CN214000517U

CN214000517U - Multifunctional alloy machine barrel

Info

Publication number: CN214000517U
Application number: CN202022200018.XU
Authority: CN
Inventors: 姚超丰; 严春波; 赵贤芬
Original assignee: Zhejiang Yujin Plastic Machinery Co ltd
Current assignee: Zhejiang Yujin Plastic Machinery Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-08-20
Anticipated expiration: 2030-09-30

Abstract

A multifunctional alloy machine barrel comprises a machine barrel body, a segmented machine barrel, a left fixing ring, a sealing ring, a wear-resistant alloy bushing, a temperature sensor, a machine barrel outer sleeve body, a cast aluminum heater, a resistance wire, a heat preservation layer, a shell, a temperature adjusting meter, an electromagnetic exhaust valve, a pressure adjusting meter, a pressure sensor, a supercharger, a heat dissipation port, a fan, a controller and a right fixing ring. The utility model has the advantages that: the machine barrel has a high temperature control range and temperature control precision and strong applicability; the heating device is arranged in the machine barrel and is integrally designed with the machine barrel, so that the machine barrel has a heating function and is uniformly heated; a temperature control system and a pressure control system are arranged in each segmented cylinder, so that the problem of uneven temperature and pressure control after the traditional segmented cylinders are spliced is solved, the overall temperature and pressure control precision of the spliced cylinders is improved, and the product quality is improved; the machine barrel realizes mechanical and electrical integration, is simple and convenient to operate, and is convenient to install and maintain in later period.

Description

Multifunctional alloy machine barrel

Technical Field

The utility model relates to a multifunctional alloy barrel belongs to plastics processing equipment technical field.

Background

At present, with the common use of plastic products, plastic extruders have the advantages of good plasticization, low energy consumption, stable operation, large bearing capacity and the like, and are increasingly widely applied to the field of processing of high polymer materials. The machine barrel is one of the important components of the extruder, the working principle of the machine barrel is that various plastic raw materials are fully and uniformly mixed and input into the machine barrel of the plastic extruder for heating and melting, and the melted raw materials form a strip shape by a machine barrel die head of the plastic extruder for subsequent equipment to cut into granules. Among the prior art, temperature and pressure in the barrel can't be adjusted according to the characteristic automatically regulated of processing plastics to in the course of working, make inside the barrel can remain the state of constant temperature and isopiestic pressure all the time, be a problem that needs to solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multi-functional alloy barrel.

The to-be-solved problem of the utility model is that current alloy barrel can't be according to the inside temperature of characteristic automatically regulated and pressure of processing material to in the course of working, remain the defect of constant temperature and constant pressure throughout.

For realizing the purpose of the utility model, the utility model adopts the technical proposal that:

a multifunctional alloy machine barrel comprises a machine barrel body, a segmented machine barrel, a left fixing ring, a sealing ring, a wear-resistant alloy bushing, a temperature sensor, a machine barrel outer sleeve body, a cast aluminum heater, a resistance wire, a heat preservation layer, a shell, a temperature adjusting meter, an electromagnetic exhaust valve, a pressure adjusting meter, a pressure sensor, a supercharger, a heat dissipation port, a fan, a controller and a right fixing ring, wherein the segmented machine barrel is installed on the machine barrel body, the left fixing ring is installed at the left end of the segmented machine barrel, the sealing ring is installed in the left fixing ring, the wear-resistant alloy bushing is installed behind the sealing ring, the temperature sensor is installed in the wear-resistant alloy bushing, the machine barrel outer sleeve body is installed outside the wear-resistant alloy bushing, the cast aluminum heater is installed outside the machine barrel outer sleeve body, the resistance wire is installed in the cast aluminum heater, the heat preservation layer is installed outside the cast aluminum heater, the shell is installed outside the heat preservation layer, the temperature adjusting meter is installed at the top end of the shell, electromagnetic exhaust valve is installed to temperature regulation table right-hand member, and electromagnetic exhaust valve installs the pressure regulation table in the right-hand member, and pressure sensor is installed to pressure regulation table bottom, and the booster is installed to pressure regulation table right-hand member, and the thermovent is installed to the shell bottom, and the fan is installed in the connection of thermovent exit, installs the controller on the fan, and right retainer plate is installed to the shell right-hand member.

Furthermore, the resistance wire is positioned in a metal tube in the cast aluminum heater, magnesium oxide powder is arranged in the tube, the resistance wire has the characteristics of good insulation and sealing, the resistance wire is not easy to oxidize, and the service life of the resistance wire can be prolonged; the contact area between the cast aluminum alloy sleeve in the cast aluminum heater and the outer sleeve body of the machine barrel is large, and the heat transfer performance is good.

