CN120038500A - Welding device for machining outer cylinder of automobile shock absorber - Google Patents
Welding device for machining outer cylinder of automobile shock absorber Download PDFInfo
- Publication number
- CN120038500A CN120038500A CN202510324079.1A CN202510324079A CN120038500A CN 120038500 A CN120038500 A CN 120038500A CN 202510324079 A CN202510324079 A CN 202510324079A CN 120038500 A CN120038500 A CN 120038500A
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- rod
- outer cylinder
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- welding
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- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of welding of shock absorbers, in particular to a welding device for processing an outer cylinder of an automobile shock absorber, which comprises a base, wherein one end of the base is provided with a left clamp for clamping the outer cylinder, and the other end of the base is provided with a right clamp for clamping an end cover; one side of base is provided with welding assembly, and the opposite side is provided with the subassembly of polishing, the subassembly of polishing includes drive division, is provided with the mounting panel on the drive division, is provided with welder on the mounting panel. According to the invention, the clamped outer cylinder and the cylinder end are driven to rotate for one circle before welding through the butt joint detection assembly, if the butt joint precision of the outer cylinder and the cylinder end is poor, the laser signal which is received by the laser receiver arranged on the second guide rod and sent upwards by the laser emitter arranged on the first guide rod can be stirred, so that the butt joint precision of the outer cylinder and the cylinder end can be timely judged, and when the butt joint precision of the outer cylinder and the cylinder end is detected to be poor, the positions of the outer cylinder and the cylinder end are adjusted, the butt joint precision of the outer cylinder and the cylinder end is ensured, and the welding effect is ensured.
Description
Technical Field
The invention relates to the technical field of welding of shock absorbers, in particular to a welding device for processing an outer cylinder of an automobile shock absorber.
Background
Automobile shock absorbers are an important component of a vehicle suspension system and play a critical role in ensuring driving safety and ride comfort. Wherein, the connection quality of the outer cylinder of the shock absorber and the end cover directly influences the performance and the service life of the whole shock absorber. Therefore, the realization of an efficient and accurate welding process becomes a key link for improving the manufacturing quality of the shock absorber, and the accurate butt joint between the outer cylinder and the end cover must be ensured before the girth welding is carried out. Any minor deviations may lead to welding defects such as cold joints, air holes, etc.
The patent with the application number of CN202211531883.X discloses a welding device for processing an outer cylinder of an automobile shock absorber, a welding pedestal, wherein the right side of the welding pedestal is fixedly connected with a control panel through a screw, an automatic welding arm is fixedly connected to the rear side of the upper surface of the welding pedestal through a bolt, and the automatic welding arm is connected with the control panel through an electric connection wire.
However, when the welding device is used, the workpiece butt joint accuracy is difficult to judge by manual operation, so that consistency and accuracy of each welding are difficult to ensure, uneven welding seams are easy to cause, even the problems of welding missing and the like occur, and the welding quality is influenced.
Disclosure of Invention
In view of the above, the present invention provides a welding device for processing an outer cylinder of an automobile shock absorber, which solves the problem that the existing welding device for the outer cylinder of the shock absorber is difficult to judge the workpiece butting accuracy, so that the consistency and accuracy of each welding are difficult to ensure.
The invention provides a welding device for processing an outer cylinder of an automobile shock absorber, which comprises a base, wherein one end of the base is provided with a left clamp for clamping the outer cylinder, and the other end of the base is provided with a right clamp for clamping an end cover;
The butt joint detection assembly comprises a first guide rod and a second guide rod which are symmetrically arranged on two sides of a welding gun, wherein the first guide rod penetrates through a mounting plate in a sliding mode, a first guide wheel is arranged at one end, close to a left clamp, of the first guide rod, a limiting plate is fixedly arranged at the other end of the first guide rod, a threaded rod is connected to the limiting plate in a threaded mode, one end of the threaded rod is rotatably connected with the mounting plate, an end cap is arranged at the other end of the threaded rod, the second guide rod penetrates through the mounting plate in a sliding mode, a second guide wheel is arranged at one end, close to the left clamp, of the second guide rod, an end cover is arranged at the other end of the second guide rod, a spring is arranged between the end cover and the limiting plate, a laser emitter is arranged on the first guide wheel, a laser receiver is arranged on the second guide wheel, and the laser receiver and the laser emitter and the laser receiver are communicated with an external control system.
Further, the drive part comprises a second transverse electric drive rod, one end of the second transverse electric drive rod is connected with one side face of the base, the other end of the second transverse electric drive rod is fixedly connected with a second electric telescopic rod, the second electric telescopic rod is transversely arranged with the second transverse electric drive rod, the top of the second electric telescopic rod is connected with a second electric sliding rail, a second sliding block is arranged on the second electric sliding rail in a sliding mode, the second electric sliding rail can drive the second sliding block to slide, and the bottom of the second sliding block is connected with the top of the mounting plate.
Further, right anchor clamps include the hydraulic stem, the hydraulic stem sets up on the base, and the drive end rotation of hydraulic stem is provided with right runner, the symmetry is provided with two sets of first electronic clamping jaw on the right runner, and two sets of first electronic clamping jaw rotate with right runner respectively and are connected.
Further, the left clamp comprises a side plate, a left rotating wheel is rotatably arranged on one side surface of the side plate, a first servo motor used for driving the left rotating wheel to rotate is arranged on the side plate, two groups of rotating rods are symmetrically arranged on the left rotating wheel in a rotating mode, two groups of second servo motors used for driving the two groups of rotating rods to rotate are arranged on the left rotating wheel, and a second electric clamping jaw is arranged at one end, far away from the left rotating wheel, of the rotating rod.
Further, a transmission rod is fixedly connected to the right rotating wheel, and the other end of the transmission rod penetrates through the left rotating wheel and is exposed outwards.
Further, a fine adjustment assembly for adjusting the position of the second electric clamping jaw is further arranged on the rotating rod.
Further, the fine setting subassembly includes the grooved plate body of side, plate body and bull stick fixed connection, rotate between the both sides face of the grooved inner wall of plate body and be provided with first lead screw, be provided with on the plate body and be used for driving first lead screw pivoted first motor, the spiro union has the piece that slides on the first lead screw, slides the piece and hugs closely with the grooved inner wall of plate body, the bottom rotation of sliding the piece is provided with the second lead screw, the other end and the grooved bottom sliding setting of plate body of second lead screw, the top of sliding the piece is provided with the second motor that is used for driving second lead screw pivoted, be provided with the connecting plate on the second lead screw, one side and the second lead screw spiro union of connecting plate, another side and second electronic clamping jaw are connected.
Further, the polishing assembly comprises a first transverse electric driving rod, one end of the first transverse electric driving rod is connected with one side face of the base, the other end of the first transverse electric driving rod is fixedly connected with a first electric telescopic rod, the first electric telescopic rod is transversely arranged with the first transverse electric driving rod, the top of the first electric telescopic rod is fixedly connected with a first electric sliding rail, a first sliding block is connected onto the first electric sliding rail, the first electric sliding rail can drive the first sliding block to slide, and a polishing part is arranged at the bottom of the first sliding block.
Further, the portion of polishing includes the riser, the fixed bottom that sets up at first slider of riser, a side symmetry that the riser is close to left anchor clamps is provided with two sets of side props, two sets of rotate between the side props and be provided with the grinding wheel, be located the right side be provided with drive grinding wheel pivoted driving motor on the side props.
The welding device has the advantages that the outer cylinder and the cylinder end which are clamped are driven to rotate for one circle before welding through the butt joint detection assembly, if the butt joint precision of the outer cylinder and the cylinder end is poor, a laser signal which is received by the laser receiver arranged on the second guide rod and sent upwards by the laser emitter arranged on the first guide rod can be stirred, so that the butt joint precision of the outer cylinder and the cylinder end can be timely judged, and when the butt joint precision of the outer cylinder and the cylinder end is detected to be poor, the positions of the outer cylinder and the cylinder end are adjusted, the butt joint precision of the outer cylinder and the cylinder end is ensured, and the welding effect is ensured.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first view structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a second view structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a first view angle structure of the left clamp according to an embodiment of the present invention;
FIG. 4 is a schematic view of a second view structure of the left clamp according to an embodiment of the present invention;
FIG. 5 is a schematic view of a position structure of the fine adjustment assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of the second motorized clasping jaw according to an embodiment of the present invention;
FIG. 7 is a schematic view of the internal structure of the fine tuning assembly according to the embodiment of the invention;
FIG. 8 is a schematic view of a welding assembly according to an embodiment of the present invention;
FIG. 9 is a schematic view of a first view of the mounting plate according to an embodiment of the present invention;
FIG. 10 is a schematic view of a second view of the mounting plate according to an embodiment of the present invention;
FIG. 11 is an enlarged schematic view of the structure of FIG. 10A according to an embodiment of the present invention;
FIG. 12 is a schematic view of a third view of the mounting plate according to an embodiment of the present invention;
FIG. 13 is an enlarged schematic view of the structure of B in FIG. 12 according to an embodiment of the present invention;
FIG. 14 is a schematic view of the sanding assembly of an embodiment of the present invention;
Fig. 15 is an enlarged view of the structure of C in fig. 14 according to an embodiment of the present invention.
Marked in the figure as:
1. Base, 2, right clamp, 201, right runner, 202, first electric jaw, 203, hydraulic rod, 3, left clamp, 4, welding assembly, 5, grinding assembly, 501, first transverse electric drive rod, 502, first electric telescopic rod, 503, first electric slide rail, 504, first slide block, 505, vertical plate, 506, side support, 507, grinding wheel, 508, driving motor, 6, side plate, 601, first servo motor, 7, left runner, 701, second servo motor, 8, rotating rod, 9, fine adjustment assembly, 901, plate body, 902, first lead screw, 903, first motor, 904, sliding block, 905, second lead screw, 906, connecting plate, second motor, 10, second electric jaw, 11, second transverse electric drive rod, 1101, second electric telescopic rod, 12, second electric slide rail, 13, second slide block, 14, mounting plate, 15, 16, first guide rod, 1601, first guide rod, 17, second guide rod, 1, second guide wheel, 18, second guide rod, 18, laser receiver, 21, 20, light receiver, 20, light transmitter, 23, end cap, 25.
Detailed Description
The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1,2,3, 4, 5,6, 7, 8, 9, 10, 11, 12, 13, 14 and 15, a welding device for processing an outer cylinder of an automobile shock absorber comprises a base 1, wherein one end of the base 1 is provided with a left clamp 3 for clamping the outer cylinder, and the other end is provided with a right clamp 2 for clamping an end cover 19;
The butt joint detection assembly comprises a first guide rod 16 and a second guide rod 17 which are symmetrically arranged on two sides of a welding gun 15, wherein the first guide rod 16 is arranged through a mounting plate 14 in a sliding mode, one end, close to a left clamp 3, of the first guide rod is provided with a first guide wheel 1601, the other end of the first guide rod is fixedly provided with a limiting plate 18, a threaded rod 21 is connected to the limiting plate 18 in a threaded mode, one end of the threaded rod 21 is rotatably connected with the mounting plate 14, the other end of the threaded rod is provided with an end cap, the second guide rod 17 is arranged through the mounting plate 14 in a sliding mode, the limiting plate 18 is arranged through the second guide rod 17 in a sliding mode, one end, close to the left clamp 3, of the second guide wheel 1701, an end cover 19 is arranged between the end cover 19 and the limiting plate 18, a laser receiver 23 is arranged on the first guide wheel 1601, the second guide wheel 1701 is provided with a laser receiver 22 used for receiving optical signals sent by the laser receiver 23, the laser receiver 23 and the laser receiver 22 are communicated with an external control system, the external control system judges the butt joint precision of the outer cylinder end through optical signals transmitted by the laser receiver 23 and the laser receiver 22, and when the butt joint detection assembly detects that the butt joint precision of the outer cylinder and the cylinder end is poor, the butt joint detection assembly adjusts the position of the left clamp 3 so as to adjust the butt joint position of the outer cylinder end.
In the embodiment, a worker clamps the outer cylinder of the shock absorber on the left clamp 3, clamps the cylinder end on the right clamp 2, and enables the outer cylinder to be in butt joint with the cylinder end after clamping;
The operator adjusts the position of the limiting plate 18 by rotating the screw on the end cap through the butt joint detection assembly, so as to change the extending length of the first guide rod 16 from the mounting plate 14, thus flexibly adjusting the distance between the gun head of the welding gun 15 and the welding seam according to specific welding requirements to achieve the optimal welding effect;
Before welding, the left clamp 3 and the right clamp 2 will first drive the clamped outer cylinder and cylinder end to slowly rotate for one circle, in this process, if the butt joint precision of the outer cylinder and cylinder end is high, the first guide rod 16 and the second guide rod 17 will always keep on the same horizontal line when moving along the surfaces of the two, the laser signal sent upwards by the laser transmitter 23 received by the laser receiver 22 will keep constant, otherwise, if the butt joint precision is insufficient, the laser signal received by the laser receiver 22 will shift, which indicates that there is an alignment error;
When the butt joint precision of the outer cylinder and the cylinder end is detected to be poor, the external control system adjusts the position of the left clamp 3, so that the butt joint position of the outer cylinder and the cylinder end is corrected, the offset is eliminated, the butt joint precision of the outer cylinder and the cylinder end is ensured, and the welding effect is ensured.
Preferably, the driving part comprises a second transverse electric driving rod 11, one end of the second transverse electric driving rod 11 is connected with one side surface of the base 1, the other end of the second transverse electric driving rod is fixedly connected with a second electric telescopic rod 1101, the second electric telescopic rod 1101 is transversely arranged with the second transverse electric driving rod 11, the top of the second electric telescopic rod 1101 is connected with a second electric sliding rail 12, a second sliding block 13 is slidably arranged on the second electric sliding rail 12, the second electric sliding rail 12 can drive the second sliding block 13 to slide, and the bottom of the second sliding block 13 is connected with the top of the mounting plate 14;
The second transverse electric driving rod 11 can drive the welding gun 15 to longitudinally move in the horizontal direction, the second electric telescopic rod 1101 can drive the welding gun 15 to longitudinally move in the vertical direction, the second electric sliding rail 12 can drive the welding gun 15 to transversely move in the horizontal direction, the welding gun 15 can be driven by the driving part to realize multidirectional movement, and therefore the welding gun 15 can be ensured to move to a welding seam for welding.
Preferably, the right clamp 2 comprises a hydraulic rod 203, the hydraulic rod 203 is arranged on the base 1, a right rotating wheel 201 is rotatably arranged at the driving end of the hydraulic rod 203, two groups of first electric clamping jaws 202 are symmetrically arranged on the right rotating wheel 201, and the two groups of first electric clamping jaws 202 are respectively and rotatably connected with the right rotating wheel 201;
The left clamp 3 comprises a side plate 6, a left rotating wheel 7 is rotatably arranged on one side surface of the side plate 6, a first servo motor 601 for driving the left rotating wheel 7 to rotate is arranged on the side plate 6, two groups of rotating rods 8 are symmetrically arranged on the left rotating wheel 7 in a rotating mode, two groups of second servo motors 701 for driving the two groups of rotating rods 8 to rotate are arranged on the left rotating wheel 7, and a second electric clamping jaw 10 is arranged at one end, far away from the left rotating wheel 7, of the rotating rod 8;
A transmission rod 25 is fixedly connected to the right rotating wheel 201, and the other end of the transmission rod 25 penetrates through the left rotating wheel 7 and is exposed outwards;
The transmission rod 25 enables the left rotating wheel 7 and the right rotating wheel 201 to synchronously rotate, two groups of first electric clamping jaws 202 and two groups of second electric clamping jaws 10 are symmetrically arranged to form two groups of clamping stations, a station close to one side of the welding assembly 4 is a welding station, and a station close to one side of the polishing assembly 5 is a polishing station;
When the workpiece on the welding station is finished in the welding process, and the workpiece on the polishing station is finished in the polishing process, firstly, two groups of first electric clamping jaws 202 are controlled to release the respectively clamped finished workpiece, then the right rotating wheel 201 is restored to the initial position by adjusting the hydraulic rod 203, after the right rotating wheel 201 is reset, the second electric clamping jaw 10 on the polishing station is further controlled to release the clamping of the polished workpiece, at the moment, a worker can conveniently remove the polished workpiece from the polishing station, next, the worker independently controls the first electric clamping jaw 202 and the second electric clamping jaw 10 on the polishing station to clamp the next group of outer cylinder and cylinder end to be polished, after ensuring the clamping is stable, the position of the right rotating wheel 201 is adjusted again by controlling the hydraulic rod 203, so that the outer cylinder and the cylinder end are accurately butted, and at the same time, the second electric clamping jaw 10 on the welding station clamps the workpiece again, so that the workpiece on the station is ready for subsequent welding or carrying.
Then, the workpiece just welded is stably transferred to a polishing station by controlling the first servo motor 601 to drive the left rotating wheel 7 to rotate to prepare for the polishing process, and the newly placed workpiece to be polished is moved to the welding station to start a new welding process
Preferably, the rotating rod 8 is also provided with a fine adjustment assembly 9 for adjusting the position of the second electric clamping jaw 10;
The fine adjustment assembly 9 comprises a plate body 901 with a grooved side surface, wherein the plate body 901 is fixedly connected with a rotating rod 8, a first screw rod 902 is rotatably arranged between two side surfaces of the grooved inner wall of the plate body 901, a first motor 903 for driving the first screw rod 902 to rotate is arranged on the plate body 901, a sliding block 904 is in threaded connection with the first screw rod 902, the sliding block 904 is tightly attached to the grooved inner wall of the plate body 901, a second screw rod 905 is rotatably arranged at the bottom of the sliding block 904, the other end of the second screw rod 905 is slidably arranged at the bottom of the grooved side of the plate body 901, a sliding groove is specifically formed in the grooved bottom of the plate body 901, the other end of the second screw rod 905 is inserted into the sliding groove and is attached to two side walls of the sliding groove, shaking of the second screw rod 905 generated during movement is reduced, the second screw rod 905 can rotate in the sliding groove, a connecting plate 906 is arranged on the top of the sliding block 904, one side surface of the connecting plate 906 is in threaded connection with the second screw rod 905, and the other side surface of the connecting plate 906 is connected with a second electric clamping jaw 10;
when the butt joint detection assembly detects that the butt joint precision of the outer barrel and the barrel end is poor, the laser transmitter 23 and the laser receiver 22 transmit deviation data to an external control system, the external control system receives the data and then sends working signals to the first motor 903 and the second motor 907 to drive the first screw 902 and the second screw 905 to rotate forward or reversely, and the second electric clamping jaw 10 is adjusted to move to drive the outer barrel to move so as to eliminate deviation, so that the accurate butt joint of the outer barrel and the barrel end is realized.
Preferably, the polishing assembly 5 comprises a first transverse electric driving rod 501, one end of the first transverse electric driving rod 501 is connected with one side surface of the base 1, the other end of the first transverse electric driving rod 501 is fixedly connected with a first electric telescopic rod 502, the first electric telescopic rod 502 is transversely arranged with the first transverse electric driving rod 501, the top of the first electric telescopic rod 502 is fixedly connected with a first electric sliding rail 503, a first sliding block 504 is connected to the first electric sliding rail 503, the first electric sliding rail 503 can drive the first sliding block 504 to slide, and a polishing part is arranged at the bottom of the first sliding block 504;
The polishing part comprises a vertical plate 505, the vertical plate 505 is fixedly arranged at the bottom of the first sliding block 504, two groups of side supports 506 are symmetrically arranged on one side surface of the vertical plate 505, which is close to the left clamp 3, polishing wheels 507 are rotatably arranged between the two groups of side supports 506, and a driving motor 508 for driving the polishing wheels 507 to rotate is arranged on the side support 506 positioned on the right side;
The first transverse electric driving rod 501 can drive the grinding wheel 507 to longitudinally move in the horizontal direction, the first electric sliding rail 503 can drive the grinding wheel 507 to transversely move in the horizontal direction, the first electric telescopic rod 502 can drive the grinding wheel 507 to vertically move, the grinding wheel 507 can be driven by the driving part to realize multidirectional movement, so that the grinding wheel 507 can be ensured to move to a welding seam for grinding, the driving motor 508 is started to drive the grinding wheel 507 to rotate, the rotating grinding wheel 507 can grind the welding seam, the surplus height of the welding seam is eliminated, and the welding effect is improved.
Preferably, a horizontal rod 24 is arranged between the first sliding block 504 and the second sliding block 13, so that the welding gun 15 and the grinding wheel 507 are always positioned on the same horizontal line, the using position of the grinding wheel 507 does not need to be adjusted again, and the using efficiency is improved.
It will be appreciated by persons skilled in the art that the foregoing discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the invention (including the claims) is limited to these examples, that combinations of technical features in the foregoing embodiments or in different embodiments may be implemented in any order and that many other variations of the different aspects of the invention as described above may exist within the spirit of the invention, and that they are not provided in detail for clarity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510324079.1A CN120038500B (en) | 2025-03-19 | 2025-03-19 | Welding device for machining outer cylinder of automobile shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510324079.1A CN120038500B (en) | 2025-03-19 | 2025-03-19 | Welding device for machining outer cylinder of automobile shock absorber |
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| CN120038500A true CN120038500A (en) | 2025-05-27 |
| CN120038500B CN120038500B (en) | 2025-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202510324079.1A Active CN120038500B (en) | 2025-03-19 | 2025-03-19 | Welding device for machining outer cylinder of automobile shock absorber |
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