CN216378348U - Thermal spraying equipment - Google Patents
Thermal spraying equipment Download PDFInfo
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- CN216378348U CN216378348U CN202122993855.7U CN202122993855U CN216378348U CN 216378348 U CN216378348 U CN 216378348U CN 202122993855 U CN202122993855 U CN 202122993855U CN 216378348 U CN216378348 U CN 216378348U
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Abstract
The utility model relates to thermal spraying equipment which comprises a spraying bin, wherein a spray gun for spraying a target material is arranged in the spraying bin, the thermal spraying equipment comprises a dust removal device, the dust removal device is provided with an air inlet, the spraying bin is provided with a dust removal port, the dust removal port is communicated with the air inlet of the dust removal device, the spraying bin is provided with an air inlet mechanism, and the air inlet mechanism introduces air and sends the air out to the spray gun along the spraying direction of the spray gun. The air inlet of the dust removal device is communicated with the dust removal port of the spraying bin, so that dust in the spraying bin is collected, and gas sprayed by the air inlet mechanism can act on flame flow sprayed by the spray gun along the spraying direction of the spray gun, so that the flame flow sprayed by the spray gun is concentrated, and the deposition rate of a sprayed coating is improved.
Description
Technical Field
The utility model relates to the technical field of coating equipment, in particular to thermal spraying equipment.
Background
In the production process of the target material, the target material is required to be placed in a spraying bin of spraying equipment, then a spray gun arranged in the spraying bin is used for spraying a coating on the surface of the target material, and specifically, the spraying equipment heats silicon powder or other metal powder coating to a molten or semi-molten state and sprays the silicon powder or other metal powder coating on the surface of a base pipe of the target material along with high-speed flame flow of the spray gun to form a compact silicon coating or other conductive coatings. The technical scheme has the following defects: on one hand, dust is generated in the spraying process, and the dust remained in the spraying bin can pollute the target coating and influence the coating quality; on the other hand, the flame flow of the spray gun is disordered, so that the concentrated spraying cannot be realized, the deposition rate of the coating is low, and the using amount of the sprayed powder is difficult to control.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide thermal spraying equipment which can recover dust in a spraying bin and concentrate flame flow of a spray gun.
In order to achieve the purpose, the utility model provides thermal spraying equipment which comprises a spraying bin, wherein a spray gun for spraying a target material is arranged in the spraying bin, the thermal spraying equipment comprises a dust removal device, the dust removal device is provided with an air inlet, the spraying bin is provided with a dust removal port, the dust removal port is communicated with the air inlet of the dust removal device, the spraying bin is provided with an air inlet mechanism, and the air inlet mechanism introduces air and sends the air out to the spray gun along the spraying direction of the spray gun.
Furthermore, the dust removal device is provided with a gas outlet communicated with the gas inlet mechanism, and the dust removal device sends gas to the gas inlet mechanism through the gas outlet.
Furthermore, the air inlet mechanism comprises a first air inlet pipe and an air guide channel, the rear end of the first air inlet pipe is communicated with an air outlet of the dust removal device, the first air inlet pipe conveys air to the air guide channel, and the air guide channel guides the air to the spray gun along the spraying direction of the spray gun and sends the air out of the spray gun.
Furthermore, the spray gun sprays out three-dimensional spiral flame flow, the front end of the first air inlet pipe outputs air towards the circumferential direction of the rear end opening of the air guide channel, the air circularly rotates along the inner wall of the air guide channel, and spiral air flow is formed in the air guide channel and sent out to the spray gun.
Further, the front end of the first air inlet pipe is specifically inclined towards the front end of the air guide channel and towards the circumferential direction of the rear port of the air guide channel to output air.
Furthermore, the air guide channel is gradually narrowed from back to front.
Further, the cross section of the air guide channel is annular.
Furthermore, the spraying bin is in a horizontal long cylindrical shape, the dust removal port is formed in the waist of the side wall of the barrel, the air inlet mechanism is formed in the waist of the side wall of the barrel opposite to the dust removal port, the spray gun and the air inlet mechanism are aligned to the dust removal port, a second air inlet and a third air inlet which are communicated with the air outlet of the dust removal device are formed in two ends of the spraying bin barrel respectively, and the flow rate of gas sent out by the air inlet mechanism is greater than that of the second air inlet and that of the third air inlet.
Further, the second air inlet and the third air inlet are provided at both end portions of the barrel side wall, respectively.
Further, the waist of spraying storehouse has the middle cavity of erectting to put, go into the top that gas mechanism established at middle cavity, the bottom at middle cavity is established to the dust removal mouth, the spray gun is established in middle cavity, is located between gas mechanism and the dust removal mouth, and the shower nozzle is down.
Has the advantages that: the dust removing device is adopted, the air inlet of the dust removing device is communicated with the dust removing port of the spraying bin, so that dust in the spraying bin is collected, and gas sprayed by the air inlet mechanism can act on flame flow sprayed by the spraying gun along the spraying direction of the spraying gun, so that the flame flow sprayed by the spraying gun is concentrated, and the deposition rate of a sprayed coating is improved.
Drawings
FIG. 1 is a rear side schematic plan view of a spray coating device;
FIG. 2 is a right side plan view of the spray coating device;
FIG. 3 is a right side plan view of the spray apparatus (intermediate tank with spray booth waist hidden);
fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Detailed Description
The utility model is described in further detail below with reference to specific embodiments.
In the target production process, a coating needs to be formed on the surface of the target, and the target is thermally sprayed by using a spraying device shown in fig. 1 and 2, wherein the spraying device comprises a spraying bin 1 and a dust removal device 2. The spraying cabin 1 is in a horizontal long cylinder shape, the waist part of the spraying cabin 1 is provided with a vertically arranged middle tank body 16, and the middle tank body 16 encloses a vertically arranged middle cavity. The dust removing device 2 is provided with an air inlet 211 and an air outlet 212, the spraying cabin 1 is correspondingly provided with a dust removing opening 12 communicated with the air outlet 212 and an air inlet mechanism 13 (see fig. 3) communicated with the air outlet 212, the dust removing opening 12 is arranged at the bottom end of the middle cavity, the air inlet mechanism 13 is arranged at the top end of the middle cavity, a spray gun 11 is arranged between the air inlet mechanism 13 and the dust removing opening 12 in the middle cavity, and a spray head of the spray gun 11 is downwards aligned with the dust removing opening 12. Referring to fig. 3, the air inlet mechanism 13 specifically includes a first air inlet pipe 131 and an air guide channel 132, a rear end of the first air inlet pipe 131 is communicated with the air outlet 212, a front end of the first air inlet pipe 131 faces downward and is inclined toward a circumferential direction of a rear end of the air guide channel 132, the air guide channel 132 is gradually narrowed from back to front, a cross section of the air guide channel 132 is preferably circular, and a front end of the air guide channel 132 faces downward and is aligned with the spray gun 11 and the dust removal opening 12.
When the thermal spraying equipment is used for spraying, the dust removal device 2 is started, the spray gun 11 sprays three-dimensional spiral flame flow to cover the surface of the target material, dust-containing gas is generated in the spraying process, the dust-containing gas enters the dust removal device 2 from the dust removal port 12 of the spraying bin 1 for dust removal, and the gas after dust removal is sent back to the first gas inlet pipe 131 through the gas outlet 212 of the dust removal device 2, so that the loss of nitrogen is reduced, and the production cost is reduced. The first air inlet pipe 131 outputs the gas sent by the dust removing device 2 towards the circumferential direction of the rear end opening of the air guide channel 132, the gas circularly rotates along the inner wall of the air guide channel 132, a spiral airflow is formed in the air guide channel 132 and is sent to the spray gun 11 along the spraying direction of the spray gun 11 to act on the flame flow sprayed by the spray gun, so that the flame flow is concentrated, the flame flow is prevented from being disordered, and the deposition rate of the sprayed coating is improved. In other embodiments, instead of communicating the first gas inlet pipe 131 with the gas outlet 212 of the dust removing device 2, another gas supply device may be used to communicate the first gas inlet pipe 131, and the gas supply device generates nitrogen or other shielding gas, and the nitrogen or other shielding gas is conveyed into the spraying chamber 1 through the first gas inlet pipe 131; the cross section of the air guide channel can be changed into an elliptical ring or a track ring and other structures instead of a circular ring.
The spraying equipment is provided with a second air inlet 14 and a third air inlet 15 which are communicated with the air outlet 212 of the dust removing device at two end parts of the side wall of the spraying bin 1, and regulating valves are arranged at the second air inlet 14 and the third air inlet 15. Before starting the spray gun, the user adjusts the regulating valves of the second air inlet 14 and the third air inlet 15, so that the flow rate of the second air inlet 14 and the flow rate of the third air inlet 15 are smaller than the flow rate of the gas sent out by the air guide channel 132, and then the spray gun is started for spraying, the gas can form directional gas flow in the spraying bin 1, and flows to the lower part of the air guide channel 132 from the second air inlet 14 and the third air inlet 15 to drive the dust generated by spraying to be concentrated below the air guide channel 132, the air guide channel 132 is aligned to the dust removal port 12, the concentrated dust is quickly blown out from the dust removal port 12 to the dust removal device 2 for recycling, and the dust is prevented from scattering around the spraying bin 1 to pollute the target. In other embodiments, instead of providing the second air inlet 14 and the third air inlet 15 with regulating valves, air inlets with a fixed flow rate may be used, as long as the flow rate of the second air inlet 14 and the flow rate of the third air inlet 15 are made to be smaller than the flow rate of the air delivered from the air guide channel 132.
The above description is only the embodiments of the present invention, and the scope of protection is not limited thereto. The insubstantial changes or substitutions will now be made by those skilled in the art based on the teachings of the present invention, which fall within the scope of the claims.
Claims (10)
1. The utility model provides a thermal spraying equipment, includes spraying storehouse (1), be equipped with spray gun (11) that are used for carrying out the spraying to the target in spraying storehouse (1), including dust collector (2), dust collector (2) have air inlet (211), be equipped with dust removal mouth (12) on spraying storehouse (1), air inlet (211) of dust collector (2) are linked together to dust removal mouth (12), its characterized in that is equipped with gas mechanism (13) on spraying storehouse (1), and gas is sent out spray gun (11) department along the injection direction of spray gun (11) to gas mechanism (13) introduction.
2. A thermal spray apparatus as claimed in claim 1, characterised in that the dust removal device (2) has a gas outlet (212) which communicates with the gas inlet means (13), the dust removal device (2) delivering gas to the gas inlet means (13) via the gas outlet (212).
3. The thermal spraying apparatus according to claim 1, wherein the gas inlet mechanism (13) comprises a first gas inlet pipe (131) and a wind guide channel (132), the rear end of the first gas inlet pipe (131) is communicated with the gas outlet (212) of the dust removing device (2), the first gas inlet pipe (131) conveys the gas to the wind guide channel (132), and the wind guide channel (132) guides the gas to be sent out to the spray gun (11) along the spraying direction of the spray gun.
4. A thermal spraying apparatus according to claim 3, wherein the spray gun (11) is adapted to discharge a three-dimensional spiral flame flow, the front end of the first air inlet pipe (131) outputs air in a circumferential direction of the rear end of the air guide passage (132), and the air is circularly circulated along the inner wall of the air guide passage (132) to form a spiral air flow in the air guide passage (132) and is discharged to the spray gun (11).
5. Thermal spraying apparatus according to claim 4, characterised in that the front end of the first gas inlet pipe (131) outputs gas obliquely, in particular towards the front end of the air guiding channel (132) and towards the circumferential direction of the rear port of the air guiding channel (132).
6. Thermal spraying apparatus as claimed in claim 5, characterised in that the air-guiding passage (132) narrows from rear to front.
7. Thermal spraying apparatus as claimed in claim 4, characterised in that the air-guiding passage (132) is annular in cross-section.
8. The thermal spraying equipment according to any one of claims 1 to 7, characterized in that the spraying bin (1) is in a horizontal long cylinder shape, the dust removal port (12) is arranged at the waist of the side wall of the cylinder, the gas inlet mechanism (13) is arranged at the waist of the side wall of the cylinder opposite to the dust removal port (12), the spray gun and the gas inlet mechanism (13) are both aligned to the dust removal port (12), the two ends of the cylinder of the spraying bin (1) are respectively provided with a second gas inlet (14) and a third gas inlet (15) which are communicated with the gas outlet (212) of the dust removal device (2), and the flow rate of gas sent out by the gas inlet mechanism (13) is greater than that of the second gas inlet (14) and that of the third gas inlet (15).
9. Thermal spraying apparatus according to claim 8, characterised in that the second and third gas inlets (14, 15) are provided at respective ends of the barrel side wall.
10. The thermal spraying equipment as claimed in claim 1, characterized in that the waist of the spraying chamber (1) has a vertically arranged middle cavity, the gas inlet mechanism (13) is arranged at the top end of the middle cavity, the dust removal port (12) is arranged at the bottom end of the middle cavity, the spray gun (11) is arranged in the middle cavity and positioned between the gas inlet mechanism (13) and the dust removal port (12), and the spray head faces downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122993855.7U CN216378348U (en) | 2021-11-30 | 2021-11-30 | Thermal spraying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122993855.7U CN216378348U (en) | 2021-11-30 | 2021-11-30 | Thermal spraying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216378348U true CN216378348U (en) | 2022-04-26 |
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ID=81220262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122993855.7U Active CN216378348U (en) | 2021-11-30 | 2021-11-30 | Thermal spraying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216378348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262860A (en) * | 2021-11-30 | 2022-04-01 | 广州市尤特新材料有限公司 | Thermal spraying equipment |
-
2021
- 2021-11-30 CN CN202122993855.7U patent/CN216378348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262860A (en) * | 2021-11-30 | 2022-04-01 | 广州市尤特新材料有限公司 | Thermal spraying equipment |
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