CN103495914B - Full-automatic inner circle facing attachment - Google Patents
Full-automatic inner circle facing attachment Download PDFInfo
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- CN103495914B CN103495914B CN201310365039.9A CN201310365039A CN103495914B CN 103495914 B CN103495914 B CN 103495914B CN 201310365039 A CN201310365039 A CN 201310365039A CN 103495914 B CN103495914 B CN 103495914B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
Abstract
The invention provides a kind of full-automatic inner circle facing attachment, it comprises: base; Workpiece locating mechanism, is positioned on described base, for positioning workpieces to carry out grinding; First grinding head mechanism, the second grinding head mechanism, be located on described base, and lay respectively at the both sides of described workpiece locating mechanism, for grinding work piece inner circle respectively to form interior rounded corner; It is characterized in that, described first grinding head mechanism and the relative described workpiece locating mechanism of described second grinding head mechanism are lateral symmetry and setting of longitudinally staggering, with in grinding work piece process not in the same time alignment pieces inner circle carry out grinding.Two grinding head mechanisms stagger by the present invention, and non-concurrent grinding work piece, vibration can be reduced, not only interior rounded corner automation can be successfully applied to neodymium iron boron processing, and the close occasion of other industry can be applied to, realize the automation of workpiece inner circle and chamfer machining in enormous quantities.
Description
Technical field
The present invention relates to machining equipment technical field, particularly relate to a kind of full-automatic inner circle facing attachment being applicable to the interior rounded corner of all kinds of workpiece.
Background technology
Usually, in order to reduce stress, attractive in appearance or matching requirements etc., the figurate parts of multiclass tool all have chamfering.Such as, before neodymium iron boron product plating, the chamfering of carrying out in various degree is needed.At present, the neodymium iron boron product chamfer process of band inner circle mainly relies on vibration beveler: by grinding stone together with Product mix, and vibration makes it move, and is rubbed, thus make corner angle round and smooth by control grinding stone and product.This chamfering mode makes that inner bore chamfering is little and outer rib chamfering is large, and control comparatively fuzzy, its chamfering effect is statistically consistent, in fact often there is the phenomenon that chamfer dimesion distribution is not concentrated, individual difference is large, to the chamfering poor effect of inner circle, be only applicable to the less demanding occasion of chamfering.
Along with the rise of rare earth price and the development of neodymium iron boron industry, more and more higher to the requirement of product processing quality, require to coordinate the morpheme of product or reach best electroplating effect, meticulousr requirement is proposed to the size of chamfering, angle, radian, uniformity.Thus, chamfer machining is carried out to single product and become inevitable.At present, chamfering is carried out to inner circle and mainly rely on manual completing: feeding, location, fixed product, control the feed of bistrique or cutter, grinding, withdrawing, and turn-over is reprocessed.This chamfering mode effect is better, but inefficiency, and cost of labor is high.
For the inefficient present situation of manual inner bore chamfering, existing relevant automation equipment and new design at present, such as, number of patent application be 201020558303.2 automatic chamfering machine for inner holes automatically can complete the loading and unloading of the inner-outer sleeve pipe fitting of electronic component and jack part, stepping walks the chamfering process operation simultaneously of material, clamping, location beveler bilateral.Be applicable to chamfering and require the occasion low, material is softer; And for versatile material especially NdFeB material, still do not possess Practical Condition.
In sum, first, existing manual chamfering mode has following defect:
1, inefficiency, personnel and management cost high.
2, manual operations is difficult to control individual difference, and cause because operation technique, dynamics, time etc. hold degree varies, cause chamfer dimesion to differ, uniformity is poor, low qualified.
3, there is potential safety hazard in free-hand operation around cutter during manual operations.
4, chamfering dust forms occupational health threat to operating personnel.
Secondly, above-mentioned automatic chamfering machine for inner holes has following deficiency:
1, for crisp hard material (such as NdFeB material), vibration feeding mode easily causes a large amount of cylindrical and knocks limit.
2, after its feeding clip mechanism fixation workpiece, drill bit advances, and both positions are all fixing, requires position highly overlaps.In fact the vibration in the error of feeding clip mechanism action, the skew of drilling bit high-speed rotation and chamfer process, make positioning precision cannot meet coincidence requirement, therefore chamfering is uneven, multi-eccentric.
3, chamfering feed mode is soft not, for crisp hard material, easily causes inner circle to knock limit.
4, the mode of two bistrique subtend chamfering, has forward and reverse power to act on workpiece simultaneously when grinding, Workpiece vibration is large, easily produce bump injury and chamfering irregular.
Summary of the invention
For above-mentioned deficiency, the invention provides a kind of full-automatic inner circle facing attachment, at least have forward and reverse power to act on workpiece in solution inner circle chamfer machining process simultaneously and cause the problems such as Workpiece vibration is large.
