CN101362181B - Clutch gear manufacturing apparatus and clutch gear manufacturing method - Google Patents
Clutch gear manufacturing apparatus and clutch gear manufacturing method Download PDFInfo
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- CN101362181B CN101362181B CN2008101349283A CN200810134928A CN101362181B CN 101362181 B CN101362181 B CN 101362181B CN 2008101349283 A CN2008101349283 A CN 2008101349283A CN 200810134928 A CN200810134928 A CN 200810134928A CN 101362181 B CN101362181 B CN 101362181B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/30—Making machine elements wheels; discs with gear-teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/027—Trimming
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- Mechanical Operated Clutches (AREA)
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Abstract
The invention provides a clutch gear manufacturing apparatus of the clutch gear for restraining the increase of process number, while manufacturing multiple tapered synchronization device and a clutch gear manufacturing method. The clutch gear manufacturing apparatus includes a die (16) that allows a clutch gear primary product (Wb), which has spline teeth (1) with chamfers (1a) formed in an outer peripheral surface of the primary product (Wb), to be disposed in the die (16), and includes a blade(16a) capable of forming reverse tapers (1b) at the spline teeth (1); a punch (18) capable of pressing down the primary product (Wb) disposed in the die (16) so that the spline teeth (1) are pressed by the blade (16a); a knockout sleeve (17) that receives the primary product (Wb) which is pressed down by the punch (18); and a punch pin (31) that forms a cone hole (4) in a side surface of the primary product (Wb) while the spline teeth (1) are pressed by the blade (16a).
Description
Technical field
The present invention relates to a kind of clutch gear manufacturing installation and clutch gear manufacture method.
Background technology
In the past, as this clutch gear manufacturing installation, proposed to be configured as the clutch gear manufacturing installation of back taper at the spline tooth that makes the machined object that has formed straight spline tooth with chamfering (chamfer).
In this device, on machined object, exceed active force by carrying out machined object with respect to consistent the making of phase place of mould, can form the high reverse tapered shapes of precision.
Yet, the employed clutch gear of many bevel-types sychronisation carries out the one rotation for making the middle awl that is disposed between inner cone (inner cone) and the outer cone (outer cone), the taper hole that the claw of awl can engage in needing to form, but precision in order to ensure reverse tapered shapes, general taper hole makes the back taper back that is shaped form by machining, perhaps waits by forging to form before the back taper shape forms.
Patent documentation 1: the special fair 6-98451 communique of Japan
But, have following problem: if behind the shaping back taper, form taper hole, then increased operation and made manufacturing process become numerous and diverse, and formed taper hole, then taper hole distortion when the shaping back taper if before forming back taper, wait by forging by machining.
Summary of the invention
The manufacture method purpose of clutch gear manufacturing installation of the present invention and clutch gear is that the increase and the precision that can suppress process number produce the employed clutch gear of many bevel-types sychronisation well.
For achieving the above object, clutch gear manufacturing installation of the present invention and clutch gear manufacture method have adopted following means.
Clutch gear manufacturing installation of the present invention is used to make the employed clutch gear of many bevel-types sychronisation, it is characterized in that, described clutch gear manufacturing installation has: former (dies), it can be so that the vertical mode that makes progress of chamfering be arranged on the clutch gear that outer peripheral face is formed with the spline tooth with chamfering, and has and can make spline tooth be configured as the back taper tooth of back taper; Punch, it can push away (pushing away) down downwards and be arranged at the interior clutch gear of former, spline tooth is pressed on the back taper tooth; Stripper sleeve, it is accepted by the clutch gear that pushes away under the punch; And drift (punch pin), it also can be disposed in the punch up or down, is pushed at spline tooth that the side at clutch gear forms taper hole under the state on the conical tooth.
According to clutch gear manufacturing installation of the present invention, be subjected to following the pushing away of punch at clutch gear and spline tooth be pressed under the state on the conical tooth, utilize drift to form taper hole, therefore, can prevent to cause reverse tapered shapes to deform, can install the operation that enterprising enforcement spline tooth is configured as the operation of reverse tapered shapes and forms taper hole in the side of clutch gear at one because of forming taper hole.Consequently, can reduce process number and also produce the employed clutch gear of many bevel-types sychronisation accurately.
In such clutch gear manufacturing installation of the present invention, punch also can form the roughly the same drum of tip diameter of the back taper tooth of external diameter and former.So, can directly carry out the location of punch and former, position mutually specific energy with other use guide rod and suppress dimensional discrepancy, but thereby precision more position on the highland.
And, in clutch gear manufacturing installation of the present invention, when stripper sleeve is accepted clutch gear, can form with authorized pressure clutch gear is sandwiched between stripper sleeve and the punch.So, can make spline teeth become back taper sandwiching under the state of clutch gear, but therefore precision produce clutch gear well.And, also can fully press and collapse and remove protrusion, the burr that produces on the side of clutch gear, for example near the protrusion that produces at the bottom of the spline tooth during spline shaping of teeth.
And in clutch gear manufacturing installation of the present invention, stripper sleeve can form to be connected to clutch gear with the roughly the same diameter of the tip diameter of the back taper tooth of former.Can stably accept clutch gear like this, can produce clutch gear accurately, and can press reliably and collapse and remove near the protrusion that produces the spline tooth root etc.
And, in the clutch gear manufacturing installation of the present invention, can sandwich also that state between stripper sleeve and the punch is following to push away clutch gear at clutch gear, stripper sleeve is accepted clutch gear.So can stably push away clutch gear down.Consequently, can precision produce clutch gear well.
And, in clutch gear manufacturing installation of the present invention, in stripper sleeve, also can form the inserting hole that can supply drift to run through.Can make drift run through inserting hole like this and form taper hole, and, can the unnecessary material under institute's stamping-out be removed by inserting hole.
And in clutch gear manufacturing installation of the present invention, drift also can be disposed in the punch up or down.Can make device self become miniaturization like this.
And, the manufacture method of clutch gear of the present invention is used to make the employed clutch gear of many bevel-types sychronisation, wherein, the manufacture method of this clutch gear has following feature: may further comprise the steps: (a) outer peripheral face at clutch gear forms the spline tooth with chamfering; (b) spline tooth is configured as on the former of back taper tooth of back taper, so that the vertical clutch gear that up is provided with of its chamfering having; (c), simultaneously spline tooth is pressed to the back taper tooth and is configured as back taper by pushing away the clutch gear that is arranged on the former under the punch; (d) accepted by stripper sleeve under the state that spline tooth is pressed to the clutch gear on the back taper tooth, the drift that utilization can be disposed in the above-mentioned punch up or down forms taper hole on the side of clutch gear.
According to clutch gear manufacture method of the present invention, under the state that by pushing away clutch gear under the punch spline tooth is pressed on the back taper tooth, utilize drift to form taper hole, therefore, can prevent because of forming the distortion that taper hole causes the back taper shape; Carry out two following operations with an operation, that is: make spline tooth be configured as the operation of reverse tapered shapes and form the operation of taper hole in the side of clutch gear.That consequently, can suppress that process number increases and precision is good produces the employed clutch gear of many bevel-types sychronisation.
And in clutch gear manufacture method of the present invention, step (c) is also by forming the step that pushes away clutch gear under the punch that has with the drum of the roughly the same external diameter of the tip diameter of back taper tooth.So then can directly carry out the location of punch and former, position mutually specific energy with other use guide rod and suppress dimensional discrepancy, but thereby precision more position on the highland.
And in clutch gear manufacture method of the present invention, step (c) is the step that pushes away under quilt under the state that is sandwiched between punch and the stripper sleeve of clutch gear also.So then can stably push away clutch gear down.Consequently, but precision produces clutch gear well.
Have, in clutch gear manufacture method of the present invention, step (c) also can be when accepting clutch gear by stripper sleeve again, with authorized pressure clutch gear is sandwiched step between stripper sleeve and the punch.So, can press near protrusion of collapsing and producing at the bottom of the spline tooth of clutch teeth wheel side when removing the shaping spline tooth etc.
In addition, in clutch gear manufacture method of the present invention, step (d) also can be that stripper sleeve is formed the step of accepting clutch gear with the roughly the same diameter of the tip diameter of back taper tooth.So, then can stably accept clutch gear, and can press reliably collapse and remove at the bottom of the spline tooth near the protrusion that produces etc.
Description of drawings
Fig. 1 is the main TV structure figure of the employed clutch gear of many bevel-types sychronisation.
Fig. 2 is the sectional structure chart of the annular blank Wa before clutch gear is shaped.
