CN105964435B - A kind of electrostatic powder vertical spraying equipment - Google Patents
A kind of electrostatic powder vertical spraying equipment Download PDFInfo
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- CN105964435B CN105964435B CN201610602568.XA CN201610602568A CN105964435B CN 105964435 B CN105964435 B CN 105964435B CN 201610602568 A CN201610602568 A CN 201610602568A CN 105964435 B CN105964435 B CN 105964435B
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- electrostatic gun
- exhaust column
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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
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/081—Plant for applying liquids or other fluent materials to objects specially adapted for treating particulate materials
-
- 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
-
- 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
-
- 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
-
- 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
- B05B16/60—Ventilation arrangements specially adapted therefor
-
- 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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- Electrostatic Spraying Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of electrostatic powder vertical spraying equipment, including powder spraying chamber, the conveying device for conveying workpieces, dusting device, powder feeder unit and powder recovering device, powder spraying chamber is provided with workpiece corresponding with conveying device input port and delivery outlet, it is characterized in that, the powder recovering device includes the exhaust column for being divided into four corners of powder spraying chamber, exhaust column is provided with the gap for exhausting from bottom to up, so that powder spraying chamber interior air-flow is uniform, reduces the negative pressure of required exhausting；Dusting device includes the electrostatic gun group being oppositely arranged for being divided into conveying device two sides, the lifting device for driving two sides electrostatic gun group synchronization lifting.The configuration of the present invention is simple, easy to install and use, in powder spray production process, powder consumption is low, and primary powder spraying ratio is high, while clearing up the reduction of powder room time, and shortening is changed the powder time, saves electric energy and saves operator, production cost is greatly reduced.
Description
Technical field
The present invention relates to aluminium shape surface processing equipment technical fields, are coated with more particularly, to a kind of electrostatic powder vertical jetting
It is standby.
Background technique
In aluminium shape surface process field, electrostatic powder coating becomes most important processing mode in industry, and vertical
Powder spray is widely used due to its is high-efficient, production capacity is big by aluminum material factory.Powder spray is using the principle of electrostatic spraying dry
Powdered object is adsorbed on metal aluminum profile the powder after 200 DEG C or more high temperature are roasted and is solidified into one layer of about 60 microns of thickness
The coating of firm light.A set of electrostatic powder coating system is mainly by a set of powder feeder unit, a set of or number set electrostatic gun and control
Device processed, electrostatic generator (being typically configured in inside electrostatic gun) and a set of powder recovering device composition.Traditional is vertical
The two sides that spray-painting production line needs two powder spraying chambers that could complete workpiece sprays, when a vertical powder spraying chamber completes two faces sprayings
Workpiece is needed to rotate 180 degree among powder spraying chamber, production efficiency is low；And the opening size of traditional powder spraying chamber transfer passage compares
Greatly, this structure causes to dust, and negative pressure at workpiece is excessive, and powder is adsorbed on the powder proportions mistake on workpiece under excessive negative pressure
It is small, reduce the primary powder spraying ratio of workpiece, it is therefore necessary to which vertical powder spraying chamber improves.
Summary of the invention
The object of the invention is to be coated with for a kind of electrostatic powder vertical jetting for solving the deficiency of the prior art and providing
It is standby, change traditional mode of dusting, improve powder primary powder spraying ratio, reduction is changed the powder time, is saved point electric energy and is saved operator
Member reduces production cost.
The present invention is that a kind of electrostatic powder vertical spraying equipment is attained in that using following technical solution,
Including powder spraying chamber, the conveying device for conveying workpieces, dusting device, powder feeder unit and powder recovering device, powder spraying chamber setting
There are workpiece corresponding with conveying device input port and workpiece delivery outlet, which is characterized in that the powder recovering device includes setting up separately
Exhaust column in four corners of powder spraying chamber, exhaust column are provided with the gap for exhausting from bottom to up, so that powder spraying chamber interior air-flow is equal
It is even, reduce the negative pressure of required exhausting；Dusting device include the electrostatic gun group being oppositely arranged for being divided into conveying device two sides,
The lifting device for driving two sides electrostatic gun group synchronization lifting, remains the electrostatic gun group on both sides to spray, to ejection
Powder generates powder collision, powder speed in acceleration at workpiece, and passes through exhaust column to improve powder room interior air-flow uniformity, effectively
Negative pressure in powder room is reduced, increases powder near workpieces flow resistance, so that the primary powder spraying ratio of workpiece be made to improve 10% or more.
