CN110743721A - Integrated portable powder coating field repairing device - Google Patents
Integrated portable powder coating field repairing device Download PDFInfo
- Publication number
- CN110743721A CN110743721A CN201911080355.5A CN201911080355A CN110743721A CN 110743721 A CN110743721 A CN 110743721A CN 201911080355 A CN201911080355 A CN 201911080355A CN 110743721 A CN110743721 A CN 110743721A
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- Prior art keywords
- powder
- pipe
- spray
- spray head
- storage tank
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- 239000000843 powder Substances 0.000 title claims abstract description 172
- 239000011248 coating agent Substances 0.000 title claims abstract description 34
- 238000000576 coating method Methods 0.000 title claims abstract description 34
- 239000007921 spray Substances 0.000 claims abstract description 110
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 230000008439 repair process Effects 0.000 claims abstract description 16
- 238000005485 electric heating Methods 0.000 claims abstract description 15
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims description 42
- 238000011065 in-situ storage Methods 0.000 claims description 5
- 238000005067 remediation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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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
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/32—Shielding elements, i.e. elements preventing overspray from reaching areas other than the object to be sprayed
-
- 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
- B05B5/001—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means incorporating means for heating or cooling, e.g. the material to be sprayed
-
- 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
- B05B5/12—Plant for applying liquids or other fluent materials to objects specially adapted for coating the interior of hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
Landscapes
- Electrostatic Spraying Apparatus (AREA)
- Nozzles (AREA)
Abstract
The invention belongs to the technical field of surface treatment, and discloses an integrated portable powder coating on-site repairing device which comprises a powder supply device and a spray head assembly, wherein the spray head assembly comprises a spray gun, a spray head outer cover arranged at a spray port of the spray gun and at least one inner spray head which is positioned in the spray head outer cover and connected with the spray head outer cover, the powder supply device is connected with the inner spray head, an electric heating element and a blast element are arranged in the spray gun, and the electric heating element is positioned on one side, close to the spray port of the spray gun, of the blast. The integrated portable powder coating on-site repairing device is simple and portable, and can conveniently repair the powder coating on the workpiece; the spray head outer cover can prevent powder from scattering; the powder in the spray head outer cover moves towards the workpiece under the drive of the inner spray head and the spray gun and is sprayed on the workpiece, and the coating uniformity is good; the electric heating element in the spray gun heats the air blown out by the air blowing element, and heats the powder and the repair position of the workpiece through hot air, which is beneficial to improving the spraying effect.
Description
Technical Field
The invention relates to the technical field of surface treatment, in particular to an integrated portable powder coating field repairing device.
Background
The electrostatic powder spraying technology is a new coating technology which is rapidly developed in recent years, and is characterized in that the energy-saving pollution-free process is simple, the powder can be recycled, the automation is easy to realize, the coating is attractive and beautiful, and the coating is firm and durable, thereby becoming a new development direction of the coating industry. In the electrostatic powder spraying operation, it is necessary to send powder into a spraying device with compressed air, the powder in the spraying device floats in the air and is adsorbed to the profile by static electricity, and therefore, the more uniform the powder in the spraying device, the better the spraying effect.
The coating of the inner wall of a large steel pipe in industry is carried out by large powder spraying equipment, and partial areas are not sprayed in place due to compressed air power, equipment interference or external environment interference and the like during spraying, so that the areas which are not sprayed in place need to be subjected to additional spraying. The existing nozzle has the defects of uneven powder discharge, no heating of the powder and poor spraying effect during powder spraying. Therefore, there is a need for an integrated portable powder coating in-situ repair device that solves the above problems.
Disclosure of Invention
The invention aims to provide an integrated portable powder coating field repairing device which can carry out powder spraying repairing on a workpiece in a portable mode and has a good spraying effect.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an integrated portable powder coating field patching device, is including supplying powder device and shower nozzle subassembly, the shower nozzle subassembly includes the spray gun, set up in the shower nozzle dustcoat of spray gun spout and be located in the shower nozzle dustcoat and connect in at least one interior shower nozzle of shower nozzle dustcoat, supply the powder device with interior shower nozzle is connected, inside electric heating element and the blast air component of being provided with of spray gun, electric heating element is located one side that is close to the spray gun spout of blast air component.
