CN100488656C - Apparatus for forming projections for triggering device on flywheel, and method of forming projections for triggering device - Google Patents
Apparatus for forming projections for triggering device on flywheel, and method of forming projections for triggering device Download PDFInfo
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- CN100488656C CN100488656C CNB2005800214654A CN200580021465A CN100488656C CN 100488656 C CN100488656 C CN 100488656C CN B2005800214654 A CNB2005800214654 A CN B2005800214654A CN 200580021465 A CN200580021465 A CN 200580021465A CN 100488656 C CN100488656 C CN 100488656C
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- guide body
- yoke
- projection
- inboard
- aid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/06—Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming
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- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
An apparatus for hammer-forming triggering projections that are used to obtain a trigger signal, where the projections are formed on the outer periphery of a tube section of a yoke that has the bottom and a tubular shape. The apparatus is constructed so as to form the projections with good workability and without spoiling the roundness of the yoke. The apparatus (7) for forming triggering projections has an inner guide body (10) butted against the inner periphery of a yoke tube section (2a), a punch (11) for hammering out the projections, the punch being provided at the inner guide body (10) so as to be able to come out and retract in a hammering out direction, and an outer guide body (20) for butting and pressing a butting surface (20a), in which a groove (20b) for taking the punch (11) is formed, against the outer surface of the yoke tube section (20a). An auxiliary guide body (12) extending to the outside of the tube of a yoke (2) is connected to the inner guide body (10), and hammering force of the outer guide body (20) is taken by that portion of the auxiliary guide body (12) which is outside the tube of the yoke (2).
Description
Technical field
The present invention relates to be installed on the rotating shaft, be used to detect trigger on the flywheel of rotation status with the building mortion of projection and trigger manufacturing process with projection.
Background technology
Usually, in this flywheel, have following flywheel, promptly, in the tube portion that forms the yoke of bottomless drum shape (ヨ-Network), week permanent magnet is set, simultaneously, form a plurality of, projections of being used to obtain flop signal side-prominent to external diameter, be the trigger projection at Zhou Fangxiang from tube portion outer peripheral face, such flywheel is embedded on the rotating shaft of driver integratedly, on the other hand, with the tube portion of yoke sensor is set relatively, utilizes the magnetized projection of this sensor to detect the rotation status (driving condition of driver) of rotating shaft by detection.As in the tube portion of the yoke that constitutes such flywheel, forming the method for trigger with projection, following several schemes have been proposed, that is, prepare projection separately, utilize integral method such as bonding agent to be installed to the method for yoke tube portion, or compact cylinder portion, form the method for projection etc.But, because projection forms on the outer peripheral face of the yoke that is embedded in rotating shaft outside, therefore, requirement forms projection with the state that does not destroy yoke circularity, especially under the situation of drawing, often produce the situation of following the distortion of yoke tube portion, need not destroy the method for circularity.
As its ameliorative measure, has method (for example the spy opens clear 57-148568 communique) simple and that qurer forms, that is, by forming first stamping procedure of acute angle shape projection in the tube portion of yoke and second stamping procedure that this acute angle shape protrusion-shaped is in the arc-shaped forms.
But, because above-mentioned existing method is to carry out the punching press action by drift in the tube of yoke, therefore can not guarantee big stamping press, in advance in first stamping procedure, form to the outside diameter projection of outstanding acute angle shape significantly, make this projection in second stamping procedure, keep out of the way internal side diameter, form circular arc, by such formation trigger projection (limit).Therefore need twice stamping procedure, have the many problems of flow chart.And, in first punch process of the big projection that forms acute angle shape, parts without any guiding pressing direction front, destroyed the circularity of yoke tube portion, even in second stamping procedure by repairing from two side directed these impaired circularity, because have the problem of resilience etc. also to be difficult to fully repair, this is the problem that the present invention need solve.
Summary of the invention
The present invention is exactly In view of the foregoing, is that purpose proposes to address these problems, the invention of technical scheme 1 is the building mortion that the trigger on a kind of flywheel is used projection, be used for tube portion periphery in the yoke that bottomless drum shape is arranged that constitutes flywheel, form a plurality of, trigger projections of being used to obtain flop signal side-prominent in circumferential punching press to external diameter, this building mortion has: inboard guide body, projection punching press drift and guided outside body, interior all butts of described inboard guide body and yoke tube portion; Described projection punching press can be arranged on this inboard guide body at pressing direction with drift with freely advancing and retreat; Described guided outside body be formed with this drift of supporting support slot, by with the bearing surface of the periphery butt of yoke tube portion to the tube portion of yoke pressurize, the punching press projection, be connected with on the described inboard guide body to the outer aid in guide body that extends of the tube of yoke, utilizing the tube aid in guide body outward of yoke to bear the projection stamping press of guided outside body.
