CN201686420U - Hoisting mechanism for front longitudinal beam assembly welding and aerial conveying line of automobile body in white - Google Patents
Hoisting mechanism for front longitudinal beam assembly welding and aerial conveying line of automobile body in white Download PDFInfo
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- CN201686420U CN201686420U CN201020211752XU CN201020211752U CN201686420U CN 201686420 U CN201686420 U CN 201686420U CN 201020211752X U CN201020211752X U CN 201020211752XU CN 201020211752 U CN201020211752 U CN 201020211752U CN 201686420 U CN201686420 U CN 201686420U
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Abstract
The utility model provides a hoisting mechanism for a front longitudinal beam assembly welding and aerial conveying line of an automobile body in white, which is characterized by comprising a rolling trolley, an electric hoist, a guide positioning device, a hoisting tool device, a hand grab device and guide rod devices, wherein the rolling trolley rolls on I-shaped steel in a steel rack structure and is fixed on the upper surface of a transverse moving mechanism by a screw, and the electric hoist is fixed on the lower surface of the transverse moving mechanism by the screw. The hoisting tool device is hung on a hook of the electric hoist, the hand grab device is fixed on the hoisting tool device by the screw, the guide rod devise are distributed at the two sides of the electric hoist, the upper ends of guide rod parts of the guide rod devices are fixed below the transverse moving mechanism by the screws, the lower ends of the sliding parts of the guide rod devices are fixed on the hoisting tool device by the screws, and the guide positioning device is fixed at the inner side of an upright post in the steel rack structure by the screw. The hoisting mechanism has the advantages of realizing reliable product conveying by adopting the parallel mode of left/right conveying lines, lowering the labor intensity of workers, realizing automatic multi-station carrying in one step and increasing the production rhythm once.
Description
Technical field
What the present invention relates to is that automobile body-in-white front longitudinal beam assembly welds aerial travel line derricking gear, belongs to auto parts and components and makes the equipment technology field.
Background technology
Similar front side member product, the general method of robot transport that adopts realizes the transfer of part between station, just adopted the artificial robot transport scheme that reaches during the 45JPH manufacturing line of company is planned abroad such as this product, but this scheme is bigger to the Workshop Production area requirements, about 1000 sq ms, and operative employee's quantity is many, about be respectively 17 people and 16 people, simultaneously degree of automation is low, and solder joint 43 and 45 points are finished in robot welding, percent of automatization only about 20%.The front side member welding production line of external similar percent of automatization (about 70%), most robot welding+robot transports that adopt, it is big that this scheme takies the production area, with present front side member is example, as adopting robot welding+robot transport, reach the 24JHP production capacity, every line need increase by 8 transfer robots, the system integration will increase about 4,000,000, and expense is higher, and floor area will increase about 300 sq ms simultaneously.Whole line equipment not only coverage ratio difficulty increases, and degree of utilization will reduce, and the production coverage ratio also decreases.
Summary of the invention
What the present invention proposed is that a kind of front side member assembly welds aerial travel line derricking gear, and its purpose adopts aerial travel line, robot welding, thus can overcome the existing above-mentioned defective of prior art effectively.
Technical solution of the present invention: automobile body-in-white front longitudinal beam assembly welds aerial travel line derricking gear, it is characterized in that comprising the rolling dolly, electric block, guide locating device provided, hoisting device, gripper equipment, guide rod device, wherein roll and roll on the I-beam section of dolly in steel framed structure, the rolling dolly is screwed on translation mechanism, electric block is screwed below translation mechanism, hoisting device hangs on the hook of electric block, gripper equipment is screwed on hoisting device, guide rod device is distributed in the both sides of electric block, the upper end of the guide rod part of guide rod device is screwed below translation mechanism, the slipper lower end of guide rod device is screwed on hoisting device, the guide locating device provided column inboard that is screwed in steel framed structure.
Advantage of the present invention: this travel line has used the combination of drive of motor translation mechanism and derricking gear, and joins PLC control, about the part parallel mode realize the reliable delivery of product; Not only reduced labor strength, and realized the disposable automatic carrying of multistation, thereby productive temp is doubled.Adopt aerial travel line, factory's height space will be fully utilized, and can not increase factory's area.After robot welding+transfer line made up automatically, whole line equipment not only coverage ratio, capacity utilization rate improved, and the production coverage ratio also is greatly improved.