In order to solve the problem, the invention provides a kind of full-automatic inner circle facing attachment, it comprises: base; Workpiece locating mechanism, is positioned on described base, for positioning workpieces to carry out grinding; First grinding head mechanism, the second grinding head mechanism, be located on described base, and lay respectively at the both sides of described workpiece locating mechanism, for grinding work piece inner circle respectively to form interior rounded corner; It is characterized in that, described first grinding head mechanism and the relative described workpiece locating mechanism of described second grinding head mechanism are lateral symmetry and setting of longitudinally staggering, with in grinding work piece process not in the same time alignment pieces inner circle carry out grinding.
Preferably, also comprise: charging mechanism, be located on described base, and the charging aperture of the discharging opening of described charging mechanism and described workpiece locating mechanism is corresponding, for providing workpiece to described workpiece locating mechanism.
Preferably, described workpiece locating mechanism comprises: support, is located on described base; Reclaimer robot, is located on described support, for obtaining workpiece movably; Grinding slideway, is fixed on described base, and is positioned at below described reclaimer robot; Described grinding slideway is provided with along its length for holding workpiece and the groove of rectangular in cross-section, the two side of described groove is respectively equipped with a chamfered bore, and described chamfered bore is greater than the inner circle of described workpiece; Described first grinding head mechanism, the second grinding head mechanism are positioned at the both sides of described guide rail, and the described chamfered bore of the corresponding described groove two side of the bistrique of described first grinding head mechanism, the second grinding head mechanism difference, to stretch into the inner circle of workpiece described in grinding in described chamfered bore.
Preferably, described first grinding head mechanism, the second grinding head mechanism structure are identical, comprise respectively: bistrique, tapered, for grinding work piece inner circle; Bistrique bar, front end is connected to the rear end face of described bistrique; Line slideway, is fixed on described base; Motor, is fixed on the slide unit of described line slideway; Bearing, is fixed on the slide unit of described line slideway; Bistrique sleeve, is fixed on described bearing inner race, and rear end is connected with the output shaft of described motor by a yielding coupling; The middle part of described bistrique sleeve is provided with bistrique fixing hole, and described bistrique bar is provided with the locating slot extended along its length; Pretightning force supply part, be arranged in described bistrique sleeve, the rear end of described bistrique bar is inserted in described bistrique sleeve and described pretightning force supply part, and a screw passes described bistrique fixing hole and inserts in described locating slot, makes described pretightning force supply part provide pretightning force to described bistrique bar; Bistrique drives cylinder, is fixed on described base, and described bistrique drives the piston rod of cylinder to be connected to the slide unit of described line slideway.Preferred pretightning force supply part is spring.
Preferably, described first grinding head mechanism or described second grinding head mechanism also comprise: hold-down ring bearing, is positioned at the leading flank of described bearing; Hold-down ring inner ring, in tubular, rear end is connected to described hold-down ring bearing, and rear end outer wall is provided with screw thread; Adjustable ring, is threadedly connected on the screw thread of the rear end of described hold-down ring inner ring; Hold-down ring outer ring, in tubular, front end surface is for being pressed on around workpiece inner circle, and rear end end face supports the front end surface at described adjustable ring; Described hold-down ring outer ring adjustable ground is sheathed on described hold-down ring inner ring, and described bistrique bar is through described hold-down ring inner ring.
Preferably, described charging mechanism comprises: code charging tray, is fixed on described base, is obliquely installed, for piling up workpiece; Stirring dish, the long plate shape tilted in upper surface, and the lowest edge of described code charging tray is close, for accepting the workpiece on described code charging tray; Feeding track, is positioned at an edge of stirring dish, for accepting the workpiece of described stirring dish conveying; Feed appliance, is located at described feeding track, for the workpiece on described feeding track is delivered to described workpiece locating mechanism; Stirring cylinder, is positioned at below described stirring dish, for driving described stirring dish to rise, falls into described feeding track to make the workpiece in described stirring dish.
Preferably, described charging mechanism also comprises: feeding cylinder, is positioned at below described feeding track; Described feeding track upper surface is provided with the V-shaped groove structure extended along its length, the groove structural base of described feeding track is provided with gap, described feed appliance is connected with described feeding cylinder by described gap, promotes workpiece move to described workpiece locating mechanism under described feeding cylinder drives along described gap.
Preferably, described reclaimer robot comprises: horizontal movement cylinder, is located on described support; Move both vertically cylinder, is located on described horizontal movement cylinder, to move horizontally; Point stripping and slicing, top be located at described in move both vertically vertically to move on cylinder, for obtaining workpiece from described charging mechanism and being positioned in described grinding slideway.
Preferably, described point of stripping and slicing is tabular, and the top of described point of stripping and slicing is thicker than bottom, and the bottom of described point of stripping and slicing is provided with the class semicircular opening for holding workpiece, and diameter, the degree of depth of described class semicircular opening are large compared with diameter of work.
