CN215235283U

CN215235283U - Plastic-coated equipment in steel pipe

Info

Publication number: CN215235283U
Application number: CN202022874805.2U
Authority: CN
Inventors: 廖长生
Original assignee: Chongqing Dingjiu Pipeline Co ltd
Current assignee: Chongqing Dingjiu Pipeline Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-12-21
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to the technical field of steel pipe plastic coating, in particular to a plastic coating device inside a steel pipe, which comprises an outer pipe body and a controller, wherein an inner pipe is arranged on the axis of the outer pipe body, a plastic spraying mechanism is arranged at one end of the outer pipe body, the inner pipe penetrates through the center of the plastic spraying mechanism and extends out of the outer pipe body, an air heating mechanism is arranged on the inner pipe, and a base is arranged at the other end of the outer pipe body; the plastic spraying mechanism comprises a fixed disc fixedly arranged on the outer tube body, a plurality of high-pressure spraying heads are uniformly arranged on the fixed disc at intervals, a feeding pipe is connected to the high-pressure spraying heads, and a storage barrel is connected to the tail end of the feeding pipe; the air heating mechanism comprises a cylindrical air outlet head fixedly mounted on the top end of the inner pipe, a heating wire is arranged at the bottom of the cylindrical air outlet head, and an air blower is arranged at the other end of the inner pipe. The utility model discloses inside plastic-coated is even, and drying effect is good, can effectively prolong the life of plastic-coated steel pipe.

Description

Plastic-coated equipment in steel pipe

Technical Field

The utility model belongs to the technical field of the steel pipe plastic-coated technique and specifically relates to indicate an inside plastic-coated equipment of steel pipe.

Background

With the rapid development of economy and the gradual improvement of urban infrastructure, various types of steel are widely used in the fields of industrial production, urban construction and the like. The plastic-coated steel pipe is a pipeline which is used for protecting the inner wall and the outer wall of the steel pipe by melting and spraying a layer on the inner wall or the outer wall of the steel pipe through a plastic coating process, the quality of the plastic coating process of the plastic-coated steel pipe directly determines the service life of the steel pipe, and the plastic coating equipment for the inner wall of the steel pipe in the prior art has the conditions of non-uniform coating and difficult drying after plastic coating, so that the service life of the plastic-coated steel pipe is short.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an inside plastic-coated equipment of steel pipe, inside plastic-coated is even, and drying effect is good, can effectively prolong the life of plastic-coated steel pipe.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a plastic coating device for the interior of a steel pipe comprises an outer pipe body and a controller, wherein an inner pipe is arranged on the axis of the outer pipe body, a plastic spraying mechanism is arranged at one end of the outer pipe body, the inner pipe penetrates through the center of the plastic spraying mechanism and extends out of the outer pipe body, an air heating mechanism is arranged on the inner pipe, and a base is arranged at the other end of the outer pipe body; the plastic spraying mechanism comprises a fixed disc fixedly arranged on the outer tube body, a plurality of high-pressure spraying heads are uniformly arranged on the fixed disc at intervals, a feeding pipe is connected to the high-pressure spraying heads, and a storage barrel is connected to the tail end of the feeding pipe; the air heating mechanism comprises a cylindrical air outlet head fixedly mounted on the top end of the inner tube, a heating wire is arranged at the bottom of the cylindrical air outlet head, an air blower is arranged at the other end of the inner tube, an air outlet pipe of the air blower is fixedly communicated with the inner tube, and the air blower is electrically connected with the controller.

Furthermore, the feeding pipe is provided with a high-pressure pump, the feeding pipe is scattered in a cavity between the outer pipe body and the inner pipe, and the high-pressure pump is electrically connected with the controller.

Furthermore, a plurality of air outlet holes are uniformly formed in the column body of the column-shaped air outlet head at intervals, and a dustproof filter screen is arranged at the air outlet holes.

Further, the inner tube and the outer tube are telescopic tubes.

