CN106695579B - A kind of super hard abrasive emery wheel - Google Patents
A kind of super hard abrasive emery wheel Download PDFInfo
- Publication number
- CN106695579B CN106695579B CN201611190315.2A CN201611190315A CN106695579B CN 106695579 B CN106695579 B CN 106695579B CN 201611190315 A CN201611190315 A CN 201611190315A CN 106695579 B CN106695579 B CN 106695579B
- Authority
- CN
- China
- Prior art keywords
- emery wheel
- retainer ring
- super hard
- hard abrasive
- locking nub
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/16—Bushings; Mountings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of super hard abrasive emery wheel, including locking nub, retainer ring, resilient support disk, rigid enclosure, wherein, the locking nub includes some pieces, the surface soldering super hard abrasive of each piece of locking nub；Retainer ring is machined into using high strength steel, and the circumferential inner surface of retainer ring is connected with resilient support disk, is removably fixedly connected between the circumferential exterior surface of retainer ring and some pieces of locking nubs；The central hole interference fit for flexibly supporting disk connects the rigid enclosure outer wall, and rigid enclosure inwall is connected with lathe rotating shaft.A kind of super hard abrasive emery wheel of the present invention, metal can be efficiently applied to and in nonmetallic grinding, with small vibration, low to emery wheel lathe power requirement, beneficial to soldering preparation, cost is low, fast changeable, is advantageous to batch production and application.
Description
Technical field
A kind of super hard abrasive emery wheel, belong to super hard abrasive instrument manufacturing field.
Background technology
Soldering super-abrasive grinding wheel can be used for the materials such as grey cast-iron, spheroidal graphite cast-iron, plastics, nylon, rubber, stone material, steel
The surface grinding of material.The grinding of usual above-mentioned material uses Conventional abrasives more（Corundum wheel or carborundum）Emery wheel, profit
It is installed on when resinoid bond or vitrified bond hot pressing consolidation preparation, use beneficial to Internal hole positioning on abrasive machine.Due to pricker
Weldering super hard abrasive instrument relative to corundum wheel and plating super-abrasive grinding wheel there is abrasive material to hold intensity height, abrasive material exposure
Height, grinding is sharp, the advantages that radiating efficiency is high, and abrasive material is difficult for drop-off, and no dust is vaporized, the mill applied to above-mentioned material field
It is whittled into as preferably selection.
But for soldering emery wheel, mostly one-piece base body, then soldering super hard abrasive preparation.The superhard emery wheel of current soldering
Problems be present in the surface grinding applied to materials such as grey cast-iron, spheroidal graphite cast-iron, plastics, nylon, rubber, stone material, steels：
（1）Due to super hard abrasive solder could be prepared in steel matrix by high-temperature heating, therefore the base of soldering emery wheel
The internal stress of body is not easy to discharge, and certain deformation easily be present in welding, for discoid grinding wheel base body,
Deformation is not only present in circumferencial direction, is also present in disk direction.Machining accuracy during this deformation effect emery wheel rapidoprint
（The accuracies of form and position such as circularity, flatness, rotating accuracy）, it is unfavorable for installing.And this precision is difficult to be adjusted by dynamic balancing.If
Unreasonable installation and use, easily cause certain danger.
（2）Abrasive wheel substrate is mostly steel matrix, and quality is big, most weight of emery wheel instrument is occupied, to plant capacity
It is it is required that higher.Conventional emery wheel is corundum wheel, its density about 2.5 ~ 3g/cm3Left and right, far below 7.9 g/cm of steel3.Therefore
The plant capacity for matching the lathe of conventional emery wheel does not reach adaptation soldering super hard abrasive emery wheel requirement, to soldering super hard abrasive emery wheel
Application have considerable influence.And steel matrix surface by processing lightening hole, material removes etc., and mode can get up partial action, but
Because the density of steel is about 2.5 ~ 3 times of emery wheel density, it can not fundamentally mitigate the weight of emery wheel, and the material that loss of weight removes
The more, loss of weight hole number is bigger with aperture, higher to the rigid requirements of emery wheel for material, add test and the difficulty of l-G simulation test and
Number, it is unfavorable for the control and product development of cost.
（3）When emery wheel specification is larger, such as more than external diameter 300mm, the progress soldering of soldering super hard abrasive emery wheel is added completely
Heat, higher to vacuum brazing furnace space requirement, width, could be preferably at least above more than 400mm between vacuum drying oven effective heating area
Ground carries out heating soldering, and vacuum furnace inner space is limited, heat time length, if single furnaceman's part is less, to be unfavorable for improving production
Efficiency, and largely effect on the production cost of super hard abrasive emery wheel.
（4）Because Conventional abrasives emery wheel is using the preparation of hot pressing consolidation technique, bonding agent is mostly resin or vitrified bond, is ground
Emery wheel has certain elasticity when cutting, and can reduce impact rigidity of the emery wheel to workpiece surface, the vibration one of emery wheel when making grinding
Determine degree reduction.And soldering super-abrasive grinding wheel is because matrix is steel, the firm soldering of super hard abrasive, with workpiece surface Grinding Contact
When be rigid contact, the out-of-flatness of workpiece surface is easily conducted to lathe, cause grinding vibrate, influence to be ground.Additionally due to just
Property grinding, easily superabrasive surface landforms are resulted in blockage when the amount of feeding is big, although super hard abrasive radiating efficiency is high, chip removal
It is good, but because abrasive material is not fallen off, abrasive dust caused by moment is possible to block part region surface, causes temperatures at localized regions drastically
Rise, be damaged abrasive material high temperature oxidation herein, grinding workpiece surface causes grinding burn.In this case, soldering superhard abrasive
The grinding life-span of material emery wheel can not be guaranteed, and increase unpredictability.
Corresponding with soldering super hard abrasive emery wheel is plating super hard abrasive emery wheel, because electroplating technology is without being heated at high temperature,
The stress of matrix is small, can be by by matrix material partial replacement, and overall plating reaches higher assembly precision and efficiency,
And soldering super hard abrasive emery wheel is then difficult to reach this effect.But from application efficiency with cost performance, soldering super hard abrasive mill
Take turns its grinding performance and be better than electroplating technology.Emery wheel using soldering super hard abrasive technique is more advantageous.
Patent（CN200710132643- super-abrasive grinding wheels）By the way that the grinding area of emery wheel is used into multi-block type system
Standby, grinding wheel base body does not have into stove heat, and this mode causes soldering heating part to reduce, and is advantageous to soldering preparation, but in order to ensure
It is complicated radially with the fixation of circumference, and without loss of weight measure, be not suitable for being applied to replace Conventional abrasives emery wheel superhard with electroplating
Abrasive grinding wheel.
Patent（A kind of combined type brazing super-abrasive grinding wheel matrixes suitable for superhigh speed grinding of CN201010514158）
Also a kind of knockdown grinding wheel base body has been invented, this matrix fixes locking nub emery wheel locking nub beneficial to two covering plate structures, and utilizes
Screw thread compresses.Designed locking nub is complicated, and dimension precision requirement is higher, therefore suitable for superhigh speed grinding processing, for
Conventional wheel grinding can not be substituted effectively.
Therefore to be preferably beneficial to the advantage of soldering processes, replacement Conventional abrasives emery wheel and plating super-abrasive grinding wheel,
Need a kind of new wheel structure, by wheel structure is simple, light weight, be easy to soldering heating, grinding efficiency height is not easy to burn
Some is organically combined.Effective application of emery wheel involved in the present invention, it can not only reduce dust, gas caused by conventional emery wheel
Body pollution and grinding efficiency, production efficiency can be improved, the upgrading and green processing for being advantageous to national equipment manufacture are sent out
Exhibition.