And, by forming such structure, the stamping press that the guided outside body produces can be set for very big, an available pressurized operation and under the state of the circularity of guaranteeing yoke, form projection.
The invention of technical scheme 2 is in technical scheme 1, and the aid in guide body bears stamping press from the guided outside body by spring, by constituting in this wise, the stamping press of guided outside body can be set for very big.
The invention of technical scheme 3 is in technical scheme 1 or 2, and the aid in guide body by constituting in this wise, can further be guaranteed the circularity of yoke by being wholely set the outside aid in guide body pressurization on the guided outside body.
In the invention of technical scheme 4 each in technical scheme 1 to 3, drift is wholely set on the outer fixed guide body of the tube that is fixed in yoke, by formation in this wise, stamping press can be set for very big.
In the invention of technical scheme 5 each in technical scheme 1 to 4, rotating guide body can be arranged on the inboard guide body with freely relatively rotating, yoke is assembled on the inboard guide body by rotating guide body, by constituting the operation that yoke is rotated with respect to inboard guide body in this wise.
The invention of technical scheme 6 is provided with positioner between rotation guide body and inboard guide body in technical scheme 5, this positioner rotates the location of guide body with respect to inboard guide body.By constituting in this wise, can form and make its rotation under the locational state yoke being positioned at projection.
The invention of technical scheme 7 is in technical scheme 6, and positioner is related with the compression motion of guided outside body, by constituting in this wise, and can be correctly and form projection effectively.
The invention of technical scheme 8 is manufacturing process that the trigger on a kind of flywheel is used projection, adopt building mortion, be used for tube portion periphery in the yoke that bottomless drum shape is arranged that constitutes flywheel, form a plurality of in circumferential punching press to the side-prominent trigger projection of external diameter, and this building mortion has: inboard guide body, projection punching press drift, guided outside body and aid in guide body, interior all butts of described inboard guide body and yoke tube portion; Described projection punching press can be arranged on this inboard guide body at pressing direction with drift with freely advancing and retreat; Described guided outside body be formed with this drift of supporting support slot, by with the bearing surface of the periphery butt of yoke tube portion to the tube portion of yoke pressurize, the punching press projection; Described aid in guide body is connected with above-mentioned inboard guide body and extends outside the tube of yoke, after on the inboard guide body that yoke is arranged under the not outstanding state of drift, to yoke periphery pressurization, drawing projection, utilize the outer aid in guide body of tube of yoke to bear the stamping press of this guided outside body then the guided outside body.
And, by forming such structure, the stamping press that the guided outside body produces can be set for very big, an available pressurized operation and under the state of guaranteeing yoke circularity, form projection.
According to the invention of technical scheme 1, the stamping press that the guided outside body can be produced be set for very big, an available pressurized operation and form projection under the state of guaranteeing yoke circularity.
According to the invention of technical scheme 2, the stamping press of guided outside body can be set for very big.
According to the invention of technical scheme 3, can further guarantee the circularity of yoke.
According to the invention of technical scheme 4, stamping press can be set for very big.
According to the invention of technical scheme 5, the operation that yoke is rotated with respect to inboard guide body.
According to the invention of technical scheme 6, can form and make its rotation under the locational state yoke being positioned at projection.
According to the invention of technical scheme 7, can be correctly and form projection effectively.
According to the invention of technical scheme 8, the stamping press that the guided outside body can be produced be set for very big, an available pressurized operation and form projection under the state of guaranteeing yoke circularity.
Description of drawings
Fig. 1 (A), (B) represent front view, the X-X profile of flywheel respectively.
Fig. 2 (A), (B) represent front view, the X-X profile of yoke respectively.
Fig. 3 is the side sectional view of expression trigger with the building mortion of projection.
Fig. 4 is the vertical view of expression trigger with the building mortion of projection.
Fig. 5 is the front view of expression trigger with the building mortion of projection.
Fig. 6 is that expression constitutes the upward view of trigger with the movable side component of the building mortion of projection.
Fig. 7 is the expansion side sectional view that the main position of the punching press action of being undertaken by drift is described.
The specific embodiment
Followingly describe with regard to embodiments of the present invention according to Fig. 1～Fig. 7.
In the drawings, the 1st, the flywheel on the outer bent axle that is embedded in the motor bike engine, the yoke 2 that constitutes this flywheel 1 has formed bottomless drum shape by strong magnetic material (for example iron), the inner peripheral surface of the 2a of tube portion of this yoke 2 is provided with magnet carrier 3 by integral methods such as bonding agents, and is fixing many to permanent magnet 4 by the bracket pin 3a supporting of this magnet carrier 3 and the open side that is arranged on the yoke tube 2a of portion.
And, on the tube bottom 2b of the yoke 2 that constitutes flywheel 1, form the concentric position relation and offer through hole 2c with axle center with the 2a of tube portion, on the lateral surface of tube bottom 2b, be wholely set propeller boss plate 5.Above-mentioned propeller boss plate 5 is made of the board 5a of circular plate type and the axle center part and the outer propeller boss tube 5b of portion that is embedded on the yoke through hole 2c that are positioned at this board 5a.On above-mentioned board 5a and yoke tube bottom 2b, offer a plurality of riveted joints with through hole 5c, 2d, carry out riveted and fixed with through hole 5c, 2d, make yoke 2 and propeller boss plate 5 integrated by rivet 6 is inserted logical these riveted joints.And, the propeller boss tube 5b of portion under one is fixed on state on the yoke 2, outstanding from yoke through hole 2c to tube portion 2a inboard (towards tube bottom 2b side), this hole 5d forms more open side, the more little tilted shape in tube aperture to the yoke tube 2a of portion, and, on the 5d of tube hole, be carved with keyway 5e.The flywheel 1 of Gou Chenging like this by the propeller boss tube 5b of portion is embedded on the bent axle outward via above-mentioned keyway 5e, and is connected with spline shape and bent axle.
And, on the outer peripheral face of the yoke tube 2a of portion, Zhou Fangxiang form a plurality of to external diameter side-prominent and on direction of principal axis long trigger projection 2e.These projections 2e have regulation angle intervals (be in the present embodiment 30 degree) be formed on the Zhou Fangxiang, and, be not on the whole circumference of the 2a of tube portion but in the angular ranges of 240 degree, form suitable number (being 9 in the present embodiment).And, flywheel 1 is to be assembled in by the necessary parts with permanent magnet 4 grades in advance projection 2e drawing to be constituted on the yoke on the periphery of the 2a of tube portion 2, as like this trigger being formed on method on the yoke tube 2a of portion with projection 2e, using and implement the building mortion 7 of trigger of the present invention with projection.
Fixed guide body 9 of the present invention is set and from the inboard guide body 10 of the inner peripheral surface butt of inboard and the yoke tube 2a of portion on the fixed base 8 as the fixation side that constitutes above-mentioned building mortion 7.
That is, the tetragonal rear end side position of fixed guide body 9 (being the position in left side in the side sectional view of Fig. 3) 9a as the position of the mounting direction front of yoke 2, the set bolt 8a one by above-below direction is fixed on the fixed base 8.On the other hand, the front position 9b of fixed guide body 9 form and above the fixed base 8 between exist under the state of certain clearance, by this gap that the lower portion of the yoke tube 2a of portion is packed into, can be embedded in the state assembling yoke 2 on the 9b of front position in addition.And, the recess 9c that is used for the fixing drift 11 of the present invention of one is arranged with towards the rear at above-mentioned front position 9b, above-mentioned drift 11 is made of the base portion 11a of the rectangle of bottom and body 11b outstanding upward from the upper surface of this base portion 11a and that be used for forming in yoke 2 projection 2e, and the base portion 11a of rectangle is fixed on the said fixing guide body recess 9c by set bolt 9d.And under the stationary state of above-mentioned drift 11, body 11b is outstanding upward above front position 9b (fixed guide body 9), and simultaneously, the front end face of the front end face of drift 11 and fixed guide body 9 forms the roughly state on same plane.
On the other hand, above-mentioned inboard guide body 10 has guiding body 10b, this guiding body 10b for the identical curvature of inner peripheral surface that has except the inner peripheral surface butt of the lower portion of the yoke tube 2a of portion with the yoke tube 2a of portion, and will have arc surface 10a than the dark longer front and back length of the tube of yoke 2 as outer peripheral face.And the 10d of plectane portion is integrally formed on the inboard guide body 10, and the 10d of this plectane portion has the front end that is positioned at above-mentioned guiding body 10b, the shaft hub 10c concentric with the yoke 2 of outer embedding.And the square recess 10e of formation lower opening on guiding body 10b simultaneously, but forms the through hole 10f that drift body 11b easy on and off moves.And, as described later, when packing drift body 11b into inboard guide body 10 to insert all the mode of hole 10f, the extraterrestrial build-in of above-mentioned recess 10e loose fit is decided the front position 9b of guide body 9, and the back of the 10d of plectane portion and the front of drift 11 are approaching and setting relatively, and inboard guide body 10 can be carried out relatively moving of above-below direction with fixed guide body 9.
And, aid in guide body 12 one of the present invention are connected the rear end face of the guiding body 10b of above-mentioned inboard guide body 10 by the method that tights a bolt etc.Above-mentioned aid in guide body 12 has with above the upside tangent line co-located of inboard guide body arc surface 10a in the front view of the building mortion 7 of Fig. 5, be made of the long body that has to about yoke 2 12a of supporting slice portion that extends.And aid in guide body 12 forms and is formed on the identical shaped recess 12b of recess 10e on the guiding body 10b below, and the rear end side position 9a of fixed guide body 9 is with embedded shape and this recess 12b loose fit.And on the 12a of the left and right sides of aid in guide body 12 supporting slice portion, respectively with the loose fit shape and prevent that the mode that comes off is through with each a pair of guiding bolt 12c, the base end part of this guiding bolt 12c is fixed on the fixed base 8.And, below aid in guide body 12 and between above the fixed base 8, the long helical spring 13 of above-below direction is embedded in outside respectively and respectively guides on the bolt 12c outside, like this, aid in guide body 12 and one are connected inboard guide body 10 1 on this aid in guide body 12 and coexist and be supported on the fixed base 8 under the state of the supporting that is subjected to helical spring 13.
At this, trigger with the building mortion 7 of projection under the non-action status that the parts of movable side described later do not move, adjust helical spring 13 (dotted line with Fig. 7 is represented), make the upper end that is wholely set on fixed guide body 9, connects the drift body 11b of inboard guide body 10 form the state of not giving prominence to (for example roughly same state) from the aid in guide body 12 and the upper surface of inboard guide body 10.
And, under above-mentioned non-action status, between the upper surface of each recess 10e, 12b of inboard guide body 10 and aid in guide body 12 and fixed guide body 9, form the gap S of above-below direction, this gap S set for to have allow inboard guide body 10 and aid in guide body 12, set the above-below direction size of this gap S for overhang greater than projection 2e downwards towards the punching press amounts of fixed guide body 9 side shiftings.
And, rotation guide body 14 is set in the place ahead of inboard guide body 10.Above-mentioned rotation guide body 14 has diameter less than the 14a of plectane portion of the circular plate type of the external diameter of the inboard guide body plectane 10d of portion with from the forwards outstanding 14b of carrying cylinder portion in the axle center of the 14a of this plectane portion.And, with inboard guide body shaft hub 10c with can be freely in relative rotation state be embedded in the rearward end of the above-mentioned carrying cylinder 14b of portion, can assemble with the concentric position relation rotating guide body 14 and the inboard guide body plectane 10d of portion.
In addition, rotating guide body 14 and inboard guide body 10 inserts from the place ahead of the 14b of carrying cylinder portion, by screwing togather in the tube that can freely connect a front end of interior connecting bolt 15 and shaft hub 10c, rotate guide body 14 and inboard guide body 10 with state connection in relative rotation freely with relatively rotating.At this moment, the head 15a of connecting bolt 15 and the stage portion 14c butt that is formed in the 14b of carrying cylinder portion prevent to rotate guide body 14 thus and forwards come off from inboard guide body 10.
And alignment pin 16 is relative with through hole 2d with two places among the through hole 2d, that set in advance riveted joint with the riveted joint on being opened in yoke tube bottom 2b, and connects on the 14a of plectane portion that is bearing in above-mentioned rotation guide body 14 in forwards outstanding mode.And, the location indentations 14d that forms at the periphery position of rotating the guide body plectane 14a of portion on four positions that are positioned at Zhou Fangxiang, cuts towards internal side diameter.And, at the outside diameter position of rotating guide body plectane portion 14, in mode with the angle intervals identical at interval (30 degree) with the angulation of projection 2e, be formed with (9) the fastening shrinkage pool 14e identical with the formation quantity of projection 2e, these fastening shrinkage pools 14e faces by the rear end side with the 14a of plectane portion and forwards is arranged with into sphere shape and constitutes.In addition, the center, hole of 9 fastening shrinkage pool 14e is formed on the same diameter from the axle center of the 14b of carrying cylinder portion.
In addition, the 17th, be built in locking pin in the inboard guide body 10 towards fore-and-aft direction, this locking pin 17 constitutes towards the mode of the place ahead advance and retreat from the inboard guide body plectane 10d of portion with front end, can with the free clutch of fastening recess 14f of the locational sphere shape of the prior setting that is formed on the outside diameter position of rotating guide body 14 fastening.By like this, be assembled under the situation on the inboard guide body 10 will rotating guide body 14, by making locking pin 17 and fastening shrinkage pool 14e fastening, can rotate the location of guide body 14 with respect to the rotation direction (Zhou Fangxiang) of inboard guide body 10.
And, as described later, between inboard guide body 10 and rotation guide body 14, with respect to inboard guide body 10 positioner (being equivalent to detent mechanism of the present invention) 18 is set, be used for relatively carrying out fastening with the formation position of projection 2e with the location shape with rotating guide body 14.Above-mentioned positioner 18 has pin axle 18a, energizing spring 18b and detecting sensor 18c, pin axle 18a can be arranged on the slotted hole with vertically moving freely, this slotted hole is opened in the fore-and-aft direction that is communicated with inboard guide body 10 and aid in guide body 12 more longways, the front end of pin axle 18a can free clutch ground be formed on the fastening shrinkage pool 14e fastening of rotating on the guide body plectane 14a of portion; Energizing spring 18b to this pin axle 18a towards rotating guide body 14 side reinforcings; Detecting sensor 18c comes output detection signal according to the active force fastening of energizing spring 18b by pin axle 18a on fastening shrinkage pool 14e.
And, though in order to carry out the shaping of projection 2e, the shaping that yoke 2 is arranged to set in advance with respect to inboard guide body 10 assemblings is provided with state, but in this case, yoke 2 is to assemble with through hole 2d from rotating guide body 14 outstanding alignment pins 16 slotting logical two hinges of setting in advance.At this moment, at yoke tube bottom 2b, to be positioned at outside diameter, be formed on Zhou Fangxiang everywhere to the side-prominent spacer 2f of tube, these spacers 2f is become flexible be entrenched in the above-mentioned location indentations 14d that is formed at the periphery position of rotating the guide body plectane 14a of portion, and make alignment pin 16 connect hinge and assemble with through hole 2d ground, yoke 2 is contained in ground integrated state group under the state of the location of having carried out rotation direction, with spline and rotates on the guide body 14 (inboard guide body 10) thus.
In addition, under this is shaped (assembling) state that is provided with, the shaft core position of yoke 2 forms the state of aiming at the axle center with the shaft core position that rotates guide body 14, by yoke 2 is assembled into such state, shown in the dotted line of Fig. 7, the inner peripheral surface of the yoke tube 2a of portion forms at least the state with inboard guide body arc surface 10a butt.And, under this is shaped the state that is provided with, the pin axle 18a of positioner 18 and the fastening shrinkage pool 14e fastening (with reference to Fig. 5) that is formed on the square end portion that is positioned at rotation direction (rotating the rotation direction front side of guide body 14) among 9 fastening shrinkage pool 14e that rotate on the guide body 14.And, under the state that above-mentioned shaping is provided with, the aid in guide body 12 that is arranged on the rearward end of inboard guide body 10 is arranged on outside the tube of yoke 2.
On the other hand,, be connected, can move freely at above-below direction (pressing direction of projection 2e) with no illustrated movement device as constituting the movable pallet 19 of trigger with the upside of the movable side component (mould) of the building mortion 7 of projection.Be fixed with guided outside body 20 and outside aid in guide body 21 in the lower surface of above-mentioned movable pallet 19 one, guided outside body 20 is located opposite from the place ahead for outer peripheral face butt and the inboard guide body 10 with the yoke tube 2a of portion; Outside aid in guide body 21 is in order to be positioned at the rear with the top butt of aid in guide body 12.Though on above-mentioned guided outside body 20, form the bearing surface 20a have with the external diameter same curvature of the yoke tube 2a of portion, the length setting of the Zhou Fangxiang of this bearing surface 20a become the hands-off length in formation position with the projection 2e that forms in abutting connection with the yoke tube 2a of portion.And the formation position with projection 2e on bearing surface 20a relatively is arranged with drift support slot 20b.
On the other hand, outside aid in guide body 21 has the plate shaped bearing surface 21a with the plate shaped top butt of aid in guide body 12, moving up and down, moving up and down integratedly according to movable pallet 19 with guided outside body 20, guided outside body 20 pressurizes to aid in guide body 12 along with the outer peripheral face pressurization (applying stamping press) to the yoke tube 2a of portion.
