Sizing device for PE pipe production

Abstract

The utility model relates to the technical field of PE pipe production, in particular to a sizing device for PE pipe production, which comprises a base, through holes are formed in the left side wall and the right side wall of a sizing box body in a penetrating manner, a sizing outer pipe communicated with the two through holes is fixedly connected in the sizing box body, and a plurality of uniformly distributed water outlet holes are formed in the outer wall of the sizing outer pipe in a penetrating manner. The booster pump conveys cold water in the water storage tank into the sizing box body through the conveying pipeline, and then the cold water enters the sizing outer pipe through the water outlet holes, so that the cold water is in direct contact with the PE pipe in the sizing outer pipe, the PE pipe is cooled and shaped through the cold water, and the cold water is in direct contact with the PE pipe, so that the low temperature in the cold water can be fully utilized; the cooling and shaping efficiency of the PE pipe is improved, meanwhile, a layer of water film is formed on the inner wall of the sizing outer pipe through water, the friction force between the PE pipe and the inner wall of the sizing outer pipe can be reduced through the water film, and the PE pipe can smoothly move in the sizing outer pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to PE tubular product production technical field, concretely is a sizing device for PE tubular product production. BACKGROUND

[0002] PE is the English abbreviation of polyethylene, and PE tubular product refers to tubular product with polyethylene as main raw material. The application range of PE tubular product water supply pipeline is below 40 DEG C temperature, and it cannot be used for hot water delivery pipeline. PE tubular product is a kind of high-crystallinity, non-polar thermoplastic resin. The original HDPE is milky white, and the micro-thin section is translucent to a certain extent.

[0003] The existing sizing device for PE tubular product production generally cools and shapes PE tubular product by cooling liquid. However, in the cooling and shaping process, PE tubular product does not directly contact with cooling liquid, and the heat between PE tubular product and cooling liquid is exchanged by heat conduction material. However, the heat between PE tubular product and cooling liquid cannot be completely exchanged by heat conduction material, the low temperature in cooling liquid cannot be fully utilized, and the cooling and shaping efficiency of PE tubular product is low. UTILITY MODEL CONTENT

[0004] The utility model discloses a sizing device for PE tubular product production, which has the characteristics of direct contact between cooling liquid and PE tubular product, full utilization of low temperature in cooling liquid, and improvement of the cooling and shaping efficiency of PE tubular product.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sizing device for PE tubular product production, comprising a base, the upper end surface of the base is fixedly connected with a tubular product extruder body, the upper end surface of the base is fixedly connected with a sizing box body located at the left side of the tubular product extruder body, the tubular product extruder body and the sizing box body are connected through a pipeline, the left side wall of the tubular product extruder body is fixedly connected with a sizing inner rod, the other end of the sizing inner rod extends to the left side of the sizing box body.

[0006] The left and right side walls of the sizing box body are both provided with through holes, the sizing box body is fixedly connected with a sizing outer pipe which communicates with the two through holes, the outer wall of the sizing outer pipe is provided with a plurality of uniformly distributed water outlets, the upper end surface of the base is fixedly connected with a water storage tank located below the sizing box body, the water storage tank and the sizing box body are communicated with a conveying pipeline, and the lower end of the conveying pipeline extends to the inside of the water storage tank and is provided with a booster pump.

[0007] In order to recycle water, as a preferred sizing device for PE tubular product production of the utility model, the left side wall of the sizing box body is fixedly connected with a water receiving tank located below the left side through hole, and the water receiving tank and the water storage tank are communicated with a reflux pipeline.

[0008] In order to cool the water in the water storage tank, as a kind of PE pipe production sizing device preferred, the inside lower end of the water storage tank is provided with a plurality of left and right distribution refrigeration pipes.

[0009] In order to detect the temperature and liquid level of the water in the water storage tank, as a kind of PE pipe production sizing device preferred, the inside upper end and the inside right side of the water storage tank are respectively provided with a laser range finder and a water temperature detector.

[0010] In order to warn the staff, as a kind of PE pipe production sizing device preferred, the upper end surface of the base is provided with an alarm located between the pipe extruder body and the sizing box body and electrically connected with the laser range finder and the water temperature detector.