Preferably, the powder supply device comprises a powder supply pipe, a powder storage tank and a power assembly, one end of the powder supply pipe is connected with the inner spray head, the other end of the powder supply pipe is connected with an outlet of the powder storage tank, the power assembly is connected with the powder storage tank, and the power assembly is configured to blow powder in the powder storage tank into the powder supply pipe.
Preferably, the power assembly comprises a compressor, a first air pipe and a powder blowing air pipe, one end of the powder blowing air pipe is connected with the compressor, and the other end of the powder blowing air pipe is connected to the bottom of the powder storage tank so as to blow powder in the powder storage tank to an outlet of the powder storage tank; one end of the first air pipe is connected with the compressor, and the other end of the first air pipe is connected with the outlet of the powder storage tank and communicated with the powder supply pipe.
Preferably, the outlet of the powder storage tank is provided with a joint, the joint is hollow and is provided with a powder inlet for being connected with the powder storage tank, a first air inlet for being connected with a first air pipe and a powder outlet for being connected with a powder supply pipe.
Preferably, be provided with the atomizing pipe in the meal outlet, connect inside in an atomizing chamber has been seted up in the outside of atomizing pipe, the pipe wall of atomizing pipe has been seted up a plurality of will the atomizing intraduct with the air vent of atomizing chamber intercommunication, the surface of connecting seted up with the second air inlet of atomizing chamber intercommunication, second air inlet department is connected with the second trachea, the second trachea is connected the compressor.
Preferably, the top of the powder storage tank is provided with an air pressure balancing port communicated with the inside of the powder storage tank.
Preferably, the inner spray head comprises a connecting seat, a connecting piece, a spray pipe and a cross cover, the inner spray head is provided with a powder spraying channel which sequentially penetrates through the connecting seat, the connecting piece and the spray pipe, the connecting seat is arranged in the spray head outer cover and is connected with the powder supply pipe, one end of the connecting piece is detachably connected with the connecting seat, the other end of the connecting piece is detachably connected with the inlet end of the spray pipe, the outlet end of the spray pipe is provided with the cross cover, four fan-shaped hollow sections are annularly distributed on the cross cover, and a cross structure is formed between the fan-shaped hollow sections.
Preferably, the cross cover comprises a cylinder body and an end plate arranged at the outer end of the cylinder body, the fan-shaped hollow areas are arranged on the end plate, and the cylinder body is connected with the spray pipe.
The invention has the beneficial effects that: the invention provides an integrated portable powder coating on-site repairing device which is simple and portable and can conveniently repair a powder coating on a workpiece; a spray nozzle outer cover is arranged at a spray nozzle of the spray gun, and the spray nozzle outer cover can prevent powder from scattering; powder sprayed by the inner spray head is uniformly diffused in the spray head outer cover, an electric heating element and a blast element are arranged in the spray gun, the powder in the spray head outer cover moves towards the workpiece under the driving of the inner spray head and the spray gun and is sprayed on the workpiece, and the coating uniformity is good; the electric heating element in the spray gun heats the air blown out by the air blowing element, and heats the powder and the repair position of the workpiece through hot air, which is beneficial to improving the spraying effect.
Drawings
FIG. 1 is a schematic structural diagram of an integrated portable powder coating in-situ repair apparatus provided by the present invention;
FIG. 2 is a cross-sectional view of a joint provided by the present invention;
FIG. 3 is a cross-sectional view of an inner spray head provided by the present invention;
FIG. 4 is a front view of a cross shroud provided by the present invention.
In the figure: 1. a powder supply device; 11. a powder supply pipe; 12. a powder storage tank; 121. an air pressure balancing port; 131. a first air pipe; 132. blowing a powder air pipe; 133. a joint; 1331. a powder inlet; 1332. a powder outlet; 1333. a first air inlet; 1334. a second air inlet; 1335. an atomizing chamber; 1336. an atomizing tube; 134. a second air pipe;
2. a showerhead assembly; 21. a spray gun; 211. an electric heating element; 212. a blower element; 22. a nozzle housing; 23. an inner spray head; 231. a connecting seat; 2311. a threaded hole; 232. a connecting member; 2321. a first connection section; 2322. a second connection section; 2323. a third connection section; 2324. mounting holes; 233. a nozzle; 234. a cross cover; 2341. a sector hollow-out section; 2342. a barrel; 2343. and an end plate.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The invention provides an integrated portable powder coating on-site repairing device, as shown in figure 1, the integrated portable powder coating on-site repairing device comprises a powder supply device 1 and a spray head assembly 2, the spray head assembly 2 comprises a spray gun 21, a spray head outer cover 22 arranged at a spray port of the spray gun 21 and at least one inner spray head 23 which is positioned in the spray head outer cover 22 and connected with the spray head outer cover 22, the powder supply device 1 is connected with the inner spray head 23, an electric heating element 211 and a blast element 212 are arranged in the spray gun 21, and the electric heating element 211 is positioned at one side of the blast element 212 close to the spray port of the spray gun 21.
The integrated portable powder coating on-site repairing device is simple and portable, and can conveniently repair the powder coating on the workpiece; a spray nozzle outer cover 22 is arranged at a spray nozzle of the spray gun 21, and the spray nozzle outer cover 22 can prevent powder from scattering; the powder sprayed by the inner spray head 23 is uniformly diffused in the spray head outer cover 22, the spray gun 21 is internally provided with an electric heating element 211 and a blast element 212, the powder in the spray head outer cover 22 moves towards the workpiece under the drive of the inner spray head 23 and the spray gun 21 and is sprayed on the workpiece, and the coating uniformity is good; the electric heating element 211 in the spray gun 21 heats the air blown by the air blowing element 212, and the repair positions of the powder and the workpiece are heated by hot air, which is beneficial to improving the spraying effect.
The electric heating element 211 may be a heating wire, and the blowing element 212 may be an impeller to which a motor is connected.
The powder supply device 1 comprises a powder supply pipe 11, a powder storage tank 12 and a power assembly, wherein one end of the powder supply pipe 11 is connected with the inner spray head 23, the other end of the powder supply pipe is connected with the outlet of the powder storage tank 12, the power assembly is connected with the powder storage tank 12, and the power assembly is configured to blow powder in the powder storage tank 12 into the powder supply pipe 11. Specifically, the power assembly includes a compressor (not shown), a first air pipe 131 and a powder blowing air pipe 132, wherein one end of the powder blowing air pipe 132 is connected to the compressor, and the other end is connected to the bottom of the powder storage tank 12, so as to blow the powder in the powder storage tank 12 to the outlet of the powder storage tank 12; one end of the first air pipe 131 is connected to the compressor, and the other end is connected to the outlet of the powder storage tank 12 and is communicated with the powder supply pipe 11. The powder in the powder storage tank 12 is blown up by the powder blowing pipe 132, and the first air pipe 131 is blown up toward the powder supply pipe 11, and the powder can be caused to enter the powder supply pipe 11 at the outlet of the powder storage tank 12 due to a pressure difference caused by the air flow.
As shown in fig. 2, a joint 133 is disposed at the outlet of the powder storage tank 12, the joint 133 is hollow and is provided with a powder inlet 1331 for connecting with the powder storage tank 12, a first air inlet 1333 for connecting with the first air pipe 131, and a powder outlet 1332 for connecting with the powder supply pipe 11. The powder in the powder storage tank 12 enters the joint 133 from the powder inlet 1331, and moves toward the powder outlet 1332 by the gas entering from the first gas inlet 1333 (the gas and the powder move as indicated by the hollow arrow in fig. 2).
In order to improve the mist effect of the powder and avoid powder agglomeration, an atomizing pipe 1336 is arranged in the powder outlet 1332, an atomizing cavity 1335 is formed in the outer side of the atomizing pipe 1336 inside the connector 133, a plurality of vent holes communicating the inside of the atomizing pipe 1336 with the atomizing cavity 1335 are formed in the pipe wall of the atomizing pipe 1336, a second air inlet 1334 communicated with the atomizing cavity 1335 is formed in the surface of the connector 133, a second air pipe 134 is connected to the second air inlet 1334, and the second air pipe 134 is connected with the compressor. The second air pipe 134 blows air into the atomizing cavity 1335, the air in the atomizing cavity 1335 enters the atomizing pipe 1336 through the vent holes on the atomizing pipe 1336 (shown by a hollow arrow in fig. 2), and when the powder passes through the atomizing pipe 1336, the powder is uniformly mixed with the air blown in by the atomizing pipe 1336 in the circumferential direction, so that the powder is atomized, and powder agglomeration is avoided.
The top of the powder storage tank 12 is provided with an air pressure balancing port 121 communicated with the interior of the powder storage tank 12. The air pressure balancing port 121 is used for balancing the air pressure difference between the inside and the outside of the powder storage tank 12, so as to avoid the danger caused by the overlarge air pressure in the powder storage tank 12.
As shown in fig. 3 and 4, the inner nozzle 23 includes a connection seat 231, a connection member 232, a nozzle 233 and a cross cover 234, the inner nozzle 23 is provided with a powder spraying channel sequentially penetrating through the connection seat 231, the connection member 232 and the nozzle 233, the connection seat 231 is disposed in the nozzle cover 22 and connected to the powder supply pipe 11, one end of the connection member 232 is detachably connected to the connection seat 231, the other end of the connection member 232 is detachably connected to an inlet end of the nozzle 233, an outlet end of the nozzle 233 is provided with the cross cover 234, four fan-shaped hollow areas 2341 are annularly distributed on the cross cover 234, and a cross structure is formed between the four fan-shaped hollow areas 2341.
The connecting seat 231 is fixedly connected in the spray head outer cover 22, the connecting seat 231 is connected with the powder supply pipe 11, the detachable connection between the connecting seat 231 and the spray pipe 233 is realized through the detachable connecting piece 232, the disassembly and the assembly are convenient, and the cleaning and the maintenance of the inner part of the inner spray head 23 are convenient; through set up cross cover 234 at the exit end of spray tube 233, the powder of following spray tube 233 spun is located by the dispersion at cross cover 234 to 2341 blowout from four fan-shaped fretwork areas within a definite time, can cause certain disturbance to powder spun air current through the cross structure, balanced air current avoids the form air current of spiraling, makes the homogeneity of powder good.
Specifically, the cross cover 234 includes a barrel 2342 and an end plate 2343 disposed at an outer end of the barrel 2342, the fan-shaped hollow area 2341 is disposed on the end plate 2343, and the barrel 2342 is connected to the nozzle 233. The barrel 2342 is used for being connected with the nozzle 233, and the specific connection mode may be a sleeving connection mode, a fixed connection mode, a threaded connection mode, a screw connection mode and the like. Optionally, the barrel 2342 and the nozzle 233 are sleeved, and the outer wall of the barrel 2342 is in interference fit with the inner wall of the nozzle 233. When the cross cover 234 is sleeved in the spray pipe 233, the barrel 2342 is in interference fit with the spray pipe 233, the cross cover 234 can be prevented from falling off, and the installation mode is convenient. In order to ensure that the barrel 2342 smoothly enters the spray pipe 233 in the sleeving process, a chamfer is arranged on the periphery of the inner end of the barrel 2342. The diameter of the end of the barrel 2342 is smaller than the inner diameter of the spray pipe 233 after chamfering, so that the barrel 2342 can enter the spray pipe 233 conveniently.
