CN102430944B - Device and method for implementing zero theoretical locating errors of key slot dimensions in shaft - Google Patents

Device and method for implementing zero theoretical locating errors of key slot dimensions in shaft Download PDF

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Publication number
CN102430944B
CN102430944B CN201110262169.0A CN201110262169A CN102430944B CN 102430944 B CN102430944 B CN 102430944B CN 201110262169 A CN201110262169 A CN 201110262169A CN 102430944 B CN102430944 B CN 102430944B
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China
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axle
base
cylinder
processed
zero
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CN201110262169.0A
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CN102430944A (en
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顾立志
张海东
李鹏
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Huaqiao University
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Huaqiao University
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Abstract

The invention discloses a device and method for implementing zero theoretical locating errors of key slot dimensions in a shaft. The device comprises a base, a gear transmission mechanism and a shaft locating mechanism, wherein the gear transmission mechanism and the shaft locating mechanism are arranged on the base; the shaft locating mechanism comprises two slope locating pieces, a bottom surface locating piece and a hold-down mechanism; the two slope locating pieces symmetrically and inclinedly form a V slot; the bottom surface locating piece is positioned right below the V slot; the hold-down mechanism is positioned above the V slot; and the two slope locating pieces are connected with the gear transmission mechanism and are driven by the gear transmission mechanism to synchronously overturn. The V slot, which is formed by the two symmetrical slope locating pieces capable of synchronously overturning, the two sides and bottom surface of the fixed bottom surface locating piece locating shaft, and the top surface of the hold-down mechanism locating shaft are utilized to clamp the shaft to be processed. The method and device can simultaneously ensure the ideal precisions of zero dimension error in the key slot depth direction and zero position error of degree of symmetry in the key slot width direction.

Description

Realizing keyway size situation theory position error on axle is zero apparatus and method
Technical field
The present invention relates on axle keyway processing positioning field technology, refer in particular to that a kind of to realize keyway size situation theory position error on axle be zero apparatus and method.
Background technology
As shown in Figure 1, be the cross section processing dimension of keyway 71 on axle 70, width is b, keyway 71 degree of depth are determined with H, need in addition to guarantee the symmetry precision of keyway 71.At present, processing the common targeting scheme of this key grooves 71 has three kinds, is respectively vee-block location, axle location (if axle to be processed is hollow shaft) and fixed bearing face location.As shown in Figure 2, with vee-block location, add man-hour, can guarantee the high-precision symmetry of keyway 71, the site error that makes keyway 71 is zero, but due to the dimensional discrepancy of axle 70 external diameters, can produce the scale error of keyway 71 depth H; As shown in Figure 3, with axle location, add man-hour, due to the dimensional discrepancy of axle 70 internal diameters and the dimensional discrepancy of locating shaft external diameter, can produce the scale error of keyway 71 depth H and the site error of keyway 71 widths simultaneously; As shown in Figure 4, with fixed bearing face location, add man-hour, though can guarantee that the scale error of keyway 71 depth H is zero, due to the dimensional discrepancy of the external diameter of axle 70, can produce the site error of keyway 71 widths.So all there is certain size or site error in above three kinds of locate modes, can not reach scale error and site error and be zero perfect precision, under some occasion, can not meet high-precision processing request.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide that a kind of to realize keyway size situation theory position error on axle be zero apparatus and method, and these apparatus and method can guarantee that the scale error of the degree of depth of keyway and the site error of width of keyway direction symmetry are zero perfect precision simultaneously.
For achieving the above object, the present invention adopts following technical scheme:
It is a kind of that to realize keyway size situation theory position error on axle be zero device, comprise a support and be arranged at gear drive and the axle allocation mechanism on this support, this axle allocation mechanism comprises two contour localization pieces, a bottom surface locating piece and a hold-down mechanism, described two contour localization piece symmetries are formed slopely V-shaped groove, this bottom surface locating piece be positioned at V-shaped groove under, this hold-down mechanism is positioned at the top of V-shaped groove, described two contour localization pieces are connected with gear drive, and synchronously upset under the drive of gear drive.
As a kind of preferred version, described gear drive comprises two synchronous gears that rotate, and these two gear sizes are identical, and the wheel shaft of two gears is connected with two contour localization pieces.