Preferably, described class semicircular opening is two, the distance between two described class semicircular opening centers equal two described chamfered bore centers spacing, distance between the charging aperture center of described workpiece locating mechanism and adjacent described chamfered bore.
Two grinding head mechanisms stagger by the present invention, and non-concurrent grinding work piece, vibration can be reduced, not only interior rounded corner automation can be successfully applied to neodymium iron boron processing, and the close occasion of other industry can be applied to, realize the automation of workpiece inner circle and chamfer machining in enormous quantities.Realize the automation of interior rounded corner, mass, increase work efficiency, liberate manpower, cut down finished cost.Preferably, the present invention also has the following advantages: reduce the friction between workpiece and collision, stop to knock limit; Making chamfer process soft, realizing grinding by pine to tightly seamlessly transitting, reduce and collapse limit phenomenon, ensure that chamfering angle size is consistent; Eliminate the phenomenon of chamfering bias; Dust etc. in physical protection, suppression grinding process is carried out to grinding position.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of the embodiment of the present invention;
Fig. 2 is that schematic diagram is looked on the right side of the embodiment of the present invention;
Fig. 3 is the schematic front view of the embodiment of the present invention;
Fig. 4 is the structural representation of the grinding head mechanism of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1-Figure 3, the embodiment of the present invention comprises base 1, workpiece locating mechanism, the first grinding head mechanism 9, second grinding head mechanism 10.Wherein, base 1 is in tabular, preferably, adopt the thick stainless steel of about 10mm, on it, the mounting-positioning holes of each parts is tapped blind hole, under water on guarantee base 1 can not be seeped into by locating hole, affect the device below base 1, such as, may be located at the electric control system in the cabinet below base 1.
Workpiece locating mechanism is positioned on base 1, for positioning workpieces 12 to carry out grinding.It has the function of crawl and fixation workpiece 12.
First grinding head mechanism 9, second grinding head mechanism 10 has identical structure, be located at the both sides of the grinding slideway 4 of workpiece locating mechanism respectively, and be fixed on base 1, first grinding head mechanism 9, second grinding head mechanism 10 adopts the design of non-coaxial symmetry, first grinding head mechanism 9, the transverse direction of the relative grinding slideway 4 of the second grinding head mechanism 10 is symmetrical arranged, longitudinal then the certain distance that staggers, aim at the center of two chamfered bore 14 on grinding slideway 4 respectively, to make slice work-piece 12 when chamfering, there will not be the first grinding head mechanism 9, two bistriques of the second grinding head mechanism 10 stretch in the inner circle of workpiece 12 simultaneously and contact with each other, meanwhile, two bistriques can also be avoided cannot to produce the problem of chamfering bias completely with one heart, and the same workpiece 12 of minimizing two bistriques grinding simultaneously produce the phenomenon of acutely colliding with.
In order to improve automatization level, the embodiment of the present invention also comprises charging mechanism, and charging mechanism is located on base 1, and the charging aperture 41 of discharging opening and workpiece locating mechanism is corresponding, for providing workpiece to workpiece locating mechanism.As depicted in figs. 1 and 2, charging mechanism comprises yard charging tray 5, stirring dish 6, feeding track 7, feed appliance 8, stirring cylinder 13, feeding cylinder 16.
Code charging tray 5 is fixed on base 1, is obliquely installed, for piling up workpiece 12.The long plate shape that stirring dish 6 tilts for upper surface or the rectangular slab for tilting to prevent, the lowest edge of the long limit of one and code charging tray 5 is close, for accepting the workpiece 12 on yard charging tray 5.Feeding track 7 is close with another long limit of stirring dish 6 along its length, for accepting the workpiece 12 that stirring dish 6 is carried.Feed appliance 8 is located on feeding track 7, and as Fig. 2, feed appliance is racket shape substantially, and larger one end is used for the charging aperture 41 pushed to by the workpiece 12 on feeding track 7 on the grinding slideway 4 of workpiece locating mechanism.Stirring cylinder 13 is positioned at below stirring dish 6, for driving stirring dish 6 to rise, falls into feeding track 7 to make the workpiece 12 in stirring dish 6.
As shown in Figure 2, the upper surface of code charging tray 5 tilts to feeding track 7.Stirring dish 6 is at code charging tray 5 lowest part, and be similar to a portable plate separated separately, its end face is concordant with the bottom surface of code charging tray 5, and bottom is connected with stirring cylinder 13.During action, stirring cylinder 13 jack-up stirring dish 6, because stirring dish 6 end face has certain slope, the workpiece 12 above it is taken advantage of a situation and is rolled or slip in feeding track 7.Then stirring cylinder 13 drives stirring dish 6 to fall, and under gravity, entirety moves to the lower the workpiece 12 piled up in code charging tray 5, and the workpiece 12 of most next row just in time falls in stirring dish 6, so repeatedly.
