CN101879486B - Spray booth for automatically recycling spray mist through electrostatic adsorption - Google Patents
Spray booth for automatically recycling spray mist through electrostatic adsorption Download PDFInfo
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- CN101879486B CN101879486B CN2010100395296A CN201010039529A CN101879486B CN 101879486 B CN101879486 B CN 101879486B CN 2010100395296 A CN2010100395296 A CN 2010100395296A CN 201010039529 A CN201010039529 A CN 201010039529A CN 101879486 B CN101879486 B CN 101879486B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention relates to a spray booth for automatically recycling spray mist through electrostatic adsorption, in particular to a spray booth for automatically recycling and treating spray mist generated during spraying operation. The spray booth comprises an electrostatic spray gun, a paint bucket providing paint to the spray gun, an air compressor providing high-pressure air and an enclosure which is provided with a workpiece fixing device and provides operation space for spraying. The enclosure comprises four operation chambers, including a spray chamber, an electrostatic chamber and a fan chamber which run through each other in sequence along the spraying direction, and a recycle chamber which is positioned below the electrostatic chamber and runs through the electrostatic chamber. The operators in the spray booth need to be equipped with masks and inflated protective clothing so that the operators can not breathe the toxic gases in the spray booth and can not have occupational diseases. The spray booth solves the problem that the existing machines have low spraying efficiency, even spraying but high price, low manual spraying cost, flexible operation but heavy labor intensity, poor operation conditions, etc, and has the characteristics of spray mist reduction and environmental protection, reduction of damage to the bodies of the operators and the environment, reduction of waste of paint resources, simple operation, high efficiency, etc.
Description
One, technical field
The present invention relates to a kind of spraying room, the spraying room that especially a kind of coating cloud that produces will spray work the time reclaims automatically and handles.
Two, background technology
Spraying is divided into two kinds, and a kind of is hand spray, and a kind of is the machine spraying.If the electrostatic painting mode is adopted in the machine spraying, has the efficient height, less wastage; Quality is good, helps advantages such as workers ' health, but electrostatic painting must use streamline to move automatically; Otherwise hand is taken the people of workpiece also can be sprayed and has been painted, and the pipelining equipment cost is higher, and the general workpiece that only is fit to rule of machine spraying; Range of application is relatively little, and therefore most domestic producer still adopts hand spray at present.
Hand spray is the work of a danger; Because the volatility and the toxicity of paint are all more intense, in painting process, can produce a large amount of paint fogs in the paint spray booth; This fog has not only lost a large amount of paint resources, 30%~50% paint waste is arranged approximately in air; Simultaneously also severe contamination working environment, have a strong impact on the healthy of workman.
At present; Tackle coating cloud several method is arranged; Like water curtain type (Chinese patent number is paint spray booth's coating cloud scavenge unit of 200420105892.3), dry type filtering type (the waste gas automatic processing device of the Paint spraying platform of Chinese patent numbers 94206861.0) etc.; But often changing water causes the waste of water resource or can not reclaim paint easily and cause secondary environmental pollution or screen pack that coating cloud particle capacity is reached capacity easily to need often to take out cleaning, therefore all can not reach fine coating cloud and remove and recovering effect.
Three, summary of the invention
The object of the invention is exactly to solve the deficiency that coating cloud is handled in the above-mentioned existing spraying process; A kind of spraying room that utilizes the high-pressure electrostatic suction-operated to reclaim coating cloud is provided, makes it have coating cloud and reduce more environmental protection, reduce characteristics such as workman's health and environment damage, the wasting of resources of minimizing paint, simple to operate, efficient height.
The spraying room that the automatic Electrostatic Absorption of coating cloud of the present invention reclaims is to adopt following scheme to realize: it comprises spray gun for paint, the paint kettle of paint is provided and the air compressor machine of pressure-air is provided and has the workpiece adsorbent equipment and the casing of working space is provided for spraying for spray gun for paint; Be characterized in: said spray gun for paint is the electrostatic painting rifle; Said casing comprises four working chambers; Be respectively the paint spray booth, static chamber, the fan house that connect successively along the direction of spraying paint; And the recovery chamber that is positioned at static chamber below and its perforation, wherein being provided with the operator's platform and the workpiece fixed station of electrostatic painting rifle in the paint spray booth, static is indoor and show three layers of Electrostatic Absorption net; Circulating fan and air exhauster are housed in the fan house; Circulating fan is arranged on the air inlet that connects the anterior circulation airduct in fan house top and paint spray booth, and air exhauster is arranged on the air inlet of the blast pipe that fan house is in communication with the outside, and reclaims indoor the have recycling bin of the paint that the collection Electrostatic Absorption falls and the refrigeration machine that recycling bin is lowered the temperature on the net.
Aforesaid operations person platform is positioned at the front portion, paint spray booth, and an anterior side is opened the door in the paint spray booth, and the handled easily person gets on the paint spray booth CFS to CFS platform, and opposite side is then adorned the control cabinet in this spraying room.Adorn a display at the control cabinet internal upper part, dress focuses on the camera of workpiece in the paint spray booth, and image is presented on the display, the convenient effect of spraying paint of observing.On air compressor machine, be connected to flexible pipe the pressure-air that produces is transported to the camera next door, in order to avoid coating cloud covers the normal function that influences them.
Above-mentioned workpiece fixed station is positioned at the rear portion, paint spray booth, and the track of fixing and stretch out the left and right sides, paint spray booth with it is arranged on it, and the go-cart that can move in orbit.Go-cart comprises that both sides are equipped with the chassis of wheel, is fixed with two cover workpiece adsorbent equipments on the chassis.Two cover workpiece adsorbent equipments work alone, and a cover carries out the Spray Painter when doing, another set of preparation of then spraying paint.Promptly when a cover workpiece adsorbent equipment moves on to track with go-cart in the middle of, when the workpiece confession is sprayed paint it on, another set of workpiece adsorbent equipment then is positioned at outside the paint spray booth, supplies another operator that the preparation of workpiece is installed.The every end of track can be arranged two operators, makes one to take off when spraying workpiece and delivering to subsequent processing, and another then continues workpiece to be painted is installed, and this just increases work efficiency.Above the workpiece fixed station, adorn fluorescent lamp, paint spray booth especially workpiece is illuminated, the handled easily person sprays paint the spray gun for paint alignment pieces.
Motor of above-mentioned track center fixed is used to control moving of go-cart.Intermeshing transmission mechanism is housed in motor and the go-cart, such as gear on the motor shaft and the tooth bar in the go-cart, or sprocket wheel on the motor shaft and the chain in the go-cart.The workpiece adsorbent equipment comprises that the bottom connects sucker, rotating mechanism and the control circuit thereof of air compressor machine tracheae.Sucker is used to adsorb workpiece; Rotating mechanism is used for the rotation of workpiece, so that the positive and negative of workpiece sprays paint, can adopt the band kind of drive; Control circuit is realized the correct rotation of motor in the rotating mechanism, is employed on the moving part of mechanism magnet is installed, and on the quiet part of mechanism, arranges two tongue tubes as limit switch at a distance from 180 degree, realizes the rotating of motor 180 degree is controlled.
The button of control sucker motor and go-cart motor all is loaded on the track two ends, by operating personnel's control of both sides, moves into the paint spray booth Yi Bian control the rotation and the go-cart of sucker in the cover workpiece adsorbent equipment.
Above-mentioned Electrostatic Absorption net comprises quadrilateral frame; Leave fixing anodal frame and negative pole frame with insulator and lframe cross piece; The iron wire loop that is enclosed within the row's positively charged utmost point in the upper and lower rotating shaft anchor ring groove is at certain intervals arranged in the wherein anodal frame; And have an automatic paint scraping device, promptly one with the fixing paint removal bar of anodal frame bottom on arrange row and iron wire loop position, the corresponding potsherd of quantity, iron wire loop places in the paint removal mouth of potsherd; And comprising the upward tape handler of rotating shaft rotation of drive, last rotating shaft is rotated and then is driven iron wire loop and rotates, and the paint on the iron wire is scraped by the paint removal mouth.The most advanced and sophisticated bar of the electronegative utmost point of arranging at certain intervals of a row is arranged in the negative pole frame, form electrostatic field between iron wire loop and the most advanced and sophisticated bar and attract electronegative coating cloud, it is adsorbed onto on the anodal iron wire loop.
3 slots of arranging are at certain intervals arranged in that static is indoor, it is indoor that the Electrostatic Absorption net inserts static by its framework along slot, makes the paint that scrapes from iron wire loop can be below these fall at interval in the recycling bin of recovery chamber.For 3 groups of Electrostatic Absorption nets, every group of high-pressure electrostatic that can add different value, and raise one by one by the sequencing of absorption coating cloud, as be respectively 20,000 volts, 60,000 volts, 100,000 volts, with the raising adsorption capacity.
In painting process, spray electronegative coating cloud by spray gun for paint, its part covers surface of the work, and the coating cloud of not running into workpiece will initiatively tend to the Electrostatic Absorption net, the paint that gathers is scraped to recycling bin again, thereby reaches the recovery purpose.The circulating fan of fan house and air exhauster promote coating cloud trend Electrostatic Absorption net and guarantee circulation of air, make recovery more effectively, safety.The paint that reclaims has reduced the evaporation rate of paint through the refrigeration machine cooling.
The operator that the present invention sprays the room need dispose face shield and inflation protective garment; Be characterized in: said face shield is the same with the protective garment that the husky rust cleaning of spray iron workman wears with the inflation protective garment; Face shield connects together with the inflation protective garment; Be an integral body, the middle pressure air hose of 4 kilograms of pressure is arranged in the inflation protective garment, middle pressure air hose is led to the air source of outside by mask top; Send the fresh air of outside to supply to spray the room operator's use through external air compressor machine, make the toxic gas of operator's no breathing the inside.
The present invention adopts the beneficial effect of such scheme to be:
1) paint of spray gun ejection and the absorption net of workpiece back all have static, have realized coating cloud in online the concentrating of absorption, and have scraped into realization in the recycling bin and reclaim; Significantly reduced coating cloud filling the air in working environment; Place the indoor employing air-conditioning temperature-reducing in spraying room simultaneously, the blower fan in the fan house can carry out temperature control to whole spraying room, and the paint in the paint kettle also is that low temperature is displayed; Make paint not volatile; More environmental protection reduces workman's health and environment damage, avoids painting in a large number the waste of resource simultaneously;
2) in the use of high-voltage electrostatic field because a large amount of ozone that the discharge of high-pressure electrostatic can produce are equivalent to an ozone generator, the organic solvent harmful components that the paint such as xylenes that it produces paint in the spraying room volatilize play the catharsis of decomposition;
3) the isolating and protecting clothes worn of spraying operator make the toxic gas of personnel's no breathing the inside as the protective garment that the husky rust cleaning of spray iron workman wears, and can not produce occupational disease;
4) workpiece is not charged different with electrostatic spraying in the work; Distance is far away between its spray gun and the workpiece, guarantees enough safe distances, and well-ventilated in the spraying room; Can not fill the air everywhere after the coating cloud absorption; Air material in the circulating fan is inner circulating air through filtering, and avoids spark phenomenon to produce, and guarantees operator's personal safety;
5) the manually-operated spray gun is more flexible, and is more simple in structure, simple to operation than machine full-automatic spraying; Pistol divides the work to carry out simultaneously with the many people of mounting or dismounting workpiece, and is lighter with respect to single while pistol and workpiece, alleviates operator's labour intensity, is easy to skillfully, improves the efficient of spraying paint;
6) setting of camera and display makes operator's workpiece of need not moving close to just can see to intuitive and convenient the effect of spraying paint, and in time repairs leaking the spray problem.
Four, description of drawings
Fig. 1 is the fundamental diagram in the spraying room of the automatic Electrostatic Absorption recovery of coating cloud of the present invention;
Fig. 2 is the output gas circuit connection layout of the air compressor machine among the present invention;
Fig. 3 is the three-dimensional structure diagram in the spraying room of the automatic Electrostatic Absorption recovery of coating cloud of the present invention;
Fig. 4 is the vertical view in the spraying room of the automatic Electrostatic Absorption recovery of coating cloud of the present invention;
Fig. 5 is the A-A cutaway view among Fig. 4;
Fig. 6 is track and the three-dimensional structure diagram of go-cart among the present invention;
Fig. 7 is track and the front view of go-cart among the present invention;
Fig. 8 is the B-B cutaway view among Fig. 7;
Fig. 9 is the control principle figure of workpiece motor in the workpiece adsorbent equipment among the present invention;
Figure 10 is the three-dimensional structure diagram of the Electrostatic Absorption net among the present invention;
Figure 11 is the enlarged drawing of node C among Figure 10
Figure 12 is the front view of the Electrostatic Absorption net among the present invention;
Figure 13 is the D-D cutaway view among Figure 12;
Figure 14 is the enlarged drawing of node E among Figure 13.
Label declaration in each width of cloth accompanying drawing is following:
The 1-paint spray booth; 1a-paint spray booth door; 1b-moves door; 1c-operator platform; 1d-workpiece fixed station; The 2-spray gun for paint; 2a-start tracheae; The 2b-tracheae that atomizes; 2c-coats with lacquer pipe; The 3-workpiece; 4-static chamber; 4a-static chamber door; The 4b-slot; 5-Electrostatic Absorption net; The 5a-framework; The 5b-insulator; The anodal frame of 5c-; The 5d-rotating shaft electric motor; The 5e-driving pulley; The 5f-belt; The 5g-driven pulley; The 5h-iron wire loop; 5i-paint removal bar; The 5j-potsherd; 5j1-paint removal mouth; The 5k-lower rotary shaft; The most advanced and sophisticated bar of 5m-; 5n-negative pole frame; The last rotating shaft of 5p-; 6-circulation airduct; The 6a-fan housing; The 7-fan house; The 8-circulating fan; The 9-air exhauster; The 10-blast pipe; The 11-flexible pipe; 1 2-paint kettle; 13-reclaims the chamber; The 14-recycling bin; 1 5-refrigeration machine; The 16-camera; 17-inflates protective garment; The 18-sucker; The 19-air compressor machine; The 19a-air reducing valve; The 19b-magnetic valve; The 20-display; The 21-control cabinet; The 22-track; The 23-go-cart; The 23a-chassis; 23b-magnet; 23c1-is just stopping tongue tube; The anti-tongue tube that stops of 23c2-; 23d-T shape frame; The 23e-sucker; The 23f-chain; The 23g-wheel; The 23h-small pulley; 23i-workpiece motor; 23j-is with synchronously; The big belt wheel of 23k-; 24a-operator a; 24b-operator b; 24c-operator c; 24d-operator d; 24e-operator e; 25a-button a; 25b-button b; 25c-button c; 25d-button d; The 26-fluorescent lamp; 27-go-cart motor; The 27a-sprocket wheel; 28-rotating commutation circuit; 29-is just changeing relay; The 29a-normally closed switch; The 30-relay that reverses; The 30a-normally closed switch.
Five, the specific embodiment
Below in conjunction with accompanying drawing the specific embodiment in the spraying room of the automatic Electrostatic Absorption recovery of coating cloud of the present invention is described in detail.
As shown in fig. 1, be fundamental diagram of the present invention, promptly paint kettle 12 is that electrostatic painting rifle 2 provides paint through flexible pipe 11 connection lacquer pipe 2c; The coating cloud that is gone out by electrostatic painting rifle spray 2 has negative electricity; Its part covers workpiece 3 surfaces, and some is crossed workpiece 3 and gets into the electrostatic field of Electrostatic Absorption net 5, thereby is adsorbed on its positive pole; The paint that is adsorbed falls in the recycling bin 14 then; Recycling bin 14 has refrigeration machine 15, guarantees that the paint that reclaims is in low temperature and avoids a large amount of volatilizations, thereby reaches effective recovery purpose.
And, for improving absorption efficiency, place the Electrostatic Absorption net 5 that three row's voltages increase successively, and place circulating fan 8 and air exhauster 9 in Electrostatic Absorption net 5 back, promote coating cloud to get in the electrostatic field.
Shown in dotted line among Fig. 1; For realizing that effective recovery operation needs the space of a relative closure; Therefore electrostatic painting rifle 2 and paint kettle 12 are placed in the paint spray booth 1, Electrostatic Absorption net 5 is placed in the static chamber 4, circulating fan 8 and air exhauster 9 are placed in the fan house 7; Fan house 7 is connected through circulation airduct 6 with paint spray booth 1, recycling bin 14 and refrigeration machine 15 is placed reclaim in the chamber 13.
Concrete structure of the present invention is like Fig. 3,4, shown in 5, and it comprises spray gun for paint 1, the paint kettle 12 of paint is provided and the air compressor machine 19 of pressure-air is provided and has workpiece 3 adsorbent equipments and the casing of working space is provided for spraying for spray gun for paint 1.Casing comprises four working chambers; Be respectively the paint spray booth 1, static chamber 4, the fan house 7 that connect successively along the direction of spraying paint; And the recovery chamber 13 that is positioned at 4 belows, static chamber and its perforation; Wherein be provided with the operator's platform 1c and the workpiece fixed station 1d of spray gun for paint 2 in the paint spray booth 1; In the static chamber 4 and show three layers of Electrostatic Absorption net 5, circulating fan 8 and air exhauster 9 are housed in the fan house 7, circulating fan 8 is arranged on the air inlet that connects fan house 7 tops and the circulation airduct 6 of 1 front portion, paint spray booth; Air exhauster 9 is arranged on the air inlet of the blast pipe 10 that fan house 7 is in communication with the outside, and reclaiming has the recycling bin 14 of collecting the paint that falls on the Electrostatic Absorption net 5 and the refrigeration machine 15 that recycling bin 14 is lowered the temperature in the chamber 13.Circulation airduct 6 and paint spray booth 1 are connected through a fan housing 6a, to increase draught area, promote its draught effect and to the cooling effect in the spraying room.
Spray gun for paint 2 is an electrostatic painting rifle 2, and electrostatic painting rifle 2 can a shared electrostatic generator with Electrostatic Absorption net 5.
As shown in Figure 5, operator's platform 1c is positioned at 1 front portion, paint spray booth, and 1 an anterior side is opened a door 1a of fan paint spray booth in the paint spray booth, the control cabinet 21 in opposite side dress spraying room.Adorn a display 20 at control cabinet 21 internal upper parts, dress focuses on the camera 16 of workpiece 3 in paint spray booth 1, and workpiece 3 images are presented on the display 20.On air compressor machine 19, be connected to tracheae the pressure-air that produces is transported to camera 16 fronts, in order to avoid coating cloud covers the normal function that influences them.
As shown in Figure 5, workpiece fixed station 1d is positioned at 1 rear portion, paint spray booth, and the track 22 of fixing and stretch out 1 left and right sides, paint spray booth with it is arranged on it, and the go-cart 23 of the dress workpiece 3 that can on track 22, move.The left and right sides, 1 rear portion, paint spray booth is empty, so that the turnover of stretching out and being equipped with the go-cart 23 of workpiece 3 of track 22.For reducing coating cloud to external diffusion, can above the left and right sides, 1 rear portion, paint spray booth track 22, respectively adorn a fan and move a 1b, move that a 1b can be set to remove up and down or about remove.Dress fluorescent lamp 26 illuminates especially workpiece of paint spray booth 1 above the workpiece fixed station 1d in paint spray booth 1, makes things convenient for paint spraying.
Like Fig. 6,7, shown in 8, track 22 is two relative channel-section steels, and go-cart 23 comprises that both sides are equipped with the chassis 23a of wheel 23g, and wheel 23g slides in the groove of track 22, and is included in chassis 23a and goes up two fixing cover workpiece adsorbent equipments.Be fixed with a go-cart motor 27 at track 22 middle parts; The transmission mechanism of go-cart 23 adopts the chain transmission; Promptly the 23a upper side edge is equipped with a chain 23f on the chassis, dress sprocket wheel 27a on the axle of go-cart motor 27, sprocket wheel 27a and chain 23f engagement; When motor shaft rotated, chain-drive mechanism made go-cart 23 be with workpiece 3 to move.For demonstrating go-cart motor 27, go-cart 23 is slided into the centre position among Fig. 6, during actual the use, go-cart 23 is the two ends that are positioned at track 22, promptly always has a cover workpiece adsorbent equipment to be positioned at track 22 central authorities.
The workpiece adsorbent equipment comprises that the bottom connects the sucker 23e that is used to adsorb workpiece of air compressor machine 19 tracheaes, is used for rotating mechanism and control circuit thereof that workpiece 180 is spent positive and negative rotation.Rotating mechanism adopts the band kind of drive, promptly comprises the workpiece motor 23i fixing with chassis 23a, the small pulley 23h on the workpiece motor 23i axle, is installed in big belt wheel 23k on the chassis, and the synchronous band 23j that meshes with big belt wheel 23k, small pulley 23h.For guaranteeing the stable of workpiece 3 absorption, on a cover workpiece adsorbent equipment, two sucker 23e are set, promptly, adorn two sucker 23e at T shape frame 23d end face at a big T shape of belt wheel 23k center fixation frame 23d.
Control circuit is realized the correct rotation of workpiece motor 23i in the rotating mechanism; The moving part that is employed in mechanism is that a magnet 23b is installed on the disc of big belt wheel 23k; On the quiet part of mechanism is circumference identical with magnet 23b radius of turn on the 23a of chassis, arrange two normally closed dry reed pipes (just stopping tongue tube 23c1, the anti-tongue tube 23c2 that stops) as limit switch, realize rotating control workpiece motor 23i 180 degree at a distance from 180 degree.
As shown in Figure 9, be the control principle figure of workpiece motor 23i, the mode of connection of the forward and backward of not drawing among figure relay (29,30) normal open switch and motor, it adopts common motor positive and inverse connection.It among the figure control circuit of forward and backward relay (29,30); Comprise that promptly control just changeing and control the button 25a that reverses, have an input and control the wire loop that two outputs are alternately exported the rotating commutation circuit 28 of signal, forward and backward relay (29,30); Wherein button 25a is connected with input; Two outputs are connected with the coil of forward and backward relay (29,30); And on the wire loop that just changes relay 29, be connected in series the normally closed switch 30a of counter-rotating relay 30 and just stopping tongue tube 23c1, serial connection is just being changeed the normally closed switch 30a and the anti-tongue tube 23c2 that stops of relay 29 on the wire loop of counter-rotating relay 30.
The operation principle of this control circuit is following:
When workpiece motor 23i is just changeing, press the button 25a, make to connect the output output signal that is just changeing relay 29 coils in the rotating commutation circuit 28; Because it is all closed just to stop the normally closed switch 30a of tongue tube 23c1 and counter-rotating relay 30, is just changeing relay 29 and is getting electric adhesive, connects and is just changeing relay 29 wire loops; Its normally opened contact is closed, connects and is just changeing control loop, and workpiece motor 23i positive sequence inserts power supply; The forward starting operation; Its normally-closed contact breaks off simultaneously, cuts off counter-rotating relay 30 wire loops, realizes interlocking.Workpiece 3 positive and negatives exchange when workpiece 3 Rotate 180s are spent, and magnet 23b just in time with just to stop tongue tube 23c1 relative, makes its disconnection, cuts off and is just changeing relay 29 wire loops, and workpiece motor 23i is stopped operating.
When needed workpiece 3 positive and negatives to exchange next time, workpiece motor 23i was just changing counter-rotating, presses the button 25a again; Make in the rotating commutation circuit 28 the output output signal that connects counter-rotating relay 30 coils, because counter to stop tongue tube 23c2 all closed with the normally closed switch 29a that is just changeing relay 29, counter-rotating relay 30 gets electric adhesive; Connect counter-rotating relay 30 wire loops, its normally opened contact is closed, connects the counter-rotating control loop; Workpiece motor 23i inverted sequence inserts power supply, the back-to-back starting running, and its normally-closed contact breaks off simultaneously; Cutting off is just changeing relay 29 wire loops, realizes interlocking.Workpiece 3 positive and negatives exchange when workpiece 3 Rotate 180s are spent, and magnet 23b just in time with just to be stopped at reed pipe 23c1 relative, makes its disconnection, cuts off and is just changeing relay 29 wire loops, and workpiece motor 23i is stopped operating.Workpiece 3 positive and negatives exchange as the same once more.
Two cover workpiece adsorbent equipments work alone, and a cover carries out the Spray Painter when doing, and therefore another set of preparation of then spraying paint have control circuit and button separately.The button of control workpiece motor 23i and go-cart motor 27 all is loaded on track 22 two ends, by operating personnel's control of both sides, moves into paint spray booth 1 Yi Bian control the rotation and the go-cart 23 of workpiece 3 in the cover workpiece adsorbent equipment.
The operator in spraying room 1 need dispose face shield and inflation protective garment 17.Face shield is the same with the protective garment that the husky rust cleaning of spray iron workman wears with inflation protective garment 17; Face shield connects together with inflation protective garment 17; Be an integral body, the middle pressure air hose of 4 kilograms of pressure is arranged in the inflation protective garment 17, middle pressure air hose is led to the air source of outside by mask top; Send the fresh air of outside to supply to spray the room operator's use through external air compressor machine 19, make the toxic gas of operator's no breathing the inside.
As shown in Figure 2, air compressor machine 19 is that 4 parts provide source of the gas, promptly adsorbs the sucker 23e of fixation workpiece 3, and the inflation protective garment 17 that the operator wears is taken workpiece the spray paint camera 16 of face and the start tracheae 2a of electrostatic painting rifle 2 and atomizing tracheae 2b.Different gases at high pressure are exported on each road of air compressor machine 19, and it is by different air reducing valve 19a and magnetic valve 19b control, and air compressor machine 19 can place in the paint spray booth 1.
The operating process in spraying room is following:
As shown in Figure 5, the spraying room needs five common cooperatings of operator.Wherein operator a24a opens on operator's platform 1c that stands in the door 1a of the paint spray booth entering paint spray booth 1; Hand-held spray gun for paint 2 work; The stand both sides of 1 outside track, 22 1 ends of operator b24b and operator c24c in the paint spray booth; The stand both sides of in the paint spray booth 1 outside track, 22 other ends of operator d24d and operator e24e, operator b, c, d, e (24b, 24c, 24d, 24e) do the installation of workpiece 3 and take off workpiece, promptly prepare, postorder work.
Because operator b24b is nearer from control cabinet 21, then by the control panel on its operation control box 21, start shooting, operation such as shutdown.
In place as five people, after operator b24b starts shooting, each function on; Such as air compressor machine 19, recovery, refrigeration, blower fan, fluorescent lamp 26, camera 16 etc.; This moment a wherein cover workpiece 3 adsorbent equipments in the go-cart 23 be positioned at operator b24b and operator c24c in face of, workpiece 3 to be painted is placed on two sucker 23e the valve of unlatching sucker 23e by operator b24b; High pressure is air-breathing to be adsorbed on workpiece 3 on the sucker 23e; Operator b24b presses the control button of go-cart motor 27 again, makes go-cart 23 be with workpiece to get in the paint spray booth 1, supplies the operator a24a work of spraying paint.This moment, another set of workpiece 3 adsorbent equipments in the go-cart 23 then were pushed out paint spray booth 1, and be positioned at operator d24d and operator e24e in face of, the work of operator d24d repetitive operation person b24b places a workpiece 3 to be painted on the sucker 23e.After operator a24a had sprayed one side, operator b24b will note in time pressing the rotary knob 25a of sucker 23e, and workpiece 3 is carried out 180 degree counter-rotatings, made operator a24a can carry out the spraying of another side.Behind operator d24d dress finished piece(s); Press the control button of go-cart motor 27 again, with the workpiece to be painted 3 that installs deliver to operator a24a in face of, and will spray workpiece deliver to operator b24b in face of; Closing magnetic valve 19b valve by operator b24b takes off workpiece 3; And delivering to next baking operation place, operator c24c begins repetitive operation person b24b work before in the process of sending, and next workpiece 3 to be painted is installed on the sucker 23e.After installing, when operator a24a has sprayed, then go-cart 23 move again will spray workpiece 3 deliver to operator d24d in face of, take off and deliver to subsequent processing by operator d24d, and repeat the installation of next workpiece 3 by operator e24e.So repeatedly; Workpiece 3 can constantly be admitted in the paint spray booth 1, in getting the process of dress, does not delay the work of spraying paint, and operator b, c, d, e (24b, 24c, 24d, 24e) are responsible for installation, the rotation of same workpiece 3 separately; Take off and under send work, guarantee the normal process flow process of workpiece 3.
As shown in Figure 5,3 slot 4b that arrange are at certain intervals arranged in static chamber 4, and open a fan static chamber door 4a in 4 sides, static chamber, open static chamber door 4a after, Electrostatic Absorption net 5 is inserted in the static chamber 4 along slot 4b.Like Figure 10,12, shown in 13, Electrostatic Absorption net 5 comprises quadrilateral frame 5a, isolates fixing anodal frame 5c and negative pole frame 5n with insulator 5b and framework 5a.
Shown in figure 11; The iron wire loop 5h that is enclosed within the row's positively charged utmost point in upper and lower rotating shaft (5p, 5k) the anchor ring groove is at certain intervals arranged in the anodal frame 5c; And have automatic paint scraping device, and promptly on a paint removal bar 5i fixing bottom anodal frame 5c, arrange row and iron wire loop 5h position, the corresponding potsherd 5j of quantity, shown in figure 14; Iron wire loop 5h places in the paint removal mouth 5j 1 of potsherd 5j, and paint removal mouth 5j1 diameter is than the big 0.1mm~1mm of iron wire loop 5h diameter of section; And comprise and drive to go up the tape handler that rotating shaft 5p rotates.Shown in figure 10, this tape handler comprises the rotating shaft electric motor 5d that is fixed on framework 5a end face, driving pulley 5e, the driven pulley 5g that is fixed on rotating shaft 5p one end that is driven by rotating shaft electric motor 5d and the belt 5f that meshes with driving pulley 5e and driven pulley 5g.Upper and lower rotating shaft (5p, 5k) and paint removal bar 5i can adopt fiber-glass pole, play insulating effect, prevent that the conductive strips same potential influences electrostatic interaction between the different electrode iron wires.
Shown in figure 13, the most advanced and sophisticated bar 5m of the electronegative utmost point of a row of layout is at certain intervals arranged in the negative pole frame 5n, form electrostatic field between iron wire loop 5h and the most advanced and sophisticated bar 5m and attract electronegative coating cloud, make on its iron wire loop 5h that is adsorbed onto the positively charged utmost point.
The removal process of coating cloud is following:
In painting process, by the electronegative coating cloud of spray gun for paint 2 ejection, its part covers workpiece 3 surfaces, and the coating cloud of not running into workpiece 3 will initiatively tend to Electrostatic Absorption net 5, be deposited on the iron wire loop 5h surface of positively charged through electrostatic field gravitation.By the operator open reclaim function after; Rotating shaft electric motor 5d on the Electrostatic Absorption net 5 drives the fixing driven pulley 5g with last rotating shaft 5p through belt 5f; And then drive iron wire loop 5h rotation, shown in arrow among Figure 14, iron wire loop 5h passes through from paint removal mouth 5j1; So that the paint on the iron wire loop 5h is scraped to anodal frame 5c by paint removal mouth 5j1; Shown in arrow among Fig. 5, the paint that gathers since gravity can from the interval of each slot 4b, fall into below the recovery chamber 13 recycling bin 14 in, thereby reach the recovery purpose.The circulating fan 8 of fan house 7 and the wind direction of air exhauster 9 are shown in arrow among Fig. 1, and it is consistent with the direction of spraying paint, and promote coating cloud trend Electrostatic Absorption net 5 to be absorbed.The paint that reclaims has reduced the evaporation rate of paint through the refrigeration machine cooling.
The curing of painting owing to photocuring needs ultraviolet irradiation, accumulate in to be scraped more easily after iron wire loop 5h goes up, so this paint spray booth is particularly suitable for the spraying and the recovery of photocuring paint.
Claims (7)
1. the spraying room that reclaims of the automatic Electrostatic Absorption of a coating cloud; It comprises spray gun for paint (1), for spray gun for paint (1) provide paint paint kettle (12) and for the start tracheae (2a) of spray gun for paint (2) and atomizing tracheae (2b) provide pressure-air air compressor machine (19), and in the workpiece adsorbent equipment is arranged and be to spray the casing that working space is provided; It is characterized in that: said spray gun for paint (1) is the electrostatic painting rifle; Said casing comprises four working chambers; Be respectively the paint spray booth (1), static chamber (4), the fan house (7) that connect successively along the direction of spraying paint; And be positioned at below the static chamber (4) and the recovery chamber (13) of its perforation; Wherein be provided with the operator's platform (1c) and the workpiece fixed station (1d) of spray gun for paint (2) in paint spray booth (1); Static chamber (4) is interior and show three layers of Electrostatic Absorption net (5), and circulating fan (8) and air exhauster (9) are housed in the fan house (7), and circulating fan (8) is arranged on the air inlet of the circulation airduct (6) that connects fan house (7) top and paint spray booth (1) front portion; Air exhauster (9) is arranged on the air inlet of the blast pipe (10) that fan house (7) is in communication with the outside, and reclaiming has collection by the recycling bin (14) of the paint that falls on the Electrostatic Absorption net (5) and the refrigeration machine (15) that recycling bin is lowered the temperature in the chamber (13).
2. the spraying room that the automatic Electrostatic Absorption of coating cloud according to claim 1 reclaims; It is characterized in that: said operator's platform (1c) is positioned at front portion, paint spray booth (1); And in the paint spray booth (1) anterior side is opened a fan paint spray booth door (1a), the control cabinet (21) in opposite side dress spraying room; At control cabinet (21) internal upper part dress display (20); Dress focuses on the camera (16) of workpiece (3) in said paint spray booth (1); And the image of workpiece (3) is presented on the display (20), on air compressor machine (19), there is tracheae that the pressure-air that produces is transported to camera (16) front.
3. the spraying room that the automatic Electrostatic Absorption of coating cloud according to claim 1 reclaims; It is characterized in that: said workpiece fixed station (1d) is positioned at rear portion, paint spray booth (1); The track (22) of fixing and stretch out the left and right sides, paint spray booth (1) with it is arranged on it, and can go up the go-cart (23) of the dress workpiece (3) that moves at track (22); The left and right sides, rear portion, said paint spray booth (1) is empty, and (1) left and right sides, rear portion track (22) top is respectively adorned a fan and moved door (1b) in the paint spray booth, said move that door (1b) is set to remove up and down or about remove; Workpiece fixed station (1d) top dress fluorescent lamp (26) in paint spray booth (1).
4. the spraying room that the automatic Electrostatic Absorption of coating cloud according to claim 3 reclaims; It is characterized in that: said track (22) is two relative channel-section steels; Said go-cart (23) comprises that both sides are equipped with the chassis of wheel (23g) (23a); Wheel (23g) slides in the groove of track (22), and go-cart (23) also is included in chassis (23a) and goes up the workpiece adsorbent equipment that two fixing covers work alone; Be fixed with a go-cart motor (27) at track (22) middle part; The transmission mechanism of go-cart (23) adopts chain-drive mechanism or rack gear; Promptly (23a) upper side edge is adorned a chain (23f) or tooth bar on the chassis; Axle at go-cart motor (27) is gone up dress sprocket wheel (27a) or gear, sprocket wheel (27a) and chain (23f) engagement, wheel and rack engagement;
Said workpiece adsorbent equipment comprises that the bottom connects the sucker that is used to adsorb workpiece (23e) of air compressor machine (19) tracheae, is used for rotating mechanism and control circuit thereof that workpiece (23i) 180 is spent positive and negative rotation; On every cover workpiece adsorbent equipment, two suckers (23e) are set, promptly, adorn two suckers (23e) at T shape frame (23d) end face at big belt wheel (23k) center fixation T shape frame (23d);
Said rotating mechanism adopts the band kind of drive, promptly comprises workpiece motor (23i), the small pulley (23h) workpiece motor (23i) axle on fixing with chassis (23a), is installed in big belt wheel (23k) on the chassis, and the synchronous band (23j) that meshes with belt wheel (23k), small pulley (23h) greatly;
Said control circuit is employed in a magnet (23b) is installed on the disc of big belt wheel (23k), goes up on circumference identical with magnet (23b) radius of turn at a distance from 180 degree at chassis (23a) and arranges that two normally closed dry reed pipes are promptly just stopping tongue tube (23c1) and stopping tongue tube (23c2) conduct workpiece motor (23i) 180 is spent the limit switch that rotatings are controlled with counter; Said control circuit comprises just changes relay (29), counter-rotating relay (30); Also comprise and not only control the button (25a) that just changes but also control counter-rotating, have an input and control two outputs and alternately export the rotating commutation circuit (28) of signal, just change the wire loop of the relay (29) and the relay (30) that reverses; Wherein button (25a) is connected with input; Two outputs are connected with the coil that just changes relay (29), counter-rotating relay (30) respectively; And on the wire loop that just changes relay (29), be connected in series the normally closed switch (30a) of counter-rotating relay (30) and just stopping tongue tube (23c1), serial connection is just being changeed the normally closed switch (30a) and the anti-tongue tube (23c2) that stops of relay (29) on the wire loop of counter-rotating relay (30).
5. the spraying room that the automatic Electrostatic Absorption of coating cloud according to claim 1 reclaims; It is characterized in that: five operator a of said spraying room needs, b, c, d, e (24a, 24b, 24c, 24d, 24e); Wherein operator a (24a) stands on operator's platform (1c); The stand both sides of (1) outside track (22) one ends of operator b (24b) and operator c (24c) in the paint spray booth, the stand both sides of (1) outside track (22) other end of operator d (24d) and operator e (24e) in the paint spray booth; Said operator need dispose face shield and inflation protective garment (17); Face shield is linked to be an integral body with inflation protective garment (17); The middle pressure air hose that 4 kilograms of pressure are arranged in the inflation protective garment (17); The middle air hose of pressing has tracheae to be connected with inflation protective garment (17) on air compressor machine (19) by the air source that mask top leads to the outside.
6. the spraying room that the automatic Electrostatic Absorption of coating cloud according to claim 1 reclaims; It is characterized in that: side, said static chamber (4) has a fan static chamber door (4a); 3 slots of arranging at certain intervals (4b) are arranged in static chamber (4); Electrostatic Absorption net (5) inserts in the static chamber (4) along slot (4b), and Electrostatic Absorption net (5) comprises quadrilateral frame (5a), isolates fixing anodal frame (5c) and negative pole frame (5n) with insulator (5b) and framework (5a).
7. the spraying room that the automatic Electrostatic Absorption of coating cloud according to claim 6 reclaims; It is characterized in that: the iron wire loop (5h) that is enclosed within the row's positively charged utmost point in rotating shaft (5p) and lower rotary shaft (5k) the anchor ring groove is at certain intervals arranged in the said anodal frame (5c); And automatic paint scraping device arranged; Promptly going up layout one row and iron wire loop (5h) position, the corresponding potsherd (5j) of quantity with the fixing paint removal bar (5i) in anodal frame (5c) bottom; Iron wire loop (5h) places in the paint removal mouth (5j1) of potsherd (5j), and paint removal mouth (5j1) diameter is than the big 0.1mm~1mm of iron wire loop (5h) diameter of section; And comprise and drive to go up the tape handler that rotating shaft (5p) is rotated that this mechanism comprises the rotating shaft electric motor (5d) that is fixed on framework (5a) end face, driving pulley (5e), the driven pulley (5g) that is fixed on rotating shaft (5p) end that is driven by rotating shaft electric motor (5d) and the belt (5f) that meshes with driving pulley (5e) and driven pulley (5g); Have in the said negative pole frame (5n) at certain intervals the electronegative utmost point of a row arranged and iron wire loop (5h) between form the most advanced and sophisticated bar (5m) of electrostatic field.
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CN2010100395296A CN101879486B (en) | 2010-01-06 | 2010-01-06 | Spray booth for automatically recycling spray mist through electrostatic adsorption |
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CN2010100395296A CN101879486B (en) | 2010-01-06 | 2010-01-06 | Spray booth for automatically recycling spray mist through electrostatic adsorption |
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CN101879486B true CN101879486B (en) | 2012-07-04 |
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Effective date of registration: 20180914 Address after: 310021 301, room 38, Shiqiao road 279, Xiacheng District, Hangzhou, Zhejiang. Patentee after: Hangzhou tengying Industrial Design Co.,Ltd. Address before: 310011 Hangzhou 547 Gongshu District Hangzhou Xiangyuan Technology Co., Ltd., 1 Xiangyuan Road, Gongshu District, Zhejiang Patentee before: Wang Baogen |
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Granted publication date: 20120704 Termination date: 20220106 |