As a kind of preferred version, the both sides, upper end of described two contour localization pieces are extended with chimb back to V-shaped groove, and this chimb is provided with axis hole, and the wheel shaft of aforementioned two gears is located in the axis hole of this chimb simultaneously.
As a kind of preferred version, described two gears are pinion, and this gear drive also further comprises the gear wheel of two formed objects, and these two gear wheels are engaged with each other, and the corresponding and two pinions engagement respectively of two gear wheels.
As a kind of preferred version, described hold-down mechanism is L shaped Anchor plate kit, this L shaped Anchor plate kit comprises base, L shaped compressing member, long threaded rod and with the eccentric wheel of handle, this base is fixed on support, long threaded rod is articulated on base rotationally, is journaled into the top of long threaded rod with the eccentric wheel of handle, and this L shaped pressing plate comprises horizontal pressing plate and the longitudinal pressing plate cover that one connects, this longitudinal pressing plate cover is placed in long threaded rod, and this horizontal pressing plate is pressed in a side of the end face of axle to be processed.
As a kind of preferred version, described hold-down mechanism is location briquetting assembly, this location briquetting assembly comprises cylinder, brace summer, briquetting and two bases, this two base is separately fixed at the both sides of axle to be processed, this cylinder is vertically fixed on brace summer, the piston rod of cylinder is threaded with briquetting, is articulated in to this relative base lateral rotation in brace summer one end wherein on a base; When carrying out axis clamping location, the other end of brace summer rides on another base, and this briquetting is pressed on axle to be processed.
As a kind of preferred version, the described wherein below of a contour localization piece is provided with an automatic adjusting bearing assembly being fixed on support, this can turn round the spring that rests on a higher position while automatically regulating bearing assembly to be provided with a promotion contour localization piece zero load, on this spring, be socketed with supporting nail, this supporting nail is butted on the back side of contour localization piece.
As a kind of preferred version, further include an auxiliary clamp mechanism, this auxiliary clamp mechanism over against axle to be processed be arranged on by the side of support, auxiliary clamp mechanism comprises that gas control moving press plate assembly and V-arrangement regulate bearing assembly, this V-arrangement regulates bearing assembly to be supported on the below of axle to be processed, and this gas control moving press plate assembly is pressed on the top of axle to be processed.
As a kind of preferred version, described gas control moving press plate assembly comprises base, cylinder, double-screw bolt, spring and moving press plate, and this cylinder is fixed in base, and spring is placed on outside double-screw bolt, moving press plate is fixed on double-screw bolt upper end, and double-screw bolt lower end is connected through the top board of base and the piston rod of cylinder; When carrying out axis clamping location, this moving press plate is driven the top that is pressed on axle to be processed by cylinder;
Described V-arrangement regulates bearing assembly to comprise base, vee-block, support column, ejector pin and cylinder; Described base top surface is provided with a longitudinal hole that extends through base end face, is provided with a transverse holes being communicated with longitudinal hole in the side of base, and this support column up and down elasticity is inserted in longitudinal hole actively, and this support column is provided with a draw-in groove over against transverse holes; This vee-block is connected to support column upper end, and cylinder is fixed on base side wall, and ejector pin is placed in transverse holes, the draw-in groove clamping of one end of this ejector pin and support column, and the other end is connected with the piston rod of cylinder; When carrying out axis clamping location, cylinder compression drives ejector pin to move towards cylinder direction, and the end of ejector pin and draw-in groove depart from, and support column elasticity rises, and vee-block holds out against below axle to be processed.
It is a kind of that to realize keyway size situation theory position error on axle be zero method, use two symmetrical inclined-plane locating pieces that can synchronously overturn to form V-shaped groove, with fixing bottom surface locating piece, locate bus under axle to be processed, two contour localization pieces are about crossing the vertical plane height symmetry of axis, axle to be processed is placed in V-shaped groove, utilizes top hold-down mechanism that axle is pressed to it and contact with contour localization piece.
The utility model adopts after technique scheme, and its beneficial effect is:
One, by left and right contour localization piece, bottom surface locating piece and end face hold-down mechanism are treated machining shaft and are positioned, these two contour localization pieces are about crossing the vertical plane height symmetry of axis, and guarantee that by gear drive it synchronously rotates, with this, guarantee the symmetry of the formed V-shaped groove of left and right contour localization piece and eliminated location, thereby when axle is positioned, circumferentially being located by the left and right contour localization piece of bottom surface locating piece and all right one way or the other synchronous swing of axle, V-shaped groove can guarantee the symmetry that keyway is good, bottom surface locating piece can guarantee the dimensional accuracy of the keyway degree of depth, and the hold-down mechanism that utilizes V-shaped groove top is treated machining shaft and is compressed location, reach the size positions position error that has realized theoretically keyway processing and be zero effect, higher than conventional at present several targeting scheme machining accuracies.
Two, add man-hour carrying out axle, upper and lower in axle to be processed is provided with the auxiliary clamp mechanism that regulates bearing assembly to form by gas control moving press plate assembly and V-arrangement over against ground, further treat machining shaft clamping and positioning, provide and treat machining shaft around self axis revolution six constraint in addition, thereby process axis is non-loosening fixedly, improved the machining accuracy of keyway.
Three, this device highly versatile, can be common to the processing of the axle of different-diameter in a big way; These device many places adopt Automatic-clamping in addition, easy and simple to handle, are applicable to produce in enormous quantities; And this apparatus structure is simple, cost is lower, highly versatile, has stronger practicality.
For more clearly setting forth architectural feature of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the cross section processing dimension schematic diagram of keyway on axle;
Fig. 2 is that tradition is used keyway machining sketch chart on the axle of vee-block location;
Fig. 3 is that tradition is used keyway machining sketch chart on the axle of axle location;
Fig. 4 is that tradition is used keyway machining sketch chart on the axle of fixed bearing face location;
Fig. 5 is keyway machining sketch chart on the present invention's the axle of embodiment;
Fig. 6 is the package assembly schematic diagram of grip device in the present invention's embodiment;
Fig. 7 is the decomposition texture schematic diagram of grip device in the present invention's embodiment;
Fig. 8 is the top view of grip device in the present invention's embodiment;
Fig. 9 is the left view of grip device in the present invention's embodiment;
Figure 10 is the sectional view at B-B place in Fig. 9;
Figure 11 is the sectional view at D-D place in Fig. 9;
Figure 12 is the decomposition texture schematic diagram of the present invention's embodiment middle gear transmission component;
Figure 13 regulates the profile of bearing assembly automatically in the present invention's embodiment;
Figure 14 is the package assembly schematic diagram of positioning pressuring plate assembly in the present invention's embodiment;
Figure 15 is that in the present invention's embodiment, V-arrangement regulates bearing assembly profile;
Figure 16 is the profile of the moving press plate assembly of gas control in the present invention's embodiment;
Figure 17 is the profile of hook pressure plate assembly in the present invention's embodiment;
Figure 18 is hook pressure plate assembly right view in the present invention's embodiment.
Accompanying drawing identifier declaration:
10, support 20, axle allocation mechanism
11, backing plate 21, contour localization piece
12, screw 211, V-shaped groove
212, chimb 443, pinion shaft
213, axis hole 444, bearing shell
22, bottom surface locating piece 50, location briquetting assembly
222, arc notch 51, base
30, automatically regulate bearing assembly 52, cylinder
31, base 53, brace summer
32, spring 54, bolt
33, supporting nail 55, briquetting
34, lining 56, the first draw-in groove
35, groove 58, the second draw-in groove
40, gear drive 60, auxiliary clamp mechanism
41, gear wheel 61, moving press plate assembly
42, pinion 611, base
43, canine tooth bearing 612, cylinder
431, support plate 613, screw
432, bolt 614, double-screw bolt
433, bearing cap 615, spring
434, gear wheel axis hole 616, nut
435, gear wheel wheel shaft 617, moving press plate
436, bearing shell 618, accommodating cavity
44, pinion bearing 619, screw
441, support 62, V-arrangement regulate bearing assembly
442, pinion shaft hole 621, base
622, spring 631, transverse holes
623, support column 632, piston rod
624, lining 70, axle
625, door 71, keyway
626, vee-block 80, L shaped Anchor plate kit
627, ejector pin 821, horizontal pressing plate
628, cylinder 822, longitudinal pressing plate cover
629, plug screw
630, longitudinal hole
The specific embodiment
As shown in Fig. 5 to Figure 18, it has demonstrated the concrete structure of the present invention's embodiment, and on this axle, keyway size situation theory position error is that zero grip device (calling grip device in the following text) comprises support 10 and is arranged at axle allocation mechanism 20 on this support 10, gear drive 30, automatically regulates bearing assembly 40, location briquetting assembly 50 and auxiliary clamp mechanism 60.