Furthermore, a first through hole and a second through hole are formed in the side face of the base, the feeding pipe penetrates through the first through hole to be connected with an external storage barrel, and the bottom end of the inner pipe penetrates through the second through hole to be connected with the air blower.

Further, a heater is arranged on the storage barrel and electrically connected with the controller.

The utility model has the advantages that:

in the in-service use sight, in operation, connect conveying pipe and storage vat, with air-blower and inner tube intercommunication, adjust equipment, then place the steel pipe that will carry out the plastic-coated in suitable position, the one end that the outer body remains the plastic-coated is controlled and is stretched into the other end of the steel pipe that waits the plastic-coated, begin to work, the conveying pipe transports coating to high-pressure atomising head department, aim at the steel pipe inner wall and carry out even spraying plastics, then slowly stimulate outer body, make the plastic-coated even, the work of controller control heater strip this moment, the air-blower carries out the ancient wind to the intraductal, wind is heated through the heater strip, then spout by the cylindricality air outlet, heat the drying to the fluorescent lamp inner wall that the plastic-coated was accomplished, the inner wall plastic-coated of whole root steel pipe finishes up to. The utility model discloses inside plastic-coated is even, and drying effect is good, can effectively prolong the life of plastic-coated steel pipe.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is an enlarged schematic view of fig. 1 according to the present invention.

Reference numerals:

1-an outer body; 2-inner tube; 3-a plastic spraying mechanism; 31-fixing the disc; 32-a high pressure spray head; 33-a feeding pipe; 34-a storage barrel; 35-a high pressure pump; 36-a heater; 4-air heating mechanism; 41-cylindrical air outlet head; 42-heating wires; 5-base, 51-first through hole; 52-second via.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1-2, the utility model provides a plastic coating equipment for the interior of a steel pipe, which comprises an outer pipe body 1 and a controller, wherein an inner pipe 2 is arranged on the axis of the outer pipe body 1, a plastic spraying mechanism 3 is arranged at one end of the outer pipe body 1, the inner pipe 2 extends out of the outer pipe body 1 through the center of the plastic spraying mechanism 3, an air heating mechanism 4 is arranged on the inner pipe 2, and a base 5 is arranged at the other end of the outer pipe body 1; the plastic spraying mechanism 3 comprises a fixed disc 31 fixedly arranged on the outer tube body 1, a plurality of high-pressure spray nozzles 32 are uniformly arranged on the fixed disc 31 at intervals, a feeding pipe 33 is connected to the high-pressure spray nozzles 32, and the tail end of the feeding pipe 33 is connected with a storage barrel 34; air heating mechanism 4 includes fixed mounting and is in the cylindricality on 2 tops of inner tube goes out wind head 41, the bottom that the cylindricality goes out wind head 41 is equipped with heater strip 42, the other end of inner tube 2 is equipped with the air-blower, the play tuber pipe of air-blower with the fixed intercommunication of inner tube 2, the air-blower is connected with the controller electricity.

In this embodiment, in operation, the conveying pipe 33 and the storage vat 34 are connected, communicate the air blower 42 with the inner pipe 2, adjust the equipment, then place the steel pipe that needs to carry out the plastic-coated in suitable position, the one end that the outer body 1 that remains the plastic-coated stretches into the other end of the steel pipe that waits to be plastic-coated, begin work, the conveying pipe 33 transports coating to high-pressure atomising head 32 department, aim at the steel pipe inner wall and carry out even plastic-spraying, then slowly stimulate outer body 1, make the plastic-coated even, the work of heater strip 42 is controlled to the controller this moment, the air blower carries out the paleo wind in to the inner pipe 2, wind is heated through heater strip 42, then spout by cylindricality air outlet 41, heat the drying to the light pipe inner wall that has been plastic-coated, until the inner wall of whole steel pipe is finished being plastic-coated. The inside plastic-coated of this equipment is even, and drying effect is good, can effectively prolong the life of plastic-coated steel pipe.

As shown in fig. 1, a high-pressure pump 35 is arranged on the feeding pipe 33, the feeding pipe 33 is spread in the cavity between the outer pipe body 1 and the inner pipe 2, and the high-pressure pump 35 is electrically connected with a controller; in this embodiment, the high-pressure pump 35 extrudes and ejects the raw material for plastic injection at high pressure.

As shown in fig. 1, a plurality of air outlets are uniformly arranged on the column body of the column-shaped air outlet head 41 at intervals, and a dustproof filter screen is arranged at the air outlet; in this embodiment, the exhaust vent is even, guarantees that the air-out is even for plastic-coated layer drying effect is better, and dustproof filter screen prevents that the dust from being bonded on the plastic-coated layer, and the influence is used and is pleasing to the eye.

As shown in fig. 1, the inner tube 2 and the outer tube 1 are both telescopic tubes; in this embodiment, be convenient for be applicable to the steel pipe plastic-coated process of more specifications in order to adopt the flexible body, also convenient storage reduces the storage space, conveniently removes and takes.

As shown in fig. 2, a first through hole 51 and a second through hole 52 are formed in the side surface of the base 5, the feeding pipe 33 passes through the first through hole 51 to be connected with the external storage bin 34, and the bottom end of the inner pipe 2 passes through the second through hole 52 to be connected with the blower; in this embodiment, the first through hole 51 and the second through hole 52 mainly play a role in limiting, and prevent the feeding pipe from being tangled and twisted.

As shown in fig. 1, a heater 36 is disposed on the storage vat 34, and the heater 36 is electrically connected to the controller; in this embodiment, the heater 35 is used for heating at any time to prevent the raw material from being condensed.

All technical features in the embodiment can be subjected to appearance modification according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides an inside plastic-coated equipment of steel pipe, includes outer body (1) and controller, its characterized in that: an inner pipe (2) is arranged on the axis of the outer pipe body (1), a plastic spraying mechanism (3) is arranged at one end of the outer pipe body (1), the inner pipe (2) penetrates through the center of the plastic spraying mechanism (3) and extends out of the outer pipe body (1), an air heating mechanism (4) is arranged on the inner pipe (2), and a base (5) is arranged at the other end of the outer pipe body (1);

the plastic spraying mechanism (3) comprises a fixed disc (31) fixedly arranged on the outer tube body (1), a plurality of high-pressure spray nozzles (32) are uniformly arranged on the fixed disc (31) at intervals, a feeding pipe (33) is connected to the high-pressure spray nozzles (32), and a storage barrel (34) is connected to the tail end of the feeding pipe (33);

air heating mechanism (4) are including fixed mounting in the cylindricality on inner tube (2) top goes out wind head (41), the bottom that the cylindricality goes out wind head (41) is equipped with heater strip (42), the other end of inner tube (2) is equipped with the air-blower, the play tuber pipe of air-blower with the fixed intercommunication of inner tube (2), the air-blower is connected with the controller electricity.

2. The inside plastic-coated equipment of steel pipe of claim 1, characterized in that: the feeding pipe (33) is provided with a high-pressure pump (35), the feeding pipe (33) is scattered in a cavity between the outer pipe body (1) and the inner pipe (2), and the high-pressure pump (35) is electrically connected with the controller.

3. The inside plastic-coated equipment of steel pipe of claim 1, characterized in that: a plurality of air outlet holes are uniformly formed in the column body of the column-shaped air outlet head (41) at intervals, and a dustproof filter screen is arranged at the air outlet holes.

4. The inside plastic-coated equipment of steel pipe of claim 1, characterized in that: the inner pipe (2) and the outer pipe body (1) are both telescopic pipe bodies.

5. The inside plastic-coated equipment of steel pipe of claim 1, characterized in that: the side surface of the base (5) is provided with a first through hole (51) and a second through hole (52), the feeding pipe (33) penetrates through the first through hole (51) to be connected with an external storage barrel (34), and the bottom end of the inner pipe (2) penetrates through the second through hole (52) to be connected with the air blower.

6. The inside plastic-coated equipment of steel pipe of claim 1, characterized in that: the storage barrel (34) is provided with a heater (36), and the heater (36) is electrically connected with the controller.