[0011] In order to filter the water into the water receiving tank, as a kind of PE pipe production sizing device preferred, the upper end surface of the water receiving tank is provided with a mesh structure.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] Start the booster pump, the booster pump is transported to the cold water in the water storage tank through the pipeline into the sizing box body, then through a plurality of water outlet holes into the sizing outer pipe, so that the cold water is directly contacted with the PE pipe in the sizing outer pipe, the PE pipe is cooled and shaped by the cold water, through the direct contact of the cold water and the PE pipe, the low temperature in the cold water can be fully utilized to improve the cooling and shaping efficiency of the PE pipe, at the same time, a layer of water film is formed on the inner wall of the sizing outer pipe, the friction between the PE pipe and the inner wall of the sizing outer pipe can be reduced through the water film, so that the PE pipe moves smoothly in the sizing outer pipe. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall structure schematic diagram of the utility model;

[0015] Fig. 2 It is the front view cross section structure schematic diagram of the utility model;

[0016] Fig. 3 It is the left view cross section structure schematic diagram of the utility model;

[0017] In the drawing: 1, base;2, pipe extruder body;3, sizing box body;4, sizing inner rod;5, through hole;6, sizing outer pipe;7, water outlet hole;8, water storage tank;9, pipeline;10, booster pump;11, water receiving tank;12, backflow pipe;13, refrigeration pipe;14, laser range finder;15, water temperature detector;16, alarm. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is 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 used to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0019] Please refer to Figs. 1 to 3 A sizing device for PE pipe production, including base 1, the upper end surface of base 1 is fixedly connected with pipe extruder body 2, the upper end surface of base 1 is fixedly connected with the sizing box body 3 located at the left side of pipe extruder body 2, the sizing box body 3 is connected with pipe extruder body 2 through pipeline, the left side wall of pipe extruder body 2 is fixedly connected with sizing inner rod 4, the other end of sizing inner rod 4 extends to the left side of sizing box body 3;

[0020] The left and right side walls of sizing box body 3 are both through and provided with through hole 5, the inside of sizing box body 3 is fixedly connected with sizing outer pipe 6 communicated with two through holes 5, the outer wall of sizing outer pipe 6 is through and provided with multiple evenly distributed water outlets 7, the upper end surface of base 1 is fixedly connected with water storage tank 8 located below sizing box body 3, water storage tank 8 and sizing box body 3 are communicated with conveying pipeline 9, the lower end of conveying pipeline 9 extends to the inside of water storage tank 8 and is installed with booster pump 10.

[0021] In this embodiment: when in use, the pipe extruder body 2 transports the PE pipe raw material after melting to the sizing outer tube 6 through the pipeline and the through hole 5 located on the right side, so that the PE pipe raw material after melting is located in the gap between the sizing inner rod 4 and the sizing outer tube 6, then the booster pump 10 is started, the booster pump 10 transports the cold water in the water storage tank 8 to the sizing box body 3 through the delivery pipeline 9, and then enters the sizing outer tube 6 through a plurality of water outlets 7, so that the cold water directly contacts with the PE pipe in the sizing outer tube 6, and the PE pipe is cooled and shaped by the cold water, and through the direct contact between the cold water and the PE pipe, the low temperature in the cold water can be fully utilized to improve the cooling and shaping efficiency of the PE pipe, and at the same time, a water film is formed on the inner wall of the sizing outer tube 6, and the water film can reduce the friction between the PE pipe and the inner wall of the sizing outer tube 6, so that the PE pipe smoothly moves in the sizing outer tube 6.

[0022] As a technical optimization scheme of the utility model, the left side wall of the sizing box body 3 is fixedly connected with a water receiving tank 11 located below the left side through hole 5, and a backflow pipeline 12 is in communication between the water receiving tank 11 and the water storage tank 8.

[0023] In this embodiment: since the right end of the sizing outer tube 6 is blocked by the PE pipe raw material after melting, the water in the sizing outer tube 6 can only be discharged from the through hole 5 located on the left side along with the movement of the PE pipe, and then the discharged water flows into the water receiving tank 11, and then flows back to the water storage tank 8 through the backflow pipeline 12, so that the water is recycled.

[0024] As a technical optimization scheme of the utility model, a plurality of left and right distributed refrigeration pipes 13 are installed at the inner lower end of the water storage tank 8.

[0025] In this embodiment: the refrigeration pipes 13 can cool the water in the water storage tank 8.

[0026] As a technical optimization scheme of the utility model, a laser range finder 14 and a water temperature detector 15 are respectively installed at the inner upper end and the inner right side of the water storage tank 8.

[0027] In this embodiment: the laser range finder 14 can detect the liquid level of the water in the water storage tank 8, and the water temperature detector 15 can detect the temperature of the water in the water storage tank 8.

[0028] As a technical optimization scheme of the utility model, an alarm 16 is installed on the upper end surface of the base 1 and is electrically connected with the laser range finder 14 and the water temperature detector 15 and is located between the pipe extruder body 2 and the sizing box body 3.

[0029] In this embodiment: when the liquid level of the water in the water storage tank 8 is lower than the set value, or the temperature of the water in the water storage tank 8 exceeds the set value, the alarm 16 gives an alarm to warn the staff.

[0030] As a technical optimization scheme of the utility model, the upper end face of the water receiving tank 11 is provided with a mesh structure.

[0031] In this embodiment, the upper end face of the water receiving tank 11 is provided with a mesh structure, which can filter the water entering the water receiving tank 11.

[0032] Working principle: when in use, the pipe extruder body 2 delivers the melted PE pipe material into the sizing outer pipe 6 through the pipeline and the through hole 5 located at the right side, so that the melted PE pipe material is located in the gap between the sizing inner rod 4 and the sizing outer pipe 6, then the booster pump 10 is started, the booster pump 10 delivers the cold water in the water storage tank 8 into the sizing tank body 3 through the delivery pipeline 9, then enters the sizing outer pipe 6 through the plurality of water outlets 7, so that the cold water directly contacts with the PE pipe material in the sizing outer pipe 6, and the PE pipe material is cooled and shaped through the cold water, through the direct contact between the cold water and the PE pipe material, the low temperature in the cold water can be fully utilized to improve the cooling and shaping efficiency of the PE pipe material, at the same time, a layer of water film is formed on the inner wall of the sizing outer pipe 6, the friction between the PE pipe material and the inner wall of the sizing outer pipe 6 can be reduced through the water film, so that the PE pipe material moves smoothly in the sizing outer pipe 6;

[0033] Since the right end of the sizing outer pipe 6 is blocked by the melted PE pipe material, the water in the sizing outer pipe 6 can only be discharged from the through hole 5 located at the left side along with the movement of the PE pipe material, then the discharged water flows into the water receiving tank 11, then flows back to the water storage tank 8 through the backflow pipeline 12, so that the water is recycled, when the water flows back to the water storage tank 8, the water in the water storage tank 8 is cooled through the refrigeration pipe 13, so that the water in the water storage tank 8 keeps low temperature;

[0034] When the liquid level of the water in the water storage tank 8 is lower than the set value, or the temperature of the water in the water storage tank 8 exceeds the set value, the alarm 16 gives an alarm to warn the staff.

[0035] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sizing device for PE pipe production comprising a base (1), characterized in that: The upper end surface of the base (1) is fixedly connected with a pipe extruder body (2), the upper end surface of the base (1) is fixedly connected with a sizing box body (3) located on the left side of the pipe extruder body (2), the sizing box body (3) and the pipe extruder body (2) are connected through a pipeline, the left side wall of the pipe extruder body (2) is fixedly connected with a sizing inner rod (4), the other end of the sizing inner rod (4) extends to the left side of the sizing box body (3); The left and right side walls of the sizing box body (3) are both provided with through holes (5), the inside of the sizing box body (3) is fixedly connected with a sizing outer pipe (6) in communication with the two through holes (5), the outer wall of the sizing outer pipe (6) is provided with a plurality of uniformly distributed water outlet holes (7), the upper end surface of the base (1) is fixedly connected with a water storage tank (8) located below the sizing box body (3), the water storage tank (8) and the sizing box body (3) are communicated through a conveying pipeline (9), the lower end of the conveying pipeline (9) extends to the inside of the water storage tank (8) and is provided with a booster pump (10).

2. The sizing device for PE pipe production according to claim 1, characterized in that: The left side wall of the sizing box body (3) is fixedly connected with a water collecting tank (11) located below the left through hole (5), the water collecting tank (11) and the water storage tank (8) are communicated through a return pipeline (12).

3. The sizing device for PE pipe production according to claim 1, characterized in that: The inside lower end of the water storage tank (8) is provided with a plurality of left and right distributed refrigeration pipes (13).

4. The sizing device for PE pipe production according to claim 1, characterized in that: The inside upper end and the inside right side of the water storage tank (8) are respectively provided with a laser range finder (14) and a water temperature detector (15).

5. The sizing device for PE pipe production according to claim 4, characterized in that: The upper end surface of the base (1) is provided with an alarm (16) located between the pipe extruder body (2) and the sizing box body (3) and electrically connected with the laser range finder (14) and the water temperature detector (15) respectively.

6. The sizing device for PE pipe production according to claim 2, characterized in that: The upper end surface of the water collecting tank (11) is provided with a mesh structure.

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