(a) of Fig. 3 is the sectional structure chart of time processing product Wb of clutch gear that has been formed the spline tooth of straight shape by clutch teeth gear teeth manufacturing installation in periphery; (b) of Fig. 3 is the major part enlarged side view of the time processing product Wb of the clutch gear in (a).
(a) of Fig. 4 is the sectional structure chart of the clutch gear W among Fig. 1; (b) of Fig. 4 is the major part enlarged side view of the clutch gear W in (a).
Fig. 5 is the summary construction diagram of clutch teeth gear teeth manufacturing installation, and the right side of center line divides expression to settle the state of clutch gear blank Wa, and the left part of center line is illustrated in the state that is formed with straight spline tooth on the blank Wa.
Fig. 6 is the summary construction diagram of back taper building mortion, the state that the right side of center line divides expression to settle the time processing product Wb of clutch gear, the left part of center line are illustrated in formation back taper on the spline tooth of clutch gear and are formed with the state of taper hole.
Fig. 7 is the amplification configuration structure that amplifies the major part of the back taper building mortion in the presentation graphs 6, is the state diagram of settling the time processing product Wb of clutch gear on former.
Fig. 8 is that the state from Fig. 7 makes stripper sleeve 17 risings accept the state diagram of the time processing product Wb of clutch gear.
Fig. 9 is that the state from Fig. 8 pushes away the drift punch for 18 times, simultaneously the time processing product Wb of clutch gear is pressed to the state diagram on the sword 16a of former 16.
Figure 10 is time processing product Wb and the stripper sleeve 17 that further pushed away clutch gear by drift punch 18 down, makes the state diagram of on spline tooth formation back taper.
Figure 11 is that the state from Figure 10 pushes away drift for 31 times and forms the state diagram of taper hole.
Figure 12 is after forming back taper on the spline tooth and forming taper hole, the state diagram that punch and drift are risen.
The specific embodiment
Below, use embodiment to illustrate and be used to implement best mode of the present invention.
At first the employed clutch gear of many bevel-types sychronisation as product is described.
Fig. 1 is the front view by the clutch gear of clutch teeth gear teeth manufacturing installation and the manufacturing of back taper building mortion.
Clutch gear W is formed with a plurality of spline tooths 1 on periphery devices spaced apart ground, forms the chamfering 1a of herringbone shape in the end of each spline tooth 1.
And, in clutch gear W side, be formed with tapered portion 2 in inner peripheral surface 3 sides, between the tapered portion 2 of the side of clutch gear W and spline tooth 1, equally spaced pass and be formed with 4 taper holes 4.
In order to make inner cone and middle awl between the outer cone and the rotation of clutch gear W one that is disposed at many bevel-types sychronisation, this taper hole 4 forms and can engage with the claw of middle awl.
The employed clutch gear W of this many bevel-types shown in Figure 1 sychronisation is from the blank Wa shown in the cutaway view of Fig. 2, utilize the clutch teeth gear teeth manufacturing installation 5 shown in the skeleton diagram among Fig. 5, form the shape shown in the side major part enlarged drawing of the cutaway view of Fig. 3 (a) and Fig. 3 (b), afterwards, utilize back taper building mortion 15 shown in Figure 6, form shape with the back taper 1b shown in the side major part enlarged drawing of the cutaway view of Fig. 4 (a) and Fig. 4 (b).In addition, hereinafter will be described in detail clutch teeth gear teeth manufacturing installation 5 and back taper building mortion 15.
Clutch gear blank Wa shown in Figure 2 is the crude green body material of forge hot, forms ring-type, is formed with inner peripheral surface 3 at central portion.
Use clutch teeth gear teeth manufacturing installation 5 shown in Figure 5, the clutch gear blank Wa of this Fig. 2 is formed the shape shown in Fig. 3 (a) and (b), produce time processing product Wb as the clutch gear of the intermediate of clutch gear W.
That is, the time processing product Wb of clutch gear uses clutch teeth gear teeth manufacturing installation 5, replaces the spline tooth 1 and teeth groove M that forms the chamfering 1a with herringbone shape in periphery, forms tapered portion 2 simultaneously.
Like this, use clutch teeth gear teeth manufacturing installation 5 to come that spline tooth 1 is carried out tooth portion and be shaped, the side of this spline tooth 1 is the straight S that faces directly.
