CN107553020B - Automobile floor welding production line - Google Patents
Automobile floor welding production line Download PDFInfo
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- CN107553020B CN107553020B CN201710829606.XA CN201710829606A CN107553020B CN 107553020 B CN107553020 B CN 107553020B CN 201710829606 A CN201710829606 A CN 201710829606A CN 107553020 B CN107553020 B CN 107553020B
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- 238000003466 welding Methods 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims description 60
- 238000001816 cooling Methods 0.000 claims description 36
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention provides an automobile floor welding production line, and belongs to the technical field of machinery. The automobile floor welding production line is characterized in that a first base, a second base, a third base and a plurality of auxiliary bases are fixedly arranged on the rack, a first slide rail and a second slide rail are fixedly arranged on the first base, the second base, the third base and the plurality of auxiliary bases, and the first slide rail and the second slide rail are parallel to each other; the first sliding rail and the second sliding rail are correspondingly provided with a first sliding bar and a second sliding bar. The invention has the advantage of high-efficiency automatic welding of part of automobile floors.
Description
Technical Field
The invention belongs to the technical field of machinery, in particular to an automobile floor welding production line.
Background
The annual world automobile yield has been measured in thousands of vehicles, tens of thousands of vehicles, and tens of thousands of vehicles later, since the 20 th century, up to about 4249 thousands of vehicles in 1978. The automotive industry has become the largest manufacturing industry worldwide. In the 80 s, 6 of the 20 largest industrial enterprises in the world are automobile manufacturing companies. In 1980, the world-wide vehicles had a holding of about 3.35 hundred million cars, with 2.65 hundred million cars and 7000 ten thousand freight cars and passenger cars. The production and use of automobiles are widely related. In the 70 s, more than 20 automobile companies with the largest standard in the world have about 500 thousands of workers, and the workers related to automobiles, such as drivers, repair technicians, sales promoters, gas station workers, and the like, have about 2500 thousands of workers. In the united states, at 60 s, 1 person is related to automobiles every 7 workers nationwide, including highway transportation systems and oil, rubber, etc. enterprises, 1/6 are related to automobile manufacture, sales, service, and use. 36% of steel strip produced in 70 s, 44% of cold-rolled steel sheet, 43% of lead, 61% of zinc and 62% of synthetic rubber are used for the production and maintenance of automobiles. 1/7 of the total national economic income is related to automobiles. The number of cars produced in 1978 was about 3500 ten thousand in 7 countries such as united states, english, law, federal germany, daily, ideas, and canada.
At present, the vehicles have been driven into the life of most people and families, the popularization of the vehicles also drives the development of a series of automobile industries, and an efficient and automatic automobile production line also becomes a constant research and development direction and aim of the automobile industry. Automobile floor welding is also one of the most important links in automobile production.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides an automobile floor welding production line, which solves the problems that: how to automatically weld part of the automobile floor with high efficiency.
The aim of the invention can be achieved by the following technical scheme: the automobile floor welding production line comprises a frame and is characterized in that a first base, a second base, a third base and a plurality of auxiliary bases are fixedly arranged on the frame, and a first slide rail and a second slide rail are fixedly arranged on the first base, the second base, the third base and the plurality of auxiliary bases and are parallel to each other; the first sliding rail and the second sliding rail are correspondingly provided with a first sliding bar and a second sliding bar; a plurality of auxiliary rollers I are arranged between the first sliding rail and the first sliding strip, and a plurality of auxiliary rollers II are arranged between the second sliding rail and the second sliding strip; the first sliding strip is fixedly provided with a plurality of first fixed group posts, and the second sliding strip is fixedly provided with a plurality of second fixed group posts; the middle parts of the first slide bar and the second slide bar are connected with a driving mechanism with the back and forth movement of the first slide bar and the second slide bar; a mechanical top seat is arranged above the first slide bar and the second slide bar, and a grabbing mechanism I for taking and placing the floor, a welding mechanism for welding and a grabbing mechanism II for carrying the floor are sequentially arranged on the mechanical top seat; a cooling device for cooling is arranged between the welding mechanism and the grabbing mechanism II, and a plurality of lifting devices for lifting the floor are arranged between the sliding rail I and the sliding rail II.
The working principle of the invention is as follows: the method comprises the steps that an automobile floor to be welded is placed on a first fixed group column and a second fixed group column on a first slide bar and a second slide bar through a first grabbing mechanism, the automobile floor is fixed, a driving mechanism is started, the automobile floor is conveyed to the next working position, a lifting device is started, the automobile floor is lifted to a preset height, the automobile floor is separated from the first fixed group column and the second fixed group column, the driving mechanism is started again, the first slide bar and the second slide bar return to the initial positions, a new automobile floor is placed on the first fixed group column and the second fixed group column through the grabbing mechanism again, the automobile floor is continuously conveyed forwards in a circulating mode, when the automobile floor passes through the welding mechanism, parts to be welded are welded, the parts are conveyed into a cooling device to be cooled after the welding is finished, and finally the welded floor is taken down and conveyed into other equipment through the second grabbing mechanism. And (5) full-automatic production. And the welding is accurate.
