A kind of drilling and expanding apparatus of stone slab dorsal pore
Technical field:
The present invention relates to processing of stone machinery, particularly a kind of drilling and expanding apparatus of stone slab dorsal pore.
Background technology:
Present domestic installation decorative panel of stone material adopts the steelframe dry-hanging method more, and methods such as back of the body bolt adding additives namely arrange several dorsal pores in the stone slab background, and dorsal pore is the blind hole shape, and the outer section of dorsal pore is isometrical hole, and the dorsal pore inner segment is the reamer blind hole.In the time of fixedly, the back of the body bolt that has reamer head section outside dorsal pore is inserted in, and then clamp-ons binding agent, and binding agent is full of the hole internal clearance and solidifies the back and become a solid-state global shape with back of the body bolt, and its inner segment is linked in for the reamer shape in the reamer blind hole of dorsal pore and gives the stone slab axial limiting.The back of the body bolt other end is fixed on the steelframe, and then the stone slab positioning and fixing can outwards not come off.
The outer sector hole of dorsal pore drills and is placed on a subdrilling blind hole on the drilling machine, then be placed on again and drill interior sector hole on the adjustable eccentric drilling machine, the adjustable eccentric drill bit is disk blade of drilling rod bottom radial expansion, earlier blade is stretched into the isometrical dorsal pore bottom of having bored, operation knife bar axial line skew start rotation blade time the then, then the disk blade is radially outer moves car and makes inner segment reamer blind hole.This law limitation that drills is: clamping twice, eccentric drilling machine drilling rod offsetting mechanism complexity of while, cost of manufacture height.Secondly, it is fast that stone slab drills heating, and drilling machine generally is that the cooling water beam can't be aimed at the bit cutting key position in drill bit side water filling cooling, blade wear intensity height, and cutter life is short.
For this reason, we research and develop and use the angle grinding machine to drill the stone slab dorsal pore.Grinding machine drill bit translation all around in angle is as car grinding stone material plane, also can unidirectional translation as cutting, can also pure boring as rig.Its maximum characteristics are: angle grinding machine cooling water can flow out from hollow boring bit, and cooling water beam point is aimed at the bit cutting key position, and good cooling results reduces the blade wear intensity, prolongs cutter life.
The angle grinding machine is prior art products, and by chassis, bottom holding frame, two guide pillars, sliding beam, entablature, pendulum press mechanism, brill cap, drill bit, main shaft, metal (upper seat, motor, cooling body are formed.The chassis is that H shape bar is tabular, two vertical plate middle benches of H shape bar lath hole is the vertical upright guide pillar of fixing respectively, fit stage clip, sliding beam, entablature successively on two guide pillars, sliding beam both sides symmetrical holes is fixed a slip cap respectively, slip cap is enclosed within on the guide pillar cylindrical movingly, and entablature both sides symmetrical holes is linked in the guide pillar upper end respectively and locks with bolt.The pendulum press mechanism is that a U-shaped depression bar both sides braces middle part fit is hinged on the swivel pin of termination, sliding beam both sides, and two brace follower heads are hinged with connecting rod one termination respectively, and swivel pin corresponding on another termination of connecting rod and the H shape batten is hinged.The metal (upper seat is respectively the step shell-like, docks after being sheathed with radial ball bearing respectively in the metal (upper seat, and main shaft is linked in respectively in the two bearings, and the cover cylindrical fit of topping bar of top chock is fixed in the medium pore of sliding beam; The motor cabinet front end face is implemented to fixedly connected with metal (upper base rear end face, and motor output shaft and main shaft are realized being in transmission connection by a pair of bevel gear; Cooling body is that the cooling water pipe on the motor housing is communicated with the central hollow hole of main shaft, forms runner.
The bottom holding frame is that two blocks of vertical plates of H shape batten outer is fixed a next L shaped plate respectively, a cover unification bolt on the L shaped plate transverse plate, and the workpiece upper and lower end face is clamped in two bolts and two vertical plate lower surfaces of H shape batten.This holding frame defective is: workpiece upper and lower end face clamping face applying degree is poor, clamps not strongly solid.
During operation, motor is paid the drive main axis rotation by bevel gear, and it is descending that the U-shaped depression bar presses down the drive sliding beam, thereby drives top chock, main shaft, the descending enforcement bore operation of drill bit.As long as decontrol the U-shaped depression bar, then push away sliding beam on two stage clips and implement to reset.
Summary of the invention:
The objective of the invention is to overcome above-mentioned defective, a kind of drilling and expanding apparatus of stone slab dorsal pore is provided.
The solution of the present invention is: comprise the angle grinding machine, it is characterized in that: the cover cylindrical of topping bar of angle grinding machine sliding beam medium pore hole enlargement and top chock is possessed radial clearance, and circle was provided with internal thread in top chock was topped bar and overlapped; The sliding beam medium pore fixedly has the last hanging scroll bearing that is the step shell-like of coaxial inner conductor along upper surface, and fit is fixed double row self aligning ball bearings in the last hanging scroll bearing; A beat axle is set, and beat axle stage casing, epimere are six grades of up-small and down-big step axles, and six grades of step axle bottoms are the shaft shoulder of disjunctor, and shaft shoulder lower end is the step external thread sleeve, are sheathed with sealing ring in the step external thread sleeve central blind hole inwall ring groove; Entablature is provided with center through hole, fit is fixed to justify in one and is the transposed sleeve body of internal thread in the center through hole, in the tubular casing, lower external thread is linked in the sleeve body internal thread of can transposing, and be locked on the sleeve body upper surface with a round nut, circle is provided with the ring-shaped step hole in the tubular casing lower port, tubular casing cylindrical top is up-small and down-big three grades of step columns: beat pillow block rank external thread sleeve is twisted to close and is fixed on top chock and tops bar in the cover internal thread, simultaneously the main shaft upper end is enclosed within movingly in the step external thread sleeve central authorities the region between the heart and the diaphragm hole of beat axle, with shaft shoulder end face axial lock-bit, circle is possessed radial clearance in shaft shoulder cylindrical and the last hanging scroll bearing sleeve; Six grades of step axle sleeves of beat axle are combined in the interior circle of double row self aligning ball bearings of hanging scroll bearing, and beat axle level Four step axle is enclosed within the interior circle of tubular casing movingly; Fit is fixed a ball bearing on the beat axle two stage steps axle, and the borehole jack of getting out of a predicament or an embarrassing situation of the step disk body of a handwheel closes and is fixed on the described ball bearing, and double nut is twisted to be combined in and implemented handwheel step disk body lock-bit on the beat axle one-level step axle external screw thread; Handwheel is by the step disk body, wheel shaft, gyroscope wheel, the wheel cover, the wheel tube, handle is formed, step disk body deep bid is provided with a screwed hole, wheel cover hypomere external screw thread is twisted and is combined in the step disk body screwed hole, and use the nut end face lock-bit, circle is stepped hole in the wheel cover, the wheel shaft of a step axle shape is enclosed within the stepped hole of wheel cover movingly, a wheel cover back cover unification gyroscope wheel is stretched out in the wheel shaft bottom, use a nut shaft to lock-bit again, with radial ball bearing as gyroscope wheel, wheel shaft is provided with the central blind hole that opening makes progress, the wheel tube lower external thread of a downward opening cylindrical body shape is twisted and is closed on the internal thread that is fixed on sector hole on the wheel cover stepped hole, simultaneously a compression spring sleeve is combined in wheel tube endoporus and the wheel shaft central blind hole, use shaft block ring behind the wheel tube top cylindrical cover unification sleeve body and following hole is fixed in the downward stepped hole of handle central opening with back-up ring, the smallest radial spacing of distance of round beat axle axial line is less than tubular casing top two stage steps post exradius outside the gyroscope wheel; The transverse plate of two L brackets is separately fixed at top chock shell both sides, and the vertical vertical rod of two L brackets is possessed the symmetry that the gap is enclosed within the sliding beam correspondence and slided in the hole; Angle grinding machine cooling body is that yawing axis Pyatyi step axle is provided with an arc ring groove, the arc ring groove yawing axis Pyatyi step axle of both sides up and down is provided with two seals groove up and down, be sheathed with rubber seal in the described two seals groove, circle is enclosed within on the described three-flute periphery movingly in the sleeve-like overcurrent cover, beat axle hypomere is provided with central blind hole, described central blind hole is communicated with the arc ring groove by radial hole, the overcurrent cover is fixed on the sliding beam by support, the overcurrent cover is provided with the radial hole that is communicated with the orientation corresponding to beat axle arc ring groove, and overcurrent cover radial hole is communicated with cooling water pipe on the motor housing by flexible pipe.
The invention has the advantages that: clamping of brill expansion of stone slab dorsal pore drills to be finished, designs simplification efficient height, good cooling results, the blade wear extent that reduces.
Description of drawings:
Fig. 1 is stone slab back hole structure schematic diagram.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is structural perspective of the present invention.
Fig. 4 is structural representation of the present invention.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the K portion enlarged drawing of Fig. 5.
Fig. 7 is the W portion enlarged drawing of Fig. 5.
Fig. 8 is the vertical view of Fig. 4.
The specific embodiment:
Structure of the present invention comprises the angle grinding machine, it is characterized in that: the cover cylindrical of topping bar of the 2 medium pore hole enlargements of angle grinding machine sliding beam and top chock 1 is possessed radial clearance, and circle was provided with internal thread in top chock 1 was topped bar and overlapped; Sliding beam 2 medium pores fixedly have the last hanging scroll bearing 11 that is the step shell-like of coaxial inner conductor along upper surface, and fits are fixed double row self aligning ball bearings in the last hanging scroll bearing 11; A beat axle 5 is set, and beat axle 5 stage casings, epimere are six grades of up-small and down-big step axles, and six grades of step axle bottoms are the shaft shoulder of disjunctor, and shaft shoulder lower end is the step external thread sleeve, are sheathed with sealing ring in the step external thread sleeve central blind hole inwall ring groove; Entablature 10 is provided with center through hole, fit is fixed to justify in one and is the transposed sleeve body 20 of internal thread in the center through hole, in the tubular casing 8, lower external thread is linked in sleeve body 20 internal threads of can transposing, and be locked on sleeve body 20 upper surfaces of to transpose with a round nut, circle is provided with ring-shaped step hole 26 in tubular casing 8 lower port, and tubular casing 8 cylindrical tops are up-small and down-big three grades of step columns; Beat axle 5 step external thread sleeves are twisted to close and are fixed on top chock 1 and top bar in the cover internal thread, simultaneously main shaft 19 upper ends are enclosed within movingly in the step external thread sleeve central blind hole of beat axle 5, with shaft shoulder end face axial lock-bit, circle is possessed radial clearance in shaft shoulder cylindrical and the last hanging scroll bearing sleeve 11; 5 six grades of step axle sleeves of beat axle are combined in the interior circle of double row self aligning ball bearings of hanging scroll bearing 11, and beat axle 5 level Four step axles 44 are enclosed within the tubular casing 8 interior circles movingly; Fit is fixed a ball bearing on the beat axle 5 two stage steps axles, and the borehole jack of getting out of a predicament or an embarrassing situation of the step disk body 7 of a handwheel closes and is fixed on the described ball bearing, and double nut is twisted to be combined in and implemented handwheel step disk body 7 lock-bits on the beat axle 5 one-level step axle external screw threads; Handwheel is by step disk body 7, wheel shaft, gyroscope wheel 6, the wheel cover, the wheel tube, handle is formed, step disk body 7 deep bids are provided with a screwed hole, wheel cover hypomere external screw thread is twisted and is combined in step disk body 7 screwed holes, and use the nut end face lock-bit, circle is stepped hole in the wheel cover, the wheel shaft of a step axle shape is enclosed within the stepped hole of wheel cover movingly, a wheel cover back cover unification gyroscope wheel 6 is stretched out in the wheel shaft bottom, use a nut shaft to lock-bit again, with radial ball bearing as gyroscope wheel 6, wheel shaft is provided with the central blind hole that opening makes progress, the wheel tube lower external thread of a downward opening cylindrical body shape is twisted and is closed on the internal thread that is fixed on sector hole on the wheel cover stepped hole, simultaneously a compression spring sleeve is combined in wheel tube endoporus and the wheel shaft central blind hole, use shaft block ring behind sleeve body of wheel tube top cylindrical cover platform and be fixed in the downward stepped hole of handle central opening with back-up ring with following hole, the smallest radial spacing of gyroscope wheel 6 outer distance of round beat axle 5 axial lines is less than tubular casing 8 top two stage steps post 55 exradius; The transverse plate of two L brackets is separately fixed at top chock 1 shell both sides, and the vertical vertical rod 21 of two L