CN211616536U

CN211616536U - PE composite pipe co-extrusion device

Info

Publication number: CN211616536U
Application number: CN202020160796.8U
Authority: CN
Inventors: 沈凡成; 姚宗华; 张亚; 杨勇
Original assignee: Sichuan Jinyi Plastic Pipe Industry Co ltd
Current assignee: Sichuan Jinyi Plastic Pipe Industry Co ltd
Priority date: 2020-02-11
Filing date: 2020-02-11
Publication date: 2020-10-02
Anticipated expiration: 2030-02-11

Abstract

The embodiment of the application provides a PE composite pipe is crowded device altogether, which comprises a housing, be provided with motor and horizontally feeding bin on the casing, feeding bin top is provided with the hopper with feeding bin intercommunication, be provided with screw conveyor in the feeding bin, be connected with the pivot between screw conveyor and the motor, one side that the motor was kept away from in feeding bin runs through in the inside of cooling chamber and is connected with the stub bar, be provided with cooling device in the pivot, cooling device is including winding the water tank at the outer cooling water pipe of pivot, storage water source and be used for the water pump that supplies water to the cooling water pipe. The utility model discloses an improve motor life's technological effect.

Description

PE composite pipe co-extrusion device

Technical Field

The application relates to the technical field of PE pipe manufacturing equipment, in particular to a PE composite pipe co-extrusion device.

Background

The extruder, the extruder relies on pressure and shearing force that the screw rotation produced, can make the material fully carry out plastify and evenly mix, through the bush shaping, the plastics extruder can be classified into twin-screw extruder, single screw extruder and rare many screw extruder and no screw extruder basically. After the extruder is used for a long time, if the temperature of the driving motor is too high and the driving motor is not cooled in time, a coil in the motor is easy to burn out, and the service life is influenced.

Chinese utility model patent [ CN201820108359.4 ] discloses a cooling device of production extruder for plastic raw materials, including extruder body and coolant tank, the extrusion tube of extruder body is equipped with cooling water piping, cooling water piping is connected with coolant tank through first cold water pump, the last a plurality of shower nozzles that are equipped with of coolant piping, be equipped with the intercommunication water pipe on the extrusion tube of extruder body, intercommunication water piping connection has the heat exchanger, the heat exchanger is installed on the power mounting bracket of extruder body, the heat exchanger passes through the second cold water pump and is connected with coolant tank's water inlet, be equipped with a plurality of fin on the power mounting bracket of extruder body, be equipped with recirculated cooling water pipe in the power mounting bracket of extruder body, recirculated cooling water pipe is connected with coolant tank. This scheme is through installing the coil additional to the motor thereby dispel the heat to the motor, but the heat is given the coil earlier from the axle and then carries out the heat exchange with the air through the coil and reach the heat dissipation purpose, therefore this kind of radiating mode heat still can be given the coil to it is ageing to accelerate the coil, reduces coil life.

Disclosure of Invention

An object of the embodiment of the application is to provide a PE composite pipe co-extrusion device for realizing the technical effect of prolonging the service life of a motor.

The embodiment of the application provides a PE composite pipe co-extrusion device, which comprises a housing, be provided with motor and horizontally feeding bin on the casing, feeding bin top is provided with the hopper with feeding bin intercommunication, be provided with screw conveyor in the feeding bin, be connected with the pivot between screw conveyor and the motor, one side that the motor was kept away from to the feeding bin is connected with out the stub bar, be provided with cooling device in the pivot, cooling device is including the water tank at the outside cooling water pipe of winding in the pivot, storage water source and be used for the water pump that supplies water to cooling water pipe.

In the above-mentioned realization in-process, during the use, the staff pours plastic granules into the hopper, the motor drives screw conveyor through the pivot and rotates, it melts through extrusion and heating to plastic granules, then form the pipeline through stub bar and mould, the heat transmits the pivot through screw conveyor, the water pump is from the water tank in the pump sending cold water gets into the cooling water pipe, thereby cool off the surface of countershaft, reduce the heat that passes to the motor through the pivot, thereby reduce the temperature of motor, slow down the coil and age, the life of motor is improved.

Furthermore, a flange coupler is arranged between the motor spindle and the rotating shaft, a heat insulation layer is arranged between the two half couplers of the flange coupler, and heat on the rotating shaft is prevented from being transferred to the motor spindle through the coupler by arranging the heat insulation layer between the two half couplers of the flange coupler, so that the service life of the electrode is further prolonged.

Further, the heat insulation layer is an asbestos cloth.

