CN113042284B - Full-automatic powder spraying production line - Google Patents
Full-automatic powder spraying production line Download PDFInfo
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- CN113042284B CN113042284B CN202110267583.4A CN202110267583A CN113042284B CN 113042284 B CN113042284 B CN 113042284B CN 202110267583 A CN202110267583 A CN 202110267583A CN 113042284 B CN113042284 B CN 113042284B
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- spraying
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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
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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
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/43—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by filtering the air charged with excess material
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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
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/45—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using cyclone separators
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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
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/48—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for particulate material
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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
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
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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
- B05B16/40—Construction elements specially adapted therefor, e.g. floors, walls or ceilings
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
A full-automatic powder spraying production line comprises a circulating conveying line, a pre-coating treatment system, a powder spraying system and a heating and curing system, wherein the pre-coating treatment system, the powder spraying system and the heating and curing system are sequentially arranged along the conveying direction of the circulating conveying line; the powder spraying system comprises a spraying room, powder spraying equipment, a powder recovery device and a powder supply center; the spraying room comprises a base and a plurality of wall plates, and a recovery opening is reserved between the wall plates; the wall plate is internally provided with a recovery channel communicated with the powder recovery device, and the side wall of the wall plate is provided with a plurality of recovery holes communicated with the recovery channel. According to the powder spraying system, the limit of powder recovery in the prior art is removed by arranging the recovery hole, so that the powder recovery capacity of the powder spraying system is greatly enhanced, and then the powder recovery device is used for multiple filtration, so that the filtration efficiency of the powder recovery device can be kept up with the powder recovery efficiency of the powder spraying system, and therefore, complementary effects are achieved, the use quality of the powder spraying system is improved, the overall production quality of the powder spraying production line is guaranteed, and the powder spraying system is suitable for wide popularization and application.
Description
Technical Field
The invention relates to the field of powder spraying, in particular to a full-automatic powder spraying production line.
Background
Powder spraying refers to a coating process in which a powder coating is adhered to a workpiece by corona discharge. Dusting is an essential process in modern high-speed multicolor offset printing processes.
When the spraying of aluminium alloy was colored, this process was gone on in vertical spraying room, and two blocks of wallboards are the contained angle setting about and form and spout the room, and the spraying mechanism carries out the spraying powdering to the aluminium alloy that hangs in the vertical spraying room. During the spraying process, only a portion of the powder will be applied to the surface of the workpiece, and many of the powder will fall or spray onto the inside of the wall panel, for which it needs to be recycled.
Current recovery mode sets up the base in vertical spray booth below, and the powder that falls is caught to the base to the gap formation of handing-over position in the middle of two wallboards is retrieved the mouth, should retrieve the mouth outside and set up the recovery tuber pipe of dusting, and the recovery tuber pipe of dusting sets up along gap from the top down to connect the recovery fan, and the recovery fan siphons away the redundancy back of dusting, comes out the supply with powder center through filtration with powder filtering separation and recycles this powder. However, in the prior art, only the recovery port is used for recovering the powder, in this way, the powder close to the recovery port is easy to recover, but the powder far away from the recovery port cannot be effectively recovered, the recovery effect is very general, and the phenomena of powder waste and redundancy caused by the scattering of the powder out of the spraying room and the dropping of the powder on the base exist.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a full-automatic powder spraying production line.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a full-automatic powder spraying production line comprises a circulating conveyor line, a coating pretreatment system, a powder spraying system and a heating and curing system, wherein the coating pretreatment system, the powder spraying system and the heating and curing system are sequentially arranged along the conveying direction of the circulating conveyor line;
the powder spraying system comprises a spraying room corresponding to the circulating conveying line, powder spraying equipment for spraying powder to the workpiece passing through the spraying room, a powder recovery device communicated with the spraying room and a powder supply center for supplying powder to the powder spraying equipment;
the spraying room comprises a base and a plurality of wall plates, the wall plates surround the base to form a spraying station in a semi-enclosed structure, and recovery ports correspondingly communicated with the powder recovery device are reserved between the wall plates;
the method is characterized in that: the spraying device is characterized in that a recovery channel communicated with the powder recovery device is arranged in the wallboard, a plurality of recovery holes communicated with the recovery channel are formed in the side wall of the wallboard, and the recovery holes are uniformly distributed in the side wall of the wallboard.
In the invention, the wall plate is formed by flexible insulating plastics which are connected end to end, and the inner ring of the flexible insulating plastics is the recovery channel.
In the invention, the spraying room is provided with a first cleaning device which can enter a spraying station to clean the side wall of the wallboard.
In the present invention, a second cleaning device is provided in the recovery passage for cleaning the powder adhered to the wall surface of the recovery passage.
In the invention, the powder recovery device comprises a cyclone separator and a powder filter, the cyclone separator is communicated with a recovery port and a recovery channel of the spray room through a recovery air pipe, the cyclone separator is connected with the powder filter through a filtering pipeline, and the cyclone separator is connected with the powder supply center through a transfer pipeline.
In the invention, a second filter chamber, a first air purifying chamber, a second air purifying chamber and an installation chamber are arranged in the powder filter from bottom to top in sequence, the second filter chamber is communicated with the filter pipeline, the second filter chamber is communicated with the first air purifying chamber through a first mesh plate, and each mesh of the first mesh plate is provided with a filter bag assembly positioned in the filter chamber; first air-purifying chamber and second air-purifying chamber communicate each other, be equipped with the recovery fan in the installation room, the air inlet end and the second air-purifying chamber intercommunication of recovery fan, the end of giving vent to anger is connected with and stretches out the outdoor exhaust pipe of installation.
In the invention, a pulse back-blowing device is arranged in the first air purifying chamber and is used for back-blowing the filter bag in the first air purifying chamber.
In the invention, the first air purifying chamber and the second air purifying chamber are communicated through a second mesh plate, a plurality of second meshes are uniformly distributed on the second mesh plate, a filtering module capable of movably covering each second mesh when the air quality in the first air purifying chamber does not reach the standard is arranged in the first air purifying chamber, and a driving mechanism for driving the filtering module to overturn and cover the second meshes is arranged on the powder filter.
In the present invention, an air detector for detecting air in the first clean room is connected to the driving mechanism.
In the invention, the outer side of the recovery port is connected with a powder collecting pipe, the powder collecting pipe is arranged from top to bottom along the recovery port and communicated with the recovery air pipe, and the recovery channel is communicated with the recovery air pipe through the powder collecting pipe.
The invention has the beneficial effects that: the wall plates of the spray room are provided with the plurality of recovery holes, so that all the wall plates of the spray room can recover powder through the recovery holes, the limitation that the powder can be recovered only by utilizing a recovery port in the traditional spray room is avoided, and the phenomena that the powder is redundant in the spray room and the powder is scattered outside the spray room when the powder is not recovered in time are avoided. In addition, the spray room can be cleaned comprehensively by the first cleaning device and the second cleaning device, so that the use quality of the spray room is ensured, and a large amount of powder is prevented from being attached to the spray room, so that the redundancy of the powder is prevented; the powder recovery device with multiple filtering functions is configured, most of powder in air is separated through the cyclone separator, and the separated powder is conveyed to the powder supply center again through the transfer pipeline, so that the powder can be recycled; then, the powder filter and the filtering module are used for double-stage filtering, so that the powder in the air is further filtered, the emission standard is met, and the environmental pollution is avoided. In summary, the invention firstly relieves the limitation of powder recovery in the prior art by arranging the recovery holes, so that the powder recovery capability of the powder spraying system is greatly enhanced, and then the powder recovery device is utilized for multiple filtration, so that the filtration efficiency of the powder recovery device can keep up with the powder recovery efficiency of the powder spraying system, thereby achieving complementary effects, improving the use quality of the powder spraying system, further ensuring the overall production quality of the powder spraying production line, and being suitable for wide popularization and application.