As a further illustration of the above scheme, unilateral electrostatic gun group includes before being in along the conveying direction of conveying device
It is distributed the several preceding electrostatic guns and rear electrostatic gun of setting afterwards；Powder feeder unit includes recycling powder powder feeder unit and completely new powder
Last powder feeder unit, recycling powder powder feeder unit are connect with preceding electrostatic gun, and completely new powder powder feeder unit is connect with rear electrostatic gun,
Remaining different colours is micro when by recycling powder powder feeder unit, electrostatic gun offer may be sprayed containing last time forward
Powder, these recycling powder are deposited on the surface of profile；And electrostatic gun provides completely new powder to completely new powder powder feeder unit backward,
These powder are covered on the surface of recycling powder, after powder curing, coating color and the complete phase of completely new powder on product surface
Together, the miscellaneous flaw for there are micro different colours of powder coating is completely eliminated, surface quality is improved.
Further, the lifting device includes that the crane for being divided into the outer two sides of powder spraying chamber and driving crane are gone up and down
Electric machine, preceding electrostatic gun and rear electrostatic gun are arranged on same crane, and crane includes horizontally disposed horizontal branch
Frame and the outwardly extending support arm connecting with horizontal bracket, support arm are connected by electric machine and are driven, and the side of powder spraying chamber is set
It is equipped with and holds the slot that support arm moves up and down, driven and gone up and down by lifting device.
Further, the exhaust column of the powder recovering device is circumscribed with powder cyclone recovery cylinder, powder cyclone recovery cylinder
Output end be connected with recycling powder storage case, recycle and be connected with powder conduit between powder storage case and electrostatic gun group.
Further, the top of the powder cyclone recovery cylinder is connected with exhaust column two, the output end connection of exhaust column two
There is ultimate filter, the lower part of ultimate filter is provided with useless powder collector, the top of ultimate filter is provided with filtering
Net and it is connected with exhaust fan, exhaust fan is connected with exhaust pipe；Powder cyclone recovery cylinder makees the biggish powder of particle by whirlwind
With being recycled in recycling powder storage case, the subtle powder of particle is pumped down to ultimate filter, and ultimate filter is by fine-powder
Misfortune is stayed, and clean air is discharged outside workshop by exhaust fan.
Further, the lower part of exhaust column is provided with the section with facade direction at 30-60 degree, and the section is towards powder spraying chamber
Inner wall simultaneously forms suction powder mouth.
Further, the bottom and top closing of the powder spraying chamber, side is made of multiple groups automatically cleaning cord mechanism, dusts
The workpiece input port in room and delivery outlet are oppositely arranged, and width only has the one third of old-fashioned V-type powder spraying chamber opening, U-shaped powder spraying chamber
2/5ths of opening, it is excessive almost to have prevented powder, reduces powder loss, and place free from environmental pollution and profile conveying
Catenary system.
Further, automatically cleaning cord mechanism includes presenting down horizontally disposed two shafts, connection drive shaft
The electric machine of operating and the cord being set around between two shafts.
The present invention is using the above-mentioned attainable beneficial effect of technical solution:
1, the present invention is formed using new-type rectangle powder spraying chamber and by multiple groups automatically cleaning rotation cord mechanism, spray room bottom and top
Portion closes, the one third that powder spraying chamber opening width only has old-fashioned V-type spray room to be open, and 2/5ths of U-shaped spray room opening, closely
It is excessive to have prevented powder, has reduced powder loss, and place free from environmental pollution and profile convey catenary system.
2, the exhaust column at four angles of powder spraying chamber of the invention is provided with the gap (under supreme) for exhausting, exhausting gap point
Cloth is uniform, so that new spray room interior air-flow is also uniform, reduces the negative pressure of required exhausting.Because powder air velocity is low, and then shape
At powder cloud cluster, profile is wrapped by cloud cluster, greatly improves powder in the coverage rate of Surface of profile；Show by many experiments
Due to the effect of cloud cluster, primary powder spraying ratio maximum be can be improved to 60%；It is disconnected for most complicated profile due to the effect of cloud cluster
Face, powder are easier to cover and permeate.
3, two groups of electrostatic gun group arranged opposites, the powder air-flow of ejection is because direction is inconsistent, to reduce powder gas
The speed of stream, required exhausting amount reduce, and the powder being pumped, which decreases, (is recovered the powder of recycling by whirlwind
When recovery cylinder, cyclone wall is hit, powder is crashed, and tiny powder is pumped down to ultimate filter, abandons as useless powder.Powder
The every circulation primary in end, a certain proportion of powder will be crashed.Cycle-index is more, and tiny powder is more, the useless powder of generation
It is more), greatly reduce powder consumption.
