CN203380783U - Pre-treatment system of steel plates - Google Patents
Pre-treatment system of steel plates Download PDFInfo
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- CN203380783U CN203380783U CN201320302739.9U CN201320302739U CN203380783U CN 203380783 U CN203380783 U CN 203380783U CN 201320302739 U CN201320302739 U CN 201320302739U CN 203380783 U CN203380783 U CN 203380783U
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Abstract
The utility model provides a pre-treatment system of steel plates. The pre-treatment system comprises a sidesway loading device, a loading roller way, a shot blasting machine, a middle roller way, a paint spraying device, an unloading roller way, a dust collector, an electric control device and a drying chamber, wherein the sidesway loading device is connected with the loading roller way; the loading roller way is connected with the shot blasting machine; the shot blasting machine is connected with the middle roller path; the paint spraying device is connected with the middle roller path and the drying chamber; the drying chamber is connected with the unloading roller path; the shot blasting machine is connected with the dust collector; the shot blasting machine is provided with a shot blasting chamber; a shot blasting chamber roller way is arranged inside the shot blasting chamber; and the loading roller way, the unloading roller way, the middle roller way and the shot blasting chamber roller way are driven by a variable-frequency speed adjusting motor. The pre-treatment system of the steel plates can be used for achieving the effect of quickly moving steel plates to an operating post or quickly drawing out the steel plates to an unloading station, so that treatment efficiency is improved.
Description
Technical field
The utility model relates to a kind of steel processing treatment facility, particularly, relates to a kind of steel plate pretreatment system.
Background technology
Steel pretreatment line technique refers to that steel (being the raw material states) before processing carry out the shotblasting rust cleaning and are coated with the processing technology that last layer is protected priming paint.Steel can improve the resistance to corrosion of engineering goods and hardware through pretreatment, improve the anti-fatigue performance of steel plate, extend its service life; Can also optimize steel surface technique and make state, be conducive to numerical control cutting machine blanking and fine-edge blanking simultaneously.
In addition; due to steel shape matching rule before processing; be conducive to mechanical derusting and automation is sprayed paint; therefore adopt the steel pretreatment can greatly improve the efficiency of cleaning work; improve the anti-corrosion capability of factory's the inside engineering goods and mechanical service life; and alleviate the labour intensity of cleaning work and, to the pollution of environment, the protection employee's is healthy.
But the roller-way induction system of current steel pretreatment system can not be moved simultaneously and rapidly with whole system, can't reach steel plate and advance to fast work position or output fast unloading station, affected treatment effeciency.
Therefore, develop a kind of novel steel pretreatment system and seem particularly necessary.
The utility model content
The purpose of this utility model is to overcome the defect of above-mentioned prior art existence and a kind of steel pretreatment system is provided, roller-way induction system of the present utility model can be moved simultaneously and rapidly with whole system, realized that steel plate advances to fast work position or outputs fast the purpose of unloading station, has improved treatment effeciency.
The purpose of this utility model is achieved through the following technical solutions, a kind of steel pretreatment system, comprise traversing feeding device, charging roller, shot-blast cleaning machine, delay table, spray-painting plant, discharging roller table, deduster, electric control gear and drying chamber, described traversing feeding device is provided with outlet, the outlet of described traversing feeding device is connected with an end of described charging roller, described shot-blast cleaning machine is provided with import and outlet, the other end of described charging roller is connected with the import of described shot-blast cleaning machine, the outlet of described shot-blast cleaning machine is connected with an end of described delay table, described spray-painting plant is provided with import and outlet, the other end of described delay table is connected with the import of described spray-painting plant, described drying chamber is provided with import and outlet, the outlet of described spray-painting plant is connected with the import of described drying chamber, described discharging roller table is provided with import and outlet, the outlet of described drying chamber and the import of described discharging roller table interconnect, described shot-blast cleaning machine is connected with described deduster, the top of described delay table is provided with horizontal passageway platform, described traversing feeding device is by lift truck, bearing support, haulage gear and hydraulic system connect and compose, described shot-blast cleaning machine is provided with shot blast room, described shot blast room inside is provided with the ball blast indoor roller table, described charging roller, described discharging roller table, described delay table and described ball blast indoor roller table all drive by frequency control motor.
