CN115255797B - Welding fixture for automobile axle housing - Google Patents
Welding fixture for automobile axle housing Download PDFInfo
- Publication number
- CN115255797B CN115255797B CN202211056867.XA CN202211056867A CN115255797B CN 115255797 B CN115255797 B CN 115255797B CN 202211056867 A CN202211056867 A CN 202211056867A CN 115255797 B CN115255797 B CN 115255797B
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- Prior art keywords
- axle housing
- supporting block
- driving
- mounting seat
- linkage
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- 238000003466 welding Methods 0.000 title claims abstract description 33
- 230000007306 turnover Effects 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 20
- 238000009434 installation Methods 0.000 description 19
- 230000001174 ascending effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to the technical field of axle housing processing, and discloses a welding fixture for an automobile axle housing, which comprises a mounting plate, a supporting mechanism, a clamping mechanism and a turnover mechanism, wherein the supporting mechanism, the clamping mechanism and the turnover mechanism are arranged on the mounting plate; the supporting mechanism comprises a supporting block and a first driving assembly for driving the supporting block to ascend and descend, and an axle housing is placed on the supporting block; the clamping mechanism comprises two clamping plates arranged on two sides of the axle housing, the clamping plates are connected with a first linkage assembly, when the supporting block is in a low position, the two groups of clamping plates are matched with the supporting block to clamp the axle housing, and when the supporting block rises, the supporting block drives the clamping plates to loosen the axle housing through the first linkage assembly; the turnover mechanism is used for turning the axle housing 180 degrees, and the turnover mechanism can turn over the axle housing in the process of welding the axle housing, so that manual turnover is replaced, and the welding efficiency is improved.
Description
Technical Field
The invention relates to the technical field of axle housing production and processing, in particular to a welding fixture for an automobile axle housing.
Background
In the process of producing the automobile axle housing, firstly half of the axle housing is produced, then two half of the axle housings are fixed together, an operator performs primary welding on the axle housing, the two half of the axle housings are primarily fixed to form a semi-finished axle housing, then the semi-finished axle housing is fixed to a special welding tool, the axle housing is comprehensively welded through a welding mechanical arm, in the welding process, after one side of the axle housing is welded by the welding mechanical arm, the operator needs to contact and lock the axle housing, then the axle housing is turned over for 180 degrees, then the axle housing is fixed, and then the welding mechanical arm is started again to weld the axle housing.
Disclosure of Invention
The invention aims to provide a welding tool for an automobile axle housing, which has the effect of being capable of turning over the axle housing in the process of welding the axle housing instead of manual turning over, thereby improving the welding efficiency.
The technical aim of the invention is realized by the following technical scheme: a welding tool for an automobile axle housing comprises a mounting plate, a supporting mechanism, a clamping mechanism and a turnover mechanism, wherein the supporting mechanism, the clamping mechanism and the turnover mechanism are arranged on the mounting plate;
the supporting mechanism comprises a supporting block and a first driving assembly for driving the supporting block to ascend and descend, and an axle housing is placed on the supporting block;
the clamping mechanism comprises two clamping plates arranged on two sides of the axle housing, the clamping plates are connected with a first linkage assembly, when the supporting block is in a low position, the two groups of clamping plates are matched with the supporting block to clamp the axle housing, and when the supporting block rises, the supporting block drives the clamping plates to loosen the axle housing through the first linkage assembly;
the turnover mechanism comprises mounting seats arranged on two sides of the axle housing and comprising an upper mounting seat and a lower mounting seat, the lower mounting seat is in sliding connection with the mounting plate, the upper mounting seat is arranged above the lower mounting seat in a sliding manner, the upper mounting seat is rotationally connected with a mounting rod, one end of the mounting rod, which is close to the axle housing, is circumferentially provided with a plurality of push rods along the axis of the mounting rod, the push rods are in sliding connection with the mounting rod, an adjusting disc is coaxially arranged in the mounting rod, the adjusting disc can push the push rods to slide out of the outer side wall of the mounting rod when rotating, and the adjusting disc is connected with a second driving assembly for driving the adjusting disc to rotate;
the upper mounting seat is connected with a driving assembly III, and the driving assembly III drives the upper mounting seat to slide in a reciprocating manner;
a second linkage assembly is connected between the lower mounting seat and the supporting block, and the lower mounting seat is driven by the second linkage assembly to slide towards one side of the axle housing when the supporting block ascends;
the lower mounting seat is connected with a reset assembly.
As a further aspect of the invention, the first linkage assembly comprises a connecting frame fixedly connected with each clamping plate and a supporting frame fixedly connected with the mounting plate, the connecting frame is hinged with the connecting frame, a linkage gear is coaxially arranged at the hinged part of the connecting frame and the supporting frame, a linkage rack is fixedly arranged on the supporting block, the linkage rack is vertically arranged, and the linkage rack is meshed with the two groups of linkage gears.
Through adopting above-mentioned technical scheme, when the supporting shoe risees, can drive the interlock rack motion, the interlock rack then drives the interlock gear on both sides and rotates, drive the link swing when the interlock gear rotates, thereby make the grip block that is connected with the link loosen the axle housing, when the supporting shoe descends, then drive interlock rack downstream, the interlock rack drives the reverse rotation of interlock gear, thereby make the link reverse swing, make the grip block be close to the axle housing and press from both sides it tightly, when the supporting shoe is in the high position, the grip block loosens the axle housing, can conveniently overturn the axle housing this moment, after the axle housing welding is accomplished, the axle housing that is located the high position also conveniently changes.
As a further aspect of the invention, the adjusting disk comprises a disk body and a convex part integrally formed with the disk body, the outer side wall of the convex part is arc-shaped, the distance from the outer side wall of the convex part to the center of the disk body is gradually reduced, and the end part of the push rod is propped against the convex part.
Through adopting above-mentioned technical scheme, the pivoted in-process of regulating disk, the convex part of regulating disk can constantly extrude the push rod for the surface of push rod roll-off installation pole when the one end that the push rod was installed to the installation pole stretches into in the axle housing tip, stretches out the push rod on installation pole surface can offset with the inside wall of axle housing tip, because the frictional force of push rod and axle housing inside wall is great, when the installation pole takes place to rotate, can drive the axle housing and take place to rotate together.
As a further aspect of the invention, the second driving component comprises a rotating shaft coaxially and rotatably connected with the mounting rod, one end of the rotating shaft is fixedly connected with the adjusting disk, the rotating shaft is coaxially and fixedly connected with a driving gear, the driving gear is in meshed connection with a straight rack, the straight rack is connected with a driving cylinder, and the driving cylinder is fixedly connected with the upper mounting seat.
Through adopting above-mentioned technical scheme, when the actuating cylinder extends, drive straight rack motion, in the earlier stage part of straight rack motion, straight rack moves drive gear and rotates, drive gear drives the pivot and rotates, the pivot drives the regulating plate and rotates, when the regulating plate rotated, promote the push rod roll-off installation pole the surface and with the inside counterbalance of axle housing, in the later stage part of straight rack motion, because the push rod receives the restriction of axle housing inside wall can't continue to stretch out, and there is great static friction between push rod and the axle housing inside wall, when straight rack continued to move, drive gear can't drive the regulating plate and rotate, thereby drive whole installation pole and rotate, when the installation pole rotated, drive the axle housing through the push rod and rotate, through setting up the length of straight rack, can make the axle housing rotate 180, make the axle housing accomplish the upset.
As a further aspect of the present invention, the third driving assembly includes a pushing cylinder fixedly connected to the lower mounting seat, a working end of the pushing cylinder is fixedly connected to the upper mounting seat, and a working end of the pushing cylinder is parallel to an axis of the axle housing.
Through adopting above-mentioned technical scheme, when the supporting shoe is in the high position, through the effect of interlock subassembly two, the axis of installation pole and axle housing coincidence this moment, then promote the cylinder extension, promote the mount pad and slide, go up the mount pad and drive the one end that the installation pole was provided with the push rod and stretch into inside the axle housing, provide the condition for the axle housing of follow-up upset.
As a further aspect of the invention, the return assembly comprises a return spring, the return spring is arranged on one side of the lower mounting seat away from the axle housing, one end of the return spring is connected with the lower mounting seat, and the other end of the return spring is connected with the mounting plate.
