CN217450599U - Supersonic speed spray gun - Google Patents
Supersonic speed spray gun Download PDFInfo
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- CN217450599U CN217450599U CN202221516824.0U CN202221516824U CN217450599U CN 217450599 U CN217450599 U CN 217450599U CN 202221516824 U CN202221516824 U CN 202221516824U CN 217450599 U CN217450599 U CN 217450599U
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Abstract
The utility model discloses a supersonic spray gun, which comprises a gun body, a connecting seat, a gun seat, a combustion chamber and a gun tail, wherein the right end of the gun body is connected and locked with the left end of the connecting seat, a powder inlet is arranged on the connecting seat, the right end of the connecting seat is connected and locked with the left end of the gun seat, the right end of the gun seat is connected and locked with the gun tail, and the combustion chamber is fixedly arranged in the gun seat; the burner is characterized in that a first channel arranged in the middle of the burner body is communicated with the left end of a second channel arranged in the middle of the connecting seat, a powder inlet is communicated with the second channel, an outlet at the left end of the combustion chamber is connected with the right end of the second channel of the connecting seat, an inlet at the right end of the combustion chamber is communicated with a third channel arranged in the middle of the burner tail, and the burner tail is provided with a spark plug which is connected with the combustion chamber. The utility model discloses a first ring packing and second ring packing make between the rifle body and the connecting seat, sealing connection between connecting seat and the stock, have solved the problem of leaking that current spray gun leads to because of the structure is unreasonable, simple structure, long service life.
Description
Technical Field
The utility model relates to a supersonic speed spray gun.
Background
With the development of modern industry, industrial equipment is increasingly required to stably operate for a long time under various severe working conditions (such as severe abrasion and corrosion), and the thermal spraying process is an important technology for ensuring that vulnerable parts of the equipment can stably operate under the severe working conditions.
The spray gun is an important device of a thermal spraying process, as shown in fig. 1, the existing spray gun structure comprises 11 components, namely a connecting seat 1, a gun seat 2, a combustion chamber 3, a gun tail 4, a first nut 5, a second nut 7, a third nut 8, a gun barrel 11, a gun barrel inner sleeve 12, a gun barrel outer sleeve 13 and a water passing seat 14, the connecting seat 1, the combustion chamber 3 and the gun tail 4 are screwed and fixed on the gun seat 2 by the second nut 7 and the third nut 8, the gun barrel 11, the water passing seat 14, the gun barrel inner sleeve 12 and the gun barrel outer sleeve 13 are screwed and fixed on the connecting seat 1 by the first nut 5, and after the 11 components are connected into a whole, the contact surfaces of the gun barrel 11, the connecting seat 1, the combustion chamber 3 and the gun tail 4 are required to be tightly screwed and tightly attached. However, the sealing structure of the existing spray gun is unreasonable in design, the sealing of high-pressure cooling water between the connecting seat 1 and the gun seat 2 and the sealing of high-pressure cooling water between the connecting seat 1 and the water passing seat 14 adopt radial sealing, the axial assembly size is limited due to the limitation of the axial compression amount of the sealing ring, so that the assembly contradiction is generated, the water leakage is easy to occur during the use, the flame of the spray gun is not concentrated, the inner channel of the spray gun is easy to block and seriously worn, the gun barrel needs to be replaced within 10 hours, and the service lives of other accessories in the spray gun cannot meet the requirements of specifications.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a simple structure, long service life's supersonic speed spray gun.
The utility model provides a technical scheme of above-mentioned technical problem is: a supersonic speed spray gun comprises a gun body, a connecting seat, a gun seat, a combustion chamber and a gun tail, wherein the right end of the gun body is connected with the left end of the connecting seat, the connection position of the right end of the gun body and the left end of the connecting seat is locked through a first nut, a powder inlet is formed in the connecting seat, the right end of the connecting seat is connected with the left end of the gun seat, the connection position of the right end of the connecting seat and the left end of the gun seat is locked through a second nut, the right end of the gun seat and the right end of the gun tail are connected, the connection position of the right end of the gun seat and the gun tail is locked through a third nut, and the combustion chamber is fixedly arranged in the gun seat; the gun is characterized in that a first channel arranged in the middle of the gun body is communicated with the left end of a second channel arranged in the middle of the connecting seat, a powder inlet is communicated with the second channel, an outlet at the left end of the combustion chamber is connected with the right end of the second channel of the connecting seat, an inlet at the right end of the combustion chamber is communicated with a third channel arranged in the middle of the gun tail, and a spark plug is arranged on the gun tail and connected with the combustion chamber.