In order to drive feed appliance 8, charging mechanism also comprises feeding cylinder 16.As Fig. 2, feeding cylinder 16 is positioned at below feeding track 7.As Fig. 1, feeding track 7 upper surface is provided with the V-shaped groove structure 71 extended along its length, and the end of groove structure 71 is the discharging opening of charging mechanism.Be provided with gap bottom the groove structure 71 of feeding track 7, the tiny portion, lower end of feed appliance 8 is connected with feeding cylinder 16 by gap, promotes the grinding slideway 4 of workpiece 12 along groove structure 71 to workpiece locating mechanism move under feeding cylinder 16 drives along gap.
In the present embodiment, feeding track 7 frictional force that adopts V-shaped groove structure 71 can reduce in feeding process.Preferably, feeding cylinder 16 adopts band guide rail and has the Rodless cylinder of internal damping function.At the two ends of this feeding cylinder 16, magnetic switch, gas cushion and position adjustment bolt are installed, its slide unit can be put in place in accurate, soft stop, ensure the repeatability that feeding cylinder 16 moves and service life.
As shown in Figure 1, Figure 2 and Fig. 3, the workpiece locating mechanism of the present embodiment comprises support 2, reclaimer robot, grinding slideway 4.
Support 2 adopts door type structure, is bolted on base 1, as the support of reclaimer robot.Reclaimer robot, is located on support 2 movably, for acquisition, positioning workpieces 12.Grinding slideway 4 is fixed on base 1, and is positioned at below reclaimer robot.As shown in Figure 3, grinding slideway 4 is provided with along its length for holding workpiece 12 and the groove 42 of rectangular in cross-section, as Fig. 2, the two side of groove 42 is respectively equipped with a chamfered bore 14, and chamfered bore 14 is greater than the inner circle of workpiece 12.The chamfered bore 14 of bistrique 17 difference respective slot 42 two side of the first grinding head mechanism 9, second grinding head mechanism 10, to stretch into the inner circle of grinding work piece 12 in chamfered bore 14.
As shown in Figure 1, Figure 2 and Fig. 3, reclaimer robot comprises horizontal movement cylinder 3, the cylinder 15 that moves both vertically, point stripping and slicing 11.Horizontal movement cylinder 3 is bolted on support 2, and preferably, horizontal movement cylinder 3 adopts the Rodless cylinder of band guide rail, and the cylinder 15 that moves both vertically adopts the cylinder (band magnet ring) of tape spool guide rod, is fixed on the slide unit of horizontal movement cylinder 3.Vertically to move on the slide unit dividing stripping and slicing 11 to be fixed on the cylinder 15 that moves both vertically, for obtaining workpiece from charging mechanism and being positioned to the chamfered bore 14 of the groove 42 of grinding slideway 4.More preferably, horizontal movement cylinder 3, the cylinder 15 that moves both vertically all select the cylinder with internal damping function, and magnetic switch, gas cushion and position adjustment bolt are installed at the two ends of cylinder, its slide unit can be put in place in accurate, soft stop, ensure repeatability and the service life of motion.
If point stripping and slicing 11 is in tabular, and its top is thicker than bottom, and bottom is provided with the class semicircular opening 111 for holding workpiece, and diameter, the degree of depth of class semicircular opening 111 are large compared with workpiece 12 diameter.In order to raise the efficiency, bottom has two class semicircular openings 111.Distance between two class semicircular opening 111 centers equal two chamfered bore 14 centers spacing, distance between charging aperture 41 center of workpiece locating mechanism and adjacent chamfered bore 14 (chamfered bore that the first grinding head mechanism 9 is corresponding).
Preferably, point stripping and slicing 11 top, with screw, coordinates the installation dimension of the slide unit of the cylinder 15 that moves both vertically.The diameter of two class semicircular openings 111 comparatively treats that chamfering workpiece is slightly large, comparatively workpiece 12 diameter is slightly large for the degree of depth, facilitate the incision of workpiece 12, after ensureing that class semicircular opening 111 cut by workpiece 12, certain activity space can be had, the action in coordinating the automatic adjustment component in grinding head mechanism described later to look for.More preferably, the opening part comparatively upper diameter large about 1/4 of class semicircular opening 111, and level and smooth chamfering, when cutting workpiece 12, even if there is a deviation workpiece 12 position, also can import easily in class semicircular opening 111, avoid wedge angle to collide with to workpiece 12 and produce damage.Divide the facade of stripping and slicing 11, be designed with certain gradient, be also bottom thin and top is thick, preferably, the thickness of bottom is advisable with 1/2 of workpiece 12 thickness, when cutting workpiece 12, can not take away more than one piece workpiece 12 simultaneously, and not easily colliding with grinding slideway 4.
Preferably, as Fig. 3, grinding slideway 4 comprise unlabelled T-shaped grinding station, two pieces back to rectangular L shape backup plate.The upper edge of T-shaped grinding station with treat the lower to concordant of chamfering workpiece 12 in feeding track 7, be bolted on base 1, its bilateral symmetry is distributed with 4 elongated holes.On the bottom surface of two pieces L shape backup plate, the elongated hole of corresponding T-shaped grinding station distributes two screws respectively, is arranged in T-shaped grinding station by bolt, forms groove 42 therebetween.According to the thickness of workpiece 12, utilize the elongated hole of grinding station, the spacing of symmetrical adjustment two pieces L shape backup plate, can adapt to different workpiece.
Preferably, as shown in Figure 2, two chamfered bore 14 lay respectively on the facade of two L shape backup plates, and chamfered bore 14 spacing is equal with the centre-to-centre spacing of the class semicircular opening 111 of point stripping and slicing 11, and diameter is between the inside and outside circular diameter of chamfering workpiece 12.Comparatively workpiece 12 is large for the charging aperture 41 arranged at the end of the backup plate closing on feeding track 7, makes to treat that chamfering workpiece 12 can enter in grinding slideway 4 smoothly in feeding track 7.
As shown in Figure 4, the first grinding head mechanism that structure is identical, the second grinding head mechanism comprise respectively: bistrique 17, bistrique bar 18, locating slot 19, hold-down ring outer ring 20, water inlet U-type groove 21, hold-down ring fixing hole 22, hold-down ring inner ring 23, adjustable ring 24, inner ring adjustment screw thread 25, bistrique sleeve 26, bistrique fixing hole 27, preloading spring 28, hold-down ring bearing 29, bearing 30, rolling linear guide 31, yielding coupling 32, grinding motor 33, bistrique propulsion cylinder 34.
Rolling linear guide 31 and bistrique propulsion cylinder 34 are fixed on base 1; Grinding motor 33 and bearing 30 are arranged on the slide unit of rolling linear guide 31; The piston rod of bistrique propulsion cylinder 34 is connected with the slide unit of rolling linear guide 31, drives the feeding of bistrique 17 and steps back.
On the bistrique bar 18 connecting bistrique 17, drive long hole shape locating slot 19; During installation, first preloading spring 28 is loaded bistrique sleeve 26, then bistrique bar 18 is loaded, and aim at locating slot 19 and bistrique fixing hole 27, tighten after passing with screw; Bistrique sleeve 26 is fixed on bearing 30 inner ring, and is connected with grinding motor 33 axle by yielding coupling 32.
Hold-down ring has inside and outside two circles: hold-down ring outer ring 20, hold-down ring inner ring 23.Fine clearance is had to closely cooperate between Internal and external cycle.Hold-down ring bearing 29 is positioned at the leading flank of bearing 30; Hold-down ring inner ring 23 is in tubular, and rear end is connected to hold-down ring bearing 29, and rear end outer wall is provided with inner ring adjustment screw thread 25; Adjustable ring 24 is threadedly connected on the inner ring adjustment screw thread 25 of the rear end of hold-down ring inner ring 23; Hold-down ring outer ring 20 is in tubular, and front end surface is for being pressed on around workpiece inner circle, and rear end end face supports the front end surface at adjustable ring 24; Hold-down ring outer ring 20 adjustable ground is sheathed on hold-down ring inner ring 23, and bistrique bar 18 is through hold-down ring inner ring 23.
Hold-down ring inner ring 23 stage casing arranges adjustable ring 24, and afterbody has inner ring to adjust screw thread 25, can coordinate the hold-down ring bearing 29 be fixed on 30, bearing, drive screw thread to adjust the position of hold-down ring inner ring 23 by rotating adjustment ring 24.Fixing hole 22 mantle fiber of hold-down ring outer ring 20, screw is screwed into dieback inner ring, fixing position, outer ring.
Preferably, at hold-down ring outer ring 20 tip designs water inlet U-type groove 21 and fixing hole 22, slot and be conducive to water outflow in bottom.
During the present embodiment application, processed workpiece 12 is piled up at code charging tray 5, by stirring dish 6, workpiece 12 is sent in feeding track 7 in batches, feed appliance 8 shifts workpiece 12 onto grinding slideway 4, stripping and slicing 11 is divided to fall, snapped in by workpiece 12 in the class semicircular opening 111 on the right side in Fig. 2, drive workpiece 12 to move along the groove 42 in grinding slideway 4, the class semicircular opening 111 to left side aligns chamfered bore 14; First grinding head mechanism 9, second grinding head mechanism 10 action, promotes bistrique 17 toward dome in workpiece 12, and workpiece 12, to adapt to bistrique 17, on hold-down ring outer ring 20 is pushed up afterwards, is fixed on the backup plate of grinding slideway 4 by workpiece 12 automatic adjusting position under propulsive force.Complete after fixing, grinding motor 33 rotates, and starts grinding work piece 12, controls the size of chamfering by controlling the grinding time.The grinding time is full, stripping and slicing 11 is divided to return, the class semicircular opening 111 on right side snaps in new workpiece, the class semicircular opening 111 in left side snaps in the workpiece 1 on the firm complete right side of chamfering of bistrique 17 of first grinding head mechanism 9 on right side, the chamfered bore 14 that the class semicircular opening 111 dividing stripping and slicing 11 to move to left side aligns also carries out grinding, and do action realizes workpiece 12 inner circle Double-side rounding.
When there being material in feeding track 7, workpiece 12 is pushed to the charging aperture 41 of grinding slideway 4 end by feed appliance 8, after dividing stripping and slicing 11 to arrive feeding position, feed appliance 8 unclamps, point stripping and slicing 11 is cut and after taking away first workpiece 12, feed appliance 8 promotes workpiece 12 again, makes next workpiece 12 enter the end charging aperture 41 of grinding slideway 4; When feed appliance 8 arrives the terminal position of feeding track 7, namely think that feeding guide 4 is interior and lack material, need be reinforced toward feeding track 7 from code charging tray 5.Now stirring cylinder 13 drives stirring dish 6 by first row workpiece 12 jack-up, and workpiece 12 is taken advantage of a situation under gravity to slide and rolled in feeding track 7; After stirring dish 6 resets, the workpiece 12 in code charging tray 5 is automatically sliding is under gravity rolled to bottom.Geo-stationary between workpiece 12, completes material loading by the rolling of entirety and slip, and when overcoming vibration feeding, between workpiece, phase mutual friction easily produces the deficiency of knocking limit.
Process from above-mentioned:
Two bistrique modules adopt the design of non-concentric symmetry, and slice work-piece, when chamfering, there will not be two bistriques to stretch into the phenomenon contacted with each other in inner circle simultaneously; Meanwhile, can also avoid two bistriques cannot produce completely with one heart chamfering bias problem, reduce two bistriques simultaneously the same workpiece of grinding produce the phenomenon of acutely colliding with.
Owing to being provided with preloading spring 28 (i.e. pretightning force supply part between bistrique bar 18 and bistrique sleeve 26, except above-mentioned spring, also can be that other can provide pretightning force, play the elastomeric element of pretension effect), between grinding motor 33 axle and bearing 30, install yielding coupling 32 additional.By the pretightning force effect of preloading spring 28, making grinding process soft, realizing grinding by pine to tightly seamlessly transitting, reduce and collapse limit phenomenon; Grinding force is relatively stable, ensure that chamfering angle size is consistent.
The bistrique 17 of taper or arc and the tubulose hold-down ring outer ring 20 of bottom side openings, bistrique bar 18 is inserted in bistrique sleeve 26, fix through locating slot on bistrique bar 18 19 with screw, make bistrique 17 connect bistrique bar 18 and rotate, and can horizontal direction activity in bistrique bar 18.During chamfering, forward, bistrique 17 foremost first heads in the inner circle of workpiece 12 whole grinding head mechanism, and because bistrique 17 has tapered feature, therefore workpiece 12 meeting automatic adjusting position is to adapt to bistrique 17 center; Bistrique 17 continues forward, until hold-down ring outer ring 20 is through chamfered bore 14 workpiece pressing 12, is fixed; Now, bistrique 17 starts rotation and carries out grinding, thus eccentricity issues when solving grinding.
Horizontal movement cylinder 3, the cylinder 15 that moves both vertically, bistrique module propulsion cylinder 31 all configure gas cushion, have certain cushioning effect during action, reduce impact strength.All right installation site, target location sensor, and extreme position adjusting nut, the stop position of adjustment motion.
Hold-down ring inner ring 23 there is adjustable ring 24, the maximum magnitude of grinding can be controlled by adjustment, thus control grinding size.
Hold-down ring outer ring 20 is enclosed within outside bistrique 17, and protection grinding position does not affect by unexpected, also prevents personnel's Body contact bistrique in work, has stopped this type of industrial accident; A water inlet U-type groove 21 is left on the top of hold-down ring outer ring 20, and cooling fluid flows to bistrique 17 via U-type groove 21, the dust in grinding process and cooling fluid can be suppressed to disperse, also can strengthen cooling effect.
In other embodiments, motor can be replaced by air pump, reach the object of bistrique high-speed rotation equally; Each action executing cylinder all can make into use driven by motor belt or screw mandrel to realize.Preloading spring can have flexible object with other and replace, and can reach pretension effect.Can increase work efficiency further by increasing each number of components (such as grinding head motor quantity etc.), multi-disc can carry out the function of grinding.
In sum, the present invention can carry out in enormous quantities various types of materials, rounded corner operation in automation, and method of operating is simple, and production efficiency is high, and chamfering is effective, and application scenario is wide.Specifically, following advantage can be obtained:
Avoid both sides to process same workpiece simultaneously, reduce vibration.
Automatic feed mechanism adopts roll mode, reduces the friction between workpiece and collision, significantly reduces and knocks limit quantity.
The bistrique of adjustable, band pretightning force makes chamfer process soft, realizing grinding by pine to tightly seamlessly transitting, reducing and collapsing limit phenomenon, ensures that chamfering angle size is consistent.Also can be applicable to the material of the various characteristics comprising crisp and hard material (for neodymium iron boron), there is the versatility between industry.
Workpiece can adapt to bistrique automatically, automatically adjusts relative position during the course, eliminates chamfering eccentric.
Dust in physical protection, suppression grinding process is carried out to grinding position.
The workpiece of plurality of specifications can be processed, only need change corresponding grinding track and bistrique.
Cost is low, power consumption less, take up an area little, be applicable to group operation, significantly reduce production cost.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (10)
1. a full-automatic inner circle facing attachment, comprising:
Base;
Workpiece locating mechanism, is positioned on described base, for positioning workpieces to carry out grinding;
First grinding head mechanism, the second grinding head mechanism, be located on described base, and lay respectively at the both sides of described workpiece locating mechanism, for grinding work piece inner circle respectively to form interior rounded corner;
It is characterized in that, described first grinding head mechanism and the relative described workpiece locating mechanism of described second grinding head mechanism are lateral symmetry and setting of longitudinally staggering, with in grinding work piece process not in the same time alignment pieces inner circle carry out grinding;
Described first grinding head mechanism, the second grinding head mechanism structure are identical, comprise respectively:
Bistrique, tapered, for grinding work piece inner circle;
Bistrique bar, front end is connected to the rear end face of described bistrique;
Line slideway, is fixed on described base;
Motor, is fixed on the slide unit of described line slideway;
Bearing, is fixed on the slide unit of described line slideway;
Bistrique sleeve, is fixed on described bearing inner race, and rear end is connected with the output shaft of described motor by a yielding coupling; The middle part of described bistrique sleeve is provided with bistrique fixing hole, and described bistrique bar is provided with the locating slot extended along its length;
Pretightning force supply part, be arranged in described bistrique sleeve, the rear end of described bistrique bar is inserted in described bistrique sleeve and described pretightning force supply part, and a screw passes described bistrique fixing hole and inserts in described locating slot, makes described pretightning force supply part provide pretightning force to described bistrique bar;
Bistrique drives cylinder, is fixed on described base, and described bistrique drives the piston rod of cylinder to be connected to the slide unit of described line slideway.
2. full-automatic inner circle facing attachment according to claim 1, is characterized in that, also comprise:
Charging mechanism, is located on described base, and the charging aperture of the discharging opening of described charging mechanism and described workpiece locating mechanism is corresponding, for providing workpiece to described workpiece locating mechanism.
3. full-automatic inner circle facing attachment according to claim 2, it is characterized in that, described workpiece locating mechanism comprises:
Support, is located on described base;
Reclaimer robot, is located on described support, for obtaining workpiece movably;
Grinding slideway, is fixed on described base, and is positioned at below described reclaimer robot;
Described grinding slideway is provided with along its length for holding workpiece and the groove of rectangular in cross-section, the two side of described groove is respectively equipped with a chamfered bore, and described chamfered bore is greater than the inner circle of described workpiece;
Described first grinding head mechanism, the second grinding head mechanism are positioned at the both sides of described guide rail, and the described chamfered bore of the corresponding described groove two side of the bistrique of described first grinding head mechanism, the second grinding head mechanism difference, to stretch into the inner circle of workpiece described in grinding in described chamfered bore.
4. full-automatic inner circle facing attachment according to claim 1, is characterized in that, described first grinding head mechanism or described second grinding head mechanism also comprise:
Hold-down ring bearing, is positioned at the leading flank of described bearing;
Hold-down ring inner ring, in tubular, rear end is connected to described hold-down ring bearing, and rear end outer wall is provided with screw thread;
Adjustable ring, is threadedly connected on the screw thread of the rear end of described hold-down ring inner ring;
Hold-down ring outer ring, in tubular, front end surface is for being pressed on around workpiece inner circle, and rear end end face supports the front end surface at described adjustable ring;
Described hold-down ring outer ring adjustable ground is sheathed on described hold-down ring inner ring, and described bistrique bar is through described hold-down ring inner ring.
5. full-automatic inner circle facing attachment according to claim 2, it is characterized in that, described charging mechanism comprises:
Code charging tray, is fixed on described base, is obliquely installed, for piling up workpiece;
Stirring dish, the long plate shape tilted in upper surface, and the lowest edge of described code charging tray is close, for accepting the workpiece on described code charging tray;
Feeding track, is positioned at an edge of stirring dish, for accepting the workpiece of described stirring dish conveying;
Feed appliance, is located at described feeding track, for the workpiece on described feeding track is delivered to described workpiece locating mechanism;
Stirring cylinder, is positioned at below described stirring dish, for driving described stirring dish to rise, falls into described feeding track to make the workpiece in described stirring dish.
6. full-automatic inner circle facing attachment according to claim 5, it is characterized in that, described charging mechanism also comprises:
Feeding cylinder, is positioned at below described feeding track;
Described feeding track upper surface is provided with the V-shaped groove structure extended along its length, the groove structural base of described feeding track is provided with gap, described feed appliance is connected with described feeding cylinder by described gap, promotes workpiece move to described workpiece locating mechanism under described feeding cylinder drives along described gap.
7. full-automatic inner circle facing attachment according to claim 3, it is characterized in that, described reclaimer robot comprises:
Horizontal movement cylinder, is located on described support;
Move both vertically cylinder, is located on described horizontal movement cylinder, to move horizontally;
Point stripping and slicing, top be located at described in move both vertically vertically to move on cylinder, for obtaining workpiece from described charging mechanism and being positioned in described grinding slideway.
8. full-automatic inner circle facing attachment according to claim 7, it is characterized in that, described point of stripping and slicing is tabular, and the top of described point of stripping and slicing is thicker than bottom, the bottom of described point of stripping and slicing is provided with the class semicircular opening for holding workpiece, and diameter, the degree of depth of described class semicircular opening are large compared with diameter of work.
9. full-automatic inner circle facing attachment according to claim 8, it is characterized in that, described class semicircular opening is two, the distance between two described class semicircular opening centers equal two described chamfered bore centers spacing, distance between the charging aperture center of described workpiece locating mechanism and adjacent described chamfered bore.
10. full-automatic inner circle facing attachment according to claim 1, is characterized in that, described pretightning force supply part is spring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310365039.9A CN103495914B (en) | 2013-08-20 | 2013-08-20 | Full-automatic inner circle facing attachment |
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| CN201310365039.9A CN103495914B (en) | 2013-08-20 | 2013-08-20 | Full-automatic inner circle facing attachment |
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| CN103495914B true CN103495914B (en) | 2015-09-23 |
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| CN105234762A (en) * | 2015-10-19 | 2016-01-13 | 宁波可可磁业有限公司 | Chamfering machine for chamfering four parallel edges of square neodymium iron boron block |
| CN105643427A (en) * | 2015-12-29 | 2016-06-08 | 苏州市诚品精密机械有限公司 | Multifunctional fine grinding device |
| CN106113282B (en) * | 2016-08-29 | 2018-03-09 | 王国彪 | Tile carving tiling carving machine |
| CN107855607B (en) * | 2017-12-01 | 2023-04-25 | 浙江辛子精工机械股份有限公司 | Automatic chamfering machine for bearing ring |
| CN107952983B (en) * | 2017-12-26 | 2023-06-02 | 重庆市江津区津星机械有限责任公司 | Round tube chamfering equipment |
| CN110091003B (en) * | 2019-05-14 | 2024-04-05 | 柳州欧维姆机械股份有限公司 | Chamfering equipment for double-sided excircle of round workpiece |
| CN111558485B (en) * | 2020-05-28 | 2021-11-30 | 江苏赛弗密封科技有限公司 | Metal framework spraying equipment |
| CN111604695B (en) * | 2020-06-03 | 2021-07-16 | 苏州聚慧邦信息科技有限公司 | Old and useless tubular product cutting rust cleaning device |
| CN111975567A (en) * | 2020-09-22 | 2020-11-24 | 安徽国康体育用品有限公司 | Table tennis bat bottom plate side grinding device |
| CN113894852B (en) * | 2021-12-09 | 2022-03-29 | 杭州爱科科技股份有限公司 | Control method of cutting equipment |
| CN115570448B (en) * | 2022-11-15 | 2023-03-10 | 泰州市大明不锈钢有限公司 | Deburring device for angle steel production |
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| US3121980A (en) * | 1962-08-08 | 1964-02-25 | Bendix Corp | Automatic chamfering machine |
| JPS60207755A (en) * | 1984-03-30 | 1985-10-19 | Hitachi Metals Ltd | Chamfering work apparatus |
| JP4322760B2 (en) * | 2004-09-14 | 2009-09-02 | 株式会社育良精機製作所 | Bar feeder |
| CN2848467Y (en) * | 2005-11-03 | 2006-12-20 | 广东科达机电股份有限公司 | Chamfer grinding head |
| CN201006573Y (en) * | 2007-03-02 | 2008-01-16 | 明门实业股份有限公司 | Machine for installing spring sheet on pipe fitting |
| CN201082471Y (en) * | 2007-07-23 | 2008-07-09 | 仪征市润扬机械厂 | Full-automatic inner chamfering machine |
| CN202498420U (en) * | 2012-02-10 | 2012-10-24 | 右任磁电（徐州）有限公司 | Radial cylindrical magnet two-end automatic chamfering device |
| CN102848279B (en) * | 2012-08-10 | 2015-05-20 | 浙江腾云制冷科技有限公司 | Full-automatic bidirectional pipe interior-exterior angle chamfering machine |
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