CN102458758A - Grinding device for rolls having stationary guide rails and mobile grinding unit - Google Patents
Grinding device for rolls having stationary guide rails and mobile grinding unit Download PDFInfo
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- CN102458758A CN102458758A CN2010800317242A CN201080031724A CN102458758A CN 102458758 A CN102458758 A CN 102458758A CN 2010800317242 A CN2010800317242 A CN 2010800317242A CN 201080031724 A CN201080031724 A CN 201080031724A CN 102458758 A CN102458758 A CN 102458758A
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Images
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
- 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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- 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
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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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
- 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
- B24B5/363—Single-purpose machines or devices for grinding surfaces of revolution in situ
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention relates to a grinding device (1) for the surface treatment of rolls (2), particularly of rolls (2) for machines producing, finishing and/or processing webs, such as paper, cardboard or tissue machines, comprising stationary components and mobile components which can be separated from each other. The stationary components comprise guide rails (5), which extend substantially in parallel to a roll axis of the roll (2) to be treated and which are connected to a subsurface (6). Thus, the stationary components, such as the guide rails (5), can remain at the place of use of the rolls, while the components that are mobile or can be transported can be easily separated from the stationary components and can be transported to other locations.
Description
Technical field
The present invention relates to a kind of as described in the preamble, grinding attachment of being used for the grinding roller as claimed in claim 1, be particularly useful for grinding and be used for making and/or the refined fiber width of cloth, the for example roller of the machine of paper web, board web or tissue web.
Background technology
The roller that uses in the paper industry is worn inevitably.Usually roller is transported to service centre now and repairs and renovate again at this place.Yet because the size of roller and weight are increasing always, the length of weight and 12m that surpasses 100t is no longer rare, both economically also for example because the scheme that the restriction in the goods conveying need substitute.For this reason, a kind of grinding attachment is provided, this grinding attachment is removable and can be transported to the paper mill and in the paper mill, move with simple mode.
For the drying of the paper machine that is used to make thin paper, the known apparatus and method that are useful on grinding roller surface in WO01/49451A1.Such drying of paper machine is very big on the one hand, because its heatable design is difficult to dismounting, therefore the surface of this so-called Yang Keshi drying cylinder must be handled in the original place all the time on the other hand.In WO01/49451A1, put down in writing a kind of grinding attachment that is used for this Yang Keshi drying cylinder of grinding, wherein, grinding attachment moves towards roller and away from roller along the direction that is arranged essentially parallel to roller.In addition; Be provided with and attach troops to a unit in the grinding attachment and the measuring system that can move with this grinding attachment; This measuring system is used for measuring roller and relative at least one reference line is arranged; The axis that this reference line is arranged in the outside of roller and is parallel to roller moves, and wherein, in the vertical face of preferred relative reference line, confirms relative position.The grinding process of carrying out by grinding attachment, that is thrust or contact pressure are regulated according to the measured value that is obtained by measuring system.Therefore, carry out grinding process based on prior measurement with the power controlled way to the surface.
Shortcoming in this known grinding process is, at this on the one hand, measuring system can not reach required precision for the processing on the roller surface that has different jackets, and the controlled grinding of power is difficulty very under the situation of soft or flexible jacket.Other above-mentioned Yang Keshi drying cylinder is made of metal or has pottery or hard metal coating, yet does not cover the Soft Roll cover.
In addition, the Sand Band Grinding Technique of using by WO01/49451A1 is inappropriate for the degree of hope and handles soft roller shell.
In addition, being guided on the scraping article of in by WO01/49451A1, using in the disclosed device can not be used, and this also is inappropriate for the grinding of geometry control.
Shortcoming as being had by the disclosed conventional grinder of EP1548396A promptly, is completely fixed in a place.Especially there is this shortcoming in this at the grinding bed that is used for milling drum.At this, this grinding bed generally includes the concrete pedestal of large-size and quality, and this concrete pedestal for example is arranged in the appropriate groove in the ground of hall and is bearing in the spring that is used for vibration decoupling.This grinding bed can be hundreds of tons of weights and therefore only expend very much and could make.In addition, this grinding bed with to mobility require inconsistent.The milling drum that has this grinding bed only is configured to fixedly use and can not be transferred.
Summary of the invention
Correspondingly, technical problem to be solved by this invention is, a kind of milling drum that is used for roller is provided, and this milling drum is movably, and need not expend and heavy grinding machine, and is suitable for using on the roller surface arbitrarily.
At this, most important standard is to the requirement of precision with to the insensitivity disturbed and contain above-mentioned application.
Therefore, be designed to by the present invention, grinding attachment comprises the fixed part and the movable part that can be separated from each other, and said fixed part comprises roll axis extension that is arranged essentially parallel to roller to be processed and the guide rail that is connected with ground.
At this, fixed part moves in framework, and this framework is compared common grinding bed and is characterised in that, is easy to install, less basis and cheap.Therefore fixing parts may reside in each paper mill of hope, and movable part simply mode separate with fixed part and movable part can be placed in other installation position then so that in this position use.