A plurality of first fixing seats are fixedly arranged on one side of the first sliding rail, a plurality of second fixing seats are fixedly arranged at corresponding positions on the other side of the first sliding rail, positioning guide wheels are arranged on the first fixing seats, and positioning guide wheels are arranged on the second fixing seats; a plurality of fixing seats III are fixedly arranged on one side of the sliding rail II, a plurality of fixing seats IV are fixedly arranged at corresponding positions of the other side of the sliding rail II, positioning guide wheels III are arranged on the fixing seats I, and positioning guide wheels IV are arranged on the fixing seats II. The first positioning guide wheel, the second positioning guide wheel, the third positioning guide wheel and the fourth positioning guide wheel ensure that the first slide bar and the second slide bar can only move back and forth, and simultaneously reduce the friction force of movement.
The auxiliary roller I is fixed on the fixed seat I in a mode of circumferential rotation and axial arrangement, and the auxiliary roller II is fixed on the fixed seat III in a mode of circumferential rotation and axial arrangement.
The thickness of the two ends of the first slide bar and the second slide bar is smaller than that of the middle part. The thickness at both ends is less than the thickness of the middle part, so that the first slide bar and the second slide bar can be guaranteed to move back and forth until the first slide bar and the second slide bar can not collide with the first positioning guide wheel, the second positioning guide wheel, the third positioning guide wheel and the fourth positioning guide wheel, and the service life of the machine is influenced.
The first limiting block is fixedly arranged at one end of the first sliding strip and one end of the second sliding strip, and the second limiting block is fixedly arranged at the other end of the first sliding strip and the other end of the second sliding strip.
The upper parts of the first limiting block and the second limiting block are respectively provided with an inclined surface.
The base I and the base II are respectively provided with a limiting mechanism for limiting the movement of the first slide bar and the second slide bar, the limiting mechanisms comprise a fixing seat V, an air cylinder, a limiting buckle and an elastic strut, the fixing seat V is provided with a circular groove, and the elastic strut is fixedly arranged in the groove of the fixing seat V; the first hinge part is fixedly arranged on the air cylinder, the second hinge part is fixedly arranged at the end part of the output shaft of the air cylinder, and the air cylinder is hinged on the fifth fixed seat; the limiting buckle is hinged on the fixing seat five, and the output shaft of the air cylinder is hinged with the limiting buckle. The arrangement of the first limiting block and the second limiting block can ensure that the first sliding bar and the second sliding bar are tightly buckled when moving to the extreme end, no deviation of any position exists, and the requirement precision is high when the automobile floor is manufactured, so that the first limiting block and the second limiting block are required to be mutually matched and fixed. When the first slide bar and the second slide bar move to the tail end, the first limit block and the second limit block on the first slide bar and the second slide bar enter into the limit buckle, the first slide bar and the second slide bar stop moving until the limit buckle is required to be pushed out, the air cylinder is started, the limit buckle net is lifted, and the first slide bar and the second slide bar exit from the limit buckle. The arrangement of the elastic support column effectively slows down the hard collision between metals.
The limiting buckle is provided with a roller. The roller can roll from the inclined planes on the first limiting block and the second limiting block, and the mechanical damage can be avoided in the process of fastening the movement.
The driving mechanism comprises a motor, a speed reducer, a rotating rod, a first gear and a second gear, wherein the motor is fixed on the second base, an output shaft of the motor is horizontally arranged, one end of the speed reducer is connected with an output shaft of the motor, the other end of the speed reducer is connected with the rotating rod, the first gear and the second gear are coaxially fixed on a rotating shaft, the first gear and the second gear are provided with first teeth under the sliding strip, the second gear is provided with second teeth under the sliding strip, the first gear is meshed with the first teeth on the first sliding strip, and the second gear is meshed with the second teeth under the sliding strip. The motor is started, the output shaft of the motor starts to rotate, the output shaft of the motor rotates to drive one end of the speed reducer to rotate, the other end of the speed reducer drives the rotating rod to rotate, the rotating rod rotates to drive the first gear and the second gear to rotate, and the first gear and the second gear rotate to drive the first slide bar and the second slide bar to move. The first slide bar and the second slide bar move back and forth through the positive and negative rotation of the motor.