Particularly, as shown in Figure 7, the surface of described support 10 is equipped with several piece backing plate 11, in the appropriate location of each backing plate 11, is provided with screw 12, and convenient each assembly that forms this grip device is packed on this backing plate 10 by screw.
As shown in Fig. 5 to Fig. 7 and Figure 11, described axle allocation mechanism 20 comprises two contour localization pieces 21, a bottom surface locating piece 22 and a hold-down mechanism, and described two contour localization pieces 21 are flat thin swash plates of all right one way or the other synchronous upset, and this swash plate is preferably the hard metal material of matter.This two swash plates symmetry is formed slopely V-shaped groove 211, swash plate is preferably coarse a little towards the wall of V-shaped groove, with the frictional force between increasing and axle to be processed 70, two chimbs 212 are extended at the top of this swash plate dorsad V-shaped groove 211, this two chimb 212 is provided with axis hole 213, is arranged with pinion shaft 443 in axis hole.
And bottom surface locating piece 22 be positioned at V-shaped groove 211 under, this bottom surface locating piece 22 is fixed by screws on backing plate 11, both sides in these bottom surface locating piece 11 tops near two swash plates are respectively equipped with long arc shape breach 222, this arc notch 222 is parallel with the direction of axis line of axle 70 to be processed, so that its lower end slips in arc notch 222 during contour localization piece 21 upset, can not be stuck on this bottom surface locating piece 22.
Described hold-down mechanism is positioned at the top of V-shaped groove 211, this hold-down mechanism can be L shaped Anchor plate kit 80, in conjunction with Fig. 7 to Fig. 9, Figure 17 and Figure 18, L shaped Anchor plate kit 80 is for compressing the front end face top of axle 70 to be processed, this L shaped Anchor plate kit 80 comprises base, L shaped compressing member, long threaded rod and with the eccentric wheel of handle, this base is fixed on support 10, base top surface middle part is provided with a through hole that extends through bottom surface, long threaded rod is inserted and is stretched in the through hole of base rotationally, this eccentric wheel with handle is journaled into the top of long threaded rod, this L shaped compressing member comprises horizontal pressing plate 821 and the longitudinal pressing plate cover 822 that one connects, this longitudinal pressing plate cover 822 is placed in long threaded rod, and be arranged with a spring being embedded in through hole outward in the long threaded rod that longitudinal pressing plate overlaps 822 belows.Carry out in the process of axle processing, when when horizontal direction moves handle, this L shaped compressing member rotates relative to base with the rotation of handle, thereby laterally pressing plate 821 can rotate by 360 degree centered by base, locks like a cork the anchor point of axle 70 to be processed; When longitudinally moving handle downwards, until handle tilt when downward, under eccentric effect, this spring is locked motionless in elastic compression, L shaped compressing member, and axle 70 to be processed is tightly pushed down by horizontal pressing plate 821; When longitudinally upwards moving handle, until handle and long threaded rod while forming straight line, under eccentric effect, this spring recovers deformation, and axle is unclamped in L shaped compressing member release; Now turning handle is retracted original position by horizontal pressing plate 821 in the horizontal direction again.
Described hold-down mechanism can also be location briquetting assembly 50, and as shown in Fig. 5 to Figure 11 and Figure 14, this locating piece assembly 50 is also the end face that is pressed on axle 70 to be processed, by axle to be processed 70 location.This location briquetting assembly 50 is comprised of base 51, cylinder 52, brace summer 53, bolt 54 and briquetting 55, described base 51 comprises two of left and right, these two lay respectively at axle to be processed 70 both sides, are fixed on following two pinion bearing 44 tops, on this two base 51, be respectively equipped with the first draw-in groove 56 and the second draw-in groove 58, this cylinder 52 is vertically fixed on brace summer 53, briquetting 55 is connected on the piston rod of cylinder 52, these brace summer 53 one end are articulated in wherein on a base 51 by bolt, and this brace summer 53 is base 51 lateral rotation relatively; When carrying out axis clamping location, the other end of brace summer 53 is stuck on the second draw-in groove 58 of another base 51, this briquetting 55 under the effect of cylinder 52, be pressed on axle 70 to be processed above, after axle location, the end of brace summer 53 is stuck on the first draw-in groove 56, and briquetting 55 unclamps axle 70 to be processed and is moved toward by side.
