CN204676131U - The device of ultrasonic impact strengthening axial workpiece weld seam - Google Patents
The device of ultrasonic impact strengthening axial workpiece weld seam Download PDFInfo
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- CN204676131U CN204676131U CN201520402852.3U CN201520402852U CN204676131U CN 204676131 U CN204676131 U CN 204676131U CN 201520402852 U CN201520402852 U CN 201520402852U CN 204676131 U CN204676131 U CN 204676131U
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Abstract
The utility model relates to the device of ultrasonic impact strengthening axial workpiece weld seam, together with ultrasonic impact gun is installed on detachable movable slide block, and be placed on chute, the chute being equipped with detachable movable slide block is fixed on the top layer supporting traverse of support frame mechanism, left quill shaft rotation platform is located by the second layer left end retractable supports crossbeam of support frame mechanism and mobile platform, and realize moving left and right of three by the rotation of turning handle, right quill shaft rotation platform is located by the second layer right-hand member fixed support crossbeam of support frame mechanism and stationary platform, AC servomotor is fixed on mobile platform, its rotation axis is connected by resilient coupling with left quill shaft rotation platform, mobile platform is placed on guide rail, guide rails assembling is on the base of support frame mechanism, shaft-like workpiece is by resilient coupling and right quill shaft rotation platform, left quill shaft rotation platform is connected.For carrying out shock peening process to the axle class of different lengths size and welded seam place thereof.
Description
Technical field
The utility model relates to the device of a kind of ultrasonic impact strengthening axial workpiece weld seam, for various automobile component and weld seam strengthening thereof, and the especially weld seam strengthening of the component of the axle such as transmission shaft, semiaxis class mode of connection.
Background technology
Automotive industry is the important force of expanding domestic demand, supporting the future economy to increase, have that interrelationship between industries is high, scale and benefit obviously, fund and the feature such as technology-intensive.And automobile component are as the basis of automotive industry, it is the necessary factor supporting automotive industry sustainable and healthy development.The particularly current automotive industry independent development carried out vigorous, like a raging fire and innovation, more needs a powerful component system to support.But China's component develop still backwardness at present, the dynamics of investment of auto Parts Industry is not enough, and the product with international competitiveness is few, is one of subject matter of current automotive industry existence.
Axial workpiece is the vitals transmitting power in car transmissions, effect be together with wheel box, drive axle by the transmission of power of engine to wheel, make automobile produce motivating force, therefore transient equilibrium is vital.This just has high request to the connection between union lever, and traditional mode of connection adopts the gentle guarantor's weldering of friction welding (FW), only meets the mechanical property such as basic use, hardness, stress, twisting strength and substantially can reach requirement.
Ultrasonic implement treatment is that a kind of more satisfactory strengthening welding shaft part weld seam is to eliminate residual tension, to improve the method for its mechanical property.After ultrasonic impact effect, material forms the plastic deformation layer of certain depth, crystal grain thinning, even solidification tissue.Eliminate unrelieved stress in the material simultaneously, introduce certain stress, thus reduce the generation of defect, improve the mechanical property of material.The strengthening effect of ultrasonic impact to material belongs to working hardening, can thinning microstructure, elimination unrelieved stress.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art existence, provides a kind of ultrasonic impact to strengthen the device of axial workpiece weld seam.
The purpose of this utility model is achieved through the following technical solutions:
The device of ultrasonic impact strengthening axial workpiece weld seam, feature is: comprise support frame mechanism, ultrasonic impact gun, right quill shaft rotation platform, left quill shaft rotation platform, AC servomotor and computer, together with ultrasonic impact gun is installed on detachable movable slide block, and to be placed on chute and can to move left and right along chute, the chute being equipped with detachable movable slide block is fixed on the top layer supporting traverse of support frame mechanism, left quill shaft rotation platform is located by the second layer left end retractable supports crossbeam of support frame mechanism and mobile platform, and realize moving left and right of three by the rotation of turning handle, right quill shaft rotation platform is located by the second layer right-hand member fixed support crossbeam of support frame mechanism and stationary platform, AC servomotor is fixed on mobile platform, its rotation axis is connected by resilient coupling with left quill shaft rotation platform, mobile platform is placed on guide rail and also can moves along guide rail, guide rails assembling is on the base of support frame mechanism, shaft-like workpiece is by resilient coupling and right quill shaft rotation platform, left quill shaft rotation platform is connected.
