CN104525442A - Coating line with full-automatic control and manual spray coating - Google Patents
Coating line with full-automatic control and manual spray coating Download PDFInfo
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- CN104525442A CN104525442A CN201410498661.1A CN201410498661A CN104525442A CN 104525442 A CN104525442 A CN 104525442A CN 201410498661 A CN201410498661 A CN 201410498661A CN 104525442 A CN104525442 A CN 104525442A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
Abstract
The invention relates to a coating line with full-automatic control and manual spray coating. A linear speed-multiplied conveyor chain is disposed on a ground surface manual operation plane; an inlet of the conveyor chain is a to-be-sprayed area; the end of a workpiece charging conveyor chain is a workpiece discharging area; a coating production line, a turning platform and another coating production line are orderly disposed between the to-be-sprayed area and the member discharging area; the structure of a spraying chamber, a leveling chamber and a drying chamber is that the spraying chamber, an inlet lifting device, the leveling chamber, the drying chamber, a cooling chamber, and an outlet lifting device are orderly disposed on the conveyor chain from the inlet to the outlet; throughout the whole conveyor chain, accumulating systems are disposed at stations with manual operation, and the accumulating systems are connected with an externally-disposed full-automatic control system. The coating line realizes that the coating work of a workpiece can be accomplished from charging of the workpiece and through the production line; stepwise rhythmical production is realized; the production efficiency is greatly improved; problems of large land occupation and disordered production sites caused by on-site part cross transfer are prevented.
Description
Technical field
The present invention relates to the paint line of a kind of Automatic Control, hand spray, be particularly applicable to meet the different batch of aeronautical product, multi items, complex shape part paint line automatic transmission system and meet the coating equipment of aeronautical product process characteristic.
Background technology
Because aeronautical product part is wide in variety, batch is little, complex-shaped, the production model of current domestic air mail industry painting line is that paint spray booth and baking oven are independently arranged, turnover in painting process all uses a dead lift, its production procedure is as follows: placing part on pallet → a dead lift to spray station → one-sided sprays paint → in paint spray booth levelling/be transported to respective regions levelling → a dead lift to baking oven → solidification (hardening time is by manual time-keeping) → manually transport baking oven → fitting turnover → being manually transported to paint spray booth → part opposite side sprays paint → levelling/be transported to respective regions levelling → be manually transported to baking oven → solidification in paint spray booth → manually transport baking oven → inspection.
Domestic traditional mode of production pattern existing problems are as follows:
1, a dead lift link is too many, wastes a large amount of human resources;
2, batch production, production efficiency is low;
3, paint spray booth, levelling room, hothouse are not closed body spaces, carry out under open environment in carrying way between paint spray booth, levelling room, hothouse in circular flow, air cleanliness and humiture are difficult to reach technological requirement, can not ensure product quality;
4, due to when spraying paint, not only the workman that sprays paint is operator but also be bearer, also will carry out the timing of levelling and curing oven, be therefore difficult to ensure flow time and the accurate control of hardening time in actual mechanical process, the painting quality of the part that sprays paint is difficult to ensure simultaneously;
5, frequent switch oven door, causes amount of heat to run off, causes serious energy waste;
6, due to the artificial cross-operation in painting process, can not ensure to carry placement part in an orderly manner, thus cause on-the-spot confusion of spraying paint;
7, the auxiliary equipment such as blower fan, heating, water pump, air-conditioning box, compressed air all needs artificial opening and closing, adds workload, and easily causes the opening and closing of each equipment inharmonious;
8, levelling and hardening time are by manual monitoring, and all technological parameters of production are all manual records, and workload greatly and easily make a fault;
The useful suspended chain transmission of external aviation, hand spray, but because fixture point place paint film is discontinuous, secondary touch-up paint be carried out.Need during touch-up paint to be equipped with corresponding personnel and place, need to carry out the necessary process operations such as cleaning, touch-up paint, drying to touch-up paint region, need certain cycle, production efficiency is low simultaneously.
Summary of the invention
The technical problem to be solved in the present invention there is provided the paint line of a kind of Automatic Control, hand spray, this paint line achieves workpiece from upper, painting work can be completed after streamline, and the production of step-by-step movement beatization can be realized, increase substantially production efficiency, reduce on-the-spot part and intersect that to have enough to meet the need the floor space that causes large, and the problem of production scene confusion.
For overcoming the above problems, concrete technical scheme of the present invention is as follows: the paint line of a kind of Automatic Control, hand spray, in earth's surface manual operation plane, straight line speed type conveyer chain is set, the entrance of conveyer chain is district to be painted, be lower part district at the end of conveyer chain, between district to be painted and lower part district, be provided with finishing line, overturn platform and finishing line successively; Wherein the structure of finishing line is, is provided with paint spray booth, entrance lowering or hoisting gear, levelling room, drying chamber, cooling chamber and exit lifting device successively by entering to going out on conveyer chain; Conveyer chain is omnidistance is having the setting of manually-operated station to accumulate system, and the system that can accumulate is connected with the full-automatic control system of outer setting.