4, new-type rectangle powder spraying chamber can replace 2 traditional V-types or U-shaped spray room, greatly reduce energy consumption and powder consumption, mention
High production efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is structural schematic diagram of the invention.
Description of symbols: 1, powder spraying chamber 1-1, workpiece input port 1-2, workpiece delivery outlet 2, conveying device 3, dust
Device 3-1, electrostatic gun group 3-11, preceding electrostatic gun 3-12, rear electrostatic gun 3-2, lifting device 3-21, horizontal branch
Frame 3-22, support arm 4, powder feeder unit 4-1, recycling powder powder feeder unit 4-2, completely new powder powder feeder unit 5, powder return
Receiving apparatus 5-1, exhaust column 6, powder cyclone recovery cylinder 6-1, exhaust column 27, recycling powder storage case 8, powder conduit
9, ultimate filter 9-1, filter screen 9-2, exhaust fan 10, useless powder collector 11, exhaust pipe 12, automatically cleaning cord mechanism.
Specific embodiment
The technical program is explained in detail below in conjunction with specific embodiment.
As shown in Figure 1-Figure 3, the present invention is a kind of electrostatic powder vertical spraying equipment, including powder spraying chamber 1, for conveying work
Conveying device 2, dusting device 3, powder feeder unit 4 and the powder recovering device 5 of part, powder spraying chamber 1 is provided with corresponding with conveying device
Workpiece input port 1-1 and delivery outlet 1-2, powder recovering device 5 includes being divided into the exhaust column 5-1 of four corners of powder spraying chamber,
Exhaust column is provided with the gap for exhausting from bottom to up, so that powder spraying chamber interior air-flow is uniform, reduces the negative pressure of required exhausting；Spray
Powder device 3 includes the electrostatic gun group 3-1 being oppositely arranged for being divided into conveying device two sides, drives electrostatic gun group in two sides synchronous
The lifting device 3-2 of lifting, remains the electrostatic gun group on both sides to spray, and powder is generated at workpiece to the powder of ejection
It collides, powder speed in acceleration, and negative pressure in powder room is effectively reduced to improve powder room interior air-flow uniformity by exhaust column, increases
Powder is near workpieces flow resistance, so that the primary powder spraying ratio of workpiece be made to improve 10% or more.
Wherein, unilateral electrostatic gun group 3-1 includes the conveying direction along conveying device in the several of front and back distribution setting
Support the front electrostatic gun 3-11 and rear electrostatic gun 3-12；Powder feeder unit 4 includes that recycling powder powder feeder unit 4-1 and completely new powder supply
Powder device 4-2, recycling powder powder feeder unit are connect with preceding electrostatic gun 3-11, completely new powder powder feeder unit and rear electrostatic gun 3-
12 connections, remaining difference when electrostatic gun offer may be containing last time spraying forward by recycling powder powder feeder unit 4-1
The little power of color, these recycling powder are deposited on the surface of profile；And completely new powder powder feeder unit 4-2 electrostatic gun backward
Completely new powder is provided, these powder are covered on the surface of recycling powder, after powder curing, coating color on product surface and complete
New powder is identical, completely eliminates the miscellaneous flaw for having micro different colours of powder coating, improves surface quality.Lifting dress
Setting 3-2 includes the crane for being divided into the outer two sides of powder spraying chamber and the electric machine of driving crane lifting, and preceding electrostatic gun is with after
Electrostatic gun is arranged on same crane, and crane includes horizontally disposed horizontal bracket 3-21 and connect with horizontal bracket
Outwardly extending support arm 3-22, support arm are connected by electric machine and are driven, and the side of powder spraying chamber, which is provided with, holds support arm or more
Mobile slot is driven by lifting device and is gone up and down.
Further, the exhaust column 5-1 of powder recovering device 5 is circumscribed with powder cyclone recovery cylinder 6, powder cyclone recovery cylinder
Output end be connected with recycling powder storage case 7, recycle and be connected with powder conduit between powder storage case and electrostatic gun group
8.The top of powder cyclone recovery cylinder 6 is connected with two 6-1 of exhaust column, and the output end of exhaust column two is connected with ultimate filter 9,
The lower part of ultimate filter is provided with useless powder collector 10, and the top of ultimate filter is provided with filter screen 9-1 and is connected with
Exhaust fan 9-2, exhaust fan are connected with exhaust pipe 11；Powder cyclone recovery cylinder acts on the biggish powder of particle by whirlwind, returns
It receives into recycling powder storage case, the subtle powder of particle is pumped down to ultimate filter, and ultimate filter stays fine-powder misfortune,
Clean air is discharged outside workshop by exhaust fan.
Further, the lower part of exhaust column is provided with the section with facade direction at 30-60 degree, and the section is towards powder spraying chamber
Inner wall simultaneously forms suction powder mouth.The bottom and top of the powder spraying chamber are closed, and side is made of multiple groups automatically cleaning cord mechanism 12, are sprayed
The workpiece input port in powder room and delivery outlet are oppositely arranged, and width only has the one third of old-fashioned V-type powder spraying chamber opening, U-shaped to dust
2/5ths of room opening, it is excessive almost to have prevented powder, reduces powder loss, and place free from environmental pollution and profile are defeated
Send catenary system.Wherein, automatically cleaning cord mechanism includes presenting down the electricity of horizontally disposed two shafts, connection drive shaft operating
Machine device and the cord being set around between two shafts.
The accumulation accounting of variable grain in powder:
| Powder diameter (ч m) | Accounting % | Powder diameter (ч m) | Accounting % |
| 1 | 0 | 50 | 68.09 |
| 2 | 0 | 55 | 74.09 |
| 5 | 1.15 | 60 | 79.29 |
| 10 | 5.89 | 65 | 83.59 |
| 12 | 8.11 | 70 | 87.13 |
| 15 | 11.69 | 75 | 90.11 |
| 20 | 18.64 | 80 | 92.29 |
| 25 | 26.81 | 85 | 94.21 |
| 30 | 35.66 | 90 | 95.58 |
| 35 | 44.61 | 95 | 96.80 |
| 40 | 53.21 | 100 | 97.71 |
| 45 | 61.09 |
90% or more of the total powder of powder Zhan of partial size 15-75 ч m.
Further, the lower part of Powder Recovery pipeline is provided with the section with facade direction at 30-60 degree, the section direction
Powder spraying chamber inner wall simultaneously forms suction powder mouth.
In the present embodiment, the array-width of electrostatic gun group is 3 meters, and it is 3 ms/min that aluminum profile, which conveys chain speed, then:
The time of the coating of dusting of aluminum profile are as follows:
The time of single side coating are as follows:
It can accomplish 4 coatings in every face (2 reciprocal back and forth).Only need a spray room that can meet production, and aluminum profile exists
Without rotation among spray room.
In contrast, the parameter of conventional u-shaped spray room is as follows:
Gun array width is 1.8 meters, and it is 3 ms/min that profile, which conveys chain speed, then:
Aluminium dusts time of coating are as follows:
Profile rotates among spray room, then the powder coating time of single side are as follows:
If it is required that carry out 4 coatings (i.e. 2 back and forth reciprocal) to profile single side in 18 seconds,
It is required that the reciprocating speed of elevator are as follows:
Obviously, elevator is unable to reach such a high speed.
Each conventional u-shaped spray room can only accomplish to profile single side coating 2 times (1, elevator back and forth reciprocal), it is desirable that liter
Drop machine speed is 50 ms/min.Reach and 4 coatings are carried out to single side, it is necessary to two spray room series connection, and in each spray room
Between profile to carry out turning face.
Compared with prior art, the present invention it has the advantage that the 1, present invention using new-type rectangle powder spraying chamber and by more
Group automatically cleaning rotation cord mechanism composition, spray room bottom and top are closed, and powder spraying chamber opening width only has old-fashioned V-type spray room to open
Mouthful one third, 2/5ths of U-shaped spray room opening, it is excessive almost to have prevented powder, reduces powder loss, and not dirty
It contaminates environment place and profile conveys catenary system.
2, the exhaust column at four angles of powder spraying chamber of the invention is provided with the gap (under supreme) for exhausting, exhausting gap point
Cloth is uniform, so that new spray room interior air-flow is also uniform, reduces the negative pressure of required exhausting.Because powder air velocity is low, and then shape
At powder cloud cluster, profile is wrapped by cloud cluster, greatly improves powder in the coverage rate of Surface of profile；Show by many experiments
Due to the effect of cloud cluster, primary powder spraying ratio maximum be can be improved to 60%；It is disconnected for most complicated profile due to the effect of cloud cluster
Face, powder are easier to cover and permeate.