Therefore, the paper mill both need not also needn't be transported to the maintenance center with heavier and long roller under the expense according to fixedly grinding attachment own, that expend very much greatly.Purchasing of movable part is able to cancellation, because these parts are ordered goods, used and output once more with the form of after-sale service as required.Therefore, hard-wired cost element is lower.
Draw other favourable aspect and structural type by each dependent claims.
Guide rail can advantageously directly be connected with ground, is connected with the support that inserts ground or with the framework that inserts ground, so the basis of the precision that can realize meeting the demands.
On the support of bearing that roller to be ground preferably can be arranged in ground is connected.
In order to make the support of bearing and/or guide rail take off coupling, can be that the passive spacer assembly of the buffer element of cushion and/or spring element form suppresses vibrational excitation in the ground and the support of bearing and/or the form that between ground and guide rail, is provided with.This is the simple measures that suppresses vibrational excitation.
The support of bearing and/or guide rail also can particularly preferably have the device that is used for initiatively taking off with ground coupling, and this device is the form that can control with adjustable actuator.Although this is a kind of complicated, cushion form very reliably.Also can design the mixed form of forming by active and passive buffering.
Also can process less roller diameter greatly in order to make can to process, and in order correctly to adjust the position that is used for surface-treated cutter opposed roller axis, advantageously, can be flatly in bearing spider the also bearing position of dancer rools vertically.
The movable part of grinding attachment advantageously can comprise can be on guide rail vertical slide of guiding movably, this vertical slide can move or be slidably disposed along the bearing of trend of the roll axis of roller to be processed.
Vertically slide preferably can have bearing, this bearing and guide rail reciprocation.At this, preferred bearing type is sliding bearing or rolling bearing.At this, a kind of structure that has around the fixing-floating bearing that rolls boots (Rollenumlaufschen) of a kind of preferred especially form of implementation design, this bearing arrangement has high accuracy and when being difficult for offsetting transverse to the direction of motion, has good guiding.
A preferred cross slide is removable or be slidably arranged on vertical slide, and wherein, the direction of motion that the direction of motion of cross slide is substantially perpendicular to vertical slide is directed.The free degree of thus can direct and simple mode controlling the hope of relative roller motion.
In order in the roller surface, to introduce special embossing or other surface texture, also advantageously, cross slide can be relatively vertical slide level and/or vertically pivot.
Vertically can also construct guide rail-bearing arrangement between slide and the cross slide, this system is especially through engaging with bearing, so that can form guide rail, because can in process, fix with respect to the power of recommending thus.
Cross slide can be fixed on vertical slide or removably be arranged on vertical slide.Fixed and arranged has reduced the installation expense, because needn't extra installation cross slide, on the other hand, removable cross slide helps the compactedness of device.
Advantageously can be on cross slide placement tool, especially abrasive grinding wheel, abrasive belt grinding device, grooved means, superfinishing equipment or grinding equipment, this has guaranteed grinding attachment range of application widely.
The operation of said instrument is especially preferably through how much control, because can realize higher precision thus.
According to a kind of particularly advantageous method of the present invention, grinding attachment has measurement mechanism, can confirm the position of the roller that grinding attachment is to be processed relatively through this measurement mechanism.
Measurement mechanism preferably can have at least two checkout gears that are used for reference target, and this checkout gear can be designed as scanner, especially the form of laser scanner.Such scanner makes it possible to simply, but detects the position of target very reliably.
Reference target can particularly preferably be designed to the form wiry of tensioning, and this wire is arranged essentially parallel to the roll axis of roller to be processed and arranges and, unalterable geometrical relationship that become to confirm with this roll axis.This reference substance makes it possible to accurately to confirm the relative tertiary location between the vitals of device, thereby can compensate possible inaccuracy in the mechanical basis.
The preferred wire of arranging like this makes this wire to be detected by scanner, and this corresponding geometry through scanner realizes.
At this, scanner can be arranged in pairs respectively on vertical slide and cross slide.At this, can be respectively according to as in course of conveying, protect scanner, be convenient to operating personnel near etc. viewpoint select.
In addition, measurement mechanism can advantageously comprise at least one tilt sensor, and this tilt sensor is arranged in the gradient that can detect the relative ground of cross slide on the cross slide and through this tilt sensor.
Equally advantageously, measurement mechanism has at least one and measures detector, and this measurement detector arrangement can be surveyed the roller surface to be processed and/or the distance of measurement grinding attachment and roll axis on cross slide and through this detector.Measure detector and can be designed as inductive measuring detector or laser detector.
Especially preferably a kind of like this enforcement modification; At least one wherein is set, and another measures detector; This another measure detector and measure the dorsal part of detector arrangement at roller about roll axis relative first, but measure the radially vibropendulous error on the bearing position of detector measuring roll through this another.
The measured value of scanner, tilt sensor, at least one measurement detector preferably can be transported to measurement mechanism, and this measurement mechanism is used for by means of adjusting device 21,25, the position of 26 controls and adjustment means 17.Adjusting device for example can be designed as the form of piezoelectric actuator at this.