Through adopting above-mentioned technical scheme, when the supporting shoe descends, under reset spring's effect, the mount pad can slide and keep away from the axle housing gradually, and when the supporting shoe was in the low level, the grip block was pressed from both sides the axle housing tightly, and welding robotic arm can weld the axle housing this moment, and the mount pad and the mount bar on it keep away from the axle housing, can give welding robotic arm and give rise to bigger welding space, avoid the unexpected emergence of collision when welding.
As a further aspect of the invention, the second linkage assembly comprises a pulley fixedly connected with the mounting plate, a connecting rope is wound on the pulley, one end of the connecting rope is connected with the supporting block, and the other end of the connecting rope is connected with the lower mounting seat.
Through adopting above-mentioned technical scheme, the supporting shoe can stimulate the connecting cable in the in-process that rises, and the connecting cable then pulls the mount pad for the mount pad is close to the axle housing tip at the in-process that the supporting shoe risees gradually, and when the supporting shoe risees to the high position, the mount pad that is located the axle housing both sides slides to the very near position of axle housing, can start the promotion cylinder this moment, makes the one end of installation pole stretch into in the axle housing, prepares to overturn the axle housing.
As a further aspect of the invention, the first driving assembly comprises a hydraulic cylinder which is vertically arranged, the hydraulic cylinder is fixedly connected with the mounting plate, and the working end of the hydraulic cylinder is fixedly connected with the supporting block.
As a further aspect of the invention, the support block is provided with a V-shaped placing groove, and the side wall of the placing groove is provided with a rotating rod in a rotating way.
Through adopting above-mentioned technical scheme, set up the bull stick in the standing groove, can make things convenient for the axle housing to rotate.
The beneficial effects of the invention are as follows:
in operation, the hydraulic cylinder is controlled to lift the supporting block to place the axle housing in the placement groove of the supporting block, then the hydraulic cylinder is controlled to drive the supporting block to descend, the supporting block drives the linkage rack to move downwards in the descending process, meanwhile, the linkage rack drives the linkage gear to rotate, the linkage gear drives the connecting frame to swing when in rotation, the connecting frame drives the clamping plate to approach the axle housing to clamp the axle housing finally, the clamping action is completed, the external welding mechanical arm can be started to weld the axle housing at the moment, when one surface of the axle housing is welded, the hydraulic cylinder is controlled to drive the supporting block to lift, the supporting block drives the linkage rack to move upwards in the ascending process, the linkage rack drives the driving gear to rotate, the connecting frame swings, the clamping plate is driven to be far away from the axle housing to relax the axle housing in the ascending process, meanwhile, the connecting cable is also pulled in the ascending process, the connecting cable pulls the mounting seats on two sides of the axle housing through the pulleys, when the connecting frame swings, the mounting rod on the mounting seat is pushed to be coincident with the axle housing, when the axis of the mounting block is pushed to the axle housing, when the mounting rod on the mounting seat is pushed to be pushed to the highest, the axis of the mounting plate is pushed to be coincident with the axis of the axle housing, the driving cylinder is pushed to drive the driving gear to rotate, the driving cylinder is driven to rotate, the driving gear is driven to rotate continuously, and the rotating shaft is driven to rotate, and the rotating cylinder is driven to rotate the rotating cylinder is arranged to rotate continuously, and the rotating cylinder is driven to rotate the rotating cylinder to rotate, and the rotating cylinder is able to rotate the driving cylinder to rotate, and the driving gear to rotate. At this moment, the driving gear can drive the installation pole to wholly rotate, the installation pole on both sides of the axle housing then drives the axle housing through the effect of push rod to make the axle housing accomplish 180 turn over, after the turn over is accomplished, control the shrink of driving cylinder, driving cylinder work end drives straight rack motion, straight tooth strip moves the driving gear and rotates, the in-process of driving gear reverse rotation, drive pivot and regulating plate reverse rotation, when the regulating plate reverse rotation, because the convex part is not continuing to extrude the push rod, make the push rod not being in the extrusion with the axle housing inner wall, thereby make installation pole and axle housing contact connection, after the shrink of driving cylinder is accomplished, control again and promote the cylinder shrink, drive and go up the installation slip, make the installation pole shift out the axle housing, then control the shrink of pneumatic cylinder again, drive supporting shoe descends, the in-process of descending, the grip block is tight again with the axle housing, and the in-process that the supporting shoe descends, the connecting cable is relaxed, under reset spring's effect, the mount pad is kept away from the axle housing gradually, thereby make room for the axle housing welding, clamping and upset has been realized through above-mentioned steps, the welding efficiency has been greatly increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic view of a part of the structure of the present embodiment on one side of the axle housing;
