CN112453108A - Device for optimizing linear welding seam ultrasonic magnetic field impact rolling of plate - Google Patents
Device for optimizing linear welding seam ultrasonic magnetic field impact rolling of plate Download PDFInfo
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- CN112453108A CN112453108A CN202011331477.XA CN202011331477A CN112453108A CN 112453108 A CN112453108 A CN 112453108A CN 202011331477 A CN202011331477 A CN 202011331477A CN 112453108 A CN112453108 A CN 112453108A
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- 238000003466 welding Methods 0.000 title claims abstract description 70
- 238000005096 rolling process Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims description 10
- 238000005457 optimization Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000005056 compaction Methods 0.000 claims 2
- 230000035939 shock Effects 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 238000007493 shaping process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to a device for optimizing linear welding seam ultrasonic magnetic field impact rolling of a plate, which comprises a rack, a welding platform, a first feeding mechanism, a second feeding mechanism and an impact hammer, wherein the plate is fixed on the welding platform; the ultrasonic impact hammer is characterized by further comprising an ultrasonic generator, an ultrasonic wave plate and a magnetic field generator, wherein the ultrasonic wave plate is arranged on the impact hammer and connected with the ultrasonic generator, and the magnetic field generator is arranged on the welding platform. The device can effectively increase the shaping of the weld metal by ultrasonic impact rolling, thereby reducing the welding deformation and the welding residual stress; the addition of the magnetic field can effectively refine weld structure grains.
Description
Technical Field
The invention belongs to the technical field of weld optimization, and particularly relates to a device for optimizing linear weld ultrasonic magnetic field impact rolling of a plate.
Background
Welding is a method of joining metals into a whole by means of the internal atomic bonding force of the metals by means of local heating between the metals. Since the linear welding of the plate is a complicated process of instantaneous heating and rapid cooling, welding residual stress and welding deformation are generated. The welding residual stress can reduce the corrosion resistance and fatigue strength of the structural member, thereby causing structural deformation, cracks and even brittle fracture of the welded member. Welding deformation is generated simultaneously with welding residual stress, and the welding deformation not only can influence the dimensional accuracy and the overall stability of a weldment, but also can reduce the assembly quality and influence the bearing capacity. It is therefore particularly important to apply the weld grinding and pressing equipment to treat the weld for reducing the residual stress and weld deformation.
The existing patents for carrying out impact rolling optimization on welding joints generally adopt a mechanical rolling mode, for example, the invention patent with the patent number of CN2010102516948 discloses a shaping device for carrying out impact rolling on welding joints with welding and low matching of high-strength steel.
Therefore, the device for optimizing the impact rolling of the linear welding seam of the plate through the ultrasonic magnetic field is designed, the ultrasonic impact rolling mode is used, the overall design of the device is more compact, and the rolling effect is better. And a magnetic field is generated in the rolling process to refine weld structure grains.
Disclosure of Invention
Based on the above-mentioned shortcomings and drawbacks of the prior art, it is an object of the present invention to at least solve one or more of the above-mentioned problems of the prior art, in other words, to provide an apparatus for optimizing ultrasonic magnetic field impact rolling of a linear weld of a sheet material, which satisfies one or more of the above-mentioned requirements.
In order to achieve the purpose, the invention adopts the following technical scheme:
a device for optimizing linear welding seam ultrasonic magnetic field impact rolling of a plate comprises a rack, a welding platform, a first feeding mechanism, a second feeding mechanism and an impact hammer, wherein the rack is arranged above the welding platform, the first feeding mechanism is fixedly connected with the rack, the feeding direction of the first feeding mechanism is parallel to the plane of the welding platform, the second feeding mechanism is fixedly connected with the first feeding mechanism, the feeding direction of the second feeding mechanism is perpendicular to the feeding direction of the first feeding mechanism and the plane of the welding platform, and the impact hammer is arranged on the second feeding mechanism and faces the welding platform; the impact hammer is characterized by further comprising an ultrasonic generator, an ultrasonic wave plate and a magnetic field generator, wherein the ultrasonic wave plate is installed on the impact hammer and connected with the ultrasonic generator, and the magnetic field generator is installed on the rack.
Preferably, the first feeding mechanism comprises a first lead screw, a first slide block, a first sliding frame and a motor; the first lead screw and the first sliding frame are arranged on the rack in parallel; the first sliding block penetrates through the first lead screw and is connected in the first sliding frame in a sliding manner, and the first sliding block is fixedly connected with the second feeding mechanism; the motor is coupled with the tail end of the first lead screw.
Preferably, the first sliding block is provided with a threaded hole, and the first sliding block is fixedly connected with the second feeding mechanism through a bolt.
As a preferred scheme, the device further comprises a controller, wherein the motor is connected with the controller and controls the starting, the stopping and the rotating speed of the motor.
Preferably, the second feeding mechanism comprises a second lead screw, a lead screw hand wheel, a second sliding block, a second sliding frame and an O-shaped clamp, the second sliding frame is fixedly connected with the first feeding mechanism, the second lead screw penetrates through the second sliding frame, the second sliding block penetrates through the second lead screw and is connected to the second sliding frame in a sliding manner, and the second sliding block is fixedly connected with the O-shaped clamp; the lead screw hand wheel is a disc with an eccentric shaking handle, and the center of the disc is in shaft connection with the second lead screw.
Preferably, the second slider is provided with a threaded hole, the O-shaped clamp is provided with a clamp seat, the clamp seat is provided with a through hole corresponding to the threaded hole of the second slider in position, and the clamp seat is fixedly connected with the second slider through a screw.
Preferably, the O-shaped clamp is provided with two coaxially arranged O-shaped rings, each O-shaped ring consists of two semicircular rings, connecting bosses are arranged at two ends of each semicircular ring, the connecting bosses are arranged between the two semicircular rings in a penetrating mode through bolts so as to fix and adjust the fastening degree of the O-shaped rings, and the impact hammer is clamped in the O-shaped rings.
Preferably, the magnetic field generator is mounted parallel to the feed direction of the first feed mechanism.
Preferably, the impact hammer is an electric impact hammer or a pneumatic impact hammer.
As a preferred scheme, the device also comprises a protective net which is arranged around the frame in an enclosing way.
Compared with the prior art, the invention has the beneficial effects that:
1) the welding seam can be subjected to ultrasonic impact rolling along with welding, and also can be subjected to ultrasonic impact hammering after welding, and the ultrasonic impact rolling can effectively increase the shaping of welding seam metal, so that the welding deformation and the welding residual stress are effectively reduced; the defects of air bubbles, impurities and the like in the welding seam are reduced, the quality of the welding joint is improved, and the service life of the welding joint is prolonged;
2) the addition of the magnetic field can effectively refine weld structure grains.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for optimizing ultrasonic magnetic field impact rolling of a linear weld of a plate according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a second feeding mechanism of the device for optimizing the impact rolling of the ultrasonic magnetic field of the linear weld of the plate material in the embodiment 1 of the invention;
fig. 3 is a schematic structural diagram of an O-shaped clamp of an apparatus for optimizing ultrasonic magnetic field impact rolling of a linear weld of a plate according to embodiment 1 of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain the embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
Example 1: the structure of the device for optimizing the impact rolling of the linear welding seam of the plate by using the ultrasonic magnetic field is shown in fig. 1: an aluminum alloy frame 10 of cuboid configuration is installed on welding platform 2, and the frame encloses all around and is equipped with protection network 9, and welded plate 1 places in welding platform 2 upper surface, is located between frame 10 and welding platform 2, and first feed mechanism installs on frame 10, including first lead screw 3, first slider, first carriage, motor 7, controller 8.
The first lead screw 3 is parallel to the surface of the welding platform 2 and parallel to a welding seam on a plate, the first sliding frame is as long as the first lead screw 3 and is fixedly connected to the first lead screw 3, and two ends of the first sliding frame are matched with the first lead screw 3, so that the first sliding frame can be positioned in the first sliding frame without rotating. The first screw rod 3 is provided with a first sliding block with a threaded hole in a penetrating way, and the first sliding block is also connected to the first sliding frame in a sliding way, so that the first sliding block can move horizontally along the axis of the first screw rod 3 along with the rotation of the first screw rod 3. The motor 7 is installed to first lead screw 3's end, and the motor shaft is with first lead screw 3 coupling, motor 7 and controller 8 electric connection. The controller 8 can control the start, stop and rotation speed of the motor 7, so as to control the position of the first slide block on the first lead screw 3.
The first sliding block is also provided with 4 screw holes as mounting holes and is connected with the second feeding mechanism 4 through the screw holes. The second feeding mechanism 4 is configured as shown in fig. 2, and includes a second lead screw, a second slider 43, a second carriage 41, a lead screw handwheel 42, and an O-shaped clamp. The second sliding frame 41 is fixedly connected with the first sliding block through a screw hole of the first sliding block, a second lead screw is installed along the direction perpendicular to the welding platform 2 and penetrates through the second sliding frame 41, a screw hole corresponding to the size of the second lead screw is formed in the second sliding block 43 and is in sliding connection with the second sliding frame 41 and matched with the second lead screw, the tail end of the second sliding frame penetrates out of the second lead screw, the lead screw is fixedly connected with a lead screw hand wheel 42, the lead screw hand wheel 42 is a disc, a shaking handle perpendicular to the circular surface is arranged at the eccentric position, and the circle center position of the lead screw hand wheel is fixedly connected with the lead screw hand wheel 42. The second slider 43 is provided with four screw holes arranged in a square shape, and is fixedly connected with the O-shaped fixture through the four screw holes.
The structure of the O-shaped clamp is shown in figure 3, and comprises a clamp seat 44, an O-shaped ring 45 and a locking screw 46, wherein the O-shaped ring is composed of two semicircular rings, two ends of the semicircular arc length are provided with parallel opposite connecting bosses, screw holes corresponding in position are formed in the opposite connecting bosses to fix the locking screw 46, the fixed semicircular rings are surrounded to form the O-shaped ring, and one semicircular ring leads out a connecting column to be fixedly connected with the clamp seat 44. The size of the cross section shape of the clamp seat attached to the second sliding block is the same, the two O-shaped rings are respectively positioned at two ends of the clamp seat and coaxially arranged, and the coaxial line of the installed O-shaped rings is perpendicular to the welding platform 2.
An electric impact hammer 6 is clamped in the O-shaped ring, an ultrasonic wave plate 12 is fixed on the electric impact hammer 6 towards the straight line where the welding seam is located, and the ultrasonic wave plate 12 is connected with an ultrasonic generator 13.
A magnetic field generator 11 is also arranged and is arranged on the welding platform 2.
The method of use of the present embodiment will be described below in conjunction with the structure:
firstly, the screw rod hand wheel 42 is shaken to lift the electric impact hammer 6, the plate 1 and the aluminum alloy support 10 are fixed on the welding platform 2, the aluminum alloy support 10 is positioned above the plate and the electric impact hammer is positioned right above a straight line where a welding seam is positioned, the motor is started to move the first sliding block of the first feeding mechanism 3 to a correct initial position, then the screw rod hand wheel 42 is shaken to enable the electric impact hammer 6 to descend to contact the welding seam of the plate 1, at the moment, the screw rod hand wheel 42 is continuously shaken to give a pretightening force to the electric impact hammer 6, the feeding speed of the first feeding mechanism is set on the controller 8, and then the motor 7 is started through the controller 8, so that the first screw rod is driven to rotate to enable the first sliding block to translate at a set. Different feeding speeds can be realized through the setting of the controller, so that the welding machine is suitable for different welding processes. The first sliding block drives the electric impact hammer and the ultrasonic wave plate which are clamped on the second feeding mechanism to continuously perform ultrasonic impact rolling on the welding line along with movement, so that the shaping of welding line metal is increased, the welding deformation and the welding residual stress are effectively reduced, the defects of bubbles, impurities and the like in the welding line are reduced, the quality of the welding joint is improved, and the service life of the welding joint is prolonged. Meanwhile, the magnetic field generator 11 generates a magnetic field to refine weld structure grains.
The device can be used for the treatment of the welded seam and can also be used for the welding and rolling process.
Example 2: according to another embodiment of the invention, in the device for optimizing the impact rolling of the linear welding seam of the plate by using the ultrasonic magnetic field, the impact hammer is a pneumatic impact hammer.
Other structures and methods of use can be referred to in example 1.
It should be noted that the above-mentioned only illustrates the preferred embodiments and principles of the present invention, and that those skilled in the art will be able to make modifications to the embodiments based on the idea of the present invention, and that such modifications should be considered as the protection scope of the present invention.
Claims (10)
1. A device for optimizing linear weld joint ultrasonic magnetic field impact rolling of a plate comprises a rack, a welding platform, a first feeding mechanism, a second feeding mechanism and an impact hammer, wherein the plate is fixed on the welding platform, the rack is arranged above the welding platform, the first feeding mechanism is fixedly connected with the rack, the feeding direction of the first feeding mechanism is parallel to the linear weld joint of the plate, the second feeding mechanism is fixedly connected with the first feeding mechanism, the feeding direction of the second feeding mechanism is perpendicular to the feeding direction of the first feeding mechanism and the plane of the welding platform, and the impact hammer is arranged on the second feeding mechanism and faces the weld joint; the welding device is characterized by further comprising an ultrasonic generator, an ultrasonic wave plate and a magnetic field generator, wherein the ultrasonic wave plate is mounted on the impact hammer and connected with the ultrasonic generator, and the magnetic field generator is mounted on the welding platform.
2. The device for optimizing the impact rolling of the ultrasonic magnetic field of the linear welding seam of the plate material as claimed in claim 1, wherein the first feeding mechanism comprises a first lead screw, a first slide block, a first sliding frame and a motor; the first lead screw and the first sliding frame are arranged on the rack in parallel; the first sliding block penetrates through the first lead screw and is connected in the first sliding frame in a sliding manner; the motor is coupled with the tail end of the first lead screw.
3. The apparatus for optimizing ultrasonic magnetic field shock compaction of a linear weld of sheet material according to claim 2, wherein the second feed mechanism is mounted on the first slide.
4. The device for optimizing the impact rolling of the linear welding seam of the plate material by the ultrasonic magnetic field as claimed in claim 2, further comprising a controller, wherein the motor is connected with the controller and controls the start, stop and rotation speed of the motor.
5. The device for optimizing the impact rolling of the ultrasonic magnetic field of the linear weld of the plate material according to claim 1, wherein the second feeding mechanism comprises a second lead screw, a lead screw hand wheel, a second slide block, a second sliding frame and an O-shaped clamp, the second sliding frame is fixedly connected with the first feeding mechanism, the second lead screw is arranged on the second sliding frame in a penetrating manner, the second slide block is arranged on the second lead screw in a sliding manner and is connected in the second sliding frame in a sliding manner, and the second slide block is fixedly connected with the O-shaped clamp; the lead screw hand wheel is a disc with an eccentric shaking handle, and the center of the disc is in shaft connection with the second lead screw.
6. The apparatus for optimizing linear weld ultrasonic magnetic field impact rolling of sheet material according to claim 5, wherein the O-shaped clamp has a clamp seat, and the clamp seat is fixedly connected with the second slide block.
7. The device for optimizing the impact rolling of the linear welding seam of the plate material by the ultrasonic magnetic field as claimed in claim 5, wherein the O-shaped clamp is provided with two coaxially arranged O-shaped rings, each O-shaped ring is composed of two semicircular rings, connecting bosses are arranged at two ends of each semicircular ring, the two semicircular rings are penetrated through the connecting bosses by bolts so as to fix and adjust the fastening degree of the O-shaped rings, and the impact hammer is clamped in the O-shaped rings.
8. The apparatus for ultrasonic magnetic field shock compaction optimization of a linear weld of sheet material according to claim 1, wherein the magnetic field generator is mounted parallel to the feed direction of the first feed mechanism.
9. The device for optimizing the impact rolling of the linear welding seam of the plate by the ultrasonic magnetic field of claim 1, wherein the impact hammer is an electric impact hammer or a pneumatic impact hammer.
10. The device for optimizing the impact rolling of the ultrasonic magnetic field of the linear welding seam of the plate material as claimed in claim 1, further comprising a protective net which is arranged around the frame in an enclosing manner.
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CN101913030A (en) * | 2010-08-30 | 2010-12-15 | 赵显华 | Metal plate welding equipment eliminating deformation and stress by using ultrasonic waves |
CN101966633A (en) * | 2010-08-30 | 2011-02-09 | 赵显华 | Metal-plate welding device for eliminating deformation and stress through ultrasonic waves |
CN202984880U (en) * | 2012-10-19 | 2013-06-12 | 南通大学 | Post-welding seam tracking and residual stress relieving system |
CN104726687A (en) * | 2014-10-15 | 2015-06-24 | 哈尔滨工业大学(威海) | Technique for reducing or eliminating welding deformation and residual stress by trailing welding ultrasonic peening |
CN204569995U (en) * | 2015-03-05 | 2015-08-19 | 内蒙古工业大学 | For the automatic gear of weld impingement |
CN205635704U (en) * | 2016-05-13 | 2016-10-12 | 华东交通大学 | Carry out supersound impact experiment auxiliary device to board class sample |
CN206157209U (en) * | 2016-10-28 | 2017-05-10 | 华东交通大学 | Supersound of reinforceing welding component welding seam strikes device |
CN107460302A (en) * | 2017-08-08 | 2017-12-12 | 合肥正明机械有限公司 | A kind of processing method for improving weldment fatigue life |
CN108754122A (en) * | 2018-06-27 | 2018-11-06 | 中国核工业华兴建设有限公司 | A kind of automatic ultrasonic impact elimination welding residual stress device |
CN109371225A (en) * | 2018-12-20 | 2019-02-22 | 江苏阳明船舶装备制造技术有限公司 | One kind eliminating welding residual stress machine for automatic ultrasonic impact |
CN111690807A (en) * | 2020-07-31 | 2020-09-22 | 江苏阳明船舶装备制造技术有限公司 | Magnetic automatic ultrasonic impact welding residual stress eliminating machine |
-
2020
- 2020-11-24 CN CN202011331477.XA patent/CN112453108A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101913030A (en) * | 2010-08-30 | 2010-12-15 | 赵显华 | Metal plate welding equipment eliminating deformation and stress by using ultrasonic waves |
CN101966633A (en) * | 2010-08-30 | 2011-02-09 | 赵显华 | Metal-plate welding device for eliminating deformation and stress through ultrasonic waves |
CN202984880U (en) * | 2012-10-19 | 2013-06-12 | 南通大学 | Post-welding seam tracking and residual stress relieving system |
CN104726687A (en) * | 2014-10-15 | 2015-06-24 | 哈尔滨工业大学(威海) | Technique for reducing or eliminating welding deformation and residual stress by trailing welding ultrasonic peening |
CN204569995U (en) * | 2015-03-05 | 2015-08-19 | 内蒙古工业大学 | For the automatic gear of weld impingement |
CN205635704U (en) * | 2016-05-13 | 2016-10-12 | 华东交通大学 | Carry out supersound impact experiment auxiliary device to board class sample |
CN206157209U (en) * | 2016-10-28 | 2017-05-10 | 华东交通大学 | Supersound of reinforceing welding component welding seam strikes device |
CN107460302A (en) * | 2017-08-08 | 2017-12-12 | 合肥正明机械有限公司 | A kind of processing method for improving weldment fatigue life |
CN108754122A (en) * | 2018-06-27 | 2018-11-06 | 中国核工业华兴建设有限公司 | A kind of automatic ultrasonic impact elimination welding residual stress device |
CN109371225A (en) * | 2018-12-20 | 2019-02-22 | 江苏阳明船舶装备制造技术有限公司 | One kind eliminating welding residual stress machine for automatic ultrasonic impact |
CN111690807A (en) * | 2020-07-31 | 2020-09-22 | 江苏阳明船舶装备制造技术有限公司 | Magnetic automatic ultrasonic impact welding residual stress eliminating machine |
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Application publication date: 20210309 |