Description of drawings:
Accompanying drawing 1 is the structural representation that the front side member assembly welds aerial travel line;
Accompanying drawing 2 is drive of motor translation mechanism scheme drawings;
Accompanying drawing 3 is derricking gear scheme drawings;
Accompanying drawing 4 is chain wheel assembly structural representations, Fig. 4-the 1st wherein, chain guiding, Fig. 4-the 2nd, driving chain wheel;
Accompanying drawing 5 is tightening mechanism scheme drawings;
Accompanying drawing 6 is translation mechanism scheme drawings;
Accompanying drawing 7 is soft spacing structural representations;
Accompanying drawing 8 is gripper equipment structural representations;
Accompanying drawing 9 is guide rod device structural representations, Fig. 9-the 1st, the front view of guide rod device, Fig. 9-the 2nd, the lateral plan of Fig. 9-1;
Accompanying drawing 10 is hoisting device structural representations;
Accompanying drawing 11 is guide locating device provided structural representations;
Accompanying drawing 12 is to carry control principle figure;
Accompanying drawing 13 is work-based logic figure of this conveyer.
The specific embodiment
Contrast accompanying drawing 1, the front side member assembly welds aerial travel line, and its structure comprises drive of motor translation mechanism 1, a station derricking gear 2, two station derricking gears 3, three station derricking gears 4, four station derricking gears 5, five station derricking gears 6, six station derricking gears 7, seven station derricking gears 8, eight station derricking gears 9, nine station derricking gears 10, steel framed structure 11.Wherein drive of motor translation mechanism 1 usefulness screw is connected above the steel framed structure 11, can save the ground area occupied, reserves more welding space, makes full use of height space; One station derricking gear 2, two station derricking gears 3, three station derricking gears 4, four station derricking gears 5, five station derricking gears 6, six station derricking gears 7, seven station derricking gears 8, eight station derricking gears 9, nine station derricking gears 10 are screwed on the drive of motor translation mechanism 1 with screw respectively, with a station derricking gear 2, two station derricking gears 3, three station derricking gears 4, four station derricking gears 5, five station derricking gears 6, six station derricking gears 7, seven station derricking gears 8, eight station derricking gears 9, nine station derricking gears 10 link together with drive of motor translation mechanism 1, can guarantee the independent property of each station, can adjust each station respectively, and not influenced by other station, guarantee the synchronism of each station, be convenient to whole debugging.
Guide locating device provided is hoisting device and the gripper equipment accurate location when descending, and guarantees that the product of carrying can accurately be transported to next station.
The front side member assembly welds aerial travel line, 46 meters of total lengths, wide 6 meters, carrying spacing is 4 meters, the part hoisting depth is 2 meters, the part handling time was controlled within 55 seconds, rationally carry out closing and opening of safe grating, can be controlled within 30 seconds in the clamping parts time of operative employee under the 24JPH production model, operative employee's rate of load condensate is about 60%, each 205 and 202 solder joint about welding robot is finished respectively, total 265 and 259 calculating of solder joint about pressing, percent of automatization is respectively 77% and 78%, and on average each robot solder joint reaches 2.83 seconds.Realize the quick switching between a dead lift, S. A., the fully-automatic production mode, make full use of the workshop height space, saved the surface production area.
Contrast Fig. 2, the structure of drive of motor translation mechanism comprises soft spacing 18, the B tightening mechanism 19 of soft spacing 16, the translation mechanism 17 of adjustable frequency motor 12, chain 13, chain wheel assembly 14, A tightening mechanism 15, A, B, wherein the two ends of two ends and the translation mechanism 17 of chain 13 are with the corresponding connection of pivot pin, and adjustable frequency motor 12, B tightening mechanism 19 are screwed the front at steel framed structure 11; Chain wheel assembly 14, A tightening mechanism 15 are screwed the back side at steel framed structure 11; A soft spacing 16 is screwed on A tightening mechanism 15; B soft spacing 18 is screwed on B tightening mechanism 19; Roll on the I-beam section of translation mechanism 17 in steel framed structure 11.
During work, adjustable frequency motor 12 drive chains 13 make by chain wheel assembly 14, A tightening mechanism 15, B tightening mechanism 19 and do the front and back back and forth movement on the I-beam section of translation mechanism 17 in steel framed structure 11.A soft spacing 16, that B soft spacing 18 stops before and after being respectively is spacing.
Adjustable frequency motor 12 can rotating, can realize back and forth movement, realizes different kinematic velocitys, and the band-type brake function is arranged.
Chain 13 and chain wheel assembly 14 combinations are better than the belt-type combinative stability.
Contrast accompanying drawing 3, the structure of described derricking gear comprise rolling dolly 20, electric block 21, guide locating device provided 22, hoisting device 23, gripper equipment 24, guide rod device 25.Wherein roll and roll on the I-beam section of dolly 20 in steel framed structure, rolling dolly 20 is screwed on translation mechanism, electric block 21 is screwed below translation mechanism, hoisting device 23 hangs on the hook of electric block 21, gripper equipment 24 is screwed on hoisting device 23, guide rod device 25 is distributed in the both sides of electric block 21, the upper end of its guide rod part is screwed below translation mechanism 17, the slipper lower end is screwed on hoisting device 23, and guide locating device provided 22 are screwed the column inboard in steel framed structure.During work, electric block 21 hangs on hoisting device 23 and gripper equipment 24 moves up and down along guide rod device 25, electric block 21 rises, and to put in place be that travel switch by on the hoisting device 23 stops, and electric block 21 descends, and to put in place be to stop by guide locating device provided 22 upper stroke switch.The electric block 21 that rolling dolly 20 drives on the translation mechanism, hoisting device 23, gripper equipment 24, back and forth movement before and after doing on the I-beam section of guide rod device 25 in steel framed structure.
Use electric block 21 can be convenient to PLC control, synchronism is good, and is simple in structure.
Contrast accompanying drawing 4, the structure of chain wheel assembly comprises small clevis pin with head 26, leading sheave 27, small rack 28, big bearing pin 29, sprocket wheel 30, big support 31, wherein chain guiding and driving chain wheel all are screwed on steel framed structure 11, and chain is directed at the driving chain wheel front and play the guiding role, and makes the chain smooth transport to sprocket wheel.
A tightening mechanism 15, B tightening mechanism 19 can be adjusted the degree of tightness of chain, prevent that chain breaks away from sprocket wheel.
Contrast accompanying drawing 5, the structure of tightening mechanism comprises A thimble 32, A sprocket wheel 33, slide block 34, B thimble 35, A bearing pin 36, chain-wheel box 37, B sprocket wheel 38, B bearing pin 39, wherein A thimble 32 left ends are screwed on the chain-wheel box 37, and right-hand member withstands slide block 34 left ends, and B thimble 35 right-hand members are screwed on the chain-wheel box 37, left end withstands slide block 34 right-hand members, slide block 34 usefulness A bearing pins 36 are connected in the chute of chain-wheel box 37 both sides, and A sprocket wheel 33 is contained on the bearing of A bearing pin 36, and B sprocket wheel 38 usefulness B bearing pins 39 are connected the lower end of chain-wheel box 37.
During work, rotate A thimble 32 or B thimble 35, withstand slide block 34 and in the chute of chain-wheel box 37 both sides, slidably reciprocate, the A sprocket wheel 33 that slide block 34 drives on the A bearing pin 36 moves, so just can adjust the degree of tightness of chain, can be because chain pine and not take off tooth too, too tight and latch.
Adjustable frequency motor is screwed the front at steel framed structure, can improve working stability, makes things convenient for control line to arrange.
Roll on the I-beam section of translation mechanism in steel framed structure, friction of rolling is littler than cliding friction, and the power that needs is also little, and roll mode is relatively good realization on I-beam section, and the bearing capacity of I-beam section is strong.
Contrast accompanying drawing 6, the structure of translation mechanism comprises adaptor union 40, trammel beam 41, bearing bar 42, wherein bearing bar 42 very long (40 meters) is not easy processing, is divided into seven sections processing respectively, couple together respectively by six adaptor unions 40 again, trammel beam 41 has nine, is evenly distributed in the inboard of bearing bar 42, and an end of trammel beam is screwed on bearing bar 42, roll on the channel-section steel of the other end of trammel beam in steel framed structure 11, nine trammel beams 41 keep bearing bar 42 easy motions.
Soft spacing, the B of A soft spacing be respectively spacing to what stop before and after the translation mechanism because translation mechanism is heavy, it is big to stop the back cushion effect, adopting general spacingly will influence the adjustable frequency motor life-span to the very big antagonistic force of adjustable frequency motor generation; And the soft spacing sort buffer power of dissolving is well protected motor.The soft spacing self-protection function that has, above behind certain buffer distance, the meeting auto alarm guarantees the particularity of locating.
Contrast accompanying drawing 7, the soft spacing cylinder 43 that comprises, A limiting stopper 44, B limiting stopper 45, connecting panel 46, wherein cylinder 43 is screwed on tightening mechanism, A limiting stopper 44 is screwed on the piston rod of cylinder 43, B limiting stopper 45 is screwed on connecting panel 46, connecting panel 46 is screwed on translation mechanism, during work, after translation mechanism puts in place and stops, actual is that adjustable frequency motor stops operating, and translation mechanism can be subjected to effect of inertia, also can continue to advancing motion, at this moment the B limiting stopper 45 on the translation mechanism can withstand A limiting stopper 44 on the piston rod of cylinder 43, makes the piston rod retraction of cylinder 43, very long the reducing of translation mechanism force of inertia meeting, when the pressure of cylinder 43 during greater than the translation mechanism force of inertia, cylinder 43 will promote the translation mechanism reposition, guarantees the particularity of location; When if the piston rod of cylinder 43 retracts to the end, the pressure of cylinder 43 is also less than the translation mechanism force of inertia, can not promote the translation mechanism reposition, the air pressure that just needs to adjust cylinder 43 comes pressure boost, and the force of inertia of the pressure of cylinder 43 must withstand A limiting stopper 44 on the piston rod of cylinder 43 less than the B limiting stopper 45 on the translation mechanism time, otherwise will produce very big antagonistic force to adjustable frequency motor, influence 12 life-spans of adjustable frequency motor.
Contrast accompanying drawing 8, the structure of gripper equipment comprises A swinging mounting 47, A cylinder 48, A cylinder swinging mounting 49, B cylinder 50, B cylinder swinging mounting 51, handgrip 52, B swinging mounting 53, wherein A cylinder swinging mounting 49 is screwed on hoisting device, A cylinder swinging mounting 49 1 ends are connected with A cylinder 48 with bearing pin, A cylinder swinging mounting 49 other ends are screwed the midway location at handgrip 52, A swinging mounting 47 and B swinging mounting 53 1 ends all are screwed on hoisting device, the other end is screwed respectively at handgrip 52 two ends, B cylinder swinging mounting 51 is screwed on hoisting device, B cylinder swinging mounting 51 1 ends are connected with B cylinder 50 with bearing pin, and B cylinder swinging mounting 51 other ends are screwed the midway location at handgrip 52 opposite sides.During work, A cylinder 48 drives A cylinder swinging mounting 49, A swinging mounting 47, B swinging mounting 53 rotates, and a side of handgrip 52 is also and then rotated, and B cylinder 50 drives B cylinder swinging mounting 52 and rotates, the opposite side of handgrip 52 is also and then rotated, realize promptly unclamping action.
Gripper equipment aims at the gripping apparatus of front side member assembly product design, and structure is light and handy, the reliability height.
Contrast accompanying drawing 11, guide locating device provided structure comprises support 65, A guide plate 66, energy disperser 67, B guide plate 68, C guide plate 69, hole locating support 70, travel switch 71, locating piece 72, its medium-height trestle 65 is screwed the column inboard in steel framed structure, A guide plate 66, B guide plate 68, C guide plate 69 is screwed the front end at support 65 respectively, energy disperser 67 is in the centre of A guide plate 66 and B guide plate 68, and be screwed on support 65, locating piece 72 is in a side of energy disperser 67, and be screwed on support 65, hole locating support 70 is in a side of locating piece 72, and be screwed on support 65, travel switch 71 is in a side of hole locating support 70, and be screwed on locating support 70, during work, when hoisting device and gripper equipment descend, by A guide plate 66, B guide plate 68,69 3 direction guiding of C guide plate, make A locating dowel pin 60 and B locating dowel pin 64 on the hoisting device accurately enter 70 li of hole locating supports, when hoisting device is fallen locating piece 72, when also just running into travel switch 71, electric block quits work.
Guide locating device provided is hoisting device and the gripper equipment accurate location when descending, and guarantees that the product of carrying can accurately be transported to next station.
Contrast accompanying drawing 12, native system adopt the high speed of Europe dragoness Programmable Logic Controller (CS1H) realization to system, the optimization control of precision.From the information network to the element networks, support the seamless information communication between three-layer network, promote on-the-spot informationization, mechanical equipment is realized remote monitor and control.The compatible multiple element of bus DeviceNet provides structuring, the standard development software of simplification, and the DeviceNet bus has the advantage on production and startup and the operation and maintenance; The NS programmable terminal can be in real time to the overall monitor and the operation of system.
To robot, anchor clamps and conveying mechanism move control to Programmable Logic Controller by programming, and control process is referring to logic control Figure 13.
Whole travel line motion process:
One station derricking gear 2, two station derricking gears 3, three station derricking gears 4, four station derricking gears 5, five station derricking gears 6, six station derricking gears 7, seven station derricking gears 8, eight station derricking gears 9, hoisting device and gripper equipment on 9 electric blocks in the nine station derricking gears 10 descend simultaneously, after all dropping to guide locating device provided on a station～nine stations, put in place and stop, gripper equipment begins to grab the product on station anchor clamps～nine station anchor clamps on all hoisting devices, after all promptly putting in place, gripper equipment is under the effect of electric block on the hoisting device on one station derricking gear～nine station derricking gears, rise along guide rod device, after all rising puts in place, the electric block of bonded assembly one station derricking gear～nine station derricking gears on the translation mechanism 17, hoisting device, gripper equipment, guide rod device, under the effect of adjustable frequency motor, advance 4 meters and (divide low speed, at a high speed, three sections of low speed), after putting in place, gripper equipment on one station derricking gear～nine station derricking gears begins to descend, drop to respectively on guide locating device provided on two stations～ten stations, be all on board stop after, gripper equipment on one station derricking gear～nine station derricking gears begins to beat open piece, product on one station～nine stations is placed on respectively on two stations～ten stations, after gripper equipment is all opened and is put in place, hoisting device on one station～nine stations and gripper equipment are under the effect of electric block, rise along guide rod device, after all rising puts in place, the electric block of bonded assembly one station derricking gear～nine station derricking gears on the translation mechanism 17, hoisting device, gripper equipment, guide rod device, under the effect of adjustable frequency motor, retreat 4 meters and (divide low speed, at a high speed, three sections of low speed), putting in place stops.
Automobile body-in-white left and right sides front side member assembly product characteristics is: the assembly pts wt is heavy, about part reach 22 kilograms and 21.46 kilograms respectively; Long 2.046 meters of scantling length.The part combination is many, and left part is made up of 23 blanked parts and 7 kinds of gauge members, and right part is made up of 22 kinds of blanked parts and 5 kinds of gauge members, and parts fixation mistake proofing difficulty is big.The component assembly relation is vertically to be assembled into the master.The component production beat requires high: the average demand of every day is 354 to 394 covers, and just each hourly output should be more than 18 covers, and as considering greatest requirements, design output should be per hour more than 22 covers.Heavy for pts wt, scantling length long and situation such as production output height, if adopt traditional a dead lift clamping parts, operative employee's working strength is just very big, can not satisfy the output requirement on the muscle power.
Claims (1)
1. automobile body-in-white front longitudinal beam assembly welds aerial travel line derricking gear, it is characterized in that comprising the rolling dolly, electric block, guide locating device provided, hoisting device, gripper equipment, guide rod device, wherein roll and roll on the I-beam section of dolly in steel framed structure, the rolling dolly is screwed on translation mechanism, electric block is screwed below translation mechanism, hoisting device hangs on the hook of electric block, gripper equipment is screwed on hoisting device, guide rod device is distributed in the both sides of electric block, the upper end of the guide rod part of guide rod device is screwed below translation mechanism, the slipper lower end of guide rod device is screwed on hoisting device, the guide locating device provided column inboard that is screwed in steel framed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020211752XU CN201686420U (en) | 2010-06-01 | 2010-06-01 | Hoisting mechanism for front longitudinal beam assembly welding and aerial conveying line of automobile body in white |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020211752XU CN201686420U (en) | 2010-06-01 | 2010-06-01 | Hoisting mechanism for front longitudinal beam assembly welding and aerial conveying line of automobile body in white |
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| Publication Number | Publication Date |
|---|---|
| CN201686420U true CN201686420U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020211752XU Expired - Fee Related CN201686420U (en) | 2010-06-01 | 2010-06-01 | Hoisting mechanism for front longitudinal beam assembly welding and aerial conveying line of automobile body in white |
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| Country | Link |
|---|---|
| CN (1) | CN201686420U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303847A (en) * | 2013-06-27 | 2013-09-18 | 长城汽车股份有限公司 | Hoisting equipment for large welding workpiece |
| CN107585686A (en) * | 2017-10-27 | 2018-01-16 | 无锡大东机械制造有限公司 | The lift control system of ton bag charging hanging apparatus |
-
2010
- 2010-06-01 CN CN201020211752XU patent/CN201686420U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303847A (en) * | 2013-06-27 | 2013-09-18 | 长城汽车股份有限公司 | Hoisting equipment for large welding workpiece |
| CN103303847B (en) * | 2013-06-27 | 2015-12-02 | 长城汽车股份有限公司 | A kind of large-scale workpiece that is welded hangs the equipment of liter |
| CN107585686A (en) * | 2017-10-27 | 2018-01-16 | 无锡大东机械制造有限公司 | The lift control system of ton bag charging hanging apparatus |
| CN107585686B (en) * | 2017-10-27 | 2024-04-16 | 无锡大东机械制造有限公司 | Lifting control system of ton package feeding hoist device |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20170601 |