CN202045041U - Spray-in and anticorrosion straight spray gun of small-bore pipeline - Google Patents
Spray-in and anticorrosion straight spray gun of small-bore pipeline Download PDFInfo
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- CN202045041U CN202045041U CN2011200922326U CN201120092232U CN202045041U CN 202045041 U CN202045041 U CN 202045041U CN 2011200922326 U CN2011200922326 U CN 2011200922326U CN 201120092232 U CN201120092232 U CN 201120092232U CN 202045041 U CN202045041 U CN 202045041U
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Abstract
The utility model relates to a spray gun, and belongs to the technical field of a spraying equipment structure. A spray-in and anticorrosion straight spray gun of a small-bore pipeline is characterized in that: the spray gun consists of a gun barrel and a gun body, wherein the gun barrel is arranged in the middle of the gun; the gun body consists of a material connecting disc and a supporting bracket which are connected with the two ends of the gun barrel; one end of the gun body is provided with a spraying area, and the other end of the gun body is connected with a material supply device and a gas supply device outside respectively; a pneumatic execution member is arranged in the gun barrel; and the internal pneumatic execution member driven by the external gas supply device controls the action of the spraying area of the gun body. The spray-in and anticorrosion straight spray gun overcomes the defect that the handheld gun spray in the prior art cannot perform the internal spray operation. With the adoption the working manner of the forward direct injection, the spray gun is applicable to the spray for the small-bore pipe, so that the range of the spraying diameter reaches phi 60mm to phi 219mm, wherein four serial boosting air cylinders in the gun barrel can completely solve the problem of the switching pressure of the spray gun. An adjusting screw on a rear cover in the gun barrel can completely eliminate the influence of the process deviation to the spray gun simultaneously; and the adjusting screw can adjust the size of the hollow spray angle at a nozzle.
Description
Technical field
The utility model relates to spray gun, and particularly a kind of anticorrosion straight spray gun of interior spray that is applicable to small-bore pipeline belongs to the spraying equipment technical field of structures.
Background technology
The spraying of polyureas anti-corrosion pipeline at present, what all adopt is hand-held spray guns, but the minimum of present existing hand-held spray guns spraying diameter only can be accomplished φ 219mm, and less than the pipeline of φ 219mm bore because of being subjected to the restriction of spray gun structure, can't finish.
Summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, a kind of diameter anticorrosion straight spray gun of spray in φ 60mm-φ 219mm scope interior conduit small-bore that can be used for spraying is provided, this spray gun designs at small-bore pipeline, reasonable in design, use efficient and convenient, time saving and energy saving.
The utility model is achieved through the following technical solutions:
The anticorrosion straight spray gun of spray in a kind of small-bore pipeline, its special character is to comprise by the gun barrel 9 of centre, the material terminal pad 13 of its two ends connection and the rifle body that carriage 3 constitutes jointly, one end of rifle body 1 is an inlet zone, the other end is connected with feeder with the feeding device of inlet channel with the outside by its inner set feeding pipe respectively, the inside of gun barrel 9 has the pneumatic executive item with outside feeder interlock simultaneously, drives the action of inner pneumatic executive item control rifle body inlet zone by outside feeder;
Described gun barrel 9 comprises a hollow cavity 9-1 who axially runs through cylindrical shell, two material cavity 9-3 and two gas circuit cavities, wherein offer through hole respectively between two gas circuit cavities and the hollow cavity 9-1, the two ends of hollow cavity 9-1 are provided with protecgulum 5 and bonnet 12 seals;
Described pneumatic executive item is arranged at gun barrel 9 inside, comprise piston rod 10, piston 6, piston spacer 7 and spacer block 8 in the cavity 9-1, described piston 6 is sheathed on the periphery of piston rod 10, the front end of piston rod 10 passes protecgulum 5 and fixedlys connected with the rifle pin adapter sleeve 18 that has rifle pin 20, end is fixedlyed connected with piston 6, be arranged with piston spacer 7 on the piston rod 10 between the two-piston 6, the periphery of piston spacer 7 is provided with the spacer block 8 that hollow cavity 9-1 is divided into ante-chamber A and back cavity B;
The feeding pipe of described rifle body comprises and is arranged on the gun barrel 9 two material cavity 9-3 axially connecting, is arranged on two feeding-passage 13-1 on the material terminal pad 13 and is located at two tapping channel 3-1 on the carriage 3, above-mentioned material cavity 9-3, feeding-passage 13-1 and the port of tapping channel 3-1 are corresponding relation when its appended main body interconnects, formed two feeding pipes of rifle body jointly;
Described inlet channel comprises two inlet channels that are arranged on the material terminal pad 13, be arranged on two gas circuit cavities that axially connect on the gun barrel 9, be opened in through hole on the gun barrel 9 and ante-chamber A and the back cavity B of cavity 9-1, wherein two inlet channels are divided into unlatching inlet channel 13-2A, closed inlet channel 13-2B, two gas circuit cavities are divided into opens gas circuit cavity 9-2A, closed gas circuit cavity 9-2B, through hole is divided into ante-chamber through hole 9-4A and back cavity through hole 9-4B, described unlatching inlet channel 13-2A and unlatching gas circuit cavity 9-2A, ante-chamber through hole 9-4A and ante-chamber A have formed jointly and have been used to control the unlatching inlet channel that spray gun is opened; Described closed inlet channel 13-2B and closed gas circuit cavity 9-2B, back cavity through hole 9-4B and back cavity B have formed the closed inlet channel that is used to control the spray gun closure jointly;
Described inlet zone is provided with carriage 3, the one end is connected with gun barrel 9, the other end removably connects with the rifle mouth clamping cap 2 of the mouth 1 that carries a gun, offer the central through hole that is used to hold the rifle pin 20 that piston rod 10 driven on the carriage 3, be provided with the mixing of materials chamber 21 that has feeding mouth 21-1 in the described central through hole, described feeding mouth 21-1 and carriage 3 set tapping channel 3-1 engage, one end of mixing of materials chamber 21 relies on rifle mouth clamping cap 2, the other end is fixedlyed connected with the rifle pin ejector sleeve 19 on being mounted on carriage 3, and described mixing chamber 21 and rifle nail ejector sleeve 19 are equipped with the through hole that is used to hold rifle pin 20;
The syringe needle of described rifle pin 20 and the corresponding setting of joint between the rifle mouth 1, when mutually combining, the two is the slitless connection state, rifle pin 20 peripheries closely cooperate again and between 21 inwalls of mixing of materials chamber simultaneously, when this fit system is finished a spraying operation at spray gun, can better clear up the residual material that is present in the mixing of materials chamber 21, be beneficial to the maintenance of spray gun more, prolonged the mixing chamber service life of spray gun accordingly;
Described rifle body is connected with outside feeder and is meant that unlatching on the material terminal pad is pneumatic inserts 24 and closedly pneumaticly insert 25 and be connected with the feeder of outside soon soon by being installed on;
Described rifle body is connected with the feeding device of outside and is meant that the filter by being installed on the material terminal pad is connected with the feeding device of outside; When outside feeding device begins feed, material at first then enters in the gun barrel 9 by two feeding-passage 13-1 of material terminal pad 13 through the filtration of filter again, is admitted to the mixing jetting district of carriage 3 at last by two material cavity 9-3 of gun barrel 9 inside;
Described filter comprises that having the filtration rack that filters rack 15 overlaps 17, filters rack 15 and is provided with screen pack 16, filters rack 15 and is provided with check valve 14 with the junction of expecting terminal pad 13;
The quantity that is provided with of piston 6, piston spacer 7 and spacer block 8 in the quantity of described ante-chamber through hole 9-4A, back cavity through hole 9-4B and the cavity 9-1 is matching relationship, and its span is 3-N; The size of described N is set according to the length and the actual pressure needs of gun barrel 9;
The influence that this rifle body is brought for fear of fabrication error, described bonnet 12 is provided with the axially movable adjustment nail 11 of rotation control, adjust the length of nail 11 by control, can effectively control the extension elongation of rifle pin 20, thereby the vaporific size of control spraying can also reach the effect of adjusting precision simultaneously.
Operation principle of the present utility model is as follows:
What the anticorrosion straight spray gun of small-bore interior spray of the present utility model adopted is that cylinder piston rod drive rifle pin moves the keying that realizes the mixing chamber discharging opening, because the power that Switch of spray pistol needs is very big, and original hand-held spray guns can not be carried out interior spray operation, therefore, the utility model has adopted series connection reinforcement cylinder to solve the problem of Switch of spray pistol, adopted the working method of straight spray forward simultaneously, made the steel pipe minimum diameter that can spray reach φ 60mm.
Compressed air is by opening gas with being inserted into the piston ante-chamber soon, the rifle pin adapter sleeve and the rifle pin that drive the piston rod connection by piston move backward, open two discharging openings of mixing chamber this moment, make the raw material of two components enter mixing chamber and carry out high pressure mixing, then from the rounded hollow vaporific ejection of nozzle, spray gun rectilinear motion backward in the steel pipe of needs sprayings, steel pipe rotates, and requires to adjust the load of straight-line speed and equipment according to coating thickness.Compressed air is driven rifle pin adapter sleeve that piston rod connects and rifle pin and moves forward and close mixing chamber two discharging openings and contact the residue of clearing up simultaneously in the mixing chamber up to the rifle needle section with the rifle mouth with being inserted into the piston back cavity soon by closed gas, so far finishes spraying operation one time.
The anticorrosion straight spray gun of spray in a kind of small-bore pipeline of the present utility model, solved the defective that pistol of the prior art can not carry out interior spray operation, and adopted the working method of straight spray forward, more be applicable to the spraying of small-bore pipeline, make its spraying diameter range reach φ 60mm-φ 219mm, wherein the interior set series connection reinforcement cylinder of gun barrel can fully solve the problem of Switch of spray pistol pressure, adjustment nail in the gun barrel on the bonnet can fully solve the influence that process deviation brings this spray gun, adjusts simultaneously and follows closely the adjusting that can also realize the hollow spray angle size in nozzle place.
Description of drawings
The anticorrosion straight spray gun air inlet pipeline structural representation of spray in 1 one kinds of small-bore pipelines of Fig. 1: embodiment;
The anticorrosion straight spray gun feed passageway structural representation of spray in 1 one kinds of small-bore pipelines of Fig. 2: embodiment;
Fig. 3: the anticorrosion straight spray gun mixing chamber structural representation of spray in a kind of small-bore pipeline.
The specific embodiment
Below in conjunction with accompanying drawing, provide the specific embodiment of the present utility model, be used for the utility model is further described.
The anticorrosion straight spray gun of spray in a kind of small-bore pipeline, comprise by the gun barrel 9 of centre, the material terminal pad 13 of its two ends connection and the rifle body that carriage 3 constitutes jointly, one end of rifle body 1 is an inlet zone, the other end is connected with feeder with the feeding device of inlet channel with the outside by its inner set feeding pipe respectively, the inside of gun barrel 9 has the pneumatic executive item with outside feeder interlock simultaneously, drives the action of inner pneumatic executive item control rifle body inlet zone by outside feeder; Gun barrel 9 comprises a hollow cavity 9-1 who axially runs through cylindrical shell, two material cavity 9-3 and two gas circuit cavities, wherein offer through hole respectively between two gas circuit cavities and the hollow cavity 9-1, the two ends of hollow cavity 9-1 are provided with protecgulum 5 and bonnet 12 seals; Pneumatic executive item is arranged at gun barrel 9 inside, comprise piston rod 10, piston 6, piston spacer 7 and spacer block 8 in the cavity 9-1, described piston 6 is sheathed on the periphery of piston rod 10, the front end of piston rod 10 passes protecgulum 5 and fixedlys connected with the rifle pin adapter sleeve 18 that has rifle pin 20, end is fixedlyed connected with piston 6, be arranged with piston spacer 7 on the piston rod 10 between the two-piston 6, the periphery of piston spacer 7 is provided with the spacer block 8 that hollow cavity 9-1 is divided into ante-chamber A and back cavity B; The feeding pipe of rifle body comprises and is arranged on the gun barrel 9 two material cavity 9-3 axially connecting, is arranged on two feeding-passage 13-1 on the material terminal pad 13 and is located at two tapping channel 3-1 on the carriage 3, above-mentioned material cavity 9-2, feeding-passage 13-1 and the port of tapping channel 3-1 are corresponding relation when its appended main body interconnects, formed two feeding pipes of rifle body jointly; Inlet channel comprises two inlet channels that are arranged on the material terminal pad 13, be arranged on two gas circuit cavities that axially connect on the gun barrel 9, be opened in through hole on the gun barrel 9 and ante-chamber A and the back cavity B of cavity 9-1, wherein two inlet channels are divided into unlatching inlet channel 13-2A, closed inlet channel 13-2B, two gas circuit cavities are divided into opens gas circuit cavity 9-2A, closed gas circuit cavity 9-2B, through hole is divided into ante-chamber through hole 9-4A and back cavity through hole 9-4B, described unlatching inlet channel 13-2A and unlatching gas circuit cavity 9-2A, ante-chamber through hole 9-4A and ante-chamber A have formed jointly and have been used to control the unlatching inlet channel that spray gun is opened; Described closed inlet channel 13-2B and closed gas circuit cavity 9-2B, back cavity through hole 9-4B and back cavity B have formed the closed inlet channel that is used to control the spray gun closure jointly; Inlet zone is provided with carriage 3, the one end is connected with gun barrel 9, the other end removably connects with the rifle mouth clamping cap 2 of the mouth 1 that carries a gun, offer the central through hole that is used to hold the rifle pin 20 that piston rod 10 driven on the carriage 3, be provided with the mixing of materials chamber 21 that has feeding mouth 21-1 in the described central through hole, described feeding mouth 21-1 and carriage 3 set tapping channel 3-1 engage, one end of mixing of materials chamber 21 relies on rifle mouth clamping cap 2, the other end is fixedlyed connected with the rifle pin ejector sleeve 19 on being mounted on carriage 3, and described mixing chamber 21 and rifle nail ejector sleeve 19 are equipped with the through hole that is used to hold rifle pin 20; The syringe needle of rifle pin 20 and the corresponding setting of joint between the rifle mouth 1, when mutually combining, the two is the slitless connection state, rifle pin 20 peripheries closely cooperate again and between 21 inwalls of mixing of materials chamber simultaneously, when this fit system is finished a spraying operation at spray gun, can better clear up the residual material that is present in the mixing of materials chamber 21, be beneficial to the maintenance of spray gun more, prolonged the mixing chamber service life of spray gun accordingly; The rifle body is connected with outside feeder and is meant that unlatching on the material terminal pad is pneumatic inserts 24 and closedly pneumaticly insert 25 and be connected with the feeder of outside soon soon by being installed on; The rifle body is connected with the feeding device of outside and is meant that the filter by being installed on the material terminal pad is connected with the feeding device of outside; When outside feeding device begins feed, material at first then enters in the gun barrel 9 by two feeding-passage 13-1 of material terminal pad 13 through the filtration of filter again, is admitted to the mixing jetting district of carriage 3 at last by two material cavity 9-3 of gun barrel 9 inside; Filter comprises that having the filtration rack that filters rack 15 overlaps 17, filters rack 15 and is provided with screen pack 16, filters rack 15 and is provided with check valve 14 with the junction of expecting terminal pad 13; The quantity that is provided with of piston 6, piston spacer 7 and spacer block 8 in the quantity of ante-chamber through hole 9-4A, back cavity through hole 9-4B and the cavity 9-1 is matching relationship, and its span is 4;
The influence that this rifle body is brought for fear of fabrication error, described bonnet 12 is provided with the axially movable adjustment nail 11 of rotation control, adjust the length of nail 11 by control, can effectively control the extension elongation of rifle pin 20, thereby the vaporific size of control spraying can also reach the effect of adjusting precision simultaneously.
The course of work of the anticorrosion straight spray gun of spray in a kind of small-bore pipeline of present embodiment:
The anticorrosion straight spray gun of spray in a kind of small-bore pipeline of above embodiment, solved the defective that pistol of the prior art can not carry out interior spray operation, and adopted the working method of straight spray forward, more be applicable to the spraying of small-bore pipeline, make its spraying diameter range reach φ 60mm-φ 219mm, wherein the interior four set series connection reinforcement cylinders of gun barrel can fully solve the problem of Switch of spray pistol pressure, adjustment nail in the gun barrel on the bonnet can fully solve the influence that process deviation brings this spray gun, adjusts simultaneously and follows closely the adjusting that can also realize the hollow spray angle size in nozzle place.
Claims (10)
1. spray anticorrosion straight spray gun in a small-bore pipeline, it is characterized in that comprising by the gun barrel (9) of centre, material terminal pad (13) and the common rifle body that constitutes of carriage (3) that its two ends connect, one end of rifle body (1) is an inlet zone, the other end is connected with feeder with the feeding device of inlet channel with the outside by its inner set feeding pipe respectively, the inside of gun barrel (9) has the pneumatic executive item with outside feeder interlock simultaneously, drives the action of inner pneumatic executive item control rifle body inlet zone by outside feeder.
2. according to the anticorrosion straight spray gun of spray in the described a kind of small-bore pipeline of claim 1, it is characterized in that described gun barrel (9) comprises a hollow cavity (9-1), two material cavities (9-3) and two the gas circuit cavities that axially run through cylindrical shell, wherein offer through hole respectively between two gas circuit cavities and the hollow cavity (9-1), the two ends of hollow cavity (9-1) are provided with protecgulum (5) and bonnet (12) seals.
3. according to the anticorrosion straight spray gun of spray in the described a kind of small-bore pipeline of claim 1, it is characterized in that described pneumatic executive item is arranged at gun barrel (9) inside, comprise the piston rod (10) in the cavity (9-1), piston (6), piston spacer (7) and spacer block (8), described piston (6) is sheathed on the periphery of piston rod (10), the front end of piston rod (10) passes protecgulum (5) and fixedlys connected with the rifle pin adapter sleeve (18) that has rifle pin (20), end is fixedlyed connected with piston (6), be arranged with piston spacer (7) on the piston rod (10) between the two-piston (6), the periphery of piston spacer (7) is provided with the spacer block (8) that hollow cavity (9-1) is divided into ante-chamber (A) and back cavity (B).
4. according to the anticorrosion straight spray gun of spray in the described a kind of small-bore pipeline of claim 1, the feeding pipe that it is characterized in that described rifle body comprises that being arranged on gun barrel (9) goes up two material cavities (9-3) of axially connecting, is arranged on two feeding-passages (13-1) on the material terminal pad (13) and is located at two tapping channels (3-1) on the carriage (3), the port of above-mentioned material cavity (9-3), feeding-passage (13-1) and tapping channel (3-1) is corresponding relation when its appended main body interconnects, formed two feeding pipes of rifle body jointly.
5. according to the anticorrosion straight spray gun of spray in the described a kind of small-bore pipeline of claim 1, the inlet channel that it is characterized in that described rifle body comprises two inlet channels that are arranged on the material terminal pad (13), be arranged on gun barrel (9) and go up two gas circuit cavities that axially connect, be opened in the through hole on the gun barrel (9) and the ante-chamber (A) and the back cavity (B) of cavity (9-1), wherein two inlet channels are divided into unlatching inlet channel (13-2A), closed inlet channel (13-2B), two gas circuit cavities are divided into opens gas circuit cavity (9-2A), closed gas circuit cavity (9-2B), through hole is divided into ante-chamber through hole (9-4A) and back cavity through hole (9-4B), described unlatching inlet channel (13-2A) and unlatching gas circuit cavity (9-2A), ante-chamber through hole (9-4A) and ante-chamber (A) have formed jointly and have been used to control the unlatching inlet channel that spray gun is opened; Described closed inlet channel (13-2B) has formed the closed inlet channel that is used to control the spray gun closure jointly with closed gas circuit cavity (9-2B), back cavity through hole (9-4B) and back cavity (B).
6. according to the anticorrosion straight spray gun of spray in the described a kind of small-bore pipeline of claim 1, it is characterized in that described inlet zone is provided with carriage (3), the one end is connected with gun barrel (9), the other end removably connects with the rifle mouth clamping cap (2) of the mouth (1) that carries a gun, offer the central through hole that is used to hold the rifle pin (20) that piston rod (10) driven on the carriage (3), be provided with the mixing of materials chamber (21) that has feeding mouth (21-1) in the described central through hole, the set tapping channel (3-1) of described feeding mouth (21-1) and carriage (3) engages, one end of mixing of materials chamber (21) relies on rifle mouth clamping cap (2), the other end is fixedlyed connected with the rifle pin ejector sleeve (19) on being mounted on carriage (3), and described mixing chamber (21) and rifle nail ejector sleeve (19) are equipped with the through hole that is used to hold rifle pin (20).
7. according to the anticorrosion straight spray gun of spray in the described a kind of small-bore pipeline of claim 6, the corresponding setting of joint between the syringe needle that it is characterized in that described rifle pin (20) and the rifle mouth (1), rifle pin (20) periphery closely cooperates again and between the inwall of mixing of materials chamber (21).
8. according to the anticorrosion straight spray gun of spray in the described a kind of small-bore pipeline of claim 1, it is characterized in that described rifle body is connected with outside feeder to be meant that unlatching on the material terminal pad is pneumatic inserts (24) and closed pneumatic fast slotting (25) are connected with the feeder of outside soon by being installed on; Described rifle body is connected with the feeding device of outside and is meant that the filter by being installed on the material terminal pad (13) is connected with the feeding device of outside; Described filter comprises the filtration rack cover (17) that has filtration rack (15), filters rack (15) and is provided with screen pack (16), filters rack (15) and is provided with check valve (14) with the junction of expecting terminal pad (13).
9. according to the anticorrosion straight spray gun of spray in the described a kind of small-bore pipeline of claim 5, it is characterized in that the quantity of described ante-chamber through hole (9-4A), back cavity through hole (9-4B) and the quantity that is provided with of piston (6), piston spacer (7) and spacer block (8) in the cavity (9-1) are matching relationship, its span is 3-4.
10. according to the anticorrosion straight spray gun of spray in the described a kind of small-bore pipeline of claim 2, it is characterized in that described bonnet (12) is provided with the rotation axially movable adjustment nail of control (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200922326U CN202045041U (en) | 2011-03-23 | 2011-03-23 | Spray-in and anticorrosion straight spray gun of small-bore pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200922326U CN202045041U (en) | 2011-03-23 | 2011-03-23 | Spray-in and anticorrosion straight spray gun of small-bore pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN202045041U true CN202045041U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200922326U Expired - Fee Related CN202045041U (en) | 2011-03-23 | 2011-03-23 | Spray-in and anticorrosion straight spray gun of small-bore pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN202045041U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166551A (en) * | 2011-03-23 | 2011-08-31 | 烟台市芝罘振兴聚氨酯材料厂 | Anticorrosive direct spray gun for internal spraying of small-bore pipeline |
| CN111482308A (en) * | 2020-04-20 | 2020-08-04 | 台州弘锐精密机械有限公司 | Manufacturing and processing technology for snakelike condenser pipe of automobile air conditioner condenser |
-
2011
- 2011-03-23 CN CN2011200922326U patent/CN202045041U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166551A (en) * | 2011-03-23 | 2011-08-31 | 烟台市芝罘振兴聚氨酯材料厂 | Anticorrosive direct spray gun for internal spraying of small-bore pipeline |
| CN111482308A (en) * | 2020-04-20 | 2020-08-04 | 台州弘锐精密机械有限公司 | Manufacturing and processing technology for snakelike condenser pipe of automobile air conditioner condenser |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20130323 |