FIG. 3 is a schematic diagram of a second linkage assembly of the present embodiment;
FIG. 4 is a schematic structural diagram of a first linkage assembly according to the present embodiment;
FIG. 5 is a schematic diagram of a driving assembly II according to the present embodiment;
in the figure, 1, a mounting plate, 2, a supporting mechanism, 21, a supporting block, 211, a placing groove, 212, a rotating rod, 22, a first driving component, 221, a hydraulic cylinder, 3, a clamping mechanism, 31, a clamping plate, 32, a first linkage component, 321, a connecting frame, 322, a supporting frame, 323, a linkage gear, 324, a linkage rack, 4, a turnover mechanism, 41, a mounting seat, 411, an upper mounting seat, 412, a lower mounting seat, 42, a mounting rod, 43, a push rod, 44, a regulating disc, 441, a disc body, 442, a convex part, 45, a second driving component, 451, a rotating shaft, 452, a driving gear, 453, a straight rack, 454, a driving cylinder, 46, a third driving component, 461, a pushing cylinder, 5, a second linkage component, 51, a pulley, 52, a connecting cable, 6, a reset component, 61 and a reset spring.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Examples
A welding tool for an automobile axle housing comprises a mounting plate 1, a supporting mechanism 2, a clamping mechanism 3, a turnover mechanism 4 and a reset assembly 6, wherein the supporting mechanism 2, the clamping mechanism 3, the turnover mechanism 4 and the reset assembly 6 are arranged on the mounting plate 1;
the supporting mechanism 2 comprises a supporting block 21 and a first driving component 22 for driving the supporting block 21 to ascend and descend, an axle housing is placed on the supporting block 21, in the embodiment, the supporting block 21 consists of two blocks arranged at intervals, a V-shaped placing groove 211 is formed in the upper end of the supporting block 21, a rotating rod 212 is rotatably arranged on the side wall of the placing groove 211, two ends of the axle housing are placed in the placing grooves 211 of the two blocks, and the rotating rod 212 is arranged to facilitate the subsequent rotation of the axle housing; the first driving component 22 is a hydraulic cylinder 221, the hydraulic cylinder 221 can provide enough thrust to ensure stable ascending and descending of the supporting block 21 and the axle housing, and can also control ascending and descending speeds, and the ascending and descending speeds are adjusted according to actual conditions to ensure that the axle housing is more stable; in order to make the supporting block 21 more stable, can set up vertical gag lever post on mounting panel 1 and make supporting block 21 and gag lever post sliding connection, further guarantee the stability of supporting block 21 rise and fall.
The clamping mechanism 3 comprises two clamping plates 31 arranged on two sides of the axle housing, the clamping plates 31 are connected with a first linkage assembly 32, when the supporting block 21 is in a low position, the two groups of clamping plates 31 are matched with the supporting block 21 to clamp the axle housing, and when the supporting block 21 ascends, the supporting block 21 drives the clamping plates 31 to loosen the axle housing through the first linkage assembly 32; in this embodiment, the first linkage assembly 32 includes a connecting frame 321 fixedly connected to each clamping plate 31, a supporting frame 322 fixedly connected to the mounting plate 1, the connecting frame 321 is hinged to the connecting frame 321, a linkage gear 323 is coaxially disposed at a hinge portion of the connecting frame 321 and the supporting frame 322, a linkage rack 324 is fixedly disposed on the supporting block 21, the linkage rack 324 is vertically disposed, the linkage rack 324 is meshed with two sets of linkage gears 323, when the supporting block 21 rises, the linkage rack 324 is driven to move, the linkage rack 324 drives the two sides of the linkage gears 323 to rotate, the linkage gear 323 drives the connecting frame 321 to swing when rotating, so that the clamping plate 31 connected to the connecting frame 321 loosens the axle housing, when the supporting block 21 falls, the linkage rack 324 drives the linkage gear 323 to reversely rotate, so that the connecting frame 321 reversely swings, the clamping plate 31 approaches to the axle housing and clamps the axle housing, when the supporting block 21 is in a high position, the clamping plate 31 loosens the housing, and the axle housing can be conveniently turned over, and after the axle housing is welded, the axle housing in the high position is also conveniently replaced.
The turnover mechanism 4 comprises mounting seats 41 arranged on the mounting plate 1 and positioned on two sides of the axle housing, the mounting seats 41 comprise an upper mounting seat 411 and a lower mounting seat 412, the lower mounting seat 412 is in sliding connection with the mounting plate 1, the upper mounting seat 411 is arranged above the lower mounting seat 412 in a sliding manner, the upper mounting seat 411 is rotationally connected with a mounting rod 42, one end of the mounting rod 42, which is close to the axle housing, is circumferentially provided with a plurality of push rods 43 along the axis of the mounting rod 42, the plurality of push rods 43 are in sliding connection with the mounting rod 42, an adjusting disc 44 is coaxially arranged inside the mounting rod 42, the adjusting disc 44 can push the push rods 43 to slide out of the outer side walls of the mounting rod 42 when rotating, in the embodiment, the adjusting disc 44 comprises a disc body 441 and a convex portion 442 integrally formed with the disc body 441, the outer side walls of the convex portion 442 are arc-shaped with gradually reduced distance from the center of the disc body 441, the end of the push rod 43 is propped against the convex portion 442, the push rod 43 can be pushed to slide by the rotation of the adjusting disc 44, in order to enable the push rod 43 to reset better, a spring is sleeved in the installation rod 42 of the push rod 43, when the push rod 43 is not affected by external force through the action of the spring, the push rod 43 is ensured not to extend out of the installation rod 42, the adjusting disc 44 is connected with a second driving assembly 45 for driving the push rod to rotate, the second driving assembly 45 comprises a rotating shaft 451 which is coaxially and rotatably connected with the installation rod 42, one end of the rotating shaft 451 is fixedly connected with the adjusting disc 44, the rotating shaft 451 is coaxially and fixedly connected with a driving gear 452, the driving gear 452 is meshed and connected with a straight toothed bar 453, the straight toothed bar 453 is connected with a driving cylinder 454, and the driving cylinder 454 is fixedly connected with the upper installation seat 411; the upper mounting seat 411 is connected with a driving assembly III 46, the driving assembly III 46 drives the upper mounting seat 411 to slide in a reciprocating manner, the driving assembly III 46 comprises a pushing air cylinder 461 fixedly connected with the lower mounting seat 412, the working end of the pushing air cylinder 461 is fixedly connected with the upper mounting seat 411, and the working end of the pushing air cylinder 461 is parallel to the axis of the axle housing; the lower mounting seat 412 is connected with a reset assembly 6, the reset assembly 6 comprises a reset spring 61, the reset spring 61 is arranged on one side of the lower mounting seat 412 away from the axle housing, one end of the reset spring 61 is connected with the lower mounting seat 412, and the other end is connected with the mounting plate 1;
the lower mounting seat 412 and the supporting block 21 are connected with a second linkage assembly 5, when the supporting block 21 ascends, the second linkage assembly 5 drives the lower mounting seat 412 to slide towards one side of the axle housing, the second linkage assembly 5 comprises a pulley 51 fixedly connected with the mounting plate 1, a connecting rope 52 is wound on the pulley 51, one end of the connecting rope 52 is connected with the supporting block 21, and the other end is connected with the lower mounting seat 412.
The working principle of this embodiment is as follows:
when in operation, the hydraulic cylinder 221 is controlled to lift the supporting block 21, the axle housing is placed in the placing groove 211 of the supporting block 21, then the hydraulic cylinder 221 is controlled to drive the supporting block 21 to descend, the supporting block 21 drives the linkage rack 324 to move downwards in the descending process, the linkage rack 324 drives the linkage gear 323 to rotate, the linkage gear 323 drives the connecting frame 321 to swing, the clamping plate 31 is driven to approach the axle housing to clamp the axle housing finally when the connecting frame 321 swings, the clamping action is completed, an external welding mechanical arm can be started to weld the axle housing, when one side of the axle housing is welded, the hydraulic cylinder 221 is controlled to drive the supporting block 21 to lift, the supporting block 21 is driven to move upwards in the lifting process, the linkage rack 324 drives the driving gear to rotate, the connecting frame 321 is driven to swing when the linkage gear 323 rotates, the connecting frame 321 drives the clamping plate 31 to be far away from the axle housing to loosen the axle housing when swinging, meanwhile, the supporting block 21 pulls the connecting cable 52 in the rising process, the connecting cable 52 pulls the mounting seats through the pulleys 51, so that the mounting seats at two sides of the axle housing gradually get close to the axle housing, when the supporting block 21 moves to the highest position, the axis of the mounting rod 42 on the mounting seat coincides with the axis of the axle housing, at the moment, the pushing cylinder 461 is controlled to stretch, the upper mounting seat 411 of the pushing cylinder 461 is electrically slid towards the axle housing, one end of the mounting rod 42 provided with the push rod 43 stretches into the axle housing, then the driving cylinder 454 is controlled to stretch, the working end of the driving cylinder 454 drives the straight rack 453 to move, the straight rack 453 drives the driving gear 452 to rotate, the driving gear 451 rotates when the driving gear 452 rotates in the earlier stage of the movement of the straight rack 453, the rotating shaft 451 drives the rotating shaft 451, the adjusting disc 44 rotates, and the adjusting disc 44 rotates, the convex part 442 on the adjusting disc 44 pushes the push rod 43 to slide out and prop against the inner wall of the axle housing, at this time, when the straight rack 453 continues to move, because the push rod 43 cannot continue to slide, the adjusting disc 44 and the rotating shaft 451 cannot continue to rotate, at this time, the driving gear 452 drives the mounting rod 42 to rotate integrally, the mounting rods 42 on two sides of the axle housing drive the axle housing to rotate through the action of the push rod 43, so that the axle housing completes 180 DEG turn-over, after the turn-over is completed, the driving cylinder 454 is controlled to shrink, the working end of the driving cylinder 454 drives the straight rack 453 to move, the straight rack 453 drives the driving gear 452 to rotate, in the process of reversely rotating the driving gear 452, the rotating shaft 451 and the adjusting disc 44 are driven to reversely rotate, and when the adjusting disc 44 reversely rotates, because the protrusion 442 is not continuously extruding the push rod 43, the push rod 43 is not extruded with the inner wall of the axle housing, so that the mounting rod 42 is contacted with the axle housing, after the shrinkage of the driving cylinder 454 is completed, the driving cylinder 461 is controlled to shrink, the upper mounting is driven to slide, the mounting rod 42 is moved out of the axle housing, then the hydraulic cylinder 221 is controlled to shrink, the supporting block 21 is driven to descend, in the descending process, the clamping plate 31 clamps the axle housing again, in the descending process of the supporting block 21, the connecting cable 52 is loosened, the mounting seat is gradually far away from the axle housing under the action of the reset spring 61, so that space is reserved for welding the axle housing, the clamping and overturning of the axle housing are realized through the steps, the manual work is replaced, and the welding efficiency is greatly increased.
Claims (5)
1. Welding frock of car axle housing, its characterized in that: comprises a mounting plate (1), a supporting mechanism (2) arranged on the mounting plate (1), a clamping mechanism (3) and a turnover mechanism (4);
the supporting mechanism (2) comprises a supporting block (21) and a first driving assembly (22) for driving the supporting block (21) to ascend and descend, and an axle housing is placed on the supporting block (21);
the clamping mechanism (3) comprises two clamping plates (31) arranged on two sides of the axle housing, the clamping plates (31) are connected with a first linkage assembly (32), when the supporting block (21) is in a low position, the two groups of clamping plates (31) are matched with the supporting block (21) to clamp the axle housing, and when the supporting block (21) ascends, the supporting block (21) drives the clamping plates (31) to loosen the axle housing through the first linkage assembly (32); the first linkage assembly (32) comprises a connecting frame (321) fixedly connected with each clamping plate (31) and a supporting frame (322) fixedly connected with the mounting plate (1), the connecting frame (321) is hinged with the connecting frame (321), a linkage gear (323) is coaxially arranged at the hinged part of the connecting frame (321) and the supporting frame (322), a linkage rack (324) is fixedly arranged on the supporting block (21), the linkage rack (324) is vertically arranged, and the linkage rack (324) is meshed with the two groups of linkage gears (323);
the turnover mechanism (4) comprises mounting seats (41) arranged on the mounting plate (1) and positioned on two sides of the axle housing, the mounting seats (41) comprise upper mounting seats (411) and lower mounting seats (412), the lower mounting seats (412) are slidably connected with the mounting plate (1), the upper mounting seats (411) are slidably arranged above the lower mounting seats (412), mounting rods (42) are rotatably connected to the upper mounting seats (411), a plurality of push rods (43) are circumferentially arranged at one ends, close to the axle housing, of the mounting rods (42) along the axis of the mounting rods (42), the push rods (43) are slidably connected with the mounting rods (42), regulating discs (44) are coaxially arranged inside the mounting rods (42), and when the regulating discs (44) rotate, the push rods (43) can be pushed to slide out of the outer side walls of the mounting rods (42), and the regulating discs (44) are connected with driving assemblies II (45) for driving the regulating discs to rotate; the adjusting disc (44) comprises a disc body (441) and a convex part (442) which is integrally formed with the disc body (441), the outer side wall of the convex part (442) is in an arc shape with gradually reduced distance from the outer side wall to the center of the disc body (441), and the end part of the push rod (43) is propped against the convex part (442); the second driving assembly (45) comprises a rotating shaft (451) which is coaxially and rotatably connected with the mounting rod (42), one end of the rotating shaft (451) is fixedly connected with the adjusting disc (44), the rotating shaft (451) is coaxially and fixedly connected with a driving gear (452), the driving gear (452) is in meshed connection with a straight rack (453), the straight rack (453) is connected with a driving air cylinder (454), and the driving air cylinder (454) is fixedly connected with the upper mounting seat (411);
the upper mounting seat (411) is connected with a driving assembly III (46), and the driving assembly III (46) drives the upper mounting seat (411) to slide in a reciprocating manner;
a second linkage assembly (5) is connected between the lower mounting seat (412) and the supporting block (21), and the lower mounting seat (412) is driven to slide towards one side of the axle housing by the second linkage assembly (5) when the supporting block (21) ascends;
the lower mounting seat (412) is connected with a reset component (6); the reset assembly (6) comprises a reset spring (61), the reset spring (61) is arranged on one side, far away from the axle housing, of the lower mounting seat (412), one end of the reset spring (61) is connected with the lower mounting seat (412), and the other end of the reset spring is connected with the mounting plate (1).
2. The welding fixture of an automobile axle housing according to claim 1, wherein: the driving assembly III (46) comprises a pushing air cylinder (461) fixedly connected with the lower mounting seat (412), the working end of the pushing air cylinder (461) is fixedly connected with the upper mounting seat (411), and the working end of the pushing air cylinder (461) is parallel to the axis of the axle housing.
3. The welding fixture of an automobile axle housing according to claim 1, wherein: the second linkage assembly (5) comprises a pulley (51) fixedly connected with the mounting plate (1), a connecting rope (52) is wound on the pulley (51), one end of the connecting rope (52) is connected with the supporting block (21), and the other end of the connecting rope is connected with the lower mounting seat (412).
4. The welding fixture of an automobile axle housing according to claim 1, wherein: the first driving assembly (22) comprises a hydraulic cylinder (221) which is vertically arranged, the hydraulic cylinder (221) is fixedly connected with the mounting plate (1), and the working end of the hydraulic cylinder (221) is fixedly connected with the supporting block (21).
5. The welding fixture of an automobile axle housing according to claim 1, wherein: the support block (21) is provided with a V-shaped placing groove (211), and the side wall of the placing groove (211) is rotatably provided with a rotating rod (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211056867.XA CN115255797B (en) | 2022-08-31 | 2022-08-31 | Welding fixture for automobile axle housing |
Applications Claiming Priority (1)
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| CN115837549B (en) * | 2023-02-28 | 2023-05-05 | 山东明宇重工机械有限公司 | Axle housing welding device of loader drive axle |
| CN116175450B (en) * | 2023-04-25 | 2023-06-30 | 诸城市顺德机械有限责任公司 | Clamping tool for detecting automobile parts |
| CN116593087B (en) * | 2023-07-19 | 2023-09-08 | 羲和智能装备(山东)有限公司 | Leak detection device for automobile axle housing |
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