CN107000029A - Diameter of axle aggrandizement apparatus and diameter of axle increasing method - Google Patents
Diameter of axle aggrandizement apparatus and diameter of axle increasing method Download PDFInfo
- Publication number
- CN107000029A CN107000029A CN201580063423.0A CN201580063423A CN107000029A CN 107000029 A CN107000029 A CN 107000029A CN 201580063423 A CN201580063423 A CN 201580063423A CN 107000029 A CN107000029 A CN 107000029A
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- axle
- diameter
- pars intermedia
- external diameter
- axial direction
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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
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
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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
- B21K1/06—Making machine elements axles or shafts
- B21K1/12—Making machine elements axles or shafts of specially-shaped cross-section
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Automatic Assembly (AREA)
Abstract
There is provided diameter of axle aggrandizement apparatus and diameter of axle increasing method.The diameter of axle aggrandizement apparatus includes：Pressurizer, the pressurizer applies pressure to the two ends of axle in the axial direction；Load generator, the load generator puts on alternate load the pars intermedia of axle on direction intersecting axially；Detector, the detector detect due to pressure and alternate load application and with compression in the axial direction with the external diameter of the pars intermedia increased；And controller, controller control pressurizer and load generator.Detector includes being arranged to the contact element that contacts with the outer peripheral face of pars intermedia, so that the displacement based on contact element detects external diameter.Controller is adjusted the pressure applied by pressurizer based on the external diameter detected and stops the compression of pars intermedia.
Description
Technical field
The present invention relates to a kind of diameter of axle aggrandizement apparatus and diameter of axle increasing method.
Background technology
Diameter of axle increase is the method for forming relative diameter increase portion in the pars intermedia of axle.For example, according to existing skill
The diameter of axle increasing method of art, will put in the state of the two ends of axle for the pressure for being compressed axially axle, be bent by applying
Angle ground rotary shaft, and axle is partly increased, so as to form enlarged diameter portion.
The diameter of axle aggrandizement apparatus for carrying out diameter increase generally includes driving side retainer unit and by driving side retainer list
Member, the driving side retainer unit and the sleeve for being included the end for holding shaft respectively by driving side retainer unit, and
And set along the datum line for setting axle, and the diameter of axle aggrandizement apparatus is by making by driving side retainer unit along base
Directrix move and in the axial direction compressional axis while, rotate with the inclined driving side retainer of some angle relative to datum line
Unit, and increase a part for axle.Then, when driving side retainer unit and by between the sleeve of driving side retainer unit
When distance has been changed to predetermined distance, stop compression, and terminate the diameter increase processing of the part for increasing axle.
In addition, in diameter of axle aggrandizement apparatus described in JP 4927599B2, the external diameter of the pars intermedia of axle is measured, rather than
Driving side retainer unit with by the distance between sleeve of driving side retainer unit, and when the external diameter of pars intermedia has reached
During to desired external diameter, stop compression and terminate diameter increase processing.
It is typically based on and the distance between sleeve is detected by the displacement of driving side retainer unit indirectly.Here,
For example, the plastic deformation when repeating diameter increase causes heating in axle, because causing sleeve due to the heating
Temperature gradually rises, so in some cases, sleeve may thermal expansion.If sleeve thermal expansion, based on being protected by driving side
The displacement of holder unit and the distance between sleeve that indirect detection is arrived changes, and if based on the distance before sleeve
To control diameter increase to handle, then the dimensional accuracy of the enlarged diameter portion of product may be reduced.
Control diameter increase to handle if based on the external diameter of the pars intermedia for the axle to be increased, then can overcome due to repeating
The change of the distance between the sleeve for carrying out diameter increase and producing and the dimensional accuracy of the enlarged diameter portion of caused product
Reduction, but in this case, it is necessary to accurately measurement axle pars intermedia external diameter.