As shown in Fig. 7, Figure 11 and Figure 13, described automatic adjusting bearing assembly 30 is arranged on the wherein below of a contour localization piece 21, this regulates bearing assembly 30 to be comprised of base 31, spring 32, supporting nail 33 and lining 34 automatically, this base 31 is provided with groove 35 towards the wall of contour localization piece 21, this lining 34 is fixed in groove 35 by external screw thread, the bottom that this spring 32 is arranged in supporting nail 33 is embedded in groove 35 simultaneously, one end of this supporting nail 33 is embedded in lining 34, and the other end exposes outside base 31 and is butted on the back side of contour localization piece 21.This supporting nail 33 and spring 32 coordinate can promote contour localization piece 21, contour localization piece 21 can be turned round when zero load and rest on a higher position.
Described gear drive 40 comprises two gear wheels 41 and two pinions 42, for this gear wheel 41 and pinion 42, support 10 is provided with a canine tooth bearing 43 and two and is positioned at the other pinion bearing 44 of canine tooth wheel seat 43 sides, two gear wheels 41 are arranged on gear wheel bearing 43, two pinions 42 are arranged on two pinion bearings 44, and corresponding and two pinions 42 engagements respectively of two gear wheels 41.
Please refer to Fig. 6 to Fig. 8 and Figure 12, this canine tooth wheel seat 43 comprises the support plate 431 of two settings, end face in every support plate 431 is fixed with bearing cap 433 by bolt 432, in support plate 431 and the junction of bearing cap 433, be provided with two gear wheel axis holes 434, in gear wheel axis hole 434, be articulated with gear wheel wheel shaft 435, between gear wheel wheel shaft 435 and gear wheel axis hole 434, be provided with bearing shell 436, two gear wheels 41 are connected to two support plates 431 centres with two gear wheel wheel shafts 435 respectively by flat key, and two gear wheels 41 are intermeshing.
Please refer to Fig. 6 to Fig. 9, described each pinion seat 44 comprises the support 441 of two settings, in the upper end of each support 441, be provided with pinion shaft hole 442, on pinion shaft hole 442, be articulated with the aforementioned pinion shaft 443 being connected on contour localization piece 21, in this pinion shaft 443 and pinion shaft hole 442, be also provided with bearing shell 444; Above-mentioned contour localization piece 21 is sandwiched between two stands 441 by pinion shaft 443, and two pinions 42 are enclosed within respectively in the pinion shaft 443 exposing outside support 441, and each pinion 42 meshes with each gear wheel 41 respectively.
During gear drive 40 normal operation, by two gear wheels 41, drive pinion 42 synchronously to rotate, because two contour localization pieces 21 are connected on pinion shaft 443, therefore can reach two contour localization pieces 21 synchronous rollover effect under the effect of pinion shaft 443.
Described auxiliary clamp mechanism 60 regulates bearing assembly 62 to form by gas control moving press plate assembly 61 and V-arrangement, for fitted shaft detent mechanism 20, axle 70 to be processed is clamped, and is beneficial to that axle is carried out to keyway milling and adds man-hour, and axle 70 to be processed is fixing without mobile.
As shown in Fig. 6 to Figure 10 and Figure 16, described gas control moving press plate assembly 61 is fixedly arranged on by support 10 sides, it is by base 611, cylinder 612, screw 613, double-screw bolt 614, spring 615, nut 616 and moving press plate 617 form, this base is provided with an accommodating cavity 618, the top board of base 611 is provided with a screw 619, moving press plate 617 is fixed on double-screw bolt 614 upper ends by nut 616, in the screw 619 of double-screw bolt 614 lower end inserted bases 611, be connected with the piston rod of cylinder 612, in the accommodating cavity 618 that cylinder 612 is fixed on base 611 by screw 613, this spring 615 is enclosed within on double-screw bolt 614, and be placed between nut 616 and the screw 619 of base 611.During use, it is up and down that cylinder 612 can promote double-screw bolt 614, thereby moving press plate 617 is adjusted to suitable height, axle 70 to be processed compressed.
As shown in figure 15, described V-arrangement regulate bearing assembly 62 be positioned at axle 70 to be processed under, it is over against aforementioned gas control moving press plate assembly 61, and it is comprised of base 621, spring 622, support column 623, lining 624, door 625, vee-block 626, ejector pin 627, cylinder 628 and plug screw 629; The upper surface of described base 621 is provided with a longitudinal hole 630 that extends through base 621 bottom surfaces, in the side of base 621, be provided with a transverse holes 631 being communicated with longitudinal hole 630, plug screw 629 and lining 624 are fixed in the longitudinal hole 630 of base 621, and door 625 is threaded with lining 624; Support column 623 upper ends are connected with vee-block 626, insert in lining 624 lower end, and this support column 623 is provided with a draw-in groove over against transverse holes 631, plug screw 629 jam-packs are in the bottom of longitudinal hole 630, spring 622 is placed between support column 623 and plug screw 629, and cylinder 628 is fixed on the sidewall that base 621 is provided with transverse holes 631, and ejector pin 627 is placed in transverse holes 631, one end of this ejector pin 627 is stuck in the draw-in groove of support column 623, and the other end is connected with the piston rod 632 of cylinder 628.When carrying out axis clamping location, cylinder 628 compressions drive ejector pin 627 to move towards cylinder 628 directions, and the end of ejector pin 627 and draw-in groove depart from, and support column 623 elasticity rise, and vee-block 626 holds out against below axle 70 to be processed.
The assembling process of grip device can complete according to the following steps: first backing plate 11 is fixed on support 10, again bottom surface locating piece 22 and L shaped Anchor plate kit 80 are fixed on backing plate 11, then turn left on the axis hole 213 of right tilted surface locating piece 21 and put pinion shaft 443, then insert respectively in the pinion shaft hole 442 of four supports 441, again support 441 is separately fixed on the backing plate 11 of the right and left, after fixing, again two pinions 42 is separately fixed to the axle head of left and right contour localization piece 21.Adjust again left and right contour localization piece 21 and make its symmetry, then pack gear wheel 41 into, then will automatically regulate bearing assembly 30 to be fixed on backing plate 11 and be positioned at the wherein below of a contour localization piece 21.Then regulate bearing assembly 62 and moving press plate assembly 62 to be fixed on the trailing flank of support 10 V-arrangement, finally location briquetting assembly 50 is fixed on four pinion bearings 44, so complete the assembling of whole grip device.
This grip device location clamping process is as follows: after assembling, first rotational support beam 53, by the briquetting 55 of location briquetting assembly 50 toward inner rotary, is stuck in to its handle in the first draw-in groove 56 of base 51; Described V-arrangement regulates in bearing assembly 62, and the inside indentation of the piston rod 632 of cylinder 628 drives ejector pin 627 to exit, and makes vee-block 626 in quick condition; In described moving press plate assembly 61, the protruding moving press plate 617 that makes of the piston rod of cylinder 612 rises; Unclamp L shaped Anchor plate kit 80.Then axle 70 to be processed is placed on two contour localization pieces 21 and unsteady vee-block 626, axle 70 front ends to be processed contact with bottom surface locating piece 22 vertical planes.Again the brace summer 53 of location briquetting assembly 50 is inwardly rotated, one end of non-handle is stuck in the second draw-in groove 58 of base 51, then open brace summer 53 cylinder 52 above, briquetting 55 is moved down, axle 70 to be processed is pressed down.By the transmission of gear drive 40, left and right contour localization piece 21 can synchronously be arranged, until axle to be processed 70 is depressed into while contacting with bottom surface locating piece 22, stops, and so far completes the location of axle 70 to be processed.Then open cylinder 628, the protruding ejector pin 627 that makes of piston rod 632 withstands support column 623, makes vee-block 626 fixing.Then cylinder 612 work of moving press plate assembly 61, the inside indentation of cylinder 612 piston rod, drives moving press plate 617 to move down, until axle 70 to be processed is clamped.Turning handle 84 again, and pressing plate 231 is pressed down, and make it clamp the front end of axle 70 to be processed.Finally open cylinder 52 again, will on briquetting 55, carry, then rotational support beam 53 drives briquetting 55 to shift out outward again, gets out of the way milling cutter Working position, so just can process keyway.
Realizing keyway size situation theory position error on axle is that zero method is: the mode that adopts V-shaped groove 211 and bottom surface locating piece 22 coupling location, two adjustable ramp locating pieces 21 form V-shaped groove, with bus under fixing bottom surface locating piece 22 locating shafts, two contour localization pieces 21 are symmetrical about the vertical plane height of mistake axis, and can synchronously overturn; Axle 70 to be processed is placed on V-shaped groove 211, utilizes axle 70 top hold-down mechanisms to be processed that axle is pressed to it and contact with bottom surface locating piece 22, stop moving down, then use auxiliary clamp mechanism 60 by axis clamping, carry out the Milling Process of keyway.
Comprehensive, design focal point of the present invention is:
One, by left and right contour localization piece, bottom surface locating piece and end face hold-down mechanism are treated machining shaft and are positioned, and left and right contour localization piece is connected with gear mechanism, thereby circumferentially being located by the left and right contour localization piece of bottom surface locating piece and all right one way or the other synchronous swing of axle, the V-shaped groove that inclined-plane, left and right forms can guarantee the symmetry that keyway is good, bottom surface locating piece can guarantee the dimensional accuracy of key slot depth scale cun H, and directly over V-shaped groove, be provided with compact heap and treat machining shaft and compress location, reach the size positions position error that has realized theoretically keyway processing and be zero effect, higher than conventional at present several targeting scheme machining accuracies.
Two, add man-hour carrying out axle, upper and lower in axle to be processed is provided with the auxiliary clamp mechanism that regulates bearing assembly to form by gas control moving press plate assembly and V-arrangement over against ground, further treat machining shaft clamping and positioning, provide and treat machining shaft around self axis revolution six constraint in addition, so that the fixing non-loosening of process axis, improved the machining accuracy of keyway.
Three, this device highly versatile, can be common to the processing of the axle of different-diameter in a big way; In addition, these device many places adopt Automatic-clamping, easy and simple to handle, are applicable to produce in enormous quantities; Also have, this contrive equipment is simple in structure, cost is lower, highly versatile, has stronger practicality.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, therefore any trickle modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment all still belong in the scope of technical solution of the present invention.

Claims (7)

  1. One kind to realize keyway size situation theory position error on axle be zero device, it is characterized in that: comprise a support and be arranged at gear drive and the axle allocation mechanism on this support, this axle allocation mechanism comprises two contour localization pieces, a bottom surface locating piece and a hold-down mechanism, described two contour localization piece symmetries are formed slopely V-shaped groove, this bottom surface locating piece be positioned at V-shaped groove under, this hold-down mechanism is positioned at the top of V-shaped groove, described two contour localization pieces are connected with gear drive, and synchronously upset under the drive of gear drive;
    Described gear drive comprises two synchronous pinions that rotate, these two pinion sizes are identical, this gear drive also further comprises the gear wheel of two formed objects, and these two gear wheels are engaged with each other, and the corresponding and two pinions engagement respectively of two gear wheels; And the wheel shaft of two pinions is connected with two contour localization pieces, and the both sides, upper end of two contour localization pieces are extended with chimb back to V-shaped groove, and this chimb is provided with axis hole, and the wheel shaft of two pinions is located in the axis hole of this chimb simultaneously.
  2. It is 2. according to claim 1 that to realize keyway size situation theory position error on axle be zero device, it is characterized in that: described hold-down mechanism is L shaped Anchor plate kit, this L shaped Anchor plate kit comprises base, L shaped compressing member, long threaded rod and with the eccentric wheel of handle, this base is fixed on support, long threaded rod is articulated on base rotationally, with the eccentric wheel of handle, be journaled into the top of long threaded rod, this L shaped pressing plate comprises horizontal pressing plate and the longitudinal pressing plate cover that one connects, this longitudinal pressing plate cover is placed in long threaded rod, this horizontal pressing plate is pressed in a side of the end face of axle to be processed.
  3. It is 3. according to claim 1 that to realize keyway size situation theory position error on axle be zero device, it is characterized in that: described hold-down mechanism is location briquetting assembly, this location briquetting assembly comprises cylinder, brace summer, briquetting and two bases, this two base is separately fixed at the both sides of axle to be processed, this cylinder is vertically fixed on brace summer, the piston rod of cylinder is threaded with briquetting, is articulated in to this relative base lateral rotation in brace summer one end wherein on a base; When carrying out axis clamping location, the other end of brace summer rides on another base, and this briquetting is pressed on axle to be processed.
  4. It is 4. according to claim 1 that to realize keyway size situation theory position error on axle be zero device, it is characterized in that: the described wherein below of a contour localization piece is provided with an automatic adjusting bearing assembly being fixed on support, this can turn round the spring that rests on a higher position while automatically regulating bearing assembly to be provided with a promotion contour localization piece zero load, on this spring, be socketed with supporting nail, this supporting nail is butted on the back side of contour localization piece.
  5. It is 5. according to claim 1 that to realize keyway size situation theory position error on axle be zero device, it is characterized in that: further include an auxiliary clamp mechanism, this auxiliary clamp mechanism over against axle to be processed be arranged on by the side of support, auxiliary clamp mechanism comprises that gas control moving press plate assembly and V-arrangement regulate bearing assembly, this V-arrangement regulates bearing assembly to be supported on the below of axle to be processed, and this gas control moving press plate assembly is pressed on the top of axle to be processed.
  6. It is 6. according to claim 5 that to realize keyway size situation theory position error on axle be zero device, it is characterized in that: described gas control moving press plate assembly comprises base, cylinder, double-screw bolt, spring and moving press plate, this cylinder is fixed in base, spring is placed on outside double-screw bolt, moving press plate is fixed on double-screw bolt upper end, and double-screw bolt lower end is connected through the top board of base and the piston rod of cylinder; When carrying out axis clamping location, this moving press plate is driven the top that is pressed on axle to be processed by cylinder;
    Described V-arrangement regulates bearing assembly to comprise base, vee-block, support column, ejector pin and cylinder; Described base top surface is provided with a longitudinal hole that extends through base end face, is provided with a transverse holes being communicated with longitudinal hole in the side of base, and this support column up and down elasticity is inserted in longitudinal hole actively, and this support column is provided with a draw-in groove over against transverse holes; This vee-block is connected to support column upper end, and cylinder is fixed on base side wall, and ejector pin is placed in transverse holes, the draw-in groove clamping of one end of this ejector pin and support column, and the other end is connected with the piston rod of cylinder; When carrying out axis clamping location, cylinder compression drives ejector pin to move towards cylinder direction, and the end of ejector pin and draw-in groove depart from, and support column elasticity rises, and vee-block holds out against below axle to be processed.
  7. One kind to realize keyway size situation theory position error on axle be zero method, it is characterized in that: use two symmetrical inclined-plane locating pieces that can synchronously overturn to form V-shaped groove, with fixing bottom surface locating piece, locate bus under axle to be processed, two contour localization pieces are about crossing the vertical plane height symmetry of axis, axle to be processed is placed in V-shaped groove, utilizes top hold-down mechanism that axle is pressed to it and contact with contour localization piece.
CN201110262169.0A 2011-09-06 2011-09-06 Device and method for implementing zero theoretical locating errors of key slot dimensions in shaft Expired - Fee Related CN102430944B (en)

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CN102909668B (en) * 2012-10-16 2015-02-25 华侨大学 Couple-part symmetry-degree zero-error positioning device
CN103252666B (en) * 2013-05-19 2016-04-20 河南省西峡汽车水泵股份有限公司 Novel exhaust manifold supercharging flange connecting hole positioner and drilling and positioning method
CN103486944B (en) * 2013-10-09 2016-04-13 河南柴油机重工有限责任公司 Measure method and the device thereof of high-precision shaft key groove depth error
CN104043984B (en) * 2014-06-12 2017-01-18 浙江工业大学 Clamp for drilling
CN105014438A (en) * 2015-08-19 2015-11-04 安徽合力股份有限公司 Fixture with elastic clamping mechanism
CN107825377B (en) * 2017-09-15 2019-09-27 大连理工大学 A kind of 180 ° of overturning and positioning devices of high-precision and Method of Adjustment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201220355Y (en) * 2008-07-14 2009-04-15 许晓华 Mill-turn machining fixture for shaft extension keyway
CN101862857A (en) * 2010-05-12 2010-10-20 长沙正科机电科技有限公司 Self-alignment cutting device for irregular ellipsiod

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61241010A (en) * 1985-04-15 1986-10-27 Hino Motors Ltd Key way machining device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201220355Y (en) * 2008-07-14 2009-04-15 许晓华 Mill-turn machining fixture for shaft extension keyway
CN101862857A (en) * 2010-05-12 2010-10-20 长沙正科机电科技有限公司 Self-alignment cutting device for irregular ellipsiod

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