Novel chlorinated polyvinyl chloride pipe production equipment

Abstract

The utility model provides novel chlorinated polyvinyl chloride pipe production equipment which comprises an extruder shell, a gear box and a motor are arranged on one side of the extruder shell, a spiral feeder is in flange connection with a feeding opening in the upper portion of the extruder shell, and a hopper is in flange connection with a feeding opening in the upper end of the spiral feeder. And an extrusion die is mounted at the discharge hole of the extruder shell. Due to the arrangement of the support, the circulating pump, the refrigeration heat exchange box, the heating heat exchange box, the cold medium outlet pipe, the cold medium inlet pipe, the hot medium inlet pipe and the hot medium outlet pipe, the extrusion die can be cooled during production, and when the extrusion die is disassembled and overhauled, the extrusion die can be heated, so that a pipe in a forming cavity of the extrusion die can be taken out conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe production, and in particular relates to a novel chlorinated polyvinyl chloride pipe production equipment. Background Art

[0002] At present, in the production of chlorinated polyvinyl chloride pipes, it is usually necessary to use extrusion equipment to heat chlorinated polyvinyl chloride particles to a molten state and cool them to shape. The existing extrusion production equipment usually includes an extruder body, one end of the extruder body is equipped with a drive assembly consisting of a motor and a reduction gear box, and the other end is equipped with an extrusion die. The extrusion die of some extrusion production equipment is provided with a cavity and a cooling medium that can cool and shape the pipe. However, when this extrusion equipment is overhauling the extrusion die, if the pipe in the extrusion die is cooled too quickly, it is not convenient to take out the pipe in the extrusion cavity of the extrusion die. When the extrusion die is not provided with a cooling and shaping cavity and a cooling medium, the shaping effect of the pipe is poor. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a novel chlorinated polyvinyl chloride pipe production equipment, which can cool or heat the extrusion die.

[0004] The utility model is realized by the following technical solutions:

[0005] A novel chlorinated polyvinyl chloride pipe production equipment comprises an extruder housing, a gear box and a motor are arranged on one side of the extruder housing, a screw feeder is flange-connected at the upper feed port of the extruder housing, a hopper is flange-connected at the upper feed port of the screw feeder, an extrusion die is installed at the discharge port of the extruder housing, the extrusion die is provided with a cold and hot heat exchange conveyor assembly, the cold and hot heat exchange conveyor assembly comprises a bracket, a refrigeration heat exchange box and a heating heat exchange box, a circulation pump is fixedly installed on the bracket, one end of the refrigeration heat exchange box is flange-connected with a cold medium outlet pipe, the other end of the refrigeration heat exchange box is flange-connected with a cold medium inlet pipe, one end of the heating heat exchange box is flange-connected with a hot medium inlet pipe, and the other end of the refrigeration heat exchange box is flange-connected with a hot medium outlet pipe.

[0006] Preferably, the output shaft of the motor is connected to the input shaft coupling of the gear box, a heating structure and a screw conveying shaft are arranged in the extruder housing, and the screw conveying shaft is connected to the output shaft coupling of the gear box.

[0007] Preferably, one end of the cold medium outlet pipe away from the refrigeration heat exchange box is connected to the inlet flange of the circulation pump.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. In the utility model, the arrangement of the bracket, circulating pump, refrigeration heat exchange box, heating heat exchange box, cold medium outlet pipe, cold medium inlet pipe, hot medium inlet pipe and hot medium outlet pipe is conducive to cooling the extrusion die during production. When disassembling and repairing the extrusion die, the extrusion die can be heated to facilitate the removal of the pipe in the molding cavity of the extrusion die.

[0010] 2. In the utility model, the arrangement of the extruder housing, gear box, motor, screw feeder, hopper and extrusion die is conducive to melt-extruding chlorinated polyvinyl chloride particles into pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a structural schematic diagram of a cold and hot heat exchange conveyor assembly of the utility model.

[0013] In the figure:

[0014] 1. Extruder housing; 2. Gear box; 3. Motor; 4. Screw feeder; 5. Hopper; 6. Extrusion die; 7. Cold and hot heat exchange conveyor assembly; 71. Bracket; 72. Circulation pump; 73. Refrigeration heat exchange box; 74. Heating heat exchange box; 75. Cold medium outlet pipe; 76. Cold medium inlet pipe; 77. Hot medium inlet pipe; 78. Hot medium outlet pipe. DETAILED DESCRIPTION

[0015] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1 As shown, a novel chlorinated polyvinyl chloride pipe production equipment includes an extruder housing 1, a gear box 2 and a motor 3 are arranged on one side of the extruder housing 1, the output shaft of the motor 3 is connected to the input shaft coupling of the gear box 2, a heating structure and a screw conveying shaft are arranged in the extruder housing 1, the screw conveying shaft is connected to the output shaft coupling of the gear box 2, a screw feeder 4 is flange-connected at the upper feed port of the extruder housing 1, a hopper 5 is flange-connected at the upper end feed port of the screw feeder 4, an extrusion die 6 is installed at the discharge port of the extruder housing 1, and the extrusion die 6 is provided with a cold and hot heat exchange conveyor assembly 7.

[0016] In this embodiment, combined with the Figure 2As shown, the cold and hot heat exchange conveyor assembly 7 includes a bracket 71, a refrigeration heat exchange box 73 and a heating heat exchange box 74. The refrigeration heat exchange box 73 adopts a heat exchange box with spiral heat exchange tubes and refrigeration electrical components installed inside, and the heating heat exchange box 74 adopts a heat exchange box with spiral heat exchange tubes and heating electrical components installed inside. A circulating pump 72 is fixedly installed on the bracket 71. One end of the refrigeration heat exchange box 73 is flange-connected with a cold medium outlet pipe 75, and the other end of the refrigeration heat exchange box 73 is flange-connected with a cold medium inlet pipe 76. One end of the heating heat exchange box 74 is flange-connected with a hot medium inlet pipe 77, and the other end of the refrigeration heat exchange box 73 is flange-connected with a hot medium outlet pipe 78. When the pipe is extruded, the heating electrical components of the heating heat exchange box 74 are closed, and the refrigeration heat exchange The refrigeration electrical components of the box 73 are turned on, and the circulating medium in the extrusion die 6, driven by the circulation pump 72, enters the spiral heat exchange tube of the refrigeration heat exchange box 73 through the cold medium inlet pipe 76 for refrigeration, and then enters the extrusion die 6 through the hot medium inlet pipe 77, the spiral heat exchange tube in the heating heat exchange box 74 and the hot medium outlet pipe 78, thereby cooling and shaping the extruded pipe. When overhauling, the heating electrical components of the heating heat exchange box 74 are turned on, and the refrigeration electrical components of the refrigeration heat exchange box 73 are turned off. The heating heat exchange box 74 heats the circulating medium in the extrusion die 6 to avoid the situation where the pipe is cooled and it is inconvenient to take it out from the extrusion hole when the extrusion die 6 is disassembled for overhaul, thereby realizing the functions of cooling and heating the extrusion die 6.

[0017] In this embodiment, specifically, one end of the cold medium outlet pipe 75 away from the refrigeration heat exchange box 73 is connected to the inlet flange of the circulation pump 72 .

[0018] In this embodiment, specifically, one end of the cold medium inlet pipe 76 away from the refrigeration heat exchange box 73 is connected to the outlet flange of the circulating medium of the extrusion die 6 .

[0019] In this embodiment, specifically, one end of the heat medium inlet pipe 77 away from the heating heat exchange box 74 is connected to the outlet flange of the circulation pump 72 .

[0020] In this embodiment, specifically, one end of the heat medium outlet pipe 78 away from the heating heat exchange box 74 is connected to the inlet flange of the circulating medium of the extrusion die 6 .

[0021] How it works

[0022] In the utility model, the user puts the chlorinated polyvinyl chloride particles into the hopper 5, connects the motor 3, the screw feeder 4 and the circulation pump 72 to the external power supply, and the heating structure of the extruder housing 1 heats the chlorinated polyvinyl chloride particles to a molten state. The motor 3 drives the screw conveying shaft to rotate through the gear box 2 to convey the chlorinated polyvinyl chloride material, so that the chlorinated polyvinyl chloride material is extruded into a tube through the extrusion die 6.

[0023] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A new type of chlorinated polyvinyl chloride pipe production equipment, characterized in that: The novel chlorinated polyvinyl chloride pipe production equipment comprises an extruder housing (1), a gear box (2) and a motor (3) are arranged on one side of the extruder housing (1), a screw feeder (4) is flange-connected at the upper feed port of the extruder housing (1), a hopper (5) is flange-connected at the upper feed port of the screw feeder (4), an extrusion die (6) is installed at the discharge port of the extruder housing (1), the extrusion die (6) is provided with a cold and hot heat exchange conveyor assembly (7), and the cold and hot heat exchange conveyor assembly (8) is provided with a cold and hot heat exchange conveyor assembly (9). The machine assembly (7) comprises a bracket (71), a refrigeration heat exchange box (73) and a heating heat exchange box (74); a circulation pump (72) is fixedly mounted on the bracket (71); one end of the refrigeration heat exchange box (73) is flange-connected to a cold medium outlet pipe (75); the other end of the refrigeration heat exchange box (73) is flange-connected to a cold medium inlet pipe (76); one end of the heating heat exchange box (74) is flange-connected to a hot medium inlet pipe (77); the other end of the refrigeration heat exchange box (73) is flange-connected to a hot medium outlet pipe (78).

2. The novel chlorinated polyvinyl chloride pipe production equipment as claimed in claim 1 is characterized in that: The output shaft of the motor (3) is connected to the input shaft coupling of the gear box (2); a heating structure and a screw conveying shaft are arranged in the extruder housing (1); and the screw conveying shaft is connected to the output shaft coupling of the gear box (2).

3. The novel chlorinated polyvinyl chloride pipe production equipment as claimed in claim 1 is characterized in that: One end of the cold medium outlet pipe (75) away from the refrigeration heat exchange box (73) is connected to the inlet flange of the circulation pump (72).

4. The novel chlorinated polyvinyl chloride pipe production equipment as claimed in claim 1 is characterized in that: One end of the cold medium inlet pipe (76) away from the refrigeration heat exchange box (73) is connected to the outlet flange of the circulating medium of the extrusion die (6).

5. The novel chlorinated polyvinyl chloride pipe production equipment as claimed in claim 1 is characterized in that: One end of the heat medium inlet pipe (77) away from the heating heat exchange box (74) is connected to the outlet flange of the circulation pump (72).

6. The novel chlorinated polyvinyl chloride pipe production equipment as claimed in claim 1 is characterized in that: One end of the heat medium outlet pipe (78) away from the heating heat exchange box (74) is connected to the inlet flange of the circulating medium of the extrusion die (6).

Images