3, two groups of electrostatic gun group arranged opposites, the powder air-flow of ejection is because direction is inconsistent, to reduce powder gas
The speed of stream, required exhausting amount reduce, and the powder being pumped, which decreases, (is recovered the powder of recycling by whirlwind
When recovery cylinder, cyclone wall is hit, powder is crashed, and tiny powder is pumped down to ultimate filter, abandons as useless powder.Powder
The every circulation primary in end, a certain proportion of powder will be crashed.Cycle-index is more, and tiny powder is more, the useless powder of generation
It is more), greatly reduce powder consumption.
4, new-type rectangle powder spraying chamber can replace 2 traditional V-types or U-shaped spray room, greatly reduce energy consumption and powder consumption, mention
High production efficiency.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (7)
1. a kind of electrostatic powder vertical spraying equipment, including powder spraying chamber, the conveying device for conveying workpieces, dusting device, confession
Powder device and powder recovering device, powder spraying chamber are provided with workpiece corresponding with conveying device input port and delivery outlet, and feature exists
In the powder recovering device includes the exhaust column for being divided into four corners of powder spraying chamber, and exhaust column is provided with from bottom to up for taking out
The gap of wind reduces the negative pressure of required exhausting so that powder spraying chamber interior air-flow is uniform；Dusting device includes being divided into conveying device
The electrostatic gun group of two sides being oppositely arranged, the lifting device for driving two sides electrostatic gun group synchronization lifting；Unilateral electrostatic
Rifle group includes the several preceding electrostatic guns and rear electrostatic gun being arranged along the conveying direction of conveying device in front and back distribution；Powder supply
Device includes recycling powder powder feeder unit and completely new powder powder feeder unit, and recycling powder powder feeder unit is connect with preceding electrostatic gun,
Completely new powder powder feeder unit is connect with rear electrostatic gun.
2. a kind of electrostatic powder vertical spraying equipment according to claim 1, which is characterized in that the lifting device includes
It is divided into the crane of the outer two sides of powder spraying chamber and the electric machine of driving crane lifting, preceding electrostatic gun and rear electrostatic gun are set
It sets on same crane, the outwardly extending support that crane includes horizontally disposed horizontal bracket and connect with horizontal bracket
Arm, support arm are connected by electric machine and are driven, and the side of powder spraying chamber, which is provided with, holds the slot that support arm moves up and down, and pass through lifting
Device drives lifting.
3. a kind of electrostatic powder vertical spraying equipment according to claim 1, which is characterized in that the powder recovering device
Exhaust column be circumscribed with powder cyclone recovery cylinder, the output end of powder cyclone recovery cylinder is connected with recycling powder storage case, recycling
Powder conduit is connected between powder storage case and electrostatic gun group.
4. a kind of electrostatic powder vertical spraying equipment according to claim 3, which is characterized in that the powder cyclone recycling
The top of cylinder is connected with exhaust column two, and the output end of exhaust column two is connected with ultimate filter, sets in the lower part of ultimate filter
It is equipped with useless powder collector, the top of ultimate filter is provided with filter screen and is connected with exhaust fan, exhaust fan is connected with exhaust
Pipe.
5. a kind of electrostatic powder vertical spraying equipment according to claim 1, which is characterized in that the lower part of exhaust column is arranged
There is the section with facade direction at 30-60 degree, the section is towards powder spraying chamber inner wall and forms suction powder mouth.
6. a kind of electrostatic powder vertical spraying equipment according to claim 1, which is characterized in that the bottom of the powder spraying chamber
With it is top closed, side is made of multiple groups automatically cleaning cord mechanism, and the workpiece input port of powder spraying chamber and delivery outlet are oppositely arranged.
7. a kind of electrostatic powder vertical spraying equipment according to claim 6, which is characterized in that the automatically cleaning cord machine
Structure includes presenting down horizontally disposed two shafts, the electric machine that connection drive shaft operates and being set around between two shafts
Cord.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016201111491 | 2016-02-04 | ||
| CN201620111149 | 2016-02-04 |
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| CN105964435A CN105964435A (en) | 2016-09-28 |
| CN105964435B true CN105964435B (en) | 2019-03-05 |
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| CN201610602568.XA Active CN105964435B (en) | 2016-02-04 | 2016-07-27 | A kind of electrostatic powder vertical spraying equipment |
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| Publication number | Publication date |
|---|---|
| CN105964435A (en) | 2016-09-28 |
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