Two stations are provided with in described paint spray booth, each station is arranged a lifting and rotary bracket, lifting and rotary bracket are connected with full-automatic control system, its structure is, be provided with vertical jacking hydraulic cylinder in the bottom of turntable support, the piston rod of jacking hydraulic cylinder is by the rotating disk above whirligig connection turntable support.
Described levelling room and drying chamber are provided with four floor, and every layer has eight stations, and the part of each station is rotated into a platform and the conveying of entrance lowering or hoisting gear by being provided with 90 degree before entrance, is rotated into a platform exports exit conveyer chain to by exit lifting device and 90 degree; Be provided with the pallet porch of drying chamber the optoelectronic switch and timer that are connected with full-automatic control system in levelling room, and calculate the time parameter of each pallet separately.
Conveyer chain is closed transfer chain, and be provided with Shang Jian district in the porch of conveyer chain and move shape machine, Shang Jian district moves between shape machine and the entrance of conveyer chain and is provided with Shang Jian district differential chain; Be provided with lower part district in the outlet of conveyer chain and move shape machine, the exit that lower part district moves shape machine returns differential chain with the pallet that conveyer chain be arranged in parallel and is connected, and the end that pallet returns differential chain moves shape machine with Shang Jian district and is connected.
It is that an angle of 90 degrees is connected with conveyer chain that described Shang Jian district moves the end section that shape machine and pallet return differential chain, and is on the corner provided with 90 degree of swivel conveyors.
At each drying chamber two ends, air seal set is set respectively.
Described accumulated system is made up of light sensing switch, stopper, PLC and Artificial Control clearance button.
Adopt the paint line of Automatic Control, hand spray to carry out a method for aviation part spraying, comprise the following steps:
1) by the placing part after surface treatment in the pallet in Shang Jian district, enter into district to be painted by Shang Jian district differential chain and 90 degree of swivel conveyors;
2) if without spraying paint part in paint spray booth, then pallet moves on and enters station, and the pallet of lifting and rotary bracket carries out jacking, carries out work of spraying paint, if there is the part that sprays paint paint spray booth, then pallet is waited for by accumulating Systematical control original place;
3) spray paint complete in paint spray booth, carry out angle rotation by lifting and the pallet of rotary bracket, the another side of spraying part;
4) part is after having sprayed paint in paint spray booth, clearance button is pressed after artificial judgment is qualified, the pallet of lifting and rotary bracket is taken a seat, pallet load bearing element moves into 90 degree and is rotated into the action that pallet is realized jacking-90-degree rotation-falling by a platform on conveyer chain, becomes transversely arranged by pallet from longitudinal transmission along the line;
5) transversely arranged pallet arrives entrance lowering or hoisting gear, and entrance lowering or hoisting gear is elevated loading repeatedly, dress tray for work pieces is loaded successively the flat room of 1-4 laminar flow, and is counted by light sensing switch, during timer; When timer time of advent, then be sent to drying chamber;
5) part after drying chamber oven dry is entering cooling chamber, cooled part is transported to next 90 degree one by one by exit lifting device and is rotated into a platform, pallet becomes longitudinally transmission along the line from transversely arranged, then on reentrant overturn platform, carry out artificial upset, the bottom surface portions do not sprayed paint is turned;
6) again enter in next finishing line, repeat step 2-5;
7) after the overall step sprayed in dry cooling system completes, trays of parts sprayed paint after part move shape machine by lower part district and lower part district and enter pallet and return differential chain;
8) return differential chain and the part sprayed paint unloads by 90 degree of swivel conveyor places at pallet, unloaded pallet continues to return differential chain at pallet and moves, until move shape machine place to Shang Jian district, completes pallet loopback.
This Automatic Control, hand spray production line are arranged as the streamline of paint spray booth, levelling room, hothouse, strong cold house, eversion chamber, paint spray booth, levelling room, hothouse successively by the technological process of application, form totally enclosed room body, achieve workpiece from upper, painting work can be completed after streamline, and the production of step-by-step movement beatization can be realized, increase substantially production efficiency, reduce on-the-spot part and intersect that to have enough to meet the need the floor space that causes large, and production scene is chaotic.Arrange simultaneously and can accumulate system, the manual operation of realization and the human-computer dialogue of automatic controls transfer chain.
Preferably, design two with the spray station of lifting, rotary bracket, the every beat can producing a trays of parts for 3 minutes of sliver can be ensured; The design of lifting, rotary bracket achieves pallet and stops at spray station, rotates, lets pass, and realizes the man-machine interaction of Automatic Control chain and hand spray.
Preferably, be designed in levelling room and drying chamber four floor, every layer have 8 stations, be rotated into a platform by 90 degree and pallet transferred to by longitudinal arrangement transversely arranged, increase the capacity of baking oven, reduce floor space, improve the utilization rate of the energy, the technological parameter of each pallet can be controlled simultaneously accurately.
Preferably, move shape machine by Shang Jian district, lower part district moves shape machine and pallet returns differential chain structure realizes workpiece transfer chain and the pivotal function of empty pallet, decrease a dead lift amount of turnover, improve revolution efficiency.
Preferably, rotate conveying line-shifting machines by 90 degree and achieve the conversion that pallet runs on two parallel chains, 90 degree of swivel conveyors achieve pallet when two chains are 90 degree, the turning that pallet runs, this design coexists a ring-like chain of chain runs and compares, decrease pallet and curve radius needed for the revolution of two chains, drastically reduce the area the floor space that production line is used.
Preferably, form one deck air curtain at the indoor velocity heated gas of oven dry, to external diffusion, iris action is played to the heat in drying chamber, the loss of heat in drying chamber can be reduced, decrease energy waste.
Preferably, the system that can accumulate is made up of light sensing switch, stopper, PLC and Artificial Control clearance button, people can be made to have the sufficient time to complete manual operation, when this station does not complete, pallet is below in wait state, after the personnel of manual operation station judge end of operation, passes through manual pushbutton, this pallet is let pass, and next pallet enters manual operation station.Namely ensure that operating personnel and Automatic Control transmission system can organically combine, achieve human-computer dialogue.
This paint line adopts said method to carry out aviation part spraying, adopt the spraying method of workpiece tiling, be that paint spray booth → levelling room → hothouse → strong cold house → upset workpiece district → paint spray booth → levelling room → hothouse → strong cold house forms flowing water paint line by technical flow design, the room body closed prevents the pollution to external environment condition, ensure that the air cleanliness in spray room simultaneously.For saving floor space, being provided with two parallel " L " type differential carrier chains, being respectively used to return back to Shang Jian district from list processing line to the work piece delivery in painting line body and by empty pallet.Add conveying turntable at chain 90 degree of corners, between two parallel chains, added line-shifting machine, realized pallet and switch at two interchains.The omnidistance up-down rotary display stand that can accumulate system and spray station realizes induction system and artificial coordination.Levelling room and drying chamber divide four floor, place eight pallets, and before levelling room, establish 90 degree be rotated into a turntable for every layer, and pallet is transversely arranged, improve the rate that is installed in of room body and the utilization ratio of the energy.Peripheral equipment and technological parameter integrating control, and be provided with self diagnosis and failure warning system.
Preferably, because aeronautical product has part multi items, small lot, part complexity, the features such as size heterogeneity is larger, therefore, upper, spraying, the manual operation of the upset station such as part, lower part, paint spray booth's switch board, baker switch board, exhaust-gas treatment switch board, circulating water pool switch board, air supplying and exhausting system switch board and induction system switch board, all adopt full-automatic integrating control, each equipment room interlocking is interactive, and various technological parameter can regulate automatically.All devices operation conditions is animation display in the LED screen of display and production scene, the self diagnosis work energy of instrument and supplies parameter, and shows trouble point, warning over the display.Its feature is to achieve omnidistance accumulated system, realizes the co-ordination of personnel transportation system.Can realize preengaging in advance and heat, reduce workman's stand-by period, exhaust system delay switching-off, fully can discharge the waste gas of indoor.
Accompanying drawing explanation
Fig. 1 is the paint line top view of Automatic Control, hand spray.
Fig. 2 is the paint line front view of Automatic Control, hand spray.
Fig. 3 is indoor lifting and the rotary bracket structure schematic diagram of spraying paint.
Detailed description of the invention
As depicted in figs. 1 and 2, the paint line of a kind of Automatic Control, hand spray, in earth's surface manual operation plane, part conveyer chain 1 in straight line speed type is set, the entrance of conveyer chain 1 is district 2 to be painted, be lower part district 3 at the end of conveyer chain 1, between district 2 to be painted and lower part district 3, be provided with finishing line 10, overturn platform 4 and finishing line 10 successively; Wherein the structure of finishing line 10 is, is provided with paint spray booth 11, entrance lowering or hoisting gear 12, levelling room 13, drying chamber 14, cooling chamber 15 and exit lifting device 16 successively by entering to going out, arranges air seal set 18 respectively at each drying chamber two ends on conveyer chain 1; Conveyer chain 1 whole process have manually-operated station arrange can accumulate system 5, system 5 can be accumulated and be connected with the full-automatic control system of conveyer chain 1 outside.
The design is pipeline system coating equipment by technical flow design, and technological process is: upper part → first surface sprays paint pallet can 360
orotate, pallet is sprayed paint in cold → turn-over manual operations → the second face of hand spray → levelling → drying → by force can 360
orotate, hand spray → levelling → drying → cold → lower part by force, room body press processing flow sequence arrange, formation streamline, workpiece from upper to lower part, complete all coating process.Wherein levelling room, drying chamber all adopt four floor transmission, successively workpiece is loaded 1-4 layer with lowering or hoisting gear, reciprocating loader, improve the rate that is installed in and the energy utilization rate of room body, reduce length and the floor space of room body, air seal set is the air curtain of fortune wind at a high speed, stops the heat losses in drying chamber, reduces energy waste.Part, from list processing line to painting line, in painting line body and empty pallet revolution after lower part, all adopts the ring-like chain transmission of double-strand load-bearing stainless steel speed, is used for the carrying of alternative personnel.Chain divides by each station segment design, prevents certain from breaking down, out of service completely.Transmission line adopts Automatic Control, has and can accumulate function, keep synchronous with manually-operated rhythm.
