CN215902053U - Nozzle device for coating inside small-caliber nodular cast iron pipe - Google Patents
Nozzle device for coating inside small-caliber nodular cast iron pipe Download PDFInfo
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- CN215902053U CN215902053U CN202121906292.7U CN202121906292U CN215902053U CN 215902053 U CN215902053 U CN 215902053U CN 202121906292 U CN202121906292 U CN 202121906292U CN 215902053 U CN215902053 U CN 215902053U
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Abstract
The utility model discloses an internal coating nozzle device of a small-caliber nodular cast iron pipe, which comprises: the nozzle comprises a nozzle body, an atomizer and a fixer; one side part of nozzle body inwards caves in and forms first fixed slot along the horizontal direction, the one end intercommunication of spray pipe is established in first fixed slot, the upper surface part of nozzle body is downwards sunken to form the second fixed slot, fixer lower surface part inwards caves in and forms and exports ware matched with draw-in groove, the atomizer block is in the draw-in groove, the atomizing exit end of atomizer stretches out from the opening at fixer top, fixer detachably fixes in the second fixed slot, the inside atomizing passageway of atomizer is vertical state, and is linked together with the inside first connecting pipeline of nozzle body. The device overcomes the problem that horizontal spraying is adopted in the prior art, the area sprayed on the inner wall of the pipe at a single time is large, and the phenomenon of repeated spraying of the local area in the pipe is caused in the horizontal movement spraying process, so that the thickness of the coating is uneven, and production raw materials are wasted.
Description
Technical Field
The utility model relates to the technical field of an internal coating device for a nodular cast iron pipe, in particular to an internal coating nozzle device for a small-caliber nodular cast iron pipe.
Background
In the production and processing process of the nodular cast iron pipe, the inner wall of the pipe needs to be sprayed and processed, and in the domestic cast pipe spraying industry, an aluminum alloy support rod is mainly adopted to carry a spraying pipeline and a spray gun nozzle, and the spraying pipeline and the spray gun nozzle are driven to move by a mechanical trolley to perform spraying work;
at present, casting manufacturers adopt horizontal spraying for spraying, and because the inner space of the nodular cast iron pipe with a small diameter is less, the traditional nozzle can only adopt horizontal spraying, but in the horizontal spraying process, because the spraying distance is far, the area sprayed on the inner wall of the pipe once is large, the repeated spraying phenomenon occurs in the local area in the pipe in the horizontal movement spraying process, so that the coating thickness is uneven, and the production raw materials are wasted.
Therefore, the utility model provides a nozzle device for internal coating of a small-caliber nodular cast iron pipe, which is suitable for the small-caliber nodular cast iron pipe in the using process, can ensure that the coating sprayed at a single time is thin, realizes uniform spraying on the inner wall of the nodular cast iron pipe, reduces the production cost and improves the spraying effect of the product.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model aims to solve the problems that in the prior art, all the nodular cast iron pipes with small diameters are horizontally sprayed, and because the spraying distance is long, the area sprayed on the inner wall of the pipe at a time is large, the local area in the pipe is repeatedly sprayed in the horizontal movement spraying process, so that the coating thickness is uneven, and production raw materials are wasted, thereby providing the internal coating nozzle device of the nodular cast iron pipe with small diameter, which is suitable for the nodular cast iron pipe with small diameter in the using process, can ensure that the coating sprayed at a time is thin, realizes the uniform spraying on the inner wall of the nodular cast iron pipe, reduces the production cost and improves the spraying effect of products.
In order to achieve the above object, the present invention provides an in-coating nozzle device for a small-caliber ductile cast iron pipe, characterized by comprising: the nozzle comprises a nozzle body, an atomizer and a fixer; one side part of nozzle body inwards caves in and forms first fixed slot along the horizontal direction, and the one end intercommunication setting of spraying pipe is in the first fixed slot, the upper surface part of nozzle body is downwards sunken to form the second fixed slot, the lower surface part of fixer inwards caves in and forms with atomizer matched with draw-in groove, the atomizer block is in the draw-in groove, just the atomizing exit end of atomizer is followed the opening at fixer top stretches out, fixer detachably fixes in the second fixed slot, the inside atomizing passageway of atomizer is vertical state, and with the inside first connecting pipeline of nozzle body is linked together, first connecting pipeline then through the second connecting pipeline that the slope set up with first fixed slot is linked together.
Preferably, the bottom of the second fixing groove is provided with an annular sealing gasket, and the bottom of the atomizer abuts against the annular sealing gasket.
Preferably, the inner side of the second fixing groove is provided with a first internal thread, the outer side of the fixer is provided with a first external thread matched with the first internal thread, and the fixer is fixed in the second fixing groove in a threaded manner.
Preferably, the inner wall of the first fixing groove is provided with a second internal thread, one end of the spraying pipe is provided with a second external thread matched with the second internal thread, and one end of the spraying pipe is fixed in the first fixing groove in a threaded manner.
Preferably, one side of the nozzle body, which is provided with the first fixing groove, is provided with a rubber gasket, and a spraying pipe fixing hole communicated with the first fixing groove is arranged on the rubber gasket in a penetrating manner.
Preferably, the upper surface portion of the nozzle body is recessed downward to form a fitting groove, and the second fixing groove is located in the fitting groove.
Preferably, the outer surface of the nozzle body is coated with a black iron oxide coating.
According to the technical scheme, the internal coating nozzle device for the small-caliber nodular cast iron pipe, provided by the utility model, has the beneficial effects that: the spraying device comprises a spraying pipe, a nozzle body, an atomizer, a fan-shaped atomizing nozzle and a fan-shaped spraying nozzle, wherein the spraying pipe extends into the nozzle body through the spraying pipe, spraying raw materials are injected into the nozzle body through the first fixing groove, the spraying raw materials are introduced into the atomizer through a second connecting pipeline and a first connecting pipeline, the atomizer atomizes the spraying raw materials and then sprays the atomized spraying raw materials through the fan-shaped atomizing nozzle at the top, an atomizing channel in the atomizer is perpendicular to a central shaft of the small-caliber nodular cast iron pipe, so that the spraying distance is short, the spraying area is small, a repeated spraying area is few in the spraying process, the spraying pipe rotates while moving along the central shaft direction of the small-caliber nodular cast iron pipe, the inner wall of the small-caliber nodular cast iron pipe can be uniformly sprayed, the product quality is guaranteed, and meanwhile, coatings can be saved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows; and the parts not involved in the utility model are the same as or can be realized by the prior art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic sectional view in the vertical direction of an in-coating nozzle device for a small-caliber ductile iron pipe provided in a preferred embodiment of the present invention;
fig. 2 is a schematic cross-sectional view in the vertical direction of an in-coating nozzle device for a small-caliber ductile cast iron pipe provided in a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a nozzle device in the interior of a small-caliber ductile cast iron pipe provided in a preferred embodiment of the present invention;
fig. 4 is a schematic structural view of an atomizer and a holder provided in a preferred embodiment of the present invention after assembly.
Description of the reference numerals
1 nozzle body 2 first fixing groove
3 clamping groove 4 second connecting pipeline
5 first internal thread 6 first connecting pipe
7 annular sealing gasket 8 fixer
9 second fixing groove of atomizer 10
11 assembly groove 12 rubber gasket
13 spray pipe fixing hole 14 spray pipe
15 fan-shaped atomizing nozzle
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, inner, outer" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1 to 4, the present invention provides a small-caliber nodular cast iron pipe internal coating nozzle device, comprising: a nozzle body 1, an atomizer 9, and a holder 8; one side part of the nozzle body 1 is inwards sunken to form a first fixing groove 2 along the horizontal direction, one end of a spraying pipe 14 is communicated and arranged in the first fixing groove 2, the upper surface part of the nozzle body 1 is recessed downwards to form a second fixing groove 10, the lower surface part of the fixer 8 is recessed inwards to form a clamping groove 3 matched with the atomization outlet 9, the atomizer 9 is clamped in the clamping groove 3, and the atomization outlet end of the atomizer 9 extends out from the opening at the top of the fixer 8, the fixer 8 is detachably fixed in the second fixing groove 10, the atomization channel inside the atomizer 9 is in a vertical state, and is communicated with a first connecting pipe 6 inside the nozzle body 1, and the first connecting pipe 6 is communicated with the first fixing groove 2 through a second connecting pipe 4 which is obliquely arranged.
In the above scheme, the nozzle body 1 is extended into the nozzle body 1 through the spraying pipe 14, the spraying pipe 14 injects the spraying raw material into the nozzle body 1 through the first fixing groove 2, the spraying raw material is introduced into the atomizer 9 through the second connecting pipeline 4 and the first connecting pipeline 6, then the atomizer 9 atomizes the spraying raw material and sprays the spraying raw material through the fan-shaped atomizing nozzle 15 at the top, the atomizing channel in the atomizer 9 is perpendicular to the central axis of the small-caliber nodular cast iron pipe, so that the spraying distance is short, the spraying area is small, there are few areas for repeated spraying in the spraying process, the spraying pipe 14 moves along the central axis direction of the small-caliber nodular cast iron pipe on one side, so that the inner wall of the small-caliber nodular cast iron pipe can be uniformly sprayed, and while the product quality is ensured, and the coating can be saved.
In a preferred embodiment of the present invention, the bottom of the second fixing groove 10 is provided with an annular sealing gasket 7, and the bottom of the atomizer 9 abuts against the annular sealing gasket 7.
In the above scheme, when the atomizer 9 is fixed inside the second fixing groove 10 through the fixer 8, the bottom of the atomizer 9 abuts against the annular sealing gasket 7, so that the sealing performance between the bottom of the atomizer 9 and the bottom of the second fixing groove 10 can be effectively improved, and spraying raw materials are prevented from leaking from a gap at the joint between the second fixing groove 10 and the atomizer 9 and dropping in the small-caliber nodular cast iron pipe, so that the overall spraying effect in the small-caliber nodular cast iron pipe can be ensured.
In a preferred embodiment of the present invention, a first female screw 5 is provided on an inner side of the second fixing groove 10, a first male screw engaged with the first female screw 5 is provided on an outer side of the anchor 8, and the anchor 8 is threadedly fixed in the second fixing groove 10.
In the above scheme, the effective fixation of the fixer 8 can be realized by utilizing the structure of the first internal thread 5 and the first external thread, so that the atomizer 9 is stably assembled in the second fixing groove 10 to effectively spray the small-caliber nodular cast iron pipe in the vertical direction, on one hand, the structure can also be matched with the annular sealing gasket 7 to ensure the sealing property of the bottom and prevent the liquid leakage problem, on the other hand, the fixer 8 and the atomizer 9 are conveniently disassembled and replaced, the atomizer 9 with fan-shaped atomizing nozzles with different atomizing degrees and different angles is selected according to the specification of the small-caliber nodular cast iron pipe to be sprayed, and the atomizer 9 is stably assembled in the second fixing groove 10.
In a preferred embodiment of the present invention, the inner wall of the first fixing groove 2 is provided with a second internal thread, one end of the spray pipe 14 is provided with a second external thread matching the second internal thread, and one end of the spray pipe 14 is screwed into the first fixing groove 2.
In the above scheme, the spray pipe 14 and the nozzle body 1 are also in threaded connection, so that the spray pipe and the nozzle body are convenient to assemble on one hand, the stability after assembly is also ensured, and the spray pipe and the nozzle body are convenient to disassemble and replace on the other hand.
In a preferred embodiment of the present invention, a rubber gasket 12 is disposed on one side of the nozzle body 1 where the first fixing groove 2 is disposed, and a spray pipe fixing hole 13 communicating with the first fixing groove 2 is formed through the rubber gasket 12.
In the above scheme, after the spray pipe 14 and the nozzle body 1 are assembled, the inner wall of the spray pipe fixing hole 13 abuts against the side wall of the end portion of the spray pipe 14, and the rubber gasket 12 is compressed by the end portions of the nozzle body 1 and the spray pipe 14 as a whole, so that the sealing property between the joint of the spray pipe fixing hole and the spray pipe 14 can be effectively ensured, the problem of leakage of spraying raw materials is prevented, and the effect of spraying the inner wall of the small-caliber nodular cast iron pipe is ensured.
In a preferred embodiment of the present invention, the upper surface portion of the nozzle body 1 is recessed downward to form a fitting groove 11, and the second fixing groove 10 is located in the fitting groove 11.
In the above scheme, the structure of the assembling groove 11 is beneficial to controlling the thickness of the whole nozzle device, and after the fixing device 8 and the atomizer 9 are assembled, the top of the atomizer 9 is kept flush with the upper surface of the nozzle body 1, so that the spraying work of the small-caliber nodular cast iron pipe is smoother, and the applicability is better.
In a preferred embodiment of the present invention, the outer surface of the nozzle body 1 is coated with an iron oxide black coating.
In the scheme, the iron oxide black coating can effectively ensure the nozzle body 1 to play a role of rust prevention, so that the oxidized surface skin of the outer surface of the nozzle body 1 can be prevented from falling into the small-caliber nodular cast iron pipe to influence the spraying effect of the small-caliber nodular cast iron pipe.
In conclusion, the nozzle device in the small-caliber nodular cast iron pipe provided by the utility model solves the problems that in the prior art, all small-caliber nodular cast iron pipes are horizontally sprayed, and because the spraying distance is long and the area sprayed on the inner wall of the pipe at a time is large, the local area in the pipe is repeatedly sprayed in the horizontal movement spraying process, so that the coating thickness is uneven, and production raw materials are wasted.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. An in-coating nozzle device for a small-caliber nodular cast iron pipe, which is characterized by comprising: a nozzle body (1), an atomizer (9) and a holder (8); one side part of the nozzle body (1) is inwards sunken to form a first fixing groove (2) along the horizontal direction, one end of a spraying pipe (14) is communicated and arranged in the first fixing groove (2), the upper surface part of the nozzle body (1) is downwards sunken to form a second fixing groove (10), the lower surface part of the fixer (8) is inwards sunken to form a clamping groove (3) matched with the atomization outlet device (9), the atomizer (9) is clamped in the clamping groove (3), the atomization outlet end of the atomizer (9) extends out of an opening at the top of the fixer (8), the fixer (8) is detachably fixed in the second fixing groove (10), the atomization channel inside the atomizer (9) is in a vertical state and is communicated with a first connecting pipeline (6) inside the nozzle body (1), the first connecting pipeline (6) is communicated with the first fixing groove (2) through a second connecting pipeline (4) which is obliquely arranged.
2. The small-caliber ductile cast iron pipe inner coating nozzle device according to claim 1, wherein the bottom of the second fixing groove (10) is provided with an annular sealing gasket (7), and the bottom of the atomizer (9) abuts against the annular sealing gasket (7).
3. The small-caliber ductile cast iron pipe inner coating nozzle device according to claim 1, wherein the inner side of the second fixing groove (10) is provided with a first inner screw thread (5), the outer side of the holder (8) is provided with a first outer screw thread which is matched with the first inner screw thread (5), and the holder (8) is threadedly fixed in the second fixing groove (10).
4. The small-caliber ductile iron pipe internal coating nozzle device according to claim 1, wherein the inner wall of the first fixing groove (2) is provided with a second internal thread, one end of the spraying pipe (14) is provided with a second external thread matched with the second internal thread, and one end of the spraying pipe (14) is fixed in the first fixing groove (2) in a threaded manner.
5. The small-caliber nodular cast iron pipe inner coating nozzle device in claim 1, wherein one side of the nozzle body (1) provided with the first fixing groove (2) is provided with a rubber gasket (12), and a spraying pipe fixing hole (13) communicated with the first fixing groove (2) is arranged on the rubber gasket (12) in a penetrating way.
6. The small-caliber ductile iron pipe inner coating nozzle device according to claim 1, wherein the upper surface portion of the nozzle body (1) is recessed downward to form a fitting groove (11), and the second fixing groove (10) is located in the fitting groove (11).
7. The small-caliber ductile iron pipe inner coating nozzle device according to claim 1, wherein the outer surface of the nozzle body (1) is coated with a black iron oxide coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121906292.7U CN215902053U (en) | 2021-08-13 | 2021-08-13 | Nozzle device for coating inside small-caliber nodular cast iron pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121906292.7U CN215902053U (en) | 2021-08-13 | 2021-08-13 | Nozzle device for coating inside small-caliber nodular cast iron pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215902053U true CN215902053U (en) | 2022-02-25 |
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ID=80291494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121906292.7U Active CN215902053U (en) | 2021-08-13 | 2021-08-13 | Nozzle device for coating inside small-caliber nodular cast iron pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215902053U (en) |
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2021
- 2021-08-13 CN CN202121906292.7U patent/CN215902053U/en active Active
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