CN103981360B - The vibration stress relief treatment method of axial workpiece and device - Google Patents
The vibration stress relief treatment method of axial workpiece and device Download PDFInfo
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- CN103981360B CN103981360B CN201410237009.4A CN201410237009A CN103981360B CN 103981360 B CN103981360 B CN 103981360B CN 201410237009 A CN201410237009 A CN 201410237009A CN 103981360 B CN103981360 B CN 103981360B
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Abstract
A kind of vibration stress relief treatment method of axial workpiece and device.Method be by axial workpiece by clamping mechanism clamping on lathe, guarantee that an end face of axial workpiece is exposed on clamping mechanism, the axial workpiece end exposed at this arranges vibration stress relief treatment device, and exciting force that exported by this vibration stress relief treatment device, impact groove class part end face carries out vibration stress relief treatment to axial workpiece.Device is formed primarily of vibrating air cylinder, top stem casing, exciting push rod and compressed air source, be equipped with dislocation on vibration type piston, vibrating air cylinder by piston reset elastomeric seal in vibrating air cylinder and be furnished with inlet mouth and venting port, inlet mouth and compressed air source are connected, the vibration type piston resetted is by venting port shutoff, and top stem casing is axially connected on vibrating air cylinder, exciting push rod is assemblied in top stem casing by push rod Flexible Reset body.It is by mutually compatible with oscillating aging for the machine tooling of axial workpiece, and then it is high significantly to improve production efficiency, and production cost is low.
Description
Technical field
The present invention relates to the vibration stress relief treatment technology of workpiece, specifically a kind of vibration stress relief treatment method of axial workpiece, and the vibration stress relief treatment device matched with the method.
Background technology
In the mechanical processing process of axial workpiece, in order to ensure blank or rough machined axial workpiece, there is good cutting ability, need the process carrying out eliminating internal residual stress to blank or rough machined axial workpiece.The treatment technology of this elimination internal residual stress mainly contains two kinds, and one is modifier treatment, and another kind is vibration stress relief treatment.
Wherein, vibration stress relief treatment applies a dynamic stress by the form of vibration to axial workpiece, after the dynamic stress applied superposes with the unrelieved stress of axial workpiece itself, when meeting or exceeding the microcosmic yield strength of material, the local of microcosmic or macroscopic view, overall elastoplastic deformation will be there is in axial workpiece, reduce and the unrelieved stress of homogenizing axial workpiece inside simultaneously, finally reach and prevent axial workpiece at the finishing steps such as turning and the distortion after coming into operation and cracking, stablize size and the geometric accuracy of axial workpiece.
At present, the universal way of the part comprising axial workpiece being carried out to vibration stress relief treatment is, blank or the good part of roughing are unloaded from lathe, move to vibration stress relief treatment place, be placed on and have on certain elastic supporter, again vibrator is arranged on processed part, by vibrator, the exciting force of elimination internal residual stress is exported (such as disclosed in Chinese patent literature: a kind of medium and low frequency axial workpiece vibration ageing device to processed part, its publication number is CN202246777, publication date is on May 30th, 2012), after vibration stress relief treatment is good, again part is moved and carry out corresponding precision work to corresponding lathe.The most direct defect that this vibration stress relief treatment mode exists is, labor strength is large, and enterprises production efficiency is low, and then adds the production cost of enterprise, is unfavorable for mass production.
Summary of the invention
An object of the present invention is: for above-mentioned the deficiencies in the prior art, axial workpiece is provided to a kind of labor strength is low, production efficiency is high, production cost is low, be conducive to carrying out the vibration stress relief treatment method of mass production.
Two of object of the present invention is: for the treatment process of one of object, provides that a kind of structure is simple, structural strength is high, stablely exports exciting force, reliable and practical vibration stress relief treatment device.
An object of the present invention is achieved through the following technical solutions: a kind of vibration stress relief treatment method of axial workpiece, described treatment process be by axial workpiece by clamping mechanism clamping on lathe, guarantee that an end face of axial workpiece is exposed on clamping mechanism, the axial workpiece end exposed at this arranges vibration stress relief treatment device, and exciting force that exported by this vibration stress relief treatment device, impact groove class part end face carries out vibration stress relief treatment to axial workpiece.
Described axial workpiece is blank or through the accurate axial workpiece of rough machined non-major axis; Described non-major axis refers to that length-to-diameter ratio is less than 20.
Described vibration stress relief treatment device is fixedly connected on lathe, and its exciting force exported is just to the exposed end face of axial workpiece.
Two of object of the present invention is achieved through the following technical solutions: a kind of vibration stress relief treatment device of axial workpiece, described axial workpiece by clamping mechanism clamping on lathe, an end face of axial workpiece is exposed on clamping mechanism, described vibration stress relief treatment device is fixed on the exposed end of axial workpiece, this vibration stress relief treatment device is primarily of vibrating air cylinder, top stem casing, exciting push rod and compressed air source are formed, vibration type piston is equipped with by piston reset elastomeric seal in described vibrating air cylinder, and on vibrating air cylinder, be provided with inlet mouth and the venting port of dislocation layout, inlet mouth and compressed air source are connected, the vibration type piston resetted is by venting port shutoff, described top stem casing is axially connected on vibrating air cylinder, described exciting push rod is assemblied in top stem casing by push rod Flexible Reset body, under the reciprocating of vibration type piston, exciting push rod moves back and forth in top stem casing, exciting force is exported to axial workpiece.
Further, described exciting push rod is T-shaped or cruciform; Described exciting push rod is assemblied in top stem casing by linear bearings.
Further, the circumference of described linear bearings is assembled by the endoporus of spot contact bearing and top stem casing.
Preferably, described exciting push rod is equipped with by elastomerics the top of clamping is carried out to axial workpiece.
Further, described vibration type piston is provided with the piston mandril of answering back to exciting push rod towards the face of exciting push rod, the opposing face in exciting push rod is provided with piston limit push rod, vibration type piston is cruciform, and the length of described piston limit push rod is more than or equal to the distance of cylinder bottom to the most distal edge of inlet mouth of vibrating air cylinder.
Further, the venting port of described vibrating air cylinder is connected with sound damper.
Further, on the described vibrating air cylinder main shaft that is fixed on lathe according to the exposed end face of axial workpiece correspondence or tailstock.
The invention has the beneficial effects as follows:
Treatment process of the present invention is by mutually compatible with oscillating aging for the machine tooling of axial workpiece, namely under the clamping machine tool state of axial workpiece, just vibration stress relief treatment can be realized, thus compare existing vibration stress relief treatment mode, shielding eliminates because of unloading clip, moves, clamping etc. operates the time expended, and then significantly improve the production efficiency of enterprise, the work simultaneously reducing workman is strong, and enterprise's production cost can be effectively controlled, and is conducive to the production carrying out mass;
Treatment unit of the present invention matches with treatment process of the present invention, it is on the simple basis of structure, the acting energy utilizing compressed air source to provide promotes vibration type piston to-and-fro movement, answer back to exciting push rod by vibration type piston again to move back and forth, thus make exciting push rod export exciting force to the end face of axial workpiece is stable, the structural strength of whole treatment unit is high, and reliability is high; In addition, by top rationally, reliably the fusion of top clamping mechanism is arranged on exciting push rod, thus vibration stress relief treatment is realized while realizing clamping function, and be conducive to enhancing productivity further and the accuracy of vibration stress relief treatment, practical.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is another kind of structural representation of the present invention.
Code name implication in figure: 1-gas fittings; 2-vibration type piston; 3-piston reset elastomerics; 4-vibrating air cylinder; 5-linear bearings; 6-spot contact bearing; 7-exciting push rod; 8-venting port; 9-push rod Flexible Reset body; 10-sound damper; 11-piston limit push rod; 12-Morse taper shank; 13-top stem casing; 14-limited step; 15-compressed air source; 16-piston mandril; 17-inlet mouth; 18-top; 19-top Flexible Reset body.
Embodiment
embodiment 1
The present invention is directed blank or rough machined accurate axial workpiece, in order to ensure the reliability to axial workpiece vibration stress relief treatment, require that this axial workpiece is non-major axis axial workpiece, namely the length-to-diameter ratio of this axial workpiece is less than 20.The vibration stress relief treatment of the present invention to aforementioned axial workpiece is, guarantee that an end face of lathe rough machined (being in non-unloading clip state) or the axial workpiece for preparing rough machined (being namely in clamping state blank) is exposed on clamping mechanism, namely first axial workpiece by clamping mechanism clamping on lathe, putting before this, guarantee that an end face of axial workpiece is exposed on clamping mechanism, exposed situation is different according to the difference of clamping mechanism, the clamping mechanism conventional for axial workpiece mainly contains top clamping mechanism, chuck adds top clamping mechanism, chuck adds steady rest clamping mechanism, conveniently vibration stress relief treatment device is fixedly connected with on lathe, require that the exposed end of the axial workpiece of clamping mechanism institute clamping is in the face of accurate machine tool chief axis or tailstock.The machine tool chief axis right according to the exposed end face of axial workpiece or tailstock, the main shaft or tailstock of lathe are fixedly connected with vibration stress relief treatment device, the exciting force requiring this vibration stress relief treatment device to export will just to the exposed end face of axial workpiece, and exciting force that exported by this vibration stress relief treatment device, impact groove class part end face carries out vibration stress relief treatment to axial workpiece.
See Fig. 1: above-mentioned vibration stress relief treatment device is formed primarily of vibrating air cylinder 4, top stem casing 13, exciting push rod 7 and compressed air source 15.
Vibrating air cylinder 4 is hollow structure, there is the cylinder bottom towards machine tool chief axis or tailstock, and the cylinder bottom place that Morse taper shank 12 can be sealedly connected on vibrating air cylinder 4 by Morse taper shank 12(is connected with at this cylinder bottom place, to replace cylinder bottom, namely cylinder bottom and Morse taper shank 12 unite two into one), on the main shaft that is connected to lathe by Morse taper shank 12 or tailstock.The endoporus of vibrating air cylinder 4 is provided with ledge structure towards end (i.e. front end) place of axial workpiece, what in the endoporus of vibrating air cylinder 4, sealing was equipped with vibration type piston 2(and vibration type piston 2 is circumferentially filled with sealing-ring, endoporus hole wall contact seal by sealing-ring and vibrating air cylinder 4), be provided with the limited step 14 spacing to vibration type piston 2 at the endoporus ledge structure place of vibrating air cylinder 4, between vibration type piston 2 and limited step 14, be equipped with the preferred whisker of piston reset elastomerics 3().Be provided with inlet mouth 17 and the venting port 8 of dislocation layout in rear portion (namely near the Morse taper shank 12 place) radial direction of vibrating air cylinder 4, the position of venting port 8 is forward compared with inlet mouth 17, and venting port 8 is connected with sound damper 10, to reduce noise during work; The position of inlet mouth 17 is near the cylinder bottom (can flush with cylinder bottom) of vibrating air cylinder 4, inlet mouth 17 is sealedly connected with gas fittings 1, gas fittings 1 is sealedly connected with tracheae, gas fittings 1 is connected (compressed air source 15 should have corresponding by-pass valve control) by tracheae and compressed air source 15, when vibration type piston 2 is in reset mode, require that vibration type piston 2 is by venting port 8 shutoff.The leading flank of aforementioned vibration type piston 2 (namely towards the face of axial workpiece and following exciting push rod 7) is provided with protruding piston mandril 16, this piston mandril 16 is axially across limited step 14, when vibration type piston 2 resets, the front end of piston mandril 16 flushes with the endoporus ledge structure place (i.e. the leading flank of limited step 14) of vibrating air cylinder 4, when the time comes for answering back to exciting push rod 7, in view of this, in order to increase the service life, be provided with at the front end place of piston mandril 16 and being similar to spherical vulcanite pad, the trailing flank of vibration type piston 2 (namely opposing in the face of axial workpiece and following exciting push rod 7) is provided with protruding piston limit push rod 11, the length of this piston limit push rod 11 is much smaller than the length of piston mandril 16, the cylinder bottom requiring the summary length of piston limit push rod 11 to be more than or equal to vibrating air cylinder 4 is to the distance of the most distal edge of inlet mouth 17, namely the length of piston limit push rod 11 at least will equal the cylinder bottom of vibrating air cylinder 4 to inlet mouth 17 Distance geometry inlet mouth 17 diameter sum, only so, reliably could guarantee that pressurized air that compressed air source 15 is carried enters in vibrating air cylinder 4 effectively to do work, vibration type piston 2 is based on aforementioned structure, and it is cross shape.
