CN1615206A - Grinding member for buttons on rock drill bit - Google Patents
Grinding member for buttons on rock drill bit Download PDFInfo
- Publication number
- CN1615206A CN1615206A CNA028273478A CN02827347A CN1615206A CN 1615206 A CN1615206 A CN 1615206A CN A028273478 A CNA028273478 A CN A028273478A CN 02827347 A CN02827347 A CN 02827347A CN 1615206 A CN1615206 A CN 1615206A
- Authority
- CN
- China
- Prior art keywords
- connector
- abrasive article
- grinding
- driving
- driving shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/18—Wheels of special form
-
- 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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
- B24B3/33—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of drills for stone
-
- 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
- B24B45/00—Means for securing grinding wheels on rotary arbors
Abstract
The present invention provides a grinding member ( 2 ) or connection to a drive connection member ( 3 ) to form a grinding cup for grinding the hard metal inserts or working tips of drill bits (percussive or rotary), tunnel boring machine cutters (TBM) and raised bore machine cutters (RBM) to restore them to substantially their original profile, said grinding member having: a. a grinding section ( 4 ) having top ( 8 ) and bottom surfaces ( 9 ), a centrally disposed convex recess ( 7 ) formed in the bottom surface of said grinding section having the desired profile to be ground; b. a support section adjacent the top surface of said grinding section; c. means ( 13 ) to connect the grinding member to the drive connection member wherein the grinding member can be disconnected from the drive connection member when it becomes worn.
Description
Technical field
The present invention relates to improve working head, rock tunnel(ling) machine (TBM as grinding cup that grinds the carbide alloy inserts or drill bit (impacting or rotation), tunnel boring machine) cutter, rise hole machine (RBM, raised bore machine) device of cutter, and more specifically, but not exclusive, be used to grind the tungsten carbide cutting teeth or the cutter head of the outside or cutter.
Background technology
In probing work, the cutting teeth on drill bit or the cutter (cutter head) after using continuously, flatten (wearing and tearing).The regular maintenance of drill bit or cutter is to make them return to its original profile by grinding (sharpening) cutter head again, and this has prolonged the life-span of bit/cutter, has quickened probing and has reduced drilling cost.The best 1/3 that reaches tool bit diameter when the wearing and tearing of cutter head, need be ground 1/2 the time again to maximum.
For grinding cutter head, bit/cutter, dissimilar manual or semi-automatic grinders is known (referring to, for example, United States Patent (USP) 5193312,5070654).In the machinery of traditional type, grinding cup with required profile normally 15000 arrives 25000RPM with rotation at a high speed, grinds the surface that carbide bit and bit/cutter are surrounded the cutter head bottom, make cutter head return to its original profile fully, so that probing efficiently.
Traditionally, grind cup and comprise cylinder body with top and bottom surface.Bottom surface or working face comprise diamond/metal matrix, have the depression of center epirelief, and depression has is ground the required profile of cutter head.Edge around the depression for example by cutting sth. askew, can be suitable for removing steel from the bit face of cutter head bottom periphery.
Water and/or air, and the cutting oil that can select some form are fed to lapped face in process of lapping, be used for flushing and cooling knife head surface.
Grind cup and be of different sizes and profile, so that the standard size and the profile of the cutter head on coupling drill bit or the cutter.Usually, tool bit diameter changes to 26mm from 6mm.
To grind the cup connection and several diverse ways will be arranged on grinder.Traditionally, be to grind in the chuck that outstanding vertical hollow handle on the cup end face inserts erecting tools removably with grinding that cup is clamped on the grinder.Insert in the chuck in order to grind cup, remain in the chuck and from chuck and unload, need special instrument, for example chuck spanner, nut and collet.
For fear of demand, developed grinding and used shoulder to drive on the cup chuck spanner etc.The groove that radially extends on the grinder hollow actuating shaft free end is with near shoulder or the cam mechanism acting in conjunction the grinding cup end face.The handle that grinds cup inserts in the hollow actuating shaft, and can remain on its position by one or more O shape circles, and the groove of driving shaft inwall is enclosed or be arranged in to O shape, perhaps is positioned on the handle that grinds cup.Referring to, for example, Swedish patent B460584 and United States Patent (USP) 5527206.
The other example that shoulder drives referring to, for example, Canadian Patent 2136998.To grind the free end processing of the handle of cup, and be used for forming flat drive surfaces on handle, in the corresponding drive part in the passage of handle insertion output driving shaft, and this output driving shaft is used to insert handle.Grinding that cup remains on its position is by the fexible bias pressure sleeve pipe, and the ball that the fexible bias pressure sleeve pipe will be contained in the wall of output driving shaft is pressed in the cannelure of the handle that grinds cup.
Other innovation is referring to United States Patent (USP) 5639273 and United States Patent (USP) 5727994.In these patents, perpendicular handle is replaced by the center and has cavity, and cavity is arranged in and grinds the cup end face.The shape and size of cavity allow the output driving shaft of grinder to insert in the cavity.
Some manufacturer provides the adapter that their grinding cup is connected to the output driving shaft of competitor's grinder for the grinding cup with the grinder compatibility of other manufacturer is provided.
To grind the method that cup is connected to the output driving shaft of grinder although exist, importantly optimize the job stability that grinds cup.The shortage job stability usually causes vibration and the resonance in the process of lapping.Vibration and/or resonance also directly cause the wear rate of all moving parts of milling apparatus to increase, for example bearing, joint etc., and may disturb setting in the working control circuit of milling apparatus.In addition, lack the wearing and tearing that job stability causes output driving shaft (rotor) and grind all crucial drivings/contact surfaces of cup and increase, these surfaces in running for consistent and appropriate aliging are provided between grinding glass and/or adapter and the motor.Job insecurity and relevant vibration and/or resonance are to destroy the principal element of grinding the built-in profile of preferred cavity in the cup means of abrasion.This directly damages the profile of the cutter head of recovery.Clean effect is that the ideal of fundamentally losing used drill bit or cutter is comprehensively crept into performance.
Traditionally, the manufacturing of grinding cup at first is the blank that forms main part by machined, casting, forging etc.Neededly be to process different blanks and be used for being ground cutter head and being used for to grind the distinct methods of cup of every kind of size to grinder.This causes the manufacturing cost height, and the huge stocks of making the part of the grinding cup be used to cover size, shape and all scopes of method of attachment.Then, blank is pressed in the mould that contains hot diamond/metal mixture.The bottom surface of blank is heated and is attached on the diamond/metal matrix.With diamond/metal matrix heating and the several method that is attached on the blank is known.In addition, diamond/metal matrix can be formed means of abrasion, then can and/or use binding agent or solder bonds to blank by the heat cooperation.
Summary of the invention
An object of the present invention is to make parts standardization, and no matter polished tip size or method of attachment how, thereby reduce manufacturing cost.According to the present invention, the standardization part can be with very large quantity production, and be used for assembling and grind cup.
Another object of the present invention provides the standardization abrasive article, is used for the cutter head of polished every kind of size and dimension, described standardization abrasive article can be connected to different with customizing or reusable drive unit on.
A further object of the present invention is the negative effect that reduces job stability, reduce to drive and/or the contact zone in the wearing and tearing/destruction, the wearing and tearing/destruction and/or the distortion of material of driving/contact surface, and other the wearing and tearing/destruction that may be correlated with of milling apparatus, and these are to be caused by vibration and/or resonance.
Another purpose of the present invention is to improve job stability, this is by optimization/coordination rotor and grinds cup, perhaps grind cup and adapter, the perhaps power of transmitting in running between adapter and the rotor comprises (rotation) power of reversing, axially (feeding) power and (change edge loading) power radially.
Another purpose of the present invention is the location of optimizing between abrasive article and the driving connector.
Therefore, the invention provides a kind of abrasive article that drives connector that is connected to, be used to grind working head, rock tunnel(ling) machine (TBM) cutter of carbide alloy inserts or drill bit (impacting or rotation) and rise hole machine (RBM) cutter, they are returned to its original profile fully.Described abrasive article has:
(a) have the means of abrasion on top and bottom surface, the convex recess that is positioned at the center that forms in the bottom surface of described means of abrasion has polished required profile;
(b) with the adjacent support section of end face of described means of abrasion; And
(c) abrasive article is connected to the mechanism that drives connector, wherein abrasive article can unload from driving connector after wearing and tearing.
In a preferred embodiment, abrasive article is connected to the short column that the mechanism that drives connector comprises longitudinal extension, described short column is suitable for inserting in the respective recesses of described driving connector.
In yet another aspect, the invention provides a kind of driving connector, described driving connector has and is suitable for the second portion that connects the first of abrasive article and be suitable for removably connecting the output driving shaft of grinder.Second portion comprises drive part and support section, and preferably has matching surface, the size and dimension of described matching surface mates the contact zone of the output driving shaft of grinder fully, perhaps described driving connector is connected to the contact zone of any adapter of the output driving shaft of grinder.
The various details further feature, perhaps from following detailed, it is clear that further feature of the present invention will become.
Description of drawings
In order more to be expressly understood the present invention, below with reference to the accompanying drawings, with form the preferred embodiment of the present invention will be described in detail of illustration.In the accompanying drawings:
Fig. 1 is that wherein part is cut open according to the side view of abrasive article of the present invention with an embodiment of the driving connector that utilizes shoulder to drive;
Fig. 2 is that wherein part is cut open according to the side view of abrasive article of the present invention with an embodiment of another driving connector that utilizes hexagonal to drive.
The specific embodiment
The present invention that Fig. 1 represents has the grinding cup that utilizes shoulder to drive, but also can be applied to grind other type of drive device on the cup.
Referring to Fig. 1,, usually be expressed as 1 according to an embodiment who grinds cup of the present invention.Grinding cup 1 is in order to be applied to a kind of grinder, the type of this grinder is that the free end at the output driving shaft of grinder has the radially groove of extension slot, thereby with shoulder or cam mechanism collaborative work near the grinding cup end face, this mechanism is as describing in the United States Patent (USP) 5527206.
Grinding cup 1 is made of two visibly different parts: abrasive article 2 and drive connector 3.Abrasive article 2 has means of abrasion 4, and means of abrasion 4 is made by the material that can grind the carbide alloy inserts of button bits.In a preferred embodiment, means of abrasion 4 is made by metal and diamond matrix.The periphery edge 5 of the bottom surface 6 of means of abrasion 4 preferably tilts, so that remove steel from the bit face of cutter head bottom periphery in process of lapping.In process of lapping or before this or after this; other method of removing steel from the bit face of cutter head bottom periphery is known; comprise and use independent instrument to reach this purpose, use the angle of friction spline or broaching tool vestige or change periphery edge at periphery.The convex recess 7 that is in the center is formed on the bottom surface 6, has to be used to grind required size of cutter head and profile.
Preferably, combine with the end face 8 of means of abrasion 4 and contiguous with it be support section 9, its bottom surface 10 is combined on the end face 8 of means of abrasion 4.With the diamond/metal matrix heating of means of abrasion 4 and the several method that is attached on the support section 9 is known.Support section 9 comprises metal part 11, and it is mach, forging or casting.The metal part 11 of support section 9 can be processed before or after it installs on diamond/metal grinding part 4.Though part 11 is made of metal in a preferred embodiment, the present invention can comprise that the composite that uses nonmetallic materials or nonmetallic materials and metal material forms support section 9 and part 11.Preferred operation on the possible degree is being preprocessing support section 9 before in conjunction with means of abrasion 4.In addition, means of abrasion 4 and support section 9 can form simultaneously.Under any situation, the processing after the heating of some form needs, the purpose that is used to clean.Outer surface after the cleaning heating is by means of abrasion 4 is clamped in the chuck of lathe, and then car goes the relevant surfaces that need remove.At this moment, also can car remove the excess stock that is fit to remove.Processing after the heating is used for removing " overlap " and other carcass material, and these overflow from mould in heating/pressing process.The thickness T of the metal part 11 of support section 9 should be enough to provide support structure for means of abrasion 4.
In the embodiment shown in fig. 1, abrasive article 2 is connected to the mechanism 13 that drives connector 3, comprises substantially cylindrical part 16, its bottom margin 17 connects and/or is contained in the top 14 of support section 9.Cylindrical stub 18 is positioned at the center of the top 19 of column part 16.Short column 18 is to be used for inserting the respective cavities that drives connector 3, and its mode is that (1) will prevent abrasive article 2 with respect to driving connector 3 and freely rotate or rotating; (2) with bear use to grind cup relevant axially, radially, reverse and centripetal force; (3) optionally allow to pull down the abrasive article 2 that means of abrasion 4 weares and teares, and the abrasive article that more renews, thereby permission drives the repeated use of connector.In illustrated compression, short column 18 is press fit into and drives in the connector.In addition, driving short column on the connector can insert in the abrasive article in the corresponding cavity.Some examples of the method for attachment that other is possible are taper fit, be threaded, bonding, soldering, friction welding (FW) are connected with pin.
In the present invention, regardless of connecting the method for grinding cup with the output driving shaft of grinder, the abrasive article 2 that is used for the convex recess 7 of any special size and shape is identical.The standardization of part will reduce manufacturing cost and required stockpile number.
In the embodiment shown in fig. 1, drive connector 3 and be expressed as an independent part,, be used to be connected to the output driving shaft of grinder by a method in the above-mentioned known driving method.Driving connector among Fig. 1 has the first 22 that is suitable for being connected to abrasive article 2, and the second portion 23 that is suitable for being detachably connected to the output driving shaft of grinder.In the first 22 of illustrated embodiment, the outer wall 24 of first 22 is cylindrical substantially in illustrated embodiment, but can is other shape, surrounds a shrinkage pool 25, is suitable for receiving the short column 18 of abrasive article 2.Short column 18 is suitable for inserting in the shrinkage pool 25, thereby abrasive article 2 can not rotate or rotation with respect to driving connector 3.The size and dimension of the bottom 26 of outer wall 24 is suitable for cooperating the top 19 of the column part 16 of the mechanism 13 on the abrasive article 2.Though it is circular that short column 18 and shrinkage pool 25 are expressed as the cross section in the drawings, other shape also is fine, for example oval, avette, square, rectangle, hexagon or the like.As above mentioned, make the shrinkage pool on the short column insertion abrasive article that drives on the connector, also within the scope of the invention.
The second portion 23 of driving connector integrates with the top 27 of the outer wall 24 of first.The structure of second portion 23 wants the drive system of the grinder installed to change according to grinding cup, and regardless of the drive system of using, usually, second portion 23 will have drive part and support section.In Fig. 1, want with the drive system that drives connector 3 collaborative works be the shoulder drive system.In the drive part of illustrated embodiment, generally be expressed as 28, cam mechanism or shoulder 29 are positioned at the top 27 of the outer wall 24 of first 22.The size of cam or shoulder 29 cooperates with radially extension slot on the free end of grinder output driving shaft.Cam 29 has upper surface 30, parallel side wall 31 and end wall 32.Support section generally is expressed as 33, comprises the perpendicular handle 34 of hollow vertical, is positioned at the center of the upper surface 30 of cam 29.Hollow handle 34 is used for inserting the corresponding axis of grinder output shaft to shrinkage pool.Maintaining body 35 provides with perpendicular handle 34, is used in use will grinding the output shaft that cup is fixed on grinder.In preferred embodiment shown in Figure 1, maintaining body 35 is the one or more O shape circles 36 that are arranged in the one or more grooves 37 on the handle 34.Alternatively, maintaining body also can be positioned on the output driving shaft, and perhaps simultaneously in the combination of grinding on cup and the driving shaft, they work alone or collaborative work.
In illustrated embodiment, drive part 28 is suitable for optimizing contacting between the corresponding matching surface of the mating surface (upper surface 30 of cam 29 and sidewall 31) that drives connector 3 and the output driving shaft of grinder, be used to reduce vibration, thereby reduce because the rotor wearing and tearing that vibration and/or resonance cause, and other possible relevant wearing and tearing of milling apparatus, and by the power of transmitting between optimization and coordinated operation process rotor and the grinding cup, comprise (rotation) power of reversing, axially (feeding) power and radially (change edge loading) power, and reduce negative effect to job stability, reduce to drive and/or the contact zone in the wearing and tearing/destruction of driving/contact surface, wearing and tearing/the destruction of material and/or distortion.
In illustrated embodiment, the size and dimension of cam mechanism or shoulder 29 is optimized the matching surface of described cam or shoulder, and with the grinder output shaft on the corresponding matching surface coupling of groove.In addition, preferably, length, width and the degree of depth of cam or shoulder 29, identical with the free-ended radially extension slot of grinder output driving shaft.Wall and the upper surface 30 of cam 29 and the contact zone between the sidewall 32 that this optimizes the groove on driving shaft cause vibration and rotor to wear and tear and reduce, and reduce to vibrate and/or other possible relevant wearing and tearing of the milling apparatus that causes of resonating.By the power of transmitting between optimization and coordinated operation process rotor and the grinding cup, comprise (rotation) power of reversing, axially (feeding) power and (change edge loading) power radially, reduce vibration and also improve job stability, reduce to drive and/or the contact zone in driving/contact surface wearing and tearing/destructions, material wearing and tearing/destruction and/or be out of shape.In addition, thoroughly reduce vibration and/or resonance, make the destruction of preferred built-in profile of the cavity of means of abrasion be reduced to minimum level.
In order to optimize and to coordinate different loads, as torsional load, and make service load, as radial and axial load, in the scope of different size that grinds cup and profile, the size of cam or shoulder can be different with the free-ended radially extension slot of output driving shaft, if it is perhaps use adapter, different with the adapter size.
Above-mentioned that mention, optimize driving shaft and grind contact area between the cup and the method for standardization part, no matter where implement, no matter the size of polished cutter head how, will reduce manufacturing cost.In addition, this causes vibrating little, thereby reduces rotor wearing and tearing, and reduces to vibrate and/or other possible relevant wearing and tearing of the milling apparatus that causes of resonating.And power by transmitting between optimization and coordinated operation process rotor and the grinding cup, comprise (rotation) power of reversing, axially (feeding) power and (change edge loading) power radially, reduce negative effect to job stability, reduce to drive and/or the contact zone in the wearing and tearing/destruction, the wearing and tearing/destruction and/or the distortion of material of driving/contact surface.In addition, the destruction with the preferred built-in profile of the cavity of means of abrasion is reduced to minimum level.Consider the size of grinding cup, the driving mechanism of selection, manufacturing cost is built the material of usefulness, zone that product identification is required and essential structural strength and/or support enforcement of the present invention.
Be used to reach further standardization, simplify and make, reduce cost and the minimized other manufacture method of stock, within the scope of the invention.Incompatible other material of current and one or more parts or manufacture process (metal with nonmetallic, perhaps the two is compound) and process can be used.For example, brass is sintering or the like of incompatible a lot of forms usually because it can not be absorbed in produce in the diamond carcass of means of abrasion good in conjunction with required heat.Make independent driving connector and connect abrasive article with brass, the back heating will make it to become possibility.For the grinding cup that processes, it will be infeasible that heat treatment drives connector, but for reusable, the user can benefit and save cost in operation.Nonmetallic materials, as plastics, polymer or elastomeric material and materials similar can be applied to the mating face between abrasive article and driving connector and/or driving connector and output driving shaft or the adapter.Can select nonmetallic materials, be used to provide wearability, vibration resistance is provided, perhaps when having dust, allow the mating face looser, reduce the problem in the mating section potentially.Similarly, the part of abrasive article and driving connector can so that satisfy the manufacture method of using other, as injection moulding, casting, powder metallurgy etc., make some parts be in lower cost by metal or nonmetallic materials or the composite of the two making.
Because standardized driving connector can produce in batches according to the present invention, advantages such as high accuracy, low cost, the classification of the process equipment by can being used to make this part is in the cards.By making more high precision standard driving connector,, will cause better dynamic balancing or the like because factor such as seldom overflow.According to the present invention, the standardized part of any other energy can be made fairly largely, is then used in assembling and grinds cup.
Fig. 2 represents to grind cup 300, is formed by two parts: abrasive article and driving connector drive connector and utilize the hex drive system of describing in the United States Patent (USP) 5727994 to be connected to grinder.Abrasive article 2 is described identical with Fig. 1.Drive connector and generally be expressed as 303 in the embodiment shown in Figure 2, have and be suitable for the second portion 323 that connects the first 322 of abrasive article 2 and be suitable for removably connecting the output driving shaft of grinder.In the first 322 of illustrated embodiment, the outer wall 324 of first 322 surrounds a shrinkage pool 325, is suitable for receiving the short column 18 of abrasive article 2.Short column 18 is suitable for inserting in the shrinkage pool 325, thereby abrasive article 2 can not rotate or rotation with respect to driving connector 303.The size and dimension of the bottom 326 of outer wall 324 is suitable for cooperating the top 19 of the column part 16 of the mechanism 13 on the abrasive article 2.In addition, the short column that drives connector can insert in the respective cavities of hard seat spare.Other possible method of attachment is taper fit, be threaded, bonding, soldering, friction welding (FW) are connected with pin.
The second portion 323 of driving connector 303 integrates with the top 327 of the outer wall 324 of first.The structure of second portion 323 wants the drive system of the grinder installed to change according to grinding cup.Regardless of the drive system of using, usually, second portion 323 will have drive part and support section.In Fig. 2, as mentioned above, want with the drive system that drives connector 303 collaborative works be hex drive system.In the drive part of illustrated embodiment, generally be expressed as 328, be the output shaft collaborative work that is used for grinder.In the embodiment shown in Figure 2, second portion 323 has outer wall 304, and outer wall 304 surrounds the cavity 315 that is in the center, and cavity 315 is openings at the top 305 of outer wall 304.The shape and size of cavity 315 allow to drive on the output driving shaft that connector 303 is detachably connected to grinder and rotation grinding duration of work.The end portion of output driving shaft is suitable for inserting cavity 315 corresponding size, that be in the center.Output driving shaft is suitable for cooperating drivingly cavity 315.In illustrated compression, the top 316 of the cavity 315 of second portion 323 is suitable for surrounding drive part 328.In illustrated embodiment, drive part 328 is processed into hexagonal section, corresponding to the respective drive shape partly of grinder output shaft.Other method formed beyond drive part 328 can utilize machined.Be reduced to minimum level in order to support to grind cup and will vibrate the axial edge load that produces on the grinding cup, the free end of output driving shaft is suitable for freely inserting the bottom 317 of the cavity 315 in the second portion 323 that drives connector 303.In illustrated embodiment, the bottom 317 of the free end of output driving shaft and cavity 315 all is a circular cross-section, and its diameter is slightly less than hexagonal drive part 328.Other structure also is fine, and for example, the support section of cavity can be positioned at above the drive part of cavity bottom, and perhaps drive part can be positioned at the centre of two support sections.
Maintaining body can be positioned on the output driving shaft, and perhaps in cavity 315, the perhaps combination of the two is used for removably keeping grinding cup, in use can not fly thereby grind cup, but still can easily dismantle or change after using.As mentioned above, the special entity that drives the connector connection and remain on the output driving shaft can be changed, so as the drive system of known any existence in the coupling prior art, drive system perhaps any new standardized of coupling exploitation or customization.For example, in the embodiment shown in Figure 2, in the wall 319 of cavity 315, groove 318 is arranged, O shape circle 320 wherein is housed.The outer surface collaborative work of O shape circle 320 and output driving shaft in use helps to grind cup and remains on its position, and reduces vibration and resonance.Other O shape circle on the output driving shaft encloses 320 collaborative works with the wall 319 and the O shape of the bottom 317 of cavity 315, in use will grind cup and remain on its position.These grooves and O shape circle are points of engagement, and its effect is the load transmission of optimizing between adapter and the output driving shaft.
In illustrated embodiment, driving connector 303 is suitable for optimizing cooperation or grinding the drive surfaces of cup drive part 328 and the corresponding contact surface of output driving shaft, in order to reduce vibration, thereby reduce the rotor wearing and tearing, and other possible relevant wearing and tearing of vibration and/or the milling apparatus that causes of resonance, and power by transmitting between optimization and coordinated operation process rotor and the grinding cup, comprise (rotation) power of reversing, axially (feeding) power and (change edge loading) power radially, the raising job stability.By the power of transmitting between optimization and coordinated operation process rotor and the grinding cup, comprise (rotation) power of reversing, axially (feeding) power and (change edge loading) power radially, reduce vibration and also improve job stability, reduce to drive and/or the contact zone in driving/contact surface wearing and tearing/destructions, material wearing and tearing/destruction and/or be out of shape.In addition, obviously reduce vibration and/or resonance, the destruction of the preferred built-in profile of the cavity of means of abrasion is reduced to minimum level.
For power by transmitting between optimization and coordinated operation process rotor and the grinding cup, comprise (rotation) power of reversing, axially (feeding) power and (change edge loading) power radially, further reduce vibration and improve job stability, reduce to drive and/or the contact zone in the wearing and tearing/destruction, the wearing and tearing/destruction and/or the distortion of material of driving/contact surface, also can the lighter material of operating weight, for example metal or nonmetallic materials, be used for abrasive article or drive connector, or be used to form part driving mechanism or maintaining body.Nonmetallic materials as plastics, polymer or elastomeric material and materials similar, can be used for the mating face between actuator and driving connector and/or driving connector and output driving shaft or the adapter.Can select nonmetallic materials, be used to provide wearability, vibration resistance is provided, perhaps when having dust, allow the mating face looser, reduce the problem in the mating section potentially.Similarly, the part of abrasive article and driving connector can so that satisfy the manufacture method of using other, as injection moulding, casting, powder metallurgy etc., make some parts be in lower cost by metal or nonmetallic materials or the composite of the two making.
Grinding of the present invention cup by the standardization part and reduce existing stock, is used to reduce manufacturing cost.But the present invention also has a lot of features, this shows: (1) optimizes the drive surfaces of drive unit, prevent uneven wear and further reduce vibration, optimize the driving of grinding cup drive unit and/or the driving and/or the contact surface of contact surface and corresponding grinder rotor/adapter, prevent uneven wear and further reduce vibration; (2) reduce to drive and/or the wearing and tearing/destruction and/or the material deformation of contact zone; (3) by optimize and coordinated operation process rotor with grind the power of transmitting between the cup, comprise (rotation) power of reversing, axial (feeding) power and (change edge loading) power radially, the raising job stability; (4) when grinding the cooperation of cup and rotor, the chance that makes the operator touch sharp-pointed and/or prominent features is reduced to minimum level; (5) make all contact surfaces become streamlined/coordination, comprise the combination external shape that grinds transition point between cup and the rotor/adapter; And (6) reduce to grind the quality of cup by reducing to grind outside and the inner profile and/or the lighter material of operating weight of cup.
Though illustrated and described the preferred embodiments of the present invention and some possible modification, one of ordinary skill in the art is noted that the present invention allows the further modification of structure and details.For example, grind cup and can comprise adapter, be used for a kind of grinding cup of drive system is connected to the output driving shaft of different driving system.Form to grind cup as another kind, be used to use known drive system to be contained in method on the output driving shaft, drive connector and can be and the output driving shaft independent parts.Screw thread or other suitable removably connecting by appropriate alignment between the part can be provided drive connector and can be directly connected to output driving shaft.
The description of relevant preferred embodiment only is as an example above it should be understood that.A lot of variations of the present invention are conspicuous for those skilled in the art, these obvious variation, and no matter whether this described in the lining, all dropped in the scope of the invention of described and claim qualification.
Claims (22)
1. one kind is connected to the abrasive article that drives connector, be used to grind working head, the tunnel piercing rounding machine cutter of carbide alloy inserts or drill bit (impacting or rotation) and rise the hole rounding machine cutter, they are returned to its original profile fully, described abrasive article has: (a) have the means of abrasion on top and bottom surface, the convex recess that is positioned at the center that forms in the bottom surface of described means of abrasion has polished required profile; (b) with the adjacent support section of end face of described means of abrasion; And the mechanism that (c) abrasive article is connected to the driving connector, it is characterized in that abrasive article can unload from driving connector after wearing and tearing.
2. driving connector as claimed in claim 1 is characterized in that, described driving connector has and is suitable for the second portion that connects the first of abrasive article and be suitable for removably connecting the output driving shaft of grinder.
3. one kind is ground cup, be used to grind working head, rock tunnel(ling) machine (TBM) cutter of carbide alloy inserts or drill bit (impacting or rotation) and rise hole machine (RBM) cutter, they are returned to its original profile fully, the described cup that grinds comprises the independent abrasive article that is connected to the driving connector, described abrasive article has: (a) have the means of abrasion on top and bottom surface, the convex recess that is positioned at the center that forms in the bottom surface of described means of abrasion has polished required profile; (b) with the adjacent support section of end face of described means of abrasion; And the mechanism that (c) abrasive article is connected to independent driving connector, it is characterized in that abrasive article can unload from driving connector after wearing and tearing, and described driving connector has and is suitable for the second portion that connects the first of described abrasive article and be suitable for removably connecting the output driving shaft of grinder.
4. abrasive article as claimed in claim 1 or 2, it is characterized in that abrasive article is connected to the short column that the mechanism that drives connector comprises longitudinal extension, and the first of described driving connector has the outer wall that surrounds shrinkage pool, and described shrinkage pool is suitable for receiving the described short column on the abrasive article.
5. driving connector as claimed in claim 2, it is characterized in that second portion has matching surface, the size and dimension of described matching surface mates the contact zone of the output driving shaft of grinder fully, perhaps mates the contact zone of any adapter that described driving connector is connected to the output driving shaft of grinder fully.
6. as claim 2 or 5 described driving connectors, it is characterized in that described second portion comprises drive part and support section.
7. driving connector as claimed in claim 6, it is characterized in that described drive part comprises cam mechanism, the size of described cam mechanism cooperates with the radially extension slot of described output driving shaft, described cam mechanism has upper surface, relative sidewall and end wall, and described support section comprises the upright handle of hollow vertical, and described handle is positioned at the center of cam mechanism upper surface.
8. as claim 2 or 6 described driving connectors, it is characterized in that described drive part comprises the cavity that is positioned at the center, the shape and size of described cavity allow to drive that connector removably is directly connected to or be connected to the output driving shaft of grinder indirectly and rotate by adapter in grinding the course of work, and the end portion of output driving shaft or adapter is suitable for inserting cavity correspondingly-sized, that be positioned at the center, and can be engaged in drivingly in the described cavity, described cavity has a drive part and one or more support section.
9. as claim 2 or 6 described driving connectors, it is characterized in that driving connector by being threaded alignment and being connected on the output driving shaft.
10. as claim 2 or 6 described driving connectors, it is characterized in that nonmetallic materials are used to drive the contact surface between connector and the abrasive article.
11., it is characterized in that nonmetallic materials are used to drive the contact surface between connector and the output driving shaft as claim 2 or 6 described driving connectors.
12. abrasive article as claimed in claim 1 is characterized in that nonmetallic materials are used to drive the contact surface between connector and the abrasive article.
13. grinding cup as claimed in claim 3, it is characterized in that abrasive article is connected to the short column that the mechanism that drives connector has longitudinal extension, and the first of described driving connector has the outer wall that forms shrinkage pool, and described shrinkage pool is suitable for receiving the described short column of abrasive article.
14. grinding cup as claimed in claim 13, the second portion that it is characterized in that described driving connector has matching surface, the size and dimension of described matching surface mates the contact zone of the output driving shaft of grinder fully, perhaps mates the contact zone that described driving connector is connected to any adapter of grinder output driving shaft fully.
15., it is characterized in that the second portion of described driving connector comprises drive part and support section as claim 13 or 14 described grinding cups.
16. grinding cup as claimed in claim 15, the drive part that it is characterized in that described driving connector comprises cam mechanism, the size of described cam mechanism cooperates with the radially extension slot of described output driving shaft, described cam mechanism has upper surface, relative sidewall and end wall, and described support section comprises the upright handle of hollow vertical, and described handle is positioned at the center of cam mechanism upper surface.
17. grinding cup as claimed in claim 15, the drive part that it is characterized in that described driving connector comprises the cavity that is positioned at the center, the shape and size of described cavity allow to drive that connector removably is directly connected to or be connected to the output driving shaft of grinder indirectly and rotate by adapter in grinding the course of work, and the end portion of output driving shaft or adapter is suitable for inserting cavity correspondingly-sized, that be positioned at the center, and can be engaged in drivingly in the described cavity, described cavity has a drive part and one or more support section.
18. grinding cup as claimed in claim 3 is characterized in that nonmetallic materials are used to drive the contact surface between connector and the abrasive article.
19., it is characterized in that nonmetallic materials are used to drive the contact surface between connector and the output driving shaft as claim 3 or 18 described grinding cups.
20. grinding as claimed in claim 3 cup is characterized in that driving connector and abrasive article interconnects, and makes between first and second parts of convex recess and driving connector of means of abrasion of abrasive article to align.
21. driving connector as claimed in claim 2 is characterized in that driving connector by manufacturing with the inconsistent material of abrasive article manufacture process.
22. driving connector as claimed in claim 21 is characterized in that driving connector and is made by nonmetallic materials.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002363352A CA2363352C (en) | 2001-11-21 | 2001-11-21 | Grinding member for buttons on a rock drill bit |
| CA2,363,352 | 2001-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1615206A true CN1615206A (en) | 2005-05-11 |
| CN100398262C CN100398262C (en) | 2008-07-02 |
Family
ID=4170588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028273478A Expired - Fee Related CN100398262C (en) | 2001-11-21 | 2002-11-21 | Grinding member for buttons on rock drill bit |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20050107021A1 (en) |
| CN (1) | CN100398262C (en) |
| AU (1) | AU2002342471B2 (en) |
| CA (1) | CA2363352C (en) |
| HK (1) | HK1076613A1 (en) |
| SE (1) | SE529996C2 (en) |
| WO (1) | WO2003043782A1 (en) |
| ZA (1) | ZA200403820B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999384A (en) * | 2015-08-12 | 2015-10-28 | 丹阳市超宇五金磨具有限公司 | Spherical grinding wheel |
| CN114025918A (en) * | 2019-06-25 | 2022-02-08 | C.M.E.鼓风及采矿设备有限公司 | Grinding tool for grinding buttons on rock drill bits |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7811155B2 (en) * | 2001-11-21 | 2010-10-12 | Cme Blasting & Mining Equipment Ltd. | Grinding member for buttons on rock drill bit |
| CA2419214A1 (en) * | 2003-02-19 | 2004-08-19 | C.M.E. Blasting & Mining Equipment Ltd. | Grinding apparatus for buttons on rock drill bit |
| JP4868303B2 (en) * | 2005-06-06 | 2012-02-01 | セイコーインスツル株式会社 | Internal grinding wheel, grinding device, and molding device |
| US20130022421A1 (en) * | 2011-07-21 | 2013-01-24 | Robert Bosch Gmbh | Abrasive coring bit |
| US9140123B2 (en) | 2012-04-06 | 2015-09-22 | Caterpillar Inc. | Cutting head tool for tunnel boring machine |
| CN113043083B (en) * | 2021-03-30 | 2022-07-12 | 白斌将 | Drill bit grinding machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE469970B (en) * | 1992-06-15 | 1993-10-18 | Uniroc Grinding Ab | Vibration dampening grinding cup for grinding cemented carbide pins of pin drill bits and holders for such grinding cup |
| SE501695C2 (en) * | 1993-06-22 | 1995-04-24 | Sandvik Ab | Method of supplying coolant to an abrasive cup as well as abrasive cup to perform the process |
| SE503183C2 (en) * | 1993-12-14 | 1996-04-15 | Sandvik Ab | Method and apparatus for grinding pins of a rock drill bit and spool head to apply flushing medium in the grinding of the pins of such rock drill bit |
| SE9400282L (en) * | 1994-01-28 | 1995-07-29 | Cme Blasting & Mining Equip | Retaining |
| SE504443C2 (en) * | 1994-11-21 | 1997-02-10 | Sandvik Ab | Grinding cup and wear part therefor |
| US5639273A (en) * | 1995-02-03 | 1997-06-17 | C.M.E. Blasting & Mining Equipment Ltd. | Grinding cup and holder device |
| SE505710C2 (en) * | 1995-04-20 | 1997-09-29 | Sandvik Ab | Grinding cup and wear part therefor |
| CA2306735C (en) * | 2000-04-27 | 2005-06-21 | Bo Thomas Sjolander | Grinding cup having optimized drive and/or contact surfaces |
-
2001
- 2001-11-21 CA CA002363352A patent/CA2363352C/en not_active Expired - Lifetime
-
2002
- 2002-11-21 US US10/496,195 patent/US20050107021A1/en not_active Abandoned
- 2002-11-21 AU AU2002342471A patent/AU2002342471B2/en not_active Ceased
- 2002-11-21 CN CNB028273478A patent/CN100398262C/en not_active Expired - Fee Related
- 2002-11-21 WO PCT/CA2002/001765 patent/WO2003043782A1/en not_active Application Discontinuation
-
2004
- 2004-05-18 ZA ZA2004/03820A patent/ZA200403820B/en unknown
- 2004-05-21 SE SE0401306A patent/SE529996C2/en unknown
-
2005
- 2005-09-29 HK HK05108604.6A patent/HK1076613A1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999384A (en) * | 2015-08-12 | 2015-10-28 | 丹阳市超宇五金磨具有限公司 | Spherical grinding wheel |
| CN114025918A (en) * | 2019-06-25 | 2022-02-08 | C.M.E.鼓风及采矿设备有限公司 | Grinding tool for grinding buttons on rock drill bits |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2363352A1 (en) | 2003-05-21 |
| SE0401306D0 (en) | 2004-05-21 |
| SE529996C2 (en) | 2008-02-05 |
| CA2363352C (en) | 2009-05-12 |
| US20050107021A1 (en) | 2005-05-19 |
| AU2002342471B2 (en) | 2007-11-22 |
| WO2003043782A1 (en) | 2003-05-30 |
| SE0401306L (en) | 2004-07-21 |
| AU2002342471A1 (en) | 2003-06-10 |
| CN100398262C (en) | 2008-07-02 |
| HK1076613A1 (en) | 2006-01-20 |
| ZA200403820B (en) | 2005-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6716388B2 (en) | Tool for rotary chip removal, a tool tip and a method for manufacturing a tool tip | |
| US7811155B2 (en) | Grinding member for buttons on rock drill bit | |
| US20220055183A1 (en) | Machining segment for a machining tool | |
| US20100025114A1 (en) | PCD Percussion Drill Bit | |
| CN100398262C (en) | Grinding member for buttons on rock drill bit | |
| CA2306735C (en) | Grinding cup having optimized drive and/or contact surfaces | |
| CA2967049A1 (en) | Grinding tool for buttons on a rock drill bit | |
| AU2001254560A1 (en) | Grinding tool for buttons of a rock drill bit | |
| CN101264570A (en) | Processing method of full-grinding twist drill after milling groove porcessing and processing positioning device | |
| CN209288462U (en) | A kind of plating tapping frotton | |
| CN111421173A (en) | Blank and cutting tool having spiral superhard material rake face | |
| KR100506874B1 (en) | A PCD Temp Cutter And Processing Method | |
| CN204843075U (en) | Drilling bit | |
| CN105290482A (en) | Milling and rolling integrated cutter | |
| AU2001239059B2 (en) | Mass reduced grinding cup | |
| CN101708580A (en) | Process for machining drill bit or milling cutter | |
| JPS6080557A (en) | Method and device for finish-machining of chip discharge groove for carbide drill | |
| CA2467417C (en) | Grinding member for buttons on rock drill bit | |
| AU2001239059A1 (en) | Mass reduced grinding cup | |
| CA2404156C (en) | Grinding tool for buttons of a rock drill bit | |
| CA2402264C (en) | Mass reduced grinding cup | |
| US20220362861A1 (en) | Grinding tool for grinding buttons on a rock drill bit | |
| CN202240955U (en) | Grinding wheel used in machining process for cutting tool | |
| AU711663B2 (en) | Grinding cup and holder device | |
| JPH0588818U (en) | Cutting and grinding dual-purpose tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1076613 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1076613 Country of ref document: HK |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20211121 |