Furthermore, the shell is formed by cast steel, and the inner walls of the sealing ring and the heat insulation layer are made of aluminum silicate materials, so that the heat conductivity is reduced, and the heat exchange between the outer sleeve body of the machine barrel and the outside is prevented.

Furthermore, the machine barrel body is formed by mutually splicing a plurality of segmented machine barrels with the same structure from head to tail, a temperature adjusting meter and a pressure adjusting meter can be uniformly arranged after splicing, and the cost is saved.

The utility model has the advantages that: the machine barrel has a high temperature control range and temperature control precision and strong applicability; the heating device is arranged in the machine barrel and is integrally designed with the machine barrel, so that the machine barrel has a heating function and is uniformly heated, an external heater is not required for heating, and the phenomenon that the temperature distribution of the machine barrel is not uniform due to overlarge temperature difference between the inside and the outside of the machine barrel, so that the machine barrel is deformed and the use of the machine barrel is influenced is avoided; the heat preservation layer is used for heat preservation treatment in the machine barrel, so that the heat preservation performance of the machine barrel is improved, the heat exchange between the machine barrel and the outside is prevented, and resources are saved; the pressure in the machine barrel can be automatically adjusted according to the characteristics of the processing materials, the product quality is improved, and the application range is wide; a temperature control system and a pressure control system are arranged in each segmented machine barrel, so that the problem of uneven temperature and pressure control after the traditional segmented machine barrels are spliced is solved, the overall temperature and pressure control precision of the spliced machine barrels is improved, and the product quality is improved; the machine barrel realizes mechanical and electrical integration, is simple and convenient to operate, and is convenient to install and maintain in later period.

Drawings

FIG. 1 is a schematic structural view of a segmented barrel of a multifunctional alloy barrel;

FIG. 2 is a schematic view of the overall structure of the multifunctional alloy barrel;

in the figure: 1. the device comprises a machine barrel body 2, a segmented machine barrel 3, a left fixing ring 4, a sealing ring 5, a wear-resistant alloy bushing 6, a temperature sensor 7, a machine barrel outer sleeve 8, a cast aluminum heater 9, a resistance wire 10, a heat insulation layer 11, a shell 12, a temperature adjusting meter 13, an electromagnetic exhaust valve 14, a pressure adjusting meter 15, a pressure sensor 16, a supercharger 17, a heat dissipation port 18, a fan 19, a controller 20 and a right fixing ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

A multifunctional alloy machine barrel comprises a machine barrel body 1, a segmented machine barrel 2, a left fixing ring 3, a sealing ring 4, a wear-resistant alloy lining 5, a temperature sensor 6, a machine barrel outer sleeve 7, a cast aluminum heater 8, a resistance wire 9, a heat preservation layer 10, a shell 11, a temperature adjusting meter 12, an electromagnetic exhaust valve 13, a pressure adjusting meter 14, a pressure sensor 15, a supercharger 16, a heat dissipation port 17, a fan 18, a controller 19 and a right fixing ring 20, wherein the segmented machine barrel 2 is installed on the machine barrel body 1 and used for extruding materials, the left fixing ring 3 is installed at the left end of the segmented machine barrel 2 and used for splicing, the sealing ring 4 is installed in the left fixing ring 3 and used for providing sealing, the wear-resistant alloy lining 5 is installed behind the sealing ring 4 and used for improving wear resistance, the temperature sensor 6 is installed in the wear-resistant alloy lining 5 and used for detecting temperature, the heating device is a container part, a cast aluminum heater 8 is arranged outside a machine barrel outer sleeve body 7 and used for providing heating, a resistance wire 9 is arranged in the cast aluminum heater 8 and used for providing heating, a heat insulation layer 10 is arranged outside the cast aluminum heater 8 and used for heat insulation, a shell 11 is arranged outside the heat insulation layer 10 and used for providing sealing protection, a temperature adjusting meter 12 is arranged at the top end of the shell 11 and used for adjusting temperature, an electromagnetic exhaust valve 13 is arranged at the right end of the temperature adjusting meter 12 and used for releasing pressure, a pressure adjusting meter 14 is arranged at the right end of the electromagnetic exhaust valve 13 and used for adjusting pressure, a pressure sensor 15 is arranged at the bottom end of the pressure adjusting meter 14 and used for detecting pressure, a pressure booster 16 is arranged at the right end of the pressure adjusting meter 14 and used for pressurizing, a heat dissipation port 17 is arranged at the bottom of the shell 11 and used for exhausting hot air, a fan 18 is connected and arranged at the outlet of the heat dissipation port 17 and used for absorbing hot air, the fan 18 is provided with a controller 19 for providing a control system, and the right end of the shell 11 is provided with a right fixing ring 20 for providing splicing.

Furthermore, the resistance wire 9 is positioned in a metal tube in the cast aluminum heater 8, magnesium oxide powder is arranged in the tube, the resistance wire has the characteristics of good insulation and sealing, the resistance wire 9 is not easy to oxidize, and the service life of the resistance wire 9 can be prolonged; the contact area between the cast aluminum alloy sleeve in the cast aluminum heater 8 and the outer sleeve body 7 of the machine barrel is large, and the heat transfer performance is good.

Furthermore, the shell 11 is formed by cast steel, and the inner walls of the sealing ring 4 and the heat-insulating layer 10 are made of aluminum silicate materials, so that the heat conductivity is reduced, and the heat exchange between the outer sleeve body 7 of the machine barrel and the outside is prevented.

Furthermore, the machine barrel body 1 is formed by mutually splicing a plurality of segmented machine barrels 2 with the same structure end to end, and a temperature adjusting meter 12 and a pressure adjusting meter 14 can be uniformly arranged after splicing, so that the cost is saved.

The using method comprises the following steps: aligning a right fixing ring 18 on a sectional machine barrel 2 and a left fixing ring 3 on another sectional machine barrel 2, and fixedly installing the two sectional machine barrels by using screw nuts to enable the two sectional machine barrels 2 to be spliced with each other, and so on to complete the machine barrel body 1 by splicing; before the material is processed, according to the characteristics of the processed material, the temperature in the cylinder is set through a temperature adjusting meter 12, and the pressure in the cylinder is set through a pressure adjusting meter 14; the temperature sensor 6 senses the temperature in the cylinder and transmits a data signal to the controller 18, the controller 18 controls the temperature control valve according to the temperature signal, if the temperature sensed by the temperature sensor 6 is lower than the initial set temperature of the temperature adjusting meter 12, the resistance wire 9 on the cast aluminum heater 8 starts to heat and transmits the heat to the interior of the cylinder, otherwise, the fan 17 is started to discharge the temperature in the cylinder out of the cylinder through the heat dissipation port 16, so that the interior of the cylinder is kept in a constant temperature state all the time; the pressure sensor 15 senses the pressure in the cylinder and transmits a data signal to the controller 18, the controller 18 controls the electromagnetic exhaust valve 13 and the supercharger 16 to be opened and closed according to the data signal, and when the pressure in the cylinder sensed by the pressure sensor 15 is greater than the initial set pressure of the pressure adjusting meter 14, the electromagnetic exhaust valve 13 is automatically opened to release redundant pressure; on the contrary, the pressure booster 16 is opened to suck air and press the air into the cylinder, so that the pressure in the cylinder is kept constant all the time.

Claims

1. Multifunctional alloy barrel, including barrel body (1), segmentation barrel (2), left retainer plate (3), sealing washer (4), wear-resisting alloy bush (5), temperature sensor (6), barrel outer casing (7), cast aluminium heater (8), resistance wire (9), heat preservation (10), shell (11), temperature regulation table (12), electromagnetic exhaust valve (13), pressure regulation table (14), pressure sensor (15), booster (16), thermovent (17), fan (18), controller (19) and right retainer plate (20), characterized by: the machine barrel is characterized in that a segmented machine barrel (2) is installed on a machine barrel body (1), a left fixing ring (3) is installed at the left end of the segmented machine barrel (2), a sealing ring (4) is installed in the left fixing ring (3), a wear-resistant alloy bushing (5) is installed behind the sealing ring (4), a temperature sensor (6) is installed in the wear-resistant alloy bushing (5), a machine barrel outer sleeve body (7) is installed outside the wear-resistant alloy bushing (5), a cast aluminum heater (8) is installed outside the machine barrel outer sleeve body (7), a resistance wire (9) is installed in the cast aluminum heater (8), a heat insulation layer (10) is installed outside the cast aluminum heater (8), a shell (11) is installed outside the heat insulation layer (10), a temperature adjusting meter (12) is installed at the top end of the shell (11), an electromagnetic exhaust valve (13) is installed at the right end, pressure sensor (15) are installed to pressure regulation table (14) bottom, and booster (16) are installed to pressure regulation table (14) right-hand member, and thermovent (17) are installed to shell (11) bottom, and fan (18) are installed in connection in thermovent (17) exit, install controller (19) on fan (18), and right retainer plate (20) are installed to shell (11) right-hand member.

2. The multi-functional alloy barrel of claim 1, wherein: the resistance wire (9) is positioned in a metal tube in the cast aluminum heater (8), and magnesium oxide powder is arranged in the metal tube.

3. The multi-functional alloy barrel of claim 1, wherein: the shell (11) is formed by cast steel, and the inner walls of the sealing ring (4) and the heat-insulating layer (10) are made of aluminum silicate materials.

4. The multi-functional alloy barrel of claim 1, wherein: the machine barrel body (1) is formed by mutually splicing a plurality of segmented machine barrels (2) with the same structure end to end, and a temperature adjusting meter (12) and a pressure adjusting meter (14) can be uniformly arranged after splicing.