The supersonic spray gun comprises a gun body, a gun barrel inner sleeve, a gun barrel outer sleeve and a water passing seat, wherein the gun barrel, the gun barrel inner sleeve and the gun barrel outer sleeve are sequentially sleeved from inside to outside, the left ends of the gun barrel, the gun barrel and the gun barrel outer sleeve are flush, a first cavity is formed between the gun barrel and the gun barrel inner sleeve, a second cavity is formed between the gun barrel inner sleeve and the gun barrel outer sleeve, the right end of the gun barrel is connected with the left end of a connecting seat as a first channel, the water passing seat is sleeved outside the right end of the gun barrel, a first water through hole is formed in the inner side of the water passing seat, the right end of the inner side of the water passing seat is tightly propped against the left end of the connecting seat, the left end of the outer side of the water passing seat is tightly propped against the right end of the connecting seat, a first transverse through hole is formed in the connecting seat, a second transverse through hole is formed in the position, which is positioned outside the first transverse through hole, on the connecting seat, leave the cavity of intaking between the stock inside and the combustion chamber, it has the cavity of giving out water to open on the stock outer wall, the first transverse through hole on the first limbers, barrel and the barrel endotheca of intaking between the stock inside and the combustion chamber, the connecting seat, the first cavity between barrel and the barrel endotheca of water seat lower part communicate in proper order and form the passageway of intaking, the second cavity between barrel endotheca and the barrel overcoat, the second limbers on water seat upper portion, the second transverse through hole on the connecting seat, the cavity of giving out water on the stock outer wall connect in proper order and form the passageway of giving out water, are linked together through the through-hole on the barrel endotheca between passageway of intaking and the passageway of giving out water to form water-cooling circuit.
Above-mentioned supersonic spray gun, barrel overcoat left end inboard is equipped with the first annular arch that is used for pushing up barrel overcoat left end tightly, and barrel overcoat right-hand member outside is equipped with the second annular arch, and the protruding right-hand member of second annular is with to cross the protruding left end top in water base outside tightly, first nut left end inboard is equipped with the third annular arch that is used for pushing up the protruding left end of second annular of tight barrel overcoat, crosses the water base outside and is equipped with first external screw thread with the connecting seat left end outside, first nut inboard be equipped with first external screw thread assorted first internal thread.
According to the supersonic speed spray gun, the position, located on the first internal thread, of the inner side of the first nut is provided with two first annular grooves, first annular sealing rings are arranged in the first annular grooves, and the two first annular sealing rings are located on the outer side of the water passing seat and the outer side of the left end of the connecting seat respectively.
Above-mentioned supersonic speed spray gun, between barrel left end and the barrel endotheca left end, between barrel right-hand member and the connecting seat left end, between barrel endotheca left end and the barrel overcoat left end, between barrel endotheca right-hand member and the inboard left end of water seat, between barrel overcoat right-hand member and the outside left end of water seat all sealing connection.
According to the supersonic speed spray gun, the second annular groove is formed in the outer side of the right end of the connecting seat, the second annular sealing ring is arranged in the second annular groove, and the right end of the connecting seat is in sealing connection with the left end of the gun seat through the second annular sealing ring.
According to the supersonic speed spray gun, the left end of the combustion chamber is connected with the right end of the connecting seat, the left end of the gun tail is connected with the right end of the combustion chamber, and the gun tail is connected with the gun seat in a sealing manner.
The beneficial effects of the utility model reside in that: the utility model discloses it has two first ring channels to be located first internal screw thread position department to open in first nut inboard, be equipped with first ring channel in the first ring channel, the connecting seat right-hand member outside is equipped with the second ring channel, be equipped with second ring channel in the second ring channel, make between rifle body and the connecting seat, axial sealing connection between connecting seat and the rifle seat through first ring channel and second ring channel, solved current spray gun because of the unreasonable problem of leaking that leads to of structure, moreover, the steam generator is simple in structure, and long service life.
Drawings
Fig. 1 is a schematic structural view of a conventional spray gun.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is an enlarged view of the gun body of fig. 2.
Fig. 4 is an enlarged view of the structure of the water passing seat in fig. 3.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 2-4, a supersonic speed spray gun comprises a gun body, a connecting seat 1, a gun seat 2, a combustion chamber 3 and a gun tail 4, wherein the right end of the gun body is connected with the left end of the connecting seat 1 and the connection position is locked by a first nut 5, a powder inlet 6 is arranged on the connecting seat 1, the right end of the connecting seat 1 is connected with the left end of the gun seat 2 and the connection position is locked by a second nut 7, the right end of the gun seat 2 is connected with the gun tail 4 and the connection position is locked by a third nut 8, and the combustion chamber 3 is fixedly arranged in the gun seat 2; the first channel 28 arranged in the middle of the gun body is communicated with the left end of the second channel 9 arranged in the middle of the connecting seat 1, the powder inlet 6 is communicated with the second channel 9, the outlet at the left end of the combustion chamber 3 is connected with the right end of the second channel 9 of the connecting seat 1, the outlet at the left end of the combustion chamber 3 is a Laval nozzle, the inlet at the right end of the combustion chamber 3 is communicated with the third channel 10 arranged in the middle of the gun tail 4, the spark plug 29 is arranged on the gun tail 4, and the spark plug 29 is connected with the combustion chamber 3.
The gun body comprises a gun barrel 11, a gun barrel inner sleeve 12, a gun barrel outer sleeve 13 and a water passing seat 14, the gun barrel 11, the gun barrel inner sleeve 12 and the gun barrel outer sleeve 13 are sequentially sleeved from inside to outside, the left ends of the gun barrel 11 and the gun barrel inner sleeve 12 are flush, a first cavity 15 is formed between the gun barrel 11 and the gun barrel inner sleeve 12, a second cavity 16 is formed between the gun barrel inner sleeve 12 and the gun barrel outer sleeve 13, the inner cavity of the gun barrel 11 is used as a first channel 28, the right end of the gun barrel 11 is connected with the left end of a connecting seat 1, the water passing seat 14 is sleeved outside the right end of the gun barrel 11, a first water through hole 17 is formed inside the water passing seat 14, the right end inside the water passing seat 14 is tightly propped against the left end of the connecting seat 1, the left end inside the water passing seat 14 is tightly propped against the gun barrel inner sleeve 12, a second water through hole 18 is formed outside the water passing seat 14, the right end outside the water passing seat is tightly propped against the connecting seat 1, the left end of the water passing seat 14 is tightly propped against the right end of the connecting seat 13, a first transverse through hole 19 is formed on the connecting seat 1, a second transverse through hole 20 is arranged on the connecting seat 1 at the position outside the first transverse through hole 19, a water inlet cavity 21 is reserved between the interior of the gun seat 2 and the combustion chamber 3, a water outlet cavity 22 is arranged on the outer wall of the gun seat 2, a water inlet cavity 21 between the interior of the gun seat 2 and the combustion chamber 3, a first transverse through hole 19 on the connecting seat 1, a first water through hole 17 at the lower part of the water passing seat 14, and a first cavity 15 between the gun barrel 11 and the gun barrel inner sleeve 12 are communicated in sequence to form a water inlet channel, and a second cavity 16 between the barrel inner sleeve 12 and the barrel outer sleeve 13, a second water through hole 18 at the upper part of the water passing seat 14, a second transverse through hole 20 on the connecting seat 1 and a water outlet cavity 22 on the outer wall of the gun seat 2 are sequentially connected to form a water outlet channel, and the water inlet channel is communicated with the water outlet channel through a through hole on the barrel inner sleeve 12, so that a water cooling loop is formed to cool the whole spray gun.
The barrel 13 left end inboard is equipped with the first annular arch 23 that is used for pushing up the 12 left ends of tight barrel endotheca, and the barrel 13 right-hand member outside is equipped with second annular arch 24, and the protruding 24 right-hand members of second annular are tight with the 14 outside left ends top of cross water seat, 5 left end inboard of first nut is equipped with the third annular arch 25 that is used for pushing up the protruding 24 left ends of second annular of tight barrel overcoat 13, crosses the water seat 14 outside and is equipped with first external screw thread in the 1 left end outside of connecting seat, and 5 inboards of first nut are equipped with first internal screw thread with first external screw thread assorted.
Two first annular grooves are formed in the position, located on the first internal thread, of the inner side of the first nut 5, first annular sealing rings 26 are arranged in the first annular grooves, and the two first annular sealing rings 26 are located on the outer side of the water passing seat 14 and the outer side of the left end of the connecting seat 1 respectively.
And a second annular groove is formed in the outer side of the right end of the connecting seat 1, a second annular sealing ring 27 is arranged in the second annular groove, and the right end of the connecting seat 1 and the left end of the gun seat 2 are in sealing connection through the second annular sealing ring 27.
Between 11 left ends of barrel and the 12 left ends of barrel endotheca, between 11 right-hand members of barrel and the 1 left end of connecting seat, between 12 left ends of barrel endotheca and the 13 left ends of barrel overcoat, between 12 right-hand members of barrel endotheca and the 14 inboard left ends of water passing seat, between 13 right-hand members of barrel overcoat and the 14 outside left ends of water passing seat, between 3 left ends of combustion chamber and the 1 right-hand member of connecting seat, between 4 left ends of rifle tail and the 3 right-hand members of combustion chamber, all sealing connection between 4 rifle tail and rifle seat 2.
The utility model discloses a theory of operation does: aviation kerosene and high-pressure oxygen enter the combustion chamber 3 from a third channel 10 of the gun tail 4, are ignited by the spark plug 29 to generate high-temperature and high-pressure gas, the high-temperature and high-pressure gas enters the second channel 9 of the connecting seat 1 after passing through a Laval nozzle at the left end of the combustion chamber 3, then are sprayed outwards at a speed of 2000 meters per second after passing through the first channel 28 in the middle of the gun body, and meanwhile, metal powder enters the second channel 9 from the powder inlet 6 of the connecting seat 1, is melted under the action of the high-temperature and high-pressure gas, and is sprayed to the surface of a workpiece in a molten state. Because the temperature of the gas of combustion and explosion in the combustion chamber 3 is up to 3000 ℃, the outer surface of the combustion gas channel part must be cooled by forced high-pressure water, the high-pressure cooling water flows through a water inlet cavity 21 between the interior of the gun seat 2 and the combustion chamber 3 in the water inlet channel, a first transverse through hole 19 on the connecting seat 1, a first water through hole 17 at the lower part of the water passing seat 14, a first cavity 15 between the gun barrel 11 and the gun barrel inner sleeve 12, then flows through a second cavity 16 between the gun barrel inner sleeve 12 and the gun barrel outer sleeve 13 in the water outlet channel, a second water through hole 18 at the upper part of the water passing seat 14, a second transverse through hole 20 on the connecting seat 1 and a water outlet cavity 22 on the outer wall of the gun seat 2 through a through hole on the gun barrel inner sleeve 12, thereby forming a water cooling loop and cooling the whole spray gun.
Claims (7)
1. A supersonic spray gun is characterized in that: the powder injection gun comprises a gun body, a connecting seat, a gun seat, a combustion chamber and a gun tail, wherein the right end of the gun body is connected with the left end of the connecting seat, the connection part of the right end of the gun body and the left end of the connecting seat is locked through a first nut, a powder inlet is formed in the connecting seat, the right end of the connecting seat is connected with the left end of the gun seat, the connection part of the right end of the connecting seat and the left end of the gun seat is locked through a second nut, the right end of the gun seat and the right end of the gun tail are connected, the connection part of the right end of the gun seat and the gun tail is locked through a third nut, and the combustion chamber is fixedly arranged in the gun seat; the gun is characterized in that a first channel arranged in the middle of the gun body is communicated with the left end of a second channel arranged in the middle of the connecting seat, a powder inlet is communicated with the second channel, an outlet at the left end of the combustion chamber is connected with the right end of the second channel of the connecting seat, an inlet at the right end of the combustion chamber is communicated with a third channel arranged in the middle of the gun tail, and a spark plug is arranged on the gun tail and connected with the combustion chamber.
2. The supersonic lance of claim 1, wherein: the gun body comprises a gun barrel, a gun barrel inner sleeve, a gun barrel outer sleeve and a water passing seat, the gun barrel inner sleeve and the gun barrel outer sleeve are sequentially sleeved from inside to outside, the left ends of the gun barrel, the gun barrel and the gun barrel inner sleeve are flush, a first cavity is formed between the gun barrel and the gun barrel inner sleeve, a second cavity is formed between the gun barrel inner sleeve and the gun barrel outer sleeve, the inner cavity of the gun barrel is used as a first channel, the right end of the gun barrel is connected with the left end of a connecting seat, the water passing seat is sleeved outside the right end of the gun barrel, a first water through hole is formed in the inner side of the water passing seat and tightly propped against the left end of the connecting seat, the left end of the inner side of the water passing seat and tightly propped against the right end of the connecting seat, a first transverse through hole is formed in the connecting seat, a second transverse through hole is formed in the position, which is positioned outside the first transverse through hole, in the connecting seat, leave the cavity of intaking between the stock inside and the combustion chamber, it has the cavity of giving out water to open on the stock outer wall, the first transverse through hole on the first limbers, barrel and the barrel endotheca of intaking between the stock inside and the combustion chamber, the connecting seat, the first cavity between barrel and the barrel endotheca of water seat lower part communicate in proper order and form the passageway of intaking, the second cavity between barrel endotheca and the barrel overcoat, the second limbers on water seat upper portion, the second transverse through hole on the connecting seat, the cavity of giving out water on the stock outer wall connect in proper order and form the passageway of giving out water, are linked together through the through-hole on the barrel endotheca between passageway of intaking and the passageway of giving out water to form water-cooling circuit.
3. The supersonic lance of claim 2, wherein: barrel overcoat left end inboard is equipped with the first annular arch that is used for pushing up the tight barrel overcoat left end, and barrel overcoat right-hand member outside is equipped with the second annular arch, and the protruding right-hand member of second annular is tight with the top of crossing the water seat outside left end, first nut left end inboard is equipped with the third annular arch that is used for pushing up the tight barrel overcoat second annular arch left end, crosses the water seat outside and the connecting seat left end outside is equipped with first external screw thread, and first nut inboard is equipped with first external screw thread assorted first internal thread.
4. A supersonic lance according to claim 3, wherein: two first annular grooves are formed in the position, located on the first internal thread, of the inner side of the first nut, first annular sealing rings are arranged in the first annular grooves, and the two first annular sealing rings are located on the outer side of the water passing seat and the outer side of the left end of the connecting seat respectively.
5. The supersonic lance of claim 4, wherein: the gun barrel is characterized in that the gun barrel left end and the gun barrel inner sleeve left end, the gun barrel right end and the connecting seat left end, the gun barrel inner sleeve left end and the gun barrel outer sleeve left end, the gun barrel inner sleeve right end and the water passing seat inner side left end, and the gun barrel outer sleeve right end and the water passing seat outer side left end are connected in a sealing mode.
6. A supersonic lance according to claim 3, wherein: and a second annular groove is formed in the outer side of the right end of the connecting seat, a second annular sealing ring is arranged in the second annular groove, and the right end of the connecting seat and the left end of the gun seat are in sealing connection through the second annular sealing ring.
7. A supersonic lance according to claim 3, wherein: the left end of the combustion chamber is connected with the right end of the connecting seat, the left end of the gun tail is connected with the right end of the combustion chamber, and the gun tail is connected with the gun seat in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221516824.0U CN217450599U (en) | 2022-06-17 | 2022-06-17 | Supersonic speed spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221516824.0U CN217450599U (en) | 2022-06-17 | 2022-06-17 | Supersonic speed spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217450599U true CN217450599U (en) | 2022-09-20 |
Family
ID=83237491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221516824.0U Active CN217450599U (en) | 2022-06-17 | 2022-06-17 | Supersonic speed spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217450599U (en) |
-
2022
- 2022-06-17 CN CN202221516824.0U patent/CN217450599U/en active Active
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