CN110743721B - On-spot patching device of integrated portable powder coating - Google Patents
On-spot patching device of integrated portable powder coating Download PDFInfo
- Publication number
- CN110743721B CN110743721B CN201911080355.5A CN201911080355A CN110743721B CN 110743721 B CN110743721 B CN 110743721B CN 201911080355 A CN201911080355 A CN 201911080355A CN 110743721 B CN110743721 B CN 110743721B
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- Prior art keywords
- powder
- spray
- spray head
- pipe
- storage tank
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- 239000000843 powder Substances 0.000 title claims abstract description 170
- 239000011248 coating agent Substances 0.000 title claims abstract description 26
- 238000000576 coating method Methods 0.000 title claims abstract description 26
- 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 17
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000000889 atomisation Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009423 ventilation 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
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 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
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 gun spray outlet, 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 of the blast element, which is close to the spray gun spray outlet. The integrated portable powder coating on-site repairing device is simple and portable, and can conveniently repair the powder coating on a workpiece; the spray head outer cover can prevent powder from scattering; the powder in the outer cover of the spray head moves towards the workpiece under the drive of the spray gun and is sprayed on the workpiece, so that the coating uniformity is good; the electric heating element in the spray gun heats the air blown by the air blowing element, and heats the powder and the repair position of the workpiece through the hot air, thereby being 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 on-site 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 technology is energy-saving, pollution-free, simple, convenient, powder can be recycled, automation is easy to realize, and the coating is attractive, firm and durable, thereby becoming a new development direction of the coating industry. In the electrostatic powder spraying operation, it is necessary to send the powder into the spraying apparatus with compressed air, and the powder in the spraying apparatus floats in the air and is adsorbed on the profile by static electricity, so that the more uniform the powder in the spraying apparatus, the better the spraying effect.
In industry, the inner wall of a large steel pipe is coated by large powder spraying equipment, and partial areas are not sprayed in place due to compressed air power, equipment self or external environment interference and the like during spraying, so that the areas which are not sprayed in place are required to be subjected to repair spraying. The existing nozzle produces powder unevenly during powder spraying, and the powder is not heated, so that the spraying effect is poor. Accordingly, there is a need for an integrated portable powder coating field repair device that addresses the above-described issues.
Disclosure of Invention
The invention aims to provide an integrated portable powder coating on-site repair device which can carry out powder spraying repair on a workpiece in a portable manner and has a good spraying effect.
To achieve the purpose, the invention adopts the following technical scheme: the utility model provides an on-spot patching device of integrated portable powder coating, includes powder supply device and shower nozzle subassembly, the shower nozzle subassembly includes the spray gun, sets up in the shower nozzle dustcoat of spray gun ejection port and be located in the shower nozzle dustcoat and connect in at least one interior shower nozzle of shower nozzle dustcoat, powder supply device with interior shower nozzle is connected, the spray gun is inside to be provided with electric heating element and blast element, electric heating element is located blast element be close to one side of spray gun ejection port.
Preferably, the powder supply device comprises a powder supply pipe, a powder storage tank and a power component, wherein 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 component is connected with the powder storage tank, and the power component is configured to enable powder in the powder storage tank to be blown into the powder supply pipe.
Preferably, the power assembly comprises a compressor, a first air pipe and a powder blowing air pipe, wherein 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 with the bottom of the powder storage tank so as to blow powder of 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 is communicated with the powder supply pipe.
Preferably, the outlet of the powder storage tank is provided with a connector, and the connector 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, an atomization tube is arranged in the powder outlet, an atomization cavity is formed in the outer side of the atomization tube in the joint, a plurality of vent holes for communicating the inside of the atomization tube with the atomization cavity are formed in the tube wall of the atomization tube, a second air inlet communicated with the atomization cavity is formed in the surface of the joint, a second air pipe is connected to the second air inlet, and the second air pipe is connected with the compressor.