The content of the invention
For above-mentioned technical problem, the present invention proposes a kind of super hard abrasive emery wheel, can be efficiently applied to metal with it is nonmetallic
Grinding in, it is with small vibration, it is low to emery wheel lathe power requirement, beneficial to soldering prepare, cost is low, fast changeable, favorably
In batch production and application.
In order to realize above-mentioned technical purpose, the present invention adopts the following technical scheme that：
A kind of super hard abrasive emery wheel, including retainer ring, resilient support disk, locking nub and rigid enclosure, wherein, the fixation
The circumferential inner surface of ring is connected with resilient support disk, and the circumferential exterior surface of retainer ring is evenly equipped with some pieces of locking nubs, every piece of locking nub
Outer surface soldering super hard abrasive, inner surface is detachably connected by attachment structure and between retainer ring；Flexibly support disk
The outer wall of central hole interference fit connection rigid enclosure, inwall and the lathe rotating shaft of rigid enclosure are connected.
The outer surface of the retainer ring is provided with convex shoulder with threaded hole, and the locking nub is provided with mutually chimeric with the convex shoulder
Groove, be arranged with screwed hole on two cell walls of groove, bolt fastener sequentially passes through the screw thread on locking nub groove cell wall
Locking nub is mutually fixed with retainer ring after screwed hole on hole and convex shoulder.
The outer surface of the retainer ring is provided with groove with threaded hole, and the locking nub is provided with mutually chimeric with the groove
Projection, projection are provided with screwed hole, and bolt fastener is sequentially passed through in screwed hole and locking nub projection on fixed ring groove
Retainer ring is mutually fixed with locking nub after screwed hole.
Hard skeleton is provided with the resilient support disk, circumferencial direction of the hard skeleton along resilient support disk is uniform simultaneously
And it is consolidated into an entirety with resilient support disk.
For the quantity of the locking nub between D/25 ~ D/10, locking nub is highly 6mm ~ 25mm, wherein, D is the external diameter of emery wheel.
Connected between the resilient support disk and retainer ring using resin solidification bonding, binding agent bonding, interference fit, welding
Connect or structure connects.
The density of material scope of the resilient support disk is between 0.5 ~ 3.0g/cm3, using single material or various material
It is combined.
The retainer ring uses tensile strength ＞ 1200MPa high-strength steel making.
A kind of beneficial effect of super hard abrasive emery wheel of the present invention：
Firstth, a kind of soldering super hard abrasive emery wheel, including some pieces of locking nubs are invented, soldering super hard abrasive in every piece of locking nub,
The preparation of locking nub is that solder and super hard abrasive are placed in into locking nub surface to be welded, is heated, melts solder, Gu
Super hard abrasive and locking nub matrix are tied, becomes an entirety, because locking nub size is relatively small, is easy to soldering and prepares and add
Heat.
Secondth, retainer ring is prepared using high strength steel processing, and high strength steel has higher rigidity and hardness, it is ensured that Gu
Determine precision and other morpheme size of the ring in circumferencial direction.
3rd, mill has been greatly reduced using elastomeric material in installation resilient support disk inside retainer ring, resilient support disk
Quality is taken turns, and due to using elastomeric material, relative to while emery wheel shock resistance is preferable made of rigid material, flexibly supporting
Center hole uses rigid enclosure, ensures central hole size and assembly precision.
Brief description of the drawings
Fig. 1 is the abrasive wheel substrate structural representation of the embodiment of the present invention 1；
Wherein, 1- rigid enclosures 2- hard skeletons 3- elastomeric materials；The shouldered retainer rings of 4-；
Fig. 2 is locking nub structural representation in embodiment 1；
Wherein 5- solderings super hard abrasive locking nub；6- screwed holes；
Fig. 3 is Fig. 2 A-A faces sectional view；
Fig. 4 is the structural representation of the abrasive wheel substrate of embodiment 2；
Fig. 5 is locking nub structural representation in embodiment 2；
Fig. 6 is Fig. 4 A-A faces sectional view；
Wherein, 9- retainer rings with groove.
Embodiment
A kind of super hard abrasive emery wheel of the present invention, machine spindle speed used in described emery wheel 1300rpm ~ 7800rpm it
Between, the linear velocity of described emery wheel is not higher than 120m/s.
A kind of super hard abrasive emery wheel, including locking nub, retainer ring, resilient support disk, rigid enclosure, wherein, the locking nub includes
Some pieces, the surface soldering super hard abrasive of each piece of locking nub, for grinding.Retainer ring using high strength steel machine and
Into the circumferential inner surface of retainer ring is connected with resilient support disk, removable between the circumferential exterior surface of retainer ring and some pieces of locking nubs
That unloads is fixedly connected；The central hole interference fit for flexibly supporting disk connects the rigid enclosure outer wall, rigid enclosure inwall and lathe
Rotating shaft is connected.
Described elastomeric material density is in 0.5 ~ 3.0g/cm3Elastomeric material can be a kind of single material, can also be
Various material is combined.
Detachable connection is used between the retainer ring and locking nub, described removably can be by locking nub with consolidating
Determine ring dismounting separation, locking nub can individually carry out soldering heating.
The connection of described retainer ring Yu soldering super hard abrasive locking nub also has various ways, because emery wheel is mostly circumferential mill
Cut, perpendicular to the lateral stressed smaller of emery wheel disk direction, ensure that transverse shifting is not present in the retainer ring of emery wheel.Purpose
It is that within 0.05mm, retainer ring upper surface directly contacts installation accuracy control with soldering locking nub, and protects after ensureing locking nub installation
Hold and combine closely, when retainer ring is connected with locking nub, screw rod accurate dimension coordinates, and tolerance is small, and termination uses screw thread, ensures to coordinate.
The mode specifically taken in the present invention has following several ways：
The connection embodiment 1 of retainer ring and soldering super hard abrasive locking nub
The outer surface of the retainer ring is provided with convex shoulder with threaded hole, and the locking nub is provided with mutually chimeric with the convex shoulder
Groove, be arranged with screwed hole on two cell walls of groove, be fastened by bolts part and mutually fix the retainer ring with locking nub.
The connection embodiment 2 of retainer ring and soldering super hard abrasive locking nub
The outer surface of the retainer ring is provided with groove with threaded hole, and the locking nub is provided with mutually chimeric with the groove
Projection, screwed hole is equipped with groove cell wall and projection, and bolt fastener is convex through the fixed ring groove cell wall and locking nub
Retainer ring is mutually fixed with locking nub after the screwed hole risen.
The connection embodiment 3 of retainer ring and soldering super hard abrasive locking nub
The outer surface of the retainer ring is provided with groove, and the locking nub is embedded in the groove in the retainer ring, and
The super hard abrasive on locking nub surface is higher by fixed ring outer surface；Also include buckle, the buckle is by between the locking nub and retainer ring
It is threadedly coupled after fixation between the retainer ring.
The connected mode of locking nub and retainer ring includes but is not limited to buckle-type, slide rail type, inlays fastening-type in the present invention,
Retainer ring is process for high strength steel, and the accuracy of form and position is high, ensure that rotating accuracy and circularity.
It is resilient support disk inside retainer ring, is filled with elastomeric material, elastomeric material includes but is not limited to rubber, Buddhist nun
Dragon, carbon fiber, compound carbon fibre material, foam metal material.Elastomeric material center can have hard skeleton support.Elastomeric material
Central hole installs rigid enclosure, to coordinate with installation axle.
Described super hard abrasive includes diamond, cubic boron nitride, polycrystalline diamond, polycrystalline cubic boron nitride, hard
Matter alloying pellet.
Described super hard abrasive granularity average grain diameter is between 0.05mm ~ 2.5mm.
