10, when placing backing roll 1, due to rubber
The elasticity of itself compresses seal protecting device 7, and then support watt 10 is sealed in inside seal protecting device 7, avoids grinding
Grinding fluid enters support watt between 10 and backing roll 1 when cutting.
Mill precise grinding process of the invention the following steps are included:
Step 1: as shown in Figure 3 and Figure 4, calibrating sound pressure head frame 2, sound using amesdial 9 and cylindrical gauge 8
The position of tailstock 3 is pressed, school reference of reference is the guide rail direction of roll grinder 4, and sound pressure head frame 2 and dynamic and static pressure tail are made after calibration
Frame 3 and the guide rail of roll grinder 4 are perpendicular, and sound pressure head frame 2 and dynamic and static pressure tailstock 3 can be moved along guide rail direction；
In use, amesdial 9 is installed on roll grinder 4, cylindrical gauge 8 is installed on sound pressure head frame 2 and dynamic and static pressure
In the support watt 10 of tailstock 3, is cooperated using amesdial 9 and cylindrical gauge, calibrate the position of sound pressure head frame 2 and dynamic and static pressure tailstock 3
It sets.
Step 2: backing roll 1 is installed on sound pressure head frame 2 and dynamic and static pressure tailstock 3, simultaneous buffering protective device 5 is slow
The impact force of sound pressure head frame 2 and dynamic and static pressure tailstock 3 is solved, micro-adjusting mechanism 6 is adjusted and corrects the installation of backing roll 1 in the horizontal direction
Position, so that backing roll 1 is consistent with the guide rail direction of roll grinder 4, while the chuck of roll grinder 4 blocks backing roll 1, makes
Obtaining roll grinder 4 can drive backing roll 1 to rotate；
Step 3: starting roll grinder 4, as shown in figure 5, roll grinder 4 drives backing roll 1 to rotate, the mill of roll grinder 4
It cuts wheel to be ground the position contacted on backing roll 1 with sound pressure head frame 2, is ground to aimed dia D, close roll grinder 4；
In the application, roll grinder 4 is CNC roll grinder.
Step 4: as shown in fig. 6, backing roll 1 is turned, so that the one end for being ground to aimed dia is installed on sound
It presses on tailstock 3, one end to be ground is installed on sound pressure head frame 2, and simultaneous buffering protective device 5 alleviates 2 He of sound pressure head frame
The impact force of dynamic and static pressure tailstock 3 adjusts micro-adjusting mechanism 6 and corrects the installation site of backing roll 1 in the horizontal direction, while roll is ground
The chuck of bed 4 blocks backing roll 1, so that roll grinder 4 can drive backing roll 1 to rotate；
The characteristic that CNC roll grinder has repetitive positioning accuracy high, this to turn even if backing roll 1, adjusts both ends
Position, when reposition, backing roll 1 still ensures that high-precision.
Step 5: restarting roll grinder 4, Grinding wheel one end to be ground to backing roll 1 are ground, it is ground to mesh
Mark diameter D；
Step 6: mobile Grinding wheel, positions to be ground other to backing roll 1 are processed.
Sound pressure head frame and dynamic and static pressure tailstock used herein are supported backing roll, original top instead of lathe
Support can be eliminated because of the trueness error that lathe is top, the backing roll center hole accuracy of manufacture and bearing rotating accuracy generate.
One end is first processed to backing roll in the application, then turns around to process the other end, uses sound pressure head frame and dynamic and static pressure
The position that tailstock has been machined to aimed dia to backing roll is supported, i.e., the diameter of axle at the two of dynamic and static pressure bracket support is processed
To same size, then the grinding of the subsequent backing roll diameter of axle is carried out, this grinding method can eliminate the original manufacture of the support diameter of axle and miss
Poor bring Grinding Error to reach the requirement of high-precision grinding, while eliminating traditional grinding method support diameter of axle size
Influence with geometric tolerance to grinding accuracy can achieve the requirement of high-precision grinding.
Although having been combined preferred embodiment to be described in detail the present invention, those skilled in the art are answered
What it is when understanding is without prejudice to spirit of that invention and essence, and various amendments are all allowed, they both fall within this hair
Among bright scope of protection of the claims.
Claims (8)
1. a kind of Mill precise grinding process, roll grinder (4) are used in this method implementation process, which is characterized in that
The following steps are included: being supported using sound pressure head frame (2) and dynamic and static pressure tailstock (3) to backing roll (1), backing roll is first processed
(1) it then turns around to process the other end to aimed dia to aimed dia, uses sound pressure head frame (2) and dynamic and static pressure tail in one end
The position that frame (3) has been machined to aimed dia to backing roll (1) is supported, then carries out the other position diameters of axle of backing roll (1)
Grinding；
The step specifically:
Step 1: the position of calibration sound pressure head frame (2) and dynamic and static pressure tailstock (3)；
Step 2: backing roll (1) is installed on sound pressure head frame (2) and dynamic and static pressure tailstock (3)；
Step 3: starting roll grinder (4), is ground the position contacted on backing roll (1) with sound pressure head frame (2), grind
It cuts to aimed dia, closes roll grinder (4)；
Step 4: backing roll (1) is turned, so that the position for being ground to aimed dia is installed on dynamic and static pressure tailstock (3),
One end to be ground is installed on sound pressure head frame (2)；
Step 5: restarting roll grinder (4), the position contacted to backing roll (1) with sound pressure head frame (2) are ground,
It is ground to aimed dia；
Step 6: mobile Grinding wheel, processes the other positions to be ground of backing roll (1).
2. Mill precise grinding process according to claim 1, which is characterized in that use thousand in the step 1
Table (9) and cylindrical gauge (8) are divided to calibrate the position of sound pressure head frame (2) and dynamic and static pressure tailstock (3).
3. Mill precise grinding process according to claim 1, which is characterized in that the sound pressure head frame (2)
It is mounted on the roll grinder (4) with dynamic and static pressure tailstock (3)；
The roll grinder (4) is fixed on ground；The sound pressure head frame (2) and opposite be installed on of dynamic and static pressure tailstock (3) are rolled
On the guide rail of roller grinding machine (4), for being supported to backing roll (1).
4. Mill precise grinding process according to claim 1, which is characterized in that the sound pressure head frame (2)
Tuo Wa (10) are installed on the dynamic and static pressure tailstock (3)；
The support watt (10) is in contact with backing roll (1), and support the circumferentially fixed of watt (10) has seal protecting device (7).
5. Mill precise grinding process according to claim 4, which is characterized in that the seal protecting device
It (7) is sealing ring, material is rubber.
6. Mill precise grinding process according to claim 1-5, which is characterized in that the dynamic and static pressure
Buffer protection device (5) are mounted on head frame (2) and dynamic and static pressure tailstock (3), for alleviating when backing roll (1) is placed to sound
The impact force of pressure head frame (2) and dynamic and static pressure tailstock (3)；Micro-adjusting mechanism (6) are installed on the dynamic and static pressure tailstock (3), are used for school
The positive installation site of backing roll (1) in the horizontal direction.
7. Mill precise grinding process according to claim 2, which is characterized in that amesdial (9) installation
In on roll grinder (4), the cylinder gauge (8) is installed on the Tuo Wa (10) of sound pressure head frame (2) and dynamic and static pressure tailstock (3)
On, the amesdial (9) and cylindrical gauge (8) cooperate, and calibrate the position of sound pressure head frame (2) and dynamic and static pressure tailstock (3).
8. Mill precise grinding process according to claim 6, which is characterized in that adjusted in step 2 and step 4
It saves the micro-adjusting mechanism (6), the installation site of correction backing roll (1) in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080349.0A CN107953147B (en) | 2017-11-06 | 2017-11-06 | A kind of Mill precise grinding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080349.0A CN107953147B (en) | 2017-11-06 | 2017-11-06 | A kind of Mill precise grinding process |
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| Publication Number | Publication Date |
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| CN107953147A CN107953147A (en) | 2018-04-24 |
| CN107953147B true CN107953147B (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711080349.0A Active CN107953147B (en) | 2017-11-06 | 2017-11-06 | A kind of Mill precise grinding process |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757265A (en) * | 2019-11-06 | 2020-02-07 | 新余钢铁股份有限公司 | Grinding method for bearing inner sleeve of acid rolling support roller |
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| JP2000127022A (en) * | 1998-10-27 | 2000-05-09 | Shinetsu Quartz Prod Co Ltd | Groove polishing device for quartz glass rod |
| CN101428393A (en) * | 2008-12-17 | 2009-05-13 | 合肥工业大学 | Machine tool fluid pressure center frame |
| CN201644509U (en) * | 2009-12-30 | 2010-11-24 | 一重集团大连设计研究院有限公司 | Cushion block pushing and pulling device of rolling mill |
| CN102513890A (en) * | 2011-12-19 | 2012-06-27 | 上海机床厂有限公司 | Angular precision positioning device for crank of crankshaft |
| CN103009200A (en) * | 2012-12-25 | 2013-04-03 | 武汉宝德机电有限责任公司 | Two-wheeled numerical control roll grinder and numerical control method thereof |
| CN203679339U (en) * | 2013-12-09 | 2014-07-02 | 上海机床厂有限公司 | Bracket arc tile on-line boring device of heavy roll grinder |
-
2017
- 2017-11-06 CN CN201711080349.0A patent/CN107953147B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000127022A (en) * | 1998-10-27 | 2000-05-09 | Shinetsu Quartz Prod Co Ltd | Groove polishing device for quartz glass rod |
| CN101428393A (en) * | 2008-12-17 | 2009-05-13 | 合肥工业大学 | Machine tool fluid pressure center frame |
| CN201644509U (en) * | 2009-12-30 | 2010-11-24 | 一重集团大连设计研究院有限公司 | Cushion block pushing and pulling device of rolling mill |
| CN102513890A (en) * | 2011-12-19 | 2012-06-27 | 上海机床厂有限公司 | Angular precision positioning device for crank of crankshaft |
| CN103009200A (en) * | 2012-12-25 | 2013-04-03 | 武汉宝德机电有限责任公司 | Two-wheeled numerical control roll grinder and numerical control method thereof |
| CN203679339U (en) * | 2013-12-09 | 2014-07-02 | 上海机床厂有限公司 | Bracket arc tile on-line boring device of heavy roll grinder |
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| CN107953147A (en) | 2018-04-24 |
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