CN115302182B - Intelligent carriage welding production line and welding process - Google Patents
Intelligent carriage welding production line and welding process Download PDFInfo
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- CN115302182B CN115302182B CN202211046346.6A CN202211046346A CN115302182B CN 115302182 B CN115302182 B CN 115302182B CN 202211046346 A CN202211046346 A CN 202211046346A CN 115302182 B CN115302182 B CN 115302182B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted 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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- 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
Abstract
The invention relates to the technical field of carriage welding, and discloses an intelligent carriage welding production line and a welding process, which comprises a carriage assembling and box assembling station, a carriage welding station, a carriage inspection and repair welding station and a coating line connecting station which are sequentially arranged; the carriage assembly box-assembling station and the carriage welding station, the carriage welding station and the carriage inspection and repair welding station, and the carriage inspection and repair welding station and the coating line connecting station are connected through a carriage welding circulation device; the carriage welding station is provided with a rotary position changing mechanism for clamping the carriage and automatically adjusting the position of the carriage according to welding requirements and a gantry type robot welding system for automatically welding different positions of the carriage, so that the flow process of carriage welding processing is realized, the welding efficiency is high, the welding quality is good, the safety is good, and the stability is good.
Description
Technical Field
The invention relates to the technical field of carriage welding, in particular to an intelligent carriage welding production line and a welding process.
Background
The carriage welding mode is mainly manual welding now, because the whole size of carriage is great, therefore weldment work's geographical scope is great, and welder's stroke far can not satisfy the demand, consequently need carry the welder in welding process for welder can reach different welding position on the carriage, and current transport mode is the driving handling of a vehicle and is leading.
The manual welding of the carriage has the following defects:
1. the length of a welding seam welded on the carriage is long, the technical requirement of manual welding is high, and the carriage is not easy to achieve attractive and straight appearance;
2. the welding of carriage sideboard and bottom plate's lower bottom surface is the overhead welding mostly, and welding quality is difficult for guaranteeing.
3. People also have certain potential safety hazard in the long-time welding of carriage bottom.
The defects of carriage traveling crane lifting are as follows:
1. the carriage circulation is not smooth;
2. the crane handling has certain potential safety hazard.
Disclosure of Invention
The invention aims to provide an intelligent carriage welding production line and a welding process, which realize the line production of carriage welding processing, and have the advantages of high welding efficiency, good welding quality, good safety and good stability.
The technical purpose of the invention is realized by the following technical scheme:
an intelligent carriage welding production line comprises a carriage assembling and box assembling station, a carriage welding station, a carriage checking and repair welding station and a coating line connecting station which are sequentially arranged;
the carriage assembly box closing station and the carriage welding station, the carriage welding station and the carriage inspection and repair welding station, and the carriage inspection and repair welding station and the coating line connecting station are connected through a carriage welding and circulating device;
and the carriage welding station is provided with a rotary displacement mechanism for clamping the carriage and automatically adjusting the position of the carriage according to welding requirements and a gantry type robot welding system for automatically welding different positions of the carriage.
By adopting the technical scheme, the carriage assembling box-combining station is used for assembling a carriage, the carriage is conveyed to the carriage welding station by the carriage welding circulation device after the assembling is completed, the rotating displacement mechanism in the carriage welding station clamps the carriage to be welded, the gantry type robot welding system in the carriage welding station is used for welding the inside of the carriage, after the internal welding is completed, the rotating displacement mechanism adjusts the position of the carriage, the robot welding system performs bottom welding on the carriage, after the welding of the whole carriage is completed, the carriage is conveyed to the carriage inspection and repair welding station by the carriage welding circulation device for welding quality detection and repair welding operation, the detected and repair welded carriage is conveyed to the coating line connection station by the carriage welding circulation device, the subsequent coating operation is directly hung, the welding station realizes that the inside of the carriage and the welding part at the position beneficial to welding by using the rotating displacement mechanism, the accurate positioning of a welding point can be ensured, the welding quality can be ensured, the conveying between the stations can be realized by the carriage welding circulation device, thereby the carriage assembly line operation is realized, the welding efficiency is high, and the safety is good.
The invention is further provided with: the carriage welding circulation device comprises an RGV trolley and an RGV track which is used for being matched with the RGV trolley to circulate and run between a carriage assembling and box closing station, a carriage welding station, a carriage checking and repair welding station and a coating line connecting station.
Through adopting above-mentioned technical scheme, the RGV dolly is not only fast, and the reliability is high, and is with low costs, and the bearing capacity is strong moreover, can be convenient with each station butt joint, need not personnel's operation, the safe risk is little, and because RGV dolly simple structure, strong to external environment interference killing feature, it is general also to require the broad to the operative employee, operating stability is strong, the trouble takes place the position less, has powerful automation integrated level and on-the-spot adaptability, adapts to the demand of modern production more.
The invention is further provided with: the rotary position changing mechanism is composed of two parts, the two parts clamp the carriage from two ends of the carriage to be welded respectively, and the two parts are matched with the clamping track respectively to realize mutual approaching or separating.
Through adopting above-mentioned technical scheme, two parts can realize pressing from both sides tight the carriage or place the carriage on carriage welding circulation device from the carriage both sides when pressing from both sides tight track each other or keeping away from, are convenient for the carriage and circulate between each station to realize the connection between each station.
The invention is further provided with: every part all includes and presss from both sides tight track complex removal base and is located the rotatory clamping part who removes the base top, rotatory clamping part is including fixing base and the rotating part on removing the base, be equipped with opening arcwall face up on the base, be equipped with on the arcwall face with the coaxial arc spout of arcwall face place circumference, the both sides sliding fit of the arc ring gear on arc spout and the outer wall of rotating part, the arc ring gear meshes with the gear of fixing in the rotary drive portion in base bottom mounting groove.
Through adopting above-mentioned technical scheme, it is used for moving along pressing from both sides tight track to remove the base, thereby realize that rotatory displacement mechanism two parts are close to each other or keep away from, the rotatory clamping part that removes the base top is used for pressing from both sides the carriage tightly and drive the carriage rotatory, thereby realize inside the carriage, bottom welding position adjusts to doing benefit to the welded position, thereby guarantee welding efficiency and welding quality, rotatory clamping part drives the carriage rotation through the rotating part rotation, it is rotatory around the center of its place circumference to drive rather than the arc ring gear of meshing through a rotation of gear among the rotary drive portion, it is rotatory to drive the rotating part synchronous rotation when the arc ring gear is rotatory, it is rotatory to have realized the carriage through the rotating part rotation.
The invention is further provided with: the rotary driving part comprises a driving motor, a worm connected with the output end of the driving motor, and a worm wheel meshed with the worm, wherein the driving motor is fixed at the bottom of the mounting groove, the two ends of the worm are connected with the bottom of the mounting groove through bearing seats, the worm wheel is connected with a first gear through a worm wheel rotating shaft, and the worm wheel rotating shaft is connected with the bottom of the mounting groove through the bearing seats.
By adopting the technical scheme, the worm connected with the output end of the driving motor is driven to rotate when the driving motor is started, the worm is driven to rotate with the worm wheel meshed with the worm wheel when the worm wheel rotates, the worm wheel drives the gear coaxially connected with the worm wheel to rotate, the gear can drive the rotating part to rotate when the gear rotates, the rotation of the carriage is realized, and therefore the adjustment of the welding part inside and at the bottom of the carriage is realized.
The invention is further configured as follows: the rotary clamping part further comprises a jacking clamping mechanism, the jacking clamping mechanism comprises a jacking mechanism and a clamping mechanism fixed to the upper end of the rotating part, the jacking mechanism comprises a jacking screw rod horizontally and transversely arranged, the jacking screw rod is a bidirectional screw rod, two ends of the jacking screw rod are respectively connected with a supporting seat of the upper end face of the rotating part through bearing seats, the jacking screw rod is driven by a screw rod motor, a first sliding block and a second sliding block which are in threaded connection with the jacking screw rod in two different rotation directions are respectively arranged at two ends of the jacking screw rod, the upper ends of the first sliding block and the second sliding block are connected through an X-shaped jacking part, the X-shaped jacking part comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are mutually crossed and are in an X shape, the middle of the first connecting rod and the second connecting rod are rotatably connected, the lower ends of the first connecting rod and the second connecting rod are respectively hinged with the first sliding block and the second sliding block, and the upper ends of the first connecting rod and the second connecting rod are respectively hinged with the first jacking plate and the second jacking plate.
By adopting the technical scheme, the clamping mechanism is used for clamping the carriage from two sides of the carriage, the jacking mechanism is used for jacking or putting down the carriage so as to realize the separation or contact of the carriage and the carriage welding circulation device, so that the carriage welding circulation device can circularly circulate so as to realize automatic assembly line operation, the jacking lead screw is driven to rotate by the lead screw motor so as to drive the first slide block and the second slide block which are in threaded connection with different rotation directions at two ends of the jacking lead screw to move in the opposite direction or in the reverse direction, and when the first slide block and the second slide block move in the opposite direction or in the reverse direction, the lower ends of the first connecting rod and the second connecting rod are driven to move oppositely or reversely, when the lower ends of the first connecting rod and the second connecting rod move oppositely, the upper ends of the first connecting rod and the second connecting rod move oppositely and upwards, so that the first jacking plate and the second jacking plate are driven to jack up the carriage, when the lower ends of the first connecting rod and the second connecting rod move reversely, the upper ends of the first connecting rod and the second connecting rod move reversely and downwards, the carriage is put down, and the carriage is lifted and lowered by the aid of the X-shaped jacking portion formed by the first connecting rod and the second connecting rod in an intersecting mode.
The invention is further provided with: the clamping mechanism comprises a first clamping mechanism and a second clamping mechanism which are positioned on two sides above the jacking mechanism, and the first clamping mechanism and the second clamping mechanism are respectively connected with a first jacking plate and a second jacking plate in the jacking mechanism.
By adopting the technical scheme, the clamping mechanism utilizes the first clamping mechanism and the second clamping mechanism to clamp or loosen the carriage from two sides of the carriage, the first clamping mechanism and the second clamping mechanism in the clamping mechanism are connected with the first jacking plate and the second jacking plate in the jacking mechanism to realize linkage between the clamping mechanism and the jacking mechanism, so that the jacking mechanism can simultaneously drive the clamping mechanism to clamp or loosen the carriage when ascending or descending, synchronous ascending, clamping and loosening of the carriage are ensured, and the two carriages of the first clamping mechanism and the second clamping mechanism synchronously move in opposite directions or in reverse directions when clamping or loosening are carried out, the stress balance of two sides of the carriage can be effectively ensured, the gravity center of the carriage is always positioned on the same vertical plane in the clamping or loosening process, and the condition that the stress of the first connecting rod and the second connecting rod is uneven due to the gravity center shift of the carriage in the clamping process is avoided.
The invention is further configured as follows: the first clamping mechanism and the second clamping mechanism are identical in structure and respectively comprise an X-shaped clamping part, the X-shaped clamping part comprises a third connecting rod and a fourth connecting rod, the third connecting rod and the fourth connecting rod are mutually crossed and form an X shape, the middle parts of the third connecting rod and the fourth connecting rod are rotatably connected, one end, close to the carriage, of the third connecting rod in the first clamping mechanism is connected with the first jacking plate, one end, close to the carriage, of the fourth connecting rod in the first clamping mechanism is provided with a first clamping plate, and the first clamping plate is located above the first jacking plate;
one end, close to the carriage, of a third connecting rod in the second clamping mechanism is connected with a second jacking plate, one end, close to the carriage, of a fourth connecting rod in the second clamping mechanism is provided with a second clamping plate, and the second clamping plate is located above the second jacking plate;
the clamping mechanism comprises a first clamping mechanism body and a second clamping mechanism body, wherein one end, far away from a carriage, of a third connecting rod in the first clamping mechanism body and the second clamping mechanism body is connected with a first rack, one end, far away from the carriage, of a fourth connecting rod in the first clamping mechanism body and the second clamping mechanism body is connected with a second rack, the first rack is installed on one side of the arc-shaped surface of a base through a clamping installation seat, a T-shaped sliding rail in sliding fit with the first rack is arranged on the clamping installation seat, a T-shaped sliding groove in sliding fit with the T-shaped sliding rail is formed in one side, opposite to the T-shaped sliding rail, of the first rack, the second rack is connected with the clamping installation seat through a fixed support, the fixed support is in sliding fit with the second rack, the first rack and the second rack are parallel to each other, tooth parts are arranged on the side surfaces, opposite to the first rack and the second rack, the tooth parts of the first rack are meshed with the second rack, and the fixed support are rotatably connected.
By adopting the technical scheme, when the first connecting rod and the second connecting rod move in opposite directions or in opposite directions, the first connecting rod and the second connecting rod can be driven to move in opposite directions or move in opposite directions when the first connecting rod and the second connecting rod rise and move in opposite directions or fall simultaneously, the first connecting rod and the third connecting rod which are connected with the first lifting plate and the second lifting plate respectively in the first clamping mechanism and the second clamping mechanism can be driven to move in opposite directions or move in opposite directions when the first connecting rod and the second connecting rod respectively move close to one end of the carriage, the first connecting rod drives the first rack to slide downwards or upwards along the T-shaped sliding groove when the first rack slides upwards or downwards, the second rack is driven to slide downwards or upwards when the second connecting rod drives the one end of the fourth connecting rod, which is far away from the carriage, the second connecting rod moves downwards or slides upwards when the second connecting rod and the one end of the fourth connecting rod, which is close to the carriage, moves towards one side of the carriage while the other end of the first connecting rod moves downwards or moves towards one side of the carriage, the second connecting rod and the second connecting rod moves towards the other side of the first clamping plate, the first clamping plate and the second clamping plate lift and the second clamping plate, the first clamping plate and the second clamping plate lift and the second clamping plate synchronously move, and the clamping plate lift and the clamping plate synchronously, and the clamping plate are driven to release the first clamping plate, and lift.
The invention is further provided with: the lifting plate I, the lifting plate II, the clamping plate I and the clamping plate II are L-shaped plates, the horizontal sections of the lifting plate I, the lifting plate II, the clamping plate I and the clamping plate II are respectively used for supporting or pressing the upper end or the lower end of the carriage, and the vertical sections of the lifting plate I, the lifting plate II, the clamping plate I and the clamping plate II are respectively used for tightly abutting against the side face of the carriage.
By adopting the technical scheme, the first jacking plate and the second jacking plate are L-shaped plates, so that in the process that the first jacking plate and the second jacking plate move oppositely while rising, the horizontal sections of the first jacking plate and the second jacking plate support the bottom of the carriage, and the vertical sections of the first jacking plate and the second jacking plate move oppositely while clamping the two sides of the lower end of the carriage; the clamping plate I and the clamping plate II adopt the L-shaped plates to enable the clamping plate I and the clamping plate II to be close to each other simultaneously, the horizontal sections of the clamping plate I and the clamping plate II extrude the two sides of the upper end of the clamping plate I and the vertical sections of the clamping plate II when the horizontal sections of the clamping plate I and the clamping plate II press down the top of the carriage, the side walls of the upper end and the lower end of the carriage are clamped when the upper end and the lower end of the carriage are clamped, the effect of clamping the carriage is greatly improved, and the stability of the carriage is better in the rotating process.
The process for welding the carriage by adopting the intelligent carriage welding production line comprises the following steps:
step 1: and assembling the carriage to be welded at a carriage assembling and box combining station.
Step 2: and the assembled carriage is conveyed to a carriage welding station through an RGV trolley in the carriage welding circulation device.
And 3, step 3: and the carriage welding station clamps a carriage on the RGV by using the rotary displacement mechanism, and then performs welding operation by using the gantry type robot welding system, and the rotary displacement mechanism automatically adjusts the carriage position according to welding requirements to realize welding at different positions until the whole carriage is completely welded.
And 4, step 4: and the carriage after welding is conveyed to a carriage inspection and repair welding station for inspection of welding quality through an RGV trolley in the carriage welding circulation device, and repair welding operation is performed on welding spots with unqualified welding quality.
And 5: the carriage after the inspection and the repair welding are completed in the carriage inspection and repair welding station is conveyed to a coating line connecting station through the RGV trolley in the carriage welding and circulating device, so that the carriage after the inspection and the repair welding is completed enters the coating line and is directly hung and flowed to a powder spraying line for spraying operation.
The beneficial effects of the invention are:
1. according to the invention, the carriages are assembled through the carriage assembling box-assembling station, the carriages are conveyed to the carriage welding station by using the carriage welding circulation device after the assembling is finished, the carriages to be welded are clamped by the rotary displacement mechanism in the carriage welding station, the inner parts of the carriages are welded by using the gantry type robot welding system in the carriage welding station, after the inner part is welded, the positions of the carriages are adjusted by the rotary displacement mechanism, the robot welding system performs bottom welding on the carriages, after the whole carriage is welded, the carriages are conveyed to the carriage inspection and repair welding station through the carriage welding circulation device to perform welding quality detection and repair welding operation, finally the carriages which are detected and repaired are conveyed to the coating line connecting station through the carriage welding circulation device, subsequent coating operation is directly hung, the welding station realizes that the welding positions in the carriages and the welding positions at which are beneficial to welding by using the rotary displacement mechanism, the gantry type robot welding system can guarantee the accurate positioning of welding points, so that the welding quality is guaranteed, and the carriages are conveyed among the carriages through the welding circulation device, thereby realizing the flow operation, the flow line, the welding efficiency is high, and the welding safety is good.
2. The clamping mechanism in the rotary position changing mechanism clamps or releases the carriage from two sides of the carriage by utilizing the first clamping mechanism and the second clamping mechanism, the first clamping mechanism and the second clamping mechanism in the clamping mechanism are connected with the first jacking plate and the second jacking plate in the jacking mechanism to realize linkage between the clamping mechanism and the jacking mechanism, so that the clamping mechanism can be simultaneously driven to clamp or release when the jacking mechanism ascends or descends, synchronous lifting, clamping and releasing of the carriage are ensured, the two carriages of the first clamping mechanism and the second clamping mechanism synchronously move in opposite directions or in reverse directions when the two carriages are clamped or released, the stress balance of two sides of the carriage can be effectively ensured, the gravity center of the carriage is always positioned on the same vertical plane in the clamping or releasing process, and the condition that the stress of the first connecting rod and the second connecting rod is uneven due to the gravity center offset of the carriage in the clamping process is avoided.
3. According to the invention, the first jacking plate, the second jacking plate, the first clamping plate and the second clamping plate are all L-shaped plates, so that in the process that the first jacking plate and the second jacking plate move in opposite directions when rising, the horizontal sections of the first jacking plate and the second jacking plate support the bottom of a carriage, and the vertical sections of the first jacking plate and the second jacking plate move in opposite directions to clamp the two sides of the lower end of the carriage; the clamping plate I and the clamping plate II adopt the L-shaped plates to enable the clamping plate I and the clamping plate II to be close to each other simultaneously, the horizontal sections of the clamping plate I and the clamping plate II extrude the two sides of the upper end of the clamping plate I and the vertical sections of the clamping plate II when the horizontal sections of the clamping plate I and the clamping plate II press down the top of the carriage, the side walls of the upper end and the lower end of the carriage are clamped when the upper end and the lower end of the carriage are clamped, the effect of clamping the carriage is greatly improved, and the stability of the carriage is better in the rotating process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an intelligent carriage welding production line.
Fig. 2 is a schematic view of the overall structure of a rotary displacement mechanism in an intelligent carriage welding production line.
Fig. 3 is a schematic side view of a rotary indexing mechanism in an intelligent carriage welding line according to the present invention.
Fig. 4 is a schematic structural diagram of a rotary driving part in a rotary displacement mechanism in an intelligent carriage welding production line.
Fig. 5 is a partially enlarged schematic view of a in fig. 2.
In the figure, 1, a carriage assembling and mould assembling station; 2. a carriage welding station; 3. a carriage inspection and repair welding station; 4. a coating line connecting station; 5. a carriage welding circulation device; 6. a carriage; 7. a gantry robot welding system; 8. an RGV trolley; 9. an RGV track; 10. a rotary position changing mechanism; 11. clamping the rail; 12. moving the base; 13. a rotating clamping part; 14. a base; 15. an arc-shaped surface; 16. an arc-shaped chute; 17. a rotating part; 19. an arc-shaped gear ring; 20. mounting grooves; 21. a rotation driving section; 22. a first gear; 23. a drive motor; 24. a worm; 25. a worm gear; 26. a worm gear shaft; 27. a jacking clamping mechanism; 28. a jacking mechanism; 29. a clamping mechanism; 30. jacking a screw rod; 31. a first sliding block; 32. a second sliding block; 33. an X-shaped jacking portion; 34. a first connecting rod; 35. a second connecting rod; 36. a first jacking plate; 37. a second jacking plate; 38. a first clamping mechanism; 39. an X-shaped clamping part; 40. a third connecting rod; 41. a connecting rod IV; 42. a first clamping plate; 43. a second clamping plate; 44. a first rack; 45. a second rack; 46. a clamping mounting seat; 47. a T-shaped slide rail; 48. a T-shaped chute; 49. a fixed support; 50. a tooth portion; 51. a second gear; 52. a second clamping mechanism; 53. a lead screw motor; 54. a supporting seat.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
As shown in fig. 1, an intelligent carriage welding production line comprises a carriage assembling and box assembling station 1, a carriage welding station 2, a carriage inspection and repair welding station 3 and a coating line joining station 4 which are sequentially arranged;
the carriage assembly box-assembling station 1 and the carriage welding station 2, the carriage welding station 2 and the carriage inspection and repair welding station 3, and the carriage inspection and repair welding station 3 and the coating line connecting station 4 are connected through a carriage welding circulation device 5;
the carriage welding station 2 is provided with a rotary displacement mechanism 10 for clamping the carriage 6 and automatically adjusting the position of the carriage 6 according to welding requirements and a gantry type robot welding system 7 for automatically welding different positions of the carriage 6.
The carriage 6 welding circulation device comprises an RGV trolley 8 and an RGV track 9 which is used for being matched with the RGV trolley 8 to circulate and run between a carriage assembling box-combining station 1, a carriage welding station 2, a carriage checking and repair welding station 3 and a coating line connecting station 4.
Further, as shown in fig. 2, the rotary displacement mechanism 10 is composed of two parts, the two parts clamp the carriage 6 from two ends of the carriage 6 to be welded, and the two parts cooperate with the clamping rails 11 to approach or separate from each other.
Further, as shown in fig. 2 and fig. 3, each part includes a movable base 12 matched with the clamping rail 11 and a rotary clamping portion 13 located above the movable base 12, the rotary clamping portion 13 includes a base 14 fixed on the movable base 12 and a rotary portion 17, an arc-shaped surface 15 with an upward opening is provided on the base 14, an arc-shaped sliding slot 16 coaxial with the circumference of the arc-shaped surface 15 is provided on the arc-shaped surface 15, the arc-shaped sliding slot 16 is in sliding fit with two sides of an arc-shaped gear ring 19 on the outer wall of the rotary portion 17, and the arc-shaped gear ring 19 is engaged with a first gear 22 in a rotary driving portion 21 fixed in a bottom mounting groove 20 of the base 14.
Specifically, as shown in fig. 4, the rotation driving part 21 includes a driving motor 23, a worm 24 connected to an output end of the driving motor 23, and a worm wheel 25 engaged with the worm 24, the driving motor 23 is fixed at the bottom of the mounting groove 20, two ends of the worm 24 are connected to the bottom of the mounting groove 20 through a bearing seat, the worm wheel 25 is connected to the first gear 22 through a worm wheel rotating shaft 26, and the worm wheel rotating shaft 26 is connected to the bottom of the mounting groove 20 through a bearing seat.
Further, as shown in fig. 2 and 3, the rotating clamping portion 13 further includes a jacking clamping mechanism 27, the jacking clamping mechanism 27 includes a jacking mechanism 28 and a clamping mechanism 29 fixed on the upper end of the rotating portion 17, the jacking mechanism 28 includes a jacking lead screw 30 horizontally and transversely disposed, the jacking lead screw 30 is a bidirectional lead screw, two ends of the jacking lead screw 30 are respectively connected with a supporting seat 54 on the upper end surface of the rotating portion 17 through a bearing seat, the jacking lead screw 30 is driven by a lead screw motor 53, two ends of the jacking lead screw 30 are respectively provided with a first slider 31 and a second slider 32 which are respectively connected with the jacking lead screw 30 in different rotation directions, the upper ends of the first slider 31 and the second slider 32 are connected through an X-shaped jacking portion 33, the X-shaped jacking portion 33 includes a first connecting rod 34 and a second connecting rod 35, the first connecting rod 34 and the second connecting rod 35 are mutually crossed to form an X shape and the middle portion is rotatably connected, the lower ends of the first connecting rod 34 and the second connecting rod 35 are respectively hinged with the first slider 31 and the second slider 32, and the upper ends of the first connecting rod 34 and the second connecting rod 35 are respectively hinged with a first jacking plate 36 and a second jacking plate 37.
Further, as shown in fig. 2 and 3, the clamping mechanism 29 includes a first clamping mechanism 38 and a second clamping mechanism 52 located on two sides above the jacking mechanism 28, and the first clamping mechanism 38 and the second clamping mechanism 52 are respectively connected with the first jacking plate 36 and the second jacking plate 37 in the jacking mechanism 28.
Specifically, as shown in fig. 3 and 5, the first clamping mechanism 38 and the second clamping mechanism 52 have the same structure and both include an X-shaped clamping portion 39, the X-shaped clamping portion 39 includes a third connecting rod 40 and a fourth connecting rod 41, the third connecting rod 40 and the fourth connecting rod 41 are intersected with each other to form an X shape, the middle portions of the three connecting rods are rotatably connected, one end, close to the carriage 6, of the third connecting rod 40 in the first clamping mechanism 38 is connected with the first lifting plate 36, one end, close to the carriage 6, of the fourth connecting rod 41 in the first clamping mechanism 38 is provided with a first clamping plate 42, and the first clamping plate 42 is located above the first lifting plate 36;
one end, close to the carriage 6, of a connecting rod three 40 in the clamping mechanism two 52 is connected with the jacking plate two 37, one end, close to the carriage 6, of a connecting rod four 41 in the clamping mechanism two 52 is provided with a clamping plate two 43, and the clamping plate two 43 is located above the jacking plate two 37;
one end, far away from the carriage 6, of a third connecting rod 40 in the first clamping mechanism 38 and the second clamping mechanism 52 is connected with a first rack 44, one end, far away from the carriage 6, of a fourth connecting rod 41 in the first clamping mechanism 38 and the second clamping mechanism 52 is connected with a second rack 45, the first rack 44 is installed on one side of the arc-shaped surface 15 of the base 14 through a clamping installation seat 46, a T-shaped sliding rail 47 in sliding fit with the first rack 44 is arranged on the clamping installation seat 46, a T-shaped sliding groove 48 in sliding fit with the T-shaped sliding rail 47 is arranged on one side, opposite to the first rack 44 and the T-shaped sliding rail 47, of the second rack 45 is connected with the clamping installation seat 46 through a fixed support 49, the fixed support 49 is in sliding fit with the second rack 45, the first rack 44 and the second rack 45 are parallel to each other, a tooth portion 50 is arranged on the side, opposite to the first rack 44 and the second rack 45, the tooth portions 50 of the first rack 44 and the second rack 45 are meshed with a second gear 51, and the fixed support 49 is rotatably connected with the fixed support 49.
Further, as shown in fig. 2 and 3, the first lifting plate 36, the second lifting plate 37, the first clamping plate 42 and the second clamping plate 43 are all L-shaped plates, horizontal sections of the first lifting plate 36, the second lifting plate 37, the first clamping plate 42 and the second clamping plate 43 are respectively used for supporting or pressing the upper end or the lower end of the car 6, and vertical sections of the first lifting plate 36, the second lifting plate 37, the first clamping plate 42 and the second clamping plate 43 are respectively used for tightly abutting against the side surface of the car 6.
The process for welding the carriage by adopting the intelligent carriage welding production line comprises the following steps:
step 1: and assembling the carriage 6 to be welded at the carriage assembling and box assembling station 1.
Step 2: and the assembled carriage 6 is conveyed to the carriage welding station 2 through the RGV trolley 8 in the carriage welding circulation device 5.
And step 3: the carriage welding station 2 utilizes the rotary displacement mechanism 10 to clamp the carriage 6 on the RGV trolley 8, then utilizes the gantry type robot welding system 7 to carry out welding operation, and the rotary displacement mechanism 10 automatically adjusts the position of the carriage 6 according to welding requirements to realize welding at different positions until the whole carriage 6 is completely welded.
And 4, step 4: and conveying the welded carriage 6 to a carriage inspection and repair welding station 3 for welding quality inspection through an RGV trolley 8 in the carriage welding circulation device 5, and performing repair welding operation on welding spots with unqualified welding quality.
And 5: the carriage 6 which is inspected and subjected to repair welding in the carriage inspection and repair welding station 3 is conveyed to a coating line connecting station 4 through an RGV trolley 8 in the carriage welding circulation device 5, so that the carriage 6 which is inspected and subjected to repair welding enters a coating line and is directly hung and flowed to a powder spraying line for spraying operation.
Claims (4)
1. The utility model provides an intelligent carriage welding production line which characterized in that: the device comprises a carriage assembling and box assembling station (1), a carriage welding station (2), a carriage checking and repair welding station (3) and a coating line connecting station (4) which are arranged in sequence;
the carriage assembling box-combining station (1) and the carriage welding station (2), the carriage welding station (2) and the carriage checking and repair welding station (3), and the carriage checking and repair welding station (3) and the coating line connecting station (4) are connected through a carriage welding circulation device (5);
the carriage welding station (2) is provided with a rotary position changing mechanism (10) for clamping the carriage (6) and automatically adjusting the position of the carriage (6) according to welding requirements and a gantry type robot welding system (7) for automatically welding different positions of the carriage (6);
the rotary position changing mechanism (10) consists of two parts, the two parts clamp the carriage (6) from two ends of the carriage (6) to be welded respectively, and the two parts are matched with the clamping track (11) respectively to realize mutual approaching or departing;
each part comprises a moving base (12) matched with the clamping track (11) and a rotary clamping part (13) located above the moving base (12), the rotary clamping part (13) comprises a base (14) and a rotating part (17) which are fixed on the moving base (12), an arc-shaped surface (15) with an upward opening is arranged on the base (14), an arc-shaped sliding groove (16) which is coaxial with the circumference where the arc-shaped surface (15) is located is arranged on the arc-shaped surface (15), the arc-shaped sliding groove (16) is in sliding fit with two sides of an arc-shaped gear ring (19) on the outer wall of the rotating part (17), and the arc-shaped gear ring (19) is meshed with a gear I (22) in a rotary driving part (21) fixed in a mounting groove (20) in the bottom of the base (14);
the rotary clamping part (13) also comprises a jacking clamping mechanism (27), the jacking clamping mechanism (27) comprises a jacking mechanism (28) and a clamping mechanism (29) which are fixed at the upper end of the rotating part (17), the jacking mechanism (28) comprises a jacking screw rod (30) which is horizontally and transversely arranged, the jacking screw rod (30) is a bidirectional screw rod, two ends of the jacking screw rod (30) are respectively connected with a supporting seat (54) on the upper end surface of the rotating part (17) through a bearing seat, the jacking screw rod (30) is driven by a screw rod motor (53), a first sliding block (31) and a second sliding block (32) which are in threaded connection with the jacking screw rod (30) in two different directions of rotation are respectively arranged at two ends of the jacking screw rod (30), the upper ends of the first sliding block (31) and the second sliding block (32) are connected through an X-shaped jacking part (33), the X-shaped jacking part (33) comprises a first connecting rod (34) and a second connecting rod (35), the first connecting rod (34) and the second connecting rod (35) are mutually crossed and form an X shape, the middle parts of the connecting rods are rotatably connected, the lower ends of the first connecting rod (34) and the second connecting rod (35) are respectively hinged with the first sliding block (31) and the second sliding block (32), the upper ends of the first connecting rod (34) and the second connecting rod (35) are hinged with the first lifting plate (36) and the second lifting plate (37) respectively;
the clamping mechanism (29) comprises a first clamping mechanism (38) and a second clamping mechanism (52) which are positioned on two sides above the jacking mechanism (28), and the first clamping mechanism (38) and the second clamping mechanism (52) are respectively connected with a first jacking plate (36) and a second jacking plate (37) in the jacking mechanism (28);
the first clamping mechanism (38) and the second clamping mechanism (52) are identical in structure and respectively comprise an X-shaped clamping part (39), the X-shaped clamping part (39) comprises a third connecting rod (40) and a fourth connecting rod (41), the third connecting rod (40) and the fourth connecting rod (41) are mutually crossed and form an X shape, the middle parts of the three connecting rods (40) and the fourth connecting rod (41) are rotatably connected, one end, close to the carriage (6), of the third connecting rod (40) in the first clamping mechanism (38) is connected with the first jacking plate (36), one end, close to the carriage (6), of the fourth connecting rod (41) in the first clamping mechanism (38) is provided with the first clamping plate (42), and the first clamping plate (42) is located above the first jacking plate (36);
one end, close to the carriage (6), of a connecting rod III (40) in the clamping mechanism II (52) is connected with a jacking plate II (37), one end, close to the carriage (6), of a connecting rod IV (41) in the clamping mechanism II (52) is provided with a clamping plate II (43), and the clamping plate II (43) is located above the jacking plate II (37);
one end, far away from a carriage (6), of a connecting rod three (40) in the first clamping mechanism (38) and the second clamping mechanism (52) is connected with a rack I (44), one end, far away from the carriage (6), of a connecting rod four (41) in the first clamping mechanism (38) and the second clamping mechanism (52) is connected with a rack II (45), the rack I (44) is installed on one side of an arc-shaped surface (15) of the base (14) through a clamping installation seat (46), a T-shaped sliding rail (47) in sliding fit with the rack I (44) is arranged on the clamping installation seat (46), a T-shaped sliding groove (48) in sliding fit with the T-shaped sliding rail (47) is arranged on one side, opposite to the rack I (44) and the T-shaped sliding rail (47), the rack II (45) is connected with the clamping installation seat (46) through a fixed support (49), the fixed support (49) is in sliding fit with the rack II (45), the rack I (44) and the rack II (45) are parallel to each other, the side surfaces of teeth of the rack I (44) and the rack II (45) are both provided with a gear (50) and a gear (51);
carriage (6) welding circulation device includes RGV dolly (8) and is used for cooperating RGV dolly (8) to assemble joint-box station (1), carriage welding station (2) in the carriage, carriage inspection and repair welding station (3) and coating line link up RGV track (9) of circulation operation between station (4).
2. The intelligent carriage welding production line of claim 1, wherein: rotatory drive division (21) include driving motor (23), worm (24) be connected with the output of driving motor (23), with worm (24) meshed worm wheel (25), the bottom at mounting groove (20) is fixed in driving motor (23), the both ends of worm (24) are passed through the bearing frame and are connected with the bottom of mounting groove (20), worm wheel (25) are connected with gear (22) through worm wheel pivot (26), worm wheel pivot (26) are connected through the bottom of bearing frame and mounting groove (20).
3. The intelligent carriage welding production line of claim 1, wherein: the lifting plate I (36), the lifting plate II (37), the clamping plate I (42) and the clamping plate II (43) are L-shaped plates, the horizontal sections of the lifting plate I (36), the lifting plate II (37), the clamping plate I (42) and the clamping plate II (43) are respectively used for supporting or pressing the upper end or the lower end of the carriage (6), and the vertical sections of the lifting plate I (36), the lifting plate II (37), the clamping plate I (42) and the clamping plate II (43) are respectively used for abutting against the side face of the carriage (6).
4. The carriage welding process of the intelligent carriage welding production line of any one of claims 1 to 3 is characterized in that: the method comprises the following steps:
step 1: assembling a carriage (6) to be welded at a carriage assembling and box assembling station (1);
step 2: the assembled carriage (6) is conveyed to a carriage welding station (2) through an RGV trolley (8) in the carriage welding circulation device (5);
and step 3: the carriage welding station (2) clamps a carriage (6) on the RGV trolley (8) by using the rotary displacement mechanism (10), then performs welding operation by using the gantry robot welding system (7), and the rotary displacement mechanism (10) automatically adjusts the position of the carriage (6) according to welding requirements to realize welding at different positions until the whole carriage (6) is completely welded;
and 4, step 4: conveying the welded carriage (6) to a carriage inspection and repair welding station (3) for welding quality inspection through an RGV trolley (8) in a carriage welding circulation device (5), and performing repair welding operation on welding spots with unqualified welding quality;
and 5: the carriage (6) after the inspection and the repair welding in the carriage inspection and repair welding station (3) are conveyed to a coating line connecting station (4) through an RGV trolley (8) in the carriage welding and circulating device (5), so that the carriage (6) after the inspection and the repair welding are finished enters a coating line and is directly hung and flowed to a powder spraying line for spraying operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211046346.6A CN115302182B (en) | 2022-08-30 | 2022-08-30 | Intelligent carriage welding production line and welding process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211046346.6A CN115302182B (en) | 2022-08-30 | 2022-08-30 | Intelligent carriage welding production line and welding process |
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| CN115302182A CN115302182A (en) | 2022-11-08 |
| CN115302182B true CN115302182B (en) | 2023-04-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10589371B2 (en) * | 2013-05-23 | 2020-03-17 | Crc-Evans Pipeline International, Inc. | Rotating welding system and methods |
| CN208262344U (en) * | 2018-05-28 | 2018-12-21 | 厦门鸿屿智能科技有限公司 | Tubular products embraces folder rotating mechanism |
| CN114248031A (en) * | 2020-09-25 | 2022-03-29 | 山东华耀汽车配件有限公司 | Semi-trailer carriage plate production line |
| CN112719586A (en) * | 2020-12-18 | 2021-04-30 | 柳州工学院 | Laser processing platform of automobile parts |
| CN113084918A (en) * | 2021-04-01 | 2021-07-09 | 赖荣海 | Wrapping paper cuts garbage collection device |
| CN216097274U (en) * | 2021-08-23 | 2022-03-22 | 河北先行者机器人科技有限公司 | Turning device for welding steel structural part |
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