Two stations are provided with in described paint spray booth, each station is arranged a lifting and rotary bracket 110, each rotary bracket 110 is connected with full-automatic control system, its structure is, be provided with vertical jacking hydraulic cylinder 112 in the bottom of turntable support 111, the piston rod of jacking hydraulic cylinder 112 connects the rotating disk 114 above turntable support 111 by whirligig 113.Can 360 degree of rotations at spray station pallet, the one-sided of each pallet sprays paint about 2 minutes time, and the time is adjustable, and control system can identify the workpiece state of two spray stations automatically, realizes two stations spray paint simultaneously, export paint spray booth with group by the system that can accumulate.
Lifting and the running of rotary bracket 110 are: when entrance chain has dolly to wait for, and pallet A not by jack-up time, the stopper of entrance chain can be let pass.When stopper is let pass, dolly I can be sent to paint spray booth along with the operation of entrance chain and technology chain.When dolly arrives pallet A, the limit switch lever of pallet A can be touched, at this moment pc control procedure can receive the feedback data of PLC, display pallet A there is car, but because pallet B is without car, dolly is by pallet A, continue to run to pallet B, when the limit switch lever of pallet A crossed by dolly, pallet A limit switch lever playbacks, now system default pallet A place is without car, entrance chain stopper is let pass, dolly II is sent to paint spray booth, meanwhile, dolly I can continue along with technology chain runs forward, when dolly I touches the limit switch lever of pallet B, technology chain stops, pallet B rises, when pallet rising puts in place, first group of proximity switch in pallet can be connected, at this moment pc control procedure can receive the feedback data of PLC, display pallet B has risen and has put in place, technology chain resumes operation, now, Spray Painter can carry out paint spraying to part on dolly I, Spray Painter after one's death wall has two buttons, rotation and the decline of pallet can be controlled.Dolly II can continue to advance forward along with the technology chain resumed operation, and when touching the limit switch lever of pallet A, can repeat the action of pallet B.After part spraying on pallet B is complete, Spray Painter can operate the button on wall after one's death, pallet B declines, dolly I on pallet B drops on along with the decline of pallet on technology chain, now dolly I can touch the limit switch lever of pallet B, pc control procedure can show dolly I and drop on technology chain, dolly I can run along with before technology chain and then forward, simultaneously, when pallet B decline puts in place, second group of proximity switch in pallet can be connected, pc control procedure can receive the feedback data of PLC, display pallet B has declined and has put in place, if pallet B carries out rotating when just now spraying, so pallet B can be turned back to initial bit while decline.The dolly I that technology chain runs forward, when running into first group of limit switch a, technology chain stops, pallet C rises, when pallet C rising puts in place, technology chain reruns, first group of proximity switch in pallet is connected, and pallet rotates, when pallet half-twist, second group of proximity switch in pallet is connected, pallet starts to decline, and along with the decline of pallet, dolly I has dropped on outlet chain, along with outlet chain runs forward, meanwhile, the pallet put in place that declines can connect the 3rd group of proximity switch in pallet, and now pallet C meeting automatic rotary is to initial bit.Dolly I along with outlet chain move to outlet chain stopper time, can shelter from the other optoelectronic switch of stopper, now pc control procedure can show dolly I and arrive and export chain stopper place.Outlet chain runs forward non-lift again, when the optoelectronic switch being elevated seat in the plane is not blocked, system judges on lift without dolly, stopper is let pass, dolly is to be released along with the operation chain of lift moves to lift stopper place, now can block the optoelectronic switch at lift stopper place, pc control procedure can show dolly I and arrive lift.After the dolly II on pallet A sprays, pallet A is pressed decline button, if pallet B on without car time, dolly II can run along with technology chain fortune, crosses pallet B place, until pallet C place, rotation of carrying out rising extremely is landed the action exported on chain; If when pallet B having car, technology chain stops, dolly II can be placed on technology chain, after pallet B decline puts in place, and the travel switch lever of pallet B is blocked, and technology chain can restart, dolly II can run forward along with technology chain, if when there is a car at pallet C place, dolly II can stop along with technology chain move to second group of limit switch b place, exports on chain until last dolly has dropped down onto.
Described levelling room 13 and drying chamber 14 are provided with some floor, every layer has several stations, the part of each station, by having 90 degree to be rotated into a platform 17 before entrance and lowering or hoisting gear 12 is carried, is rotated into a platform 17 by exit lifting device 16 and 90 degree and exports exit conveyer chain 1 to.The time parameter separate clocking of each pallet, is made up of optoelectronic switch and timer.
Levelling room 13 is made up of the flat passage of 4 laminar flow, and lift lifting order is for sending in levelling passage getting off successively from the bottom up.When dolly arrives lift stopper position, first await orders in the levelling passway that lift can be raised to by lifting order the appointment number of plies that dolly should arrive, according to the optoelectronic switch at levelling feeder connection place, system can determine whether that this optoelectronic switch position of car is the maximum quantity position of levelling passage institute energy storage trolley, when optoelectronic switch is connected, system judges herein without car, stopper on lift can be let pass, dolly can run to levelling passage, when trolley travelling is to the optoelectronic switch place at levelling feeder connection place, optoelectronic switch can be blocked, now system judges that dolly runs on levelling passage by lift, lift declines back initial bit.Above action is considered as a do action of lift lifting and transmitting system, after a do action do not finished by lift, according to order from down to up, dolly can be sent in the flat passage of each laminar flow successively.
Between levelling and the automatic turnover system of baking oven: the operation chain of the flat passage of each laminar flow in levelling, be levelling passage and drying tunnel shares, identical with principle with the automatic turnover system of drying tunnel between levelling.When dolly is sent in levelling passage by lift, along with the operation of dolly, dolly can the optoelectronic switch at inswept levelling feeder connection place, now lift declines, meanwhile in Monitor Computer Control System, in display levelling passage, the counter of dolly quantity numerically can add 1 original, and the counter that this dolly is corresponding starts timing, namely the dolly of each inswept porch optoelectronic switch can make the numerical value in monitoring system add 1, and each dolly can by separate clocking simultaneously.When the numerical value of the counter corresponding to dolly equals setting value, and the porch limit switch in drying tunnel is not by occupation time, drying tunnel entrance door is opened, between levelling, stopper is let pass, dolly runs in drying tunnel by between levelling, identical with the operation of levelling passage and principle, dolly is when touching the porch travel switch lever of drying tunnel, drying tunnel entrance door is closed, counter starts timing, and when timers value is identical with setting value, drying tunnel outlet portal is opened, drying tunnel exit stopper is let pass, and dolly is to cold operation by force.When trolley travelling is to strong cold house, can touch the travel switch lever of strong cold house, now drying tunnel outlet portal is closed, and the counter of strong cold house starts timing, and when counter values and setting value one timing, the lift in exit can move to the layer at dolly place.Wherein oven dry and each pallet of flow time count separately.Can historical query.Exhaust fan delay switching-off, after human users, blower fan time delay runs, and is discharged by the waste gas in painting line.
The automatic operational system of exit lift: the taking-up principle of exit lift is take out according to every layer of dolly timers value principle from big to small the dolly being parked in the corresponding number of plies successively.When dolly arrives strong cold house's position of rest, photosignal is blocked, and dolly starts to be timed.When counter values equals setting value, stopper is let pass, dolly moves on lift along with carrier chain, when dolly arrival lift stops and sheltering from optoelectronic switch, lift is descending, if now there is dolly etc. to bide one's time in drying tunnel, drying tunnel exit oven door opening, in stopper clearance drying tunnel, dolly moves to strong cold house.When lift drops to one deck limit switch position, if there is dolly occupation time at rotary-tray place of lower part district, dolly is awaited orders on lift; If without dolly occupation time, lift stopper is let pass, dolly arrives rotary-tray place of lower part district, when dolly arrives rotary-tray stopper position, rotary-tray rises, when rotary-tray rising puts in place, rotary-tray half-twist, when being rotated in place, pallet declines, and when pallet is rotated in place, the A chain that dolly drops on automatic horizontal traversal system prepares carry out operation of dividing a word with a hyphen at the end of a line.
Described conveyer chain 1 is closed transfer chain, the porch of conveyer chain 1 be provided with Shang Jian district move move shape machine 31 and conveyer chain 1 in shape machine 31, Shang Jian district entrance between be provided with Shang Jian district differential chain 32; Be provided with lower part district in the outlet of conveyer chain 1 and move shape machine 33, lower part district moves the pallet that the exit of shape machine 33 and conveyer chain 1 be arranged in parallel and returns differential chain 34, and the end that pallet returns differential chain 34 moves shape machine 31 with Shang Jian district and is connected.Shang Jian district moves shape machine 31 and pallet and returns the end section of differential chain 34 and conveyer chain 1 in an angle of 90 degrees, is on the corner provided with 90 degree of swivel conveyors 35.In transmission line 90 degree of corners, 90 degree of conversions place of pallet traffic direction add 90 degree of swivel conveyors, and at chain, parallel place adds line-shifting machine, realizes the operation of pallet at transmission line, and reduce to curve radius, reduce the floor space of production line.Transmission system and peripheral equipment adopt Automatic Control, can accurate Controlling Technology parameter, and can realize the fault diagnosis of equipment, Realtime Alerts.
The automatic traversal system of level is divided into the automatic traversal system of Shang Jian district level and the automatic traversal system of lower part district level.Two automatic horizontal traversal system make production line form a closed-loop path, and dolly, without the need to through manually lifting to Shang Jian district from lower part district, being saved cost of labor, greatly being increased work efficiency.Two level automatic traversal system principle is identical, action is identical, and when the capable stopper position of dolly arrival A, if when signal is blocked without dolly in the capable optoelectronic switch place of B, stopper is let pass, and dolly can move forward on line-shifting machine.When dolly arrives line-shifting machine optoelectronic switch place, optoelectronic switch is blocked, and at this moment system judges that dolly has arrived on line-shifting machine, and line-shifting machine runs chain and stop, line-shifting machine moves to B is capable.When the capable assigned address of arrival B, can touch the capable limit switch of B, line-shifting machine stops mobile, and line-shifting machine runs chain motor reversal, and dolly moves to B is capable along with line-shifting machine runs chain.When dolly touches the capable optoelectronic switch of B, it is capable that system judges that dolly has arrived B, and line-shifting machine returns initial position.This is an operation circulation of automatic traversal system.