Preferably, be provided with air exhausting device in described drying chamber.
Preferably, described deduster is filter drum type precipitator.
Preferably, the end of described charging roller is provided with the backgauge roller.
Preferably, described steel pretreatment system also comprises the gas filtration purifier, described spray-painting plant all is connected with described gas filtration purifier with described drying chamber, and described gas filtration purifier is provided with filter course, and described filter course is comprised of fire resistance fibre layer and nonwoven layer.
Compared with prior art, the utlity model has following beneficial effect: steel plate is transported to charging roller by traversing feeding device and enters super shot blasting cleaning chamber, utilize impeller head that bullet (cast steel ball or steel wire cut pill) is accelerated to impelling to surface of steel plate, surface of steel plate is impacted, and scraping is to remove iron rust and the dirt of surface of steel plate; Then utilize scraper plate that shot shunting is struck off, seethes with excitement and inhale ball, round brush, receipts ball spiral and the high pressure blowpipe of twitching one's mouth, purge clean by the remaining ball of surface of steel plate and floating dust; Steel plate after rust cleaning enters paint spray booth, by spray-painting plant, shop maintenance priming paint is sprayed on the upper and lower surface of steel plate, steel plate after surface spraying enters drying chamber again, at the paint film of drying chamber surface of steel plate, reaches " referring to do " state, and the steel plate that drying chamber is sent reaches the pretreated order of steel ground.The roller-way of roller-way induction system of the present utility model all drives by frequency control motor, can realize stepless speed regulation, can with whole system synchronous operation, can move fast again, reach the effect that steel plate advances to fast work position or outputs fast unloading station, thereby improved treatment effeciency.
The accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is process chart of the present utility model.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.Following examples will contribute to those skilled in the art further to understand the utility model, but not limit in any form the utility model.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement.These all belong to protection domain of the present utility model.
Steel pretreatment system as depicted in figs. 1 and 2, comprise traversing feeding device, charging roller, shot-blast cleaning machine, delay table, spray-painting plant, the gas filtration purifier, deduster, electric control gear, discharging roller table and drying chamber, described traversing feeding device is provided with outlet, the outlet of described traversing feeding device is connected with an end of described charging roller, described shot-blast cleaning machine is provided with import and outlet, the other end of described charging roller is connected with the import of described shot-blast cleaning machine, the outlet of described shot-blast cleaning machine is connected with an end of described delay table, described spray-painting plant is provided with import and outlet, the other end of described delay table is connected with the import of described spray-painting plant, described drying chamber is provided with import and outlet, the outlet of described spray-painting plant is connected with the import of described drying chamber, described discharging roller table is provided with import and outlet, the outlet of described drying chamber and the import of described discharging roller table interconnect, described shot-blast cleaning machine is connected with described deduster, the top of described delay table is provided with horizontal passageway platform, described traversing feeding device is by lift truck, bearing support, haulage gear and hydraulic system connect and compose, described shot-blast cleaning machine is provided with shot blast room, described shot blast room inside is provided with the ball blast indoor roller table, described spray-painting plant all is connected with described gas filtration purifier with described drying chamber, described gas filtration purifier is provided with filter course, described filter course is comprised of fire resistance fibre layer and nonwoven layer, described charging roller, described discharging roller table, described delay table and described ball blast indoor roller table all drive by frequency control motor.
Traversing feeding device of the present utility model consists of lift truck, bearing support, haulage gear and hydraulic system, and workpiece delivery completes by rising car.The lifting of lift truck realizes by hydraulic cylinder, and traversing conveying is realized by chain drive.Material loading is controlled by one group of transverse-moving mechanism.The one, realize preset material according to technological requirement; The 2nd, the impact of workpiece to roller-way while avoiding lifting by crane; The 3rd, by the work tempo of stocking and storing material adjustment all fronts and lifting appliance.Its operation principle is for to hang pending workpiece on bearing support by lifting appliance, the manually-operated control button makes elevating mechanism that workpiece is held up, by chain, lift truck is moved to Inlet roller conveyor by traction electric machine, Horizontal shifting platform descends, and workpiece is put into to Inlet roller conveyor.For adapting to the quick work rhythm of streamline, prevent the workpiece sideslip, be provided with the backgauge roller in the end of charging roller, on the car body of each lift truck, correspondence is provided with some shallow slots.When processing steel plate, can be by lifting appliance, that steel plate is preset roughly, steel plate touches the backgauge roller in the translation process, by the backgauge roller by force by the steel plate accurate contraposition; When processing shaped steel, the shallow slot groove that can be provided with according to the car body of lift truck.
