CN116060236A - Powder flame meltallizing coating spraying system - Google Patents
Powder flame meltallizing coating spraying system Download PDFInfo
- Publication number
- CN116060236A CN116060236A CN202211565232.2A CN202211565232A CN116060236A CN 116060236 A CN116060236 A CN 116060236A CN 202211565232 A CN202211565232 A CN 202211565232A CN 116060236 A CN116060236 A CN 116060236A
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- China
- Prior art keywords
- chamber
- pipe
- mounting seat
- air supply
- smoke
- Prior art date
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- 239000000843 powder Substances 0.000 title claims abstract description 53
- 238000005507 spraying Methods 0.000 title claims abstract description 45
- 238000000576 coating method Methods 0.000 title description 4
- 239000011248 coating agent Substances 0.000 title description 3
- 238000002485 combustion reaction Methods 0.000 claims abstract description 64
- 239000000779 smoke Substances 0.000 claims abstract description 60
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003546 flue gas Substances 0.000 claims abstract description 51
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 34
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 34
- 238000010285 flame spraying Methods 0.000 claims abstract description 22
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 42
- 239000007921 spray Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 20
- 230000008602 contraction Effects 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012544 monitoring process Methods 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
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
-
- 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
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
- B05B7/20—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion
-
- 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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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a powder flame spray coating spraying system, which comprises a spraying chamber and further comprises: the multi-degree-of-freedom manipulator is arranged at the top of the spraying chamber; the flame spraying assembly is arranged on the multi-degree-of-freedom manipulator and comprises a combustion chamber and a flue gas recovery channel, and the flue gas recovery channel is communicated with the combustion chamber; and a thermoplastic powder supply assembly mounted on the flame spraying assembly for supplying thermoplastic powder into the combustion chamber. The invention discloses a powder flame spray coating spraying system, wherein a thermoplastic powder supply assembly supplies thermoplastic powder into a combustion chamber, and generated smoke is recovered by a smoke recovery channel, so that the problem of smoke spraying is reduced.
Description
Technical Field
The invention relates to the technical field of flame spraying, in particular to a powder flame spray coating spraying system.
Background
Coating techniques for applying thermoplastic powders in the melt by flame spraying have long been known. Such techniques are used, for example, to produce corrosion-resistant coatings on articles of manufacture of different nature. According to the known method, thermoplastic powder is sprayed onto the manufactured article to be coated by means of a spray gun supplied with compressed air and with a suitable liquefied petroleum gas. The gas flame produced by the spray gun conveys the melted particles of powder onto the article to be coated.
In practical use, the burning smoke at the mouth of the spray gun can be sprayed out together with the molten particles to influence the observation of an operator due to poor temperature control after the spray gun is used for a long time.
Disclosure of Invention
To achieve the above object, the present invention discloses a powder flame spray coating system, comprising a spray booth, further comprising:
the multi-degree-of-freedom manipulator is arranged at the top of the spraying chamber;
the flame spraying assembly is arranged on the multi-degree-of-freedom manipulator and comprises a combustion chamber and a flue gas recovery channel, and the flue gas recovery channel is communicated with the combustion chamber;
and a thermoplastic powder supply assembly mounted on the flame spraying assembly for supplying thermoplastic powder into the combustion chamber.
Preferably, the method further comprises:
the component is placed to wait to spray, wait to spray place the component install in the interior bottom of spraying room, wait to spray the piece place on waiting to spray the component.
Preferably, an observation window is arranged on the spraying chamber.
Preferably, a camera is installed in the spraying chamber.
Preferably, the flame spraying assembly includes:
the main mounting seat is internally provided with an air inlet chamber and a smoke chamber which are mutually independent;
the rear mounting seat is fixedly connected to the main mounting seat and is arranged close to the air inlet chamber, and the flue gas chamber is communicated with the end, far away from the rear mounting seat, of the main mounting seat;
the front mounting seat is mounted at the end, far away from the rear mounting seat, of the main mounting seat and is connected to the flue gas chamber in a sealing manner;
the inner mounting pipe is connected with the combustion chamber at one end, and the other end of the inner mounting pipe penetrates through the smoke chamber and stretches into the air inlet chamber;
the outer fixing pipe is sleeved on the inner mounting pipe, the flue gas recovery channel is formed between the outer fixing pipe and the inner mounting pipe, one end of the outer fixing pipe is connected with the combustion chamber, the other end of the outer fixing pipe is connected with the flue gas chamber, and the rear mounting seat is sleeved on the other end of the outer fixing pipe;
the air supply port is arranged at the end, close to the rear mounting seat, of the main mounting seat, and is communicated with the air inlet chamber;
the smoke outlet is arranged at the top end of the main mounting seat and is communicated with the smoke chamber.
Preferably, the top end of the combustion chamber is provided with a smoke inlet communicated with the smoke recycling channel, a filter screen is arranged on the smoke inlet, the combustion chamber is far away from the outer fixed pipe end and is provided with a spraying port, and the combustion chamber is close to the outer fixed pipe end and is provided with an air inlet communicated with the inner installation pipe.
Preferably, the flame spraying assembly further comprises:
the gas pipe is positioned in the inner mounting pipe, one end of the gas pipe is connected with the combustion chamber, and the other end of the gas pipe penetrates through the smoke chamber and the air inlet chamber and is connected in the rear mounting seat;
the gas supply channel is arranged in the rear mounting seat and is communicated with the gas pipe;
the ignition rod is positioned in the inner mounting tube, and one end of the ignition rod extends into the combustion chamber;
the ignition electrode is arranged on the rear mounting seat, extends into the gas pipe and is connected with the ignition rod;
the flame detector is arranged on the rear mounting seat, extends into the gas pipe and is used for detecting flame combustion information in the gas pipe.
Preferably, the flame spraying assembly further comprises:
the annular chamber is arranged in the main mounting seat by taking the flue gas chamber as a center, and is communicated with the flue gas chamber;
the inner ring end of the rotating ring seat is sleeved on the inner mounting tube through a rotating bearing, the outer ring end of the rotating ring seat is positioned in the annular chamber, an annular groove is formed in the rotating ring seat, and smoke exhaust blades are arranged in the annular groove;
the rotating blades are circumferentially arranged at the outer ring end of the rotating ring seat and are positioned in the annular chamber;
an air supply pipeline, wherein one end of the air supply pipeline is connected with the air supply port, and the other end of the air supply pipeline is connected with the annular chamber;
the air outlet pipeline is buried in the main mounting seat and is connected between the annular chamber and the air inlet chamber.
Preferably, the flame spraying assembly further comprises:
the bypass groove is formed in the inner wall of the smoke outlet, and the air supply pipeline penetrates through the bypass groove;
the sliding block is connected in the bypass groove in a sliding manner;
the air supply channel is arranged on the sliding block and is matched with the air supply pipeline;
the fixed pipe is arranged at the notch end of the bypass groove and extends into the smoke outlet;
the fins are arranged on the fixed tube;
the sealing seat is arranged at the end, far away from the smoke outlet, of the fixed pipe;
the plug body is positioned in the fixed pipe, and the fixed pipe is filled with heat expansion and cold contraction gas between the plug body and the sealing seat;
the connecting rod penetrates through the sealing seat and is connected between the plug body and the sliding block;
and the return spring is positioned in the bypass groove and is propped between the sealing seat and the sliding block.
Preferably, the thermoplastic powder supply assembly includes:
the supply box is arranged at the bottom end of the main mounting seat;
the feeding pipe with the pump, one end of the feeding pipe with the pump is connected with the feeding box, and the other end of the feeding pipe with the pump is connected with the bottom end of the combustion chamber.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a flame spraying assembly according to the present invention;
fig. 3 is an enlarged view of reference a in fig. 2;
fig. 4 is a schematic view of a rotating ring base structure according to the present invention.
In the figure: 1. a spray booth; 2. a multi-degree-of-freedom manipulator; 3. a flame spraying assembly; 4. a thermoplastic powder supply assembly; 5. a component for placing a workpiece to be sprayed; 31. a combustion chamber; 32. a flue gas recovery channel; 33. a main mounting base; 34. an intake chamber; 35. a flue gas chamber; 36. a rear mounting base; 37. a front mounting base; 38. an inner mounting tube; 39. an outer fixing tube; 30. an air supply port; 41. a smoke outlet; 42. a smoke inlet; 43. a spraying port; 44. a gas pipe; 45. a gas supply channel; 46. an ignition bar; 47. an ignition electrode; 48. a flame detector; 49. an annular chamber; 40. a rotary ring seat; 51. rotating the blade; 52. an air supply line; 53. an air outlet pipeline; 54. a bypass groove; 55. a sliding block; 56. an air supply passage; 57. a fixed tube; 58. a fin; 59. a sealing seat; 50. a plug body; 61. a connecting rod; 62. and a return spring.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the powder flame spray coating system provided in this embodiment includes a spray booth 1, and further includes:
the multi-degree-of-freedom manipulator 2 is arranged at the inner top of the spraying chamber 1;
the flame spraying assembly 3 is arranged on the multi-degree-of-freedom manipulator 2, the flame spraying assembly 3 comprises a combustion chamber 31 and a flue gas recovery channel 32, and the flue gas recovery channel 32 is communicated with the combustion chamber 31;
a thermoplastic powder supply assembly 4, the thermoplastic powder supply assembly 4 being mounted on the flame spraying assembly 3, the thermoplastic powder assembly 4 being for supplying thermoplastic powder into the combustion chamber 31.
The working principle and beneficial effects of the technical scheme are as follows:
the invention discloses a powder flame spray coating spraying system, a part to be sprayed is placed in a spraying chamber 1, a multi-degree-of-freedom manipulator 2 works to drive a flame spraying assembly 3 to finish spraying the surface of the part to be sprayed, a thermoplastic powder supply assembly 4 supplies thermoplastic powder into a combustion chamber 31, and generated smoke is recovered by a smoke recovery channel 32, so that the problem of smoke spraying is reduced.
In one embodiment, further comprising:
the component 5 is placed to the piece that waits to spray, wait to spray place the component 5 install in the spraying room 1 is interior bottom, wait to spray the piece and place on the component 5 is placed to wait to spray.
The beneficial effects of the technical scheme are as follows:
the to-be-sprayed part is placed on the to-be-sprayed part placing assembly 5, and the to-be-sprayed part placing assembly 5 realizes the fixation and rotation of the to-be-sprayed part.
In one embodiment, the spray booth 1 is provided with a viewing window.
The beneficial effects of the technical scheme are as follows:
and the arrangement of the observation window is convenient for observation.
In one embodiment, a camera is installed in the spray booth 1.
The beneficial effects of the technical scheme are as follows:
and the camera is used for collecting spraying information.
In one embodiment, the flame spray assembly 3 comprises:
a main mounting seat 33, wherein an air inlet chamber 34 and a smoke chamber 35 which are mutually independent are formed in the main mounting seat 33;
the rear mounting seat 36 is fixedly connected to the main mounting seat 33 and is arranged close to the air inlet chamber 34, and the flue gas chamber 35 is communicated with the end, far away from the rear mounting seat 36, of the main mounting seat 33;
a front mounting seat 37, wherein the front mounting seat 37 is mounted at the end, far away from the rear mounting seat 36, of the main mounting seat 33, and the front mounting seat 37 is connected to the flue gas chamber 35 in a sealing manner;
an inner mounting pipe 38, wherein one end of the inner mounting pipe 38 is connected with the combustion chamber 31, and the other end of the inner mounting pipe 38 penetrates through the flue gas chamber 35 and extends into the air inlet chamber 34;
the outer fixing pipe 39 is sleeved on the inner mounting pipe 38, the flue gas recovery channel 32 is formed between the outer fixing pipe 39 and the inner mounting pipe 38, one end of the outer fixing pipe 39 is connected with the combustion chamber 31, the other end of the outer fixing pipe 39 is connected with the flue gas chamber 35, and the rear mounting seat 36 is sleeved on the other end of the outer fixing pipe 39;
an air supply port 30, wherein the air supply port 30 is mounted at the end of the main mounting seat 33 close to the rear mounting seat 36, and the air supply port 30 is communicated with the air inlet chamber 34;
and a smoke outlet 41, wherein the smoke outlet 41 is arranged at the top end of the main mounting seat 33, and the smoke outlet 41 is communicated with the smoke chamber 35.
The working principle and beneficial effects of the technical scheme are as follows:
the air supply port 30 is connected with the air supply fan through a pipeline, the air supply is fed into the air inlet chamber 34 from the air supply port 30, and is fed into the combustion chamber 31 from the inner mounting pipe 38, the thermoplastic powder is fed into the combustion chamber 31 by the thermoplastic powder supply assembly 4, so that the thermoplastic powder is conveniently sprayed out while the thermoplastic powder is melted thermally in the combustion chamber 31, the flue gas generated in the combustion process is recycled into the flue gas chamber 35 from the flue gas recycling channel 32, the flue gas is collected by the flue gas outlet 41, and the flue gas is recycled through the flue gas collecting pipeline.
In one embodiment, a smoke inlet 42 communicated with the smoke recycling channel 32 is formed in the top end of the combustion chamber 31, a filter screen is installed on the smoke inlet 42, a spraying opening 43 is installed at the end, far away from the outer fixing tube 39, of the combustion chamber 31, and an air inlet communicated with the inner installation tube 38 is installed at the end, close to the outer fixing tube 39, of the combustion chamber 31.
The working principle of the technical scheme is as follows:
after the thermoplastic powder in the combustion chamber 31 is melted by heat, the thermoplastic powder is sprayed from the spraying port 43, the flue gas is sent into the flue gas recovery passage 32 from the flue gas inlet 42, the air supply is sent into the air inlet chamber 34 from the air supply port 30, and the air is sent into the combustion chamber 31 from the inner mounting pipe 38 and the air inlet communicated with the inner mounting pipe 38.
In one example, the flame spray assembly 3 further comprises:
a gas pipe 44, wherein the gas pipe 44 is located in the inner mounting pipe 38, one end of the gas pipe 44 is connected with the combustion chamber 31, and the other end of the gas pipe 44 penetrates through the flue gas chamber 35 and the air inlet chamber 34 and is connected in the rear mounting seat 36;
a gas supply channel 45, wherein the gas supply channel 45 is installed in the rear mounting seat 36 and is communicated with the gas pipe 44;
an ignition rod 46, said ignition rod 46 being located within said inner mounting tube 38, one end of said ignition rod 46 extending into said combustion chamber 31;
an ignition electrode 47, wherein the ignition electrode 47 is mounted on the rear mounting seat 36, and the ignition electrode 47 extends into the gas pipe 44 and is connected with the ignition rod 46;
a flame detector 48, wherein the flame detector 48 is mounted on the rear mounting seat 36, the flame detector 48 extends into the gas pipe 44, and the flame detector 48 is used for detecting flame combustion information in the gas pipe 44.
The working principle and beneficial effects of the technical scheme are as follows:
the ignition electrode 47 operates to drive the ignition rod 46 to fire, the external gas pipe feeds the fuel gas from the fuel gas supply channel 45 into the gas pipe 44 located in the inner mounting pipe 38, and into the combustion chamber 31 communicated with the gas pipe 44, after the ignition rod 46 fires, the thermoplastic powder hot melting operation in the combustion chamber 31 is completed under the combustion supporting of the fuel gas, and the flame detector 48 is used for monitoring flame combustion information.
In one embodiment, the flame spraying assembly 3 further comprises:
an annular chamber 49, wherein the annular chamber 49 is arranged in the main mounting seat 33 by taking the flue gas chamber 35 as a center, and the annular chamber 49 is communicated with the flue gas chamber 35;
the inner ring end of the rotating ring seat 40 is sleeved on the inner mounting pipe 38 through a rotating bearing, the outer ring end of the rotating ring seat 40 is positioned in the annular chamber 49, an annular groove is formed in the rotating ring seat 40, and smoke exhaust blades are mounted in the annular groove;
a rotor blade 51, wherein the rotor blade 51 is circumferentially mounted at the outer ring end of the rotor ring seat 40, and the rotor blade 51 is positioned in the annular chamber 49;
an air supply line 52, one end of the air supply line 52 being connected to the air supply port 30, and the other end of the air supply line 52 being connected to the inside of the annular chamber 49;
and an outlet pipe 53, wherein the outlet pipe 52 is buried in the main mounting seat 33 and is connected between the annular chamber 49 and the inlet chamber 34.
The working principle and beneficial effects of the technical scheme are as follows:
the air supply port 30 is connected with the air supply fan through a pipeline, the air supply is fed into the air inlet chamber 34 from the air supply port 30 and is fed into the combustion chamber 31 from the inner mounting pipe 38, meanwhile, the air supply is fed into the annular chamber 49 from the air supply pipeline 52 communicated with the air supply port 30, the air supply is blown to the air inlet chamber 34 from the air outlet pipeline 53 after being blown onto the rotating blade 51, the air supply is blown onto the rotating blade 51, thereby driving the rotating ring seat 40 sleeved on the inner mounting pipe 38 to rotate, the smoke sucking blade in the annular groove on the rotating ring seat 40 rotates circumferentially, thereby generating guide air flow in the smoke chamber 35, and the smoke fed into the smoke recycling channel 32 from the smoke inlet 42 is quickly sucked into the smoke chamber 35 and is quickly discharged from the smoke outlet 41.
In one embodiment, the flame spraying assembly 3 further comprises:
a bypass groove 54, wherein the bypass groove 54 is formed on the inner wall of the smoke outlet 41, and the air supply pipeline 52 is arranged through the bypass groove 54;
a slider 55, wherein the slider 55 is slidably connected to the bypass groove 54;
an air supply passage 56, wherein the air supply passage 56 is provided on the sliding block 55, and the air supply passage 56 is adapted to the air supply pipeline 52;
the fixed pipe 57 is arranged at the notch end of the bypass groove 54, and the fixed pipe 57 extends into the smoke outlet 41;
a fin 58, the fin 58 being mounted on the fixing tube 57;
the sealing seat 59 is arranged at the end, far away from the smoke outlet 41, of the fixed pipe 57, and the sealing seat 59 is arranged at the end, far away from the smoke outlet 41, of the fixed pipe 57;
the plug body 50 is positioned in the fixed pipe 57, and the fixed pipe 57 is filled with heat expansion and cold contraction gas between the plug body 50 and the sealing seat 59;
a connecting rod 61, wherein the connecting rod 61 penetrates through the sealing seat 59 and is connected between the plug body 50 and the sliding block 55;
and a return spring 62, wherein the return spring 62 is positioned in the bypass groove 54 and is abutted between the sealing seat 59 and the sliding block 55.
The working principle and beneficial effects of the technical scheme are as follows:
the thermoplastic powder in the combustion chamber 31 is melted by heat, hot flue gas is sent into the flue gas recovery channel 32 from the flue gas inlet 42, when the hot flue gas is discharged from the flue gas outlet 41, the fins 58 collect the heat and transfer the heat into the fixed pipe 57, so that the heat expansion and cold contraction gas filled between the plug body 50 and the sealing seat 59 in the fixed pipe 57 expands by heating, the heat expansion and cold contraction gas pushes the plug body 50 and the sliding block 55 connected with the plug body 50 and positioned in the bypass groove 54 to move towards the contraction direction of the return spring 62, the air supply channel 56 on the sliding block 55 is partially communicated with the air supply pipeline 52, so that air is sent into the annular chamber 49 from the air supply pipeline 52 communicated with the air supply port 30, the air supply is blown and blown onto the rotating blade 51, the rotating ring seat 40 rotates and the flue gas is discharged from the flue gas outlet 41 rapidly; when the current fluctuation of the air supply fan changes, the air supply fan power connected with the air supply port 30 becomes smaller, the air supply is made smaller, the air supply in the combustion chamber 31 connected with the inner mounting pipe 38 becomes smaller, the heat in the combustion chamber 31 is accumulated, the thermoplastic powder in the combustion chamber 31 is excessively melted, the heat of the flue gas in the combustion chamber 31 is improved, the heat of the flue gas sent into the flue gas recovery channel 32 from the flue inlet 42 is improved, when the flue gas with excessive heat is discharged from the flue outlet 41, the fins 58 further collect the heat and transfer the heat into the fixed pipe 57, the heat expansion and contraction gas filled between the plug body 50 and the sealing seat 59 in the fixed pipe 57 is further heated and expanded, the heat expansion and contraction gas pushes the plug body 50 and the sliding block 55 connected with the plug body 50 and positioned in the bypass groove 54 to the contraction direction of the reset spring 62, the air supply channel 56 on the sliding block 55 is completely communicated with the air supply pipeline 52, so that large-flow air is supplied into the annular chamber 49 from the air supply pipeline 52 communicated with the air supply port 30, the large-flow air is blown onto the rotating blades 51, so that the rotating speed of the rotating ring seat 40 is increased, and further, the smoke is rapidly discharged from the smoke outlet 41, so that heat accumulated in the combustion chamber 31 is rapidly discharged, excessive thermal melting of thermoplastic powder in the combustion chamber 31 is prevented, conversely, when the current fluctuation of the air supply fan is changed, the air supply is increased, the air supply in the combustion chamber 31 connected with the inner mounting pipe 38 is increased, the heat loss in the combustion chamber 31 is excessive, the heat of the smoke in the combustion chamber 31 is reduced, the heat of the smoke fed into the smoke recovery channel 32 from the smoke inlet 42 is reduced, the fins 58 cannot collect enough heat and transfer the heat into the fixed tube 57, so that the heat expansion and cold contraction gas filled in the fixed tube 57 and located between the plug body 50 and the sealing seat 59 is contracted by cooling, the heat expansion and cold contraction gas pushes the plug body 50 and the sliding block 55 connected with the plug body 50 and located in the bypass groove 54 to further move towards the extending direction of the return spring 62, and the air supply channel 56 on the sliding block 55 is closed with the air supply pipeline 52, so that heat loss is reduced.
In one embodiment, the thermoplastic powder supply assembly 4 comprises:
a supply box mounted to the bottom end of the main mount 33;
and one end of the feeding pipe with the pump is connected with the feeding box, and the other end of the feeding pipe with the pump is connected with the bottom end of the combustion chamber 31.
The working principle of the technical scheme is as follows:
the supply tank is filled with thermoplastic powder and the pump feed pipe is operated to feed thermoplastic powder in the supply tank into the combustion chamber 31.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. 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. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. A powder flame spray coating system comprising a spray booth (1), characterized in that it further comprises:
the multi-degree-of-freedom manipulator (2), wherein the multi-degree-of-freedom manipulator (2) is arranged at the inner top of the spraying chamber (1);
the flame spraying assembly (3), the flame spraying assembly (3) is arranged on the multi-degree-of-freedom manipulator (2), the flame spraying assembly (3) comprises a combustion chamber (31) and a flue gas recovery channel (32), and the flue gas recovery channel (32) is communicated with the combustion chamber (31);
and a thermoplastic powder supply assembly (4), wherein the thermoplastic powder supply assembly (4) is mounted on the flame spraying assembly (3), and the thermoplastic powder assembly (4) is used for supplying thermoplastic powder into the combustion chamber (31).
2. A powder flame spray coating system as recited in claim 1, further comprising:
the spraying part placing assembly (5) is arranged at the bottom in the spraying chamber (1), and the spraying part is placed on the spraying part placing assembly (5).
3. A powder flame spray coating system according to claim 1, characterized in that the spray booth (1) is provided with a viewing window.
4. A powder flame spray coating system according to claim 1, characterized in that a camera is mounted in the spray booth (1).
5. A powder flame spray coating system according to claim 1, wherein the flame spray assembly (3) comprises:
a main mounting seat (33), wherein an air inlet chamber (34) and a smoke chamber (35) which are mutually independent are formed in the main mounting seat (33);
the rear mounting seat (36), the rear mounting seat (36) is fixedly connected to the main mounting seat (33) and is arranged close to the air inlet chamber (34), and the flue gas chamber (35) is communicated with the end, far away from the rear mounting seat (36), of the main mounting seat (33);
the front mounting seat (37), the front mounting seat (37) is mounted at the end, far away from the rear mounting seat (36), of the main mounting seat (33), and the front mounting seat (37) is connected to the smoke chamber (35) in a sealing manner;
an inner mounting pipe (38), wherein one end of the inner mounting pipe (38) is connected with the combustion chamber (31), and the other end of the inner mounting pipe (38) penetrates through the flue gas chamber (35) and stretches into the air inlet chamber (34);
the outer fixing pipe (39), the outer fixing pipe (39) is sleeved on the inner mounting pipe (38), the flue gas recovery channel (32) is formed between the outer fixing pipe (39) and the inner mounting pipe (38), one end of the outer fixing pipe (39) is connected with the combustion chamber (31), the other end of the outer fixing pipe (39) is connected with the flue gas chamber (35), and the rear mounting seat (36) is sleeved on the other end of the outer fixing pipe (39);
an air supply port (30), wherein the air supply port (30) is arranged at the end, close to the rear mounting seat (36), of the main mounting seat (33), and the air supply port (30) is communicated with the air inlet chamber (34);
and the smoke outlet (41) is arranged at the top end of the main mounting seat (33), and the smoke outlet (41) is communicated with the smoke chamber (35).
6. The powder flame spray coating system according to claim 5, wherein a smoke inlet (42) communicated with the smoke recycling channel (32) is formed in the top end of the combustion chamber (31), a filter screen is mounted on the smoke inlet (42), a spray coating opening (43) is mounted at the end, far away from the outer fixing tube (39), of the combustion chamber (31), and an air inlet communicated with the inner mounting tube (38) is mounted at the end, close to the outer fixing tube (39), of the combustion chamber (31).
7. A powder flame spray coating system according to claim 5, wherein the flame spray assembly (3) further comprises:
the gas pipe (44) is positioned in the inner mounting pipe (38), one end of the gas pipe (44) is connected with the combustion chamber (31), and the other end of the gas pipe (44) penetrates through the smoke chamber (35) and the air inlet chamber (34) and is connected in the rear mounting seat (36);
a gas supply channel (45), wherein the gas supply channel (45) is arranged in the rear mounting seat (36) and is communicated with the gas pipe (44);
an ignition rod (46), wherein the ignition rod (46) is positioned in the inner mounting tube (38), and one end of the ignition rod (46) extends into the combustion chamber (31);
an ignition electrode (47), wherein the ignition electrode (47) is arranged on the rear mounting seat (36), and the ignition electrode (47) stretches into the gas pipe (44) and is connected with the ignition rod (46);
the flame detector (48), the flame detector (48) install in on back mount pad (36), flame detector (48) stretch into in the gas pipe (44), flame detector (48) are used for detecting flame combustion information in the gas pipe (44).
8. A powder flame spray coating system according to claim 5, wherein the flame spray assembly (3) further comprises:
an annular chamber (49), wherein the annular chamber (49) is arranged in the main mounting seat (33) by taking the flue gas chamber (35) as a center, and the annular chamber (49) is communicated with the flue gas chamber (35);
the inner ring end of the rotating ring seat (40) is sleeved on the inner mounting pipe (38) through a rotating bearing, the outer ring end of the rotating ring seat (40) is positioned in the annular chamber (49), an annular groove is formed in the rotating ring seat (40), and smoke exhaust blades are mounted in the annular groove;
the rotating blades (51) are circumferentially arranged at the outer ring end of the rotating ring seat (40), and the rotating blades (51) are positioned in the annular chamber (49);
an air supply line (52), one end of the air supply line (52) being connected to the air supply port (30), and the other end of the air supply line (52) being connected to the inside of the annular chamber (49);
and the air outlet pipeline (53) is buried in the main mounting seat (33) and is connected between the annular chamber (49) and the air inlet chamber (34).
9. A powder flame spray coating system according to claim 8, wherein the flame spray assembly (3) further comprises:
a bypass groove (54), wherein the bypass groove (54) is arranged on the inner wall of the smoke outlet (41), and the air supply pipeline (52) penetrates through the bypass groove (54);
a sliding block (55), wherein the sliding block (55) is slidably connected in the bypass groove (54);
an air supply channel (56), wherein the air supply channel (56) is arranged on the sliding block (55), and the air supply channel (56) is arranged in a manner of being matched with the air supply pipeline (52);
the fixed pipe (57) is arranged at the notch end of the bypass groove (54), and the fixed pipe (57) stretches into the smoke outlet (41);
a fin (58), the fin (58) being mounted on the fixed tube (57);
the sealing seat (59) is arranged at the end, far away from the smoke outlet (41), of the fixed pipe (57);
the plug body (50) is positioned in the fixed pipe (57), and the fixed pipe (57) is filled with heat expansion and cold contraction gas between the plug body (50) and the sealing seat (59);
the connecting rod (61) penetrates through the sealing seat (59) and is connected between the plug body (50) and the sliding block (55);
and the return spring (62) is positioned in the bypass groove (54) and is abutted between the sealing seat (59) and the sliding block (55).
10. A powder flame spray coating system according to claim 6, wherein the thermoplastic powder supply assembly (4) comprises:
the supply box is arranged at the bottom end of the main mounting seat (33);
and one end of the feeding pipe with the pump is connected with the feeding box, and the other end of the feeding pipe with the pump is connected with the bottom end of the combustion chamber (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211565232.2A CN116060236B (en) | 2022-12-07 | 2022-12-07 | Powder flame meltallizing coating spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211565232.2A CN116060236B (en) | 2022-12-07 | 2022-12-07 | Powder flame meltallizing coating spraying system |
Publications (2)
| Publication Number | Publication Date |
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| CN116060236A true CN116060236A (en) | 2023-05-05 |
| CN116060236B CN116060236B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211565232.2A Active CN116060236B (en) | 2022-12-07 | 2022-12-07 | Powder flame meltallizing coating spraying system |
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| JP3075710U (en) * | 2000-08-18 | 2001-03-06 | アメアジア インターナショナル インコーポレイテッド | Flame powder spray gun |
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| CN1867409A (en) * | 2003-10-09 | 2006-11-22 | 埃克希姆公司 | Apparatus for themal spray coating |
| CN106163674A (en) * | 2013-11-12 | 2016-11-23 | Ibix有限责任公司 | Method and apparatus for flame-spraying thermoplastic powder |
| JP2017008394A (en) * | 2015-06-24 | 2017-01-12 | 有限会社エスエスシー | Hvaf spray coating device for low temperature spray coating |
| CN113426593A (en) * | 2021-07-29 | 2021-09-24 | 湖南西爱斯流体控制设备有限公司 | Supersonic flame spray gun |
| CN113909015A (en) * | 2021-11-02 | 2022-01-11 | 水利部杭州机械设计研究所 | Automatic supersonic flame thermal spraying spray gun in narrow space and thermal spraying device thereof |
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2022
- 2022-12-07 CN CN202211565232.2A patent/CN116060236B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3075710U (en) * | 2000-08-18 | 2001-03-06 | アメアジア インターナショナル インコーポレイテッド | Flame powder spray gun |
| CN2644007Y (en) * | 2003-07-08 | 2004-09-29 | 陈冬青 | Spraying and daubing thermoplastic plastic powder device for large scale mental stucture, pipeline,pot and trough |
| CN1867409A (en) * | 2003-10-09 | 2006-11-22 | 埃克希姆公司 | Apparatus for themal spray coating |
| CN106163674A (en) * | 2013-11-12 | 2016-11-23 | Ibix有限责任公司 | Method and apparatus for flame-spraying thermoplastic powder |
| JP2017008394A (en) * | 2015-06-24 | 2017-01-12 | 有限会社エスエスシー | Hvaf spray coating device for low temperature spray coating |
| CN113426593A (en) * | 2021-07-29 | 2021-09-24 | 湖南西爱斯流体控制设备有限公司 | Supersonic flame spray gun |
| CN113909015A (en) * | 2021-11-02 | 2022-01-11 | 水利部杭州机械设计研究所 | Automatic supersonic flame thermal spraying spray gun in narrow space and thermal spraying device thereof |
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| Publication number | Publication date |
|---|---|
| CN116060236B (en) | 2023-10-20 |
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Denomination of invention: A powder flame spray coating spraying system Effective date of registration: 20231202 Granted publication date: 20231020 Pledgee: Bank of China Limited Yancheng Dafeng sub branch Pledgor: Jiangsu Yibai Precision Machinery Co.,Ltd. Registration number: Y2023980068624 |
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Granted publication date: 20231020 Pledgee: Bank of China Limited Yancheng Dafeng sub branch Pledgor: Jiangsu Yibai Precision Machinery Co.,Ltd. Registration number: Y2023980068624 |
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