Preferably, the top of the powder storage tank is provided with an air pressure balance port communicated with the interior 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 is sequentially communicated with the connecting seat, the connecting piece and the spray pipe, the connecting seat is arranged in the spray head cover and is connected with a 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 hollowed-out sections are annularly distributed on the cross cover, and a cross structure is formed between the fan-shaped hollowed-out 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 hollowed-out section is 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 repair device which is simple and portable and can conveniently repair a powder coating on a workpiece; the spray gun spray outlet is provided with a spray head outer cover, and the spray head outer cover can prevent powder from scattering; the powder sprayed out of the inner spray head uniformly diffuses 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 drive of the inner spray head and the spray gun, and is sprayed on the workpiece, so that the coating uniformity is good; the electric heating element in the spray gun heats the air blown by the air blowing element, and heats the powder and the repair position of the workpiece through the hot air, thereby being beneficial to improving the spraying effect.
Drawings
FIG. 1 is a schematic diagram of an integrated portable powder coating field repair device 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 the cross housing 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 tube; 132. a powder blowing 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 spray head assembly; 21. a spray gun; 211. an electric heating element; 212. a blower element; 22. a spray head housing; 23. an inner nozzle; 231. a connecting seat; 2311. a threaded hole; 232. a connecting piece; 2321. a first connection section; 2322. a second connection section; 2323. a third connecting section; 2324. a mounting hole; 233. a spray pipe; 234. a cross cover; 2341. a fan-shaped hollowed-out section; 2342. a cylinder; 2343. end plates.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
The invention provides an integrated portable powder coating on-site repair device, as shown in fig. 1, which comprises 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 outlet of the spray gun 21, and at least one inner spray head 23 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 on one side of the blast element 212 close to the spray outlet 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 a workpiece; the spray gun 21 has a spray nozzle outer cover 22 arranged at the spray outlet, and the spray nozzle outer cover 22 can prevent the powder from scattering; the powder sprayed by the inner spray head 23 uniformly diffuses in the spray head housing 22, the electric heating element 211 and the air blowing element 212 are arranged in the spray gun 21, the powder in the spray head housing 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, so that the coating uniformity is good; the electric heating element 211 in the spray gun 21 heats the air blown out by the blower element 212, and heats the powder and the repair position of the workpiece by the hot air, which is beneficial to improving the spraying effect.
The 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 component, wherein one end of the powder supply pipe 11 is connected with an inner spray head 23, the other end of the powder supply pipe is connected with an outlet of the powder storage tank 12, the power component is connected with the powder storage tank 12, and the power component 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 pipe 132, wherein one end of the powder blowing 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 of 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 is connected with 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 made to enter the powder supply pipe 11 due to the pressure difference formed by the air flow at the outlet of the powder storage tank 12.
As shown in fig. 2, a connector 133 is provided at the outlet of the powder storage tank 12, and the connector 133 is hollow and provided with a powder inlet 1331 for connection with the powder storage tank 12, a first air inlet 1333 for connection with the first air tube 131, and a powder outlet 1332 for connection with the powder supply tube 11. Powder in the powder storage tank 12 enters the connector 133 from the powder inlet 1331, and moves toward the powder outlet 1332 under the action of gas entering from the first gas inlet 1333 (the direction of the gas and the powder is shown by hollow arrows in fig. 2).
In order to improve the mist effect of powder and avoid powder caking, an atomizing pipe 1336 is arranged in a powder outlet 1332, an atomizing cavity 1335 is formed in the connector 133 outside the atomizing pipe 1336, a plurality of vent holes for 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 position of the second air inlet 1334, and the second air pipe 134 is connected with a compressor. The second air pipe 134 blows air into the atomizing chamber 1335, and air in the atomizing chamber 1335 enters the atomizing pipe 1336 through an air vent hole in the atomizing pipe 1336 (shown by hollow arrows in reference to fig. 2), so that when powder passes through the atomizing pipe 1336, the powder is uniformly mixed with the air blown in by the circumference of the atomizing pipe 1336, and the powder is atomized, so that powder agglomeration is avoided.
The top of the powder storage tank 12 is provided with an air pressure balance 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 danger caused by excessive air pressure in the powder storage tank 12.
As shown in fig. 3 and 4, the inner nozzle 23 includes a connecting seat 231, a connecting piece 232, a nozzle 233 and a cross cover 234, the inner nozzle 23 is provided with a powder spraying channel which sequentially penetrates through the connecting seat 231, the connecting piece 232 and the nozzle 233, the connecting seat 231 is arranged in the nozzle outer cover 22 and is connected with the powder supply tube 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 nozzle 233, the outlet end of the nozzle 233 is provided with the cross cover 234, the cross cover 234 is annularly provided with four fan-shaped hollowed-out sections 2341 in a distributed manner, and a cross structure is formed between the four fan-shaped hollowed-out sections 2341.
The powder supply pipe is fixedly connected in the spray head outer cover 22 through the connecting seat 231, the connecting seat 231 is connected with the powder supply pipe 11, and the detachable connection between the connecting seat 231 and the spray pipe 233 is realized through the detachable connecting piece 232, so that the disassembly and the installation are convenient, and the cleaning and the maintenance of the interior of the inner spray head 23 are convenient; through set up the cross cover 234 at the exit end of spray tube 233, follow spray tube 233 spun powder and be dispersed in cross cover 234 department to from four fan-shaped fretwork interval 2341 blowout, can cause certain disturbance to powder spun air current through the cross structure, balanced air current avoids swirled air current, makes the homogeneity of powder good.
Specifically, the cross cover 234 includes a cylinder 2342 and an end plate 2343 disposed at an outer end of the cylinder 2342, the fan-shaped hollowed-out section 2341 is disposed on the end plate 2343, and the cylinder 2342 is connected to the nozzle 233. The cylinder 2342 is used for connecting with the spray pipe 233, and specific connection modes can be sleeving, fixed connection, threaded connection, screw connection and the like. Optionally, the cylinder 2342 is sleeved with the nozzle 233, and the outer wall of the cylinder 2342 is in interference fit with the inner wall of the nozzle 233. When the cross cover 234 is sleeved into the spray pipe 233, the cylinder 2342 is in interference fit with the spray pipe 233, so that the cross cover 234 can be prevented from falling, and the installation mode is convenient. In order to ensure that the cylinder 2342 smoothly enters the spray pipe 233 during the sleeving process, the outer circumference of the inner end of the cylinder 2342 is provided with a chamfer. The diameter of the end of the barrel 2342 after chamfering is smaller than the inner diameter of the nozzle 233, so that the barrel 2342 can enter the nozzle 233 conveniently.
The detachable connection between the connecting piece 232 and the nozzle 233 is specifically: at the connection position of the connecting piece 232 and the spray pipe 233, one connecting end is provided with an internal thread, and the other connecting end is provided with an external thread matched with the internal thread, and the connecting piece 232 is in threaded connection with the spray pipe 233. The end of the connecting piece 232 is provided with external threads, and the inner wall of the spray pipe 233 is provided with internal threads; in addition, the connecting piece 232 can be sleeved outside the spray pipe 233, external threads are arranged on the outer wall of the spray pipe 233, and internal threads are arranged on the inner wall of the connecting piece 232. The disassembly and the installation 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 circumference of the powder spraying channel, the connecting piece 232 is provided with mounting holes 2324 corresponding to the threaded holes 2311 one by one, and the connecting piece 232 is connected to the connecting seat 231 through screws penetrating through the mounting holes 2324 and being connected to 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 convenient, and the connection is stable.
Specifically, the connecting piece 232 includes a first connecting section 2321, a second connecting section 2322 and a third connecting section 2323 that set gradually 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 in butt connection with the connecting seat 231, and the mounting hole 2324 is formed in the 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 face of the third connecting section 2323 is abutted with the end face of the sleeving space. The cylindrical socket space is used for being matched with the third connecting section 2323 so as to be convenient for positioning when the connecting piece 232 is connected with the connecting seat 231 and connecting the connecting piece 232 and the connecting seat 231 by using screws. 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 piece 232 is sleeved into the sleeving space of the connecting seat 231, then the second connecting section 2322 of the connecting piece 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 is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (5)
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 hole of the spray gun (21) and at least one inner spray head (23) which is arranged 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 arranged on one side, close to the spray hole of the spray gun (21), of the blast element (212);
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 an 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);
the power assembly comprises a compressor, a first air pipe (131) and a powder blowing pipe (132), one end of the powder blowing pipe (132) is connected with the compressor, and the other end of the powder blowing pipe is connected with the bottom of the powder storage tank (12) so as to blow powder of the powder storage tank (12) to an 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 is communicated with the powder supply pipe (11);
the outlet of the powder storage tank (12) is provided with a connector (133), and the connector (133) is hollow and is provided with a powder inlet (1331) for being connected with the powder storage tank (12), a first air inlet (1333) for being connected with the first air pipe (131) and a powder outlet (1332) for being connected with the powder supply pipe (11);
an atomization tube (1336) is arranged in the powder outlet (1332), an atomization cavity (1335) is formed in the connector (133) at the outer side of the atomization tube (1336), a plurality of ventilation holes for communicating the interior of the atomization tube (1336) with the atomization cavity (1335) are formed in the tube wall of the atomization tube (1336), a second air inlet (1334) communicated with the atomization cavity (1335) is formed in the surface of the connector (133), a second air tube (134) is connected to the second air inlet (1334), and the second air tube (134) is connected with the compressor;
the top of the powder storage tank (12) is provided with an air pressure balance port (121) communicated with the interior of the powder storage tank (12).
2. The integrated portable powder coating on-site repair device according to claim 1, wherein 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 housing (22) and is connected with a powder supply pipe (11), one end of the connecting piece (232) is detachably connected with the connecting seat (231), the other end of the connecting piece is detachably connected with an inlet end of the spray pipe (233), an outlet end of the spray pipe (233) is provided with the cross cover (234), four fan-shaped hollowed-out sections (2341) are annularly distributed on the cross cover (234), and a cross structure is formed between the four fan-shaped hollowed-out sections (2341).
3. The integrated portable powder coating field repair device of claim 2, wherein the cross housing (234) comprises a cylinder (2342) and an end plate (2343) arranged at the outer end of the cylinder (2342), the fan-shaped hollowed-out section (2341) is arranged on the end plate (2343), and the cylinder (2342) is connected with the spray pipe (233).
4. The integrated portable powder coating field repair device according to claim 2, wherein at the connection location of the connection piece (232) and the nozzle (233), one of the connection ends is provided with an internal thread, the other one is provided with an external thread adapted to the internal thread, and the connection piece (232) and the nozzle (233) are in threaded connection.
5. The integrated portable powder coating field repair device according to claim 4, wherein the connection base (231) is provided with a plurality of threaded holes (2311) along the circumferential direction of the powder spraying channel, the connection piece (232) is provided with mounting holes (2324) corresponding to the threaded holes (2311) one by one, and the connection piece (232) is connected to the connection base (231) by screws penetrating through the mounting holes (2324) and being connected to 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 CN110743721A (en) | 2020-02-04 |
| CN110743721B true 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 |
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| Country | Link |
|---|---|
| CN (1) | CN110743721B (en) |
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| CN204429532U (en) * | 2014-12-10 | 2015-07-01 | 中国石油集团渤海石油装备制造有限公司 | A kind of powder-coating spraying gun |
| 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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2019
- 2019-11-07 CN CN201911080355.5A patent/CN110743721B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH130552A (en) * | 1952-04-18 | 1928-12-15 | Westinghouse Electric Corp | Installation of change of socket to at least one electrical transformer. |
| AU1351683A (en) * | 1982-04-16 | 1983-10-20 | Nordson Corp. | Air atomizing nozzle |
| CN2626622Y (en) * | 2003-05-14 | 2004-07-21 | 新疆星际工程有限责任公司 | Epoxy powder internal coating gap repairing machine for steel pipeline |
| CN1730167A (en) * | 2005-07-29 | 2006-02-08 | 陈加印 | Ultrasonic electrothermal spraying plant |
| CN204429532U (en) * | 2014-12-10 | 2015-07-01 | 中国石油集团渤海石油装备制造有限公司 | A kind of powder-coating spraying gun |
| 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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|---|---|
| CN110743721A (en) | 2020-02-04 |
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