Heating, plasticizing and extruding device for HDPE (high-density polyethylene) pipe

Abstract

The utility model provides a heating, plasticizing and extruding device for an HDPE (High-Density Polyethylene) pipe, which relates to the technical field of pipe preparation and comprises a plasticizing cylinder, and bearing holes I are formed in the surfaces of the two ends of the plasticizing cylinder in a penetrating manner. According to the utility model, the heat conduction oil is heated by the heating rod, the heat conduction oil transfers heat to the inner cavity of the plasticizing cylinder, and when the average value of data detected and returned by the plurality of temperature sensors is greater than or equal to the set temperature, the power supply to the heating rod is stopped, so that the temperature control of the inner cavity of the plasticizing cylinder is more accurate; the forming quality of the HDPE pipe is prevented from being influenced by too large temperature difference; the first motors and the second motors are started through a control terminal, heated and plasticized raw materials of the HDPE pipe are poured in from an inlet in the top of the feeding port, the output ends of the two second motors rotate towards the inner sides of each other, the crushing rollers are driven to crush the heated and plasticized raw materials of the HDPE pipe, and due to the design, the size of the crushed raw materials is reduced, heating and plasticizing are facilitated, and the service life of the raw materials is prolonged. And the heating and plasticizing efficiency of the device on the HDPE pipe is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe preparation, in particular to a heating and plasticizing extrusion device for a HDPE pipe. Background Art

[0002] HDPE pipe is a new type of lightweight pipe made of high-density polyethylene. It has the characteristics of light weight, high pressure resistance, good toughness, fast construction and long service life. Its excellent pipe wall structure design greatly reduces the cost compared with pipes with other structures. It is widely used at home and abroad due to its convenient and reliable connection, replacing concrete pipes and cast iron pipes in large quantities. In the preparation process of HDPE pipe, a heating and plasticizing extrusion device for HDPE pipe is required.

[0003] However, in the prior art, during the preparation of HDPE pipes using a heating and plasticizing extrusion device for HDPE pipes, it was found that the heating measures in some heating and plasticizing extrusion devices may result in large temperature differences during the heating of the HDPE pipe raw materials, affecting the molding quality of the HDPE pipes; at the same time, some heating and plasticizing extrusion devices do not have crushing measures, and the HDPE pipe raw materials are not crushed, making it inconvenient to plasticize, affecting the heating and plasticizing efficiency of the HDPE pipes. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a heating plasticizing extrusion device for HDPE pipe, comprising: a plasticizing cylinder, the surfaces of both ends of the plasticizing cylinder are penetrated with bearing holes one, the surface of one end of the plasticizing cylinder is fixedly connected to a motor plate one, the top of the plasticizing cylinder is penetrated with a feed trough, the interiors of the two bearing holes one are embedded with augers through bearings, one end of the auger is connected to a motor one, the output end of the motor one is fixedly embedded in the center of one end of the auger, the bottom of the motor one is fixedly connected to the surface of the motor plate one, the interior of the plasticizing cylinder is provided with a heating trough, the interior of the feed trough is provided with a crushing feeding assembly, and the interior of the heating trough is provided with a heating assembly.

[0006] As a preferred embodiment, a control terminal is fixedly connected to the surface of one end of the plasticizing cylinder, support plates are fixedly connected to both sides of the bottom of the plasticizing cylinder, and an extrusion cylinder is connected to the surface of the other end of the plasticizing cylinder.

[0007] As a preferred embodiment, the crushing feeding assembly includes a feed port, one side of the feed port is fixedly connected to two motor plates 2, both sides of the feed port are penetrated by two bearing holes 2, two opposite ones of the four bearing holes 2 form a group, crushing rollers are embedded in the interiors of the two groups of bearing holes 2 through bearings, one end of the two crushing rollers is connected to motor 2, the output ends of the two motors 2 are fixedly embedded in the center of one end of the two crushing rollers, and the bottoms of the two motors 2 are fixedly connected to the surface of motor plate 2.

[0008] As a preferred embodiment, the heating assembly includes a plurality of heating rods, heat transfer oil and a plurality of temperature sensors.

[0009] As a preferred embodiment, the surface of the bottom of the feed port is fixedly embedded in the inside of the feed trough.

[0010] As a preferred embodiment, both ends of the multiple heating rods are fixedly connected to the two ends of the inner cavity of the heating tank, the heat transfer oil is filled in the inner cavity of the heating tank, and the multiple temperature sensors are evenly divided into three groups, and one end of the three groups of temperature sensors are equidistantly fixedly connected to the inner side of the inner cavity of the heating tank.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. The utility model connects the device with an external power supply device, and the external power supply device provides power to the control terminal, motor one, motor two, heating rod and temperature sensor. The control terminal is electrically connected to motor one, motor two and heating rod and is controlled in association. The temperature sensor can monitor the temperature of the heat transfer oil filled in the inner cavity of the heating tank in real time and send the information to the control terminal; the heating temperature is set by the control terminal and the external power supply device is controlled by the control terminal to supply power to the heating rod. The heating rod heats the heat transfer oil, and the heat transfer oil transfers heat to the inner cavity of the plasticizing cylinder. When the average value of the data sent back by multiple temperature sensors is greater than or equal to the set temperature, the control terminal controls the external power supply device to stop supplying power to the heating rod. When the temperature is less than the set temperature, the control terminal controls the external power supply device to continue supplying power to the heating rod. This design makes the temperature control of the inner cavity of the plasticizing cylinder more accurate, avoiding excessive temperature differences that affect the molding quality of the HDPE pipe.

[0013] 2. The utility model waits for the temperature displayed on the control terminal to reach the set temperature, then starts motor 1 and motor 2 through the control terminal, pours the heated and plasticized raw material of the HDPE pipe from the inlet at the top of the feed port, and the output ends of the two motors 2 rotate inwards of each other, driving the crushing rollers to crush the heated and plasticized raw material of the HDPE pipe. In this design, the volume of the raw material after crushing becomes smaller, which is convenient for heating and plasticizing, and improves the efficiency of this device for heating and plasticizing the HDPE pipe. The crushed raw material falls into one end of the auger, and the auger rotates driven by motor 1 to transport the raw material to the other end of the plasticizing cylinder after heating and plasticizing, and is shaped and extruded out of this device by the extrusion cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of an overview of a heating and plasticizing extrusion device for a HDPE pipe provided by the utility model;

[0015] Figure 2 A side view of a heating and plasticizing extrusion device for a HDPE pipe provided by the utility model;

[0016] Figure 3 This is a front cross-sectional view of a heating and plasticizing extrusion device for a HDPE pipe provided by the utility model;

[0017] Figure 4 A side cross-sectional view of a heating and plasticizing extrusion device for a HDPE pipe provided by the utility model;

[0018] Figure 5 A side view temperature sensor distribution diagram of a heating and plasticizing extrusion device for a HDPE pipe provided by the utility model.

[0019] Legend:

[0020] 1. Plasticizing cylinder; 101. Control terminal; 102. Support plate; 103. Bearing hole one; 104. Feed trough; 105. Motor plate one; 106. Auger; 107. Motor one; 108. Extrusion cylinder; 109. Heating trough; 2. Crushing and feeding assembly; 201. Feeding port; 202. Motor plate two; 203. Bearing hole two; 204. Crushing roller; 205. Motor two; 3. Heating assembly; 301. Heating rod; 302. Thermal oil; 303. Temperature sensor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a heating plasticizing extrusion device for HDPE pipe, comprising: a plasticizing cylinder 1, the surfaces of both ends of the plasticizing cylinder 1 are penetrated with bearing holes 103, the surface of one end of the plasticizing cylinder 1 is fixedly connected with a motor plate 105, the top of the plasticizing cylinder 1 is penetrated with a feed trough 104, the interiors of the two bearing holes 103 are embedded with auger 106 through bearings, one end of the auger 106 is connected with a motor 107, the output end of the motor 107 is fixedly embedded at the center of one end of the auger 106, the bottom of the motor 107 is fixedly connected to the surface of the motor plate 105, the interior of the plasticizing cylinder 1 is provided with a heating trough 109, the interior of the feed trough 104 is provided with a crushing feed component 2, and the interior of the heating trough 109 is provided with a heating component 3.

[0023] Specifically: the heating rod 301 heats the heat-conducting oil 302, and the heat-conducting oil 302 transfers the heat to the inner cavity of the plasticizing cylinder 1. When the average value of the data sent back by the multiple temperature sensors 303 is greater than or equal to the set temperature, otherwise the power supply to the heating rod 301 is stopped. This design makes the temperature control of the inner cavity of the plasticizing cylinder 1 more accurate, avoiding excessive temperature differences that affect the molding quality of the HDPE pipe; the motor 1 107 and the motor 2 205 are started by the control terminal 101, and the heated and plasticized raw materials of the HDPE pipe are poured from the inlet at the top of the feed port 201. The output ends of the two motors 205 rotate inwardly toward each other, driving the crushing roller 204 to crush the heated and plasticized raw materials of the HDPE pipe. This design reduces the volume of the raw materials after crushing, facilitates heating and plasticizing, and improves the efficiency of this device in heating and plasticizing the HDPE pipe.

[0024] In one embodiment, a control terminal 101 is fixedly connected to the surface of one end of the plasticizing cylinder 1 , support plates 102 are fixedly connected to both sides of the bottom of the plasticizing cylinder 1 , and an extrusion cylinder 108 is connected to the surface of the other end of the plasticizing cylinder 1 .

[0025] Specifically: the extrusion barrel 108 can be replaced according to production requirements.

[0026] In one embodiment, the crushing feed assembly 2 includes a feed port 201, one side of which is fixedly connected to two motor plates 202, and two bearing holes 203 are penetrated on both sides of the feed port 201. Two opposite bearing holes 203 form a group, and crushing rollers 204 are embedded in the interiors of the two groups of bearing holes 203 through bearings. One end of the two crushing rollers 204 is connected to a motor 205, and the output ends of the two motors 205 are fixedly embedded in the center of one end of the two crushing rollers 204, and the bottoms of the two motors 205 are fixedly connected to the surface of the motor plate 202.

[0027] Specifically: start motor 1 107 and motor 2 205 through control terminal 101, pour the heated and plasticized raw materials of HDPE pipe from the inlet at the top of feed port 201, and the output ends of two motors 205 rotate inwards of each other, driving the crushing roller 204 to crush the heated and plasticized raw materials of HDPE pipe. In this design, the volume of the raw materials after crushing becomes smaller, which is convenient for heating and plasticizing, thereby improving the efficiency of this device for heating and plasticizing HDPE pipe.

[0028] In one embodiment, the heating assembly 3 includes a plurality of heating rods 301 , heat transfer oil 302 and a plurality of temperature sensors 303 .

[0029] Specifically: the heating temperature is set by the control terminal 101, and the control terminal 101 controls the external power supply device to supply power to the heating rod 301. The heating rod 301 heats the heat transfer oil 302, and the heat transfer oil 302 transfers the heat to the inner cavity of the plasticizing cylinder 1. When the average value of the data returned by the multiple temperature sensors 303 is greater than or equal to the set temperature, the control terminal 101 controls the external power supply device to stop supplying power to the heating rod 301. When the temperature is less than the set temperature, the control terminal 101 controls the external power supply device to continue supplying power to the heating rod 301. This design makes the temperature control of the inner cavity of the plasticizing cylinder 1 more accurate, avoiding excessive temperature differences that affect the molding quality of the HDPE pipe.

[0030] In one embodiment, the surface of the bottom of the feed port 201 is fixedly embedded in the feed trough 104 .

[0031] Specifically, the crushed raw material falls into one end of the auger 106, and the auger 106 rotates under the drive of the motor 107, and the raw material is heated and plasticized and transported to the other end of the plasticizing cylinder 1, and is shaped and extruded from this device through the extrusion cylinder 108.

[0032] In one embodiment, both ends of multiple heating rods 301 are fixedly connected to the two ends of the inner cavity of the heating tank 109, the heat transfer oil 302 is filled in the inner cavity of the heating tank 109, and multiple temperature sensors 303 are evenly divided into three groups. Each group of temperature sensors 303 is arranged in a circle in the inner cavity of the heating tank 109, and each group is equidistantly connected to the inner side of the heating tank 109.

[0033] Specifically: the temperature sensor 303 can monitor the temperature of the heat transfer oil 302 filled in the inner cavity of the heating tank 109 in real time and send the information to the control terminal 101. The control terminal 101 can calculate the data sent back by multiple temperature sensors 303, take the average of multiple data, and display it on the panel of the control terminal 101.

[0034] Working principle: connect the device to an external power supply device, the external power supply device provides power to the control terminal 101, the motor 1 107, the motor 205, the heating rod 301 and the temperature sensor 303, the control terminal 101 is electrically connected to the motor 1 107, the motor 205 and the heating rod 301 and associated control, the temperature sensor 303 can monitor the temperature of the heat transfer oil 302 filled in the inner cavity of the heating tank 109 in real time and send the information to the control terminal 101; set the heating temperature through the control terminal 101 and control the external power supply device to supply power to the heating rod 301 through the control terminal 101, the heating rod 301 heats the heat transfer oil 302, and the heat transfer oil 302 transfers the heat to the inner cavity of the plasticizing cylinder 1, when the average value of the data returned by the multiple temperature sensors 303 is greater than or equal to the set temperature, the control terminal 101 controls the external power supply device to stop supplying power to the heating rod 301, and when the temperature is less than the set temperature, the control terminal 101 controls the external power supply device to stop supplying power to the heating rod 301 1 controls the external power supply device to continue to supply power to the heating rod 301. This design makes the temperature control of the inner cavity of the plasticizing cylinder 1 more accurate, avoiding excessive temperature differences that affect the molding quality of the HDPE pipe; after waiting for the temperature displayed on the control terminal 101 to reach the set temperature, the motor 107 and the motor 205 are started through the control terminal 101, and the heated and plasticized raw materials of the HDPE pipe are poured from the entrance at the top of the feed port 201. The output ends of the two motors 205 rotate toward each other, driving the crushing roller 204 to crush the heated and plasticized raw materials of the HDPE pipe. This design reduces the volume of the raw materials after crushing, facilitates heating and plasticizing, and improves the efficiency of this device for heating and plasticizing the HDPE pipe; the crushed raw materials fall into one end of the auger 106, and the auger 106 rotates under the drive of the motor 107, and the raw materials are heated and plasticized and transported to the other end of the plasticizing cylinder 1, and the device is extruded through the extrusion cylinder 108.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A heating and plasticizing extrusion device for HDPE pipe, characterized in that: include: A plasticizing cylinder (1), wherein the surfaces of both ends of the plasticizing cylinder (1) are penetrated with bearing holes (103), the surface of one end of the plasticizing cylinder (1) is fixedly connected to a motor plate (105), a feed trough (104) is penetrated through the top of the plasticizing cylinder (1), an auger (106) is embedded in the two bearing holes (103) through bearings, one end of the auger (106) is connected to a motor (107), the output end of the motor (107) is fixedly embedded in the center of one end of the auger (106), the bottom of the motor (107) is fixedly connected to the surface of the motor plate (105), a heating trough (109) is opened in the plasticizing cylinder (1), a crushing feed assembly (2) is arranged in the feed trough (104), and a heating assembly (3) is arranged in the heating trough (109); The heating component (3) comprises a plurality of heating rods (301), heat transfer oil (302) and a plurality of temperature sensors (303); Both ends of the plurality of heating rods (301) are fixedly connected to both ends of the inner cavity of the heating tank (109), the inner cavity of the heating tank (109) is filled with the heat transfer oil (302), and the plurality of temperature sensors (303) are evenly divided into three groups, and one end of the three groups of temperature sensors (303) are fixedly connected to the inner side of the inner cavity of the heating tank (109) at equal distances.

2. The heating and plasticizing extrusion device for HDPE pipe according to claim 1, characterized in that: A control terminal (101) is fixedly connected to the surface of one end of the plasticizing cylinder (1), support plates (102) are fixedly connected to both sides of the bottom of the plasticizing cylinder (1), and an extrusion cylinder (108) is connected to the surface of the other end of the plasticizing cylinder (1).

3. The heating and plasticizing extrusion device for HDPE pipe according to claim 1, characterized in that: The crushing feed assembly (2) comprises a feed port (201), one side of the feed port (201) is fixedly connected to two motor plates (202), both sides of the feed port (201) are penetrated by two bearing holes (203), two opposite bearing holes (203) form a group, crushing rollers (204) are embedded in the two groups of bearing holes (203) through bearings, one end of the two crushing rollers (204) is connected to a motor (205), the output ends of the two motors (205) are fixedly embedded in the center of one end of the two crushing rollers (204), and the bottoms of the two motors (205) are fixedly connected to the surface of the motor plate (202).

4. The heating and plasticizing extrusion device for HDPE pipe according to claim 3, characterized in that: The surface of the bottom of the feed port (201) is fixedly embedded in the inside of the feed trough (104).

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