Further, as an a kind of optimal technical scheme of super hard abrasive emery wheel of the present invention, described wheel designations
Between 150 ~ 700mm, emery wheel polishing width 6mm ~ 120mm.
Further, exist as an a kind of optimal technical scheme of super hard abrasive emery wheel of the present invention, the locking nub number
Between D/25 ~ D/10, locking nub height 6mm ~ 25mm, wherein, D is the external diameter of emery wheel.
Further, as an a kind of optimal technical scheme of super hard abrasive emery wheel of the present invention, described hard skeleton
The circle external diameter of composition is smaller 5 ~ 25mm. than elastomeric material disk external disk
Further, as an a kind of optimal technical scheme of super hard abrasive emery wheel of the present invention, described locking nub is with consolidating
The fit clearance of ring is determined within 0.05mm.
Further, as a kind of optimal technical scheme of super hard abrasive emery wheel of the present invention, described retainer ring with bullet
Property material connect through resin solidification bonding, binding agent bonding, be interference fitted, be welded to connect, structure connection etc. various ways,
The purpose is to prevent the radial separation between elastomeric material and retainer ring and the axial separation perpendicular to elastomeric material disc face.
It is interference fit between described rigid enclosure and elastomeric material centre bore, rigid enclosure can be closed circular, also may be used
Think open annular.
The following detailed description of the assembly method of disassembling soldering locking nub emery wheel：
（1）According to processing request and grinding parameter, suitable elastomeric material and hard skeleton are selected, hard skeleton is along circle
The uniform rigid material of circumferential direction, main function are similar to improve elastomeric material in the certain rigidity of circumferencial direction, its principle
The wheel hub of automobile.Hard skeleton is consolidated into an entirety with elastomeric material, prepares resilient support disk.
（2）Flexibly support and rigid enclosure is installed at center hole, rigid enclosure is coordinated with elastomeric material using elastic conjunction.Rigidity
It is consistent with Installing machine tool axle outside dimension to cover hole size, can be used with proper engagement.
（3）The circumferencial direction and retainer ring for flexibly supporting disk coordinate, can direct mistake in the case where installation requirement is not high
It is full of cooperation.In the case of installation requirement height can use binding agent bond, or prepare flexibly support disk when, with elastomeric material,
Hard skeleton consolidates preparation together, improves bond strength.Certainly when together prepared by consolidation, fixed ring inner surface can pass through peace
Fill the bonding strength that the structures such as bearing pin, spline improve and flexibly support disk.
（4）Retainer ring is prepared using high strength steel processing, and high strength steel has higher rigidity and hardness, it is ensured that fixed
Precision and other morpheme size of the ring in circumferencial direction.After fixed ring inner surface is connected with resilient support disk, outer surface can be with pricker
Weld the locking nub connection of super hard abrasive.
（5）The preparation of soldering super hard abrasive locking nub is that solder and super hard abrasive are placed in locking nub surface to be welded by profit,
Heated, melt solder, consolidation super hard abrasive and locking nub matrix, an entirety is become, due to locking nub size
It is relatively small, it is easy to soldering and prepares and heat.Used distributing technique, either coating soldering paste, cloth spills super hard abrasive again, also
It is to mix super hard abrasive with solder, as long as can be by the firm Welding of super hard abrasive in locking nub matrix surface,
It is regarded as within the scope of application claims.
（6）The dimensional accuracy on circumferencial direction is ensure that due to retainer ring, the super hard abrasive locking nub circumference after soldering is installed
Precision is also guaranteed, and is ground so as to ensure that super-abrasive grinding wheel is stable.Because emery wheel involved in the present invention is used for one
As speed wheel grinding, in the case where ensure that assembly precision, completely can to Conventional abrasives emery wheel and plating it is superhard
Abrasive grinding wheel is replaced.
Claims (6)
- A kind of 1. super hard abrasive emery wheel, it is characterised in that including retainer ring, resilient support disk, locking nub and rigid enclosure, wherein, The circumferential inner surface of the retainer ring is connected with resilient support disk, and the circumferential exterior surface of retainer ring is evenly equipped with some pieces of locking nubs, The outer surface soldering super hard abrasive of every piece of locking nub, inner surface between attachment structure and retainer ring by being detachably connected；Elasticity branch The outer wall of the central hole interference fit connection rigid enclosure of support plate, inwall and the lathe rotating shaft of rigid enclosure are connected；The outer surface of the retainer ring is provided with convex shoulder/groove with threaded hole, and the locking nub is provided with and the convex shoulder/groove Mutually chimeric groove/land, is arranged with screwed hole on two cell walls of groove, bolt fastener sequentially pass through locking nub groove/ Locking nub is mutually fixed with retainer ring after screwed hole on fixed ring groove cell wall and the screwed hole in convex shoulder/projection.
- 2. super hard abrasive emery wheel according to claim 1, it is characterised in that be provided with hard bone in the resilient support disk Frame, circumferencial direction of the hard skeleton along resilient support disk is uniform and is consolidated into an entirety with resilient support disk.
- 3. super hard abrasive emery wheel according to claim 1, it is characterised in that the quantity of the locking nub D/25 ~ D/10 it Between, locking nub is highly 6mm ~ 25mm, wherein, D is the external diameter of emery wheel.
- 4. super hard abrasive emery wheel according to claim 1, it is characterised in that adopted between the resilient support disk and retainer ring With resin solidification bonding, binding agent is cohesive, be interference fitted, be welded to connect or structure connects.
- 5. super hard abrasive emery wheel according to claim 1, it is characterised in that the density of material scope of the resilient support disk Between 0.5 ~ 3.0g/cm3, it is combined using single material or various material.
- 6. super hard abrasive emery wheel according to claim 1, it is characterised in that the retainer ring uses tensile strength ＞ 1200MPa high-strength steel making.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611190315.2A CN106695579B (en) | 2016-12-21 | 2016-12-21 | A kind of super hard abrasive emery wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611190315.2A CN106695579B (en) | 2016-12-21 | 2016-12-21 | A kind of super hard abrasive emery wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106695579A CN106695579A (en) | 2017-05-24 |
| CN106695579B true CN106695579B (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611190315.2A Expired - Fee Related CN106695579B (en) | 2016-12-21 | 2016-12-21 | A kind of super hard abrasive emery wheel |
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| CN (1) | CN106695579B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789181A (en) * | 2018-09-05 | 2018-11-13 | 沈阳中方砂轮有限公司 | Hand-held type diamond-impregnated wheel with shock-absorbing function |
| CN110774180A (en) * | 2019-11-18 | 2020-02-11 | 杨金全 | Reusable silicon wafer chamfering and edging grinding wheel and manufacturing method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVI20050036A1 (en) * | 2005-02-10 | 2006-08-11 | Silvano Benvenuti | BLADES AND DIAMOND CUTTING BLADES |
| CN100522490C (en) * | 2007-09-18 | 2009-08-05 | 南京航空航天大学 | Super hard abrasive grinding wheel |
| JP5332597B2 (en) * | 2008-12-25 | 2013-11-06 | 株式会社ジェイテクト | Grinding wheel |
| CN102581782B (en) * | 2012-03-08 | 2014-04-16 | 宁波大学 | Electroplated diamond grinding wheel capable of being recycled easily |
| CN204149046U (en) * | 2014-06-26 | 2015-02-11 | 中南钻石有限公司 | A kind of dicyclo metallic bond composite sheet buffing wheel |
| CN204183427U (en) * | 2014-10-27 | 2015-03-04 | 广东奔朗新材料股份有限公司 | Chamfering grinding wheel structure |
| CN104816258A (en) * | 2015-05-29 | 2015-08-05 | 广州金谷钻石工具有限公司 | Steel-plastic-coated diamond edging wheel |
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