The grabbing mechanism I comprises a mechanical arm base I, a hydraulic cylinder II and a plurality of mechanical arms I, wherein the hydraulic cylinder I and the hydraulic cylinder II are fixed on a mechanical top seat, piston rods of the hydraulic cylinder I and the hydraulic cylinder II are vertically downward, the mechanical arm base I is fixed at the end part of the piston rod, and the mechanical arm I is fixed at the lower part of the mechanical arm base II. The first hydraulic cylinder and the second hydraulic cylinder are used for controlling the mechanical arm to move up and down.
The mechanical arm I is provided with a pressure sensor I. The first pressure sensor can control the grabbing force of the first mechanical arm, so that damage can not be caused during grabbing.
The grabbing mechanism II comprises a mechanical arm base II, a hydraulic cylinder III, a hydraulic cylinder IV and a plurality of mechanical arms II, wherein the hydraulic cylinder III and the hydraulic cylinder IV are fixed on a mechanical top seat, piston rods of the hydraulic cylinder III and the hydraulic cylinder IV are vertically downward, the mechanical arm base II is fixed at the end part of the piston rod, and the mechanical arm II is fixed at the lower part of the mechanical arm base II.
And a second pressure sensor is arranged on the second mechanical arm.
The mechanical arm I and the mechanical arm II are the same parts, the hydraulic support rods are arranged in the middle parts, the controller is fixedly arranged on the frame, and the pressure sensor I and the pressure sensor II are connected with the controller through the controller.
The welding mechanism comprises a welding base, a hydraulic cylinder five and a hydraulic cylinder six, wherein the hydraulic cylinder five and the hydraulic cylinder six are fixed under a mechanical top seat, piston rods of the hydraulic cylinder five and the hydraulic cylinder six are vertically downward, the welding base is fixed at the end parts of the piston rods of the hydraulic cylinder five and the hydraulic cylinder six, and a plurality of welding stations I and a plurality of part clamping stations are fixedly arranged on the welding base. The arrangement of a plurality of welding stations and a plurality of part clamping stations can simultaneously process a plurality of positions of the automobile floor, so that the working efficiency is improved.
The cooling device comprises a cooling box and a cold air device, wherein the cooling box is fixed on the frame, one end of the cooling box is provided with an inlet, the other end of the cooling box is provided with an outlet at a corresponding position, and the first slide rail, the second slide rail, the first slide bar and the second slide bar penetrate through the inlet and penetrate out of the outlet; the air cooler is fixed at the top of the cooling box. The automobile is welded, and the temperature of the welding position is higher, and the temperature can be effectively reduced by sending the automobile into the cooling box.
One side of the cooling box is provided with a plurality of air outlet holes.
The lifting device comprises a lifting bottom plate I, a lifting bottom plate II, a lifting frame I, a lifting frame II, a hydraulic rod I and a hydraulic rod II, wherein a group hole I is formed in the lifting bottom plate I, a group hole II is formed in the lifting floor II, the lifting bottom plate I is connected with the lifting floor II through a fixing support rod, and two ends of the fixing support rod are respectively fixed on the group hole I and the group Kong Ershang through bolts; the lifting bottom plate I and the lifting floor II are arranged between the sliding rail I and the sliding rail II, the lifting bottom plate I is fixed on the inner wall of the sliding rail I, and the sliding rail II is fixed on the inner wall of the sliding rail II; the first lifting frame is fixed on the first lifting bottom plate through a first hydraulic rod, the second lifting frame is fixed on the second lifting bottom plate through a second hydraulic rod, and a plurality of supporting blocks are arranged on the first lifting frame and the second lifting frame. The heights of the first lifting frame and the second lifting frame are controlled through the first hydraulic rod and the second hydraulic rod.
A plurality of positioning lifting rods I are arranged between the lifting bottom plate I and the lifting frame I; a plurality of positioning lifting rods II are arranged between the lifting bottom plate II and the lifting frame II. The first positioning lifting rod and the second positioning lifting rod can ensure that no position deviation can be generated in the lifting process.
The supporting block is provided with a rubber pad.
And a plurality of second welding stations are arranged on the first lifting frame and the second lifting frame.
Compared with the prior art, the invention has the following advantages:
1. The production line has higher automation and production efficiency. And a plurality of stations are used for processing simultaneously, and welding is accurate.
2. The arrangement of the first limiting block and the second limiting block can ensure that the first sliding bar and the second sliding bar are tightly buckled when moving to the extreme end, no deviation of any position exists, the idler wheel can roll from the inclined surfaces on the first limiting block and the second limiting block, and damage to machinery cannot be caused in the moving and buckling process.
3. The automobile is welded, and the temperature of the welding position is higher, and the temperature can be effectively reduced by sending the automobile into the cooling box. So that the welding part is quickly coagulated and the firmness is improved.
Drawings
FIG. 1 is an automotive floor welding line.
Fig. 2 is a top view of an automotive floor welding line.
Fig. 3 is a schematic view of a first slider and a second slider.
Fig. 4 is a schematic view of a spacing mechanism.
