HDPE (high-density polyethylene) double-wall corrugated pipe cooling device

The HDPE double-wall corrugated pipe cooling apparatus addresses uneven cooling by using a movable cooling disk with misting nozzles to uniformly cool the pipe with flowing water, enhancing heat transfer and adapting to different diameters.

CN223099914UActive Publication Date: 2025-07-15YANTAI SHENGPENGTAI ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202421944950.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-07-15
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

During the cooling process of existing HDPE double-wall corrugated pipes, stationary water causes uneven cooling temperature distribution and unsatisfactory cooling effect.

Method used

The corrugated pipe is cooled by multiple sets of atomization nozzles. The height of the cooling plate can be adjusted to accommodate different pipe diameters. The cooling effect is improved by using the renewal and convection effect of the flowing water.

Benefits of technology

The uniform cooling of the corrugated pipe is achieved, and the cooling efficiency and scope of application are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an HDPE double-wall corrugated pipe cooling device which comprises a cooling device body, the cooling device body is installed on a corrugated pipe machining table, an extruder is installed on the corrugated pipe machining table, and meanwhile a corrugated pipe body is machined and formed in the extruder. The cooling device body comprises a collecting box, the collecting box is covered with a corrugated pipe body, meanwhile, a cooling disc is arranged on the outer side of the corrugated pipe body, multiple sets of atomizing nozzles are evenly installed at the bottom of the cooling disc, and a fixing base is installed on the surface of the corrugated pipe machining table in a threaded connection mode. According to the HDPE double-wall corrugated pipe cooling device, water enters the cooling disc and is sprayed out from the multiple sets of atomization nozzles, the multiple sets of atomization nozzles are annularly arranged on the surface of the outer side of the corrugated pipe body, and the corrugated pipe body just formed at high temperature can be sufficiently and evenly cooled; the flowing cooling water is used for replacing static water to cool the corrugated pipe body, and the cooling effect on the corrugated pipe body is improved.
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Description

Technical Field

[0001] The utility model relates to the field of bellows processing, in particular to a cooling device for HDPE double-wall bellows. Background Technique

[0002] The processing of HDPE double-wall bellows generally includes the following steps:

[0003] Material preparation: Select high-density polyethylene (HDPE) material and ensure that its quality meets the requirements;

[0004] Extrusion molding: Heat the HDPE material to a molten state and then extrude it into a tubular shape through an extruder;

[0005] Mold forming: Use a specific mold to form the extruded tubular material into the shape of a double-wall bellows;

[0006] Cooling and shaping: Let the formed bellows pass through a cooling device to cool and shape it;

[0007] Cutting: Cut the bellows into appropriate lengths according to needs;

[0008] During the cooling and shaping process of HDPE double-wall bellows, the bellows are usually placed inside a water tank, and the cooling water inside the water tank is static. The static water easily causes local overheating of the bellows, resulting in uneven cooling temperature distribution of the bellows; the heat transfer is relatively slow, resulting in an unsatisfactory cooling effect. Content of the Utility Model

[0009] The purpose of the utility model is to provide a cooling device for HDPE double-wall bellows to solve the defects mentioned in the above background technique.

[0010] To achieve the above purpose, a cooling device for HDPE double-wall bellows is provided, including a cooling device body. The cooling device body is installed on a bellows processing table, and an extruder is installed on the bellows processing table. At the same time, a bellows body is processed and formed inside the extruder;

[0011] The cooling device body includes a collection box, and the bellows body is covered on the collection box. At the same time, a cooling plate is arranged on the outer side of the bellows body, and a plurality of atomizing nozzles are uniformly installed at the bottom of the cooling plate. A fixing seat is installed on the surface of the bellows processing table by screwing, and the top of the fixing seat is fixedly connected to an installation frame. At the same time, a cylinder is installed in the middle of the surface of the installation frame, and the telescopic rod at the bottom of the cylinder is fixedly connected to the middle of the surface of the cooling plate; a drain pipe is installed at the bottom of the collection box, and the drain pipe is arranged inside a bottom opening opened on the bellows processing table.

[0012] Preferably, a left positioning groove is formed on the left side wall of the collection box, and a right positioning groove is formed on the right side wall of the collection box. At the same time, the right positioning groove and the left positioning groove are of the same height.

[0013] Preferably, both the right positioning groove and the left positioning groove are arranged in a "U" shape, and the corrugated pipe body is positioned and installed on the collection box through the right positioning groove and the left positioning groove. The corrugated pipe body is horizontally arranged on the collection box.

[0014] Preferably, an inner cavity is formed inside the cooling disc, and the cooling disc is made of plastic and has a cross-sectional structure in the shape of a "C".

[0015] Preferably, the atomizing nozzles are evenly distributed along the inner wall surface of the cooling disc, and multiple groups of atomizing nozzles are arranged in a ring on the outer surface of the corrugated pipe body. At the same time, a water inlet hose is installed on the cooling disc, and cooling water enters the inside of the inner cavity from the water inlet hose and is ejected from multiple groups of atomizing nozzles to perform water cooling on the surface of the corrugated pipe body.

[0016] Preferably, U-shaped frames are installed on both sides of the bottom of the mounting frame, guide rods are installed inside the U-shaped frames, guide seats are installed on both sides of the surface of the cooling disc, the guide seats are arranged in an "L" shape, and the guide rods are inserted into the guide holes formed inside the guide seats.

[0017] Compared with the prior art, the beneficial effects of the present utility model are:

[0018] 1. Water enters the inside of the cooling disc and is ejected from multiple groups of atomizing nozzles. Multiple groups of atomizing nozzles are arranged in a ring on the outer surface of the corrugated pipe body, which can fully and evenly cool the high-temperature just-formed corrugated pipe body. By using flowing cooling water instead of static water to cool the corrugated pipe body, the cooling effect on the corrugated pipe body is improved;

[0019] Flowing water can more effectively take away the heat on the surface of the pipe body, continuously update the water in contact with the pipe body, thereby improving the heat dissipation efficiency; secondly, flowing water can form better convection and accelerate the speed of heat transfer;

[0020] 2. The height of the disc can be adjusted. By adjusting the height of the cooling disc, it is adapted to cool the corrugated pipe bodies with different pipe diameters, improving the applicable range of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a front view schematic diagram of the structure of the present utility model;

[0022] Figure 2 is the side view of the structure of the present utility model Figure 1 ;

[0023] Figure 3Schematic diagram of the cooling plate of the structure of the present utility model and its installation structure;

[0024] Figure 4 Schematic diagram of the present utility model's device for cooling the corrugated pipe body with a smaller inner diameter;

[0025] Figure 5 Schematic diagram of the present utility model's device for cooling the corrugated pipe body with a larger inner diameter.

[0026] Reference numerals in the figure: 1, extruder; 2, corrugated pipe body; 3, corrugated pipe processing table; 4, cooling device body; 41, fixed seat; 42, collection box; 43, left positioning groove; 44, atomizing nozzle; 45, cooling plate; 46, inner cavity; 47, guiding seat; 48, guiding rod; 481, U-shaped frame; 49, mounting frame; 50, cylinder; 51, right positioning groove; 52, drain pipe; 53, bottom opening. Detailed implementation manner

[0027] Please refer to Figures 1 - 5 , the present utility model provides an HDPE double-wall corrugated pipe cooling device, including a cooling device body 4, the cooling device body 4 is installed on the corrugated pipe processing table 3, and an extruder 1 is installed on the corrugated pipe processing table 3, and at the same time, the corrugated pipe body 2 is processed and formed inside the extruder 1;

[0028] The cooling device body 4 includes a collection box 42, and the collection box 42 covers the corrugated pipe body 2. At the same time, a cooling plate 45 is arranged on the outer side of the corrugated pipe body 2, and a plurality of groups of atomizing nozzles 44 are uniformly installed at the bottom of the cooling plate 45. The surface of the corrugated pipe processing table 3 is screwed and installed with a fixed seat 41, and the top of the fixed seat 41 is fixedly connected to the mounting frame 49. At the same time, a cylinder 50 is installed in the middle of the surface of the mounting frame 49, and the telescopic rod at the bottom of the cylinder 50 is fixedly connected to the middle of the surface of the cooling plate 45; a drain pipe 52 is installed at the bottom of the collection box 42, and the drain pipe 52 is arranged inside the bottom opening 53 opened on the corrugated pipe processing table 3.

[0029] Working principle: When in use, the corrugated pipe body 2 processed by the extruder 1 enters the inside of the collection box 42. At this time, cooling water enters the inside of the cooling plate 45 and is ejected from a plurality of groups of atomizing nozzles 44. The plurality of groups of atomizing nozzles 44 are arranged in a ring on the outer surface of the corrugated pipe body 2, and can perform sufficient and uniform cooling work on the high-temperature and newly formed corrugated pipe body 2. By using flowing cooling water to replace static water body to cool the corrugated pipe body 2, the cooling effect on the corrugated pipe body 2 is improved.

[0030] As a preferred implementation manner, a left positioning groove 43 is opened on the left side wall of the collection box 42, and a right positioning groove 51 is opened on the right side wall of the collection box 42. At the same time, the height of the right positioning groove 51 is the same as that of the left positioning groove 43.

[0031] Both the right positioning groove 51 and the left positioning groove 43 are "U"-shaped, and the corrugated pipe body 2 is positioned and installed on the collection box 42 through the right positioning groove 51 and the left positioning groove 43, and the corrugated pipe body 2 is horizontally arranged on the collection box 42.

[0032] As Figures 1 - 2 shown: The corrugated pipe body 2 is positioned and installed on the collection box 42 through the right positioning groove 51 and the left positioning groove 43. At the same time, the settings of the right positioning groove 51 and the left positioning groove 43 can place the corrugated pipe body 2 horizontally on the collection box 42, and the cooling water sprayed down from multiple groups of atomizing nozzles 44 is used to cool it.

[0033] As a preferred embodiment, an inner cavity 46 is opened inside the cooling plate 45, and the cooling plate 45 is made of plastic and has a cross-section of a "C"-shaped structure.

[0034] The atomizing nozzles 44 are evenly distributed along the inner wall surface of the cooling plate 45, and multiple groups of atomizing nozzles 44 are arranged in a ring on the outer surface of the corrugated pipe body 2. At the same time, a water inlet hose is installed on the cooling plate 45, and the cooling water enters the inner cavity 46 from the water inlet hose and is sprayed out from multiple groups of atomizing nozzles 44 to cool the surface of the corrugated pipe body 2.

[0035] The cooling plate 45 is made of plastic and has a cross-section of a "C"-shaped structure. The cooling plate 45 covers the outside of the corrugated pipe body 2 to fully and evenly cool the corrugated pipe body 2.

[0036] U-shaped frames 481 are installed on both sides of the bottom of the mounting frame 49, a guide rod 48 is installed inside the U-shaped frame 481, and guide seats 47 are installed on both sides of the surface of the cooling plate 45. At the same time, the guide seats 47 are "L"-shaped, and the guide rod 48 is inserted into the guide hole opened inside the guide seat 47.

[0037] The height adjustment method of the cooling plate 45 is: start the external switch of the cylinder 50, and the piston rod of the cylinder 50 drives the cooling plate 45 to lift and lower. When the cooling plate 45 is lifting and lowering, the guide rod 48 is inserted into the guide hole opened inside the guide seat 47 at this time, which can limit and guide the cooling plate 45 during lifting and lowering to prevent the cooling plate 45 from tilting during lifting and lowering.

[0038] The height of the cooling plate 45 can be adjusted. By adjusting the height of the cooling plate 45, it is possible to adapt to cooling the corrugated pipe body 2 with different pipe diameters, improving the application range of this device.

Claims

1. An HDPE double-wall corrugated pipe cooling device, comprising a cooling device body (4), characterized in that: The cooling device body (4) is installed on the corrugated pipe processing table (3), and an extruder (1) is installed on the corrugated pipe processing table (3). Meanwhile, a corrugated pipe body (2) is formed inside the extruder (1). The cooling device body (4) includes a collection box (42), and the collection box (42) covers the corrugated pipe body (2). Meanwhile, a cooling plate (45) is arranged on the outer side of the corrugated pipe body (2), and a plurality of groups of atomizing nozzles (44) are evenly installed at the bottom of the cooling plate (45). A fixing seat (41) is installed on the surface of the corrugated pipe processing table (3) by screwing, and the top of the fixing seat (41) is fixedly connected to the mounting frame (49). Meanwhile, a cylinder (50) is installed in the middle of the surface of the mounting frame (49), and the telescopic rod at the bottom of the cylinder (50) is fixedly connected to the middle of the surface of the cooling plate (45). A drain pipe (52) is installed at the bottom of the collection box (42), and the drain pipe (52) is arranged inside a bottom opening (53) opened on the corrugated pipe processing table (3).

2. The HDPE double-wall corrugated pipe cooling device according to claim 1, characterized in that: A left positioning groove (43) is opened on the left side wall of the collection box (42), and a right positioning groove (51) is opened on the right side wall of the collection box (42). Meanwhile, the height of the right positioning groove (51) is the same as that of the left positioning groove (43).

3. The HDPE double-wall corrugated pipe cooling device according to claim 2, characterized in that: Both the right positioning groove (51) and the left positioning groove (43) are arranged in a "U" shape, and the corrugated pipe body (2) is positioned and installed on the collection box (42) through the right positioning groove (51) and the left positioning groove (43). The corrugated pipe body (2) is horizontally arranged on the collection box (42).

4. The cooling device for HDPE double-wall corrugated pipe according to claim 1, wherein: An inner cavity (46) is opened inside the cooling plate (45), and the cooling plate (45) is made of plastic and has a cross-section in a "C" shape structure.

5. The cooling device for HDPE double-wall corrugated pipe according to claim 1, wherein: The atomizing nozzles (44) are evenly distributed along the inner wall surface of the cooling plate (45), and a plurality of groups of atomizing nozzles (44) are arranged in a ring on the outer surface of the corrugated pipe body (2). Meanwhile, a water inlet hose is installed on the cooling plate (45), and cooling water enters the inner cavity (46) from the water inlet hose and is ejected from the plurality of groups of atomizing nozzles (44) to perform water cooling on the surface of the corrugated pipe body (2).

6. The HDPE double-wall corrugated pipe cooling device according to claim 1, characterized in that: U-shaped frames (481) are installed on both sides of the bottom of the mounting frame (49), and guide rods (48) are installed inside the U-shaped frames (481). Meanwhile, guide seats (47) are installed on both sides of the surface of the cooling plate (45). The guide seats (47) are arranged in an "L" shape, and the guide rods (48) are inserted into the guide holes opened inside the guide seats (47).