For example, the external diameter of axle can be measured by using non-contact type rangefinder, and such rangefinder is logical
Often use laser or ultrasonic wave.However, in order to prevent the attachment between axle and sleeve, lubricant generally to be put on to the table of axle
Face, and accordingly, there exist such possibility：Lubricant may interfere with the reflection of laser or ultrasonic wave, so as to reduce in axle
Between portion external diameter accuracy of detection.It additionally, there are the possibility that accuracy of detection is also possible to reduce due to environment temperature etc..Knot
Really, the dimensional accuracy of the enlarged diameter portion of product may be reduced.
The content of the invention
The purpose of the present invention is to improve the processing accuracy of diameter increase.
According to aspects of the present invention there is provided a kind of diameter of axle aggrandizement apparatus, including：Pressurizer, the pressurizer is configured to
The two ends of axle are applied pressure to, to compress the axle in the axial direction；Load generator, the load generator be configured to
On the direction axially intersected, alternate load is put on to the pars intermedia of the axle；Detector, the detector is configured to inspection
Survey due to the pressure of pressurizer application and the alternate load of load generator application with compression in the axial direction
With the external diameter of the pars intermedia of the axle of increase；And controller, the controller is configured as controlling the pressurizer and institute
State load generator.The detector includes contact element, and the contact element is arranged to contact the centre of the axle
The outer peripheral face in portion, and the detector is configured to the displacement based on the contact element, to detect the institute of the pars intermedia
State external diameter.The controller is configured as based on as the external diameter detected by the detector, to adjust by the pressurization
Device apply pressure and stop the axle the pars intermedia compression.
According to another aspect of the present invention there is provided a kind of diameter of axle increasing method, including：Apply pressure to the two of axle
End, to compress the axle in the axial direction, and with the direction axially intersected, alternate load is put on into the axle
Pars intermedia, so as to increase the pars intermedia of the axle with the compression on the axial direction；Based on described in the axle
The displacement of the contact element of the outer peripheral face contact of pars intermedia, detects the external diameter of the pars intermedia of the axle；And based on described
The external diameter detected of pars intermedia, adjustment put on the axle two ends pressure, and stop the axle it is described in
Between portion compression.
Brief description of the drawings
Fig. 1 is the figure for an example for illustrating the structure of diameter of axle aggrandizement apparatus according to an embodiment of the invention.
Fig. 2A is an example of the diameter of axle increasing method for illustrating the diameter of axle aggrandizement apparatus progress by using Fig. 1
Figure.
Fig. 2 B are another figures for illustrating the diameter of axle increasing method shown in Fig. 2A.
Fig. 2 C are another figures for illustrating the diameter of axle increasing method shown in Fig. 2A and 2B.
Fig. 2 D are another figures for illustrating the diameter of axle increasing method shown in Fig. 2A to 2C.
Fig. 2 E are another figures for illustrating the diameter of axle increasing method shown in Fig. 2A to 2D.
Fig. 3 is the figure of an example of the structure of the detector for the diameter of axle aggrandizement apparatus for illustrating Fig. 1.
Fig. 4 is the figure of the structure of the variation for the diameter of axle aggrandizement apparatus for illustrating Fig. 1.
Fig. 5 A are the figures for illustrating another example of diameter of axle increasing method according to an embodiment of the invention.
Fig. 5 B are another figures for illustrating the diameter of axle increasing method shown in Fig. 5 A.
Fig. 5 C are another figures for illustrating the diameter of axle increasing method shown in Fig. 5 A and 5B.
[Fig. 6 A] Fig. 6 A are the figures for illustrating another example of diameter of axle increasing method according to an embodiment of the invention.
Fig. 6 B are another figures for illustrating the diameter of axle increasing method shown in Fig. 6 A.
Fig. 7 A are the figures for illustrating another example of diameter of axle increasing method according to an embodiment of the invention.
Fig. 7 B are another figures for illustrating the diameter of axle increasing method shown in Fig. 7 A.
Fig. 8 A are the figures for illustrating another example of diameter of axle increasing method according to an embodiment of the invention.
Fig. 8 B are another figures for illustrating the diameter of axle increasing method shown in Fig. 8 A.
Fig. 9 is the image of the change of the external diameter for the enlarged diameter portion for illustrating the product obtained in experiment embodiment.