The detachable connection of the connecting piece 232 and the spray pipe 233 is specifically as follows: at the connecting position of the connecting piece 232 and the spray pipe 233, an internal thread is arranged at the connecting end of one of the connecting piece 232 and the spray pipe 233, an external thread matched with the internal thread is arranged at the other connecting piece, and the connecting piece 232 and the spray pipe 233 are in threaded connection. The end of the connector 232 is shown with external threads and the inner wall of the nozzle 233 is shown with internal threads; in addition, the connecting piece 232 can be sleeved outside the spray pipe 233, the outer wall of the spray pipe 233 is provided with external threads, and the inner wall of the connecting piece 232 is provided with internal threads. The disassembly and the assembly are convenient in a threaded connection mode, the connection can be realized only by screwing the spray pipe 233, and the subsequent nursing is also convenient.
The connecting seat 231 is provided with a plurality of threaded holes 2311 along the circumferential direction of the powder spraying channel, the connecting piece 232 is provided with mounting holes 2324 corresponding to the threaded holes 2311 one to one, and the connecting piece 232 is connected to the connecting seat 231 through screws penetrating through the mounting holes 2324 and connected into the threaded holes 2311. The connecting seat 231 and the connecting piece 232 are connected through a plurality of screws, so that the disassembly and the assembly are both convenient, and the connection is stable.
Specifically, the connecting member 232 includes a first connecting section 2321, a second connecting section 2322 and a third connecting section 2323 that are sequentially arranged along the powder spraying direction, the diameter of the second connecting section 2322 is greater than the diameters of the first connecting section 2321 and the third connecting section 2323, the first connecting section 2321 is in threaded connection with the spray pipe 233, the third connecting section 2323 is abutted to the connecting seat 231, and the mounting hole 2324 is disposed on an end face of the second connecting section 2322. The connecting seat 231 is provided with a cylindrical sleeving space, the third connecting section 2323 is partially sleeved in the sleeving space, and the end surface of the third connecting section 2323 is abutted to the end surface of the sleeving space. The cylindrical socket space is used to fit with the third connection segment 2323, so that the connection member 232 is positioned when being connected with the connection seat 231, and is connected with the connection seat 231 by using a screw. The inner diameter of the socket space is in transition fit with the outer diameter of the third connection segment 2323, so that the third connection segment 2323 enters the socket space.
During assembly, the third connecting section 2323 of the connecting member 232 is firstly sleeved into the sleeving space of the connecting seat 231, then the second connecting section 2322 of the connecting member 232 is connected with the connecting seat 231 through a screw, and finally the spray pipe 233 is connected with the first connecting section 2321, so that the assembly process is simple and convenient.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The integrated portable powder coating on-site repairing device is characterized by comprising a powder supply device (1) and a spray head assembly (2), wherein the spray head assembly (2) comprises a spray gun (21), a spray head outer cover (22) arranged at a spray port of the spray gun (21) and at least one inner spray head (23) which is positioned in the spray head outer cover (22) and connected to the spray head outer cover (22), the powder supply device (1) is connected with the inner spray head (23), an electric heating element (211) and a blast element (212) are arranged in the spray gun (21), and the electric heating element (211) is positioned on one side, close to the spray port of the spray gun (21), of the blast element (212).
2. The integrated portable powder coating spot repair device according to claim 1, wherein the powder supply device (1) comprises a powder supply pipe (11), a powder storage tank (12), and a power assembly, wherein one end of the powder supply pipe (11) is connected with the inner spray head (23), the other end is connected with the outlet of the powder storage tank (12), the power assembly is connected with the powder storage tank (12), and the power assembly is configured to blow the powder in the powder storage tank (12) into the powder supply pipe (11).
3. The integrated portable powder coating in-situ repair apparatus according to claim 2, wherein the power assembly comprises a compressor, a first air pipe (131) and a powder blowing air pipe (132), one end of the powder blowing air pipe (132) is connected with the compressor, and the other end is connected with the bottom of the powder storage tank (12) to blow the powder in the powder storage tank (12) to the outlet of the powder storage tank (12); one end of the first air pipe (131) is connected with the compressor, and the other end of the first air pipe is connected with the outlet of the powder storage tank (12) and communicated with the powder supply pipe (11).
4. The integrated portable powder coating in-situ remediation device of claim 3, wherein the outlet of the powder storage tank (12) is provided with a connector (133), and the connector (133) is hollow and provided with a powder inlet (1331) for connecting with the powder storage tank (12), a first air inlet (1333) for connecting with the first air pipe (131), and a powder outlet (1332) for connecting with the powder supply pipe (11).
5. The integrated portable powder coating on-site repair device according to claim 4, wherein an atomizing pipe (1336) is arranged in the powder outlet (1332), an atomizing cavity (1335) is formed in the joint (133) and located outside the atomizing pipe (1336), a plurality of vent holes communicating the inside of the atomizing pipe (1336) with the atomizing cavity (1335) are formed in the pipe wall of the atomizing pipe (1336), a second air inlet (1334) communicated with the atomizing cavity (1335) is formed in the surface of the joint (133), a second air pipe (134) is connected to the second air inlet (1334), and the second air pipe (134) is connected to the compressor.
6. The integrated portable powder coating spot repair device according to claim 2, wherein the top of said powder storage tank (12) is provided with an air pressure equalizing port (121) communicating with the inside of said powder storage tank (12).
7. The integrated portable powder coating in-situ repair apparatus of claim 1, the inner spray head (23) comprises a connecting seat (231), a connecting piece (232), a spray pipe (233) and a cross cover (234), the inner spray head (23) is provided with a powder spraying channel which sequentially penetrates through the connecting seat (231), the connecting piece (232) and the spray pipe (233), the connecting seat (231) is arranged in the spray head outer cover (22) and is connected with the powder supply pipe (11), one end of the connecting piece (232) is detachably connected with the connecting seat (231), the other end is detachably connected with the inlet end of the spray pipe (233), the outlet end of the spray pipe (233) is provided with the cross cover (234), four fan-shaped hollow areas (2341) are annularly distributed on the cross cover (234), and a cross structure is formed among the four fan-shaped hollow areas (2341).
8. The integrated portable powder coating spot repair device according to claim 7, wherein the cross-shaped housing (234) comprises a barrel (2342) and an end plate (2343) arranged at an outer end of the barrel (2342), the fan-shaped hollowed-out area (2341) is arranged on the end plate (2343), and the barrel (2342) is connected with the nozzle pipe (233).
9. The integrated portable powder coating spot repair device according to claim 7, wherein the connecting member (232) and the nozzle (233) are connected at a connecting position, wherein one connecting end is provided with an internal thread, the other connecting end is provided with an external thread adapted to the internal thread, and the connecting member (232) and the nozzle (233) are in threaded connection.
10. The integrated portable powder coating spot repair device according to claim 9, wherein the connection holder (231) is provided with a plurality of threaded holes (2311) along a circumference of the powder spraying channel, the connection member (232) is provided with mounting holes (2324) corresponding to the plurality of threaded holes (2311) one to one, and the connection member (232) is connected to the connection holder (231) by screws passing through the mounting holes (2324) and connected into the threaded holes (2311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911080355.5A CN110743721B (en) | 2019-11-07 | 2019-11-07 | On-spot patching device of integrated portable powder coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911080355.5A CN110743721B (en) | 2019-11-07 | 2019-11-07 | On-spot patching device of integrated portable powder coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110743721A true CN110743721A (en) | 2020-02-04 |
| CN110743721B CN110743721B (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911080355.5A Active CN110743721B (en) | 2019-11-07 | 2019-11-07 | On-spot patching device of integrated portable powder coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110743721B (en) |
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| CN206366467U (en) * | 2016-12-27 | 2017-08-01 | 天津市升发科技股份有限公司 | A kind of aluminium section bar electrostatic spraying gun |
| CN211190641U (en) * | 2019-11-07 | 2020-08-07 | 浙江金洲管道科技股份有限公司 | Integrated portable powder coating field repairing device |
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| CN110743721B (en) | 2024-01-19 |
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