In addition, move down (the pressurizeing by guided outside body 20) of movable pallet 19 carries out according to the detection signal from the detecting sensor 18c that constitutes above-mentioned positioner 18, by like this, under the state that does not have the detection signal input, do not carry out compression motion based on guided outside body 20, can be correctly and form projection 2e effectively.
Like this, when yoke 2 is provided with state group and installs on the inboard guide body 10 with the shaping of prior setting, as mentioned above, the pin axle 18a of positioner 18 and the fastening shrinkage pool 14e fastening that is positioned at rotation direction one side, under this state, by movable pallet is moved for 19 times, the outer peripheral face pressurization of 20 couples of yoke tube 2a of portion of guided outside body, guide body 10 applies stamping press to the inside, by like this, inboard guide body 10 moves down, be provided with under the state outstandingly from the arc surface 10a of inboard guide body 10 from the outstanding drift 11 of the arc surface 10a of inboard guide body 10 in shaping, the mode that drift body 11b boosts with the inner peripheral surface with the yoke tube 2a of portion is formed on the first projection 2e at the position of drift support slot 20b of guided outside body 20 (with reference to Fig. 3, Fig. 4, the solid line of Fig. 5 and Fig. 7).
At this moment, by the 20 pairs of yoke tube 2a of portion pressurizations of guided outside body, inboard guide body 10 moves down, punching press forms projection 2e, but acts on the stamping press of inboard guide body 10 this moment, is blocked via the state of the aid in guide body 12 outside the tube that is positioned at yoke 2 with helical spring 13 resistant function power.Like this, building mortion 7 can utilize the tube that is arranged on yoke 2 outer, be supported on the stamping press that helical spring 13 on the fixed base 8 blocks guided outside body 20, by like this, even increase from the stamping press of guided outside body 20, also can not interfere with yoke 2, available big stamping press forms projection 2e.
And in this case, guided outside body 20 moves down with the outside aid in guide body 21 that is positioned at the rear, and 20 couples of yoke tube 2a of portion pressurize by the guided outside body, and simultaneously, aid in guide body 21 pairs of aid in guide bodies 12 in the outside pressurize.By like this, bear the stamping press that is used for punching press projection 2e based on inboard guide body 10, when inboard guide body 10 moves down, aid in guide body 12 is also moved down by 21 pressurizations of outside aid in guide body, inboard guide body 10 is in the state of moving down equally with aid in guide body 12, by can further guaranteeing the circularity of the yoke tube 2a of portion like this.
Like this, after forming the first projection 2e on the yoke tube 2a of portion, make the 14b of carrying cylinder portion that rotates guide body 14 only rotate the predetermined angular (30 degree) of prior setting, make with the second projection 2e that the first projection 2e forms the position adjacency form corresponding position be arranged on drift 11 on the inboard guide body 10 that the position is set is relative, but this moment is owing to be provided with positioner 18 between rotation guide body 14 and inboard guide body 10, therefore, by state (the formation state of the first projection 2e) is set from above-mentioned shaping its direction of arrow to Fig. 5 is rotated, the pin axle 18a of the fastening shrinkage pool 14e on the end that is formed on Zhou Fangxiang one side submerges, automatically break away from this fastening shrinkage pool 14e, relative with the second fastening shrinkage pool 14e by the end from Zhou Fangxiang one side, this fastening shrinkage pool 14e that submerges automatically carries out fastening.By like this, yoke 2 is provided with the rotations that state carries out 30 degree from above-mentioned shaping, rotates guide body 14 and is arranged on the formation position of the second projection 2e with yoke 2 with being positioned.Then under the state on the formation relative position that yoke 2 is arranged on the second projection 2e with rotation guide body 14, mobile stand 19 times is moved and carry out pressurization (punching press), on the yoke tube 2a of portion, form the second projection 2e based on guided outside body 20.
Then, the from the 3rd to the 9th projection 2e utilizes positioner 18 locate successively by rotating above-mentioned rotation guide body 14, one side, simultaneously utilizes guided outside body 20 to pressurize to form.
In the manner as constituted above, the 2a of tube portion periphery in the yoke 2 that constitutes flywheel 1 forms under the situation of projection 2e, projection 2e state with each guide body 10,21 in butt inboard, the outside on the inner and outer circumferential surfaces of the yoke tube 2a of portion forms, and therefore can guarantee the circularity of yoke 2.And, in this case, with the inboard guide body 10 of interior all butts of the yoke tube 2a of portion on be arranged on the aid in guide body 12 that is connected outside the tube of yoke 2, and when 20 couples of yoke tube 2a of portion of guided outside body pressurize, the stamping press that inboard guide body 10 is born is born by outer aid in guide body 12 sides of tube that are arranged on yoke 2, compare with the occasion of bearing the stamping press of guided outside body 20 in the inboard of the yoke tube 2a of portion and can bear big stamping press, can utilize a drawing to form projection 2e, operability forms operation well.
And, in this case, projection 2e forms with the state that the drift support slot 20b on the bearing surface 20a that is formed on guided outside body 20 stops, because near the yoke tube 2a of portion the projection 2e forms by the state of guide body 12,20 guiding in the interior outside, therefore can be owing to drawing does not make the yoke tube 2a of portion distortion, the circularity ground that can not destroy yoke 2 forms projection 2e.
And, in implementing device of the present invention, because aid in guide body 12 is by being wholely set the outside aid in guide body 21 on guided outside body 20, similarly pressurized and form movable structure with inboard guide body 10, therefore inboard guide body 10 and aid in guide body 12 similarly move down displacement, therefore, there is not to change, can further guarantee the circularity of yoke 2 in the end, front and back of inboard guide body 10 amount of moving down.
And because drift 11 one are installed on the outer fixed guide body 9 that is fixed in yoke 2, the stamping press in the time of therefore can setting drawing significantly can carry out the shaping of projection 2e to yoke 2 simpler and efficiently.
And, owing to form following structure, promptly, rotating guide body 14 can be arranged on the inboard guide body 10 with freely relatively rotating, under the state that rotation direction is positioned yoke 2 is being assembled on this rotation guide body 14, one side makes yoke 2 carry out stamping press with rotating guide body 14 rotation one sides, therefore, can carry out easily a plurality of projection 2e are formed on operation on the yoke tube 2a of portion successively, can form operation efficiently.
And, between inboard guide body 10 and rotation guide body 14, positioner 18 being set, can carry out easily yoke 2 is formed locational operation with the projection 2e that rotation guide body 14 is fixed on prior setting, can further improve production efficiency.
And, on positioner 18, connect detecting sensor 18c, only otherwise be arranged to carry out the state of this location, guided outside body 20 just can not carry out compression motion, so can be further correctly and carry out the forming operation of projection 2e effectively.
In addition, the present invention is not limited to above-mentioned embodiment certainly, can it mechanically be rotated by manually being rotated operation as above-mentioned embodiment to rotating guide body.
As mentioned above, the manufacturing process that trigger on the flywheel of the present invention is used projection with the building mortion and the trigger of projection, very useful with the manufacturing process of projection etc. as the trigger that is installed on the turning cylinder, be used to detect on the flywheel of rotary state with the building mortion of projection and trigger, be particularly suitable for not destroying the shaping that the circularity ground of yoke tube portion carries out.
Claims (8)
1. the trigger on the flywheel is with the building mortion of projection, be used for tube portion periphery in the yoke that bottomless drum shape is arranged that constitutes flywheel, form a plurality of, trigger projections of being used to obtain flop signal side-prominent in circumferential punching press to external diameter, this building mortion has: inboard guide body, projection punching press be with drift and guided outside body, interior all butts of described inboard guide body and yoke tube portion, can move freely at pressing direction; Described projection punching press can be arranged on this inboard guide body at pressing direction with drift with freely advancing and retreat; Described guided outside body is formed with the support slot of this drift of supporting, by via with the bearing surface of the periphery butt of yoke tube portion to the pressurization of yoke tube portion, simultaneously this yoke tube portion and inboard guide body one are moved and the above-mentioned projection of punching press,
Be provided with aid in guide body and spring, described aid in guide body is under the outer state that extends of the tube of above-mentioned yoke, with mode and this inboard guide body binding of moving with inboard guide body one; Described spring is positioned at outside the yoke tube, is arranged on the above-mentioned aid in guide body,
Be accompanied by the pressurization that is used for the punching press projection of above-mentioned guided outside body and act on stamping press on the inboard guide body,, under the state of opposing elastic force pressure, block by being positioned at the outer spring of above-mentioned yoke tube via the aid in guide body that moves with this inboard guide body.
2. trigger on the flywheel as claimed in claim 1 is characterized in that with the building mortion of projection, and drift is wholely set on the fixed guide body outside being fixed in the tube of yoke.
3. trigger on the flywheel as claimed in claim 1 or 2 is characterized in that with the building mortion of projection, and the aid in guide body is pressurized by being wholely set outside aid in guide body on the guided outside body.
4. trigger on the flywheel as claimed in claim 2 is characterized in that with the building mortion of projection, spring below the aid in guide body and above the fixed base between.
5. the trigger on the flywheel as claimed in claim 1 is characterized in that with the building mortion of projection rotating guide body can be arranged on the inboard guide body with freely relatively rotating, and yoke is assembled on the inboard guide body by rotating guide body.
6. the trigger on the flywheel as claimed in claim 5 is characterized in that with the building mortion of projection, between rotation guide body and inboard guide body positioner is set, and this positioner rotates the location of guide body with respect to inboard guide body.
7. the trigger on the flywheel as claimed in claim 6 is characterized in that with the building mortion of projection positioner is related with the compression motion of guided outside body.
8. the trigger on the flywheel is with the manufacturing process of projection, adopt building mortion, be used for tube portion periphery in the yoke that bottomless drum shape is arranged that constitutes flywheel, form a plurality of, trigger projections of being used to obtain flop signal side-prominent in circumferential punching press to external diameter, and this building mortion has: inboard guide body, projection punching press be with drift, guided outside body, aid in guide body and spring, interior all butts of described inboard guide body and yoke tube portion, can move freely at pressing direction; Described projection punching press can be arranged on this inboard guide body at pressing direction with drift with freely advancing and retreat; Described guided outside body is formed with the support slot of this drift of supporting, by via the bearing surface with the periphery butt of yoke tube portion the tube portion of yoke being pressurizeed, simultaneously this yoke tube portion and inboard guide body moved, with the above-mentioned projection of this punching press; Described aid in guide body extends outside above-mentioned yoke tube, and links with mode and this inboard guide body that moves with inboard guide body one; Described spring is positioned at outside the yoke tube, is arranged on the above-mentioned aid in guide body,
After on the inboard guide body that yoke is arranged under the not outstanding state of drift,
Be accompanied by the pressurization that is used for the drawing projection of above-mentioned guided outside body and act on stamping press on the inboard guide body, via the aid in guide body that moves with this inboard guide body, under the state of opposing elastic force pressure, block by being positioned at the outer spring of above-mentioned yoke tube.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004227039 | 2004-08-03 | ||
| JP227039/2004 | 2004-08-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1976769A CN1976769A (en) | 2007-06-06 |
| CN100488656C true CN100488656C (en) | 2009-05-20 |
Family
ID=35787188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800214654A Expired - Fee Related CN100488656C (en) | 2004-08-03 | 2005-07-28 | Apparatus for forming projections for triggering device on flywheel, and method of forming projections for triggering device |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1775040A1 (en) |
| JP (1) | JP4772682B2 (en) |
| CN (1) | CN100488656C (en) |
| BR (1) | BRPI0512015B1 (en) |
| WO (1) | WO2006013907A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023146203A (en) * | 2022-03-29 | 2023-10-12 | 株式会社ミツバ | Rotary electric machine and manufacturing method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133660A (en) * | 1997-07-23 | 1999-02-09 | Mazda Motor Corp | Manufacture of toothed part |
| JP3758133B2 (en) * | 2000-10-10 | 2006-03-22 | トヨタ自動車株式会社 | Drawing method |
| JP2002315277A (en) * | 2001-04-16 | 2002-10-25 | Honda Motor Co Ltd | Method of manufacturing, and device for manufacturing rotor for rotating electric machine |
-
2005
- 2005-07-28 BR BRPI0512015-2A patent/BRPI0512015B1/en not_active IP Right Cessation
- 2005-07-28 CN CNB2005800214654A patent/CN100488656C/en not_active Expired - Fee Related
- 2005-07-28 JP JP2006531527A patent/JP4772682B2/en not_active Expired - Fee Related
- 2005-07-28 EP EP05768817A patent/EP1775040A1/en not_active Withdrawn
- 2005-07-28 WO PCT/JP2005/014252 patent/WO2006013907A1/en active Application Filing
Non-Patent Citations (2)
| Title |
|---|
| 飞轮壳凸台成形模设计. 王远.模具工业，第2期. 2002 |
| 飞轮壳凸台成形模设计. 王远.模具工业，第2期. 2002 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1976769A (en) | 2007-06-06 |
| JP4772682B2 (en) | 2011-09-14 |
| WO2006013907A1 (en) | 2006-02-09 |
| BRPI0512015A (en) | 2008-02-06 |
| BRPI0512015B1 (en) | 2018-07-10 |
| JPWO2006013907A1 (en) | 2008-05-01 |
| EP1775040A1 (en) | 2007-04-18 |
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