Fig. 5 is the schematic diagram of summary of clutch teeth gear teeth manufacturing installation of the time processing product Wb of the clutch gear shown in expression shop drawings 3 (a) and (b).In addition, the state that the right side of Fig. 5 center line divides expression to settle clutch gear blank Wa, the left part of center line is illustrated in clutch gear blank Wa and goes up the state that forms straight spline tooth.
Clutch teeth gear teeth manufacturing installation 5 has: former 6, and it forms spline tooth 1 on the clutch gear blank Wa of the state of Fig. 2; Stripper sleeve 7, it is accepted clutch gear Wa and can move up and down; And the profile of tooth punch 8 of drum, it pushes clutch gear blank Wa to the lower side from the top.
Former 6 is arranged on the upper bearing plate (backup plate) 12, and this upper bearing plate 12 is arranged on lower support plate 10 and the middle support plate 11, and this lower support plate 10 is arranged on the base plate (lower plate) 9.
And stripper sleeve 7 can move up and down in the inside of base plate 9, lower support plate 10, middle support plate 11, upper bearing plate 12, and can be installed on interior all sides of former 6 up or down.
And profile of tooth punch 8 is installed on approximate horizontal by punch support 14 with catenary and is disposed on the push plate 13 of top.
This profile of tooth punch 8 is moved down, push the clutch gear blank Wa that is placed in the former 6 to lower side, by profile of tooth drift 8 pushing clutch gear blank Wa the time, utilize former 6 to form tapered portion 2 and spline tooth 1, form ladder between tapered portion 2 and the spline tooth 1, the lambdoid chamfering 1a of shaping on spline tooth 1 faces S directly in the shaping of the side of spline tooth 1.
Afterwards, stripper sleeve 7 rises, from the former 6 interior time processing product Wb that take out the clutch gear of the state that is configured as Fig. 3 (a) and (b).
Taking out these time processing product Wb from former 6 is undertaken by by stripper sleeve 7 time processing product Wb being pushed away upward.At this moment, between teeth groove M and former 6, produce friction, make the surface of teeth groove 6 that plastic deformation take place, and produced so-called " protrusion D ".At this, the tip of the lambdoid chamfering 1a of time processing product Wb with towards base plate 9 side directions promptly the lower side in Fig. 5 to state form, therefore, shown in Fig. 3 (a) and (b), protrusion D is on the side of chamfering 1a side of time processing product Wb, is to form crowned between a plurality of spline tooths 1 in the position corresponding with teeth groove M.In addition, this protrusion D size is about about 0.1mm～0.2mm.
Then, back taper building mortion 15 shown in Figure 6 is described.
This back taper building mortion 15 is used for settling the time processing product Wb of the clutch gear of the shape that has been configured as Fig. 3 (a) and (b), makes each spline tooth 1 of the time processing product Wb of clutch gear be configured as back taper 1b like that shown in Fig. 4 (a) and (b).
And, when back taper building mortion 15 makes spline tooth 1 be configured as back taper 1b, the taper hole 4 that the claw of the middle awl that also has been shaped can engage.
In Fig. 6, back taper building mortion 15 has: the ring-type former 16 of the back taper 1b that can be shaped, be configured to cylindric stripper sleeve 17 that can move up and down from interior all side direction below of former 16 and the punch moving up and down 18 that is disposed at the top.
Former 16 embeds in the mould 27, and mould 27 is arranged on the upper bearing plate 22, and support plate 21 in disposing below upper bearing plate 22 disposes base plate 19 across lower support plate 20 below middle support plate 21, and base plate 19 is arranged on the base 24.
Start cylinder 25 vertically is configured in interior all sides of base plate 19, constitutes by this start cylinder (hydraulic cylinder or cylinder) 25 stripper sleeve 17 can be moved up and down.
And, on base plate 19, lower support plate 20, middle support plate 21 and upper bearing plate 22, be formed with the discharge skewed slot (chute) 26 that has a down dip from the stripper sleeve 17 side direction outside.
And, up, be provided with 6 gas actuation cylinders 30 of catenary from top base 29, and, dispose by this gas actuation cylinder 30 and drive and push plate moving up and down 23.Lower surface in push plate 23 is equipped with punch 18, and along with this push plate 23 moves down, punch 18 constitutes and the time processing product Wb that is placed in the clutch gear in the former 16 can be pushed to the lower side.In addition, moving down because of block 28 with mould 27 butt takes place of punch 18 is stopped.
And 4 drifts 3 that are used to form 4 taper holes 4 can be catenary up or down and be configured in the punch 18.
In addition, divide the state after expression punch 18 rises in the right side of the center line of Fig. 6, the left part of center line is represented the state after punch 18 and drift 31 descend.In addition, Fig. 7 amplifies the expression major part.
As shown in Figure 7, the formers 16 that embed in the mould 27 form ring-type, the sword 16a that is used to form back taper 1b being provided with in interior week of former 16.
Therefore, when forming back taper 1b on the spline tooth 1 of the time processing product Wb of clutch gear, time processing product Wb is placed in the former 16 in the mode of tip towards the top of chamfering 1a.In addition, be provided with the wide diameter portion 16d that forms the hole enlargement shape upward, so that time processing product Wb is placed in the former 16 location easily at the interior Zhou Shangfang position of former 16.
And, stripper sleeve 17 can be arranged at the below of former 16 up or down, and constitute the time processing product Wb that can accept the clutch gear that pushes to the lower side by punch 18, and drive by start cylinder 25 time processing product Wb is sandwiched between stripper sleeve 17 and the punch 18 with authorized pressure.And, in stripper sleeve 17, longitudinally be formed with the inserting hole 17a that drift 31 can pass, be formed with the angling hole 17b that is the shape that has a down dip laterally in the connection of the lower end of inserting hole 17a.This angling hole 17b is communicated with discharge skewed slot 26.
And, being disposed on the drum punch 18 of upper side, longitudinally be formed with bore of the punch 18a, in this bore of the punch 18a, penetrate the lower end side of drift 31, drift 31 can move up and down in punch 18.
In addition, the external diameter C of stripper sleeve 17 is set at the roughly the same diameter of tip diameter b with the sword 16a of the external diameter a of drum punch 18, former 16.
Below the action of back taper building mortion 15 is described.
As shown in Figure 7, use clutch teeth gear teeth manufacturing installation 5, so that the chamfering 1a of spline tooth 1 mode up is placed in the time processing product Wb that is configured as the clutch gear of the shape shown in Fig. 3 (a) and (b) in the former 16 of back taper building mortion 15.That is, the spline tooth 1 of the straight shape of the time processing product Wb of clutch gear is embedded in is formed in the former 16 among the internal circle groove 16c on weeks, locate with time processing product Wb and be placed in the former 16 clutch gear.
At this moment, as shown in Figure 8, stripper sleeve 17 is subjected to the driving of start cylinder 25 and rises to the position that the lower surface of the time processing product Wb of its upper surface and clutch gear connects, and time processing product Wb forms the state of being accepted by stripper sleeve 17 before being subjected to following the pushing away of punch 18.
Like this, when the time processing product Wb of clutch gear is pushed away for 18 times by punch, under the state of accepting by stripper sleeve 17, push downwards, thereby the time processing product Wb of clutch gear stably can be pushed away down.And, respectively the tip diameter b of sword 16a and the external diameter c of stripper sleeve 17 are set at roughly the same diameter, can stably take in the time processing product Wb of clutch gear thus, and it stably can be pushed away down.
As shown in Figure 9, under this state,, punch is pushed away for 18 times by driving gas start cylinder 30, make the upper surface butt of the time processing product Wb of itself and clutch gear, the time processing product Wb of clutch gear is sandwiched between punch 18 and the stripper sleeve 17 with authorized pressure.At this, in the back taper building mortion 15 of embodiment, the external diameter a of punch 18 and the tip diameter b of sword 16a are set at roughly the same diameter, make thus when under punch 18 quilts, pushing away, can directly carry out the location (centering) of punch 18 and former 16.Consequently, compare, can suppress dimensional discrepancy with the situation that other use guide rod etc. positions, but and precision position well.And, in an embodiment, authorized pressure is set at the pressure of the values more than the degree such as the protrusion D that produced on the side that reaches the time processing product Wb that can press the clutch gear that collapses, burr.
Then, as shown in figure 10, keeping under this state, pushing away punch 18 down and connect up to block 28 and mould 27.Like this, the spline tooth 1 of the straight shape of the time processing product Wb of clutch gear is pressed on the sword 16a of former 16, on spline tooth 1, forms back taper 1b.
Like this, the time processing product Wb of clutch gear is sandwiched between punch 18 and the stripper sleeve 17 with authorized pressure, and keeping the following time processing product Wb that pushes away of this state, can press 1 of the spline tooth of the time processing product Wb that collapses and remove to form the protrusion D of crowned thus well at clutch gear.And, the tip diameter b of external diameter a, the sword 16a of punch 18 and the external diameter c of stripper sleeve 17 are set at roughly the same diameter respectively, thereby can press the circular layer D that collapses reliably.
Secondly, as shown in figure 11, be pressed at spline tooth 1 under the state on the sword 16a of former 16 the time processing product Wb of clutch gear, and, the time processing product Wb that keeps making clutch gear sandwiches state between punch 18 and the stripper sleeve 17 with authorized pressure under, under push away drift 31, on the time processing product Wb of clutch gear, form taper hole 4.Like this, keeping spline tooth 1 with the time processing product Wb of clutch gear to be pressed to state on the sword 16a of former 16, and the time processing product Wb of clutch gear is sandwiched under the state between punch 18 and the stripper sleeve 17 with authorized pressure, utilize drift 31 to form taper holes 4, thereby can prevent by the warpage that forms the back taper 1b that taper hole 4 causes.
The discharged air P of taper hole 4 parts of Xing Chenging falls in the inserting hole 17a of stripper sleeve 17 like this, is discharged to the outside from angling hole 17b by discharging skewed slot 26.
Afterwards, as shown in figure 12, drift 31 and punch 18 rise, and then stripper sleeve 17 risings, the clutch gear W as the product that is formed with back taper 1b and taper hole 4 can be extracted in former 16 thus.
Adopt the back taper building mortion 15 of aforesaid embodiment, the time processing product Wb of clutch gear is subjected to the following of punch 18 and pushes away, under the state on the sword 16a that spline tooth 1 is pressed to former 16, can utilize drift 31 to form taper hole 4, can prevent because of forming the warpage that taper hole 4 causes back taper 1b, therefore, the operation that can carry out forming the operation of back taper 1b simultaneously on spline tooth 1 and form taper hole 4 in the side of clutch gear on a device can reduce process number and precision and produce the employed clutch gear W of many bevel-types sychronisation well.
And, punch 18 is roughly the same drums of tip diameter b of its external diameter a and sword 16a, therefore can directly carry out the location of punch 18 and former 16, situation about positioning with other use guide rod is compared, and can suppress dimensional discrepancy and precision well positions.
And, because when stripper sleeve 17 is accepted the time processing product Wb of clutch gear, therefore time processing product Wb with clutch gear sandwiches between stripper sleeve 17 and the punch 18 with authorized pressure, can press near the protrusion D of the generation spline tooth 1 of side of the time processing product Wb that collapses and remove at clutch gear well.
And, the external diameter c of stripper sleeve 17 is set at the roughly the same diameter of tip diameter b with the sword 16a of former 16, therefore can make the stripper sleeve 17 stable time processing product Wb that accept clutch gear, can press the protrusion D that collapses reliably.
And the time processing product Wb of clutch gear pushes away under being subjected under the state that is sandwiched between punch 18 and the stripper sleeve 17, can stably push away down, but therefore precision produces clutch gear W well.
And, drift 31 is interspersed in the inserting hole 17a of stripper sleeve 17, can form taper hole 4, the emission gases P that is produced by drift 31 punchings is discharged well by inserting hole 17a.
And, in the back taper building mortion 15 of this example, drift 31 can be moved up and down be disposed in the punch 18, thereby make whole equipment miniaturization.
In the back taper building mortion 15 of embodiment, though being subjected to the following of punch 18 under the state that keeps sandwiching with authorized pressure between punch 18 and the stripper sleeve 17, the time processing product Wb of clutch gear pushes away, but when pushing away the time processing product Wb of clutch gear for 18 times by punch, also it doesn't matter under the state between punch 18 and the stripper sleeve 17 even not necessarily keep with authorized pressure it being sandwiched.For example, only when the upper surface butt of punch 18 and the time processing product Wb of clutch gear, the time processing product Wb of clutch gear is sandwiched between punch 18 and the stripper sleeve 17 with authorized pressure, thereafter at the following punch 18 that pushes away of free state up to block 28 and mould 27 butts; Or in contrast, behind the upper surface butt of punch 18 and the time processing product Wb of clutch gear, push away up to block 28 and mould 27 butts in that free state is following, when block 28 during, make the time processing product Wb of clutch gear sandwich with authorized pressure that also it doesn't matter between punch 18 and the demoulding outer sleeve 17 with mould 27 butts.
In the back taper building mortion 15 of embodiment, moving down by block on the lower surface that is arranged at push plate 23 28 and mould 27 butts of punch 18 is stopped, but moving down also of punch 18 can be stopped by stripper sleeve 17.At this moment, stop to move down of punch 18, stripper sleeve 17 is produced reach with the pressure of punch 18 mutually reciprocity degree so that punch 18 moves down stops to get final product by making stripper sleeve 17 arrive bottom dead centres.
More than use embodiment embodiments of the present invention to be carried out taking off bright, but the present invention not only is defined in this embodiment, can take variety of way to implement in the scope that does not break away from main idea of the present invention certainly.
Claims (11)
1. clutch gear manufacturing installation, it is used to make the employed clutch gear of many bevel-types sychronisation, and wherein, this clutch gear manufacturing installation has:
Former, it can be so that the vertical mode that makes progress of chamfering be arranged on the clutch gear time processing product of intermediate that outer peripheral face is formed with the above-mentioned clutch gear of conduct of the spline tooth with chamfering, and has and can make above-mentioned spline tooth be configured as the back taper tooth of back taper;
Punch, it can push away the above-mentioned clutch gear time processing product that are arranged in the former down, above-mentioned spline tooth is pressed on the above-mentioned back taper tooth;
Stripper sleeve, it is accepted by the above-mentioned clutch gear time processing product that push away under this punch;
And drift, it can be disposed in the above-mentioned punch up or down, and this drift is pushed at above-mentioned spline tooth that the side at above-mentioned clutch gear time processing product forms taper hole under the state on the above-mentioned back taper tooth.
2. clutch gear manufacturing installation according to claim 1 is characterized in that, above-mentioned punch forms the roughly the same drum of tip diameter of its external diameter and above-mentioned back taper tooth.
3. clutch gear manufacturing installation according to claim 1 and 2, it is characterized in that, above-mentioned stripper sleeve sandwiches above-mentioned clutch gear time processing product between above-mentioned stripper sleeve and the above-mentioned punch with authorized pressure when accepting above-mentioned clutch gear time processing product.
4. clutch gear manufacturing installation according to claim 1 and 2 is characterized in that, above-mentioned stripper sleeve forms to be connected to above-mentioned clutch gear time processing product with the roughly the same diameter of the tip diameter of above-mentioned back taper tooth.
5. clutch gear manufacturing installation according to claim 1 and 2, it is characterized in that, in order to push away this clutch gear time processing product under the state that above-mentioned clutch gear time processing product is sandwiched between above-mentioned stripper sleeve and the above-mentioned punch, above-mentioned stripper sleeve is accepted above-mentioned clutch gear time processing product.
6. clutch gear manufacturing installation according to claim 1 and 2 is characterized in that, above-mentioned stripper sleeve is formed with the inserting hole that can supply above-mentioned drift to run through.
7. a clutch gear manufacture method is used to make the clutch gear that uses on many bevel-types sychronisation, and wherein, above-mentioned clutch gear manufacture method has following steps:
(a) form at outer peripheral face and have the spline tooth of chamfering and be shaped as the clutch gear time processing product of the intermediate of above-mentioned clutch gear;
(b) above-mentioned spline tooth is configured as on the former of back taper tooth of back taper having, makes that above-mentioned chamfering is vertical up to be provided with above-mentioned clutch gear time processing product;
(c), simultaneously above-mentioned spline tooth is pressed on the above-mentioned back taper tooth and is configured as back taper by pushing away the above-mentioned clutch gear time processing product that are arranged on the above-mentioned former under the punch;
(d) accepted by above-mentioned stripper sleeve under the state that above-mentioned spline tooth is pressed to the above-mentioned clutch gear time processing product on the above-mentioned back taper tooth, the drift that utilization can be disposed in the above-mentioned punch up or down forms taper hole in the side of above-mentioned clutch gear time processing product.
8. the manufacture method of clutch gear according to claim 7, it is characterized in that above-mentioned steps (c) is to push to the step of stating clutch gear time processing product by forming under the punch that has with the drum of the roughly the same external diameter of the tip diameter of above-mentioned back taper tooth.
9. according to the manufacture method of claim 7 or 8 described clutch gears, it is characterized in that above-mentioned steps (c) is the step that above-mentioned clutch gear time processing product push away down with the state quilt that sandwiches between above-mentioned stripper sleeve and the above-mentioned punch.
10. the manufacture method of clutch gear according to claim 9 is characterized in that,
Above-mentioned steps (c) is when accepting above-mentioned clutch gear by above-mentioned stripper sleeve, with authorized pressure above-mentioned clutch gear time processing product is sandwiched step between this stripper sleeve and the above-mentioned punch.
11. the manufacture method of the described clutch gear of claim 10, above-mentioned steps (d) are that above-mentioned stripper sleeve is formed the step of accepting above-mentioned clutch gear time processing product with the roughly the same diameter of the tip diameter of above-mentioned back taper tooth.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-210522 | 2007-08-10 | ||
| JP2007210522A JP4368394B2 (en) | 2007-08-10 | 2007-08-10 | Clutch gear manufacturing apparatus and clutch gear manufacturing method |
| JP2007210522 | 2007-08-10 |
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| Publication Number | Publication Date |
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| CN101362181A CN101362181A (en) | 2009-02-11 |
| CN101362181B true CN101362181B (en) | 2011-06-08 |
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| CN2008101349283A Active CN101362181B (en) | 2007-08-10 | 2008-08-07 | Clutch gear manufacturing apparatus and clutch gear manufacturing method |
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| Country | Link |
|---|---|
| EP (1) | EP2025430B1 (en) |
| JP (1) | JP4368394B2 (en) |
| CN (1) | CN101362181B (en) |
| DE (1) | DE602008000657D1 (en) |
| ES (1) | ES2339824T3 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2953744B1 (en) | 2009-12-16 | 2012-03-09 | Fed Mogul Sintertech | PROCESS FOR PRODUCING, BY METALLURGY OF POWDERS, A CRABOT CROWN |
| CN101869943B (en) * | 2010-06-30 | 2012-10-03 | 奇瑞汽车股份有限公司 | Punching device for drawing die and plate positioning method |
| CN103272940B (en) * | 2013-06-18 | 2016-05-18 | 湖北中航精机科技有限公司 | A kind of synchronized is in conjunction with processing method and the particular manufacturing craft thereof of ring gear |
| JP6187203B2 (en) * | 2013-11-29 | 2017-08-30 | アイシン精機株式会社 | Valve timing control device |
| EP3210688B1 (en) * | 2016-02-24 | 2018-05-23 | ATF Auer Teilefertigung GmbH | Method and tool for the production of metal components for gear synchronisation |
| CN109175924B (en) * | 2018-10-17 | 2020-05-08 | 汉德车桥(株洲)齿轮有限公司 | Machining process of triple driving cylindrical gear |
| CN110523903B (en) * | 2019-08-22 | 2022-06-03 | 重庆伊洛美克动力总成有限公司 | Step type gear hub forming mechanism and forming method thereof |
| CN112845795B (en) * | 2020-12-28 | 2023-03-21 | 浙江格洛博机械科技股份有限公司 | Continuous spline forming equipment for inner hub of gearbox brake |
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| JPH0685972B2 (en) * | 1984-10-12 | 1994-11-02 | 富士重工業株式会社 | Cold plastic forming method for spline pieces |
| JPH0698451B2 (en) * | 1984-11-28 | 1994-12-07 | 富士重工業株式会社 | Method of aligning work piece and die in cold plastic working |
| JP2003088935A (en) * | 2001-09-13 | 2003-03-25 | Sumitomo Heavy Ind Ltd | Manufacturing method of external gear |
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| EP2025430B1 (en) | 2010-02-17 |
| JP2009039781A (en) | 2009-02-26 |
| ES2339824T3 (en) | 2010-05-25 |
| EP2025430A1 (en) | 2009-02-18 |
| DE602008000657D1 (en) | 2010-04-01 |
| JP4368394B2 (en) | 2009-11-18 |
| CN101362181A (en) | 2009-02-11 |
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