Rotational automatic traversal system and the automatic traversal system of level similar.When dolly arrives the capable stopper position of A, if B line entry place optoelectronic switch block without car and on line-shifting machine, optoelectronic switch blocks without car time, the capable stopper of A is let pass, and dolly moves to line-shifting machine along with conveyer chain.When dolly shelters from line-shifting machine optoelectronic switch, the stall of line-shifting machine conveyer chain, line-shifting machine rotates.Arrive B line position after line-shifting machine half-twist, line-shifting machine conveyer chain is resumed work, and dolly runs along with conveyer chain and moves to B is capable.When dolly blocks B line entry place's optoelectronic switch, it is capable that system default dolly has arrived B.When B line entry place's optoelectronic switch crossed by dolly, line-shifting machine resets.This is a circulation of automatic rotation traversal system.
Manually dry operation of giving is needed to arrange and can accumulate system completely.Be made up of optoelectronic switch, stopper, PLC, Artificial Control clearance button.When manually-operated station has pallet, optoelectronic switch is blocked, and now PLC is to the stopper output signal before next beat, and stopper is upspring, the pallet of next beat stops, when manual operation station is finished the work, artificial actuation button, lets pass pallet, now optoelectronic switch is unobstructed, PLC is to next beat stopper output signal, and stopper doctor fall, and next beat pallet enters manual operation station.
Adopt the paint line of Automatic Control, hand spray to carry out a method for aviation part spraying, comprise the following steps:
1) by the placing part after surface treatment in the pallet in Shang Jian district, enter into district 2 to be painted by Shang Jian district differential chain 32 and 90 degree of swivel conveyors 35; Proximity switch is established between turntable and chain, when wherein after proximity switch detects that turntable docks with chain, turntable differential chain runs, and imports pallet into turntable, turntable 90-degree rotation is docked with chain by proximity switch, and differential chain runs and pallet is sent into chain from turntable.When in turntable rotary course, front chain stopper is upspring, and pallet is waited for.
2) if light sensing switch detects without spraying paint part in paint spray booth 11, then pallet moves on and enters station, and the pallet of lifting and rotary bracket 110 carries out jacking, carries out work of spraying paint, if there is the part that sprays paint paint spray booth 11, then will passes pallet original place and wait for;
3) spray paint complete in paint spray booth 11, carry out angle rotation by lifting and the pallet of rotary bracket 110, the another side of spraying part;
4) part is after having sprayed paint in paint spray booth, clearance button is pressed after artificial judgment is qualified, lifting and the pallet of rotary bracket 110 are taken a seat, pallet load-bearing part move on conveyer chain 1 buffering area jacking-90-degree rotation-fallings 90 degree be rotated into a platform 17 by pallet from longitudinally transmit along the line become transversely arranged.To entrance lowering or hoisting gear 12, entrance lowering or hoisting gear 12 is elevated loading repeatedly, dress tray for work pieces is loaded successively the flat room 13 of 1-4 laminar flow, detect that pallet is added by light sensing switch after loading and started to count pallet timing one by one, it is in levelling room dwell time >=technological requirement time, exit, levelling room stopper is let pass, enter hothouse, enter hothouse and detected that pallet enters into hothouse and starts timing by light sensing switch equally, when drying >=and the technological requirement time, hothouse exit stopper is let pass.
5) part after drying chamber 14 oven dry is entering cooling chamber 13, jacking-90-degree rotation-falling 90 degree that cooled part is transported to buffering area one by one by exit lifting device 16 is rotated into a platform 17, on the overturn platform 4 entered after pallet 90-degree rotation, carry out artificial upset, the bottom surface portions do not sprayed paint is turned;
6) again enter in the coating equipment system 10 of next spray booth, levelling room, hothouse, strong cold house composition, repeat step 2-5;
7) after the overall step in finishing line 10 completes, after moving shape machine 33 by lower part district 3 and lower part district, pallet load-bearing sprayed paint after part enter pallet and return differential chain 34;
8) return differential chain 34 and the part sprayed paint unloads by 90 degree of swivel conveyor places at pallet, unloaded pallet continues to return differential chain 34 at pallet and moves, until move shape machine 31 place to Shang Jian district, completes pallet loopback.
Paint spraying overall flow is: part on surface treatment district is artificial, and chain passes through 90 degree of swivel conveyors by work piece delivery to painting line district to be painted, and district to be painted has and can accumulate function, the rhythm matching that the rhythm of delivery tray and people spray paint.When spray station is without workpiece, stopper is let pass, pallet enters spray station, now lifting and whirligig start, and manually spray paint, after complete operation, workpiece is let pass and is entered the turntable of buffering area before levelling, by transversely arranged for pallet 90-degree rotation, disk stripping sent to the flat room of 1-4 laminar flow, hothouse, strong cold house with lift, now workpiece completes upper surface and side surface and to spray paint work.Pallet carries out lift down to one deck, be rotated into a platform through 90 degree and transfer pallet to longitudinal row, namely parallel with transmission line, facilitate human users, enter Flip Zone, manually by workpiece turning, chain has and can accumulate function herein, entering paint spray booth, repeating above-mentionedly from spraying paint to lift, workpiece to be down to one deck work.Now all faces of workpiece complete painting work, are transferred to by workpiece parallel with chain by 90 degree of swivel conveyors, by line-shifting machine, pallet are imported into the front end of revolution chain, have herein and can accumulate function, work lower part checked.Empty pallet continues with chain the end proceeding to revolution chain, enters the transition chain between painting line and list processing line, enter Shang Jian district through line-shifting machine blank panel by 90 degree of swivel conveyors.