Figure 10 is the image of the change of the external diameter for the enlarged diameter portion for illustrating the product obtained in experiment embodiment.
Embodiment
Fig. 1 illustrates an example of the structure of the diameter of axle aggrandizement apparatus for describing embodiments of the invention.
It will put on for being compressed axially axle W pressure in the state of axle W two ends, Fig. 1 diameter of axle aggrandizement apparatus leads to
With crossing application angle of bend rotary shaft W, and increase axle W pars intermedia.
Diameter of axle aggrandizement apparatus includes：A pair of holders unit 1,2, it is set along the datum line A for setting axle W；Pressurization
Device 3, the pressurizer 3 is configured to apply pressure to axle W two ends, with compressional axis W in the axial direction；Load generator 4, the load
Lotus generator 4 is configured on the axial direction intersected with axle W alternate load putting on axle W；Detector 5, the detection
Device 5 is configured as detecting the external diameter of the pars intermedia for the axle W to be increased；With controller 6.
Retainer unit 1 includes：Sleeve 10, axle W end is inserted into the sleeve 10；With push rod 11, the push rod 11 is used
In the end for propping up the axle W being inserted into sleeve 10.Retainer unit 2 has similar structure, and including sleeve 12 and top
Bar 13.
Axle W is supported by the push rod 11 of retainer unit 1 at one end, and by the top of retainer unit 2 at the other end
Bar 13 is supported, so as to be maintained between retainer unit 1 and retainer unit 2.
The pars intermedia for the axle W being positioned between device unit 1 and retainer unit 2 is increased and increased by diameter, from
And form the enlarged diameter portion of product.Axle W before treatment is suitably determined according to the thickness and external diameter of enlarged diameter portion
Pars intermedia length D axially.
Pressurizer 3 makes retainer unit 2 be moved in parallel along datum line A, and applies pressure to the two of axle W
End, so that the compressional axis W in the axial direction via retainer unit 1,2.
Load generator 4 provides axle W angle of bend by tilting retainer unit 1 so that retainer unit 1
Rotary shaft can obliquely intersect datum line A.Then, load generator 4 makes the inclining around retainer unit 1 of retainer unit 1
Oblique rotary shaft rotation so that the alternate load on the direction that the axial direction with axle W intersects can put on axle W pars intermedia.
Detector 5 detects the external diameter of the pars intermedia for the axle W being positioned between device unit 1 and retainer unit 2.In figure
In the example shown, detector 5 includes contact element 14, and the contact element 14 is arranged on retainer list with axle W pars intermedia
The outer peripheral face contact of the part of first 1 side, so as to detect the external diameter of axle W pars intermedia by using the displacement of contact element 14.
Controller 6 controls pressurizer 3 and load generator 4, is increased with the diameter for carrying out being used to increase axle W pars intermedia.
In addition, during diameter increase, external diameter of the controller 6 based on the pars intermedia as the axle W detected by detector 5, by adjusting
It is whole to stop axle W compression by the pressure applied of pressurizer 3, and terminate the diameter increase of the pars intermedia for increasing axle W
Processing.
Fig. 2A to 2E illustrates the diameter of axle increasing method carried out by using above-mentioned diameter of axle aggrandizement apparatus.
As shown in Figure 2 A, axle W is maintained between retainer unit 1 and retainer unit 2.
Then, as shown in Figure 2 B, make retainer unit 2 in parallel along datum line using pressurizer 3 (referring to Fig. 1)
A is moved, so that the axle W being maintained between retainer unit 1 and retainer unit 2 is applied pressure to, to press in the axial direction
Contracting axle W.In addition, making retainer unit 1 be tilted relative to datum line A using load generator 4 (referring to Fig. 1), and rotate guarantor
Holder unit 1.The angle of inclination of retainer unit 1 is set as axle W is bent the angle to deform in elastic limit, and
The usual angle is about 2 ° to 3 °.