Top stem casing 13 is also hollow structure, and the endoporus rear end (namely towards the end of vibrating air cylinder 4) of top stem casing 13 is ledge structure.The endoporus step place of top stem casing 13 is equipped with linear bearings 5, and the circumference of this linear bearings 5 is assembled by spot contact bearing 6 and the endoporus on front side of the step place of top stem casing 13.Exciting push rod 7 is pre-small post-large T-shaped structure (cruciform also can be adopted to replace), and the major part end cap diameter of its rear end is slightly less than the endoporus step place outside diameter of vibrating air cylinder 4; Exciting push rod 7 is installed in linear bearings 5, and between the rear end cap of exciting push rod 7 (i.e. stub end) and linear bearings 5, be equipped with the preferred whisker of push rod Flexible Reset body 9(), the front end of exciting push rod 7 requires the endoporus extending top stem casing 13, and namely exciting push rod 7 extends from the front end of top stem casing 13; Because exciting push rod 7 exports exciting force (namely clashing into the exposed end face of axial workpiece) for the exposed end face to axial workpiece, thus, in order to increase the service life, be provided with at the front end place of exciting push rod 7 and being similar to spherical vulcanite pad.The rear end of aforementioned top stem casing 13 threadably shoulder seal is connected to the front end of vibrating air cylinder 4, forms the to-and-fro movement space of exciting push rod 7 between the endoporus of the two.
Working process of the present invention is: compressed air source 15 acts on vibration type piston 2 to the pressurized air that vibrating air cylinder 4 is carried, and vibration type piston 2 moves ahead and answers back to exciting push rod 7, and exciting push rod 7 moves ahead and answers back to the exposed end face (namely exporting exciting force) of axial workpiece; When the venting port 8 of institute's shutoff being exposed after vibration type piston 2 moves ahead, the pressurized air of acting is discharged from venting port 8, the now inner release of vibrating air cylinder 4, under the effect of piston reset elastomerics 3, vibration type piston 2 resets and shutoff venting port 8 realizes storage pressure again, exciting push rod 7 resets after losing the power of answering back to, under the effect of push rod Flexible Reset body 9, and so forth, realizes the to-and-fro movement of vibration type piston 2 and exciting push rod 7, reciprocating exciting push rod 7 pairs of axial workpieces export exciting force.The output frequency of aforementioned exciting force is about 25 ~ 50HZ, and maximum vibration power can not more than 5000N.
embodiment 2
The present invention is directed blank or rough machined accurate axial workpiece, in order to ensure the reliability to axial workpiece vibration stress relief treatment, require that this axial workpiece is non-major axis axial workpiece, namely the length-to-diameter ratio of this axial workpiece is less than 20.The vibration stress relief treatment of the present invention to aforementioned axial workpiece is, axial workpiece is added top clamping mechanism clamping on lathe by top clamping mechanism or chuck, namely prepare rough machined on lathe (being namely in clamping state blank) or rough machined (being in non-unloading clip state) axial workpiece and add top clamping mechanism clamping on lathe by top clamping mechanism or chuck, guarantee by the axial workpiece of clamping end face exposed on clamping mechanism, and require that this exposed end face is in top clamping state, and require main shaft or the tailstock of positive lathe faced by this exposed end, the main shaft or tailstock of lathe are fixedly connected with vibration stress relief treatment device, the exciting force requiring this vibration stress relief treatment device to export will just to the exposed end face of axial workpiece, by vibration stress relief treatment device and aforementioned top being combined into one being in the exposed end face of axial workpiece of top clamping state, namely this vibration stress relief treatment device had both been top clamping mechanism, also be vibration stress relief treatment device, exciting force that exported by this vibration stress relief treatment device, impact groove class part end face carries out vibration stress relief treatment to axial workpiece.Based on foregoing teachings, carry top vibration stress relief treatment device and fix on lathe in advance, serve as clamping component, axial workpiece is passed through other spike member or chuck and aforementioned vibration stress relief treatment device clamping on lathe.
See Fig. 2: above-mentioned vibration stress relief treatment device primarily of vibrating air cylinder 4, top stem casing 13, exciting push rod 7, top 18 and compressed air source 15 form.
Vibrating air cylinder 4 is hollow structure, there is the cylinder bottom towards machine tool chief axis or tailstock, and the cylinder bottom place that Morse taper shank 12 can be sealedly connected on vibrating air cylinder 4 by Morse taper shank 12(is connected with at this cylinder bottom place, to replace cylinder bottom, namely cylinder bottom and Morse taper shank 12 unite two into one), on the main shaft that is connected to lathe by Morse taper shank 12 or tailstock.The endoporus of vibrating air cylinder 4 is provided with ledge structure towards end (i.e. front end) place of axial workpiece, what in the endoporus of vibrating air cylinder 4, sealing was equipped with vibration type piston 2(and vibration type piston 2 is circumferentially filled with sealing-ring, endoporus hole wall contact seal by sealing-ring and vibrating air cylinder 4), be provided with the limited step 14 spacing to vibration type piston 2 at the endoporus ledge structure place of vibrating air cylinder 4, between vibration type piston 2 and limited step 14, be equipped with the preferred whisker of piston reset elastomerics 3().Be provided with inlet mouth 17 and the venting port 8 of dislocation layout in rear portion (namely near the Morse taper shank 12 place) radial direction of vibrating air cylinder 4, the position of venting port 8 is forward compared with inlet mouth 17, and venting port 8 is connected with sound damper 10, to reduce noise during work; The position of inlet mouth 17 is near the cylinder bottom (can flush with cylinder bottom) of vibrating air cylinder 4, inlet mouth 17 is sealedly connected with gas fittings 1, gas fittings 1 is sealedly connected with tracheae, gas fittings 1 is connected (compressed air source 15 should have corresponding by-pass valve control) by tracheae and compressed air source 15, when vibration type piston 2 is in reset mode, require that vibration type piston 2 is by venting port 8 shutoff.The leading flank of aforementioned vibration type piston 2 (namely towards the face of axial workpiece and following exciting push rod 7) is provided with protruding piston mandril 16, this piston mandril 16 is axially across limited step 14, when vibration type piston 2 resets, the front end of piston mandril 16 flushes with the endoporus ledge structure place (i.e. the leading flank of limited step 14) of vibrating air cylinder 4, when the time comes for answering back to exciting push rod 7, in view of this, in order to increase the service life, be provided with at the front end place of piston mandril 16 and being similar to spherical vulcanite pad, the trailing flank of vibration type piston 2 (namely opposing in the face of axial workpiece and following exciting push rod 7) is provided with protruding piston limit push rod 11, the length of this piston limit push rod 11 is much smaller than the length of piston mandril 16, the cylinder bottom requiring the summary length of piston limit push rod 11 to be more than or equal to vibrating air cylinder 4 is to the distance of the most distal edge of inlet mouth 17, namely the length of piston limit push rod 11 at least will equal the cylinder bottom of vibrating air cylinder 4 to inlet mouth 17 Distance geometry inlet mouth 17 diameter sum, only so, reliably could guarantee that pressurized air that compressed air source 15 is carried enters in vibrating air cylinder 4 effectively to do work, vibration type piston 2 is based on aforementioned structure, and it is cross shape.
Top stem casing 13 is also hollow structure, and the endoporus rear end (namely towards the end of vibrating air cylinder 4) of top stem casing 13 is ledge structure.The endoporus step place of top stem casing 13 is equipped with linear bearings 5, and the circumference of this linear bearings 5 is assembled by spot contact bearing 6 and the endoporus on front side of the step place of top stem casing 13.Exciting push rod 7 is pre-small post-large T-shaped structure (cruciform also can be adopted to replace), and the major part end cap diameter of its rear end is slightly less than the endoporus step place outside diameter of vibrating air cylinder 4; Exciting push rod 7 is installed in linear bearings 5, and between the rear end cap of exciting push rod 7 (i.e. stub end) and linear bearings 5, be equipped with the preferred whisker of push rod Flexible Reset body 9(), the front end of exciting push rod 7 requires the endoporus extending top stem casing 13, and namely exciting push rod 7 extends from the front end of top stem casing 13; Blind hole is offered in the front end of exciting push rod 7, top Flexible Reset body 19(elastic caoutchouc or whisker etc. are equipped with in this blind hole), the blind hole diameter of external diameter Corresponding matching exciting push rod 7 of top 18, the rear end of top 18 are inserted in blind hole and top 18 front ends under reset mode are extended from the front end of exciting push rod 7 (elastic module of the corresponding top Flexible Reset body 19 of development length); Because exciting push rod 7 exports exciting force (namely clashing into the exposed end face of axial workpiece) for the exposed end face to axial workpiece, thus, in order to increase the service life, be provided with the vulcanite pad of annular at the front end place of exciting push rod 7.The rear end of aforementioned top stem casing 13 threadably shoulder seal is connected to the front end of vibrating air cylinder 4, forms the to-and-fro movement space of exciting push rod 7 between the endoporus of the two.
Working process of the present invention is: under non-vibration aged, top 18 tops of exciting push rod 7 interpolation block are contained on the exposed end face of axial workpiece, under the cooperation of other clamping component, form clamping to axial workpiece, exciting push rod 7 front end now and the exposed end face of axial workpiece keep certain impact gap.Under oscillating aging state, compressed air source 15 acts on vibration type piston 2 to the pressurized air that vibrating air cylinder 4 is carried, vibration type piston 2 moves ahead and answers back to exciting push rod 7, exciting push rod 7 moves ahead the exposed end face (namely export exciting force, top Flexible Reset body 19 is now in compressed state) of answering back to axial workpiece; When the venting port 8 of institute's shutoff being exposed after vibration type piston 2 moves ahead, the pressurized air of acting is discharged from venting port 8, the now inner release of vibrating air cylinder 4, under the effect of piston reset elastomerics 3, vibration type piston 2 resets and shutoff venting port 8 realizes storage pressure again, exciting push rod 7 resets after losing the power of answering back to, under the effect of push rod Flexible Reset body 9 (top Flexible Reset body 19 is now in release elastic stage), and so forth, realize the to-and-fro movement of vibration type piston 2 and exciting push rod 7, reciprocating exciting push rod 7 pairs of axial workpieces export exciting force.The output frequency of aforementioned exciting force is about 25 ~ 50HZ, and maximum vibration power can not more than 5000N.
Above-mentioned two embodiments are two preferably embodiments of the present invention, only for describing content of the present invention in detail, can not being used for limiting protection scope of the present invention.The present invention, except above-mentioned two embodiments, can also be had other embodiment, such as, be arranged independent of lathe by bracing frame by vibration stress relief treatment device.
Claims (7)
1. a vibration stress relief treatment device for axial workpiece, is characterized in that: described axial workpiece by clamping mechanism clamping on lathe, an end face of axial workpiece is exposed on clamping mechanism, described vibration stress relief treatment device is fixed on the exposed end of axial workpiece, this vibration stress relief treatment device is primarily of vibrating air cylinder (4), top stem casing (13), exciting push rod (7) and compressed air source (15) are formed, vibration type piston (2) is equipped with by piston reset elastomerics (3) sealing in described vibrating air cylinder (4), and on vibrating air cylinder (4), be provided with inlet mouth (17) and the venting port (8) of dislocation layout, inlet mouth (17) and compressed air source (15) are connected, the vibration type piston (2) resetted is by venting port (8) shutoff, described top stem casing (13) is axially connected on vibrating air cylinder (4), described exciting push rod (7) is assemblied in top stem casing (13) by push rod Flexible Reset body (9), under the reciprocating of vibration type piston (2), exciting push rod (7) moves back and forth in top stem casing (13), exciting force is exported to axial workpiece.
2. the vibration stress relief treatment device of axial workpiece according to claim 1, is characterized in that: described exciting push rod (7) is T-shaped or cruciform; Described exciting push rod (7) is assemblied in top stem casing (13) by linear bearings (5).
3. the vibration stress relief treatment device of axial workpiece according to claim 2, is characterized in that: the circumference of described linear bearings (5) is assembled by the endoporus of spot contact bearing (6) with top stem casing (13).
4. the vibration stress relief treatment device of axial workpiece according to claim 1 or 2, is characterized in that: described exciting push rod (7) is equipped with by elastomerics top (18) of axial workpiece being carried out to clamping.
5. the vibration stress relief treatment device of axial workpiece according to claim 1, it is characterized in that: described vibration type piston (2) is provided with the piston mandril (16) of answering back to exciting push rod (7) towards the face of exciting push rod (7), the opposing face in exciting push rod (7) is provided with piston limit push rod (11), vibration type piston (2) is cruciform, and the length of described piston limit push rod (11) is more than or equal to the distance of cylinder bottom to the most distal edge of inlet mouth (17) of vibrating air cylinder (4).
6. the vibration stress relief treatment device of axial workpiece according to claim 1 or 5, is characterized in that: the venting port (8) of described vibrating air cylinder (4) is connected with sound damper (10).
7. the vibration stress relief treatment device of axial workpiece according to claim 6, is characterized in that: on the main shaft that described vibrating air cylinder (4) is fixed on lathe according to the exposed end face correspondence of axial workpiece or tailstock.
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| CN201470586U (en) * | 2009-09-09 | 2010-05-19 | 重庆工商大学 | Vibratory stress relief device |
| CN102321793A (en) * | 2011-10-08 | 2012-01-18 | 广西大学 | Vibratory stress relief apparatus for medium frequency and low frequency shaft type parts, and use method thereof |
| CN102785061A (en) * | 2012-08-01 | 2012-11-21 | 宁夏共享集团有限责任公司 | Method for processing high-precision axle products |
| CN103397172A (en) * | 2013-07-26 | 2013-11-20 | 北京翔博科技有限责任公司 | Modal broadband vibration stress relieving device |
| CN203904412U (en) * | 2014-05-30 | 2014-10-29 | 四川工程职业技术学院 | Vibration aging treatment device for shaft part |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201470586U (en) * | 2009-09-09 | 2010-05-19 | 重庆工商大学 | Vibratory stress relief device |
| CN102321793A (en) * | 2011-10-08 | 2012-01-18 | 广西大学 | Vibratory stress relief apparatus for medium frequency and low frequency shaft type parts, and use method thereof |
| CN102785061A (en) * | 2012-08-01 | 2012-11-21 | 宁夏共享集团有限责任公司 | Method for processing high-precision axle products |
| CN103397172A (en) * | 2013-07-26 | 2013-11-20 | 北京翔博科技有限责任公司 | Modal broadband vibration stress relieving device |
| CN203904412U (en) * | 2014-05-30 | 2014-10-29 | 四川工程职业技术学院 | Vibration aging treatment device for shaft part |
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