Described Automatic Control, the paint line of hand spray, production line except upper, lower part, to spray paint, except station turning, the heating system of transmission system, air supply air-conditioner system, exhaust fan, water pump, baking oven, temperature control all to adopt PLC to control, and analog machine operation state display over the display, and two pieces of video cards are set, overtemperature, the technological parameter time-out warning system of the running status of display device, device failure alert and baking oven respectively on the display of control room and production scene.
The simple control principle of control system: send a command to S7-300 by pc control procedure, corresponding clock signal is become directly to control relevant device (as: blower fan, water pump, temperature controller etc.) by S7-300 to this command interpretation again, S7-300 can change into data signal the device status data read and feed back to pc control procedure, control program picture can along with the change of the data signal fed back to respective change, thus the automatic control realizing production line with monitor in real time.
The startup of conveyer chain: conveyer chain clicks conveyer chain start button in pc control procedure, control program can send instructions in S7-300PLC, S7-300PLC is after overscanning, the instruction starting conveyer chain can be performed, make the relay adhesive that control conveyer chain runs, A.C. contactor by Control also can adhesive, thus conveyer chain is run.Meanwhile, S7-300PLC also can read conveyer chain and run these data, feeds back to pc control procedure, makes pc control procedure show conveyer chain and has run this state.
The startup of paint spray booth: paint spray booth is made up of top pressure fan, bottom exhaust blower, outside water pump.So the startup of paint spray booth comprises two parts: the startup of the startup of pressure fan, the startup of exhaust blower and water pump.Again because paint spray booth is as a whole, and three parts cannot start simultaneously, so the startup of three parts of composition paint spray booth system is for there being the startup of tandem.Auto-start button is clicked in pc control procedure, control program can send instructions in S7-300PLC, S7-300PLC is after overscanning, the relay adhesive making pressure fan, exhaust blower, water pump corresponding successively can be postponed, A.C. contactor star angle by Control starts, thus pressure fan, exhaust blower, water pump are started successively.Meanwhile, S7-300PLC also can read pressure fan, exhaust blower, water pump and run these data, feeds back to pc control procedure, makes pc control procedure display pressure fan, exhaust blower, water pump run this state.
Paint spray booth's temperature and humidity control system: the temperature and humidity control system of paint spray booth is controlled by special temperature and humidity controller.Temperature and humidity controller is in pc control procedure, and write needs the warm and humid angle value of setting, and this numerical value can be written in temperature and humidity controller, and whether temperature and humidity controller can control to heat according to the temperature of current paint spray booth, humidification, refrigeration.The refrigeration system of paint spray booth is when needs are opened, and can start along with the startup of blower fan, pressure fan can be delivered to cold air in paint spray booth.The equipment dynamic such as conveyer chain, blower fan, the water pump source of painting line is motor, when motor occurs abnormal, PLC can find these data and feed back in pc control procedure, and pc control procedure there will be alarm, and monitor staff can check the motor gone wrong.
The startup of baking oven: baking oven is made up of pressure fan and heater two parts.Drying tunnel start button is clicked in pc control procedure, control program can send instructions in S7-300PLC, S7-300PLC is after overscanning, the relay adhesive making pressure fan, heater corresponding successively can be postponed, A.C. contactor star angle by Control starts, thus blower fan and heater are started successively.Meanwhile, S7-300PLC also can read pressure fan and heater has run these data, feeds back to pc control procedure, makes pc control procedure display pressure fan and heater run this state.
The setting of oven temperature: the temperature of baking oven controls to be realized by temp controlled meter.In pc control procedure, click temperature setting interface.The Temperature numerical and alarm temperature value that need setting is filled in temperature setting interface.Click write, numerical value is written in temp controlled meter, and when baking oven is activated, temp controlled meter can control the output of baking oven heating rod until the temperature value in baking oven reaches set temperature value according to Current Temperatures.
Baking oven overtemperature prote: the overtemperature prote of baking oven is also realized by temp controlled meter.When the setting value of oven temperature value higher than overtemperature temp controlled meter, in baking oven, heating rod stops heating, when the numerical value of oven temperature lower than baking oven temp controlled meter, and baking oven recovery heating.
Other protections: the rise of each pallet, rotation, decline, the connection of each optoelectronic switch with block, the opening of each stopper, each fire door open and close correspond to a time parameter.When each action overtime parameter, system all can be reported to the police, and at this moment just needs monitor staff go to find and solve produced problem.
Claims (8)
1. the paint line of an Automatic Control, hand spray, it is characterized in that: in earth's surface manual operation plane, straight line speed type conveyer chain (1) is set, the entrance of conveyer chain (1) is district to be painted (2), be lower part district (3) at the end of conveyer chain (1), between district to be painted (2) and lower part district (3), be provided with finishing line (10), overturn platform (4) and finishing line (10) successively; Wherein the structure of finishing line (10) is, is provided with paint spray booth (11), entrance lowering or hoisting gear (12), levelling room (13), drying chamber (14), cooling chamber (15) and exit lifting device (16) successively by entering to going out on conveyer chain (1); Conveyer chain (1) is omnidistance there being the setting of manually-operated station can accumulate system (5), can accumulate system (5) and be connected with the full-automatic control system of outer setting.
2. the paint line of Automatic Control as claimed in claim 1, hand spray, it is characterized in that: in described paint spray booth, be provided with two stations, each station is arranged a lifting and rotary bracket (110), lifting and rotary bracket (110) are connected with full-automatic control system, its structure is, be provided with vertical jacking hydraulic cylinder (112) in the bottom of turntable support (111), the piston rod of jacking hydraulic cylinder (112) connects the rotating disk (114) of turntable support (111) top by whirligig (113).
3. the paint line of Automatic Control as claimed in claim 1, hand spray, it is characterized in that: described levelling room (13) and drying chamber (14) are provided with four floor, every layer has eight stations, the part of each station is rotated into a platform (17) and entrance lowering or hoisting gear (12) conveying by being provided with 90 degree before entrance, is rotated into a platform (17) exports exit conveyer chain (1) to by exit lifting device (16) and 90 degree; Be provided with the pallet porch of drying chamber (14) optoelectronic switch and timer that are connected with full-automatic control system in levelling room (13), and calculate the time parameter of each pallet separately.
4. the arbitrary Automatic Control as described in Claims 1-4, the paint line of hand spray, it is characterized in that: conveyer chain (1) is closed transfer chain, be provided with Shang Jian district in the porch of conveyer chain (1) and move shape machine (31), between the entrance that Shang Jian district moves shape machine (31) and conveyer chain (1), be provided with Shang Jian district differential chain (32); Be provided with lower part district in the outlet of conveyer chain (1) and move shape machine (33), the exit that lower part district moves shape machine (33) returns differential chain (34) with the pallet that conveyer chain (1) be arranged in parallel and is connected, and the end that pallet returns differential chain (34) moves shape machine (31) with Shang Jian district and is connected.
5. the paint line of Automatic Control as claimed in claim 4, hand spray, it is characterized in that: described Shang Jian district moves shape machine (31) and pallet and returns the end section of differential chain (34) and conveyer chain (1) is arranged in an angle of 90 degrees, and is on the corner provided with 90 degree of swivel conveyors (35).
6. the paint line of Automatic Control as claimed in claim 1, hand spray, is characterized in that: arrange air seal set (18) respectively at each drying chamber (14) two ends.
7. the paint line of Automatic Control as claimed in claim 1, hand spray, is characterized in that: described accumulated system (5) is made up of light sensing switch, stopper, PLC and Artificial Control clearance button.
8. adopt the paint line of Automatic Control, hand spray to carry out a method for aviation part spraying, it is characterized in that comprising the following steps:
1) by the placing part after surface treatment in the pallet in Shang Jian district, enter into district to be painted (2) by Shang Jian district differential chain (32) and 90 degree of swivel conveyors (35);
2) if without spraying paint part in paint spray booth (11), then pallet moves on and enters station, and the pallet of lifting and rotary bracket (110) carries out jacking, carries out work of spraying paint, if paint spray booth (11) have the part that sprays paint, then pallet controls original place wait by accumulating system (5);
3) spray paint complete in paint spray booth (11), carry out angle rotation by lifting and the pallet of rotary bracket (110), the another side of spraying part;
4) part is after having sprayed paint in paint spray booth, clearance button is pressed after artificial judgment is qualified, the pallet of lifting and rotary bracket (110) is taken a seat, pallet load bearing element moves into 90 degree and is rotated into the action that pallet is realized jacking-90-degree rotation-falling by a platform (17) on conveyer chain (1), becomes transversely arranged by pallet from longitudinal transmission along the line;
5) transversely arranged pallet arrives entrance lowering or hoisting gear (12), and entrance lowering or hoisting gear (12) is elevated loading repeatedly, dress tray for work pieces is loaded successively the flat room of 1-4 laminar flow (13), and is counted by light sensing switch, during timer; When timer time of advent, then be sent to drying chamber (14);
5) part after drying chamber (14) oven dry is entering cooling chamber (13), cooled part is transported to next 90 degree one by one by exit lifting device (16) and is rotated into a platform (17), pallet becomes longitudinally transmission along the line from transversely arranged, then on reentrant overturn platform (4), carry out artificial upset, the bottom surface portions do not sprayed paint is turned;
6) again enter in next finishing line (10), repeat step 2-5;
7) after the overall step sprayed in dry cooling system (10) completes, trays of parts sprayed paint after part move shape machine (33) by lower part district (3) and lower part district and enter pallet and return differential chain (34);
8) return differential chain (34) at pallet to be unloaded by the part sprayed paint with 90 degree of swivel conveyor (35) places, it is mobile that unloaded pallet continues to return differential chain (34) at pallet, until move shape machine (31) place to Shang Jian district, completes pallet loopback.
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