CN209773260U - Laser cladding and ultrasonic vibration combined auxiliary rivet-free rivet-turning connecting device - Google Patents
Laser cladding and ultrasonic vibration combined auxiliary rivet-free rivet-turning connecting device Download PDFInfo
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- CN209773260U CN209773260U CN201920535843.XU CN201920535843U CN209773260U CN 209773260 U CN209773260 U CN 209773260U CN 201920535843 U CN201920535843 U CN 201920535843U CN 209773260 U CN209773260 U CN 209773260U
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- laser
- laser cladding
- riveting
- ultrasonic vibration
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Abstract
the utility model discloses a laser cladding and supplementary no rivet of ultrasonic vibration combination turn over and rivet connecting device, include: a base having a first through hole; the lower turning riveting punch is elastically supported in the first through hole; the ultrasonic vibration device is connected with the bottom of the downward turning riveting punch and can drive the downward turning riveting punch to impact the top; the blank holder is internally provided with a second through hole; the upward turning riveting punch is movably arranged in the second through hole and can slide up and down along the second through hole; a laser cladding device is adopted to form a cladding interlayer between riveting metals, so that the generation of electrochemical corrosion is avoided, an ultrasonic vibration device is combined to drive a punch to realize rivet turning, the residual stress generated in the riveting process is reduced, and the surface strength of the riveting joint is effectively improved.
Description
Technical Field
the utility model relates to a dissimilar metal does not have rivet riveting technical field, concretely relates to laser cladding and supplementary no rivet of ultrasonic vibration combination turn over device of riveting.
Background
With the development of the automobile industry, the requirement for the lightweight of the automobile is increasingly prominent. In addition to the use of lightweight, high strength materials in place of traditional steel, machining and joining techniques are constantly being updated. The rivetless riveting adopts stamping equipment and a special standard connecting die, and can form a round point which is inlaid at the connecting part through a stamping process by utilizing the plastic deformation of the material, thereby connecting the plates. Compared with the traditional processing methods, such as welding and gluing, the rivet-free riveting has the advantages of no raw material, light connecting quality, capability of connecting different materials, firm connection, simplicity in operation, low cost and the like, and the rivet-free riveting becomes the mainstream mode of connecting thin plate materials along with the continuous maturity of the technical development.
However, when riveting is performed, metals with poor plasticity are prone to metal fatigue at the riveted joint, and cracks and even breakage can be seriously generated to influence the performance of the joint. In the riveted joint of dissimilar metal materials, there is a possibility that electrochemical corrosion may occur due to the influence of a large air humidity or the like. Therefore, new techniques are needed to address these problems at the joint and further improve the performance of the joint.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a laser cladding combines supplementary no rivet to turn over rivets connecting device with ultrasonic vibration, adopts the laser cladding device to form between the riveting metal and melts the cladding intermediate layer, avoids electrochemical corrosion's production, and the ultrasonic vibration device that reunion drives the drift and realizes turning over the rivet, has reduced the residual stress that the riveting in-process produced, has effectively improved the surface strength of riveting joint department.
the utility model provides a technical scheme does:
the utility model provides a laser cladding and supplementary no rivet of ultrasonic vibration combination turn over and rivet connecting device which characterized in that includes:
a base having a first through hole;
the downward turning riveting punch is coaxially and elastically supported in the first through hole;
The ultrasonic vibration device is connected with the bottom of the downward turning riveting punch and can drive the downward turning riveting punch to slide along the first through hole;
The blank holder is internally provided with a second through hole;
The upward turning riveting punch is coaxially arranged in the second through hole and can slide up and down along the second through hole;
The first laser cladding device is rotatably supported in the second through hole and can enable the riveting metal surface below the first laser cladding device to form an annular cladding layer;
And the second laser cladding device is rotatably supported at the bottom of the second through hole and is positioned below the first laser cladding device, so that an annular cladding layer can be formed on the surface of the riveting metal positioned at the center of the second laser cladding device.
preferably, the first laser cladding apparatus includes:
a first ring rotatably supported within the second through-hole;
at least one first hinge rod, one end of which is hinged with the first circular ring and can rotate along with the first circular ring;
The longitudinal laser emitter is detachably connected with the other end of the first hinge rod;
the first powder feeding box is arranged at the other end of the first hinge rod, is positioned on one side of the longitudinal laser emitter, is provided with a spray head and can spray powder to the lower part of the spray head.
Preferably, the first laser cladding apparatus includes:
the first annular slide rail is detachably fixed in the second through hole;
At least one first hinge rod, one end of which is connected with the first annular slide rail and can slide along the first annular slide rail;
The longitudinal laser emitter is detachably connected with the other end of the first hinge rod;
The first powder feeding box is arranged at the other end of the first hinge rod, is positioned on one side of the longitudinal laser emitter, is provided with a spray head and can spray powder to the lower part of the spray head.
Preferably, the first hinge rod is a telescopic rod.
Preferably, the second laser cladding apparatus includes:
a second ring rotatably supported at the bottom of the second through hole;
At least one transverse laser transmitter detachably connected with the second ring and capable of rotating with the second ring;
And the second powder feeding box is arranged on one side of the transverse laser transmitter and rotates along with the transverse laser transmitter, and the second powder feeding box is provided with a second spray head and can spray powder to the center.
Preferably, the second laser cladding apparatus includes:
A second annular slide rail detachably fixed to the second through bottom;
At least one transverse laser transmitter which is detachably connected with the second annular rail and can slide along the second annular slide rail;
And the second powder feeding box is arranged on one side of the transverse laser transmitter and rotates along with the transverse laser transmitter, and the second powder feeding box is provided with a second spray head and can spray powder to the center.
preferably, the clinch-down punch includes:
The punch body is cylindrical, and the bottom of the punch body is provided with a cylindrical hole for accommodating the ultrasonic vibration device;
and the skirt part is annular, and the inner ring is integrally connected with the punch main body and is positioned in the middle of the punch main body.
Preferably, the method further comprises the following steps:
a first spring disposed in an accommodation space formed between a bottom of the first through hole and a lower portion of the skirt;
And the second spring is arranged between the upper part of the skirt part and the accommodating hole formed at the top of the first through hole.
Preferably, the laser emitter is a solid state laser.
Beneficial effects of the utility model
the utility model relates to a laser cladding combines supplementary no rivet to turn over rivets connecting device with ultrasonic vibration, adopts the laser cladding device to form between the riveting metal and melts the cladding intermediate layer, avoids electrochemical corrosion's production, and the ultrasonic vibration device that reunion drives the drift and realizes turning over the rivet, has reduced the residual stress that the riveting in-process produced, has effectively improved the surface strength of riveting joint department, does not use rivet and other additional piece, relies on aluminum plate's deformation to form the auto-lock, has alleviateed the quality of joint department.
Laser cladding combines supplementary no rivet to turn over rivets connection method with ultrasonic vibration to be punched the hole in advance, turns over again and rivets processing, and the in-process steel sheet does not warp, and only the lower aluminum plate of the better hardness of plasticity takes place to warp, has avoided joint crackle, stress concentration that probably appear in the riveting process to produce even and connects cracked condition. And the steel plate is not deformed, so that the problem of difficult deformation of the high-strength steel is solved, the requirements on the power and the pressure of equipment are low, the energy is saved, and the cost is reduced.
the utility model discloses use ultrasonic vibration to strike the inner wall in joint hole, refined the metal crystalline grain on the wall, reduce or even eliminate and turn over the residual stress who rivets the production, improved the joint strength and the life who connect.
The utility model discloses use laser cladding to come to add the nickel base cladding layer between steel sheet and aluminum plate joint department, when the cladding layer solidifies the pressurize, not only improved the intensity after aluminum plate warp, can effectively avoid the electrochemical corrosion who produces easily between steel sheet and the aluminum plate moreover.
Compared with the existing riveting modes of adding the adhesive such as sticking riveting and the like, the laser cladding melting and solidifying time is short, the process and time for curing the adhesive before riveting can be saved, and the working efficiency is improved. The thickness of the laser cladding layer is 0.2-0.6mm, the laser cladding layer is thin and uniform, and the problems of glue layer fracture and glue layer uneven distribution which are easy to occur in sticking and riveting can be avoided.
Drawings
fig. 1 is the structure diagram of the laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connecting device of the present invention.
Fig. 2 is a schematic structural diagram of the base of the present invention.
fig. 3 is a schematic structural view of the downward-turning riveting punch of the present invention.
Fig. 4 is an installation schematic diagram of the downward turning riveting punch and the elastic device of the present invention.
fig. 5 is a schematic structural view of the blank holder of the present invention.
Fig. 6 is a schematic structural view of the first laser cladding apparatus of the present invention.
fig. 7 is a schematic structural view of another embodiment of the first laser cladding apparatus according to the present invention.
Fig. 8 is a schematic structural view of a second laser cladding apparatus according to the present invention.
fig. 9 is a schematic structural view of another embodiment of the second laser cladding apparatus according to the present invention.
fig. 10 is a schematic view of the position and deformation state of the sheet material before the rivet is turned over.
fig. 11 is a schematic position view of the first cladding area and the second cladding area before rivet turning.
fig. 12 is a schematic diagram of the position and deformation state of the plate after the first rivet-flipping and laser cladding.
Fig. 13 is a schematic diagram of the position and deformation state of the plate after the second rivet-flipping and laser cladding.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
as shown in fig. 1, the laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connection device provided by the invention comprises: the laser cladding device comprises a base 110, a lower turning riveting punch 120, an ultrasonic vibration device 130, a blank holder 140, an upper turning riveting punch 150, a first laser cladding device 160 and a second laser cladding device 170.
As shown in fig. 2, the center of the base 110 has a stepped first through hole 111, the downward riveting punch 120 is supported in the first through hole 111 through an elastic device 112, and an ultrasonic vibration device 130 is connected to the bottom of the downward riveting punch 120 and can drive the downward riveting punch 120 to impact the top of the base 110;
as shown in fig. 3, in another embodiment, the clinch-down punch 120 includes a punch body 121 and a skirt portion 122, the punch body 121 has a cylindrical shape, the bottom portion has a cylindrical hole 121a, the cylindrical hole 121a is used for accommodating the ultrasonic vibration device 130, the skirt portion 122 has a ring shape, and an inner ring is integrally connected to the punch body 121 and located at the middle of the punch body 121.
In another embodiment, the base 110 has a stepped through hole in the middle and a small hole diameter of 7mm in the lower part for connecting an external power device and a control system. The upper large aperture is 15mm for mounting the first spring 123 and the second spring 124 and the clinch-down punch 120. The skirt of the clinch-down punch 12-is 14mm in diameter, thereby restraining its displacement from side to side.
in another embodiment, the base of the lower clinching punch 120 is cylindrical with a diameter of 6mm, the upper surface of the lower clinching punch gradually shrinks into a circular surface with a diameter of 3mm, and the edge of the circular surface shrunk has a round angle of 1mm, so that the clinching is facilitated. The inside of the downward-turned riveting punch 120 is provided with a deep hole with the aperture of 4mm, and the ultrasonic vibration device 1 with the same diameter is tightly installed in the deep hole. After the first riveting is finished, the power device does not remove the power, the ultrasonic vibration device 130 drives the lower riveting punch 120 to impact the wall surface, and the impact time is 3 s.
As shown in fig. 4, the elastic device 112 includes a first spring 123 and a second spring 124, the first spring 123 is sleeved on the punch body 121 and is located below the skirt portion 122 and in the accommodating space formed at the bottom of the first through hole 111; the second spring 124 is sleeved on the punch body 121 and is positioned in a containing hole formed above the skirt portion 122 and at the top of the first through hole, preferably, the first spring 123 and the second spring 124 are both helical compression springs, and the elastic coefficient is 1300-1700N/mm. Because the elastic coefficients of the first spring 123 and the second spring 124 are the same, when the downward-turning riveting punch 120 moves upwards, the acting forces of the two springs can be mutually offset, and the power device only needs to provide the force for pushing the punch 120 per se, and does not need to additionally provide power to offset the elastic force of the springs. The stroke of the clinch down punch 120 from contacting the aluminum plate was 6 mm.
When the ultrasonic vibration device 130 is started to drive the downward-turning riveting punch 120 to overcome the tensile force of the elastic device 112, the downward-turning riveting punch 120 impacts along the upper part of the box base 110 of the first through hole 111, the impact vibration device 130 is closed, and the elastic device 112 pulls the downward-turning riveting punch 120 to reset.
as shown in fig. 5, the blank holder 140 has a stepped second through hole 141 in the center thereof, and the upper rivet punch 150 is movably disposed in the second through hole 141 and can slide up and down along the second through hole 141; preferably, the upward-turning riveting punch 150 is a variable-diameter cylinder with an arc transition, the diameter above the upward-turning riveting punch 150 is 15mm, the upward-turning riveting punch is matched with the small aperture of the blank holder 5, the diameter below the upward-turning riveting punch is 5mm, the diameter below the upward-turning riveting punch is smaller than the aperture of the aluminum plate after the first-time turning riveting, and the bottom surface of the upward-turning riveting punch has a 1mm round angle transition. The arc surface can be when the second time is turned over and is riveted, turns over aluminum plate gradually, avoids producing suddenly great deformation and leads to aluminum plate to break, and the joint that finally forms is outer for the fillet form, can avoid stress concentration even electrochemical corrosion's pointed end, marginal discharge scheduling problem. The stroke of the upturning riveting punch after contacting the aluminum plate is 6 mm.
as shown in fig. 6, the first laser cladding device 160 is rotatably supported in the second through hole 141, the first laser cladding device rotates 160 to form an annular cladding layer on the riveted metal surface therebelow, and the first laser cladding device 160 includes a first ring 161, at least one first hinge rod 162, a longitudinal laser 163, and a first powder feeding box 164. The first ring 161 is rotatably supported in the second through hole 141; one end of the first hinge lever 162 is hinged to the first ring 161 and can rotate with the first ring 161; the longitudinal laser transmitter 163 is detachably coupled to the other end of the first hinge bar 162 by a bolt, and the first powder feeding box 164 is provided at the other end of the first hinge bar 162 at one side of the longitudinal laser transmitter 163 and has a spray head capable of spraying powder thereunder.
as shown in fig. 7, in another embodiment, the first laser cladding apparatus 160 includes: the first annular slide rail 161a is detachably fixed in the second through hole 141 by a bolt; at least one first hinge rod 162 having one end connected to the first annular slide rail 161a and capable of sliding along the first annular slide rail 161 a; the longitudinal laser transmitter 163 is detachably coupled to the other end of the first hinge bar 162 by a bolt, and the first powder feeding box 164 is provided at the other end of the first hinge bar 162 at one side of the longitudinal laser transmitter 163 and has a spray head capable of spraying powder thereunder.
preferably, the first hinge bar 162 is a telescopic bar. The number of the longitudinal laser transmitters 163 and the first hinge bars 162 is four, and the first powder feeding box 164 contains NiCrBSi powder.
When a cladding layer is formed, starting a first laser cladding device 160, driving a longitudinal laser emitter 163 and a first powder feeding box 164 to rotate by a first ring 161, vertically spraying NiCrBSi powder to a cladding area below in the rotating process, starting a longitudinal laser, and forming an annular second cladding layer in the cladding area;
Or the laser emitter 163 slides along the first annular slide rail 161a, and in the rotating process, NiCrBSi powder is vertically sprayed to the lower cladding area, and the longitudinal laser is turned on, so as to form an annular cladding layer in the cladding area,
Due to the characteristics of high temperature and high efficiency of laser cladding, the action time of the laser cladding is about 1s, and the solidification time is about 3-6 s.
as shown in fig. 8, the second laser cladding apparatus 170 includes: a second ring 171, at least one transverse laser emitter 172 and a second powder feeding box 173, wherein the second ring 171 is rotatably supported at the bottom of the second through hole 141, the second ring 171 is positioned below the first ring 161, and the at least one transverse laser emitter 172 is detachably connected with the second ring 171 and can rotate along with the second ring 171; the second powder feeder box 173 is provided on the side of the lateral laser transmitter 172, and the second powder feeder box 173 has a second spray head capable of spraying powder toward the center as the lateral laser transmitter 172 rotates.
As shown in fig. 9, the second laser cladding apparatus 170 includes: a second annular slide rail 171a, at least one transverse laser emitter 172 and a second powder feeding box 173, wherein the second annular slide rail 171a is detachably fixed at the bottom of the second through hole 141 through bolts; at least one transversal laser emitter 172 is detachably connected to the second annular slide rail 171 through bolts and can slide along the second annular slide rail 171; the second powder feeding box 173 is located at one side of the lateral laser transmitter 172, and the second powder feeding box 172 has a second spray head capable of spraying powder toward the center as the lateral laser transmitter 172 rotates.
preferably, the number of transverse lasers 172 is 4, and the second powder feeder 173 contains NiCrBSi powder.
When a cladding layer is formed, starting a second laser cladding device 170, driving a transverse laser emitter 172 and a second powder feeding box 173 to rotate by a second ring 171, spraying NiCrBSi powder to a cladding area on the inner side of the second ring 171 in the rotating process, starting a transverse laser, and forming an annular cladding layer in the cladding area;
Or the transverse laser emitter 172 slides along the first annular slide rail 161a, NiCrBSi powder is sprayed on the central cladding area in the rotating process, the transverse laser is started, an annular cladding layer is formed in the cladding area,
Due to the characteristics of high temperature and high efficiency of laser cladding, the action time of the laser cladding is about 1s, and the solidification time is about 3-6 s.
The transverse laser emitter 172 and the longitudinal laser 163 adopt solid lasers, and have the characteristics of high power, high efficiency, good beam quality, narrow line width, stable work, no deformation in thin-wall cladding and avoidance of aluminum alloy collapse. Because it can reach 400W power and the condensed light spot is small. Therefore, the cladding material on the surface can be melted within 1s, the size of the laser is small, the emitter nozzle is connected to external control equipment through an internal connecting line of the blank holder 140, the size of the nozzle in the blank holder 140 is only 3-5mm, and the diameter of a light spot is 3 mm.
The riveting of a steel plate having a thickness of 2mm and an aluminum plate having a thickness of 2mm is exemplified as an example of the implementation of the present invention
as shown in FIG. 1, before riveting, the steel plate 210 and the aluminum plate 220 are perforated and are placed between the base 110 and the clamping ring 140 in a centering manner, the steel plate 210 is arranged on the upper portion, the aluminum plate 220 is arranged on the lower portion, and the two plates are pressed on the base 110 by the clamping ring 140.
as shown in fig. 10-11, the upper surface is a steel plate 210 with a hole diameter of 10mm, the lower surface is an aluminum plate 11 with a hole diameter of 4mm, the boundary circle diameter of the first cladding region and the second cladding region is 7mm, and the first cladding region and the second cladding region are both circular rings with a width of 3mm, corresponding to the deformation region of the aluminum plate 220 during each rivet turning.
As shown in fig. 12, a longitudinal laser 163 installed above the opening vertically sprays NiCrBSi powder to the first cladding region in a synchronized powder feeding manner and cladding is performed. Due to the characteristics of high temperature and high efficiency of laser cladding, the action time of the laser cladding is about 1s, and the solidification time is about 3-6 s. When cladding is carried out, the preset program is used for controlling the first circular ring 161 to drive the hinge device and the laser emitter to rotate 90 degrees, the rotation angular speed of the circular ring is 30 degrees/s, and the whole area of the first cladding area is clad. And when the cladding layer is not solidified, starting a power device, pushing the downward-turning riveting punch 120 to move upwards, and turning out the part of the aluminum plate 220, which exceeds the hole of the steel plate 210, upwards. And fixing the lower turning riveting punch 120 after turning out, starting the ultrasonic vibration device 130, driving the punch to transversely impact the inner wall of the circular hole of the aluminum plate 220 at the frequency of 20KHz, and ensuring that the impact amplitude is 0.1 mm.
as shown in fig. 13, the clinch-down punch 120 is returned by the resilient means 112. Under program control, the first ring 161 is repositioned and the vertical laser transmitter 166 above the inside of the blankholder 140 is rotated 90 ° about the hinge axis, close to the sidewall of the blankholder 140, to facilitate the downward movement of the upturning rivet punch 150. The transversal laser emitter 1723 at the bottom of the binder 140 sprays NiCrBSi powder transversally to the second cladding area already in the vertical state at this time in a synchronous powder feeding manner, and cladding is performed, while the second ring 171 rotates at an angular speed of 30 °/s by 90 ° to clad all areas of the second cladding area. And starting a power device while the cladding layer is not solidified, pushing the upward-turning riveting punch 150 to move downwards, and turning out the vertical part of the aluminum plate 220 to two sides.
maintaining the pressure for a certain time, resetting the upturning riveting punch 150, and taking out the connecting piece.
in the process of riveting, the holes of the steel plate 210 and the holes of the aluminum plate 220, the upper riveting punch 120 and the lower riveting punch 150 are centered.
The utility model relates to a laser cladding combines supplementary no rivet to turn over rivets connecting device with ultrasonic vibration, adopts the laser cladding device to form between the riveting metal and melts the cladding intermediate layer, avoids electrochemical corrosion's production, and the ultrasonic vibration device that reunion drives the drift and realizes turning over the rivet, has reduced the residual stress that the riveting in-process produced, has effectively improved the surface strength of riveting joint department, does not use rivet and other additional piece, relies on aluminum plate's deformation to form the auto-lock, has alleviateed the quality of joint department.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a laser cladding and supplementary no rivet of ultrasonic vibration combination turn over and rivet connecting device which characterized in that includes:
A base having a first through hole;
the downward turning riveting punch is coaxially and elastically supported in the first through hole;
The ultrasonic vibration device is connected with the bottom of the downward turning riveting punch and can drive the downward turning riveting punch to slide along the first through hole;
The blank holder is internally provided with a second through hole;
The upward turning riveting punch is coaxially arranged in the second through hole and can slide up and down along the second through hole;
the first laser cladding device is rotatably supported in the second through hole and can enable the riveting metal surface below the first laser cladding device to form an annular cladding layer;
And the second laser cladding device is rotatably supported at the bottom of the second through hole and is positioned below the first laser cladding device, so that an annular cladding layer can be formed on the surface of the riveting metal positioned at the center of the second laser cladding device.
2. the laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connection device of claim 1, wherein the first laser cladding device comprises:
A first ring rotatably supported within the second through-hole;
At least one first hinge rod, one end of which is hinged with the first circular ring and can rotate along with the first circular ring;
The longitudinal laser emitter is detachably connected with the other end of the first hinge rod;
The first powder feeding box is arranged at the other end of the first hinge rod, is positioned on one side of the longitudinal laser emitter, is provided with a spray head and can spray powder to the lower part of the spray head.
3. The laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connection device of claim 1, wherein the first laser cladding device comprises:
the first annular slide rail is detachably fixed in the second through hole;
at least one first hinge rod, one end of which is connected with the first annular slide rail and can slide along the first annular slide rail;
The longitudinal laser emitter is detachably connected with the other end of the first hinge rod;
The first powder feeding box is arranged at the other end of the first hinge rod, is positioned on one side of the longitudinal laser emitter, is provided with a spray head and can spray powder to the lower part of the spray head.
4. the laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connection device according to claim 2 or 3, wherein the first hinge rod is a telescopic rod.
5. the laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connection device of claim 1, wherein the second laser cladding device comprises:
a second ring rotatably supported at the bottom of the second through hole;
At least one transverse laser transmitter detachably connected with the second ring and capable of rotating with the second ring;
And the second powder feeding box is arranged on one side of the transverse laser transmitter and rotates along with the transverse laser transmitter, and the second powder feeding box is provided with a second spray head and can spray powder to the center.
6. The laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connection device of claim 1, wherein the second laser cladding device comprises:
a second annular slide rail detachably fixed to the second through bottom;
At least one transverse laser transmitter which is detachably connected with the second annular slide rail and can slide along the second annular slide rail;
And the second powder feeding box is arranged on one side of the transverse laser transmitter and rotates along with the transverse laser transmitter, and the second powder feeding box is provided with a second spray head and can spray powder to the center.
7. the laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connection device according to any one of claims 1-3, 5 and 6, wherein the lower riveting punch comprises:
the punch body is cylindrical, and the bottom of the punch body is provided with a cylindrical hole for accommodating the ultrasonic vibration device;
and the skirt part is annular and is sleeved in the middle of the punch main body.
8. the laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connection device according to claim 7, further comprising:
The first spring is sleeved on the punch head main body and is positioned above the skirt part;
and the second spring is sleeved on the punch head main body and is positioned below the skirt part.
9. the laser cladding and ultrasonic vibration combined assisted rivetless connection device of any one of claims 2-3, 5 and 6 wherein the laser emitter is a solid state laser.
10. The laser cladding and ultrasonic vibration combined auxiliary rivetless riveting connection device according to claim 9, wherein the first through hole and the second through hole are stepped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535843.XU CN209773260U (en) | 2019-04-19 | 2019-04-19 | Laser cladding and ultrasonic vibration combined auxiliary rivet-free rivet-turning connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535843.XU CN209773260U (en) | 2019-04-19 | 2019-04-19 | Laser cladding and ultrasonic vibration combined auxiliary rivet-free rivet-turning connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209773260U true CN209773260U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920535843.XU Expired - Fee Related CN209773260U (en) | 2019-04-19 | 2019-04-19 | Laser cladding and ultrasonic vibration combined auxiliary rivet-free rivet-turning connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209773260U (en) |
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2019
- 2019-04-19 CN CN201920535843.XU patent/CN209773260U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20210419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |