CN115338053B - Cold spray coating apparatus - Google Patents
Cold spray coating apparatus Download PDFInfo
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- CN115338053B CN115338053B CN202211270029.2A CN202211270029A CN115338053B CN 115338053 B CN115338053 B CN 115338053B CN 202211270029 A CN202211270029 A CN 202211270029A CN 115338053 B CN115338053 B CN 115338053B
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- assembly
- powder feeding
- air flow
- flow channel
- powder
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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
- 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
- B05B7/1606—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 the spraying of the material involving the use of an atomising fluid, e.g. air
- B05B7/1613—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 the spraying of the material involving the use of an atomising fluid, e.g. air comprising means for heating the atomising fluid before mixing with the material to be sprayed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/63—Handgrips
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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
- 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
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
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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
- 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
- B05B7/14—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 designed for spraying particulate materials
- B05B7/1404—Arrangements for supplying particulate material
- B05B7/144—Arrangements for supplying particulate material the means for supplying particulate material comprising moving mechanical means
- B05B7/1445—Arrangements for supplying particulate material the means for supplying particulate material comprising moving mechanical means involving vibrations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses cold spraying equipment, which relates to the technical field of cold spraying processes and comprises a spray gun device and a powder feeding device, wherein the spray gun device comprises a first shell component and a temperature rising device, and is provided with a first air flow channel, a second air flow channel and a third air flow channel, the first air flow channel is formed between the outer surface of the shell component and a heat insulation part, the second air flow channel is formed between the outer surface of a pipeline and the inner wall of the shell component, a first heating part is positioned in the second air flow channel, the third air flow channel is formed in the pipeline, the second heating part is positioned in the third air flow channel, the first air flow channel is respectively communicated with an air inlet and the second air flow channel, the third air flow channel is respectively communicated with the second air flow channel and an air outlet, and the powder feeding device is communicated with the air outlet. This design has improved heating effect and spraying effect.
Description
Technical Field
The invention relates to the field of cold spraying, in particular to cold spraying equipment.
Background
At present, the gas heating device of current cold spraying equipment generally adopts the mode of metal hollow tube heating of ventilating, this kind of mode has better control by temperature change stability though, but heating efficiency is lower, the temperature rise speed is slower, gaseous extravagant serious, it is relatively poor to small-scale spraying scene economy, there is the mode that adopts the built-in resistance wire of big bore tubular metal resonator to ventilate the heating in addition, but this kind of mode generally needs the electric power higher relatively when gas pressure is great, and need be at the thermal-insulated heat preservation that tubular metal resonator shell cladding is thick, heating effect is relatively poor, thereby the spraying effect has been influenced.
Disclosure of Invention
The invention mainly aims to provide cold spraying equipment, aiming at improving the heating effect and the spraying effect.
To achieve the above object, the present invention provides a cold spray apparatus comprising:
the spray gun device is provided with an air inlet and an air outlet and comprises a first shell assembly and a temperature rise device, the first shell assembly is provided with a first installation space, the temperature rise device is located in the first installation space, the temperature rise device comprises a shell assembly, a pipeline, a first heating element and a second heating element, a first air flow channel is formed between the outer surface of the shell assembly and the first shell assembly, an installation cavity is arranged in the shell assembly, the pipeline is located in the installation cavity, a second air flow channel is formed between the outer surface of the pipeline and the inner wall of the shell assembly, the first heating element is located in the second air flow channel, a third air flow channel is formed inside the pipeline, the second heating element is located in the third air flow channel, the first air flow channel is respectively communicated with the air inlet and the second air flow channel, and the third air flow channel is respectively communicated with the second air flow channel and the air outlet;
and the powder feeding device is communicated with the gas outlet.
Preferably, the spray gun device further comprises a nozzle assembly, the nozzle assembly is provided with a powder feeding channel, the nozzle assembly is arranged on the first shell assembly and located at the gas outlet, the nozzle assembly is communicated with the gas outlet, and a powder inlet is formed in the outer wall of the nozzle assembly and communicated with the powder feeding channel.
Preferably, the nozzle assembly comprises a laval nozzle and a spray pipe, the laval nozzle is hollow and communicated with the spray pipe, one end of the laval nozzle is arranged on the first housing assembly and located at the air outlet, the other end of the laval nozzle is connected with the spray pipe, and the powder inlet is formed in the outer wall of the laval nozzle.
Preferably, the spray gun device further comprises a valve assembly, wherein the valve assembly comprises a switch regulating valve and a pressure regulating valve, the pressure regulating valve is arranged on the switch regulating valve, the switch regulating valve is communicated with the air inlet, and the pressure regulating valve is used for regulating pressure.
Preferably, the spray gun device further comprises a heat shield disposed between the temperature raising device and the first housing assembly, the housing assembly outer surface and the heat shield forming the first air flow passage therebetween.
Preferably, the spray gun device still includes the thermocouple, cold spray equipment still includes temperature controller, the thermocouple sets up pipeline surface department, and is located gas outlet department, temperature controller sets up on the powder feeding device, the thermocouple with the temperature controller electricity is connected, the thermocouple is used for detecting the temperature of gas outlet.
Preferably, the spray gun device still includes the handle subassembly, the handle subassembly includes activity handle, fixed handle and slide rail, fixed handle sets up first shell subassembly is close to one side of air inlet, the slide rail sets up first shell subassembly is close to on the one end of air outlet, activity handle slides and sets up on the slide rail.
Preferably, the powder feeding device comprises a second housing assembly, a material cylinder body, a powder feeding adjusting mechanism and a powder feeding pipe assembly, a second installation space is arranged in the second housing assembly, the material cylinder body and the powder feeding adjusting mechanism are respectively arranged on the second housing assembly and are located in the second installation space, the material cylinder body is located above the powder feeding adjusting mechanism, the powder feeding adjusting mechanism is connected with the powder feeding pipe assembly, the powder feeding port is formed in the outer wall of the nozzle assembly, the powder feeding pipe assembly is respectively communicated with the material cylinder body and the powder feeding port, the material cylinder body is used for placing powder, and the powder feeding adjusting mechanism is used for controlling the powder feeding amount of the powder feeding pipe assembly.
Preferably, the powder feeding device further comprises a partition assembly, the partition assembly is arranged on the second housing assembly and located in the second installation space, the powder feeding adjusting mechanism is located above the partition assembly, the powder feeding pipe assembly comprises a first pipe fitting and a second pipe fitting, the first pipe fitting and the second pipe fitting are respectively arranged on the upper side and the lower side of the partition assembly, two ends of the first pipe fitting are respectively communicated with the material cylinder body and the partition assembly, two ends of the second pipe fitting are respectively communicated with the partition assembly and the powder inlet, and one end, close to the first pipe fitting, of the partition assembly is provided with a plurality of openings which are communicated with the second installation space.
Preferably, cut off the subassembly including cutting off body, first connector and second connector, first connector with the second connector respectively with cut off the body intercommunication, and set up relatively cut off the upper and lower both ends of body, first pipe fitting sets up on the first connector, first connector passes through first pipe fitting with feed cylinder body intercommunication, the second pipe fitting sets up on the second connector, the second connector passes through the second pipe fitting with advance the powder mouth intercommunication, it is close to cut off the body one of first pipe fitting is served and is provided with a plurality ofly the opening.
Preferably, the second housing component includes a base, a second housing member and a supporting member, the second housing member is disposed on the base and forms the second installation space with the base, the supporting member is disposed on the second housing component and is located above the base, the charging barrel body and the supporting member are respectively disposed on the second housing member, the powder feeding adjusting mechanism is disposed on the supporting member, the powder feeding pipe component passes through the supporting member and communicates with the base and the charging barrel body, and the partition component is disposed on the base.
Preferably, the powder feeding device further comprises a motor, the motor is connected with the bottom of the cylinder body, and the motor is used for vibrating the cylinder body.
The invention discloses cold spraying equipment, which is characterized in that through a first air flow channel, a second air flow channel and a third air flow channel arranged on a spray gun device, the air retention time of a plurality of heating elements becomes longer through the plurality of air flow channels, so that the heating effect is better, the heating efficiency is higher, the air flow sprayed out of an air outlet reaches the preset temperature, and a powder feeding device is communicated with the air outlet, so that the convergence of the sprayed air flow and powder is better realized, and the spraying effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a general schematic view of one embodiment of the cold spray apparatus of the present invention;
FIG. 2 is a schematic cross-sectional view of a spray gun apparatus according to an embodiment of the cold spray apparatus of the present invention;
FIG. 3 is a schematic cross-sectional view of a portion of the cold spray apparatus of one embodiment of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a schematic cross-sectional view of a nozzle assembly of an embodiment of the cold spray apparatus of the present invention;
FIG. 6 is a schematic structural diagram of a part of a powder feeding device according to an embodiment of the cold spray apparatus of the present invention;
FIG. 7 is a schematic cross-sectional view of a powder feeding device according to an embodiment of the cold spray apparatus of the present invention;
FIG. 8 is a schematic view of a partition assembly of an embodiment of the cold spray apparatus of the present invention.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 10 | |
11 | |
| 111 | |
12 | |
| 13 | |
14 | |
| 141 | |
142 | |
| 143 | |
144 | |
| 145 | |
15 | |
| 151 | |
152 | Laval |
| 153 | |
16 | |
| 161 | |
162 | |
| 17 | |
171 | |
| 172 | |
173 | |
| 20 | |
21 | |
| 211 | |
212 | |
| 213 | |
22 | |
| 23 | Powder |
231 | |
| 232 | |
24 | Powder |
| 241 | First pipe fitting | 242 | Second pipe fitting |
| 25 | |
251 | |
| 252 | |
253 | Second connector |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the expression "and/or" and/or "is used throughout, the meaning includes three parallel schemes, for example," A and/or B ", including scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides cold spraying equipment.
Referring to fig. 1 to 8, in an embodiment of the present invention, a cold spray apparatus includes:
the spray gun device 10 is provided with an air inlet 11 and an air outlet 12, the spray gun device 10 includes a first housing assembly 13 and a temperature rising device 14, the first housing assembly 13 is provided with a first installation space 111, the temperature rising device 14 is located in the first installation space 111, the temperature rising device 14 includes a housing assembly 141, a pipeline 142, a first heating element 143 and a second heating element 144, a first air flow channel is formed between an outer surface of the housing assembly 141 and the first housing assembly 13, an installation cavity 145 is arranged in the housing assembly 141, the pipeline 142 is located in the installation cavity 145, a second air flow channel is formed between the outer surface of the pipeline 142 and an inner wall of the housing assembly 141, the first heating element 143 is located in the second air flow channel, a third air flow channel is formed in the pipeline 142, the second heating element 144 is located in the third air flow channel, the first air flow channel is respectively communicated with the air inlet 11 and the second air flow channel, and the third air flow channel is respectively communicated with the second air flow channel and the air outlet 12;
a powder feeding device 20, wherein the powder feeding device 20 is communicated with the air outlet 12.
The invention discloses cold spraying equipment, which comprises a spray gun device 10 and a powder feeding device 20, wherein a temperature rising device 14 arranged in the spray gun device 10 comprises a shell component 141, a pipeline 142, a first heating component 143 and a second heating component 144, the pipeline 142 is arranged in an installation cavity 145 in the shell component 141, the second heating component 144 is arranged in the pipeline 142, the first heating component 143 is arranged in the pipeline 142, the shell component 141 is arranged at the outermost periphery, a first air flow channel is formed between the outer surface of the shell component 141 and a first shell component 13, the first heating component 143 is arranged in the second air flow channel, a third air flow channel is formed in the pipeline 142, air flow enters the first air flow channel in sequence after entering the temperature rising device 14 through an air inlet 11, the temperature of the air flow rises while taking away dissipated heat, then the air flow enters the second air flow channel, the air flow rises again under the action of the first heating component 143, finally the air flow enters the third air flow channel, the temperature rises further, the air flow channel is formed by the plurality of air flow channels, the air flow retention time of the plurality of heating components is longer, the better, the heating effect is achieved, the better heating efficiency is achieved, the air flow is better, the air flow is communicated with a spraying device 12, and the preset air outlet of the powder feeding device, and the better spraying effect is achieved, and the better communication effect is achieved.
In the present embodiment, the air inlet 11 and the air outlet 12 are respectively disposed at both sides of the first housing component 13.
In the embodiment of the present invention, the air inlet 11 and the air outlet 12 are respectively disposed at both sides of the housing assembly 141.
In an embodiment of the present invention, the tube 142 may be a ceramic tube.
Referring to fig. 1 to 5, in the embodiment of the present invention, the spray gun apparatus 10 further includes a nozzle assembly 15, the nozzle assembly 15 is provided with a powder feeding channel, the nozzle assembly 15 is disposed on the first housing assembly 13 and located at the gas outlet 12, the nozzle assembly 15 is communicated with the gas outlet 12, and a powder inlet 151 is opened on an outer wall of the nozzle assembly 15 and is communicated with the powder feeding channel.
The air current passes through gas outlet 12 and reaches in the nozzle assembly 15, because powder feeding device 20 is through setting up powder inlet 151 and nozzle assembly 15 intercommunication on the nozzle assembly 15, therefore air current and powder are at the inside back that mixes of nozzle assembly 15, again along nozzle assembly 15 continuous motion, because gas outlet 12 has the air current to carry and pass through in the nozzle assembly 15 always, therefore the air powder mixture further assembles the back in nozzle assembly 15, again jets out through nozzle assembly 15, this design has improved the convergence that sprays the powder, has improved the spraying effect.
Referring to fig. 2 to 5, in the embodiment of the present invention, the nozzle assembly 15 includes a laval nozzle 152 and a spray pipe 153, the laval nozzle 152 is hollow and communicated with the spray pipe 153, one end of the laval nozzle 152 is disposed on the first housing assembly 13 and located at the air outlet 12, the other end of the laval nozzle 152 is connected to the spray pipe 153, and the powder inlet 151 is disposed on an outer wall of the laval nozzle 152.
The Laval nozzle 152 is arranged, so that the air flow speed flowing through the nozzle is increased, normal fluid can be accelerated to supersonic fluid, and therefore, the air-powder mixture is further accelerated to be converged in the nozzle assembly 15 and then is sprayed out through the nozzle assembly 15 by larger spraying impact force.
Referring to fig. 1 to 5, in the embodiment of the present invention, the spray gun apparatus 10 further includes a valve assembly 16, the valve assembly 16 includes an on-off regulating valve 161 and a pressure regulating valve 162, the pressure regulating valve 162 is disposed on the on-off regulating valve 161, the on-off regulating valve 161 is communicated with the air inlet 11, and the pressure regulating valve 162 is used for regulating pressure.
The air inlet 11 is opened or closed by arranging the switch regulating valve 161 to control the flow of the air flow, so that the operation convenience is improved, the air pressure flow in the spray gun device 10 can be better controlled by arranging the pressure regulating valve 162, the spraying effect of the spray gun can be better controlled, and the use feeling of a user is improved.
In the embodiment of the present invention, the spray gun device 10 further includes a heat insulating member disposed between the temperature raising device 14 and the first housing assembly 13, and the first air flow passage is formed between the outer surface of the housing assembly 141 and the heat insulating member.
The self temperature of air current is risen when the first air current channel of flowing through takes away the loss heat, has effectively alleviated heat preservation thermal-insulated pressure through having set up heat insulating part, prevents that the user from scalding in the use.
In the present embodiment, the heat insulating member is disposed on the inner wall of the first housing assembly 13, and the first heating member 143 is disposed on the outer surface of the duct 142.
In the embodiment of the invention, the heat insulation piece can be a polyurethane piece, an expanded polystyrene foam piece, a foamed polypropylene piece, a rubber-plastic cotton piece, a heat insulation cotton piece or a phenolic foam piece.
Referring to fig. 1 to 5, in the embodiment of the present invention, the spray gun device 10 further includes a thermocouple, the cold spray equipment further includes a temperature controller, the thermocouple is disposed on the outer surface of the ceramic tube and located at the air outlet 12, the temperature controller is disposed on the powder feeding device 20, the thermocouple is electrically connected to the temperature controller, and the thermocouple is configured to detect the temperature of the air outlet 12.
The thermocouple is arranged to detect the temperature of the air outlet 12, data are fed back to the temperature controller, and the temperature controller is adjusted according to the temperature during use, so that the phenomenon that the temperature of the sprayed air flow is too high or too low due to too high or too low temperature is prevented, and the spraying effect is influenced.
Referring to fig. 1 to 5, in the embodiment of the present invention, the spray gun apparatus 10 further includes a handle assembly 17, the handle assembly 17 includes a movable handle 171, a fixed handle 172 and a slide rail 173, the fixed handle 172 is disposed on a side of the first housing assembly 13 close to the air inlet 11, the slide rail 173 is disposed on an end of the first housing assembly 13 close to the air outlet 12, and the movable handle 171 is slidably disposed on the slide rail 173.
By providing the handle assembly 17 on the first housing assembly 13, the spray gun device 10 is convenient to take in use, improving the convenience of operation. The fixed handle 172 is fixedly installed at a side close to the air inlet 11, specifically, the fixed handle may be a tail portion of the first housing assembly 13 of the spray gun apparatus 10, the movable handle 171 is installed at an end close to the air outlet 12 through a slide rail 173, specifically, the movable handle may be installed at a front portion of the first housing assembly 13 of the spray gun apparatus 10, and the movable handle 171 may be freely changed/fixed in position on the slide rail 173, so as to meet use habits of different persons.
In the embodiment of the present invention, the spray gun device 10 further includes a temperature rise switch and a temperature adjustment knob, the temperature rise switch and the temperature adjustment knob are respectively disposed on the first housing component 13, the temperature rise switch is configured to turn on the temperature rise device 14, and the temperature rise adjustment knob is configured to adjust the temperature of the temperature controller.
Referring to fig. 6 to 8, in the embodiment of the present invention, the powder feeding device 20 includes a second housing assembly 21, a cylinder body 22, a powder feeding adjustment mechanism 23, and a powder feeding tube assembly 24, a second installation space is provided in the second housing assembly 21, the cylinder body 22 and the powder feeding adjustment mechanism 23 are respectively disposed on the second housing assembly 21 and located in the second installation space, the cylinder body 22 is located above the powder feeding adjustment mechanism 23, the powder feeding adjustment mechanism 23 is connected to the powder feeding tube assembly 24, the powder feeding port 151 is opened on an outer wall of the nozzle assembly 15, the powder feeding tube assembly 24 is respectively communicated with the cylinder body 22 and the powder feeding port 151, the cylinder body 22 is used for placing powder, and the powder feeding adjustment mechanism 23 is used for controlling a powder feeding amount of the powder feeding tube assembly 24.
Install the feed cylinder body 22 and send powder adjustment mechanism 23 on second shell subassembly 21, make full use of installation space, make the structure compacter, feed cylinder body 22 is through sending powder pipe subassembly 24 and advancing powder mouth 151 intercommunication, thereby assemble with the air current of spray gun device 10 spun, realize the spraying effect, set up and send powder adjustment mechanism 23 and can adjust the powder volume through sending powder pipe subassembly 24, thereby can control the powder volume through sending powder pipe subassembly 24 in the unit interval, thereby the better effect of spraying of having guaranteed.
Referring to fig. 6 to 8, in the embodiment of the present invention, the powder feeding adjustment mechanism 23 includes a first clamping assembly 231, a second clamping assembly 232, and a driving device, the first clamping assembly 231 and the second clamping assembly 232 are respectively disposed on the second housing assembly 21, the driving device drives the first clamping assembly 231 and the second clamping assembly 232 to move, and a distance between the first clamping assembly 231 and the second clamping assembly 232 is used for clamping the powder feeding tube assembly 24.
Referring to FIG. 1, in an embodiment of the present invention, the powder feed tube assembly 24 is at least partially located within the first airflow channel.
Referring to fig. 6 to 8, in the embodiment of the present invention, the powder feeding device 20 further includes a partition assembly 25, the partition assembly 25 is disposed on the second housing assembly 21 and is located in the second installation space, the powder feeding adjustment mechanism 23 is located above the partition assembly 25, the powder feeding tube assembly 24 includes a first tube 241 and a second tube 242, the first tube 241 and the second tube 242 are respectively disposed on the upper side and the lower side of the partition assembly 25, two ends of the first tube 241 are respectively communicated with the material cylinder 22 and the partition assembly 25, two ends of the second tube 242 are respectively communicated with the partition assembly 25 and the powder inlet 151, one end of the partition assembly 25 close to the first tube 241 is provided with a plurality of openings, and the plurality of openings are communicated with the second installation space.
In order to avoid that the powder feeding pipe assembly 24 is extruded and deformed by air under negative pressure when the powder feeding adjusting mechanism 23 is in a closed state or the powder drop amount is too much, so that a powder feeding passage under the negative pressure is closed, the lower part of the powder feeding adjusting mechanism 23 is provided with the partition assembly 25 for cutting off the powder feeding pipe assembly 24, two end faces of the partition assembly 25 are respectively connected with the first pipe 241 and the second pipe 242, one end, close to the first pipe 241, of the partition assembly 25 is provided with a group of small holes, so that the negative pressure in the powder feeding pipe assembly 24 is reduced, the air pressure in the powder feeding pipe assembly 24 can reach normal air pressure, the problem that the powder amount is changed due to the change of the pressure in the powder feeding pipe assembly 24 in the using process is solved, and the spraying effect is influenced.
Referring to fig. 6 to 8, in the embodiment of the present invention, the partition assembly 25 includes a partition body 251, a first connector 252 and a second connector 253, the first connector 252 and the second connector 253 are respectively communicated with the partition body 251 and are oppositely disposed at upper and lower ends of the partition body 251, the first pipe 241 is disposed on the first connector 252, the first connector 252 is communicated with the material cylinder 22 through the first pipe 241, the second pipe 242 is disposed on the second connector 253, the second connector 253 is communicated with the powder inlet 151 through the second pipe 242, and one end of the partition body 251 close to the first pipe 241 is provided with a plurality of openings.
Through having set up and cut off the body 251 for the first connector 252 of better installation and second connector 253, thereby first pipe fitting 241 and second pipe fitting 242 of better installation, thereby make compact structure, rational utilization the installation space, and cut off and set up a plurality of openings on the body 251, thereby realize sending the negative pressure reduction in the powder pipe assembly 24, make the atmospheric pressure that sends in the powder pipe assembly 24 can reach normal atmospheric pressure, thereby in the use has been improved, send the problem that the pressure change in the powder pipe assembly 24 can cause the powder volume to change, thereby influence the spraying effect.
Referring to fig. 6 to 8, in the embodiment of the present invention, the second housing assembly 21 includes a base 211, a second housing member 212, and a support member 213, the second housing member 212 is disposed on the base 211 and surrounds the base 211 to form the second installation space, the support member 213 is disposed on the second housing assembly 21 and is located above the base 211, the cartridge body 22 and the support member 213 are respectively disposed on the second housing member 212, the powder feeding adjustment mechanism 23 is disposed on the support member 213, the powder feeding tube assembly 24 passes through the support member 213 and communicates with the base 211 and the cartridge body 22, and the partition assembly 25 is disposed on the base 211.
Through having set up base 211 for better installation second housing part 212 and cut off subassembly 25, the rational utilization installation space, make the structure compacter, set up support piece 213 and send powder adjustment mechanism 23 for better installation, prevent in the use, send powder adjustment mechanism 23 to appear signs such as pine and take off.
Referring to fig. 7 to 8, in the embodiment of the present invention, the first clamping assembly 231 and the second clamping assembly 232 are respectively disposed on the support 213.
In the embodiment of the present invention, the powder feeding device 20 further includes a motor, and the motor is configured to vibrate the cartridge body 22.
Powder in the material cylinder body 22 continuously enters the powder feeding pipe assembly 24 under the action of the motor, and enters the air outlet 12 of the spray gun device 10 to be sprayed under the carrying of air flow.
In the embodiment of the present invention, the cold spray equipment further includes a control device and a gas supply device, the gas supply device is communicated with the gas inlet 11, the control device is electrically connected with the spray gun device 10, the powder feeding device 20 and the gas supply device, and the control device is configured to control the gas supply device to feed the spray gas to the spray gun device 10 and control the powder feeding device 20 to feed the powder to the spray gun device 10.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.
Claims (6)
1. A cold spray apparatus, comprising:
the spray gun device is provided with an air inlet and an air outlet and comprises a first shell assembly and a temperature rise device, the first shell assembly is provided with a first installation space, the temperature rise device is located in the first installation space, the temperature rise device comprises a shell assembly, a pipeline, a first heating element and a second heating element, a first air flow channel is formed between the outer surface of the shell assembly and the first shell assembly, an installation cavity is arranged in the shell assembly, the pipeline is located in the installation cavity, a second air flow channel is formed between the outer surface of the pipeline and the inner wall of the shell assembly, the first heating element is located in the second air flow channel, a third air flow channel is formed inside the pipeline, the second heating element is located in the third air flow channel, the first air flow channel is respectively communicated with the air inlet and the second air flow channel, and the third air flow channel is respectively communicated with the second air flow channel and the air outlet;
the spray gun device further comprises a nozzle assembly, the nozzle assembly is provided with a powder feeding channel, the nozzle assembly is arranged on the first shell assembly and is positioned at the gas outlet, the powder feeding channel is communicated with the gas outlet, and the outer wall of the nozzle assembly is provided with a powder inlet which is communicated with the powder feeding channel;
the powder feeding device is communicated with the air outlet; the powder feeding device comprises a second shell assembly, a material cylinder body, a powder feeding adjusting mechanism, a powder feeding pipe assembly and a partition assembly, a second installation space is arranged in the second shell assembly, the material cylinder body and the powder feeding adjusting mechanism are respectively arranged on the second shell assembly and are positioned in the second installation space, the material cylinder body is positioned above the powder feeding adjusting mechanism, the powder feeding adjusting mechanism is connected with the powder feeding pipe assembly, a powder inlet is formed in the outer wall of the nozzle assembly, the powder feeding pipe assembly is respectively communicated with the material cylinder body and the powder inlet, the material cylinder body is used for placing powder, and the powder feeding adjusting mechanism is used for controlling the powder feeding amount of the powder feeding pipe assembly; the partition assembly is arranged on the second shell assembly and located in the second installation space, the powder feeding adjusting mechanism is located above the partition assembly, the powder feeding pipe assembly comprises a first pipe fitting and a second pipe fitting, the first pipe fitting and the second pipe fitting are respectively arranged on the upper side and the lower side of the partition assembly, two ends of the first pipe fitting are respectively communicated with the material cylinder body and the partition assembly, two ends of the second pipe fitting are respectively communicated with the partition assembly and the powder inlet, one end, close to the first pipe fitting, of the partition assembly is provided with a plurality of openings, and the plurality of openings are communicated with the second installation space;
cut off the subassembly including cutting off body, first connector and second connector, first connector with the second connector respectively with cut off the body intercommunication, and set up relatively cut off the upper and lower both ends of body, first pipe fitting sets up on the first connector, first connector passes through first pipe fitting with feed cylinder body intercommunication, the second pipe fitting sets up on the second connector, the second connector passes through the second pipe fitting with advance the powder mouth intercommunication, it is close to cut off the body one of first pipe fitting is served and is provided with a plurality ofly the opening.
2. The cold spray device of claim 1, wherein the nozzle assembly comprises a laval nozzle and a spray pipe, the laval nozzle is hollow and communicated with the spray pipe, one end of the laval nozzle is disposed on the first housing assembly and located at the air outlet, the other end of the laval nozzle is connected with the spray pipe, and the powder inlet is disposed on an outer wall of the laval nozzle.
3. The cold spray apparatus of claim 1, wherein said spray gun device further comprises a valve assembly including an on-off regulating valve and a pressure regulating valve, said pressure regulating valve being provided on said on-off regulating valve, said on-off regulating valve being in communication with said air inlet, said pressure regulating valve being for regulating pressure; and/or
The spray gun apparatus further comprises a thermal shield disposed between the temperature rise device and the first housing assembly; and/or
The spray gun device further comprises a thermocouple, the cold spraying equipment further comprises a temperature controller, the thermocouple is arranged on the outer surface of the pipeline and located at the gas outlet, the temperature controller is arranged on the powder feeding device and electrically connected with the temperature controller, and the thermocouple is used for detecting the temperature of the gas outlet.
4. The cold spray apparatus of claim 1, wherein said spray gun device further comprises a handle assembly, said handle assembly comprising a movable handle, a fixed handle, and a slide rail, said fixed handle being disposed on a side of said first housing assembly proximate to said air inlet, said slide rail being disposed on an end of said first housing assembly proximate to said air outlet, said movable handle being slidably disposed on said slide rail.
5. The cold spray apparatus according to claim 1, wherein the second housing assembly includes a base, a second housing member, and a supporting member, the second housing member is disposed on the base and encloses the second mounting space with the base, the supporting member is disposed on the second housing assembly and located above the base, the cartridge body and the supporting member are disposed on the second housing member, respectively, the powder feeding adjustment mechanism is disposed on the supporting member, the powder feeding tube assembly passes through the supporting member and communicates with the cartridge body through the base, and the partition assembly is disposed on the base.
6. The cold spray apparatus of claim 1, wherein said powder feeding device further comprises a motor connected to a bottom of said cartridge body, said motor for vibrating said cartridge body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211270029.2A CN115338053B (en) | 2022-10-18 | 2022-10-18 | Cold spray coating apparatus |
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| CN202211270029.2A CN115338053B (en) | 2022-10-18 | 2022-10-18 | Cold spray coating apparatus |
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| CN115338053A (en) | 2022-11-15 |
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