CN115609203A - Automobile wheel hub welding device - Google Patents
Automobile wheel hub welding device Download PDFInfo
- Publication number
- CN115609203A CN115609203A CN202211644298.0A CN202211644298A CN115609203A CN 115609203 A CN115609203 A CN 115609203A CN 202211644298 A CN202211644298 A CN 202211644298A CN 115609203 A CN115609203 A CN 115609203A
- Authority
- CN
- China
- Prior art keywords
- welding
- hub
- bearing
- air
- wheel hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
-
- 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
- B23K37/003—Cooling means
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The application relates to an automobile hub welding device which comprises a preheating conveying device, a carrying mechanical arm, a plurality of groups of welding assemblies and a post-heat conveying device, wherein the preheating conveying device, the carrying mechanical arm, the plurality of groups of welding assemblies and the post-heat conveying device are connected with a welding controller together; the multiple groups of welding assemblies respectively comprise a double-station bearing table and a welding manipulator; the double-station bearing table comprises a rotating base and a double-station support arm rotatably arranged on the rotating base, the double-station support arm comprises a cross rod and arc-shaped station support arms arranged at two ends of the cross rod, and the cross rod is connected with the output end of the rotating base; the top parts of the two double-station support arms are respectively provided with a bearing base for bearing the fixed hub, the bearing base comprises a driving motor and a bearing circular table for inserting the fixed hub, and the bearing circular table is coaxially connected with an output shaft of the driving motor. The multi-thread parallel welding processing is realized, heat preservation and temperature control can be carried out on the automobile hub, and the effect of effectively improving the welding quality of the automobile hub is achieved.
Description
Technical Field
The application relates to the field of automobile hub production and processing, in particular to an automobile hub welding device.
Background
The automobile hub is an important component of automobile parts, and along with the continuous development of automobile production, the automobile part industry has also grown up, so the hub industry has also gradually developed, the hub is the position of the wheel center for mounting an axle and is an important part for connecting a brake drum, a wheel disc and a half shaft, and the production of the hub is mainly carried out by stamping and welding.
Chinese patent publication No. CN111331272a discloses a hub welding production line, which comprises a press, a first roundness detection device, a welding machine and a second roundness detection device, wherein a first manipulator is arranged between the press and the first roundness detection device, a second manipulator is arranged between the first roundness detection device and the welding machine, and a third manipulator is arranged between the welding machine and the second roundness detection device. During this application production, put into the press with rim and spoke by the manual work, carry out the pressure equipment by the press, then shift the wheel hub that the pressure equipment was accomplished to first circularity detection device department through first manipulator and carry out the circularity and detect, if detect unqualifiedly then take out it, if detect qualified then shift it to the welding machine in with it by the second manipulator and carry out welded fastening, shift it to second circularity detection device by the third manipulator after the welding is accomplished and carry out the final inspection. Although this application adopts the production line of single chronogenesis to realize the demand of equipment welding, nevertheless when certain link equipment breaks down because of various factors, the whole production line is shut down easily appears, and the condition of material jam takes place, leads to the problem that wheel hub welding efficiency is low excessively easily. Meanwhile, when facing an automobile hub with higher carbon content, how to keep the welding quality of the automobile hub to change thermal cycle is solved, and the problem that cold cracks are generated at the welding position of the hub to be solved is solved
Aiming at the prior art, the existing automobile hub welding device is low in welding efficiency and high in downtime rate, and when facing an automobile hub with high carbon content, the cooling speed of the welded hub is too high, so that the cold cracks of the welding point of the automobile hub are easily caused to influence the welding quality.
Disclosure of Invention
In order to solve current automobile wheel hub welding set welding efficiency lower, the downtime is high, when facing the higher automobile wheel hub of carbon content, the postweld is because of automobile wheel hub cooling rate leads to the welding point to produce cold crack easily and influences welding quality's problem, this application provides an automobile wheel hub welding set.
In a first aspect, the application provides an automobile hub welding device, which adopts the following technical scheme:
a welding device for automobile hubs comprises a preheating conveying device for conveying hubs, a conveying manipulator for conveying the hubs, a plurality of groups of welding assemblies for welding the hubs and a post-heat conveying device for conveying the welded hubs, wherein the preheating conveying device, the conveying manipulator, the plurality of groups of welding assemblies and the post-heat conveying device are connected with a welding controller; the plurality of groups of welding assemblies are distributed along the circumferential direction of the carrying manipulator; the multiple groups of welding assemblies respectively comprise a double-station bearing table for placing automobile hubs and a welding manipulator for welding the automobile hubs; the double-station bearing table comprises a rotating base and a double-station support arm rotatably arranged on the rotating base, the double-station support arm comprises a cross rod and arc-shaped station support arms arranged at two ends of the cross rod, and the cross rod is connected with the output end of the rotating base; two the duplex position support arm top all installs the base that bears that is used for bearing fixed wheel hub, bear the base and include driving motor and the round platform that bears that is used for pegging graft fixed wheel hub, bear round platform and driving motor's output shaft coaxial coupling.
Preferably, bear the round platform top and be provided with a plurality of spacing telescopic links that are used for fixed automobile wheel hub along its circumference, it is a plurality of spacing telescopic link all radially sets up along bearing the round platform, and is a plurality of the piston rod tip of spacing telescopic link is the setting dorsad.
Preferably, a plurality of auxiliary telescopic rods are arranged at the bottom of the bearing circular truncated cone along the circumferential direction of the bearing circular truncated cone.
Preferably, the end portions of the piston rods of the plurality of limiting telescopic rods are provided with expanded threaded holes, and the end portions of the piston rods of the limiting telescopic rods are in threaded connection with limiting rods through the expanded threaded holes.
Preferably, the rear heat conveying device comprises a first roller conveyor for conveying welded hubs and a rear heat temperature control assembly for preserving heat of the hubs, the rear heat temperature control assembly comprises an annular rail, a plurality of annular traveling cranes which are slidably arranged on the annular rail, a heat preservation air hood which is arranged at the bottom of the annular traveling cranes and used for preserving heat and cooling the hubs, a high-temperature air source and a gas collection hood for collecting high-temperature gas, an electric hoist is arranged on the annular traveling crane, and a lifting end of the electric hoist is connected with the heat preservation air hood; the air outlet of the high-temperature air source is respectively connected with a plurality of heat-insulating air hoods, and an air electromagnetic valve is arranged between the high-temperature air source and the heat-insulating air hoods; the gas collection cover is funnel-shaped and is located first roller conveyor below, just the gas collection cover is connected with the turbine and collects the fan, the air intake and the gas collection of fan are collected to the turbine cover intercommunication, and the air outlet communicates with the air intake in high temperature wind regime.
Preferably, an air inlet pipe is arranged at the top of the heat-insulating air hood, a plurality of air nozzles for conveying high-temperature gas to the automobile hub are arranged in the heat-insulating air hood along the circumferential direction of the heat-insulating air hood, and the air nozzles are communicated with the air inlet pipe; the inner side wall of the heat preservation air cover is provided with a limiting air bag along the circumferential direction of the inner side wall, the limiting air bag is communicated with the air inlet pipe, and a micro electromagnetic valve is arranged between the limiting air bag and the air inlet pipe.
Preferably, the limiting air bag is externally wrapped with a high-temperature-resistant protective sleeve.
Preferably, the preheating conveying device comprises a heat preservation bin and a second roller conveyor penetrating through the heat preservation bin, and a hot air assembly and an electric heating assembly are arranged in the heat preservation bin.
Preferably, the transport manipulator includes the manipulator body and is used for centre gripping wheel hub's duplex position clamping jaw, the duplex position clamping jaw rotates and sets up at manipulator body output, the duplex position clamping jaw includes the mounting panel and is two electronic clamping jaws that pile up the setting on the mounting panel, mounting panel and manipulator body output fixed connection.
Preferably, the welding controller controls the preheating conveying device, the carrying manipulator, the plurality of groups of welding assemblies and the rear heat conveying device to weld the wheel hub, and the welding controller specifically comprises the following steps:
s1, placing the wheel hub to be welded after preheating on a preheating conveying device and conveying the wheel hub to a conveying manipulator;
s2, the welding controller controls the carrying manipulator to clamp the hub to be welded and carry the hub to the idle bearing circular truncated cone of the double-station bearing table;
s3, the welding controller controls the double-station bearing table to rotate so as to enable the bearing circular table bearing the hub to be welded to rotate to the welding manipulator;
s4, the welding controller controls the welding part of the welding manipulator to move to the position of the hub to be welded so as to weld the hub, and the synchronous control driving motor drives the bearing circular truncated cone to rotate to match with the welding manipulator for welding;
s5, judging whether idle bearing circular truncated cones exist on the plurality of double-station bearing tables, if so, skipping to the step S2, and if not, skipping to the step S6;
s6, the welding controller controls the carrying manipulator to clamp the hub to be welded from the preheating conveying device and carry the hub to the double-station bearing table, the carrying manipulator rotates to clamp the hub which is positioned on the bearing base and is welded, and then the clamped hub to be welded is placed on the bearing base in a turnover mode;
s7, the welding controller controls the carrying manipulator to carry the welded wheel hub to the first roller conveyor, the annular travelling crane is synchronously controlled to move to the position above the first roller conveyor along the annular track, the electric hoist is started to descend the heat preservation gas hood to be arranged on the welded wheel hub, the gas electromagnetic valve and the micro electromagnetic valve which are connected with the heat preservation gas hood are opened, the limiting air bag is inflated and expanded to abut against the wheel rim of the wheel hub, and meanwhile, the plurality of air nozzles spray high-temperature gas to the wheel hub;
s8, the annular travelling crane moves along with the first roller conveyor, and the heat preservation air hood continuously sprays air to the hub for heat preservation until the temperature is reduced;
s9, after the welding controller completes welding of the hub on the other bearing base of the double-station bearing table, the double-station bearing table is controlled to rotate to enable the bearing circular table bearing the hub to be welded to rotate to the welding manipulator, the welding controller controls the welding part of the welding manipulator to move to the position of the hub to be welded to weld the hub, and the synchronous control driving motor drives the bearing circular table to rotate to match with the welding manipulator to weld.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the preheating conveying device and the post-heating device, heat preservation and temperature control can be carried out on the automobile hub, so that the cooling speed of the welded hub is controlled, the thermal cycle and the internal structure at a welding point are improved, the deformation is reduced, the residual stress is eliminated, the release of hydrogen in welding metal is facilitated, cold cracks are prevented, and the effect of effectively improving the welding quality of the automobile hub is achieved;
2. through the arrangement of the plurality of groups of welding assemblies, the double-station bearing table can simultaneously accommodate two hubs so as to realize continuous and uninterrupted welding processing, the welding efficiency of the hubs can be effectively improved, in addition, the plurality of groups of welding assemblies are mutually matched to realize multi-thread parallel welding processing, even if one device fails due to various accidental factors, the welding efficiency of the hubs can be still maintained, the phenomenon that the whole production line is down is avoided, and the effect of effectively improving the welding efficiency and the welding quality of the hubs is achieved;
3. the welding controller controls the carrying manipulator to carry the welded wheel hub to the first roller conveyor, the annular travelling crane is synchronously controlled to move to the position above the first roller conveyor along the annular track to start the electric hoist to descend the heat-preservation gas hood to cover the welded wheel hub, a gas electromagnetic valve and a micro electromagnetic valve which are connected with the heat-preservation gas hood are opened, the limiting air bag is inflated and expanded to abut against the wheel rim of the wheel hub, and meanwhile, a plurality of air nozzles spray high-temperature gas to the wheel hub, so that the welded wheel hub can be effectively insulated, hydrogen in metal can escape, and cold cracks are prevented;
4. the arrangement of the heat preservation air cover can effectively construct a small-volume heat preservation cavity, further reduce the energy consumption of heat preservation control cooling speed of the wheel hub while preserving the heat of the wheel hub, and the arrangement of the limiting air bag limits the wheel hub on one hand, improves the combination degree of the wheel hub and the heat preservation air cover and assists the heat preservation air cover to heat and preserve the heat of the wheel hub; on the other hand can further reduce the inside volume of heat preservation gas hood, and then reduce the heat preservation heating degree of difficulty, when further reducing heat preservation energy resource consumption, realize the heat preservation and control its cooling rate to wheel hub, can reduce or avoid the production of hardening structure, reach the effect that reaches effective improvement wheel hub welding efficiency and welding quality.
Drawings
Fig. 1 is a schematic top view structure diagram of an automobile hub welding device in an embodiment of the present application;
fig. 2 is a system block diagram of an automobile hub welding device in the first embodiment of the present application;
FIG. 3 is a schematic structural diagram of a dual-station carrier stage according to a first embodiment of the present disclosure;
FIG. 4 is a schematic top view of a load-bearing platform according to an embodiment of the present application;
FIG. 5 is a schematic view of a dual position clamping jaw according to a first embodiment of the present application;
FIG. 6 is a schematic structural diagram of a rear heat transport device according to an embodiment of the present application;
FIG. 7 is a schematic cross-sectional view of an insulating gas hood according to an embodiment of the present disclosure;
FIG. 8 is a flow chart of a method of welding a hub according to a first embodiment of the present disclosure;
fig. 9 is a schematic top view of a bearing truncated cone according to a second embodiment of the present application.
Description of reference numerals: 1. preheating a conveying device; 11. a heat preservation bin; 111. a hot air assembly; 112. an electrical heating assembly; 12. a second roller conveyor; 2. carrying the mechanical arm; 21. a manipulator body; 22. a double-station clamping jaw; 221. mounting a plate; 222. an electric jaw; 3. welding the assembly; 31. a double-station bearing table; 311. rotating the base; 312. a double-station support arm; 313. a cross bar; 314. an arc-shaped station support arm; 32. welding a manipulator; 4. a post heat transfer device; 41. a first roller conveyor; 42. a post-heat temperature control component; 421. an annular track; 422. a ring-shaped travelling crane; 424. an electric hoist; 425. a high temperature air source; 426. a gas solenoid valve; 427. a gas collection hood; 428. a turbine collection fan; 5. a welding controller; 6. a load bearing base; 61. a drive motor; 62. a bearing circular table; 621. limiting the telescopic rod; 622. an auxiliary telescopic rod; 623. expanding the threaded hole; 624. a limiting rod; 7. a heat preservation gas hood; 71. an air inlet pipe; 72. an air nozzle; 73. a limiting air bag; 74. a miniature electromagnetic valve; 75. high temperature resistant protective sheath.
Detailed Description
The present application is described in further detail below with reference to figures 1-9.
Example 1
The embodiment of the application discloses automobile wheel hub welding set. Referring to fig. 1-3, an automobile hub welding device comprises a preheating conveying device 1 for conveying a hub, a conveying manipulator 2 for conveying the hub, a plurality of welding assemblies 3 for welding the hub, and a rear heat conveying device 4 for conveying the welded hub. The preheating conveying device 1, the carrying manipulator 2, the multiple groups of welding assemblies 3 and the rear heat conveying device 4 are jointly connected with a welding controller 5. The plurality of groups of welding assemblies 3 are distributed along the circumferential direction of the carrying manipulator 2; the multiple groups of welding assemblies 3 respectively comprise a double-station bearing table 31 for placing automobile hubs and a welding manipulator 32 for welding the automobile hubs. The double-station bearing table 31 comprises a rotating base 311 and a double-station support arm 312 rotatably arranged on the rotating base 311, wherein the double-station support arm 312 comprises a cross rod 313 and arc-shaped station support arms 314 arranged at two ends of the cross rod 313, and the cross rod 313 is connected with the output end of the rotating base 311. The top parts of the two double-station support arms 312 are respectively provided with a bearing base 6 for bearing the fixed hub, the bearing base 6 comprises a driving motor 61 and a bearing circular table 62 for inserting the fixed hub, and the bearing circular table 62 is coaxially connected with an output shaft of the driving motor 61. Through the arrangement of the preheating conveying device 1 and the post-heating conveying device 4, heat preservation and temperature control can be carried out on the automobile hub, so that the cooling speed of the welded hub is controlled, the thermal cycle and the internal structure at a welding point are improved, the deformation is reduced, the residual stress is eliminated, the release of hydrogen in welding metal is facilitated, the generation of cold cracks is prevented, and the effect of effectively improving the welding quality of the automobile hub is achieved; through the setting of multiunit welding subassembly 3 simultaneously, two wheel hub can be held simultaneously to duplex position plummer 31, and then realize continuous incessant welding process, can effectively improve wheel hub welding efficiency, multiunit welding subassembly 3 mutually supports in addition and realizes the parallel welding process of multithreading, even when certain equipment breaks down because of various unexpected factors, still can keep wheel hub's welding efficiency, avoids appearing the phenomenon that whole production line is down, reaches the effect that effectively improves wheel hub welding efficiency and welding quality.
Referring to fig. 3 and 4, a plurality of limiting telescopic rods 621 used for fixing the automobile hub are arranged on the top of the bearing circular table 62 along the circumferential direction of the bearing circular table. A plurality of limiting telescopic rods 621 are all arranged along the radial direction of the bearing circular truncated cone 62, and the end parts of the piston rods of the limiting telescopic rods 621 are arranged in a back direction. The limiting telescopic rod 621 can adopt an electric telescopic rod, a pneumatic telescopic rod, a hydraulic telescopic rod or other driving modes to realize a workpiece capable of being controlled to stretch. Through the setting of a plurality of spacing telescopic links 621, can fix spacingly placing wheel hub on bearing round platform 62, help improving wheel hub and bearing the stability of placing on round platform 62, the welding process of being convenient for is stably gone on, reaches the effect that effectively improves welding quality. In addition, the bottom of the bearing circular truncated cone 62 is provided with a plurality of auxiliary telescopic rods 622 along the circumferential direction. Through the setting of auxiliary telescopic rod 622, can the auxiliary control wheel hub install the installation depth who bears round platform 62, help the accurate stable installation of wheel hub on bearing round platform 62, help welding machines hand 32 to weld wheel hub under the assistance of bearing base 6 accurate high-efficient, reach the effect that effectively improves wheel hub welding efficiency and welding quality.
Referring to fig. 1 and 5, the carrying manipulator 2 comprises a manipulator body 21 and a double-station clamping jaw 22 for clamping a hub, wherein the double-station clamping jaw 22 is rotatably arranged at the output end of the manipulator body 21, the double-station clamping jaw 22 comprises a mounting plate 221 and two electric clamping jaws 222 stacked on the mounting plate 221, and the mounting plate 221 is fixedly connected with the output end of the manipulator body 21. When carrying wheel hub, welding controller 5 controls transport manipulator 2 to press from both sides from preheating conveyor 1 and gets and treat that welding wheel hub carries to duplex position plummer 31 department, and transport manipulator 2 rotates to press from both sides and gets and be located and accomplish welded wheel hub on bearing base 6, overturns again and will press from both sides that to treat that to weld wheel hub who gets and place on bearing base 6. Through the setting of duplex position clamping jaw 22 and manipulator body 21, can press from both sides simultaneously and get two wheel hubs, the taking out of the wheel hub of being convenient for the welding completion with wait to weld the wheel hub installation, help realizing not shutting down continuous welding processing.
Referring to fig. 1 and 2, the preheating conveying device 1 includes a heat-insulating bin 11 and a second roller conveyor 12 penetrating through the heat-insulating bin 11, and a hot air assembly 111 and an electric heating assembly 112 are disposed in the heat-insulating bin 11. The electric heating component can adopt an electric heating plate or an electric heating wire. Through the setting of heat preservation storehouse 11, hot-blast subassembly 111 and electric heating element 112 create high temperature environment in heat preservation storehouse 11, can keep warm to wheel hub after preorder process preheating treatment when carrying it, prevent its quick cooling, effectively slow down the cooling rate of wheel hub after the welding of high carbon content, help reducing or avoid the production of hardening tissue, reduce welding stress, be favorable to hydrogen to escape, prevent that cold crack from taking place, reach the effect that effectively improves wheel hub welding efficiency and welding quality.
Referring to fig. 1 to 6, the post-heat transport device 4 includes a first roller conveyor 41 for transporting the welded hub and a post-heat temperature control assembly 42 for keeping the hub warm. The rear thermal temperature control assembly 42 comprises an annular rail 421, a plurality of annular traveling cranes 422 slidably arranged on the annular rail 421, a heat-insulating air hood 7 installed at the bottom of the annular traveling cranes 422 for insulating and cooling the wheel hub, a high-temperature air source 425 and a gas collecting hood 427 for collecting high-temperature gas. The high-temperature air source 425 can adopt a hot air source mechanical pump set. An electric hoist 424 is installed on the annular travelling crane, and the lifting end of the electric hoist 424 is connected with the heat preservation air hood 7. The air outlet of the high-temperature air source 425 is respectively connected with a plurality of heat preservation air hoods 7, and an air electromagnetic valve 426 is arranged between the high-temperature air source 425 and the heat preservation air hoods 7. The gas collecting hood 427 is funnel-shaped and is located below the first roller conveyor 41, and the gas collecting hood 427 is connected with a turbine collecting fan 428, an air inlet of the turbine collecting fan 428 is communicated with the gas collecting hood 427, and an air outlet is communicated with an air inlet of the high-temperature air source 425. Through the setting of high temperature wind source 425, heat preservation gas cover 7 and gas collection cover 427, realize keeping warm alone one to each welding back wheel hub, help controlling its cooling rate, reach the effect that effectively improves wheel hub welding quality. Through the setting of gas collection cover 427 and turbine collection fan 428, the high temperature gas that blows to the wheel hub to heat preservation gas hood 7 is retrieved again, reduces the energy consumption of high temperature wind regime heating air, realizes hot-blast virtuous circle.
Referring to fig. 1-7, an air inlet pipe 71 is arranged at the top of the heat-insulating air hood 7, a plurality of air nozzles 72 for conveying high-temperature air to the automobile hub are arranged in the heat-insulating air hood 7 along the circumferential direction of the heat-insulating air hood, and the air nozzles 72 are communicated with the air inlet pipe 71; the inner side wall of the heat preservation air cover 7 is provided with a limit air bag 73 along the circumferential direction, the limit air bag 73 is communicated with the air inlet pipe 71, and a micro electromagnetic valve 74 is arranged between the limit air bag 73 and the air inlet pipe 71. The limiting air bag 73 is externally wrapped with a high temperature resistant protective sleeve 75. Through the setting of back heat transfer device 4, welding controller 5 control transport manipulator 2 will accomplish welded wheel hub transport to first roller conveyor 41 on, synchronous control annular driving 422 moves to first roller conveyor 41 top along circular orbit 421 and starts electric block 424 and drop heat preservation gas hood 7 cover and establish on accomplishing welded wheel hub, open the gas solenoid valve 426 and the miniature solenoid valve 74 of being connected with this heat preservation gas hood 7, spacing gasbag 73 inflation and the rim butt of wheel hub, a plurality of air nozzle 72 are to wheel hub blowout high temperature gas simultaneously, can effectively keep warm to the wheel hub after the welding, be favorable to hydrogen in the metal to escape, prevent that cold crack from taking place.
In addition, a small-volume heat preservation cavity can be effectively constructed by arranging the heat preservation air cover 7, the energy consumption of heat preservation control cooling speed of the hub is further reduced while the hub is preserved heat, and on one hand, the limit air bag 73 limits the hub, improves the combination degree of the hub and the heat preservation air cover 7 and assists the heat preservation air cover 7 to heat and preserve heat of the hub; on the other hand, the internal volume of the heat-preservation gas hood 7 can be further reduced, the heat-preservation heating difficulty of the wheel hub is further reduced, the heat preservation of the wheel hub and the cooling speed of the wheel hub can be controlled while the heat-preservation energy consumption of the wheel hub is further reduced, the generation of hardening structures can be reduced or avoided, and the effect of effectively improving the welding efficiency and the welding quality of the wheel hub is achieved.
Referring to fig. 8, the step of controlling the preheating conveying device 1, the carrying manipulator 2, the plurality of welding assemblies 3 and the rear heat conveying device 4 to weld the hub by the welding controller 5 specifically includes the following steps:
s1, conveying the preheated hub: placing the hub to be welded after preheating on a preheating conveying device 1 and conveying the hub to a carrying manipulator 2;
for the automobile hub with higher carbon content, the hub needs to be preheated before welding, and special preheating equipment is generally adopted for preheating; the preheated wheel hub to be welded is placed on a second roller conveyor and conveyed to a carrying manipulator, and a hot air assembly and an electric heating assembly in the heat preservation bin are started to preserve heat of the wheel hub to be welded entering the heat preservation bin;
s2, carrying the wheel hub to be welded: the welding controller 5 controls the carrying manipulator 2 to clamp the hub to be welded and carry the hub to the idle bearing circular table 62 of the double-station bearing table 31;
at this time, the carrying manipulator 2 can continuously clamp two hubs to be welded through the double-station clamping jaw 22, and then sequentially carries and places the hubs on the idle bearing circular truncated cone 62 of the double-station bearing table 31, so that the carrying efficiency is further improved;
s3, moving the hub to be welded in place: the welding controller 5 controls the double-station bearing table 31 to rotate to enable the bearing circular table 62 bearing the hub to be welded to rotate to the welding manipulator 32;
s4, welding the hub to be welded: the welding controller 5 controls the welding part of the welding manipulator 32 to move to the position of the hub to be welded to weld the hub, and synchronously controls the driving motor 61 to drive the bearing circular truncated cone 62 to rotate to be matched with the welding manipulator 32 for welding;
s5, judging whether an idle bearing circular truncated cone exists or not: judging whether idle bearing circular tables 62 exist on the plurality of double-station bearing tables 31, if so, skipping to the step S2, and if not, skipping to the step S6;
s6, replacing the hub on the bearing base: the welding controller 5 controls the carrying manipulator 2 to clamp the wheel hub to be welded from the preheating conveying device 1 and carry the wheel hub to the double-station bearing table 31, the carrying manipulator 2 rotates to clamp the wheel hub which is positioned on the bearing base 6 and is welded, and then the wheel hub to be welded is placed on the bearing base 6 in a turnover mode;
s7, carrying and fixing the hub which is welded: the welding controller 5 controls the carrying manipulator 2 to carry the welded wheel hub to the first roller conveyor 41, synchronously controls the annular travelling crane 422 to move to the position above the first roller conveyor 41 along the annular track 421 to start the electric hoist 424 to lower the heat-preservation air hood 7 to cover the welded wheel hub, opens the gas electromagnetic valve 426 and the micro electromagnetic valve 74 connected with the heat-preservation air hood 7, inflates and expands the limit air bag 73 to abut against the wheel rim of the wheel hub, and simultaneously the plurality of air nozzles 72 eject high-temperature gas to the wheel hub;
s8, conveying and heat preservation are carried out on the hub which is welded: the annular travelling crane 422 moves along with the first roller conveyor 41, and the heat preservation air hood 7 continuously sprays air to the hub for heat preservation until the temperature is reduced;
meanwhile, the welding controller 5 starts a turbine collecting fan 428 to recover the high-temperature gas sprayed out of the heat-insulating gas hood 7 through a gas collecting hood 427 and convey the high-temperature gas to a high-temperature air source 425; in addition, in order to realize the purpose of stably cooling the hub, the welding controller 5 can also reduce the temperature of high-temperature gas or reduce the flow of the high-temperature gas sprayed to the hub along with the passing of the cooling time of the welded hub, so that more accurate and stable cooling is realized;
s9, welding the replaced hub: after the welding controller 5 finishes welding the hub on the other bearing base 6 of the double-station bearing table 31, the double-station bearing table 31 is controlled to rotate to enable the bearing circular table 62 bearing the hub to be welded to rotate to the welding manipulator 32, the welding controller 5 controls the welding part of the welding manipulator 32 to move to the position of the hub to be welded to weld the hub, and the synchronous control driving motor 61 drives the bearing circular table 62 to be matched with the welding manipulator 32 to rotate to weld. Through the arrangement of the preheating conveying device 1 and the post-heating device, heat preservation and temperature control can be performed on the automobile hub, so that the cooling speed of the welded hub is controlled, the thermal cycle and the internal structure at a welding point are improved, the deformation is reduced, the residual stress is eliminated, the release of hydrogen in welding metal is facilitated, cold cracks are prevented, and the effect of effectively improving the welding quality of the automobile hub is achieved; through the setting of multiunit welding subassembly 3 simultaneously, two wheel hub can be held simultaneously to duplex position plummer 31, and then realize continuous incessant welding process, can effectively improve wheel hub welding efficiency, multiunit welding subassembly 3 mutually supports in addition and realizes the parallel welding process of multithreading, even when certain equipment breaks down because of various unexpected factors, still can keep wheel hub's welding efficiency, avoids appearing the phenomenon that whole production line is down, reaches the effect that effectively improves wheel hub welding efficiency and welding quality.
Example 2
Referring to fig. 9, the difference between this embodiment and embodiment 1 is that the end portions of the piston rods of the limiting telescopic rods 621 are respectively provided with an expanded threaded hole 623, and the end portions of the piston rods of the limiting telescopic rods 621 are in threaded connection with a limiting rod 624 through the expanded threaded holes 623. Through expanding the setting of screw hole 623 and gag lever post 624, can further improve spacing telescopic link 621's universality for spacing telescopic link 621 can deal with the automobile wheel hub of different specification shapes, stabilize spacingly to the automobile wheel hub of different specification shapes, and then ensure that welding process is stable high-efficient goes on, reach the effect that effectively improves wheel hub welding efficiency and welding quality.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without inventive step, are within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, and thus, different technical solutions that do not substantially depart from the spirit of the present invention may be obtained, and these technical solutions also belong to the scope of the present invention.
Claims (10)
1. An automobile wheel hub welding set which characterized in that: the wheel hub welding machine comprises a preheating conveying device (1) for conveying a wheel hub, a conveying mechanical hand (2) for conveying the wheel hub, a plurality of groups of welding assemblies (3) for welding the wheel hub and a rear heat conveying device (4) for conveying the welded wheel hub, wherein the preheating conveying device (1), the conveying mechanical hand (2), the plurality of groups of welding assemblies (3) and the rear heat conveying device (4) are connected with a welding controller (5) together; the plurality of groups of welding assemblies (3) are distributed along the circumferential direction of the carrying manipulator (2); the multiple groups of welding assemblies (3) respectively comprise a double-station bearing table (31) for placing automobile hubs and a welding manipulator (32) for welding the automobile hubs; the double-station bearing table (31) comprises a rotating base (311) and a double-station support arm (312) rotatably arranged on the rotating base (311), the double-station support arm (312) comprises a cross rod (313) and arc-shaped station support arms (314) arranged at two ends of the cross rod (313), and the cross rod (313) is connected with the output end of the rotating base (311); two duplex position support arm (312) top all installs the base (6) that bears that is used for bearing fixed wheel hub, bear base (6) including driving motor (61) and be used for pegging graft fixed wheel hub's bearing round platform (62), bear round platform (62) and driving motor (61) output shaft coaxial coupling.
2. The automobile hub welding device according to claim 1, characterized in that: bear round platform (62) top and be provided with a plurality of spacing telescopic link (621) that are used for fixed automobile wheel hub along its circumference, it is a plurality of spacing telescopic link (621) all radially set up along bearing round platform (62), and a plurality of the piston rod tip of spacing telescopic link (621) is the setting dorsad.
3. The automobile hub welding device according to claim 2, characterized in that: the bottom of the bearing circular truncated cone (62) is provided with a plurality of auxiliary telescopic rods (622) along the circumferential direction.
4. The automobile hub welding device according to claim 2, characterized in that: a plurality of expansion threaded holes (623) are formed in the end portion of the piston rod of the limiting telescopic rod (621), and a limiting rod (624) is connected to the end portion of the piston rod of the limiting telescopic rod (621) through the expansion threaded holes (623) in a threaded mode.
5. The automobile hub welding device according to claim 2, characterized in that: the rear heat conveying device (4) comprises a first roller conveyor (41) for conveying welded hubs and a rear heat temperature control assembly (42) for preserving heat of the hubs, wherein the rear heat temperature control assembly (42) comprises an annular rail (421), a plurality of annular traveling cranes (422) arranged on the annular rail (421) in a sliding manner, a heat preservation air hood (7) arranged at the bottom of the annular traveling cranes (422) and used for preserving heat and cooling the hubs, a high-temperature air source (425) and a gas collection hood (427) used for collecting high-temperature gas, an electric hoist (424) is arranged on the annular traveling cranes (422), and the lifting end of the electric hoist (424) is connected with the heat preservation air hood (7); the air outlet of the high-temperature air source (425) is respectively connected with a plurality of heat-insulating air hoods (7), and a gas electromagnetic valve (426) is arranged between the high-temperature air source (425) and the heat-insulating air hoods (7); the gas collecting hood (427) is funnel-shaped and is positioned below the first roller conveyor (41), the gas collecting hood (427) is connected with a turbine collecting fan (428), an air inlet of the turbine collecting fan (428) is communicated with the gas collecting hood (427), and an air outlet is communicated with an air inlet of the high-temperature air source (425).
6. The automobile hub welding device according to claim 5, characterized in that: an air inlet pipe (71) is arranged at the top of the heat-insulating air hood (7), a plurality of air nozzles (72) used for conveying high-temperature air to the automobile hub are arranged in the heat-insulating air hood (7) along the circumferential direction of the heat-insulating air hood, and the air nozzles (72) are communicated with the air inlet pipe (71); the air-conditioning system is characterized in that a limiting air bag (73) is arranged on the inner side wall of the heat-insulation air cover (7) along the circumferential direction of the inner side wall, the limiting air bag (73) is communicated with the air inlet pipe (71), and a micro electromagnetic valve (74) is arranged between the limiting air bag (73) and the air inlet pipe (71).
7. The automobile hub welding device according to claim 6, characterized in that: the limiting air bag (73) is externally wrapped with a high-temperature-resistant protective sleeve (75).
8. The automobile hub welding device according to claim 2, characterized in that: the preheating conveying device (1) comprises a heat preservation bin (11) and a second roller type conveyor (12) penetrating through the heat preservation bin (11), and a hot air assembly (111) and an electric heating assembly (112) are arranged in the heat preservation bin (11).
9. The automobile hub welding device according to claim 2, characterized in that: transport manipulator (2) include manipulator body (21) and be used for centre gripping wheel hub's duplex position clamping jaw (22), duplex position clamping jaw (22) are rotated and are set up at manipulator body (21) output, duplex position clamping jaw (22) include mounting panel (221) and are two electronic clamping jaw (222) of piling up the setting on mounting panel (221), mounting panel (221) and manipulator body (21) output fixed connection.
10. The automobile hub welding device according to claim 6, characterized in that: the welding controller (5) controls the preheating conveying device (1), the carrying manipulator (2), the plurality of groups of welding assemblies (3) and the rear heat conveying device (4) to weld the hubs, and the welding controller specifically comprises the following steps:
s1, placing the wheel hub to be welded after preheating on a preheating conveying device (1) and conveying the wheel hub to a conveying manipulator (2);
s2, the welding controller (5) controls the carrying manipulator (2) to clamp the hub to be welded and carry the hub to the idle bearing circular table (62) of the double-station bearing table (31);
s3, the welding controller (5) controls the double-station bearing table (31) to rotate to enable the bearing circular table (62) bearing the hub to be welded to rotate to the welding manipulator (32);
s4, the welding controller (5) controls the welding part of the welding manipulator (32) to move to the position of the hub to be welded to weld the hub, and the synchronous control driving motor (61) drives the bearing circular truncated cone (62) to rotate to be matched with the welding manipulator (32) for welding;
s5, judging whether idle bearing circular tables (62) exist on the plurality of double-station bearing tables (31), if so, skipping to the step S2, and if not, skipping to the step S6;
s6, the welding controller (5) controls the carrying manipulator (2) to clamp the hub to be welded from the preheating conveying device (1) and carry the hub to the double-station bearing table (31), the carrying manipulator (2) rotates to clamp the hub which is positioned on the bearing base (6) and is welded, and then the clamped hub to be welded is placed on the bearing base (6) in a turning mode;
s7, the welding controller (5) controls the carrying manipulator (2) to carry the welded wheel hub to the first roller conveyor (41), the annular travelling crane (422) is synchronously controlled to move to the position above the first roller conveyor (41) along the annular track (421), the electric hoist (424) is started, the heat preservation air hood (7) is started to descend and cover the welded wheel hub, the gas electromagnetic valve (426) and the micro electromagnetic valve (74) connected with the heat preservation air hood (7) are opened, the limiting air bag (73) is inflated and expanded to abut against a wheel rim of the wheel hub, and meanwhile the plurality of air nozzles (72) spray high-temperature gas to the wheel hub;
s8, moving the annular travelling crane (422) along with the first roller conveyor (41), and continuously injecting air to the hub by using the heat-preservation air hood (7) for heat preservation until the temperature is reduced;
s9, after the welding controller (5) completes welding on the hub on the other bearing base (6) of the double-station bearing table (31), the double-station bearing table (31) is controlled to rotate to enable the bearing circular truncated cone (62) bearing the hub to be welded to rotate to the welding manipulator (32), the welding controller (5) controls the welding portion of the welding manipulator (32) to move to the position of the hub to be welded to weld the hub, and the synchronous control driving motor (61) drives the bearing circular truncated cone (62) to be matched with the welding manipulator (32) in a rotating mode to weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211644298.0A CN115609203B (en) | 2022-12-21 | 2022-12-21 | Automobile wheel hub welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211644298.0A CN115609203B (en) | 2022-12-21 | 2022-12-21 | Automobile wheel hub welding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115609203A true CN115609203A (en) | 2023-01-17 |
| CN115609203B CN115609203B (en) | 2023-03-10 |
Family
ID=84879574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211644298.0A Active CN115609203B (en) | 2022-12-21 | 2022-12-21 | Automobile wheel hub welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115609203B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1281623A (en) * | 1970-08-13 | 1972-07-12 | Uzina De Autocamioane Steagul | Apparatus for welding motor vehicle wheels |
| CN103273167A (en) * | 2013-05-28 | 2013-09-04 | 嘉兴四通车轮股份有限公司 | Double-station wheel double-wire welding machine |
| CN110394459A (en) * | 2018-04-24 | 2019-11-01 | 内蒙古华唐铝业有限公司 | A kind of wheel hub automatic turning processing unit |
| CN110653529A (en) * | 2019-09-28 | 2020-01-07 | 杭州金成车轮制造有限公司 | Rim and spoke combined welding equipment |
| CN110919247A (en) * | 2019-12-19 | 2020-03-27 | 佛山市铭柯智能设备科技有限公司 | Wheel hub welding system |
| CN113210937A (en) * | 2021-04-27 | 2021-08-06 | 太仓旭莱自动化机械有限公司 | Welding equipment and welding method for pallet fork hook |
| CN215358483U (en) * | 2021-03-19 | 2021-12-31 | 浙江师范大学 | Hub double-station clamping jaw |
| CN115007966A (en) * | 2022-07-13 | 2022-09-06 | 四川鸿舰重型机械制造有限责任公司 | Surface wear-resistant surfacing method for railway rolled steel wheel |
-
2022
- 2022-12-21 CN CN202211644298.0A patent/CN115609203B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1281623A (en) * | 1970-08-13 | 1972-07-12 | Uzina De Autocamioane Steagul | Apparatus for welding motor vehicle wheels |
| CN103273167A (en) * | 2013-05-28 | 2013-09-04 | 嘉兴四通车轮股份有限公司 | Double-station wheel double-wire welding machine |
| CN110394459A (en) * | 2018-04-24 | 2019-11-01 | 内蒙古华唐铝业有限公司 | A kind of wheel hub automatic turning processing unit |
| CN110653529A (en) * | 2019-09-28 | 2020-01-07 | 杭州金成车轮制造有限公司 | Rim and spoke combined welding equipment |
| CN110919247A (en) * | 2019-12-19 | 2020-03-27 | 佛山市铭柯智能设备科技有限公司 | Wheel hub welding system |
| CN215358483U (en) * | 2021-03-19 | 2021-12-31 | 浙江师范大学 | Hub double-station clamping jaw |
| CN113210937A (en) * | 2021-04-27 | 2021-08-06 | 太仓旭莱自动化机械有限公司 | Welding equipment and welding method for pallet fork hook |
| CN115007966A (en) * | 2022-07-13 | 2022-09-06 | 四川鸿舰重型机械制造有限责任公司 | Surface wear-resistant surfacing method for railway rolled steel wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115609203B (en) | 2023-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109623186B (en) | Assembly device for barrel body and barrel body, barrel body and seal head | |
| CN105290657B (en) | Leg connects technique and its equipment with automatic welding of cylinder body | |
| CN104139832B (en) | Mounting method of integral stern shaft tube on naval architecture and ocean engineering | |
| US9486872B2 (en) | Manufacturing method for advanced high-strength steel wheel and jig device thereof | |
| CN112406086A (en) | Metal plastic composite pipe compounding equipment and compounding process | |
| CN115609203B (en) | Automobile wheel hub welding device | |
| CN114147324B (en) | High-efficiency welding method for large-sized perforated flange and thick-wall pipe | |
| CN107225297A (en) | A kind of gear-hobbing machine and its gear fixture | |
| CN216947113U (en) | Heat treatment device for automobile hub machining | |
| CN211438685U (en) | Welding equipment for half-axle sleeve and axle housing body | |
| CN216688248U (en) | Heat treatment pit furnace single part built-in quenching tool | |
| CN206550709U (en) | A kind of coldplate Special Fixture for Machining | |
| CN213289232U (en) | Butt welding clamping device for steel wheel rim strip | |
| CN210703417U (en) | Camshaft static pressure combined system | |
| CN209256906U (en) | A kind of automatic rolling device applied on chassis | |
| CN108176987A (en) | A kind of flange production line | |
| CN113278788A (en) | Composite device and method for eliminating residual stress of welding line | |
| CN220278623U (en) | Spring card automatic weld production line | |
| CN106636602B (en) | The ultrasonic impact device of girth joint in a kind of pipe | |
| CN214651855U (en) | Automatic intelligent transfer machine for intelligent manufacturing workshop | |
| CN213381570U (en) | Blank taking manipulator | |
| JP3258710B2 (en) | Stretch reducer housing exchange device | |
| CN215410652U (en) | Oxygen hose connecting pipe device in front of iron-making furnace | |
| CN217965436U (en) | Welding preheating device | |
| CN220596769U (en) | Hoisting tool for large-tonnage long shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |