CN1008894B - Disposable grinding apparatus having integral mounting hub - Google Patents
Disposable grinding apparatus having integral mounting hubInfo
- Publication number
- CN1008894B CN1008894B CN 87102592 CN87102592A CN1008894B CN 1008894 B CN1008894 B CN 1008894B CN 87102592 CN87102592 CN 87102592 CN 87102592 A CN87102592 A CN 87102592A CN 1008894 B CN1008894 B CN 1008894B
- Authority
- CN
- China
- Prior art keywords
- disposable use
- utensil according
- support lugn
- polishing utensil
- nut
- 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
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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
- B24D5/16—Bushings; Mountings
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- 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
- B24D7/16—Bushings; Mountings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A disposable grinding apparatus such as a depressed center grinding wheel for mounting on a rotatable threaded spindle of a power tool. The grinding wheel contains a retaining nut on one side thereof and a backing flange on the other side thereof non-removably secured together on the grinding wheel without the aid of adhesives in such a manner that the grinding wheel is placed in compression when it is operably secured upon the spindle of the power tool under grinding loads. The nut and flange are secured together by upsetting one end of the nut causing it to protrude outwardly over the outer surface of the flange. A base assembly is loosely secured to the spindle of the power tool for engaging the outer surface of the backing flange during operation of the grinding wheel. Alternatively, a pressure cap member is secured to the outwardly protruding portion of the nut for engaging a shoulder formed on the spindle of the power tool during operation of the grinding wheel.
Description
The present invention relates to the abrasive material fabricated product, particularly have the polishing utensil of permanent fixing installation wheel hub, its composite members is suitable for being installed on the suitable lightweight power equipment.More particularly, the present invention is applied on the disposable concave emery wheel.
The polishing utensil of rotatable driving is generally to be familiar with many in the application of industrial quarters.In the application of this utensil, very one of the serious problems that run into provide effective device, unexpectedly throw off on axle, main shaft or other rotating transmission device of its installation in order to prevent polishing utensils such as emery wheel.Can dismantle so that when changeing the polishing utensil fast when the connection request between polishing utensil and its driving shaft, the problems referred to above are just more sharp-pointed.A large amount of devices belong to this type, for example, light power grinder, its employed emery wheel requires and can dismantle from Power Available Shaft, to be convenient to replacing.For emery wheel correctly is installed on the main shaft, measure must be arranged so that enough clamping forces to be provided, and emery wheel is rotatably fixed.
A kind of emery wheel is fixed to device on the driving shaft, is provided with a suitable support lugn, have on it one with the abrasive material emery wheel on the centre bore of hole centering.Bolt or nut (structure that depends on driving shaft, that is, it is external screw thread or internal thread) penetrate and tighten on the throne from the emery wheel front side.In such a way a plurality of parts are dressed up a complete assembly, in order to using.When using emery wheel, suitable clamping force should be able to be provided, emery wheel is fixedly attached on the driving shaft.But this assembling generally all needs proper implements such as spanner that emery wheel is unloaded from driving shaft.This device is described in U.S. Pat-3,596,415; US-1,998,919; US-566,883; US-507,223; US-1,162,970; US-791,159; US-489,149; US-3 is in 210,892.
Therefore, require the installation wheel hub for good and all is fixed on the emery wheel, whole unit can be installed on the driving shaft quickly and easily, or it is pulled down and throws away during the emery wheel wearing and tearing.The device of these types, custom is used the binding agent of epoxy resin and so between the support lugn and the emery wheel back side, keeps installing the globality of wheel hub and emery wheel, and emery wheel is fixed with rotary way.
Although in great majority are used, binding agent work is good, but someone finds, in some cases, binding agent fluffs, thereby emery wheel rotates relative to wheel hub is installed, this situation is all the more so particularly, wheel hub is single part and has internal thread, by upset out thereon a projection and and emery wheel fixing on the throne, provide the power of fixing to clamp to fix emery wheel with this.In the emery wheel use, the further rotation of wheel is not applied in additional clamping force, and this is identical with the above-mentioned situation of fixing from the front with conventional nut.As a result, between emery wheel and installation wheel hub, developed various cotter ways and corresponding pin configuration, united use with binding agent again, to get rid of the rotation of installing between wheel hub and the emery wheel.The example of this device is seen U.S. Pat-3,136,100; US-4,015,371; US-2,278,301; US-3,081,584; US-3,500,592; US-3,800,483; US-4,240,230 and US-4,541,205.
Other prior art known to the applicant has U.S. Pat-3,041,797; US-3,879,178; US-1,724,742; US-3,912,411; US-3,879,178; US-3,960,516; US-4,026,074; US-4,054,425; US-4,088,729; US-4,601,661; US-791,791US-872,932; US-2,567,782; US-3,136,100; US-3,218,892; US-3,621,621.
Disposable use abrasive wheel assembly in the prior art device comprises permanent fixing installation wheel hub, and they all can turn round usually on request.Finding in the various devices has some intrinsic shortcoming, uses binding agent will increase manufacturing costs such as material and labour in addition during fabrication.In some device, part must be sold together and accurate centering, so that run well.In addition, use die casting that this one-piece parts of wheel hub is installed, when emery wheel was rotated by power tool, support lugn can not apply additional clamping force to emery wheel.In addition, it is heavy that hub ratio is installed in this die casting, occupies big quantity space, increases the weight and the fringe cost of product greatly.
According to the present invention, be fixed with non-removable drive disk assembly on the polishing utensil, on the rotatable shaft that is installed to power equipment.This drive disk assembly has a support lugn in polishing utensil one side, also has a hold-down nut that is placed in opposite side opposite with support lugn on the utensil.Hold-down nut passes a hole of utensil towards the back from the utensil front, the radial flange of hold-down nut one end is placed on the front of utensil, the projection arrangement of stretching out by its other end, in order to hold-down nut and support lugn non-dismountablely are fixed on the utensil together, do not need to use binding agent here.
A base element loosely is clamped on the power equipment main shaft, and the outer surface of it and support lugn joins, and can exert pressure to support lugn when the running of polishing utensil.
On the other hand, a gland can be fixed on the projection arrangement.Gland has a central through hole, and the power equipment main shaft is by this centre bore and hold-down nut engagement.
More particularly, adopt fixture and base element, perhaps adopt gland, when utensil can be fixed on the power tool main shaft, all can make hold-down nut and support lugn make utensil in the middle of them, be in pressured state with turning round.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the sectional elevation of the disposable abrasive wheel assembly made according to the principle of the invention, and this assembly is installed on the running position of main shaft of power tool;
Fig. 2 is the decomposition view of structure shown in Figure 1;
Fig. 3 is the sectional elevation according to the support lugn of the present invention's making;
Fig. 4 is the sectional elevation according to the hold-down nut of principle of the invention making;
Fig. 5 is the sectional elevation after the hold-down nut heading shown in Figure 4;
Fig. 6 is the another kind of structure according to the main shaft base assembly that is used for small-sized emery wheel of the present invention's making;
Fig. 7 is that this assembly has gland and is installed in according to the running position on the main shaft of power tool according to the sectional elevation of another embodiment of the abrasive wheel assembly of principle of the invention making;
Fig. 8 is the sectional elevation according to the gland of the present invention's making, the structure of expression gland;
Fig. 9 is the sectional elevation according to the another kind of embodiment of disposable abrasive wheel assembly of principle of the invention making;
Figure 10 is the sectional elevation according to the cup shell of the present invention's making;
Figure 11 is the sectional elevation according to the support lugn of principle of the invention making;
Figure 12 is the sectional elevation according to compound support lugn one cup shell of the present invention's making;
Figure 13 is the sectional elevation according to the hold-down nut of the present invention's making.
Though the present invention is applicable to any disposable power transmission polishing utensil, this paper only describes with regard to the operating position of the recessed emery wheel in center.As shown in the drawing, permanently be fixed with one group of disposable drive disk assembly 12 on the concave emery wheel 10, emery wheel can be fixed on the main shaft 14 of suitable dynamic instrument 16.According to principle of the present invention, the making of disposable installation wheel hub or drive disk assembly should consider like this, and when promptly emery wheel was placed on the running position of main shaft 14, emery wheel was in pressured state, and emery wheel when using suffered power bigger, the operating pressure of generation is also bigger.Emery wheel is in the result of this pressured state, makes emery wheel remain on unlikely flying out on the main shaft, and simultaneously, because effect has extruding or clamping force, emery wheel 10 can be not that wheel hub 12 rotates relative to drive disk assembly.Yet the structure of this drive disk assembly makes the emery wheel of wearing and tearing to unload and to throw away from main shaft easily, does not need to use hand tools and other instrument.
Can be clear that from figure emery wheel 10 has the back side 18 and front 20, look from the front, the emery wheel indent, shown in 22, its back side has corresponding center to rise part 24.The dished portion of emery wheel 10 has centre bore 26.The dished portion of emery wheel 10 guarantees that drive disk assembly or main shaft can not stretch out outside the planar section 20 of emery wheel 10, thereby when using emery wheel 10, unlikely obstruction workpiece.
Be provided with support lugn 28, be close on the rise part 24 above the back side 18 of emery wheel 10.The diameter of flange 28 is less than the diameter of emery wheel 10.Support lugn 28 has one second central through hole 30, with hole 26 centerings of emery wheel 10.Be formed with the ribs 32 and 34 concentric on the support lugn 28 with hole 30.Support lugn 28 preferably is stamped to form by sheet metal, can certainly create with other materials such as hard molded plastics or molded metals when needing.
Fig. 3 more specifically demonstrates, and support lugn 28 has inner surface 36 and outer surface 38.The configuration of inner surface 36 makes its back side 18 of 10 towards emery wheel.Pair of planar 40 and 42 are arranged on the inner surface 36.Plane 40 is formed in the outer peripheral portion of support lugn 28 usually.And plane 42 is arranged in the place of leaving plane 40 and inwardly shifting to hole 30.Fitting away from the place of concave and the back side 18 of emery wheel in plane 40.Along with the variation of emery wheel size and emery wheel and flange manufacturing tolerance, plane 42 can be fitted in emery wheel 10 with on dished portion 22 opposing backside surface.
From accompanying drawing, particularly among Fig. 3 as seen, the rib 32 and 34 on the outer surface 38 of support lugn 28 is progressive forming.Rib 32 is configured between plane 40 and 42 continuously, and is in outside the dished portion and the transitional region between the remainder of emery wheel 10.And continuous rib 34 is configured in the centre on hole 30 and plane 42.
Hold-down nut 44 has the body part 46 of hollow, and its first end 50 has a radially outwardly directed flange 48.In the opposite end of nut body, promptly have groove on the position that second end 52 moves in a little, as succeeding vat 54, what shaping was come out after nut body 46 is inserted into the hole of emery wheel 10 and support lugn when it was assembling.Inner surface along nut body 46 is formed with screw thread 56, so that be fixed on the threaded spindle 14 of power tool.Nut 44 from the front 20 of emery wheel 10 towards the back 18 holes 30 of passing emery wheel hole 26 and flange 28.A segment distance is stretched out by the hole 30 of flange 28 in the end 52 of nut 44, but is no more than the end face of rib 34.
The most handy aluminium stockings of nut 44 are made, and cut flange 48 and screw thread 56, in addition can be with aluminium bar or rod iron blank, and perhaps the metal die casting is made.
In a described embodiment, for scrapping correct the pulling down of emery wheel, be provided with a base assembly 60, comprise a disk 62, first surface 64 is arranged, a part that at least should the surface is suitable to engage with the outer surface 38 of flange 28.Fixture 66 of disk 62 usefulness remains on the main shaft 14.In most preferred embodiment shown in Figure 1, fixture can be a nylon ring, can be screwed on the threaded main shaft 14.Like this, nylon ring 66 remains on disk 62 loose grounds on the main shaft 14 all the time, no matter whether emery wheel is held in place.As can be seen, the first surface of disk 62 64 forms continuous ridges 68 and 70, respectively with flange 28 on rib 34 and 32 engage.As shown in the figure, these ridges are provided with downwards, make disk constitute a chamber, and in use, nut 44 can be partially retracted in it.Contact between the rib ridge is the line contact basically.Because the line contact generally makes emery wheel 10 and unloads on the driven power facility 16 than being easier to.But in the polishing process, because disk 62 can apply huge power, useless sometimes wheel is difficult to take off.
Plastic washer 67 places between the shoulder 69 of the opposite face 65 of disk 62 and power tool 16, and packing ring 67 the most handy selflubricatingpistons are made.Packing ring 67 plays two effects.First effect is the power tool 16 that adapts to the various sizes shape.That is to say that main shaft 14 has all lengths, need distance piece to guarantee the unlikely end that exceeds nut 44 of spindle nose.Second effect is to help useless wheel 10 to unload from power tool 16.Owing to produce huge power in the polishing process, metal to metal, trend is bonding or bite between the metal surface particularly of the same race, therefore, need could unload useless wheel with bigger power.Self-lubricating xenogenesis surface between packing ring 67 and shoulder 69 and packing ring 69 and the surface 65 when emery wheel 10 being applied minimum power, just can make it rapidly separately.In view of the above, the line contact that relates to above makes emery wheel be easy to separate from base assembly 60.
Making emery wheel 10 be in the required power of pressured state is to obtain by the connection between the screw thread 56 of main shaft 14 and nut 44.With reference to figure 1, should be noted that when emery wheel was screwed on the main shaft 14, ridge 68 and 70 engaged with rib 34 and 32 on the flange with linear mode.Because this kind joint, flange is subjected to downward power.Meanwhile, the engagement between spindle thread 14 and the nut thread 56 is upwards pushed nut to flange 28, makes emery wheel be in pressured state.Observe accompanying drawing, particularly Fig. 1, will disclose, during the emery wheel running, from power tool 16 along downward direction, to the plane of packing ring 67, disk 62 and flange 28 40 transmission power.Simultaneously, upwards apply power by the flange on the nut 44 48.The generation of these power be since screw-threaded engagement between the internal thread 56 of main shaft 14 and nut 44 and emery wheel when contacting with workpiece the latter moving runner applied moment of torsion cause.Be familiar with these professional personnel and will be understood that, when emery wheel in using 10 contacted with workpiece, additional torsional interaction tightened on the main shaft 14 it to emery wheel more.That is to say, when emery wheel contacts with workpiece and when rotating, the friction between nut and the emery wheel center makes nut rotate to the direction of tightening more.The rotation of nut makes nut further push flange to and flange is further applied power.Emery wheel more is tightened, and the operating pressure of generation is just bigger, and the clamping of emery wheel 10 between support lugn 28 and nut 44 flanges 48 is just more firm.The result of this strong clamping or extruding can not move emery wheel 10 relative to wheel hub or drive disk assembly 12, has got rid of the disengagement of emery wheel and main shaft simultaneously.The inner surface 64 that should also be noted that disk 62 provides cavity 71 above nut 44 tops 52.This cavity 71 has been for nut provides the space, can not be subjected to the constraint of power tool or base assembly and freely move up when it turns round.
Figure 6 shows that the another kind of structure that is similar to Fig. 1, it is used for less emery wheel by specialized designs, for example those diameters are 5 inches (12.7 centimetres) or littler emery wheel, and the disk that its unique difference is a base assembly has less diameter, only with the through hole of support lugn near first rib engage.As shown in the figure, on the periphery surface 82 of disk 80 and the support lugn 28 continuously the end face of rib 34 engage.It is found that the running that little emery wheel does not need big support lugn just can be satisfied with it will of course be appreciated that little emery wheel has big support lugn and can turn round betterly.
On the other hand, as shown in Figure 7 and Figure 8,, a gland 90 is buckled into hub unit 12 and pinning in order to provide above-mentioned proper handling extruding force to useless emery wheel.In this case, above-mentioned base assembly 60 can save.Gland 90 has first rear surface 92, and when emery wheel was in the running position of power tool 16, this rear surface engaged with the main shaft surface 69 of power tool.Second surface on the gland 90, i.e. the end face of the continuous rib 34 of front surface 96 contacts.Gland 90 is remained on the hub unit 12 by clamping ribs 98, and this clamping ribs is radially inwardly stretched by the following outstanding overskirt 84 on the front surface 96 of the gland body 84 of gland 90.Clamping ribs 98 fastens projection 55 and is bonded on the lip limit 57 on hold-down nut 44 ends 52.Meanwhile, the surface 74 of the continuous ribs 34 of support lugn 28 applies a radially inside power, and clamping ribs 98 is fixed on lip limit 57 and the position between the support lugn periphery in hole 30.Gland 90 is preferably made by moulded plastics such as polypropylene, polyamide, acetals.Clamping ribs 98 can be continuous, is interrupted can resembling shown in the dotted line 99 when needing.An important characteristic is that gland can be resembled by whole seller or user before use and buckle into its locked position as shown in Figure 1 at an easy rate when needing, and carries out in factory when perhaps assembling.This ability can be saved transport space because not with the assembling emery wheel of gland when the packing case inner packing, can be placed on gland between the emery wheel or wheel and case between the space in.Like this, a large amount of emery wheels can stack each other and be packaged in the same packing case.
Be further appreciated that gland 90 in case after installing, just be retained on the emery wheel, and along with useless wheel is disposed together.
Make emery wheel 10 be in the required power of pressured state by main shaft 14 with produce being connected of screw thread 56 of nut 44.Will be noted that when tightening on the main shaft 14, surface 92 and surface 69 engage to emery wheel during with reference to figure 7.Like this, power is delivered on the support lugn 28 with contacting of ribs 34 by surperficial 96 just by gland 90, makes support lugn be subjected to downward power.Simultaneously, being meshing with each other between the screw thread 14 and 56 of main shaft and nut forces nut upwards to shift to flange 28, makes emery wheel be in pressured state.Be familiar with these professional personnel and should be appreciated that, the same with the situation of using base assembly 60 when using emery wheel to make it be placed on the workpiece, the additional torque that applies further tightens on the main shaft 14 emery wheel.
More specifically with reference to figure 9-13, shown in the figure another embodiment now according to a kind of disposable emery wheel-drive disk assembly of principle of the invention making.As shown in FIG., permanently be fixed with a disposable drive disk assembly 12 on the concave emery wheel 10, this emery wheel can be fixed on the main shaft 14 of a suitable dynamic instrument of representing with imaginary line 16.
Can know from figure and find out that emery wheel 10 has the back side 18 and front 20.Look from the emery wheel front, its core inwardly concaves, and shown in 22, has corresponding center on its back side and rises part 24.The dished portion of emery wheel 10 has centre bore 26.
Be provided with support lugn 128, on its suitable rise part 24 that is close to above emery wheel 10 back sides 18.The diameter of flange 128 is less than the diameter of emery wheel 10.Second central through hole 130 is arranged, with hole 26 centerings on the emery wheel 10 on the support lugn 128.Be formed with the ribs 132 concentric with hole 130 on the support lugn 128, support lugn 128 is preferably come out by the sheet metal punching press, can certainly create with hard other materials such as molded plastics when needing.
Hold-down nut 134 has the body part 136 of hollow, and one end 140 has a radially overhanging flange 138.On the position that the other end 142 of nut body moves in a little, have groove, as succeeding vat 144.Inner surface along nut body 136 is formed with screw thread 146, so that be connected on the main shaft 14 of power tool.Nut 134 is 18 holes of passing on emery wheel hole 26 and the flange 128 130 rearwards from the front 20 of emery wheel 10.
The cup shell 150 of a hollow covers on the hold-down nut top of passing flange 28, and is squeezed in the groove 144 on the nut and fixes non-dismountablely by its part.As shown in the figure, hollow cup (main shaft cup) has sidewall 152, one end 156 that a flange 154 that radially outwards stretches is arranged.The opposite end 158 of sidewall 152 curves inwardly, and constitutes a third through-hole 160.The part that curves inwardly of sidewall 152 is also for the main shaft 14 of power tool 16 works to lay the district, and user's ratio is easier to emery wheel is placed on the power tool 16.The sidewall 152 of cup 150 is finished with fixing can the operation with simple piling of groove 144, forms the impression shown among Fig. 9 164 and 166.Ordinary skill is very clear, and impression 164 and 166 can be one or more, can be independently, when perhaps needing, can upset out continuously on sidewall 152.Should also be understood that also available discontinuous mode when succeeding vat 144 needs, promptly a plurality of pits form.Under any circumstance, cup 150 all is fixed up in non-removable mode with nut 134, and cup can push with nut, makes emery wheel 10 be in pressured state.
Making emery wheel 10 be in the required power of pressured state is by the acquisition that is connected between the screw thread 146 of main shaft 14 and nut 134.Should be noted that during with reference to figure 1 that when emery wheel was screwed on the main shaft 14, surperficial 69(can be suitable packing ring, the part of distance piece or main shaft) join with the mode of line contact and the upper surface 170 of sidewall 152 sweeps 162.Like this, because this kind joint, cup is subjected to a downward power.Meanwhile, being meshing with each other between spindle thread 14 and the nut thread 146 pushed nut to cup on one side.Because the surface 172 of flange 154 joins with the surface 174 of support lugn 128, the power of the back side 18 effects by support lugn and emery wheel 10 makes emery wheel be in pressured state, with above the same to the narration of base assembly 60 and gland 90.
When needing, flange 128 and cup 150 can be made an integral body, as shown in figure 12.So compound nut one flange can stamp out desired recessed district 180 by single piece of sheet metal, to adapt to the rise part 24 on the concave emery wheel.Can stretch out the sidewall 184 of cup from the stage casing of body 182, aduncate end 186 be arranged and form above-mentioned arching structure 188.When needing reinforcing ring 190 can also be arranged.
The personnel that are familiar with specialty are appreciated that above and do not need binding agent with the described abrasive wheel assembly of accompanying drawing when making, assemble simple; Compare with adopting the device of casting hub in the prior art, its weight is lighter; Provide fixture to emery wheel and power tool, utilized the extruding force that increases can avoid the rotation of emery wheel, can also find with respect to drive disk assembly, above-mentioned device according to the most preferred embodiment making, very steady during running, not vibration.Its reason is all part accurate centering each other, and each composition surface is parallel to each other during pressurized, has only when emery wheel 10 owing to do not have accurate balance just can cause vibration when making.
Described structure goes for the normal diameter of at present known whole specifications, the concave emery wheel of promptly 4 inches, 4.5 inches, 5 inches, 7 inches and 9 inches.Whole wheel hub one flanged structure of currently used die casting has only 7 inches and 9 inches emery wheels to use and abandons wheel hub, and 4 inches, 4.5 inches and 5 inches emery wheels then use the traditional type biplate erecting device of habitually practising in the above-mentioned prior art.
A kind of disposable emery wheel one drive disk assembly assembly is above disclosed.This assembly is clamping emery wheel securely in the running, and it is in light weight, friction, than prior art to abandon emery wheel inexpensive, meet all existing and known safety standards simultaneously.
Claims (30)
1, a kind of disposable polishing utensil, it comprises that has a front, the polishing member of the back side and first centre bore, disposable use drive disk assembly on threaded rotary main shaft that above-mentioned polishing utensil is fixed to power tool, described drive disk assembly has one and is placed on the above-mentioned polishing member back side, the support lugn of its second through hole and the above-mentioned first centre bore centering, and tapped hold-down nut with nut body, this nut body is contained in the above-mentioned centre bore, an and protruding flange on the one end, this flange is placed on the described front of above-mentioned polishing member, the invention is characterized in that above-mentioned drive disk assembly also has:
The fixture that comprises the described nut body other end, be used for described hold-down nut and described support lugn are installed in above-mentioned polishing member non-dismountablely, needn't use bonding agent, thereby in use when load is applied on the described polishing member, described hold-down nut and described support lugn can be shifted near mutually vertically, push above-mentioned polishing member between the flange of described support lugn and described hold-down nut, thereby got rid of between above-mentioned polishing member and the above-mentioned drive disk assembly rotation in use.
2, disposable use polishing utensil according to claim 1 is characterized in that described fixture comprises outwards outstanding device at least a portion of described second end of described nut body.
3, disposable use polishing utensil according to claim 2 is characterized in that the described part of described nut body includes one by being placed on the continuous loop on the described support lugn.
4, disposable use polishing utensil according to claim 3, described second end that it is characterized in that described nut body is by heading, to form described continuous loop.
5, disposable use polishing utensil according to claim 4, it is characterized in that described support lugn has an inner surface and an outer surface, wherein said inner surface is relative with the described back side of described polishing member, also has a periphery plane, the described back side of the described polishing member of this plane contact, the described outer surface of described support lugn has the rib apparatus that stretches out.
6, disposable use polishing utensil according to claim 5 is characterized in that described rib apparatus comprises the first and second continuous ribs.
7, according to each described disposable use polishing utensil in the claim 1 to 6, it is characterized in that described polishing member is a concave emery wheel.
8, disposable use polishing utensil according to claim 1, it is characterized in that also comprising the device that is placed between described support lugn and the described power tool, when described threaded main shaft pulls to described instrument to described hold-down nut by connecting thread, this device applies power to described support lugn, to realize above-mentioned pushing.
9, disposable use polishing utensil according to claim 8 is characterized in that the device that the described power of applying is used is installed on the described axle.
10, disposable use polishing utensil according to claim 9 is characterized in that the device of the described power of applying loosely is clamped on the described axle, and this device also includes an annulus that is screwed on the described axle, in order to clamp the device of the described power of applying.
11, disposable use polishing utensil according to claim 10, the device that it is characterized in that the described power of applying is a base plate, and one the 3rd centre bore is arranged on it, with described first and second holes centering vertically, also has the ridge device of configuration downwards, in order to contact described support lugn.
12, disposable use polishing utensil according to claim 11, it is characterized in that described base plate defines a cavity between the sub-assembly of described support lugn and nut and described base plate, in use, described second end of described nut can be drawn back in it.
13, disposable use polishing utensil according to claim 8, the device that it is characterized in that the described power of applying is by described support lugn support.
14, disposable use polishing utensil according to claim 13, the device that it is characterized in that the described power of applying is a lid, its part is on the throne by described support lugn clamping at least.
15, disposable use polishing utensil according to claim 14 is characterized in that described lid is made of metal, and loosely is fixed on the described support lugn.
16, disposable use polishing utensil according to claim 14 is characterized in that described lid is made of metal, and non-dismountable is fixed to described support lugn.
17, disposable use polishing utensil according to claim 5, it is characterized in that also comprising a base device, be fixed on the described threaded main shaft, when described polishing utensil is screwed onto on the described rotary main shaft, in order to engage with the outer surface of described support lugn.
18, disposable use polishing utensil according to claim 17, the described outer surface that it is characterized in that described support lugn is extended with rib apparatus, described base device includes a disk, this disk has a first surface that joins with described rib apparatus, also have a device, loosely be clamped on the described axle at following described disk of the situation that does not have described polishing utensil.
19, disposable use polishing utensil according to claim 18 is characterized in that described disk first surface forms continuous ridge device, joins with the mode of line contact and the rib apparatus on the described support lugn basically.
20, disposable use polishing utensil according to claim 19 is characterized in that describedly being used for loosely that the device of the described disk of clamping is an annulus that is made of plastics, and can be screwed on the described main shaft.
21, disposable use polishing utensil according to claim 18 it is characterized in that described rib apparatus comprises the first and second continuous ribs, and described disk comprises first and second ridges, and the mode with the line contact engages with described first and second ribs basically.
22, disposable use polishing utensil according to claim 17 is characterized in that described base device also comprises near the washer arrangement that is installed in the described axle of described power tool.
23, disposable use polishing utensil according to claim 22 is characterized in that described packing ring is to be made by the material that is different from described power tool.
24, disposable use polishing utensil according to claim 23 is characterized in that described material is plastics.
25, disposable use polishing utensil according to claim 24 is characterized in that described material is a kind of selflubricatingpiston.
26, disposable use polishing utensil according to claim 1 is characterized in that also including gland, a central through hole is arranged on it and described lid is fixed to device on the described support lugn.
27, disposable use polishing utensil according to claim 26 is characterized in that described fixture comprises clamping device.
28, disposable use polishing utensil according to claim 27 is characterized in that described gland also comprises a lid, and outstanding overskirt ends on the described clamping device under it.
29, disposable use polishing utensil according to claim 28, it is characterized in that described lid comprises first and second surfaces, when described gland was fixed on the described polishing utensil, its first surface and described power tool axle joined, and its second surface and described support lugn join.
30, disposable use polishing utensil according to claim 29, it is characterized in that described support lugn has an inner surface and an outer surface, the described outer surface of wherein said support lugn stretches out a continuous ribs, and described second surface engages with described ribs.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US847.793 | 1986-04-03 | ||
| US06/847,793 US4694615A (en) | 1986-04-03 | 1986-04-03 | Disposable depressed center grinding wheel having an integral mounting hub |
| US07/005,813 US4754578A (en) | 1986-04-03 | 1987-01-21 | Disposable depressed center grinding wheel having an integral mounting hub including a pressure cap |
| US005.813 | 1987-01-21 | ||
| US005.812 | 1987-01-21 | ||
| US07/005,812 US4760670A (en) | 1986-04-03 | 1987-01-21 | Disposable depressed center grinding wheel having an integral mounting hub |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87102592A CN87102592A (en) | 1987-10-14 |
| CN1008894B true CN1008894B (en) | 1990-07-25 |
Family
ID=27357963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87102592 Expired CN1008894B (en) | 1986-04-03 | 1987-04-03 | Disposable grinding apparatus having integral mounting hub |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0318476A4 (en) |
| JP (1) | JPH01500578A (en) |
| CN (1) | CN1008894B (en) |
| AU (1) | AU595604B2 (en) |
| CA (1) | CA1305860C (en) |
| WO (1) | WO1987005847A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT227168Y1 (en) * | 1992-11-06 | 1997-09-15 | Taf S R L | PERF ABRASIVE DISC GRINDING MACHINES WITH PERFECTED HOOKING DEVICES |
| US20080171498A1 (en) * | 2007-01-12 | 2008-07-17 | Dennis David Woods | Grinding Assemblies for use with Handheld Power Tools |
| US8430725B2 (en) | 2008-12-19 | 2013-04-30 | Jovan Pajovic | Abrasive disc construction |
| CN105415212A (en) * | 2015-11-25 | 2016-03-23 | 宁波大华砂轮有限公司 | Metal wire polishing wheel |
| JP7138452B2 (en) * | 2018-03-01 | 2022-09-16 | 株式会社ディスコ | Flange mechanism |
| CN110052933B (en) * | 2018-06-05 | 2021-04-13 | 弗兰克温特 | Grinding disc assembling and locking system containing glass fiber and angle grinder |
| CN115229696B (en) * | 2022-08-03 | 2023-03-31 | 广东创汇实业有限公司 | Take abrasive wheel cutting piece of fastener |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US489149A (en) * | 1893-01-03 | Construction of emery-wheels and supports therefor | ||
| US872932A (en) * | 1905-12-26 | 1907-12-03 | Lincoln Earnest Hall | Polishing-wheel and mandrel therefor. |
| US2278301A (en) * | 1941-02-12 | 1942-03-31 | Abrasive Company | Grinding wheel |
| US3623281A (en) * | 1969-06-16 | 1971-11-30 | Robert H Moffat | Mounting fixture |
| US3912411A (en) * | 1971-09-22 | 1975-10-14 | Robert H Moffat | Thread latching mechanism |
| US3879178A (en) * | 1973-07-02 | 1975-04-22 | Norton Co | Discard mount for disc type grinding wheel |
| US4322920A (en) * | 1979-10-29 | 1982-04-06 | Wells Raymond E | Rotary floor conditioning machine attachment |
| US4439953A (en) * | 1981-11-16 | 1984-04-03 | Merit Abrasive Products, Inc. | Abrasive disc holder |
| US4449329A (en) * | 1982-08-06 | 1984-05-22 | Black & Decker Inc. | Composite washer assembly |
| US4794737A (en) * | 1987-03-06 | 1989-01-03 | Black & Decker Inc. | Universal backing flange |
-
1987
- 1987-03-27 EP EP19870903007 patent/EP0318476A4/en not_active Ceased
- 1987-03-27 JP JP50260487A patent/JPH01500578A/en active Pending
- 1987-03-27 WO PCT/US1987/000716 patent/WO1987005847A1/en not_active Application Discontinuation
- 1987-03-27 AU AU73014/87A patent/AU595604B2/en not_active Ceased
- 1987-03-31 CA CA000533436A patent/CA1305860C/en not_active Expired - Lifetime
- 1987-04-03 CN CN 87102592 patent/CN1008894B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0318476A4 (en) | 1990-02-20 |
| AU595604B2 (en) | 1990-04-05 |
| EP0318476A1 (en) | 1989-06-07 |
| JPH01500578A (en) | 1989-03-01 |
| CN87102592A (en) | 1987-10-14 |
| AU7301487A (en) | 1987-10-20 |
| CA1305860C (en) | 1992-08-04 |
| WO1987005847A1 (en) | 1987-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |