Plastic coated pipe inner suction clamp

Abstract

The utility model discloses a plastic coated pipe internal suction clamp. The plastic coated pipe internal suction clamp comprises a pipeline, a powder feeding device, paired annular clamps and a plastic coated powder barrel, the pipeline is arranged between the paired annular clamps in a sealed mode, each annular clamp comprises a detachable pipeline connecting end and a plastic coating powder feeding end connected with the plastic coating powder barrel in a sealed mode, the pipeline connecting ends are connected with the pipeline in a sealed mode, the annular clamps are provided with powder feeding devices, and the powder feeding devices can push powder in the plastic coating powder barrel to enter the pipeline. And the pipeline connecting end can be connected with pipelines with different calibers. According to the inner wall plastic coating clamp, through the arrangement of the annular clamp, the inner wall plastic coating clamp can clamp pipelines of different specifications, the production efficiency is improved, the production group distance is enlarged, and the market share is increased. And moreover, the powder feeding device avoids the situation that the coating is difficult to attach to the inner wall of the pipeline far away from the plastic coating powder barrel in the plastic coating process of the long pipeline, the production efficiency is improved, and the powder accumulation condition in the pipeline is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline plastic coating clamp technical field more specifically, relate to a kind of plastic coating pipe inner suction clamp. BACKGROUND

[0002] The pipeline of drinking water metal pipeline is generally coated in inner hole and outer periphery, when coating in inner hole, steel pipe needs to at least carry out self-rotating action, which needs to design special clamp, so that it is convenient to clamp steel pipe, and cannot hinder the process operation of coating, when the inner hole of large-diameter pipeline is coated, the coating production is often carried out by inner spraying, when the distance between the spraying gun rod and the pipeline is too close, it will cause the powder difference on the both ends of the pipeline and the uneven surface, when the pipeline is too long, the powder on the spraying gun rod will be accumulated in the pipeline for too long, causing the powder to scatter to the inner wall of the pipeline, affecting the quality of inner surface, the production process is prone to cause high consumption of anticorrosion raw materials, serious coating running, dripping and leaking phenomenon, low production efficiency, and coating is easy to scrap, and the existing inner suction coating method is often used for pipeline coating, which often exists the situation that a large amount of powder is accumulated in the pipeline and the coating quality is uneven.

[0003] Therefore, how to develop an inner suction coating clamp for large-diameter pipeline to avoid coating running, dripping and leaking phenomenon and improve production efficiency. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of plastic coating pipe inner suction clamp.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A kind of plastic coating pipe inner suction clamp, the plastic coating pipe inner suction clamp includes: pipeline, powder feeding device and pair of annular clamp and plastic coating powder barrel,

[0007] The pipeline is sealingly arranged between the pair of annular clamps, the annular clamp includes a pipeline connection end sealingly connected with the pipeline and a plastic coating powder powder inlet end sealingly connected with the plastic coating powder barrel, one end of the annular clamp is provided with the powder feeding device, the powder feeding device can push the powder in the plastic coating powder barrel into the pipeline through the annular clamp, and the pipeline connection end can be connected with pipelines of different diameters.

[0008] Preferably, the pipeline connection end includes a connecting port connected with the pipeline and a conical clamping surface;

[0009] The connecting port is sealingly connected with the pipeline, the conical clamping surface is integrally formed with the connecting port, the conical clamping surface extends outward from the connection with the connecting port, and the cross-sectional diameter of the conical clamping surface gradually increases with the distance away from the connecting port.

[0010] Preferably, the clamping cone angle of the conical top pressing surface is between 50°-65°.

[0011] Preferably, the connecting port comprises at least three pipe connecting ends;

[0012] The pipe connecting ends can be connected one by one, the inner diameter of the pipe connecting ends decreases in turn as the number of connected pipe connecting ends increases, and the pipe connecting ends can be sealingly connected with the pipe corresponding in inner diameter.

[0013] Preferably, the powder feeding device is sealingly arranged on the pipe connecting end;

[0014] The powder feeding device comprises a vacuum pump and an air suction hose, the vacuum pump is connected in communication with the pipe connecting end of the annular clamp through the air suction hose, and the pipe forms a vacuum environment through the vacuum pump.

[0015] Preferably, the powder feeding device is sealingly arranged on the plastic powder coating barrel;

[0016] The powder feeding device comprises an air compressor and an air feeding hose, the output end of the air compressor is sealingly connected in communication with the plastic powder coating barrel through the air feeding hose, and the compressed air output by the air compressor can push the powder in the plastic powder coating barrel into the pipe.

[0017] The utility model discloses the beneficial effects are:

[0018] The plastic coated pipe inner suction clamp sets the pipe on the annular clamp through the annular clamp in pairs, and the powder in the plastic powder coating barrel is sent into the pipe through the powder feeding device. In the case that the pipe is preheated to not less than 150 DEG C, the paint entering the pipe adheres to the inner wall of the pipe rapidly, and the adhered paint forms a coating on the inner wall of the pipe to avoid rust during the use of the metal pipe. Moreover, the detachably arranged pipe connecting end makes the inner wall plastic coating clamp be able to clamp pipes of different specifications, avoiding the need for different clamps for different specifications of pipes in the existing pipe coating. Further, the annular clamp arranged in pairs can clamp pipes of different lengths, avoiding the instability of the existing clamping equipment when facing long pipes, and the powder feeding device avoids the difficulty of paint adhering to the inner wall of the pipe far away from the plastic powder coating barrel during the coating process, improves the production efficiency, and reduces the powder accumulation in the pipe. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure diagram of the first pipe connecting end of the plastic coated pipe inner suction clamp of the utility model;

[0020] Figure 2is the structural schematic view of the second pipeline connecting end head of the plastic-coated pipe internal suction clamp of the utility model;

[0021] Figure 3 is the structural schematic view of the third pipeline connecting end head of the plastic-coated pipe internal suction clamp of the utility model.

[0022] Mark explanation:

[0023] 1, pipeline connecting end head; 2, clamping taper angle; 3, connecting port. Specific implementation

[0024] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the utility model. However, the utility model can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, therefore the utility model is not limited by the specific implementation disclosed below.

[0025] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model.

[0027] As Figure 1 shown, a plastic-coated pipe internal suction clamp, the plastic-coated pipe internal suction clamp comprises: pipeline, powder feeding device and a pair of ring clamps and plastic powder barrel; the pipeline is sealingly arranged between the pair of ring clamps, the ring clamp comprises a pipeline connecting end detachably arranged and a plastic powder feeding end sealingly connected with the plastic powder barrel, the pipeline connecting end is sealingly connected with the pipeline, one end of the ring clamp is provided with the powder feeding device, the powder feeding device can push the coating in the plastic powder barrel to pass through the ring clamp and enter the pipeline, and the pipeline connecting end can be connected with pipelines of different diameters.

[0028] In this embodiment, the inner wall coating fixture sets the pipeline on the annular clamp through the pair of annular clamps, sends the coating in the coating powder barrel into the pipeline through the powder feeding device, and the coating entering the pipeline adheres to the inner wall of the pipeline rapidly when the pipeline is preheated to not less than 150 DEG C, and the adhered coating forms a coating on the inner wall of the pipeline to avoid rust during the use of the metal pipeline. And the detachably arranged pipeline connecting end enables the inner wall coating fixture to clamp different specifications of pipelines, avoiding the need for customizing different fixtures for different specifications of pipelines in the existing pipeline coating. The detachably arranged pipeline connecting end further enables the pipeline connecting end of the corresponding large-diameter annular clamp to clamp the large-diameter pipeline when coating the large-diameter pipeline, and the sealing connection of the pipeline connecting end of the annular clamp and the pipeline avoids the leakage of the pipeline during the coating powder suction, increases the utilization rate of the coating, reduces the coating loss during the coating process, improves the coating efficiency, and improves the economy of the coating of pipelines of different diameters through the arrangement of the fixture. Further, the pair of annular clamps can clamp pipelines of different lengths, avoiding the instability of the existing clamping equipment when facing long pipelines, and the powder feeding device avoids the difficulty of the coating adhering to the inner wall of the pipeline far from the coating powder barrel during the coating process, improving the production efficiency and reducing the powder accumulation in the pipeline.

[0029] As shown in Figure 1 The pipeline connecting end includes a connecting port 3 connected with the pipeline and a tapered pressing surface, the connecting port 3 is sealingly connected with the pipeline, the tapered pressing surface is integrally formed with the connecting port 3, the tapered pressing surface extends outward from the connecting port 3, and the cross-sectional diameter of the tapered pressing surface gradually increases with the distance away from the connecting port 3. The clamping taper angle 2 of the tapered pressing surface is between 50°-65°. The connecting port 3 includes at least three pipeline connecting end heads 1, the pipeline connecting end heads 1 can be connected and disconnected one by one, the inner diameter of the pipeline connecting end heads 1 decreases in turn as the number of the connected pipeline connecting end heads 1 increases, and the pipeline connecting end heads 1 can be sealingly connected with the pipelines with corresponding inner diameters.

[0030] In this embodiment, the tapered pressing surface enables the pipeline connecting end heads 1 with gradually decreasing diameters to be arranged on the connecting port 3 in turn, different diameters of the pipeline connecting end heads 1 are used according to different diameters of the pipelines to be coated, which realizes the coating of large-diameter pipelines and avoids the need for repeatedly replacing the coating equipment during the coating of pipelines with different diameters, improves the production efficiency, reduces the production cost, reduces the working intensity of the labor personnel, and avoids uneven coating. The arrangement of the at least three pipeline connecting end heads 1 enables the inner wall coating fixture to have a wider application range.

[0031] In a preferred embodiment, the connecting port 3 comprises a first pipe connecting end 1, a second pipe connecting end 1 and a third pipe connecting end 1, the clamping cone angle 2 of the conical top surface of the first pipe connecting end 1 is 54.1°, the clamping cone angle 2 of the conical top surface of the second pipe connecting end 1 is 56.1°, the clamping cone angle 2 of the conical top surface of the third pipe connecting end 1 is 61.0°, the inner diameter of the pipe connected by the first pipe connecting end 1, the second pipe connecting end 1 and the third pipe connecting end 1 gradually increases, and the first pipe connecting end 1 and the second pipe connecting end 1 can be detachably arranged on the third pipe connecting end 1.

[0032] In the embodiment A, the powder feeding device is sealingly arranged on the pipe connecting end, the powder feeding device comprises a vacuum pump and an air suction hose, the vacuum pump is connected in communication with the pipe connecting end of the annular clamp through the air suction hose, and the pipe forms a vacuum environment through the vacuum pump.

[0033] In this embodiment, the vacuum pump is arranged on the pipe connecting end, the vacuum pump is connected in communication with the pipe connecting end of the annular clamp through the air suction hose, and a valve that can be opened and closed is arranged on the air suction hose of the vacuum pump to ensure the vacuum sealing environment in the pipe. When coating paint is needed, the air in the pipe is first sucked away by the vacuum pump to form a vacuum environment in the pipe, so that the paint in the plastic powder barrel connected in communication with the pipe can enter the pipe under the action of air pressure and then be adsorbed by the inner wall of the pipe in a high temperature state to form a coating.

[0034] In the embodiment B, the powder feeding device is sealingly arranged on the plastic powder barrel, the powder feeding device comprises an air compressor and an air feeding hose, the output end of the air compressor is sealingly connected in communication with the plastic powder barrel through the air feeding hose, and the compressed air output by the air compressor can push the powder in the plastic powder barrel into the pipe.

[0035] In this embodiment, the output end of the air compressor is sealingly connected with the plastic powder barrel, when coating paint is needed, the high-pressure air output by the air compressor pushes the paint into the pipe to form a coating layer by being adsorbed by the inner wall of the pipe in a high temperature state.

[0036] The technical features of the above embodiments can be combined in any way, in order to make the description concise, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.

[0037] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A plastic coated pipe inner suction clamp characterized by, The plastic-coated pipe inner suction clamp comprises a pipe, a powder feeding device, a pair of annular clamps, and a plastic-coated powder barrel. The pipe is sealingly arranged between the pair of annular clamps, the annular clamps include detachably arranged pipe connecting ends and plastic-coated powder feeding ends sealingly connected with the plastic-coated powder barrel, the pipe connecting ends are sealingly connected with the pipe, one end of the annular clamps is provided with the powder feeding device, the powder feeding device can push the powder in the plastic-coated powder barrel through the annular clamps into the pipe, and the pipe connecting ends can be connected with pipes of different diameters.

2. The inside coating absorbing clamp for plastic coated pipe according to claim 1, wherein The pipe connecting end includes a connecting port connected with the pipe and a tapered pressing surface. The connecting port is sealingly connected with the pipe, the tapered pressing surface is integrally formed with the connecting port, the tapered pressing surface extends outward from the connection with the connecting port, and the cross-sectional diameter of the tapered pressing surface gradually increases with the distance away from the connecting port.

3. The inside coating absorbing clamp for plastic coated pipe according to claim 2, wherein The clamping taper angle of the tapered pressing surface is between 50° and 65°.

4. The inside coating absorbing clamp for plastic coated pipe according to claim 2, wherein The connecting port includes at least three pipe connecting end heads. The pipe connecting end heads can be detachably connected one by one, the inner diameter of the pipe connecting end heads decreases in turn as the number of connected pipe connecting end heads increases, and the pipe connecting end heads can be sealingly connected with the pipe with corresponding inner diameters.

5. The painted pipe inner suction clamp of claim 1, wherein, The powder feeding device is sealingly arranged on the pipe connecting end. The powder feeding device includes a vacuum pump and an air suction hose, the vacuum pump is connected in communication with the pipe connecting end of the annular clamp through the air suction hose, and the pipe forms a vacuum environment through the vacuum pump.

6. The painted pipe inner suction clamp of claim 1, wherein, The powder feeding device is sealingly arranged on the plastic-coated powder barrel. The powder feeding device includes an air compressor and an air feeding hose, the output end of the air compressor is sealingly connected in communication with the plastic-coated powder barrel through the air feeding hose, and the compressed air output by the air compressor can push the powder in the plastic-coated powder barrel into the pipe.

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