Instrument can advantageously be pivoted in a plurality of planes about roll axis through at least one adjusting device.
In addition, instrument can move through the direction of at least one adjusting device along roll axis.Can move to the optional position in this way and can process preset arbitrarily surface configuration, like special embossing.
Description of drawings
Followingly specify the present invention according to preferred embodiment with reference to accompanying drawing.Shown in the drawings:
Fig. 1 be from above the schematic diagram of obviously simplifying by the grinding attachment of the present invention's structure has been shown the vertical view seen;
Fig. 2 A-B is the sketch map that is used for by two kinds of possible measures of the vibration decoupling of the grinding attachment of the present invention structure;
Fig. 3 be have two roller diameters or tool diameter, by the diagrammatic side view of grinding attachment of the present invention,
Fig. 4 A-C is the diagrammatic side view that is used for by three kinds of possibility bases of grinding attachment of the present invention;
Fig. 5 is the embodiment by the supporting arrangement of the grinding attachment of the present invention's structure;
Fig. 6 is two three-dimensional views of obviously illustrating by the vertical and horizontal slide of grinding attachment of the present invention;
Fig. 7 A-B is side view and the vertical view by first kind of preferred embodiment of the grinding attachment of the present invention's structure, and
Fig. 8 A-B is side view and the vertical view by second kind of preferred embodiment of the grinding attachment of the present invention's structure.
The specific embodiment
In Fig. 1 this from above the vertical view seen show by the obvious schematic diagram of signal of grinding attachment 1 of the present invention.
At this; The design of major parts of grinding attachment 1 is movably and can installs at short notice and disassemble and transport with little expense; And therefore be particularly suited in the paper mill, using; This paper mill has the paper machine that has such length and heavy roller, make with its be transported to the maintenance center grinding uneconomical and/or since legal provisions do not allow.This roller 2 can by means of by grinding attachment 1 of the present invention to its appropriate place, the for example processing of the position in the hall.After grinding process, another paper mill can disassembled and be transported to grinding attachment 1, makes to omit expensive and the building of expending to fixing grinding attachment.Only need to keep a basis, be used for to reappose grinding attachment 1 in next grinding circulation in each paper mill.
For when using by grinding attachment 1 of the present invention; In grinding process, can realize required rigidity; And in order can compensating form to be the interference ambient influnence of vibrational excitation, therefore to need the support of bearing 3 of roller 2 and be used for the connection of rigidity as far as possible between the guide rail 5 of grinding attachment 1.In addition, although omitted traditional grinding bed, must create and keep basic geometrical relationship between grinding attachment 1 and the roller 2.
For buffering vibration can have various schemes; Therefore for example can use passive spacer assembly; This spacer assembly schematically illustrates in Fig. 2 A; Mode is that the framework 4 with rigidity as far as possible inserts grounds 6, and the support of bearing 3 that this framework supporting is used for roller 2 and the guide rail 5 that is used for grinding attachment 1 and extra completely cuts off through cushion 7 relative grounds.
Yet, also can use the installation elements 8 of Active Compensation as replacement scheme.Also framework 4 can be set at this, however this frame rigidity ground be connected with ground 6 so that realize higher soil rigidity.In order to compensate the stroke excitation (Weganregung) that is derived from ground 6, grinding attachment 1 has own Active Compensation element 8 or actuator (visible like Fig. 2 B) then.
The support of bearing 3 of roller 2 must guarantee that roll axis can be used as the position of reference along the vertical and horizontal directions.According to the size and the size fluctuation thereof of roller to be processed 2, the support of bearing 3 advantageously can be at least one direction adjusted.The position that can adapt to the support of bearing 3 through the mobility of ground 6 that the support of bearing 3 is used for the roller 2 of different length relative to each other vertically and/or relatively; Wherein, can use the rail system (in the accompanying drawings be not shown specifically) parallel with the guide rail of grinding attachment 15.In addition, there is position of bearings 9 roller 2, continuously adjustable, perhaps has the bearing position 9a of at least two dispersions, 9b for two groups of roller diameters at the support of bearing that is used for the differential roller diameter 3.Under two kinds of situation,, the roll axis along continuous straight runs moves (being shown in shown in the side view) like Fig. 3 but being parallel to ground 6.The bearing position 9a that has two dispersions, the form of implementation of 9b is a kind of better simply scheme, and begins to regulate continuously bearing position 9 in the more applications field.
What also will guarantee is that roller 2 is positioned on the sustained height with the axis of the instrument 17 on working roll surface.This both can also can pass through the bearing position 9a of roller 2 on the support of bearing 3 through the controllability of instrument height, and 9b adjusting possibility vertically realizes.The integrated layout of roller driver that does not further illustrate in the accompanying drawings and structure thereof can be as realizing in traditional milling drum in known manner.
Because guide rail 5 is exigent precision when laying, so that when the working roll surface, guarantee the required precision of grinding process, therefore recommendable is that guide rail 5 is fixed on the ground 6 enduringly.Can consider various possibilities in order between guide rail 5 and ground 6, to connect, as in Fig. 4 A to 4C, illustrating with the side view of obvious signal respectively.