Drawings
The invention is further illustrated by the following figures and embodiments:
FIG. 1 is a layout diagram of the present embodiment;
FIG. 2 is a top view of a powder injection system;
FIG. 3 is a side view of a powder spray system;
FIG. 4 is an enlarged view of FIG. 3, indicated at B;
FIG. 5 is a top view of the spray booth;
FIG. 6 is a schematic view of the position structure of the first cleaning device and the second cleaning device;
FIG. 7 is a side view of the powder filter;
fig. 8 is a schematic view of the structure a-a in fig. 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1 to 3, a full-automatic powder spraying production line includes a circulating conveyor line 100, and a feeding auxiliary device 500, a pre-coating treatment system 200, a powder spraying system 300, a heating and curing system 400, and a discharging auxiliary device 600 that are sequentially arranged along a conveying direction of the circulating conveyor line 100, where the circulating conveyor line 100 is a suspended conveying device, and the feeding auxiliary device 500 is used for assisting the circulating conveyor line 100 in feeding; a pre-coating treatment system 200 for removing various greasy dirt and dust on the surface of a workpiece and drying the same; the powder spraying system 300 is used for performing powder spraying treatment on the treated workpiece; a heat curing system 400 for heat curing the powder on the workpiece; the blanking auxiliary device 600 is used for assisting the blanking of the circulating conveyor line 100, when the workpieces are solidified and then flow to the blanking auxiliary device 600, a worker can put the lower ends of the workpieces on the blanking auxiliary device 600, the workpieces are gradually paved on the blanking auxiliary device 600, and then the worker disconnects the workpieces from the circulating conveyor line 100.
Further, the powder spraying system 300 includes a spray booth 10 corresponding to the circulating conveyor line 100, a powder spraying device 20 for spraying powder to the workpiece passing through the spray booth 10, a powder recovery device 30 communicated with the spray booth 10, and a powder supply center for supplying powder to the powder spraying device 20, where the powder supply center is not shown; the spray booth 10 comprises a base 101 and a plurality of wall plates 102, wherein the wall plates 102 surround the base 101 to form a spray station in a semi-enclosed structure, and a recovery opening 103 correspondingly communicated with the powder recovery device 30 is reserved between the wall plates 102 and 102. Still further, be equipped with in the wallboard 102 with the recovery passageway 102a of powder recovery unit 30 intercommunication, be equipped with a plurality of recovery holes 102b that make spraying station and recovery passageway 102a be linked together on the lateral wall of wallboard 102, a plurality of recovery holes 102b equipartition are on the lateral wall of wallboard 102, make each wallboard 102 of spraying room 10 can both carry out the action of retrieving the powder through recovery hole 102b, removed the restriction that traditional spraying room 10 can only utilize recovery mouth 103 to retrieve the powder from, avoided the redundancy of appearing the powder in the spraying room 10 and the phenomenon that the powder is retrieved and is not in time floated outside spraying room 10.
As a preferred embodiment, as shown in fig. 3 to 5, the wall plate 102 is formed by flexible insulating plastics connected end to end, an inner ring of the flexible insulating plastics is the recovery channel 102a, and the recovery holes 102b are uniformly distributed on the whole flexible insulating plastics. Furthermore, be equipped with the circulation rolling mechanism that can control soft insulating plastic cyclic shift on the wallboard 102, the circulation rolling mechanism includes the circulation rolling support, sets up two cylinders 104, drive cylinder 104 pivoted rolling motor on the upper and lower both ends of circulation rolling support respectively, soft insulating plastic cover is established on two cylinder 104 outsides, and rolling motor drives cylinder 104 and rotates, and the soft insulating plastic of linkage rotates and trades the face to the face of soft insulating plastic can alternate use.
In a preferred embodiment, as shown in fig. 3, 4 and 6, the spray booth 10 is provided with a first cleaning device 40 that can enter the spray station to clean the sidewall of the wall 102. Further, first cleaning device 40 is including the scrubbing brush 401 that is used for clearing up the wallboard 102 lateral wall, drive scrubbing brush 401 and enter into the clearance elevating system in the spraying station, utilize wind to strike the first air blowing mechanism 403 of scrubbing brush 401 at the clearance in-process, clearance elevating system is connected with its clearance controller that drives scrubbing brush 401 and scrape the wallboard 102 lateral wall of reciprocating from top to bottom, and the brush hair of scrubbing brush 401 can stretch into recovery hole 102b, and the powder of gathering in recovery hole 102b is cleared up to be convenient for scrubbing brush 401 can effectual clearance wallboard 102, improves the clearance effect.
In the structure, the cleaning lifting mechanism comprises a cleaning bracket 4021, a cleaning guide rail arranged on the cleaning bracket 4021, a cleaning slide seat connected to the cleaning guide rail in a sliding manner, a cleaning mounting bracket 4022 arranged on the cleaning slide seat, and a driving device for driving the cleaning mounting bracket 4022 to move up and down, wherein the scrubbing brush 401 is arranged on the cleaning mounting bracket 4022 and moves up and down along with the cleaning mounting bracket 4022 to scrape the side surface of the wallboard 102 to perform a cleaning action; first blowing mechanism 403 is including locating the clearance tuber pipe on clearance mounting bracket 4022, locating the clearance pulse valve on clearance support 4021, the clearance pulse valve passes through pipeline and clearance tuber pipe intercommunication, be equipped with the hole of blowing to scrubbing brush 401 on the clearance tuber pipe for spray clearance scrubbing brush 401, avoid the powder to adhere to on scrubbing brush 401, also can push the powder injection to retrieve mouthful 103 and recovery hole 102b simultaneously, retrieve.
As a preferred embodiment, as shown in fig. 3, 4 and 6, a second cleaning device is provided in the recovery passage 102a for cleaning the powder adhered to the wall surface of the recovery passage 102 a. Further, the second cleaning device includes a scraper 50 disposed in the recovery channel 102a, and the scraper 50 is driven by the cleaning lifting mechanism to reciprocate up and down so as to scrape the wall surface of the recovery channel 102a back and forth. Further, the cleaning mounting bracket 4022 is provided with a mounting part 106 extending into the recovery channel 102a, and the scraper 50 is fixed on the mounting part 106, so that the wall surface of the recovery channel 102a is cleaned by the action of the scraper 50, and the surface of the soft insulating plastic is conveniently changed by rolling; meanwhile, the synchronous linkage of the scraper 50 and the scrubbing brush 401 is realized through the structure, the cleaning work of the outer side and the inner side of the wallboard 102 can be synchronously realized, the structures required by the actions of the scraper and the scrubbing brush are simplified, and the cleaning action cost is saved. In addition, a second air blowing mechanism 107 is arranged on the mounting portion 106 and used for cleaning the scraper 50, and the second air blowing mechanism 107 and the first air blowing mechanism are identical in structure.
As a preferred embodiment, as shown in fig. 3, 7 and 8, the powder recovering device 30 comprises a cyclone 301 and a powder filter 302, the cyclone 301 is communicated with the recovering port 103 and the recovering passage 102a of the spray booth 10 through a recovering air pipe 700, the cyclone 301 is connected with the powder filter 302 through a filtering pipe 800, and the cyclone 301 is connected with the powder supply center through a transfer pipe 3014. Further, a powder filtering chamber 3011, a powder separating chamber 3012 and a powder recycling chamber 3013 are sequentially arranged in the cyclone 301 from top to bottom, the powder filtering chamber 3011 is communicated with the powder filter 302 through a filtering pipeline 800, the powder separating chamber 3012 is communicated with the recycling port 103 and the recycling passage 102a through a recycling air pipe 700, and the powder recycling chamber 3013 is connected with the powder supply center through a transfer pipeline 3014, so that the recycled powder enters the powder supply center again. In addition, a cleaning pipe 3015 communicated with the powder recovery chamber 3013 is arranged outside the cyclone separator 301, the cleaning pipe 3015 is located at one end of the cyclone separator 301 close to the transfer pipeline 3014, the cleaning pipe 3015 is arranged in an upward inclined manner along the direction of the central line of the cyclone separator 301, and the cleaning pipe 3015 can be externally connected with an air source, so that the powder at the bottom of the powder recovery chamber 3013 can be sprayed by the externally connected air source, and can quickly enter the transfer pipeline 3014, and powder redundancy in the powder recovery chamber 3013 is avoided.
In the above structure, as shown in fig. 7 to 8, a second filter chamber 302a, a first air purifying chamber 302b, a second air purifying chamber 302c, and an installation chamber 302d are arranged in the powder filter 302 from bottom to top, the second filter chamber 302a is communicated with the filter pipeline 800, the second filter chamber 302a is communicated with the first air purifying chamber 302b through a first mesh plate 302e, a plurality of first mesh holes are uniformly distributed on the first mesh plate 302e, each first mesh hole is provided with a filter bag module 302f located in the second filter chamber 302a, the filter bag module 302f includes a filter bag 3021f for filtering powder in air in the filter chamber, and an installation frame 3022f inserted into the filter bag 3021f to swell the filter bag 3021f, and the installation frame 3022f is fixedly connected with the first mesh plate. First air-purifying chamber 302b and second air-purifying chamber 302c communicate with each other, be equipped with in the installation room 302d and retrieve fan 302g, retrieve fan 302 g's air inlet end and second air-purifying chamber 302c intercommunication, the end of giving vent to anger is connected with the exhaust pipe 900 that stretches out the installation room 302d outward.
In a preferred embodiment, as shown in fig. 7 to 8, a pulse back-blowing device 302j is disposed in the first air-purifying chamber 302b for back-blowing the filter bag 3021f in the first air-purifying chamber 302b, so that the powder attached to the filter bag 3021f falls onto the bottom of the second filter chamber 302 a; the pulse back-blowing device 302j comprises a back-blowing pipe 3021j arranged in the first air purifying chamber 302b and a back-blowing pulse valve connected with the back-blowing pipe 3021j, wherein a back-blowing nozzle 3022j corresponding to the filter bag 3021f is arranged on the back-blowing pipe 3021j and used for back-blowing the filter bag 3021f, so that the use stability of the filter bag 3021f is ensured. Further, a powder recycling bin 302k is disposed at the lower end of the powder filter 302, and a powder inlet end of the powder recycling bin 302k is communicated with the second filtering chamber 302a for receiving the powder filtered from the air.
As a preferred embodiment, as shown in fig. 7 to 8, the first air purifying chamber 302b and the second air purifying chamber 302c are communicated with each other through a second mesh plate 302h, a plurality of second mesh holes 3021h are uniformly distributed on the second mesh plate 302h, a filter module 302i capable of movably covering each second mesh hole 3021h is arranged in the first air purifying chamber 302b, a driving mechanism 302l for driving the filter module 302i to reversely cover the second mesh holes 3021h is arranged on the powder filter 302, and an air detector for detecting air in the first air purifying chamber 302b is connected to the driving mechanism 302l, which is not shown in the drawings; when the air detector detects that the air quality in the first air purifying chamber 302b is lower than the preset value, the driving mechanism 302l drives the filtering module 302i to work, and the filtering module covers each second mesh hole of the second mesh plate 302h for filtering, so that the air entering the second air purifying chamber 302c from the first air purifying chamber 302b is purified, and the quality of the air discharged by the recovery fan 302g is further improved.
In the above structure, as shown in fig. 7 to 8, the filtering module 302i includes a filtering rotating shaft 3021i and a plurality of filtering plates 3022i, the filtering rotating shaft 3021i is disposed in the first air purifying chamber 302b and is rotatably connected to the bottom surface of the second mesh plate 302h, the plurality of filtering plates 3022i are fixed to the filtering rotating shaft 3021i at intervals, each filtering plate 3022i correspondingly covers one second mesh 3021h of the second mesh plate 302h, one end of the filtering rotating shaft 3021i extends out of the powder filter 302 and is in transmission connection with the driving mechanism 302l, and the driving mechanism 302l is a motor connected with a control module. When the air detector detects that the air quality is not good, the filter board 3022i is driven by the driving mechanism 302l to flip over the respective meshes of the second mesh board 302h, so as to perform the filtering operation.
In a preferred embodiment, as shown in fig. 3 and 5, a powder collecting tube 105 is connected to the outside of the recycling port 103, the powder collecting tube 105 is arranged along the recycling port 103 from top to bottom and is communicated with the recycling air duct 700, the recycling passage 102a is communicated with the recycling air duct 700 through the powder collecting tube 105, so that the powder in the recycling passage 102a can sequentially pass through the powder collecting tube 105 and the recycling air duct 700 and enter the powder recycling device 30.
As a preferred embodiment, as shown in fig. 3 to 4, a recovery tank 107 is disposed in the recovery channel 102a, the recovery tank 107 is located directly above the lowest roller 104 and is used for receiving powder that may be settled by gravity in the recovery channel 102a, the spraying room 10 is provided with a third air blowing mechanism that can impact the inner cavity of the recovery tank 107 by wind power, the third air blowing mechanism is not shown in the drawings and comprises a third pulse valve disposed on the spraying room 10 and a third air blowing nozzle connected with the third pulse valve by a pipeline, the third air blowing nozzle is disposed at an end of the recovery tank 107 away from the powder collecting pipe 105 and can re-blow the powder in the recovery tank 107 to the powder recovery device 30.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by substantially the same means are within the protection scope of the present invention.
Claims (6)
1. A full-automatic powder spraying production line comprises a circulating conveying line (100), a pre-coating treatment system (200), a powder spraying system (300) and a heating and curing system (400), wherein the pre-coating treatment system, the powder spraying system and the heating and curing system are sequentially arranged along the conveying direction of the circulating conveying line (100);
the powder spraying system (300) comprises a spraying room (10) corresponding to the circulating conveying line (100), powder spraying equipment (20) for spraying powder to workpieces passing through the spraying room (10), a powder recovery device (30) communicated with the spraying room (10) and a powder supply center for supplying powder to the powder spraying equipment (20);
the spraying room (10) comprises a base (101) and a plurality of wall plates (102), the wall plates (102) surround the base (101) to form a spraying station in a semi-enclosed structure, and a recovery opening (103) correspondingly communicated with the powder recovery device (30) is reserved between the wall plates (102) and the wall plates (102);
the method is characterized in that: a recovery channel (102 a) communicated with the powder recovery device (30) is arranged in the wall plate (102), a plurality of recovery holes (102 b) which enable the spraying station to be communicated with the recovery channel (102 a) are formed in the side wall of the wall plate (102), and the recovery holes (102 b) are uniformly distributed in the side wall of the wall plate (102);
the powder recovery device (30) comprises a cyclone separator (301) and a powder filter (302), the cyclone separator (301) is communicated with a recovery port (103) and a recovery channel (102 a) of the spray room (10) through a recovery air pipe (700), the cyclone separator (301) is connected with the powder filter (302) through a filtering pipeline (800), and the cyclone separator (301) is connected with the powder supply center through a transfer pipeline (3014); a powder filtering chamber (3011), a powder separating chamber (3012) and a powder recovering chamber (3013) which are sequentially arranged from top to bottom are arranged in the cyclone separator (301), the powder filtering chamber (3011) is communicated with the powder filter (302) through a filtering pipeline (800), the powder separating chamber (3012) is communicated with the recovering port (103) and the recovering channel (102 a) through a recovering air pipe (700), and the powder recovering chamber (3013) is connected with the powder supply center through a transferring pipeline (3014);
a second filter chamber (302 a), a first air purifying chamber (302 b), a second air purifying chamber (302 c) and an installation chamber (302 d) are arranged in the powder filter (302) from bottom to top in sequence, the second filter chamber (302 a) is communicated with the filter pipeline (800), the second filter chamber (302 a) is communicated with the first air purifying chamber (302 b) through a first mesh plate (302 e), a plurality of first mesh holes are uniformly distributed on the first mesh plate (302 e), and a filter bag assembly (302 f) positioned in the second filter chamber (302 a) is installed on each first mesh hole; the first air purifying chamber (302 b) and the second air purifying chamber (302 c) are communicated with each other, a recovery fan (302 g) is arranged in the mounting chamber (302 d), the air inlet end of the recovery fan (302 g) is communicated with the second air purifying chamber (302 c), and the air outlet end of the recovery fan is connected with an exhaust pipe (900) extending out of the mounting chamber (302 d);
the first air purifying chamber (302 b) is communicated with the second air purifying chamber (302 c) through a second mesh plate (302 h), a plurality of second meshes (3021 h) are uniformly distributed on the second mesh plate (302 h), a filtering module (302 i) capable of movably covering each second mesh (3021 h) is arranged in the first air purifying chamber (302 b), a driving mechanism (302 l) for driving the filtering module (302 i) to overturn and cover the second meshes (3021 h) is arranged on the powder filter (302), and the driving mechanism (302 l) is connected with an air detector for detecting air in the first air purifying chamber (302 b);
the filter module (302 i) comprises a filter rotating shaft (3021 i) and a plurality of filter plates (3022 i), the filter rotating shaft (3021 i) is arranged in the first air purifying chamber (302 b) and is rotatably connected to the bottom surface of the second mesh plate (302 h), the plurality of filter plates (3022 i) are fixed on the filter rotating shaft (3021 i) at intervals, each filter plate (3022 i) correspondingly covers one second mesh (3021 h) on the second mesh plate (302 h), one end of the filter rotating shaft (3021 i) extends out of the powder filter (302) and is in transmission connection with the driving mechanism (302 l), and the driving mechanism (302 l) is a motor connected with a control module;
when the air detector detects that the air quality is not qualified, the filter plate (3022 i) is driven by the driving mechanism (302 l) to overturn and cover all meshes of the second mesh plate (302 h) to carry out filtering work.
2. The full-automatic powder spraying production line according to claim 1, characterized in that: the wall plate (102) is formed by flexible insulating plastic connected end to end, and the inner circle of the flexible insulating plastic is the recovery channel (102 a).
3. The full-automatic powder spraying production line according to claim 1, characterized in that: the spraying room (10) is provided with a first cleaning device (40) which can enter a spraying station to clean the side wall of the wall plate (102).
4. The full-automatic powder spraying production line according to claim 1, characterized in that: the recovery channel (102 a) is internally provided with a second cleaning device for cleaning the powder attached to the wall surface of the recovery channel (102 a).
5. The full-automatic powder spraying production line according to claim 1, characterized in that: a pulse back-blowing device (302 j) is arranged in the first air purifying chamber (302 b) and is used for back-blowing the filter bag (3021f) in the first air purifying chamber (302 b).
6. The full-automatic powder spraying production line according to claim 1, characterized in that: the powder collecting pipe (105) is connected to the outer side of the recycling port (103), the powder collecting pipe (105) is arranged from top to bottom along the recycling port (103) and communicated with the recycling air pipe (700), and the recycling channel (102 a) is communicated with the recycling air pipe (700) through the powder collecting pipe (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110267583.4A CN113042284B (en) | 2021-03-11 | 2021-03-11 | Full-automatic powder spraying production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN113941372A (en) * | 2021-09-29 | 2022-01-18 | 凯龙蓝烽新材料科技有限公司 | Production system of wall-flow type carrier catalyst |
| CN114146733B (en) * | 2021-09-29 | 2023-06-30 | 凯龙蓝烽新材料科技有限公司 | Preparation method of wall-flow type carrier catalyst |
| CN114985133A (en) * | 2022-05-23 | 2022-09-02 | 佛山市德珼尔科技有限公司 | A reverse electrode that is arranged in MDF fibreboard powder spraying |
| CN115283176B (en) * | 2022-07-09 | 2024-04-30 | 安徽跃腾工艺制造有限公司 | Surface treatment processing device and method for hollowed-out metal storage box |
| CN116173632B (en) * | 2023-03-30 | 2023-10-13 | 江苏安达环保科技有限公司 | Metal fiber catalytic filter bag processing equipment |
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| ATE185500T1 (en) * | 1995-02-15 | 1999-10-15 | Wagner Int | CLEANING DEVICE FOR A POWDER COATING CABIN |
| CN102151635A (en) * | 2011-03-29 | 2011-08-17 | 浙江明泉工业涂装有限公司 | Automatic powder recovering machine for industrial coating production line |
| JP5988956B2 (en) * | 2013-12-10 | 2016-09-07 | 株式会社大気社 | Paint mist collector |
| JP6173399B2 (en) * | 2015-09-24 | 2017-08-02 | トリニティ工業株式会社 | painting booth |
| CN107694808A (en) * | 2017-11-23 | 2018-02-16 | 中山市君禾机电设备有限公司 | A kind of spray room system with side wall cleaning structure |
| CN107716186A (en) * | 2017-11-23 | 2018-02-23 | 中山市君禾机电设备有限公司 | A kind of vertical jetting house system |
| CN210386344U (en) * | 2019-06-21 | 2020-04-24 | 阜阳祥云木业有限公司 | Paint spraying apparatus for wood working |
| CN111558486A (en) * | 2020-04-29 | 2020-08-21 | 中山方圆谷涂装科技有限公司 | Automatic production line for powder spraying |
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