Furthermore, the water tank is connected with a heat exchanger, the heat exchanger directly cools the hot water in the water tank, the water resource is recycled, and the purpose of saving the water resource is achieved.

Furthermore, a preheating pipe is further arranged between the cooling water pipe and the water tank and is arranged on the outer wall of the hopper, hot water cooled by the cooling water pipe can be used for preheating the plastic of the hopper, the plastic melting efficiency is improved, and energy conservation and emission reduction are achieved.

Furthermore, the material of condenser tube is copper.

Further, the water pump is a circulating submersible pump.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a PE composite pipe co-extrusion device provided in an embodiment of the present application;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

Icon: 1-shell, 2-motor, 3-feeding bin, 4-hopper, 5-cooling device, 510-cooling water pipe, 520-water tank, 530-circulating submersible pump, 6-preheating pipe, 7-coupler, 8-heat insulation layer, 9-screw conveying device, 10-discharge head, 11-heat exchanger and 12-rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

A PE composite pipe co-extrusion device comprises a machine shell 1, wherein a motor 2 and a horizontal feeding bin 3 are arranged on the machine shell 1, a hopper 4 communicated with the feeding bin 3 is arranged above the feeding bin 3, a spiral conveying device 9 is arranged in the feeding bin 3, a rotating shaft 12 is connected between the spiral conveying device 9 and the motor 2, a discharging head 10 is connected to one side, away from the motor 2, of the feeding bin 3, a cooling device 5 is arranged on the rotating shaft 12, the cooling device 5 comprises a copper cooling water pipe 510 wound outside the rotating shaft 12, a water tank 520 for storing water sources and a circulating submersible pump 530 for supplying water to the cooling water pipe 510, a flange coupler 7 is arranged between a main shaft of the motor 2 and the rotating shaft 12, a heat insulation layer 8 is arranged between two half couplers 7 of the flange coupler 7, and a heat insulation layer 8 made of asbestos gauze is arranged between the two half couplers 7 of the flange coupler 7, heat on the rotating shaft 12 is prevented from being transferred to the main shaft of the motor 2 through the coupler 7, and the service life of the electrode is further prolonged; the water tank 520 is connected with a heat exchanger 11, the heat exchanger 11 directly cools the hot water in the water tank 520, and water resources are recycled, so that the aim of saving the water resources is fulfilled; a preheating pipe 6 is further arranged between the cooling water pipe 510 and the water tank 520, the preheating pipe 6 is arranged on the outer wall of the hopper 4, hot water cooled by the cooling water pipe 510 to the rotating shaft 12 can be used for preheating plastics of the hopper 4, the melting efficiency of the plastics is improved, and energy conservation and emission reduction are achieved.

The specific working principle is as follows: during the use, the staff pours plastic granules into hopper 4, motor 2 drives screw conveyor 9 through pivot 12 and rotates, make it melt through extrusion and heating to plastic granules, then form the pipeline through stub bar 10 and mould, the heat transmits pivot 12 through screw conveyor 9, the water pump is from pump sending cold water entering cooling water pipe 510 in water tank 520, thereby cool off the surface of pivot 12, reduce the heat that passes to motor 2 through pivot 12, thereby reduce motor 2's temperature, it is ageing to slow down the coil, improve motor 2's life.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a PE composite pipe is crowded device altogether, includes the casing, its characterized in that, be provided with motor and horizontally feeding bin on the casing, feeding bin top is provided with the hopper with feeding bin intercommunication, be provided with screw conveyor in the feeding bin, be connected with the pivot between screw conveyor and the motor, one side that the motor was kept away from in feeding bin is connected with out the stub bar, be provided with cooling device in the pivot, cooling device is including winding cooling water pipe, the water tank at storage water source outside the pivot and be used for the water pump that supplies water to cooling water pipe.

2. The PE composite pipe co-extrusion device as claimed in claim 1, wherein a flange coupling is arranged between the motor main shaft and the rotating shaft, and a heat insulation layer is arranged between two half couplings of the flange coupling.

3. The PE composite pipe co-extrusion device as claimed in claim 2, wherein the insulation layer is an asbestos cloth.

4. The PE composite pipe co-extrusion device as claimed in claim 1, wherein a heat exchanger is connected to the water tank.

5. The PE composite pipe co-extrusion device as claimed in claim 1, wherein a preheating pipe is further disposed between the cooling water pipe and the water tank, and the preheating pipe is disposed on an outer wall of the hopper.

6. The PE composite pipe co-extrusion device as claimed in claim 1, wherein the cooling water pipe is made of copper.

7. The PE composite pipe co-extrusion device according to claim 1, wherein the water pump is a circulating submersible pump.