Roller conveyor of the present utility model is comprised of Inlet roller conveyor, shot blast room roller-way, middle transition roller-way, drying chamber plate-and-chain conveyer and discharging roller table, 54 meters of conveying device total lengths, production system is stricter to the synchronism requirement of conveying device, and each roller-way selects frequency control motor to drive.The bearing capacity 2500kg/m of roller-way.Input, preheating chamber, middle transition and runout table roll shaft all adopt carbon steel seamless steel pipe and modified spindle nose to be welded.The processing of outline overall and installing dimensions postwelding, guaranteed bearing load 2500kg/m, guaranteed again axiality.The middle transition roller-way, between shot-blast cleaning machine and spray-painting plant, is accepted through throwing steel plate and the section bar after playing cleaning, can check the rust cleaning effect at this; The top of delay table is provided with horizontal passageway platform, at this, can arrive opposite side from a side of processing line easily.The ball blast indoor roller table is simulated by microcomputer-based Dynamic, and the direct throwing of having avoided impeller head is fully beaten with the secondary bounce-back of bullet and thrown and beat, and however each roller-way all is equipped with conveniently replaced potassium steel sheath.The roll shaft two ends adopt the labyrinth sealing of manganese steel high-abrasive material, thoroughly stop the wearing and tearing of bullet to bearings at both ends.Drying chamber adopts GB roller metric system carrier chain that V-type plate chain group is serially connected; The ensuring smooth transmission of GB roller transport chain, be easy to exchange; Plate chain V-structure, the rear steel plate that sprays paint forms short-term shape with the plate chain and contacts, and makes the damage of surface of steel plate paint film be reduced to Min.; The V-type plate chain be take the standard I-steel as skeleton, and weight capacity is strong, and tension is antitorque.Be provided with the control operation platform near each roll segments, can manually control, also can automatically control, all fronts roller-way interlock while automatically controlling, stepless speed regulation; While manually controlling, the adjustment of work tempo can be controlled respectively, be beneficial to each section roller-way, also is conducive to adjustment and the maintenance of each roll segments simultaneously.The input and runout table segmentation transmission, stepless speed regulation, can with sliver synchronous operation, can move fast again the purpose that advances to fast work position or output fast unloading station to reach steel plate.A plurality of positions at steel plate conveying device are provided with pressure roller, with the running status to steel plate etc., carry out data acquisition, and these data are sent into Programmable Logic Controller to produce corresponding actions, reach the purpose of automatic job.
The utility model, before the entrance of shot blast room, is provided with press-roller device and photoelectricity height measuring device.The photoelectricity height measuring device is comprised of photoelectric tube, receiver, lowering or hoisting gear and braking motor transmission system etc.When workpiece enters shot blast room, at first touch press-roller device, the limit switch transmission of signal of press-roller device, through time delay, lowering or hoisting gear is shifted to high point by low spot, after light head receives reflected signal, the braking motor locking, pulse counting (height detection) is complete simultaneously, pulse counting is controlled cleaning rolling brush in cleaning chamber by the PLC machine, receive the ball spiral, sweep away mechanism's lifting braking motor, upper spray gun lift cylinder in paint spray booth, corresponding relation by the pulse counting on the pulse counting on braking motor or cylinder and photoelectric measuring height, realize comparatively accurate Height Adjustment.After the workpiece afterbody leaves pressure roller, height measuring device is reset to low spot.Photoelectric tube and receiver adopt Japanese Omron product, reliable, durable, and lowering or hoisting gear adopts braking motor, braking flexibly, survey high precision, changed in the past in shot blast room add in the middle of auxiliary chamber survey high drawback, light head, reflecting plate can not occur by the dust clogging.
The impeller head of shot-blast cleaning machine of the present utility model adopts 10 of curve of the blade impeller heads, and this impeller head utilization increases radius of curvature and reaches compact conformation, the slow-speed of revolution, high ejection velocity, and the lateral tilting blade is realized two impelling bands, blade service life >=800 hour.It all has a significant impact impeller blasting quality, cleaning efficiency and service life, maintenance cost.This impeller head mainly is comprised of parts such as impeller, main shaft and main bearing seat, case, orienting cover, shot wheel, blade, backplate, transmission device, motor and bearings.Curve of the blade impeller head ejection velocity can improve more than 15%, makes the workpiece cleaning quality better.Due to the eddy current that has reduced blade tip, reducing noise 6-7dB.The bullet of dishing out is intensive, is evenly distributed, and has enlarged the bullet distributed area.Save the cramped construction of cleaning chamber occupy-place.Impeller head case liner is with mutual chain labyrinth type casting wear-resistant backplate, and ball dirt does not leak, and has splendid sealing effectiveness.The maintenance impeller head is efficient and convenient, and changing blade need only 3min.On the table roller impeller, dovetail groove is arranged, for fixed blade and put spring leaf, the blade outer end is fixed by the alignment pin on impeller.Impeller is selected 20CrMnMo material carburizing and quenching; Carry out dynamic balancing.The blade high-chromium abrasion-proof cast iron is made, heat treatment rear surface hardness HRC60-65, wearability and service life >=800 hour; Every shot blasting device blades weight difference≤5g.Orienting cover is totally-enclosed dial type, can regulate easily the impelling angle and the direction of dishing out, and selects high-chromium abrasion-proof cast iron to make, heat treatment rear surface hardness HRC60-65.Shot wheel and backplate all select high-chromium abrasion-proof cast iron to make, heat treatment rear surface hardness HRC60-65.Housing is formed by Plate Welding, and that inboard is lined with is replaceable, long service life, chain labyrinth type casting wear-resistant backplate mutually.
The box structure that the cleaning chamber of shot-blast cleaning machine of the present utility model is formed by steel plate installed-welded, be the cavity volume of impeller blasting operation, and upper and lower 10 impeller heads are arranged on different inclined-planes, realizes the steel ball blast is contained to cleaning entirely.The cleaning chamber inwall is lined with hot rolling Mn13 wear plate.The shot blast room porch is provided with the pulse wheel register, workpiece is surveyed wide device detection width.The width that it can measure steel plate, carry out data acquisition with computer, has the functions such as signal processing, storage.Control bullet gate opening quantity and time, effectively control impeller head and ball material.The optimal placement of impeller head grid bearing, can guarantee that steel plate, section bar and framework are disposable by cleaning.The cleaning chamber inner bottom part is provided with grid, is covered with wear plate with holes on it, prevents that relatively large shape thing from entering spiral and elevator; Being convenient to the maintenance personal enters the room and stands and the safety of walking.Cleaning chamber sidewall and top are provided with platform, framework, ladder and railing.Be furnished with the Argyle checkered plates on flat surface, be convenient to personnel's walking and safety.The setting of platform and framework, ladder is convenient to operation, maintenance, testing staff's work and interim maintenance tool and the rapid wear outfit part placed.Platform is used for mounting support separator, defeated ball mechanism's hopper and fixing elevator upper casing.Framework is for fixed ladder and guardrail.It is upper and lower that ladder is convenient to personnel.The front and back closed chamber of cleaning chamber is respectively hung several layers of polyurethane sealing curtain, and double-deck high resiliency nylon brush hair row is equipped with again in each import and export bottom, chamber, is convenient to change and repair, prevents that ball dirt is excessive.
The utility model also comprises the bullet purging system, and by scraping, ball, boiling are received ball, turned the sweeping ball, the tail blowing apparatus forms.In the impeller blasting process, become scattered about the bullet of surface of steel plate, by scraping the ball mechanism bullet that surface of steel plate is a large amount of, strike off, by boiling receive the ball device part shot is collected reclaim, have again the sweeping of turning ball reclaim, finally by tail blowing-out sweeping device, the clean requirement before surface of steel plate being reached spray paint; Boiling is received the ball device and is mainly contained blower fan, receives ball spiral and lowering or hoisting gear composition.During work, the signal measured according to the ball blast height measuring device, control lowering or hoisting gear decline corresponding height.The high-strength nylon round brush has been swept bullet in rotary course, and sweeps in receipts ball auger conveyor, then by receiving the ball auger conveyor, bullet is discharged in the cleaning chamber body and is taken away by shot-blasting machine bottom spiral.Wherein critical component has following advantage: nylon rolling brush adopts the nylon material of high resiliency, Φ 3mm, and hardness is moderate, and elasticity is large, and wearability is good, long service life.The bristle clamping is firm, and bristle is struck out to piece, and in work, nothing is fallen the bristle phenomenon.Whole nylon rolling brush installs rear finish turning spindle nose and has guaranteed axiality, and dynamic balance is good, stable working.
Elevator of the present utility model is bucket elevator, cycloidal planetary gear speed reducer, up-down roller, transportation rubber belt, hopper, sealing barrel and swelling device etc., consists of.Case adopts the bending and molding Welding Structure.Its side is provided with access door, with maintenance, replacing hopper.The front of lower encioser and side all are equipped with dodge gate, with maintenance bottom transmission, get rid of the bottom bullet and stop up.Centrifugal gravity mode blanking.During work, the hopper be fixed on conveyer belt sweeps the ball material of bottom, and the ball material is delivered to top, then by centrifugal gravity mode blanking.Adopt 800mm polyester core driving belt.Adopt the wide hopper of 400mm.Adjacent two hoppers intermesh, its effect and lifting capacity be equivalent to two wide belts of 400mm elevator and together with.Omit projection in the middle of cylinder, both improved the frictional force between lifting rubber belt and belt wheel, avoided the skidding of old-fashioned smooth bark belt wheel, reduced again the pretightning force of belt elevator, extended service life.And can prevent that bullet is stuck in the phenomenon that makes belt deviation between bottom belt pulley and belt, bullet flows out between spoke and belt.Elevator is equipped with stopping mechanism, because of reason elevators such as power failures, takes a turn for the worse preventing.On the elevator lower shaft, pulse wheel is housed, can detects the duty of elevator.Once the faults such as lower shaft does not turn appear, can be in time by signal feedback to PLC and then realize that host computer processes, and, by alarm equipment alarm, guarantee the safe handling of equipment.Because elevator, by centrifugal gravity mode blanking, during each blanking, always has partial material and falls back in elevator, thereby need suitably to strengthen lifting capacity.
Separator of the present utility model is stream curtain winnowing type separator, be provided with air quantity regulating gate and air quantity controllable register, make the Disengagement zone wind speed be controlled at 4-5m/s, can meet the confession ball needs of 2,4,6,8,10 impeller heads, and be provided with a Weight type stream curtain controllable register, controllable flow curtain thickness is uniform, realizes the Disengagement zone uniform distribution, and it is reinforced that upper and lower material level is controlled feeder.Adjust gate for ball amount size, can require button in electric control chamber to adjust at random for ball amount size according to the workpiece cleaning.For ball amount switch gate, adopt cylinder to control.This separator is by the chorista of 5 platform independent pneumatic controls, and corresponding abrasive material use of setting up 5 storage bin hoppers to supply respectively 5 impeller heads in top, and chorista is concentrated feed by helical feed.The BE type structure that the separator aidr bells blast system is three grades of separation, aidr bells blast system forms by flowing curtain adjusting axillare, deflector, one-level adjustable plate, secondary adjustable plate, absorption mouth, separation housing, screen cloth, storage ball bucket and volume damper.Ball slag mixture is carried to the separator drum sieve by elevator, be evenly equipped with helical blade inside and outside rotary screen, inner screwy fin sifts out large block through slag-drip opening and discharges, ball slag after sieving and dust mixture push through external spiral sheet and the screw distribution of rotary screen, make along the separation length uniform distribution, form stream curtain together, the sealing gap formed by adjusting the vertical and horizontal baffle plate, can guarantee to make the ball slag obtain sufficient sorting along forming uniform flowing full curtain on whole separation length.In ball slag mixture curtain decline process, horizontal gas flow is through heavy curtain, so that ball dirt is rinsed.Bullet waste material slag is not quite similar by different its deflection of its proportion with mixture, falls into respectively different passages, and pure qualified ball falls into hopper through screen cloth, for impeller head.The compound of separator well does not flow in elevator and again separates; Dust is inhaled in deduster and carries out purified treatment; The things such as broken ball, sand, oxide skin enter in the waste material pipe and discharge.The optimal separation effect of separator of the present utility model is that gap and one-level adjustable plate, the position of secondary adjustable plate and the butterfly valve on the separator air port by adjusting the spin axis baffle plate realized, this separator can reach 99.9%, separating the sieve aperture steel plate thickness is 4mm, dregginess in pure qualified bullet after separation<1%, qualified bullet content in waste material<1%, heavy curtain uniform distribution thickness can be controlled in the gap of suitably adjusting each adjustable plate, obtain the optimal separation effect, thereby reduced the wearing and tearing to shot blasting device blades, obtained satisfied cleaning quality simultaneously.
Auger conveyor of the present utility model is a kind of ball sand horizontal feed equipment of standard, and it is the vitals in projectile cycling system, mainly cycloidal planetary gear speed reducer, helical axis, helicla flute, rolling bearing units etc., consists of.One-piece auger axle postwelding processes to guarantee axiality.The sealing of helical axis and bearing adopts advanced labyrinth mode, to guarantee auger conveyor permanent service life.Adopt band square block roller bearing units, be external to increase the service life; Can automatically adjust good airproof performance while being subject to vibratory impulse.The machine is provided with laterally, vertically bullet reclaims each 1 cover of auger conveyor.Mainly by helical axis, conveyor screw, transmission mechanism, two ends maze-type structure etc., being formed. helical axis adopts thick-walled seamless steel pipes, the inside and outside processing of blade, flight stretching structure.Spiral cell body bottom is provided with and manually puts the ball gate.
Bullet replensiher of the present utility model is comprised of pneumatic gate valve, hopper, according to the separator bin-level, automatically supplements new bullet, prevents the feed inequality.
Spray-painting plant of the present utility model realized by paint spraying machine, mainly by paint spray booth, and the compositions such as upper and lower paint spraying cart, transmission mechanism, roll shaft, high-pressure airless paint spray pump and pipeline.Its back and forth movement speed of the upper and lower paint spraying cart of paint spraying machine 30～90m/min, adopt the transmission of variable-frequency motor chain drive-belt.Upper and lower paint spraying cart comes and goes two terminals and adopts the commutation of spacing frequency conversion buffering.Upper and lower paint spraying cart respectively is equipped with 2 spray guns, when upper and lower paint spraying cart back and forth movement, and alternation, upper paint spraying cart is equipped with spray gun down manual adjusting device, the operating position of capable of regulating spray gun.Behind paint spray booth excessively the rod axle adopt profile of tooth rod axle construction, guarantee that the steel plate bottom surface rear paint film that sprays paint is not rolled by roll shaft.Upper and lower paint spraying cart is equipped with photoelectric detection system, and when the workpiece shading, spray gun is opened, and without the workpiece spray gun, closes.Coating must stir, and after 60～80 eye mesh screens filter, by the high-pressure airless paint spray pump, coating is sent into to the transmission pipe road, and this system can meet the spraying requirement of the multiple paint such as inorganic zinc silicate, zinc rich primer.Paint spray booth is provided with the grounding connection antistatic.Dope room is indoor more spacious, but the convenient for maintaining personnel clean paint slag, service work.For guaranteeing safety operation, explosion-proof (anti-explosion is electromagnetic threshold voltage DC24V) all selected in the transmission of this system, pneumatic, illumination.
Drying chamber of the present utility model adopts the heat-wind circulate drying principle, by the hot air circulation electrical heating.After steel plate is dried by drying chamber, surperficial paint film can reach and refer to dry state.Mainly by moist closet body, transmission system, carrying roller, hot blast gas heating system, temperature detection etc., formed.The chamber body is removable steel construction, and locular wall is equipped with warming plate.For taking full advantage of heat energy, adopt Cycling hot-blast heating.Drying chamber is plate chain conveying-type, and carrying roller adopts seamless steel pipe end face welding steel angle structure.The chamber body adopts the double-layer plate case structure, can dismantle, and is convenient to the maintenance panel catenary system, and inner lining as thermal insulation material, be conducive to taking full advantage of of heat.Employing plate-and-chain conveyer in drying chamber.Heat source is arranged in the air-introduced machine pipeline on drying chamber top, adjusts the fan valve quantity-adjustable on airduct, utilizes electric contact formula temperature sensor, indoor temperature can be controlled between 40-80 ℃ automatically.Temperature controller is placed on the drying chamber sidewall, can observe easily and adjust.For explosion-proof, be provided with air exhausting device in drying chamber, with the concentration of the coating cloud of taking out light drying chamber.Together with the coating cloud air that the air that contains coating cloud of discharging produces with paint spray booth, by the gas filtration purifier, processed.
Gas filtration purifier of the present utility model mainly is comprised of coating cloud fountain filter, absorbent charcoal adsorber, steam generator desorption apparatus, blower fan, air pipeline.In the coating cloud produced in paint spray booth in spraying process and organic exhaust gas, drying chamber, the high concentration pernicious gas of volatilization enters coating cloud fountain filter chamber through the melt pit passage, enter after filtering absorbent charcoal adsorption tank, discharge atmosphere after charcoal absorption, discharge standard reaches the national environmental standard requirement.
Deduster of the present utility model adopts filter drum type precipitator, because of its filtrate, arranges that density is large, volume is little, and filter area is large, therefore can reduce SR, reduces operating cost, saves the energy.The low rate of filtration has also reduced air-flow washes away the destructiveness of filtrate, has extended the filter cylinder life-span.Filter core can be automatically and is carried out discontinuously deashing, and its mode is within arbitrary given time, only to have one group of filter core to carry out off-line ash-clearing.In the filter core deashing process, pulse control instrument is connected the power supply of an electromagnetic impulse valve, makes corresponding membrane valve ejection high voltage pulse air, pressure-air is from inside to outside through filter core, the dust be attached on the filter core outer surface is removed, and grit falls into the dirt bucket, then enters the collection ash bucket.Compressed-air actuated pressure preferably is adjusted into 6kg/cm
2, 6kg/cm
2-7kg/cm
2compressed air pressure is the setting value that can meet the standard of deashing functional requirement.The setting value of compressed air pressure is less, and the air consumption of pulse valve is less.Pulsation blowing control instrument generally is adjustable to every two minutes cleaning one row filter cores, within every two minutes, connects a pulse valve, strengthen the deashing energy, can improve compressed-air actuated pressure, but should not surpass 7kg/m
2.Every filter cylinder is processed 750 cubes of m/hs of calculating of air quantity, and the utility model is provided with two-stage dust removal, so that the sedimentation in advance of the larger dust of part particle.Nonwoven filtrate good rigidly, possess water repellency, and its filter area is 12 square metres/.
Electric control gear of the present utility model is comprised of low voltage component, Programmable Logic Controller (PLC), industrial computer, close-circuit television,closed-circuft televishon.The machine is provided with automatically, manual control mode, and manual control mode is for stand-alone debugging and maintenance of equipment.On-the-spot charging roller, shot-blast cleaning machine, cleaning device, paint spraying machine, discharging roller table etc. locate to be provided with manual sub-control platform; There is trouble point and observe and predict function, and impeller head operating current digital display meter is housed, be convenient to centralized Control, maintenance and observation.Paint spraying machine, shot-blast cleaning machine are provided with the sub-control box and are convenient to field control; The employing closed-circuit television monitors: the key position at production line is equipped with camera, can show duty completely on the display monitor central monitoring system of Master Control Room.Be provided with a giant-screen display monitor central monitoring system, screen is cut into to several parts, main window shows the duty of spray station; Microcomputer-based Dynamic simulated monitoring system: be that duty and accident completely monitored in real time, and record the attribute of all steel plates and encode and provide support for automatic printing.This software adopts Windows operating system, and this system has good man-machine interface; Each functional part is accumulated clocking capability running time.By host computer to carrying out timing the running time of burning time of service time of ball blast time of every impeller head, spray tip, burner, other each functional part, for maintenance and the detection of equipment provides reference; Many places are provided with emergency stop switch completely, can control under special circumstances completely and shut down; The entrance of production line, the shot blast room access door, the significant points such as paint spray booth's access door, be equipped with the safety interlocking switching device, and open at these positions, and the vitals such as impeller head can not be worked; System frequency converter frequency Auto-matching is regulated program, and according to the automatic or manual program, corresponding cleaning speed is carried out accurate Auto-matching adjustment or manually accurately input adjustment, guarantees uniformity and the accuracy of roller-way transporting velocity.Roller-way adopts the segmentation frequency control completely.On central control board, compressed air, fuel gas pressure show, groundwork current of electric, voltmeter.The demonstration of the roller-way speed of service is set.General supply arranges phase shortage, overvoltage, under-voltage device, and 3 of optoelectronic switches are surveyed high and paint spraying cart for lifting.27 of approach switchs, detect for the pressure roller on ball blast amount size detection, roller-way operation pulse, elevator operation pulse, each roller-way.13, travel switch, for access door, turn brush and turn brush spiral lifting etc.The series of products of the E3JK-5M1 type DC24V that optoelectronic switch selects Japanese Omron to produce; The E2E-X14MD type DC24V series of products that approach switch selects Japanese Omron to produce.The series of products of all selecting Schneider Electric Devices company to produce for air switch, press button, indicator lamp, A.C. contactor, auxiliary reclay, the travel switch of motor protection.Temperature controller adopts the product of Omron Corp.The C200HE type product that PLC selects Omron Corp to produce, input module is selected 16 DC24V, and output module is selected 16 point relay modules, and input, output all leave 10% surplus, and leave a vacant slot, in order to Party A in the future for the expansion of communication function.The PLC supply voltage is AC220V, and input module should set up the DC24V dc source.In PLC cabinet and frequency-charger cabinet, illuminating lamp is housed, when the cabinet door is turned on, lamp is bright, and an AC220V supply socket (capacity 1A) and heat radiation exhaust fan should be arranged in electric cabinet, guarantees the heating air draft requirement of its cabinet.
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (5)
1. a steel plate pretreatment system, it is characterized in that, comprise traversing feeding device, charging roller, shot-blast cleaning machine, delay table, spray-painting plant, deduster, electric control gear, discharging roller table and drying chamber, described traversing feeding device is provided with outlet, the described outlet of described traversing feeding device is connected with an end of described charging roller, described shot-blast cleaning machine is provided with import and outlet, the other end of described charging roller is connected with the import of described shot-blast cleaning machine, the outlet of described shot-blast cleaning machine is connected with an end of described delay table, described spray-painting plant is provided with import and outlet, the other end of described delay table is connected with the described import of described spray-painting plant, described drying chamber is provided with import and outlet, the described outlet of described spray-painting plant is connected with the described import of described drying chamber, described discharging roller table is provided with import and outlet, the described outlet of described drying chamber is connected with the described import of described discharging roller table, described shot-blast cleaning machine is connected with described deduster, the top of described delay table is provided with horizontal passageway platform, described traversing feeding device is by lift truck, bearing support, haulage gear and hydraulic system connect and compose, described shot-blast cleaning machine is provided with shot blast room, described shot blast room inside is provided with the ball blast indoor roller table, described charging roller, described discharging roller table, described delay table and described ball blast indoor roller table all drive by frequency control motor.
2. steel plate pretreatment system according to claim 1, is characterized in that, in described drying chamber, is provided with air exhausting device.
3. steel plate pretreatment system according to claim 1, is characterized in that, described deduster is filter drum type precipitator.
4. steel plate pretreatment system according to claim 1, is characterized in that, the end of described charging roller is provided with the backgauge roller.
5. steel plate pretreatment system according to claim 1, it is characterized in that, described steel pretreatment system also comprises the gas filtration purifier, described spray-painting plant all is connected with described gas filtration purifier with described drying chamber, described gas filtration purifier is provided with filter course, and described filter course is comprised of fire resistance fibre layer and nonwoven layer.
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| CN201320302739.9U CN203380783U (en) | 2013-05-29 | 2013-05-29 | Pre-treatment system of steel plates |
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| CN104538722A (en) * | 2014-12-31 | 2015-04-22 | 东莞洲亮通讯科技有限公司 | Surface treatment method of radio frequency passive module |
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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 |
Granted publication date: 20140108 Termination date: 20160529 |