CN103397172B - Mode wideband vibratory stress reliefing equipment - Google Patents
Mode wideband vibratory stress reliefing equipment Download PDFInfo
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- CN103397172B CN103397172B CN201310319983.0A CN201310319983A CN103397172B CN 103397172 B CN103397172 B CN 103397172B CN 201310319983 A CN201310319983 A CN 201310319983A CN 103397172 B CN103397172 B CN 103397172B
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Abstract
A kind of mode wideband vibratory stress reliefing equipment, comprise base, linear electric motors, Workpiece clamping device and guide rail, described linear electric motors are fixedly mounted on base, described Workpiece clamping device by guide rails assembling on base, the output shaft of described linear electric motors is fixedly connected on Workpiece clamping device, the axis of the output shaft of described linear electric motors and guide rail parallel.This device accurately can control the frequency of the workpiece needing ageing treatment, improves the effect of vibration stress relief of middle-size and small-size workpiece.
Description
Technical field
The present invention relates to a kind of vibration ageing device, particularly relate to the vibration ageing device that a kind of vibration frequency range is large.
Background technology
Vibration stress relief treatment is a kind of method eliminating its internal residual internal stress that engineering materials is commonly used, it is the Workpiece vibration utilizing mechanical means to make hardware, under resonant condition, circulation dynamic stress is imposed to workpiece, when making the vector of the internal stress of inside workpiece remnants and additional vibratory stress meet or exceed material yield strength, make material that the viscous deformation of trace occur, thus the internal stress of material internal is relaxed or redistributes and reach the object of dimensional stabilizing.Compared with thermal life, oscillating aging has less investment, instant effect, working cost is low and be conducive to the advantages such as environmental protection.
Current vibration ageing device is all adopt the vibrator with eccentric stiffener, makes vibrator and workpiece resonance, to reach oscillating aging.Vibrator is made up of eccentric case and high-speed electric expreess locomotive.In oscillating aging process, together with vibrator must rigidly fix with workpiece, can not have and at all loosen, otherwise vibration is invalid, does not have timeliness effect.At present, for large-scale workpiece, only vibrator need be rigidly fixed in the correct position of workpiece, but then vibrator and workpiece cannot be fixed together for small workpiece at all.Chinese patent CN201470586U discloses a kind of vibration ageing device, comprise platform, vibrator is fixed on flat edge of table, treat that the workpiece of ageing treatment is rigidly fixed on platform, vibrator and small workpiece are fixed on platform by this device, using platform as carrier, achieve the resonance of vibrator and small workpiece, solve because vibrator and small workpiece cannot be fixed together vibration and cause cannot to the problem of Small Workpieces vibration stress relief treatment.But, when adopting this device centering miniature workpiece to carry out oscillating aging, because vibrator vibrational frequency is not necessarily consistent with the frequency of the platform being installed with workpiece, that is, this device is difficult to the frequency controlling the workpiece be arranged on platform accurately, thus causes the effect of vibration stress relief of middle-size and small-size workpiece unsatisfactory.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of structure simple mode wideband vibratory stress reliefing equipment, can obtain the model frequency of workpiece and controls to need the frequency of the workpiece of ageing treatment by accurate analysis, improving the effect of vibration stress relief of middle-size and small-size workpiece.
Mode wideband vibratory stress reliefing equipment of the present invention, wherein: comprise base, linear electric motors, Workpiece clamping device and guide rail, described linear electric motors are fixedly mounted on base, described Workpiece clamping device by guide rails assembling on base, the output shaft of described linear electric motors is fixedly connected on Workpiece clamping device, the axis of the output shaft of described linear electric motors and guide rail parallel.
Described guide rail is line slideway, and the retaining element of guide rail is fixedly mounted on base, and the moving meter of guide rail is fixedly connected with Workpiece clamping device.
Described base is installed with return mechanism, and described Workpiece clamping device is connected with return mechanism, and described return mechanism is used for providing restoring force, and balance eliminates the nonlinear normal modes of guide rail.
Described return mechanism is two groups, the symmetrical both sides being arranged on guide rail, the restoring force direction of described return mechanism all and guide rail parallel, the two ends of described return mechanism are all fixedly mounted on base by fixed supporting leg, be installed with a connection leg respectively in the both sides of Workpiece clamping device, two connection legs are fixedly connected with the equilibrium theory of tide of the described return mechanism being positioned at guide rail homonymy respectively.
Described Workpiece clamping device comprises worktable and clamping and positioning device, and worktable is used for fixed clamp locating device, and clamping and positioning device is used for workpiece location on the table, will complete the work piece of location on the table.
Described return mechanism is spring, and described connection leg is fixedly connected with the middle part of the spring being positioned at guide rail homonymy.
The clamping and positioning device of described Workpiece clamping device comprises the first fixture block, second fixture block and the 3rd fixture block, the fixed installation of described first fixture block and the second fixture block symmetry on the table, described 3rd fixture block is between the first fixture block and the second fixture block, the described right flank of the 3rd fixture block and the left surface of the second fixture block fit, this binding face is tilted to the left from top to bottom, described 3rd fixture block offers bolt hole, described worktable also offers bolt hole, described 3rd fixture block is mounted by means of bolts on worktable, bolt hole on described worktable is slightly larger than the diameter of bolt.
The forward and backward side of described worktable is installed with Change-over frame respectively, Change-over frame is in T shape, the lower end of Change-over frame fixedly mounts described connection leg, and described two connection legs are between two springs, and described connection leg, fixed supporting leg are all in same level.
Described Workpiece clamping device also comprises cushion block, and described cushion block is arranged between the first fixture block and the 3rd fixture block.
Described guide rail is for intersecting circular cone roller linear guide rail.
Mode wideband vibratory stress reliefing equipment difference from prior art of the present invention is that the present invention drives Workpiece clamping device to do linear reciprocating motion along guide rail by linear electric motors, be fixedly mounted on Workpiece clamping device by needing the workpiece carrying out vibration stress relief treatment, by controlling the reciprocating frequency of linear electric motors output shaft and amplitude, just directly can control vibrational frequency and the amplitude of Workpiece clamping device, thus vibrational frequency and the amplitude of the workpiece fixedly mounted thereon can be controlled accurately, improve the effect of vibration stress relief of middle-size and small-size workpiece.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the stereographic map of mode wideband vibratory stress reliefing equipment of the present invention;
Fig. 2 is the front view of mode wideband vibratory stress reliefing equipment of the present invention;
Fig. 3 is the vertical view of mode wideband vibratory stress reliefing equipment of the present invention;
Fig. 4 is the using state figure of mode wideband vibratory stress reliefing equipment of the present invention.
Embodiment
As shown in Figure 1, mode wideband vibratory stress reliefing equipment of the present invention comprises base 1, linear electric motors 2, Workpiece clamping device 3 and guide rail 4.Base 1 comprises base plate 11, fore-stock 12 and after poppet 13, and base plate 11 is a rectangular flat, and the front and back sides of the right-hand member of base plate 11 is bolted installing front support 12 and after poppet 13.The left end front and back sides of base plate 11 is installed with motor front carrier plate 17 and motor rear carrier plate 18, motor front carrier plate 17 and motor rear carrier plate 18 are parallel to each other, and be triangular plate making, motor fixing plate 19 is installed between motor front carrier plate 17 and motor rear carrier plate 18, the front side of motor fixing plate 19, downside and rear side are fixedly connected on motor front carrier plate 17 respectively, on base plate 11 and motor rear carrier plate 18, and the plane at the perpendicular bisector place vertically upward of the perpendicular bisector (perpendicular to base plate) vertically upward of motor front carrier plate 17 and motor rear carrier plate 18 is through motor fixing plate 19, linear electric motors 2 and guide rail 4 are all fixedly mounted on the base plate 11 of base 1, the rear end of linear electric motors 2 is fixed on motor fixing plate 19, by being provided with motor front carrier plate 17 on base plate 11, motor rear carrier plate 18 and motor fixing plate 19, and pass through the special mode of connection of three, operationally performance is more stable can to ensure linear electric motors 2, avoid because the oscillating aging of linear electric motors 2 reason to workpiece has an impact.Wherein linear electric motors 2 are positioned at the left side of guide rail, and guide rail 4 is line slideway, adopt intersection circular cone roller linear guide rail in the present embodiment.The retaining element 41 of guide rail 4 is fixedly mounted on base 1 by backing plate 14, and the moving meter 42 of guide rail 4 is fixedly connected with Workpiece clamping device 3.The axis of the output shaft of linear electric motors 2 is parallel with guide rail 4, and guide rail 4 and Workpiece clamping device 3 are all between fore-stock 12 and after poppet 13.
Shown in composition graphs 2, Workpiece clamping device 3 comprises worktable 31, as the first fixture block 32 of clamping and positioning device, second fixture block 33 and the 3rd fixture block 34, first fixture block 32 and the second fixture block 33 are mounted by means of bolts on worktable 31, first fixture block 32 and the second fixture block 33 symmetrical, 3rd fixture block 34 is arranged between the first fixture block 32 and the second fixture block 33, the right flank of the 3rd fixture block 34 and the left surface of the second fixture block 33 fit, this binding face is tilted to the left from top to bottom, 3rd fixture block 34 upper surface offers bolt hole, worktable 31 also offers bolt hole, 3rd fixture block 34 is mounted by means of bolts on worktable 31, bolt hole on worktable 31 is slightly larger than the diameter of bolt, to adapt to the change of bolt position during fastening 3rd fixture block 34.By binding face being set to the inclined-plane with certain angle, can being the clamping force of left and right directions by the goes through torque conversion of bolt, more effectively can transmitting clamping force.Cushion block 36 can also be set between the first fixture block 32 and the 3rd fixture block 34, for the clamping of the workpiece of different thickness.Shown in composition graphs 3, worktable 31, first fixture block 32, second fixture block 33, the 3rd fixture block 34 and cushion block 36 all offer lightening hole.
As shown in Figure 3, the fore-stock 12 and after poppet 13 of base 1 are all installed with a spring 5 as return mechanism, the both sides being arranged on guide rail 4 of two spring 5 symmetries, every root spring 5 is all parallel with guide rail 4, and the two ends, left and right of two springs 5 are all fixedly mounted on the leading flank of fore-stock 12 and the trailing flank of after poppet 13 respectively by fixed supporting leg 6.Shown in composition graphs 2, the forward and backward side of the worktable 31 of Workpiece clamping device 3 is installed with Change-over frame 35 with bolt respectively, and Change-over frame 35 is in T shape.Be installed with a connection leg 7, two connection legs 7 respectively in the lower end of the front and rear sides of two Change-over frames 35 between two springs 5, all connection legs 7, fixed supporting leg 6 are all in same level.Two connection legs 7 are fixedly connected with the middle part of two springs 5 respectively, to eliminate the nonlinear normal modes of guide rail 4.
This device also only can use a spring 5, and mounting means is the same with the mounting means of above-described embodiment, overcomes the nonlinear normal modes of guide rail.Also can use two springs, two springs are arranged on the both sides, front and back of Workpiece clamping device, and one end of spring is fixedly connected with base, and the other end of spring is fixed on Workpiece clamping device, can overcome the nonlinear normal modes of guide rail equally.
This device in use, as shown in Figure 4, be first fixedly mounted on Workpiece clamping device 3 by workpiece 8, the output shaft then controlling linear electric motors 2 moves back and forth with the frequency of setting, thus drive the workpiece 8 be fixedly mounted on Workpiece clamping device 3 to vibrate, realize the vibration stress relief treatment of workpiece 8.
This apparatus structure is compact, the mode that is installed is flexible, high frequency, very high frequency(VHF) exciting force is produced by the microscopic deformation of material in straight reciprocating motion, physical construction has been abandoned traditional rotating eccentricity mechanism, while reduction noise pollution and overall power, significantly improve the Reliability & Maintainability of equipment.This device is suitable for long-time running, easy to maintenance, and exciting force can on-line control.
The exciting force of mode wideband vibratory stress reliefing equipment of the present invention can realize the on-line control between zero to the maximum value of Whole frequency band inherence, on-line control can be carried out for different vibration strains and unrelieved stress size to be processed, improve efficiency and the effect of oscillating aging; Cross peak problem when solving motor continuous frequency conversion in vibration processes simultaneously---the range of decrease crosses over the vibrator or workpiece breakage that system resonance frequency causes to avoid resonating fast.And traditional vibrator large eccentricity rotating speed by metal works resonance zone time, such as 100HZ, corresponding motor speed 6000rpm, motor and workpiece produce and resonate, cause electric machine operation state unstability, electric current and amplitude sharply become large, exceed motor tolerance range, system outage, and there is not this phenomenon in linear electric motors vibrator.
Because mode wideband vibratory stress reliefing equipment exports the broadband properties (0Hz ~ 3KHz of exciting force, tradition vibrator frequency range: 0 ~ 167HZ), HF oscillation can be realized, and (vibration kenel can realize: distortion, bending, bending combination etc. to realize the vibration of many vibration shape at multiple Frequency point, and traditional vibrator generally only has a kind of vibration kenel, limited to unrelieved stress eradicating efficacy, and unrelieved stress becomes distributed in three dimensions in metal inside, only has many vibration shape effect better.), be specially adapted to the spectrum harmonics ageing treatment of high rigidity (as high strength alumin ium alloy, titanium alloy etc.) or baroque middle-size and small-size test specimen, also can be applicable to the rapidly and efficiently rate spectrum harmonics ageing treatment of general test specimen, therefore, this device is comparatively suitable for the high-strength material of weapon industry or aerospace field and the destressing ageing treatment of abnormally-structured middle-size and small-size test specimen.The broadband of mode wideband vibratory stress reliefing equipment of the present invention and exciting force is adjustable can also be applied in the clear and definite crisp rigid test specimen in counter stress concentration zones, or cracky, yielding test specimen spectrum harmonics timeliness in.Such workpiece, due to crisp rigid or yielding, has more harsh requirement to the control of amplitude of exciting force and vibrational frequency.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (10)
1. a mode wideband vibratory stress reliefing equipment, it is characterized in that: comprise base (1), linear electric motors (2), Workpiece clamping device (3) and guide rail (4), described linear electric motors (2) are fixedly mounted on base (1), described Workpiece clamping device (3) is arranged on base (1) by guide rail (4), the output shaft of described linear electric motors (2) is fixedly connected on Workpiece clamping device (3), and the axis of the output shaft of described linear electric motors (2) is parallel with guide rail (4).
2. mode wideband vibratory stress reliefing equipment according to claim 1, it is characterized in that: described guide rail (4) is line slideway, the retaining element of guide rail (4) is fixedly mounted on base (1), and the moving meter of guide rail (4) is fixedly connected with Workpiece clamping device (3).
3. mode wideband vibratory stress reliefing equipment according to claim 2, it is characterized in that: (1) is installed with return mechanism to described base, described Workpiece clamping device (3) is connected with return mechanism, described return mechanism is used for providing restoring force, and balance eliminates the nonlinear normal modes of guide rail (4).
4. mode wideband vibratory stress reliefing equipment according to claim 3, it is characterized in that: described return mechanism is two groups, the symmetrical both sides being arranged on guide rail (4), the restoring force direction of described return mechanism is all parallel with guide rail (4), the two ends of described return mechanism are all fixedly mounted on base (1) by fixed supporting leg (6), be installed with a connection leg (7) respectively in the both sides of Workpiece clamping device (3), two connection legs (7) are fixedly connected with the equilibrium theory of tide of the described return mechanism being positioned at guide rail (4) homonymy respectively.
5. mode wideband vibratory stress reliefing equipment according to claim 4, it is characterized in that: described Workpiece clamping device (3) comprises worktable and clamping and positioning device, worktable is used for fixed clamp locating device, clamping and positioning device is used for workpiece location on the table, will complete the work piece of location on the table.
6. the mode wideband vibratory stress reliefing equipment according to claim 4 or 5, is characterized in that: described return mechanism is spring (5), and described connection leg (7) is fixedly connected with the middle part of the spring (5) being positioned at guide rail (4) homonymy.
7. mode wideband vibratory stress reliefing equipment according to claim 6, it is characterized in that: the clamping and positioning device of described Workpiece clamping device (3) comprises the first fixture block (32), second fixture block (33) and the 3rd fixture block (34), what described first fixture block (32) and the second fixture block (33) were symmetrical is fixedly mounted on worktable (31), described 3rd fixture block (34) is positioned between the first fixture block (32) and the second fixture block (33), the described right flank of the 3rd fixture block (34) and the left surface of the second fixture block (33) fit, this binding face is tilted to the left from top to bottom, described 3rd fixture block (34) offers bolt hole, (31) also offer bolt hole to described worktable, described 3rd fixture block (34) is mounted by means of bolts on worktable (31), bolt hole on described worktable (31) is slightly larger than the diameter of bolt.
8. mode wideband vibratory stress reliefing equipment according to claim 7, it is characterized in that: the forward and backward side of described worktable (31) is installed with respectively Change-over frame (35), Change-over frame (35) is in T shape, the lower end of Change-over frame (35) fixedly mounts described connection leg (7), described two connection legs (7) are positioned between two springs (5), and described connection leg (7), fixed supporting leg (6) are all in same level.
9. mode wideband vibratory stress reliefing equipment according to claim 8, is characterized in that: described Workpiece clamping device (3) also comprises cushion block (36), and described cushion block (36) is arranged between the first fixture block (32) and the 3rd fixture block (34).
10. mode wideband vibratory stress reliefing equipment according to claim 9, is characterized in that: described guide rail (4) is for intersecting circular cone roller linear guide rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310319983.0A CN103397172B (en) | 2013-07-26 | 2013-07-26 | Mode wideband vibratory stress reliefing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310319983.0A CN103397172B (en) | 2013-07-26 | 2013-07-26 | Mode wideband vibratory stress reliefing equipment |
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| CN103397172A CN103397172A (en) | 2013-11-20 |
| CN103397172B true CN103397172B (en) | 2015-11-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103981360B (en) * | 2014-05-30 | 2016-03-02 | 四川工程职业技术学院 | The vibration stress relief treatment method of axial workpiece and device |
| CN106802237B (en) * | 2017-01-20 | 2023-05-09 | 广西大学 | Cam impact type alternating torque loading device |
| CN114231730A (en) * | 2021-12-27 | 2022-03-25 | 北京科技大学 | Residual stress device is subducted in vibration deformation |
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| CN202022962U (en) * | 2010-12-31 | 2011-11-02 | 北京翔博科技有限责任公司 | Device for controlling frequency-spectrum harmonic vibration stress relief |
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| JPH09143576A (en) * | 1995-11-20 | 1997-06-03 | Kobe Steel Ltd | Method for preventing meandering of strip in continuous treating equipment and clamping device for strip used to this equipment |
| CN2399150Y (en) * | 1999-12-07 | 2000-10-04 | 刘跃基 | Crankshaft stress eliminating straightener |
| CN1298771A (en) * | 2000-12-22 | 2001-06-13 | 甘肃天星稀土功能材料有限公司 | Vibration generator and method for eliminating residual stress of metal parts with it |
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Address after: 100086 Beijing City, Haidian District Zhichun Road No. 108 garden building A block 8 layer Patentee after: Beijing Xiang Bo Polytron Technologies Inc Address before: 100086 Beijing City, Haidian District Zhichun Road No. 108 garden building A block 8 layer Patentee before: Beijing Semboo Science and Technology Co., Ltd. |