brackets is possessed the symmetry that the gap is enclosed within sliding beam 2 correspondences and slided in the hole; Angle grinding machine cooling body is that yawing axis Pyatyi step axle is provided with an arc ring groove, the arc ring groove yawing axis Pyatyi step axle of both sides up and down is provided with two seals groove up and down, be sheathed with rubber seal in the described two seals groove, circle is enclosed within on the described three-flute periphery movingly in the sleeve-like overcurrent cover 4, beat axle 5 hypomeres are provided with central blind hole, described central blind hole is communicated with the arc ring groove by radial hole, overcurrent cover 4 is fixed on the sliding beam 2 by support, overcurrent cover 4 is provided with the radial holes that are communicated with the orientation corresponding to beat axle 5 arc ring grooves, and overcurrent overlaps 4 radial holes and is communicated with cooling water pipe on the motor housing 9 by flexible pipe.
During boring, U-shaped depression bar 3 presses down, sliding beam 2 is descending by the shaft shoulder that last hanging scroll bearing 11, double row self aligning ball bearings drive beat axle 5, beat axle 5 is descending by the top chock 1 that docks with the next step external screw thread of its shaft shoulder post, thereby drive main shaft 19, the descending operation of drill bit, beat axle 5 level Four step axles 44 were enclosed within movingly in the tubular casing 8 that is fixed on the entablature 10 and guaranteed axial line perpendicular to sliding beam 2 in the circle this moment, and main shaft 19 is made vertical drilling.And the descending relative axial position of itself and entablature 10 that also makes of beat axle 5 changes, when drill bit puts in place to the dorsal pore tripping operation, the level Four step axle 44 of beat axle 5 glides and also puts in place, then the level Four step axle 44 emaciated face circle in the tubular casing 8 of topping bar enters in the ring-shaped step hole 26 of tubular casing 8 lower ends emptyly, and three grades of step axles 33 are in the tubular casing 8 in the circle.Owing to circle internal diameter differences in three grades of step axle 33 external diameters, the tubular casing 8 have one-sided 1mm gap, the two has one-sided 1mm swing space, and tubular casing 8 is to be threaded with the sleeve body 20 of can transposing, that is to say that tubular casing 8 ring-shaped step holes 26 can regulate initial position height according to the dorsal pore degree of depth, it is empty that level Four step axle 44 is accurately entered in the tubular casing 8 ring-shaped step holes 26.And this moment gyroscope wheel 6 descending the putting in place on the handwheel, since gyroscope wheel 6 cylindricals from the smallest radial spacing of beat axle 5 axial lines less than tubular casing 8 top two stage steps post 55 exradius, this moment, gyroscope wheel 6 cylindrical avris were subjected to the elastic force compressing to withstand on the edge, two stage steps post 55 upper surface on tubular casing 8 tops, this moment, then beat axle 5 was outwards swung in hand-held handwheel handle footpath, main shaft 19 is made disjunctor, the blade one side direction dorsal pore bottom sidewall of main shaft 19 lower ends carry out car system, gyroscope wheel 6 on the handwheel is pasted mutually with its cylindrical by descending tubular casing two stage steps post 55 radial outsides that spring into of elastic force compressing, this moment, hand-held handle rotated a circle, one-sided blade goes out a diameter greater than the reamer hole in isometrical hole, dorsal pore top in dorsal pore bottom turning, and gyroscope wheel 6 pastes mutually to rotate a circle with tubular casing 8 two stage steps posts 55 and guaranteed that the outer deviator of one-sided blade is constant, the reamer hole is isometrical.The circle internal diameters have the gap in three grades of step axle external diameters 33, the tubular casing 8 provides the swing space for beat axle 5, the fixing double row self aligning ball bearings of fit provide the swing space for beat axle 5 in the last hanging scroll bearing 11, circle is possessed radial clearance in beat axle 5 shaft shoulder cylindricals and the last hanging scroll bearing sleeve 11 provides the swing space for beat axle 5, and beat axle 5, brill cap, drill bit, main shaft 19, metal (upper seat, motor, cooling body are made synchronous beat.After finishing, operation decontrols U-shaped depression bar 3, then sliding beam 2 lifting automatically under the stage clip effect of both sides, and beat axle 5 level Four step axles 44 slip into tubular casing 8 inner headed faces, and handwheel also climbs away tubular body thereupon.
The purpose that L bracket is set is to hold top chock, and it can freedom not rotated when operation significantly.The vertical vertical rod 21 of L bracket and symmetry slide the hole, and to possess the gap be to leave the space during to beat axle 5 beats.
The vertical clamp mechanism of bottom holding frame is that 13 two vertical plate lower surfaces of H shape batten are fixed a downward opening U-shaped support 15 respectively, lever plate 23 middle part and U-shaped support 15 are hinged by pivot pin, twist a unification end compression locking double-screw bolt 18 in the screwed hole of 13 two blocks of vertical plates of H shape batten outer end respectively, each locking end compression double-screw bolt 18 bottom withstands on lever plate 23 external end heads, lever plate is fixed a heading bar 22 in 23 other end head thread holes, and heading bar 22 top hemispheres are linked in the discoid ball seat body 14 bottom blind holes.
A rectangle seat board 25 is fixed for indulging between the clamp mechanism both sides U-shaped support 15 by the horizontal top mechanism of bottom holding frame, rectangle seat board 25 central authorities are provided with level to screwed hole, a roof pressure locking double-screw bolt 17 is twisted and is combined in level in screwed hole, rectangle seat board 25 both sides are provided with the both sides level to through hole, behind two band cap round bar 16 fit stage clips, its leading portion bar passes rectangle seat board 25 both sides levels respectively movingly behind through hole, its leading section step external screw thread post is twisted and is combined in the screwed hole that is in inboard rectangular-shaped top plate 24 correspondences, the level that the double-screw bolt of roof pressure locking simultaneously 17 front end step posts are enclosed within rectangular-shaped top plate 24 movingly is in center through hole, and the compressing of two stage clip difference elasticity is between band cap round bar 16 caps and rectangle seat board 25.
Vertical clamp mechanism is lifted lever plate 23 by end compression locking double-screw bolt 18 tops and is made discoid ball seat body 14 upper surface applying stone slabs top be attached to H shape batten 13 lower surfaces and clamp, paste on heading bar 22 hemispheres and blind hole top, discoid ball seat body 14 sphere bottom, discoid ball seat body 14 becomes universal base to be made it the two-sided steady folder of upper surface and stone slab and pastes, not limit partially.And horizontal top mechanism is that level is to the location for rectangular-shaped top plate 24 being withstood on the side, stone slab outer, and integral retaining is fixing more firm.
Fix a tilting side shaft holder respectively in the step both sides, be sheathed with duplex bearing in the side shaft holder medium pore, fix an oblique boring anchor 12 in the circle in the duplex bearing, tiltedly in the circle sidetracking head is installed in the boring anchor 12, tiltedly boring anchor 12 cylindricals are provided with three roads arc-shaped ring groove arranged side by side, each arc-shaped ring groove tightens three rubber rings of cover, the brill cap taper cylindrical elasticity applying of fit on three rubber rings of each oblique boring anchor 12 and the main shaft 19.
Because dorsal pore also will be to two gap slots of dorsal pore appearance face along last turning symmetry after boring reaming, so that the location is used when giving expansion bolt fastening, we also superpose this operation wherein, and two oblique sidetracking heads carry out the gap slot turning operation under the drive of frictional force.Simple in structure easy to operate, save a procedure.