Fig. 5 is a schematic view of a drive mechanism.
Fig. 6 is a schematic view of a welding mechanism.
Fig. 7 is a schematic view of a lifting device.
In the figure, 1, a rack; 2. a first base; 3. a second base; 4. a base III; 5. an auxiliary base; 6. a first slide rail; 7. a second slide rail; 8. a first slide bar; 9. a second slide bar; 10. an auxiliary roller I; 10a, an auxiliary roller II; 11. fixing the first group of columns; 11a, fixing a group column II; 12. a lifting device; 13. a first fixing seat; 13a, a second fixing seat; 14. positioning a first guide wheel; 14a, positioning a guide wheel II; 15. a fixing seat III; 15a, a fixing seat IV; 16. positioning a guide wheel III; 16a, positioning guide wheels IV; 17. a first limiting block; 18. a second limiting block; 19. a fifth fixing seat; 20. a cylinder; 21. a limit button; 22. an elastic support; 23. a roller; 24. a motor; 25. a speed reducer; 26. a rotating lever; 27. a first gear; 28. a second gear; 29. tooth one; 30. teeth II; 31. a first mechanical arm base; 32. a first hydraulic cylinder; 33. a second hydraulic cylinder; 34. a mechanical arm I; 35. welding a base; 36. a cooling box; 37. lifting the first bottom plate; 38. lifting the second bottom plate; 39. a lifting frame I; 40. a lifting frame II; 41. a first hydraulic rod; 42. a second hydraulic rod; 43. positioning a lifting rod I; 44. and positioning a lifting rod II.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the automobile floor welding production line comprises a frame 1, wherein a first base 2, a second base 3, a third base 4 and a plurality of auxiliary bases 5 are fixedly arranged on the frame 1, a first slide rail 6 and a second slide rail 7 are fixedly arranged on the first base 2, the second base 3, the third base 4 and the plurality of auxiliary bases 5, and the first slide rail 6 and the second slide rail 7 are parallel to each other; the slide rail I6 and the slide rail II 7 are correspondingly provided with a slide bar I8 and a slide bar II 9; a plurality of auxiliary rollers 23I 10 are arranged between the first slide rail 6 and the first slide bar 8, and a plurality of auxiliary rollers 23 II 10a are arranged between the second slide rail 7 and the second slide bar 9; a plurality of fixed group posts 11 are fixedly arranged on the first slide bar 8, and a plurality of fixed group posts 11a are fixedly arranged on the second slide bar 9; the middle parts of the first slide bar 8 and the second slide bar 9 are connected with a driving mechanism with the back and forth movement of the first slide bar and the second slide bar; a mechanical top seat is arranged above the first slide bar 8 and the second slide bar 9, and a first grabbing mechanism for picking and placing the floor, a welding mechanism for welding and a second grabbing mechanism for carrying the floor are sequentially arranged on the mechanical top seat; a cooling device for cooling is arranged between the welding mechanism and the grabbing mechanism II, and a plurality of lifting devices 12 for lifting the floor are arranged between the first slide rail 6 and the second slide rail 7.
As shown in fig. 3, a plurality of first fixing seats 13 are fixedly arranged on one side of the first sliding rail 6, the number of the first fixing seats 13 is twenty-five, a plurality of second fixing seats 13a are fixedly arranged at corresponding positions on the other side, the number of the second fixing seats 13a is twenty-five, a first positioning guide wheel 14 is arranged on the first fixing seat 13, and a second positioning guide wheel 14a is arranged on the second fixing seats 13 a; a plurality of fixing seats III 15 are fixedly arranged on one side of the sliding rail II 7, the number of the fixing seats III 15 is twenty-five, a plurality of fixing seats IV 15a are fixedly arranged at corresponding positions of the other side, the number of the fixing seats IV 15a is twenty-five, positioning guide wheels III 16 are respectively arranged on the fixing seats I13, and positioning guide wheels IV 16a are respectively arranged on the fixing seats II 13 a. The first positioning guide wheel 14, the second positioning guide wheel 14a, the third positioning guide wheel 16 and the fourth positioning guide wheel 16a ensure that the first slide bar 8 and the second slide bar 9 can only move back and forth, and simultaneously reduce the friction force of movement.
The auxiliary roller 23A 10 is fixed on the first fixed seat 13 in a circumferential rotation and axial arrangement mode, and the auxiliary roller 23B 10a is fixed on the third fixed seat 15 in a circumferential rotation and axial arrangement mode.
The thickness of the two ends of the first slide bar 8 and the second slide bar 9 is smaller than that of the middle part. The thickness of the two ends is smaller than that of the middle part, so that the first slide bar 8 and the second slide bar 9 can be guaranteed to move back and forth until the first slide bar and the second slide bar can not collide with the first positioning guide wheel 14, the second positioning guide wheel 14a, the third positioning guide wheel 16 and the fourth positioning guide wheel 16a, and the service life of the machine is influenced.
One end of the first sliding bar 8 and one end of the second sliding bar 9 are fixedly provided with a first limiting block 17, and the other ends of the first sliding bar 8 and the second sliding bar 9 are fixedly provided with a second limiting block 18.
The upper parts of the first limiting block 17 and the second limiting block 18 are respectively provided with an inclined surface.
As shown in fig. 4, the first base 2 and the second base 3 are provided with four limiting mechanisms for limiting the movement of the first slide bar 8 and the second slide bar 9, the four limiting mechanisms are respectively arranged at two ends of the first slide bar 8 and the second slide bar 9, the two limiting mechanisms are positioned on the first base 2, the two limiting mechanisms are positioned on the third base 4, the mechanisms comprise a fifth fixed seat 19, an air cylinder 20, a limiting buckle 21 and an elastic strut 22, the fifth fixed seat 19 is provided with a circular groove, and the elastic strut 22 is fixedly arranged in the groove of the fifth fixed seat 19; the first hinging piece is fixedly arranged on the air cylinder 20, the second hinging piece is fixedly arranged at the end part of the output shaft of the air cylinder 20, and the air cylinder 20 is hinged on the fifth fixing seat 19; the limiting buckle 21 is hinged on the fixing seat five 19, and an output shaft of the air cylinder 20 is hinged with the limiting buckle 21. The arrangement of the first limiting block 17 and the second limiting block 18 can ensure that the first sliding bar 8 and the second sliding bar 9 are tightly buckled when moving to the extreme end, no deviation of any position exists, and the requirement precision is high when the automobile floor is manufactured, so that the limiting buckle 21, the first limiting block 17 and the second limiting block 18 are required to be mutually matched and fixed. When the first slide bar 8 and the second slide bar 9 move to the tail end, the first limit block 17 and the second limit block 18 on the first slide bar 8 and the second slide bar 9 enter the limit buckle 21, the first slide bar 8 and the second slide bar 9 stop moving until the limit buckle 21 is pushed out, the air cylinder 20 is started, the limit buckle 21 is lifted up on the net, and the first slide bar 8 and the second slide bar 9 are withdrawn from the limit buckle 21. The provision of the resilient struts 22 effectively slows down hard collisions from metal to metal.
The limiting buckle 21 is provided with a roller 23. The roller 23 can roll from the inclined surfaces on the first limiting block 17 and the second limiting block 18, and the machine is not damaged in the process of fastening the movement.
As shown in fig. 4, the driving mechanism includes a motor 24, a speed reducer 25, a rotating rod 26, a first gear 27 and a second gear 28, the motor 24 is fixed on the second base 3, an output shaft of the motor 24 is horizontally arranged, one end of the speed reducer 25 is connected with the output shaft of the motor 24, the other end of the speed reducer is connected with the rotating rod 26, the first gear 27 and the second gear 28 are coaxially fixed on the rotating shaft, a first tooth 29 is provided under the first slide bar 8, a second tooth 30 is provided under the second slide bar 9, the first gear 27 is meshed with the first tooth 29 on the first slide bar 8, and the second gear 28 is meshed with the second tooth 30 under the second slide bar 9. The motor 24 is started, the output shaft of the motor 24 starts to rotate, the output shaft of the motor 24 rotates to drive one end of the speed reducer 25 to rotate, the other end of the speed reducer 25 drives the rotating rod 26 to rotate, the rotating rod 26 rotates to drive the first gear 27 and the second gear 28 to rotate, and the first gear 27 and the second gear 28 rotate to drive the first slide bar 8 and the second slide bar 9 to move. The first slide 8 and the second slide 9 are moved back and forth by the forward and reverse rotation of the motor 24.
The first grabbing mechanism comprises a first mechanical arm base 31, a first hydraulic cylinder 32, a second hydraulic cylinder 33 and a plurality of first mechanical arms 34, wherein the first hydraulic cylinder 32 and the second hydraulic cylinder 33 are fixed on a mechanical top seat, piston rods of the first hydraulic cylinder 32 and the second hydraulic cylinder 33 are vertically downward, the first mechanical arm base 31 is fixed at the end part of the piston rod, and the first mechanical arm 34 is fixed at the lower part of the second mechanical arm base 3. The first arm 34 is moved up and down by the first hydraulic cylinder 32 and the second hydraulic cylinder 33.
The first mechanical arm 34 is provided with a first pressure sensor. The first pressure sensor can control the grabbing force of the first mechanical arm 34, so that damage can not be caused during grabbing.
The grabbing mechanism II comprises a mechanical arm base II, a hydraulic cylinder III, a hydraulic cylinder IV and a plurality of mechanical arms II, wherein the hydraulic cylinder III and the hydraulic cylinder IV are fixed on a mechanical top seat, piston rods of the hydraulic cylinder III and the hydraulic cylinder IV are vertically downward, the mechanical arm base II is fixed at the end part of the piston rod, and the mechanical arm II is fixed at the lower part of the mechanical arm base II.
The first grabbing mechanism is the same as the second grabbing mechanism.
And a second pressure sensor is arranged on the second mechanical arm.
The mechanical arm I34 and the mechanical arm II are the same parts, the hydraulic support rods are arranged in the middle parts, the controller is fixedly arranged on the frame, and the pressure sensor I and the pressure sensor II are connected with the controller through the controller.
As shown in fig. 6, the welding mechanism includes a welding base 35, a hydraulic cylinder five and a hydraulic cylinder six, the hydraulic cylinder five and the hydraulic cylinder six are fixed under the mechanical top seat, the piston rods of the hydraulic cylinder five and the hydraulic cylinder six are vertically downward, the welding base 35 is fixed at the end parts of the piston rods of the hydraulic cylinder five and the hydraulic cylinder six, and a plurality of welding stations, namely a plurality of part clamping stations, are fixedly arranged on the welding base 35. In this embodiment, the number of welding stations one is ten, and the number of part gripping stations is ten. The arrangement of a plurality of welding stations and a plurality of part clamping stations can simultaneously process a plurality of positions of the automobile floor, so that the working efficiency is improved.
The cooling device comprises a cooling box 36 and a cold air blower, wherein the cooling box 36 is fixed on the frame 1, an inlet is formed in one end of the cooling box 36, an outlet is formed in the other end of the cooling box at a corresponding position, and a first slide rail 6, a second slide rail 7, a first slide bar 8 and a second slide bar 9 penetrate through the inlet and penetrate out of the outlet; the air cooler is fixed on top of the cooling box 36. When the welding is completed, the temperature of the welding position is high, and the temperature can be effectively reduced by feeding the automobile into the cooling box 36.
One side of the cooling box 36 is provided with a plurality of air outlet holes.
As shown in fig. 7, the lifting device 12 includes a first lifting bottom plate 37, a second lifting bottom plate 38, a first lifting frame 39, a second lifting frame 40, a first hydraulic rod 41 and a second hydraulic rod 42, a first group hole is formed in the first lifting bottom plate 37, a second group hole is formed in the second lifting floor, the first lifting bottom plate 37 is connected with the second lifting floor through a fixing support rod, and two ends of the fixing support rod are respectively fixed on the first group hole and the second group Kong Ershang through bolts; the lifting bottom plate I37 and the lifting floor II are arranged between the sliding rail I6 and the sliding rail II 7, the lifting bottom plate I37 is fixed on the inner wall of the sliding rail I6, and the sliding rail II 7 is fixed on the inner wall of the sliding rail II 7; the first lifting frame 39 is fixed on the first lifting base plate 37 through a first hydraulic rod 41, the second lifting frame 40 is fixed on the second lifting base plate 38 through a second hydraulic rod 42, and a plurality of supporting blocks are arranged on the first lifting frame 39 and the second lifting frame 40. The heights of the first 39 and second 40 lifters are controlled by the first 41 and second 42 hydraulic levers.
A plurality of positioning lifting rods one 43 are arranged between the lifting bottom plate one 37 and the lifting frame one 39, and the number of the positioning lifting rods one 43 is two in the embodiment; a plurality of positioning lifting rods two 44 are arranged between the lifting bottom plate two 38 and the lifting frame two 40, and in the embodiment, the number of the positioning lifting rods two 44 is two. The first positioning lifting rod 43 and the second positioning lifting rod 44 can ensure that no position deviation is generated in the lifting process.
The supporting block is provided with a rubber pad.
A plurality of second welding stations are provided on the first 39 and second 40 lifters. In this embodiment, the number of welding stations two is six.
The working principle of the invention is as follows: the method comprises the steps that an automobile floor to be welded is placed on a first fixing group column 11 and a second fixing group column 11a on a first sliding bar 8 and a second sliding bar 9 through a first grabbing mechanism, the automobile floor is fixed, a driving mechanism is started, the automobile floor is conveyed to a next working position, a lifting device 12 is started, the automobile floor is lifted to a preset height, the automobile floor is separated from the first fixing group column 11 and the second fixing group column 11a, the driving mechanism is started again, the first sliding bar 8 and the second sliding bar 9 return to the initial positions, a new automobile floor is placed on the first fixing group column 11 and the second fixing group column 11a through the grabbing mechanism again, the automobile floor is circulated in such a way, the automobile floor is continuously conveyed forwards, when the automobile floor passes through the welding mechanism, parts to be welded are welded, conveyed into a cooling device for cooling after the welding is finished, and finally the floor after the welding is removed through the second grabbing mechanism and conveyed into other equipment. The production line is full-automatic in production and accurate in welding.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although 1, rack is used more herein; 2. a first base; 3. a second base; 4. a base III; 5. an auxiliary base; 6. a first slide rail; 7. a second slide rail; 8. a first slide bar; 9. a second slide bar; 10. an auxiliary roller I; 10a, an auxiliary roller II; 11. fixing the first group of columns; 11a, fixing a group column II; 12. a lifting device; 13. a first fixing seat; 13a, a second fixing seat; 14. positioning a first guide wheel; 14a, positioning a guide wheel II; 15. a fixing seat III; 15a, a fixing seat IV; 16. positioning a guide wheel III; 16a, positioning guide wheels IV; 17. a first limiting block; 18. a second limiting block; 19. a fifth fixing seat; 20. a cylinder; 21. a limit button; 22. an elastic support; 23. a roller; 24. a motor; 25. a speed reducer; 26. a rotating lever; 27. a first gear; 28. a second gear; 29. tooth one; 30. teeth II; 31. a first mechanical arm base; 32. a first hydraulic cylinder; 33. a second hydraulic cylinder; 34. a mechanical arm I; 35. welding a base; 36. a cooling box; 37. lifting the first bottom plate; 38. lifting the second bottom plate; 39. a lifting frame I; 40. a lifting frame II; 41. a first hydraulic rod; 42. a second hydraulic rod; 43. positioning a lifting rod I; 44. locating the lifter bar, etc. does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (7)
1. The automobile floor welding production line comprises a frame and is characterized in that a first base, a second base, a third base and a plurality of auxiliary bases are fixedly arranged on the frame, and a first slide rail and a second slide rail are fixedly arranged on the first base, the second base, the third base and the plurality of auxiliary bases and are parallel to each other; the first sliding rail and the second sliding rail are correspondingly provided with a first sliding bar and a second sliding bar; a plurality of auxiliary rollers I are arranged between the first sliding rail and the first sliding strip, and a plurality of auxiliary rollers II are arranged between the second sliding rail and the second sliding strip; the first sliding strip is fixedly provided with a plurality of first fixed group posts, and the second sliding strip is fixedly provided with a plurality of second fixed group posts; the middle parts of the first slide bar and the second slide bar are connected with a driving mechanism with the back and forth movement of the first slide bar and the second slide bar; a mechanical base is arranged above the first slide bar and the second slide bar, and a first grabbing mechanism for picking and placing the floor, a welding mechanism for welding and a second grabbing mechanism for carrying the floor are sequentially arranged on the mechanical base; a cooling device for cooling is arranged between the welding mechanism and the grabbing mechanism II, and a plurality of lifting devices for lifting the floor are also arranged between the first sliding rail and the second sliding rail; the first limiting block is fixedly arranged at one end of the first sliding strip and one end of the second sliding strip, and the second limiting block is fixedly arranged at the other end of the first sliding strip and the other end of the second sliding strip; the base I and the base II are respectively provided with a limiting mechanism for limiting the movement of the first slide bar and the second slide bar, the limiting mechanisms comprise a fixing seat V, an air cylinder, a limiting buckle and an elastic strut, the fixing seat V is provided with a circular groove, and the elastic strut is fixedly arranged in the groove of the fixing seat V; the first hinge part is fixedly arranged on the air cylinder, the second hinge part is fixedly arranged at the end part of the output shaft of the air cylinder, and the air cylinder is hinged on the fifth fixed seat; the limiting buckle is hinged on the fifth fixed seat, and an output shaft of the air cylinder is hinged with the limiting buckle; the lifting device comprises a lifting bottom plate I, a lifting bottom plate II, a lifting frame I, a lifting frame II, a hydraulic rod I and a hydraulic rod II, wherein a group hole I is formed in the lifting bottom plate I, a group hole II is formed in the lifting bottom plate II, the lifting bottom plate I is connected with the lifting bottom plate II through a fixing support rod, and two ends of the fixing support rod are respectively fixed on the group hole I and the group Kong Ershang through bolts; the first lifting bottom plate and the second lifting bottom plate are arranged between the first sliding rail and the second sliding rail, the first lifting bottom plate is fixed on the inner wall of the first sliding rail, and the second lifting bottom plate is fixed on the inner wall of the second sliding rail; the first lifting frame is fixed on the first lifting bottom plate through a first hydraulic rod, the second lifting frame is fixed on the second lifting bottom plate through a second hydraulic rod, and a plurality of supporting blocks are arranged on the first lifting frame and the second lifting frame; a plurality of positioning lifting rods I are arranged between the lifting bottom plate I and the lifting frame I; a plurality of positioning lifting rods II are arranged between the lifting bottom plate II and the lifting frame II; during welding, the automobile floor to be welded is placed on the first fixed group posts and the second fixed group posts on the first slide bar and the second slide bar through the first grabbing mechanism, the automobile floor is fixed, then the driving mechanism is started, the automobile floor is conveyed to the next working position, then the lifting device is started, the automobile floor is lifted to a preset height, the automobile floor is separated from the first fixed group posts and the second fixed group posts, then the driving mechanism is started again, the first slide bar and the second slide bar return to the initial positions, and a new automobile floor is placed on the first fixed group posts and the second fixed group posts through the grabbing mechanism again, and is circulated in such a way, the automobile floor is continuously conveyed forwards when passing through the welding mechanism, and welding parts to be welded, conveying the welded parts into a cooling device for cooling after the welding, and finally taking down the welded floor through a grabbing mechanism II and conveying the welded floor into other equipment.
2. The welding production line of the automobile floor according to claim 1, wherein a plurality of first fixing seats are fixedly arranged on one side of the first sliding rail, a plurality of second fixing seats are fixedly arranged at corresponding positions on the other side of the first sliding rail, a first positioning guide wheel is arranged on the first fixing seats, and a second positioning guide wheel is arranged on the second fixing seats; a plurality of fixing seats III are fixedly arranged on one side of the sliding rail II, a plurality of fixing seats IV are fixedly arranged at corresponding positions of the other side of the sliding rail II, positioning guide wheels III are arranged on the fixing seats III, and positioning guide wheels IV are arranged on the fixing seats IV.
3. The welding line for automobile floors according to claim 1 or 2, wherein the first auxiliary roller is fixed to the first fixing seat in a manner of circumferential rotation and axial arrangement, and the second auxiliary roller is fixed to the third fixing seat in a manner of circumferential rotation and axial arrangement.
4. The welding production line for automobile floors of claim 1, wherein the limit button is provided with rollers.
5. The automobile floor welding production line according to claim 1, wherein the driving mechanism comprises a motor, a speed reducer, a rotating rod, a first gear and a second gear, the motor is fixed on the second base, an output shaft of the motor is horizontally arranged, one end of the speed reducer is connected with the output shaft of the motor, the other end of the speed reducer is connected with the rotating rod, the first gear and the second gear are coaxially fixed on the rotating rod, a first tooth is arranged below the sliding strip, a second tooth is arranged below the sliding strip, the first gear is meshed with the first tooth on the sliding strip, and the second gear is meshed with the second tooth below the sliding strip.
6. The vehicle floor welding production line according to claim 1, wherein the first grabbing mechanism comprises a first mechanical arm base, a first hydraulic cylinder, a second hydraulic cylinder and a plurality of first mechanical arms, the first hydraulic cylinder and the second hydraulic cylinder are fixed on the mechanical base, piston rods of the first hydraulic cylinder and the second hydraulic cylinder are vertically downward, the first mechanical arm base is fixed at the end part of the piston rod, and the first mechanical arms are fixed at the lower part of the second mechanical arm base.
7. The welding production line of the automobile floor according to claim 1, wherein the cooling device comprises a cooling box and a cold air device, the cooling box is fixed on the rack, an inlet is formed in one end of the cooling box, an outlet is formed in the other end of the cooling box at a corresponding position, and the first sliding rail, the second sliding rail, the first sliding bar and the second sliding bar penetrate through the inlet and penetrate out of the outlet; the air cooler is fixed at the top of the cooling box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829606.XA CN107553020B (en) | 2017-09-14 | 2017-09-14 | Automobile floor welding production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829606.XA CN107553020B (en) | 2017-09-14 | 2017-09-14 | Automobile floor welding production line |
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| CN107553020A CN107553020A (en) | 2018-01-09 |
| CN107553020B true CN107553020B (en) | 2024-06-07 |
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| CN201710829606.XA Active CN107553020B (en) | 2017-09-14 | 2017-09-14 | Automobile floor welding production line |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039226B (en) * | 2019-05-09 | 2020-11-13 | 广州丰桥智能装备有限公司 | Welding set is assembled to floor behind car |
| CN110640478B (en) * | 2019-08-16 | 2021-06-04 | 广州瑞松北斗汽车装备有限公司 | Rear floor production method |
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|---|---|
| CN107553020A (en) | 2018-01-09 |
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Effective date of registration: 20240511 Address after: Building 2, No. 51 Gaoxin Road, Haichang Street, Haining City, Jiaxing City, Zhejiang Province, 314415 Applicant after: ZHEJIANG RUIFU ELECTROMECHANICAL Co.,Ltd. Country or region after: China Address before: No. 118-1 Xianxia Road, Jianshan New District, Haining City, Jiaxing City, Zhejiang Province, 314415 Applicant before: ZHEJIANG RUIFU AEROSPACE TECHNOLOGY EQUIPMENT CO.,LTD. Country or region before: China |
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