The axle W between retainer unit 1 and retainer unit 2 is maintained at the flexural center O on datum line A
Bending, and rotated around axle W axis.Pass through axle W bending and rotation, on the direction that the axial direction with axle W intersects, alternation
Load puts on the axle W of bending pars intermedia in the inner side and outer side of bending direction.
As shown in Figure 2 C, inner side protrusion of the axle W compressed the pars intermedia due to Plastic Flow on bending direction.So
Afterwards, protruded and grown throughout complete cycle caused by Plastic Flow around the rotation of axis according to axle W, and thereby, axle W's
Pars intermedia increases.The external diameter of axle W pars intermedia is continuously detected using detector 5.
As shown in Figure 2 D, when the external diameter of axle W pars intermedia reaches specified diameter, output of the controller 6 based on detector 5
Signal and the external diameter that detects axle W pars intermedia has reached specified diameter.Then, controller 6 (referring to Fig. 1) adjustment is by pressurizeing
The pressure that device 3 applies, so as to stop axle W compression.So as to complete the diameter increase processing of the pars intermedia for increasing axle W.
Defined briquetting pressure is put on to the axle W for stopping being compressed followed by pressurizer 3.Then, produced using load
Raw device 4 is again set retainer unit 1 along datum line A, so that axle W is straightened.By straightening axle W, make axle W increase
Pars intermedia thickness it is equal throughout complete cycle.
In the example illustrated, in the state of retainer unit 1,2 is set along datum line A, holding shaft W centre
Distance between the end face 10a of the sleeve 10 in portion and the end face 12a of sleeve 12 in the axial direction is along being radially constant, and axle
W pars intermedia is formed as with the generally disc-like of uniform thickness.
By aforementioned processing, axle W diameter increase is completed, and stops axle W rotation.Thereafter, as shown in Figure 2 E, respectively
The push rod 11 of retainer unit 1 and the push rod 13 of retainer unit 2 are driven, so that product P is taken out from retainer unit 1,2,
Product P has by increasing enlarged diameter portion Pa formed by axle W pars intermedia.
In above-mentioned diameter increase, in order to suppress the inner peripheral surface or end face 10a, 12a that product P is attached to sleeve 10,12,
Lubricant is put on to axle W surface before diameter increase.If lubricant to be put on to axle W surface, axle W is acted on
Frictional force between sleeve 10,12 reduces, so that suppressing product P is attached to sleeve 10,12, and suppresses as taking-up product P
When damage product P.As a result, it is possible to improve the operability when taking out product P and product P quality.
Here, the detector 5 for the external diameter for the pars intermedia for detecting axle W includes contacting with the outer peripheral face of axle W pars intermedia
Contact element 14, and detector 5 detects the external diameter of axle W pars intermedia using the displacement of contact element 14.Due to utilizing
The displacement of the contact element 14 contacted with the outer peripheral face of axle W pars intermedia is detected, puts on axle W's so can reduce
The influence of lubricant, the environment temperature on surface etc., so as to improve accuracy of detection.
Fig. 3 illustrates an example of the structure of the detector 5 including contact element 14.
Detector 5 includes contact element 14, supporting part 15 and measurement portion 16.
Contact element 14 is formed as shaft-like, and the outer peripheral face at the end 14a of contact element 14 with axle W pars intermedia
Contact.The contact element 14 that the support of supporting part 15 can be swung around the rotary shaft 17 parallel with datum line A.Supporting part 15 passes through
Fixed component 18 is properly secured in the non-rotating portion of retainer unit 1.When axle W pars intermedia increase, contact element 14
Swung around rotary shaft 7, so that end 14a is shifted, and therefore, the base of the opposite side positioned at rotary shaft 17 of contact element 14
Portion 14b is also shifted.
The base portion 14b of the measurement contact element 14 of measurement portion 16 displacement.In the example illustrated, dial-type is indicated
Device is used as measurement portion 16, and based on measuring contact element with vertically moving for the gauge head 19 of the base in contact of contact element 14
14 base portion 14b displacement.
According to the end 14a (that is, with axle W contact point) from contact element 14 to rotary shaft 17 distance with from contact element
The base portion 14b (that is, with the contact point of gauge head 19) of part 14 will be surveyed to the ratio between the distance of rotary shaft 18 by measurement portion 16
The displacement measured is converted into the end 14a of contact element 14 displacement, and the external diameter of axle W pars intermedia is detected with this.
Can be by using non-contact type displacement sensing as such as laser displacement sensor or ultrasound displacement sensor
Device, come the base portion 14b that measures contact element 14 displacement, but it is preferable to use the dial-type in all examples as illustrated refers to
Show contact-type displacement transducer as device, and thereby ambient influence as such as temperature can be reduced, to improve in axle W
Between portion external diameter accuracy of detection.
Then, the external diameter for describing the pars intermedia based on axle W is stopped into the effect that axle W compression is realized.
In parallel move retainer unit 2 using pressurizer 3, in the movement based on the retainer unit 2
Measure and in the case of stopping axle W compression, if the thermal expansion due to diameter increase processing repeatedly of sleeve 10,12, although protecting
The amount of movement of holder unit 2 is identical, but the distance between the end face 10a of sleeve 10 and end face 12a of sleeve 12 is gradually reduced.
If the distance between the end face 10a of sleeve 10 and end face 12a of sleeve 12 reduces, product P diameter increase
Portion Pa thickness reduces.No matter the thermal expansion of sleeve 10,12, the volume of the pars intermedia for the axle W to be increased is constant, and
And therefore, enlarged diameter portion Pa obtained from the pars intermedia by increasing axle W reduces and diameter increase with thickness.
(that is, the external diameter of the pars intermedia of the axle W before processing is removed with enlarged diameter portion Pa desired diameter Magnification
With product P enlarged diameter portion Pa external diameter) increase, the volume increase corresponding with the thickness of reduction.Therefore, as diameter increases
Big portion Pa desired diameter Magnification becomes big, more seriously causes the diameter caused by thickness reduces to increase.
By contrast, axle W compression is stopped if based on the external diameter of the pars intermedia for the axle W to be increased, even if then when anti-
When carrying out diameter increase again, the dimensional accuracy of enlarged diameter portion Pa external diameter also can be stably ensured.
Fig. 4 illustrates the distressed structure of diameter of axle aggrandizement apparatus.
According to Fig. 4 diameter of axle aggrandizement apparatus, in the state of retainer 1,2 is arranged along datum line A, in holding shaft W
Between portion the end face 10a of sleeve 10 and the end face 12a of sleeve 12 between distance in the axial direction towards end face 10a, 12a footpath
Diminish laterally.Product P diameter increases obtained from pars intermedia by increasing the axle W being constrained between end face 10a and 12a
Big portion Pa is formed as towards the tapered shape of the radial outside of pars intermedia.
In this example, reduce with enlarged diameter portion Pa thickness, further help in diameter increase.Therefore, especially
External diameter suitable for the increase of the pars intermedia based on axle W stops compression, and thereby, even if when diameter increase is repeated, also can
The dimensional accuracy of enough external diameters for stably ensuring enlarged diameter portion Pa.
Diameter of axle aggrandizement apparatus and diameter of axle increasing method are not limited to above-mentioned diameter of axle aggrandizement apparatus and diameter of axle increasing method.
In the illustrative methods that Fig. 5 A to 5C are illustrated, although by with identical with the diameter of axle increasing method shown in Fig. 1
Axis bending and rotation of the mode around axle W, and alternate load is put on to axle W pars intermedia, but by with benchmark
Slip retainer unit 1 on the direction that line A intersects, rather than retainer unit 1 is tilted relative to datum line A, so that axle W is curved
It is bent.
In the illustrative methods shown in Fig. 6 A and 6B, an axle W end by a retainer unit 1 rotatably and
Unfetteredly keep, axle W another end by another retainer unit 2 it is restrictive keep, and retainer unit 1
Rotated with the axle W end kept by retainer unit 1 around datum line A for bending axis W, and alternate load is applied
In the axle W of bending pars intermedia.
In the illustrative methods shown in Fig. 7 A and 7B, axle W end respectively by retainer unit 1,2 non-rotatably and
Keep restrictively, and retainer unit 1 is around datum line A reciprocating rotations, the centre alternate load to be put on to axle W
Portion.
In the illustrative methods shown in Fig. 8 A and 8B, axle W is applied by using vibration machine OSC and bends or distorts
Vibration, and alternate load is put on to axle W pars intermedia.
And in Fig. 5 A into the diameter of axle increasing method shown in 8B, the pars intermedia based on the axle W to be increased can be passed through
External diameter stops axle W compression, and stably ensures the dimensional accuracy of enlarged diameter portion Pa external diameter.
Fig. 9 and 10 illustrates the product P being repeated by using Fig. 1 diameter of axle aggrandizement apparatus obtained by diameter increase
Enlarged diameter portion Pa external diameter change.
When the amount of movement based on retainer unit 2 stops axle W compression, the change of the external diameter shown in Fig. 9 is obtained, and
When the external diameter of the pars intermedia based on the axle W to be increased stops axle W compression, the change of the external diameter shown in Figure 10 is obtained.
Stop axle W compression if based on the amount of movement of retainer unit 2, then enlarged diameter portion Pa external diameter with when
Between, i.e. gradually increased by the way that diameter increase is repeated, as seen ground from Fig. 9.
By contrast, axle W compression is stopped by the external diameter of the pars intermedia based on the axle W to be increased, even if ought be repeatedly
When carrying out diameter increase, enlarged diameter portion Pa external diameter also can be stably ensured, as can be seen from fig. 10.
Based on these results, it is thus identified that：Stop axle W compression if based on the external diameter of the pars intermedia for the axle W to be increased,
Even if diameter increase is then repeated, the dimensional accuracy of enlarged diameter portion Pa external diameter also can be stably ensured.
As described above, diameter of axle aggrandizement apparatus disclosed herein includes：Pressurizer, the pressurizer is configured to apply pressure
In the two ends of axle, to compress the axle in the axial direction；Load generator, the load generator is configured to axially hand over described
Alternate load is put on to the pars intermedia of the axle on the direction of fork；Detector, the detector is configured to detection due to described
Alternate load that the pressure and the load generator that pressurizer applies apply and institute with compression in the axial direction to increase
State the external diameter of the pars intermedia of axle；And controller, the controller is configured as controlling the pressurizer and the load to produce
Device.The detector includes contact element, and the contact element is arranged to contact the outer peripheral face of the pars intermedia of the axle,
And the detector is configured to the displacement based on the contact element to detect the external diameter of the pars intermedia.The control
Device processed is configured as based on as the external diameter detected by the detector, to adjust the pressure applied by the pressurizer simultaneously
And stop the compression of the pars intermedia of the axle.
The diameter of axle aggrandizement apparatus can also include a pair of constraint components, and a pair of constraint components have containment surfaces, with
The pars intermedia of the axle is maintained between the containment surfaces on axial direction, wherein, the containment surfaces are configured such that institute
The radial outside for stating the distance between containment surfaces towards the containment surfaces diminishes.
Diameter of axle increasing method disclosed herein includes：The two ends of axle are applied pressure to, to compress the axle in the axial direction,
And with the direction axially intersected, alternate load to be put on to the pars intermedia of the axle, so that with the axial direction
Compression and increase the pars intermedia of the axle；The contact element contacted based on the outer peripheral face with the pars intermedia of the axle
Displacement, detect the external diameter of the pars intermedia of the axle；And the external diameter detected based on the pars intermedia, adjustment
Put on the pressure at the two ends of the axle and stop the compression of the pars intermedia of the axle.
The diameter of axle increasing method can also include the pars intermedia of the axle being maintained on the axial direction a pair
Between constraint component, so that it is tapered that the pars intermedia of the axle is increased into radial outside towards the pars intermedia.
The Japanese patent application No.2014-235364 that the application was submitted based on November 20th, 2014, the patent application
Full content is incorporated herein by reference.
Claims (4)
1. a kind of diameter of axle aggrandizement apparatus, including：
Pressurizer, the pressurizer is configured to apply pressure to the two ends of axle, to compress the axle in the axial direction；
Load generator, the load generator is configured to alternate load is put on into institute on the direction axially intersected
State the pars intermedia of axle；
Detector, the detector is configured to what detection applied due to the pressure and the load generator of pressurizer application
Alternate load and the external diameter of the pars intermedia of the axle increased with the compression on the axial direction；With
Controller, the controller is configured as controlling the pressurizer and the load generator,
Wherein, the detector includes contact element, and the contact element is arranged to contact the outer of the pars intermedia of the axle
Side face, the detector is configured to the displacement based on the contact element to detect the external diameter of the pars intermedia, and
Wherein, the controller is configured as, based on as the external diameter detected by the detector, to adjust by described being added
Depressor apply pressure and stop the axle the pars intermedia compression.
2. diameter of axle aggrandizement apparatus according to claim 1, in addition to a pair of constraint components, a pair of constraint components have about
Beam face, so that the pars intermedia of the axle is maintained between the containment surfaces on the axial direction, wherein, the containment surfaces quilt
It is constructed so that the radial outside of the distance between described containment surfaces towards the containment surfaces diminishes.
3. a kind of diameter of axle increasing method, including：
The two ends of axle are applied pressure to, will to compress the axle in the axial direction, and on the direction intersected with the axial direction
Alternate load puts on the pars intermedia of the axle, so as to increase the centre of the axle with the compression on the axial direction
Portion；
The displacement of the contact element contacted based on the outer peripheral face with the pars intermedia of the axle, detects the centre of the axle
The external diameter in portion；And
Based on the external diameter of the detected pars intermedia, adjustment puts on the pressure at the two ends of the axle and stopped
The only compression of the pars intermedia of the axle.
4. diameter of axle increasing method according to claim 3, in addition to by the pars intermedia of the axle on the axial direction
It is maintained between a pair of constraint components, so that the pars intermedia of the axle to be increased to the radial outside towards the pars intermedia
It is tapered.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-235364 | 2014-11-20 | ||
| JP2014235364A JP6463953B2 (en) | 2014-11-20 | 2014-11-20 | Shaft enlargement processing machine and shaft enlargement processing method |
| PCT/JP2015/005810 WO2016079997A1 (en) | 2014-11-20 | 2015-11-20 | Shaft diameter enlarging apparatus and shaft diameter enlarging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107000029A true CN107000029A (en) | 2017-08-01 |
| CN107000029B CN107000029B (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580063423.0A Active CN107000029B (en) | 2014-11-20 | 2015-11-20 | Shaft diameter increasing device and shaft diameter increasing method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6463953B2 (en) |
| CN (1) | CN107000029B (en) |
| MX (1) | MX2017006414A (en) |
| WO (1) | WO2016079997A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019084539A (en) * | 2017-11-01 | 2019-06-06 | 高周波熱錬株式会社 | Processing condition setting method of shaft thickening processing, shaft thickening processing method and shaft thickening processing apparatus |
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- 2015-11-20 WO PCT/JP2015/005810 patent/WO2016079997A1/en active Application Filing
- 2015-11-20 MX MX2017006414A patent/MX2017006414A/en unknown
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| WO1986001885A1 (en) * | 1984-09-21 | 1986-03-27 | Gerhard Staufert | Method and device for measuring a workpiece |
| CN101111327A (en) * | 2005-01-31 | 2008-01-23 | 昭和电工株式会社 | Upsetting method and upsetting apparatus |
| CN101111329A (en) * | 2005-01-31 | 2008-01-23 | 昭和电工株式会社 | Upsetting method and upsetting apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| MX2017006414A (en) | 2017-09-12 |
| JP6463953B2 (en) | 2019-02-06 |
| CN107000029B (en) | 2019-12-10 |
| WO2016079997A1 (en) | 2016-05-26 |
| JP2016097423A (en) | 2016-05-30 |
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