Schematically illustrate like Fig. 4 A, can guide rail 5 directly be tightened on the ground 6 in principle.This modification has minimum expense and comes preparation machine to lay the place, but because lower and realize the precision of hoping in the processing along track 5 towards the last precision that can realize.The another kind of modification of implementing can be designed as, and guide rail 5 is tightened on the support 10 in insertion ground 6 of difference.This form of implementation is visible by Fig. 4 B.At this, can prepare support 10 like this, make the syndeton that is used for guide rail 5 meet the demands.Yet the position of guide rail 5 can not enough accurately be confirmed at this each other.Therefore and from above-mentioned general consideration for ground 6, can draw shown in Fig. 4 C the third and be preferred form of implementation.Support 10 interconnects through above-mentioned framework 4 at this, therefore makes the geometric position of guide rail 5 confirm relative to each other.
The framework 4 of imbedding ground 6 is therefore as the Tables for machines of the simple types of guide rail 5, the geometric position of its regulation guide rail 5 and can also be used to improve rigidity according to its design.
The bearing 11 that is connected with guide rail 5 on vertical slide 15 grinding attachment 1, that below will describe in detail is as the movable part of grinding attachment 1 and the interface between the fixed part.The possible form of implementation of bearing 11 both can be that the slip form also can be the rolling form, and the form of wherein rolling all is preferred form of implementation in technology and economic aspect, because its salient point is high rigidity and precision and less operation expense.
Can consider two kinds of different forms of implementation equally for guide rail 5.Can under using, be designed to open guidance system on the one hand, also be known as fixing-floating support, in side view, schematically illustrate like Fig. 5 around the situation of rolling boots 12.At this, guide rail 5 and rigid bearing 12a acting in conjunction, another guide rail 5 and floating bearing 12b acting in conjunction.With the coefficient guide rail 5a of rigid bearing 12a this have trapezoidal, towards the cross section that the direction of grinding attachment 1 is shunk, on its side 13, engaging has two backing roll 12a, and floating bearing 12b only is arranged on the second guide rail 5b.
The advantage of the guidance system of this opening is can grinding attachment 1 movably be placed on the guide rail 5 with simple mode with having the expense of installation.In addition, relatively transverse to the sensitiveness of the geometric error of the direction of motion because floating bearing aspect and less.Shown open guiding can consider that also mandatory requirement is around engaging about the power of recommending that does not occur or only on little degree, occur.
On the other hand, however also can consider to use the bearing 11 that causes having around the closed system that engages.Thus also can be with respect to the stronger power of recommending supporting.But, aspect the tendency of the interface between the fixing and movable part of grinding attachment 1, this form of implementation has such shortcoming, that is, the bearing 11 of sealing can not be lifted.The bearing of sealing for example can be placed on the guide rail 5 through being installed on the substrate enduringly.For this reason, bearing 11 must be at each use location individualism with substrate.This is at least one cost factor; Yet also owing to the crossing location
of system the depth of parallelism of guide rail 5 is had high request, this causes the requirement of frame structure 4 is enhanced.
The error of traditional mechanical platform that is used to accept all parts of grinding attachment 1 also causes the lower geometric accuracy of guide rail 5 inevitably.This can be through using corresponding direct measuring method compensation.Except the error on the horizontal direction of direct formation, the roller 2 to be processed and the deviation of the upright position between the instrument 17 also cause the deviation of insert depth and therefore cause mismachining tolerance.Also therefore obtained the relative motion of along continuous straight runs between instrument 17 and the roller 2 according to the geometric accuracy of attainable guide rail 5 according to the basis of grinding attachment 1.In case vertical missing is influential to machining accuracy, then also must the compensation vertical missing.The sensitiveness of vertical relatively aspect deviation increases along with the diminishing of distance between axles between roller 2 and the instrument 17.
Appropriate fixed reference 14 is as the reference at foreprocess gauge roller 2, and the position of the K of world coordinates system that it limits through roll axis relatively is known and is constant.In an illustrated embodiment, reference target 14 is designed to the form of the wire 14 of tensioning, yet other object of reference 14 also can be arranged, like the measurement rail in the assigned position.The position of wire 14 confirms that through the calibration of carrying out by means of appropriate at least measurement mechanism this will be in following detailed description.
The measurement mechanism 16 that top vertical slide 15 of having addressed of grinding attachment 1 is following explanation and the support of instrument 17.At this, measurement mechanism 16 preferably all is arranged on the cross slide 18 with instrument 17, and this cross slide is arranged in again on vertical slide 15.Visible in the stereogram of two signals like Fig. 6, vertically be provided with guide rail-bearing arrangement 19 equally as coupling position between slide 15 and the cross slide 18.Vertically slide 15 moves along the bearing of trend of roll axis, that is moves along roller 2, and cross slide 18 can radially be regulated towards roller 2.Therefore, vertically the direction of motion of slide 15 is directed with the direction of motion of cross slide 18 ground that meets at right angles basically.
Make special embossing or surface configuration man-hour in order to add at roller, the also vertical relatively slide 15 of cross slide 18 supports pivotly.Instrument 17 relative cross slide 18 pivotable supportings also can realize this target.Grinding technique has determined the limit that pivots, so as for example abrasive grinding wheel not with edge join on roller 2, therefore ± 10 ° range of pivot is just enough approximately.
For cross slide 18, such guiding is favourable, and this guiding allows the bearer ring solderless wrapped connection to close guide rail (for the purpose of clear, further not illustrating in the accompanying drawings), because cross slide 18 will be protected with respect to the power of recommending owing to its less weight.Cross slide 18 can for good and all be arranged on vertical slide 15 at this and perhaps can take off for transportation.
Among the embodiment in the accompanying drawings, show abrasive grinding wheel for example as instrument 7.At this, the grinding device that now uses can be like the grinding stone of diameter as 300-900mm.This grinding stone fully known advantage of characteristic that possesses skills.Yet the big span of diameter requires the bigger moving range of cross slide 18.Can also use Ceramic Composite dish (CBN or diamond).This dish only has little wear range (5mm), and is therefore just enough for obviously littler scope of feeding.
In addition, cross slide 18 also can prepare to be used to accept the device (not being shown specifically in this embodiment) that is used for microstoning or honing.The driver of corresponding tool 17 can be arranged on vertical slide 15, on the cross slide 18 or be arranged in the outside.
In order to improve mechanical property, excitability especially in order to improve stability and to reduce to vibrate, vertically slide 15 must be designed to that quality is arranged as far as possible.This for example can fill out sand or water through in white space, pouring into mineral matter, inserts realizations such as weightening finish plate.
Two kinds of embodiment by the grinding attachment 1 of the present invention's structure obviously schematically have been shown in side view and vertical view respectively in Fig. 7 A to Fig. 7 B and Fig. 8 A to Fig. 8 B.This requirement be noted that the box structure of outer shape and sealing shown in being not limited to, the embodiment of square basic configuration basically, this only is a kind of simplification, this reduced form can illustrate the view of the important characteristic of the present invention.Can select other shape, for example improve the safety in operation for operating personnel through rounded edge, and select other structure, cell structure has for example for example been simplified being installed in the instrument 17 on vertical slide 15 or introducing the operation of weightening finish plate thus.
Yet; The grinding attachment 1 that illustrates for example attempts illustrating the big or small rank of each parts, because must consider that for example vertical slide 15 is free with the collision of vertical slide 15 with the collision free (Kollisionsfreiheit) and the instrument 17 on the roller surface of all diameters of work.At this corresponding pocket portion or groove 20 (for example referring to Fig. 8 A) can be set, so that however also realize compact structure and rigidity and appropriate center of gravity of locating that therefore assurance device is good.
The driver of grinding attachment 1 (for the purpose of clear, not illustrating in the accompanying drawings) can adopt various feasible drive schemes through corresponding adaptor parts.For along roller to be processed 2 length feeds, because long stroke, the rack and wheel driver is a kind of favourable enforcement modification.But also other drive scheme can be arranged, like ball-screw driver or straight line direct driver.This driver and being arranged on object to be driven thereof all are known on the principle, therefore can omit explanation at this.In order to drive cross slide 18, can use any principle drive scheme known, that produce the motion resolution
in required precision and the cutting-in motion equally.
Location and operating accurate guiding for cross slide 18 need the adjustment movement axis, and this axis of movement realizes that axially-movable (Z-feeding) and X-cutting-in radially comprise the required axis of movement of calibration that compensates the guide rail deviation and be used to pivot measurement mechanism 16.
As in Fig. 7 A, finding out well, cross slide 18 is according to the formal construction of rigid support.The driver of instrument 17 can be directly through motor drive shaft or indirectly through the transmission realization by means of belt.For accurate adjustment means 17, can be for the grinding axle that initiatively aligns, for example being provided with, form is the additional movement axle (referring to following) of the axle of piezoelectric actuator 21 or other micro machine.
In Fig. 7 A, Fig. 7 B, Fig. 8 A and Fig. 8 B, coordinate system K and K ' are used following expression way: in global coordinate system K, the z-direction indication is along roll axis, the radially cutting-in dead in line of x-direction and instrument 17, y-direction indication vertical direction.Corresponding in the K ' of local coordinate system with u (being equivalent to x), the direction that v (being equivalent to y) and w (being equivalent to z) expression is identical.In addition, the Reference numeral x that has the checkout gear 22 that is used for the vertical view left side
1, y
1, z
1X with the checkout gear 22 that is used for vertical view the right
r, y
r, z
r
In this embodiment, two checkout gears 22 or scanner 22, for example laser scanner detects with reference to wire 14 and makes it possible to combine tilt sensor 23 to confirm position and the direction of the local coordinate system K ' on the cross slides 18.Shown in Fig. 7 A, scanner 22 can be configured on the cross slide 18 at this, and is perhaps visible like Fig. 8 A, is arranged in vertical slide 15.For example can select arbitrarily according to standards such as operability, shielded devices.
In order to survey the surface of roller 2, require to measure detector 24 and have controllability, so that keep measured zone according to the current size of instrument 17 (being Grinding wheel in this embodiment) by measuring detector 24.This can realize in discrete step, does not change because in measuring process, do not need.Measurement mechanism 16 must or be known with respect to the locus of local system (K '), or can be confirmed by the current location of axis of movement.Mandatory requirement is measured vertical slide 15 of grinding attachment 1 accordingly.
In an illustrated embodiment, measurement mechanism 16 is as comprise two scanners 22 and a tilt sensor 23 saidly, and this tilt sensor is arranged on the cross slide 18 of grinding attachment 1.Can confirm position and the direction of the local coordinate system K ' on vertical slide 15 thus, measurement mechanism 16 is known with the position of instrument 17 in this coordinate system.Add the rated value that adapts to feed motion man-hour at roller 2 from the coordinate system K and the definite deviation of local coordinate system K ' of the overall situation.
Adopting usually, known measurement detector 24 carries out probing surface.This is used the measurement detector 24 of induction type usually, and this measurement detector has high accuracy (about 0.1 μ m) and is applicable to the surface that all are relevant.Shortcoming is its limited dynamic characteristic, therefore in some cases must be when measuring the rollers rotating speed.Then, comprehensive, continuous corresponding lasting long period of measurement.Can use laser measurement system as substituting, laser measurement system also can be measured the surface of minute surface reflection now.Laser measurement system is contactlessly worked and the about 0.2 micron precision of current same realization.Can omit at this and to be used to start the mechanical system of measuring detector 24, needn't travelling backwards when grinding because measure detector 24, this measurement detector 24 with induction type is different.
The measured value of system and the result of reference and measurement mechanism 16 fixing known positions provide roller a lip-deep measurement point, and this measurement point is represented with the radius of opposed roller axis.When roller 2 rotation, otherwise can vertical slide 15 along roller 2 continuously during axially-movable along helix setting measurement point, or when step motion, use repeatedly rotation for obtaining measurement point.It is precondition that roller 2 current positions, angle continue available signal.After the pair roller surface was measured fully, the result was combined into the surface description of a 3D landform.
Another task during working roll 2 is the radially vibropendulous error in the identification roller 2 supportings journal areas above that.If overcome all radially vibropendulous errors in the abrasive grinding wheel side, at dorsal part fluctuation also can appear in theory, and this fluctuation causes through the bearing position of roller 2 in axle journal.The direct measurement mechanism (further not illustrating in the accompanying drawings) of another measuring system (can be installed in the roller dorsal part) or axle journal can be set for this inspection.
In for method for grinding, carry out feeding by method for grinding prior art, that power is controlled based on reference with above-mentioned by grinding attachment 1 preferred how much guidings of the present invention differently.For this reason,, the grinding step carries out wireless the contact when beginning with roller 2.The supported value of confirming is like this confirmed the grinding profile.
At the profile that reaches hope through grinding (radially runout/profile/embossing) afterwards, can carry out other procedure of processing, like polishing.Usually process with the power controlled way at this.This is specially adapted to optional feature, like superfinishing equipment.Known dynamic driver is suitable for therewith in principle.
Required high-precision prerequisite is that vertically the geometrical relationship on the slide 15 is accurately known.This be particularly useful for dead-center position and the grinding axis of measurement mechanism 16 in local coordinate system K ' towards.Can realize confirming these values, yet, under any circumstance, before each new grinding process, all need accurately to confirm position with reference to wire 14, need the extra roller diameter of confirming on two axial locations to be fixed for this reason.
Be applicable to this situation like this, that is, wire fixture itself is constant because for example when roller 2 is inserted the support of bearing 3 geometry can change this variation and can influence grinding accuracy.
Especially can find out the multiple regulative mode of each parts referring to Fig. 7 A and Fig. 8 A.Represent the mobile route of adjusting device 25 through s, this adjusting device can be in the support of the value of being confirmed by tilt sensor 23 gradient of adjusting cross slide 18 down.This hopes, because the position of the roller 2 and the axis of instrument 17 is preferably placed on the identical height.
Through measure detector 24 controls, workpiece 17 moves through another adjusting device 26 along the radial feed of x-direction and realizes (referring to Fig. 7 B and 8B).For this reason, relative s
w(roller radius) adjusted measured value r constantly
wAnd u
d(measuring detector 24 distance surperficial) with roller.Piezoelectric actuator 21 driven tool 17 be can pass through, special profile and embossing made it possible to produce.
Whole flow process receives programme-control ground to carry out, monitor and assess.The adjusting of driver, the assessment of each sensor and safety precautions can be carried out through principle known traditional NC control or motion control.
About the precision that realizes; This precision is only confirmed through the geometric accuracy of grinding bed in traditional fixedly grinding attachment; What be worth expectation is; Through the support on measuring technique by means of reference and detection, but when working roll 2, realize same high precision, although the basis can be made easily and simply.
Claims (30)
1. one kind is used for the grinding attachment (1) that pair roller (2) carries out Surface Machining; Said roller is in particular for making and/or refining and/or processing web, and for example the roller of the machine of paper web, board web or tissue web (2) is characterized in that; Said grinding attachment (1) comprises the fixed part and the movable part that can be separated from each other; And said fixed part comprises guide rail (5), and said guide rail is arranged essentially parallel to the roll axis extension of roller to be processed (2) and is connected with ground (6).
2. grinding attachment as claimed in claim 1 is characterized in that, said guide rail (5) directly is connected with said ground (6).
3. grinding attachment as claimed in claim 1 is characterized in that, said guide rail (5) is connected with support (10) in imbedding ground.
4. grinding attachment as claimed in claim 1 is characterized in that, said guide rail (5) is connected with framework (4) in imbedding ground.
5. like the described grinding attachment of one of claim 1 to 4, it is characterized in that roller to be ground (2) can be arranged on the support of bearing (3) that is connected with said ground (6).
6. grinding attachment as claimed in claim 6; It is characterized in that, be the vibrational excitation that the passive spacer assembly of the buffer element of cushion (7) and/or spring element form suppresses ground (6) in the ground (6) and the support of bearing (3) and/or the form that between ground (6) and guide rail (5), is provided with.
7. grinding attachment as claimed in claim 5 is characterized in that, the said support of bearing (3) and/or said guide rail (5) have the device that is used for initiatively taking off with ground (6) coupling, and this device is the form that can control with adjustable actuator (8).
8. like the described grinding attachment of one of claim 5 to 7, it is characterized in that bearing position (9a, but 9b) level and/or vertically adjusting of said roller (2) in the said support of bearing (3).
9. like the described grinding attachment of one of claim 1 to 8; It is characterized in that; The movable part of said grinding attachment (1) is included on the said guide rail (5) vertical slide (15) of guiding movably, and this vertical slide can move or be slidably disposed along the bearing of trend (z) of the roll axis of roller to be processed (2).
10. grinding attachment as claimed in claim 9 is characterized in that, said vertical slide (15) has and the coefficient bearing of said guide rail (5) (11).
11. grinding attachment as claimed in claim 10 is characterized in that, said bearing (11) has in formation that (12,12a is designed to sliding bearing or rolling bearing under the situation of fixing-floating bearing structure 12b) around rolling boots.
12. like the described grinding attachment of one of claim 9 to 11; It is characterized in that; Upward arrange cross slide (18) at said vertical slide (15) with mode removable or that slide; Wherein, the direction of motion (x) of said cross slide (18) direction of motion orientation (z) that is substantially perpendicular to said vertical slide (15).
13. grinding attachment as claimed in claim 12 is characterized in that, said cross slide (18) can be relatively vertical slide (15) level and/or vertically pivot.
14., it is characterized in that like claim 12 or 13 described grinding attachments, between said vertical slide (15) and said cross slide (18), be configured with guide rail-bearing arrangement (19), wherein, bearing is especially around engagement with rail.
15., it is characterized in that said cross slide (18) is fixed or removably is arranged on said vertical slide (15) like the described grinding attachment of one of claim 12 to 14.
16. like the described grinding attachment of one of claim 12 to 15, it is characterized in that, at said cross slide (18) but go up placement tool (17), especially abrasive grinding wheel, abrasive belt grinding device, grooved means, superfinishing equipment or grinding equipment.
17. grinding attachment as claimed in claim 16 is characterized in that, said instrument (17) can receive how much control ground operations.
18., it is characterized in that said grinding attachment (1) has measurement mechanism (16) like the described grinding attachment of one of claim 1 to 17, can confirm the position of the roller (2) that said grinding attachment (1) is to be processed relatively through this measurement mechanism.
19. grinding attachment as claimed in claim 18 is characterized in that, said measurement mechanism (16) comprises at least two checkout gears (22) that are used for object of reference (14).
20. grinding attachment as claimed in claim 19 is characterized in that, said checkout gear (22) is designed to the form of scanner (22), especially laser scanner.
21. like claim 19 or 20 described grinding attachments; It is characterized in that; Said object of reference (14) is designed to the form of the wire (14) of tensioning, and this wire (14) is arranged essentially parallel to the roll axis layout of roller to be processed (2) and becomes geometrical relationship that confirm, constant with this roll axis.
22. grinding attachment as claimed in claim 21 is characterized in that, arranges said wire (14) like this, makes this wire to detect through said scanner (22).
23., it is characterized in that said scanner (22) is arranged on said vertical slide (15) or the said cross slide (18) like claim 21 or 22 described grinding attachments.
24. like the described grinding attachment of one of claim 18 to 23; It is characterized in that; Said measurement mechanism (16) comprises at least one tilt sensor (23), and this tilt sensor is arranged in cross slide (18) upward and through this tilt sensor can detect said cross slide (18) gradient of ground (6) relatively.
25. like the described grinding attachment of one of claim 18 to 24; It is characterized in that; Said measurement mechanism (16) has at least one and measures detector (24), and this measurement detector arrangement goes up and can survey roller surface to be processed and/or measure said grinding attachment (1) and the distance of roll axis through this detector at cross slide (18).
26. grinding attachment as claimed in claim 25; It is characterized in that; At least one is set, and another measures detector; This another measure detector and measure the dorsal part that detector (24) is arranged in roller (2) about roll axis said relatively first, but measure the radially vibropendulous error on the bearing position of detector measuring roll (2) through this another.
27. like the described grinding attachment of one of claim 18 to 26; It is characterized in that; Said scanner (22), tilt sensor (23), the measured value that at least one measures detector (24) can be transported to measurement mechanism (16), with by means of adjusting device (21,25; 26) position of control and adjustment means (17), this adjusting device especially is designed to the form of piezoelectric actuator.
28. grinding attachment as claimed in claim 27 is characterized in that, said instrument (17) through at least one adjusting device (21) about said roll axis by pivot in direction (x) and (z) the predetermined plane.
29. like claim 27 or 28 described grinding attachments, it is characterized in that, said instrument (17) through at least one adjusting device (25) about said roll axis by pivot in direction (x) and (y) the predetermined plane.
30., it is characterized in that said instrument (17) can be regulated through the said relatively roll axis of at least one adjusting device (26) like the described grinding attachment of one of claim 27 to 29.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009003140.5 | 2009-05-15 | ||
| DE102009003140A DE102009003140A1 (en) | 2009-05-15 | 2009-05-15 | Grinding device for rolls |
| PCT/EP2010/055156 WO2010130531A1 (en) | 2009-05-15 | 2010-04-20 | Grinding device for rolls having stationary guide rails and mobile grinding unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102458758A true CN102458758A (en) | 2012-05-16 |
Family
ID=42315902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800317242A Pending CN102458758A (en) | 2009-05-15 | 2010-04-20 | Grinding device for rolls having stationary guide rails and mobile grinding unit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120122374A1 (en) |
| EP (1) | EP2429760A1 (en) |
| CN (1) | CN102458758A (en) |
| CA (1) | CA2761841A1 (en) |
| DE (1) | DE102009003140A1 (en) |
| WO (1) | WO2010130531A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264326A (en) * | 2013-06-09 | 2013-08-28 | 无锡立达纺织机械器材有限公司 | Grinding device of licker-in grinding and covering machine |
| CN105150036A (en) * | 2015-10-09 | 2015-12-16 | 河北工业大学 | Grinding wheel frame moving type battery pole piece roll grinding machine |
| CN106271955A (en) * | 2016-08-30 | 2017-01-04 | 江苏同庆车辆配件有限公司 | A kind of annular workpieces lapping device in railway freight-car |
| CN113263439A (en) * | 2021-06-07 | 2021-08-17 | 厦门大学 | Intelligent carrying tool for large-caliber optical elements |
| CN113601346A (en) * | 2021-09-06 | 2021-11-05 | 东莞兆泰机械设备有限公司 | On-line polishing equipment for roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103537961B (en) * | 2013-09-26 | 2016-06-29 | 青岛云路先进材料技术有限公司 | Roll surface treatment device for crystallizer |
| DE102014019481A1 (en) * | 2014-12-21 | 2016-06-23 | Icm - Institut Chemnitzer Maschinen- Und Anlagenbau E.V. | Device for finishing a non-rotating tube |
| US10052735B2 (en) * | 2015-06-24 | 2018-08-21 | Apko Technology, Inc. | In situ grinding apparatus for resurfacing rubber belts and rollers |
| CN106217177B (en) * | 2016-08-25 | 2018-06-05 | 东莞市华邦精密模具有限公司 | A kind of mold mosaic block sanding apparatus |
| CN110000639A (en) * | 2019-04-26 | 2019-07-12 | 合肥工业大学 | A kind of roller diameter based on roll grinder and taper on-position measure device and measurement method |
| DE102021001408A1 (en) | 2021-03-17 | 2022-09-22 | Kemal Arslan | grinding mount |
| DE202021001002U1 (en) | 2021-03-17 | 2021-09-30 | Kemal Arslan | Grinding holder |
| CN113787387B (en) * | 2021-08-31 | 2022-08-26 | 常州大学 | Spinning machine rubber roll surface grinding and repairing device |
| CN116021354B (en) * | 2023-02-21 | 2023-06-23 | 长沙迈科轴承有限公司 | Bearing protruding grinding machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103264326A (en) * | 2013-06-09 | 2013-08-28 | 无锡立达纺织机械器材有限公司 | Grinding device of licker-in grinding and covering machine |
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| CN113263439A (en) * | 2021-06-07 | 2021-08-17 | 厦门大学 | Intelligent carrying tool for large-caliber optical elements |
| CN113601346A (en) * | 2021-09-06 | 2021-11-05 | 东莞兆泰机械设备有限公司 | On-line polishing equipment for roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2761841A1 (en) | 2010-11-18 |
| WO2010130531A1 (en) | 2010-11-18 |
| DE102009003140A1 (en) | 2010-11-18 |
| US20120122374A1 (en) | 2012-05-17 |
| EP2429760A1 (en) | 2012-03-21 |
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Application publication date: 20120516 |