Further, the device of above-mentioned ultrasonic impact strengthening axial workpiece weld seam, wherein, support frame as described above mechanism is fixed on horizontal plane by holding bolt by the bolt hole on its base.
Further, the device of above-mentioned ultrasonic impact strengthening axial workpiece weld seam, wherein, described in be equipped with detachable movable slide block chute be fixed on the top layer supporting traverse of support frame mechanism by trip bolt.
Further, the device of above-mentioned ultrasonic impact strengthening axial workpiece weld seam, wherein, described right quill shaft rotation platform is coaxial with left quill shaft rotation platform.
Further, the device of above-mentioned ultrasonic impact strengthening axial workpiece weld seam, wherein, described ultrasonic impact gun is the ultrasonic impact gun of frequency of impact 15 ~ 20KHz, output rating 500W, output amplitude 100um.
Further, the device of above-mentioned ultrasonic impact strengthening axial workpiece weld seam, wherein, the impact syringe needle number of described ultrasonic impact gun is 1 ~ 3, and diameter is 3 ~ 4mm, and hardness is higher than HRC55.
Again further, the device of above-mentioned ultrasonic impact strengthening axial workpiece weld seam, wherein, described AC servomotor specified speed is 1000r/mm, and moment is 0.25 ~ 2.8N.m, and transmission shaft corner of workpiece speed is less than 0.25rad/s.
Again further, the device of above-mentioned ultrasonic impact strengthening axial workpiece weld seam, wherein, the reduction ratio of described right quill shaft rotation platform and left quill shaft rotation platform is 250.
The substantive distinguishing features that technical solutions of the utility model are outstanding and significant progress are mainly reflected in:
1. ultrasonic impact gun is vertically positioned at and treats percussion weld region, impact syringe needle with certain impact processing speed percussion weld and heat affected zone, efficient hardening welding shaft part weld dimensions, eliminate unrelieved stress, improve fatigue property, be suitable for the strengthening at axial workpiece and welded seam place thereof;
2. due to can control the treatment process parameter that quantizes thus can be unlimited repetition, to the shock peening process accurately of welding shaft part commissure, improve commissure mechanical property; Can targetedly and selectivity the local weld seam being not suitable for heat-treating workpiece is processed, being different from thermal treatment must process whole welding assembly;
3. shock peening process can be carried out to the axle class of different lengths size and welded seam place thereof; Pollution-free, technique is applied widely, and ultrasonic implement treatment efficiency is high, and device is relatively succinct, and less-restrictive, is applicable to the shock peening process of various automobile component and commissure thereof.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: structural representation of the present utility model.
Embodiment
Propose the device of a kind of ultrasonic impact strengthening axial workpiece weld seam, adopt ultrasonic impact intensive treatment welding shaft part weld seam, in metal-surface nano crystallization, reduction welding structural element unrelieved stress etc., effect is better.
As shown in Figure 1, the device of ultrasonic impact strengthening axial workpiece weld seam, comprise support frame mechanism 1, ultrasonic impact gun 2, right quill shaft rotation platform 3, left quill shaft rotation platform 4, AC servomotor 5 and computer 17, support frame mechanism 1 is placed in level ground to ensure whole system processing stability by the bolt hole 15 on base under the effect of holding bolt, together with ultrasonic impact gun 2 is installed on detachable movable slide block 7, be placed on chute 6 and can move left and right along chute 6, carry out the shock treatment of part different positions, be fixed on the top layer supporting traverse of support frame mechanism 1 by trip bolt 8, ensure stablizing when ultrasonic impact gun 2 works, left quill shaft rotation platform 4 is located with mobile platform 14 by the second layer left end retractable supports crossbeam 9 of support frame mechanism 1, and realize moving left and right of three by the rotation of turning handle 13, realize the shock treatment of different lengths dimension workpiece, right quill shaft rotation platform 3 is located with stationary platform 11 by the second layer right-hand member fixed support crossbeam 10 of support frame mechanism 1, ensure right quill shaft rotation platform 3, the coaxial precision of left quill shaft rotation platform 4, AC servomotor 5 is fixed on on mobile platform 14 by bottom bolts, its rotation axis is connected by resilient coupling with left quill shaft rotation platform 4, mobile platform 14 is placed on guide rail 16 and also can moves along guide rail 16, shaft-like workpiece 12 is by resilient coupling and right quill shaft rotation platform 3, left quill shaft rotation platform 4 is connected.
Treat that shock peening region is weld dimensions, treat that shock zone width is about 6mm.Wherein: it is 1 ~ 3 that ultrasonic impact gun impacts syringe needle number, and diameter is 3 ~ 4mm, and hardness is at least higher than HRC55; The design parameter of ultrasonic impact gun 2 is: frequency of impact 15 ~ 20KHz, output rating 500W, output amplitude 100um, and the type of cooling is air-cooled, voltage: AC, 220V, 50Hz, and syringe needle processing speed is not less than 4m/s; The speed of drive axis matches with the syringe needle shock treatment speed of ultrasonic impact gun 2, and AC servomotor 5 specified speed is 1000r/mm, and moment is 0.25 ~ 2.8N.m, and transmission shaft corner of workpiece speed is not more than 0.25rad/s; Right quill shaft rotation platform 3, left quill shaft rotation platform 4 reduction ratio are 250.
Workpiece is by right quill shaft rotation platform 3, the clamping of left quill shaft rotation platform 4 location, under guarantee positioned coaxially precision, controlled by computer software programs, AC servomotor 5 directly matches with left quill shaft rotation platform and drives transmission shaft to rotate with certain rotational speed with certain reduction ratio.Ultrasonic impact gun 2 is vertically positioned at workpiece and treats percussion weld region, impact syringe needle with certain impact processing speed percussion weld and heat affected zone, efficient hardening welding shaft part weld dimensions, eliminate unrelieved stress, improve fatigue property, be suitable for the strengthening at axial workpiece and welded seam place thereof.
Embodiment
Open tube semiaxis selected by workpiece, and be made up of left and right union lever and middle part open tube, its material is respectively 55#, 40Cr, 45#, and axle radius is Φ 20mm, and overall length is 440mm, has two place's weld seams, treat shock treatment region wide be 6mm.By the movement of mobile platform 14 with retractable supports crossbeam 9, control the installation location that open tube semiaxis is carried out in left quill shaft rotation platform 4 position, connected by resilient coupling.Detachable movable slide block 7 controls ultrasonic impact gun 2 and moves and make it impact syringe needle to be vertically positioned at above left end weld seam, and syringe needle number is 2, and diameter is 3mm, and hardness is at least higher than HRC55; The design parameter of ultrasonic impact gun is selected to be: frequency of impact 15KHz, output rating 500W, output amplitude 100um, the type of cooling is air-cooled, voltage: AC, 220V, 50Hz, and the processing speed of syringe needle is 4m/s.AC servomotor 5 is under computer 17 time variable control, drive open tube semiaxis to rotate by left quill shaft rotation platform 4 and carry out shock treatment, wherein AC servomotor 5 rotating speed is 10r/s, and the reduction ratio of left quill shaft rotation platform 4 is 250, and open tube half axis angular rate is 0.25rad/s.Through the shock treatment of about 26 seconds, disconnect the power supply of ultrasonic impact gun 2, being moved to by ultrasonic impact gun 2 above right-hand member weld seam by detachable movable slide block 7 and use trip bolt 8 to clamp, carry out shock treatment, treatment step is the same with left end weld impingement process.
The utility model ultrasonic impact gun is vertically positioned at treats percussion weld region, impact syringe needle with certain impact processing speed percussion weld and heat affected zone, efficient hardening welding shaft part weld dimensions, eliminate unrelieved stress, improve fatigue property, be suitable for the strengthening at axial workpiece and welded seam place thereof.Due to can control the treatment process parameter that quantizes thus can be unlimited repetition, to the shock peening process accurately of welding shaft part commissure, improve commissure mechanical property; Can targetedly and selectivity the local weld seam being not suitable for heat-treating workpiece is processed, must process whole welding assembly unlike thermal treatment; Shock peening process can be carried out to the axle class of different lengths size and welded seam place thereof; Pollution-free, technique is applied widely, and ultrasonic implement treatment efficiency is high, and device is relatively succinct, and less-restrictive, is applicable to the shock peening process of various automobile component and commissure thereof.
It is to be understood that: the above is only preferred implementation of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. the device of ultrasonic impact strengthening axial workpiece weld seam, it is characterized in that: comprise support frame mechanism (1), ultrasonic impact gun (2), right quill shaft rotation platform (3), left quill shaft rotation platform (4), AC servomotor (5) and computer (17), together with ultrasonic impact gun (2) is installed on detachable movable slide block (7), and it is upper and can move left and right along chute (6) to be placed in chute (6), the chute (6) being equipped with detachable movable slide block (7) is fixed on the top layer supporting traverse of support frame mechanism (1), left quill shaft rotation platform (4) is located with mobile platform (14) by second layer left end retractable supports crossbeam (9) of support frame mechanism (1), and realize moving left and right of three by the rotation of turning handle (13), right quill shaft rotation platform (3) is located with stationary platform (11) by second layer right-hand member fixed support crossbeam (10) of support frame mechanism (1), AC servomotor (5) is fixed on mobile platform (14), its rotation axis is connected by resilient coupling with left quill shaft rotation platform (4), mobile platform (14) is placed in guide rail (16) above also can be mobile along guide rail (16), guide rail (16) is installed on the base of support frame mechanism (1), shaft-like workpiece (12) is by resilient coupling and right quill shaft rotation platform (3), left quill shaft rotation platform (4) is connected.
2. the device of ultrasonic impact strengthening axial workpiece weld seam according to claim 1, is characterized in that: support frame as described above mechanism (1) is fixed on horizontal plane by holding bolt by the bolt hole (15) on its base.
3. the device of ultrasonic impact according to claim 1 strengthening axial workpiece weld seam, is characterized in that: described in be equipped with detachable movable slide block (7) chute (6) be fixed on the top layer supporting traverse of support frame mechanism (1) by trip bolt (8).
4. the device of ultrasonic impact strengthening axial workpiece weld seam according to claim 1, is characterized in that: described right quill shaft rotation platform (3) is coaxial with left quill shaft rotation platform (4).
5. the device of ultrasonic impact strengthening axial workpiece weld seam according to claim 1, is characterized in that: the ultrasonic impact gun that described ultrasonic impact gun (2) is frequency of impact 15 ~ 20KHz, output rating 500W, output amplitude 100um.
6. the device of ultrasonic impact strengthening axial workpiece weld seam according to claim 1, is characterized in that: the impact syringe needle number of described ultrasonic impact gun (2) is 1 ~ 3, and diameter is 3 ~ 4mm, and hardness is higher than HRC55.
7. the device of ultrasonic impact strengthening axial workpiece weld seam according to claim 1, is characterized in that: described AC servomotor (5) specified speed is 1000r/mm, and moment is 0.25 ~ 2.8N.m, and transmission shaft corner of workpiece speed is less than 0.25rad/s.
8. the device of ultrasonic impact strengthening axial workpiece weld seam according to claim 1, is characterized in that: the reduction ratio of described right quill shaft rotation platform (3) and left quill shaft rotation platform (4) is 250.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402852.3U CN204676131U (en) | 2015-06-11 | 2015-06-11 | The device of ultrasonic impact strengthening axial workpiece weld seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402852.3U CN204676131U (en) | 2015-06-11 | 2015-06-11 | The device of ultrasonic impact strengthening axial workpiece weld seam |
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| Publication Number | Publication Date |
|---|---|
| CN204676131U true CN204676131U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520402852.3U Expired - Fee Related CN204676131U (en) | 2015-06-11 | 2015-06-11 | The device of ultrasonic impact strengthening axial workpiece weld seam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846187A (en) * | 2015-06-11 | 2015-08-19 | 温州大学 | Device and method for ultrasonic impact strengthening of shaft type part welding seams |
| CN106702116A (en) * | 2015-11-13 | 2017-05-24 | 中国航空工业集团公司北京航空精密机械研究所 | Bearing-ring groove surface strengthening equipment |
-
2015
- 2015-06-11 CN CN201520402852.3U patent/CN204676131U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846187A (en) * | 2015-06-11 | 2015-08-19 | 温州大学 | Device and method for ultrasonic impact strengthening of shaft type part welding seams |
| CN106702116A (en) * | 2015-11-13 | 2017-05-24 | 中国航空工业集团公司北京航空精密机械研究所 | Bearing-ring groove surface strengthening equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |