CN217293397U

CN217293397U - Miniature plastic extruder with blanking zone cooling device

Info

Publication number: CN217293397U
Application number: CN202123368367.3U
Authority: CN
Inventors: 卢克庄
Original assignee: Zhangjiagang Aoluode Machinery Co ltd
Current assignee: Zhangjiagang Aoluode Machinery Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-26
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a miniature plastic extruder with blanking area heat sink, including electric cabinet, unloading subassembly, hopper, power component and barrel, the unloading subassembly is fixed to be located on the electric cabinet, be equipped with the hopper above the unloading subassembly, power component and barrel are established respectively at the both ends of unloading subassembly, and power component provides power, the unloading subassembly includes the casing, and the hopper is installed on the casing, be equipped with the connecting piece in the casing, the top of connecting piece is installed on the bottom of hopper and the bottom is located the barrel to carry the raw materials in the hopper to the barrel; the connecting piece is equipped with temperature sensor with the barrel fixed department, still is equipped with centrifugal fan on the casing, temperature sensor, centrifugal fan and electric cabinet electric connection, temperature sensor gather temperature signal in order to control centrifugal fan work. The blockage caused by overhigh temperature of the feed opening is effectively prevented; can be arranged on a small platform and a desktop for use, thereby saving space.

Description

Miniature plastic extruder with blanking zone cooling device

Technical Field

The utility model belongs to the technical field of the plastic extrusion equipment technique and specifically relates to a miniature plastic extruder with unloading district heat sink is related to.

Background

Extrusion molding is a method of continuously passing a material in a fluid state through a die by heating and pressurizing in an extruder, and is also called "extrusion molding". Compared with other forming methods, the method has the advantages of high efficiency and low unit cost. Extrusion is used primarily for the molding of thermoplastics and also for certain thermosets, the extruded articles being continuous profiles.

The plastic extruder may be classified into a single screw extruder, a twin screw extruder and a multi-screw extruder according to the number of screws thereof. At present, the single-screw extruder is most widely applied and is suitable for extrusion processing of common materials. The double-screw extruder has the advantages of less heat generated by friction, more uniform shearing of materials, higher conveying capacity of screws, more stable extrusion amount, long retention of the materials in a machine barrel and uniform mixing.

The plastic extruders in the current market are large in size, large in occupied area, quite inconvenient in small-size and scientific experiments, time and labor are spent in operation, raw materials are wasted, and energy consumption is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a miniature plastic extruder with a blanking area cooling device, which aims to solve the problems mentioned in the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a miniature plastic extruder with a blanking area cooling device comprises an electric cabinet, a blanking assembly, a hopper, a power assembly and a machine barrel, wherein the blanking assembly is fixedly arranged on the electric cabinet, the hopper is arranged above the blanking assembly, the power assembly and the machine barrel are respectively arranged at two ends of the blanking assembly, the power assembly provides power, the blanking assembly comprises a shell, the hopper is arranged on the shell, a temperature sensor is arranged at the fixing position of the connecting piece and the machine barrel, the top end of the connecting piece is arranged at the bottom of the hopper, and the bottom end of the connecting piece is arranged on the machine barrel so as to convey raw materials in the hopper into the machine barrel; the temperature sensor, the centrifugal fan and the electric cabinet are electrically connected, and the temperature sensor collects temperature signals to control the centrifugal fan to work.

Preferably, a first temperature control meter is arranged on the electric cabinet; the first temperature control meter is used for adjusting the limit value of the temperature sensor, and then the working temperature of the centrifugal fan is adjusted.

Preferably, the power assembly includes a motor and a speed reducer.

More preferably, the machine barrel comprises a conveying screw and a heating ring assembly, and the heating ring assembly is sleeved outside the conveying screw; one end of the machine barrel is arranged in the blanking assembly and is rotationally connected with an output shaft of the speed reducer through a conveying screw, and the other end of the machine barrel is used for installing a die.

More preferably, a second temperature control meter is arranged on the electric cabinet; the second temperature control meter is used for adjusting the temperature of the heating ring assembly.

More preferably, the number of the second temperature control meters is the same as the number of the heating zones in the heating ring assembly, so that one meter controls one heating zone.

More preferably, a speed regulator is arranged on the electric cabinet; the speed regulator, the motor and the speed reducer are electrically connected, and the speed regulator is used for adjusting the output rotating speed of the power assembly.

More preferably, the upper end of the shell is provided with a hole for inserting the hopper, and the lower end of the shell is arranged on the upper end face of the electric cabinet.

More preferably, the shell is a ventilation and heat insulation shell, and an air outlet is formed in the shell.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the plastic raw material is put into a lower hopper, conveyed by a screw rod, heated by a machine barrel, melted, rotated by the screw rod and pushed into a mold, thus forming. In order to prevent the material from being melted in advance due to the overhigh temperature of the feed opening caused by heat transfer when the screw cylinder is heated, a connecting piece with a temperature sensor is designed at the joint of the screw cylinder and the feed hopper, and when the temperature sensor identifies the temperature of the feed area and a limit value, the centrifugal fan starts to work at the moment, so that the feed area is always kept in a controllable temperature state. The number of the second temperature control meters on the electric cabinet can be determined according to the number of the heating zones of the machine barrel, and one heating zone is controlled by one meter, so that accurate adjustment is achieved.

The utility model has the advantages of miniature extrusion as a whole, small volume, capability of being placed on various platforms and tables for operation, space saving, capability of producing a result quickly when testing material performance or processing small-size products by experiment, high efficiency, material saving, power saving and labor saving; in addition, the blanking zone is provided with the air-cooled cooling device, so that the blanking zone can be effectively prevented from being blocked due to overhigh temperature of the blanking port, and the extruding process is smooth.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic view of the blanking assembly of the embodiment of the present invention.

In the figures, the various reference numbers are:

1-an electric cabinet; 11-a speed governor; 12-a first temperature control meter; 13-a second temperature control meter; 2-a blanking assembly; 21-a connector; 22-a temperature sensor; 23-a centrifugal fan; 24-a housing; 3-a hopper; 4-a power assembly; 5-heating the ring assembly; 6-conveying screw; 7-a mould.

Detailed Description

In order to explain the present invention more clearly, the present invention will be described in further detail with reference to the following embodiments and drawings. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; they may be directly connected to each other, indirectly connected to each other through an intermediate member, or connected to each other through the inside of two members. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example (b):

as shown in fig. 1-2, the micro plastic extruder with a cooling device for a blanking area comprises an electric cabinet 1, a blanking assembly 2, a hopper 3, a power assembly 4 and a machine barrel, wherein the blanking assembly 2 is fixedly arranged on the electric cabinet, the hopper 3 is arranged above the blanking assembly 2, the power assembly 4 and the machine barrel are respectively arranged at two ends of the blanking assembly 2, and the power assembly 4 provides power and comprises a motor and a reducer; the blanking assembly 2 comprises a shell 24, the shell 24 is a ventilation and heat insulation shell, and an air outlet is formed in the shell 24; the hopper 3 is arranged on the shell 24, in particular a hole for inserting the hopper 3 is arranged at the upper end of the shell 24, and the lower end of the shell is arranged on the upper end surface of the electric cabinet 1; a connecting piece 21 is arranged in the shell 24, the top end of the connecting piece 21 is arranged at the bottom of the hopper 3, and the bottom end of the connecting piece 21 is arranged on the machine barrel so as to convey the raw materials in the hopper 3 into the machine barrel; the connecting piece 21 is equipped with temperature sensor 22 with barrel fixed position, still is equipped with centrifugal fan 23 on the casing 24, and temperature sensor 22, centrifugal fan 23 and electric cabinet 1 electric connection, and temperature sensor 22 gathers temperature signal in order to control centrifugal fan 23 work. The machine barrel comprises a conveying screw rod 6 and a heating ring assembly 5, and the heating ring assembly 5 is sleeved outside the conveying screw rod 6; one end of the machine barrel is arranged in the blanking assembly 2 and is rotationally connected with an output shaft of the speed reducer through a conveying screw 6, and the other end of the machine barrel is used for installing a die 7.

A first temperature control meter 12 is arranged on the electric cabinet 1; the first temperature control meter 12, the temperature sensor 22 and the centrifugal fan 23 are electrically connected, and the first temperature control meter 12 is used for adjusting the limit value of the temperature sensor 22, so as to adjust the working temperature of the centrifugal fan 23. Still be equipped with second temperature control table 13 on the electric cabinet 1, second temperature control table 13, heating collar subassembly 5 and centrifugal fan 23 electric connection, second temperature control table 13 is used for adjusting the temperature of heating collar subassembly 5, and the quantity of second temperature control table 13 is the same with the quantity of the zone of heating in the heating collar subassembly 5 to realize a table control zone of heating. The electric cabinet 1 is also provided with a speed regulator 11; the speed regulator 11, the motor and the speed reducer are electrically connected, and the speed regulator 11 is used for regulating the output rotating speed of the power assembly 4.

The whole volume of the embodiment is small, and the device can be placed on various small platforms and desktops for use, so that the space and the energy consumption are saved; the material can be conveyed by one or more screws in the machine barrel, and the temperature reduction part of the blanking area can be cooled by a fan or a water ring as a cooling mode.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention more clearly, and are not limiting to the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above description, and all the embodiments cannot be exhaustive, and all the obvious variations or changes are still within the scope of the present invention.

Claims

1. A miniature plastic extruder with a blanking area cooling device comprises an electric cabinet, a blanking assembly, a hopper, a power assembly and a machine barrel, wherein the blanking assembly is fixedly arranged on the electric cabinet, the hopper is arranged above the blanking assembly, the power assembly and the machine barrel are respectively arranged at two ends of the blanking assembly, and the power assembly provides power; the connecting piece is equipped with temperature sensor with the barrel fixed department, still is equipped with centrifugal fan on the casing, temperature sensor, centrifugal fan and electric cabinet electric connection, temperature sensor gather temperature signal in order to control centrifugal fan work.

2. The micro plastic extruder with the blanking area cooling device as claimed in claim 1, wherein a first temperature control meter is arranged on the electric cabinet; the first temperature control meter is used for adjusting the limit value of the temperature sensor, and then the working temperature of the centrifugal fan is adjusted.

3. The micro plastic extruder with the blanking region cooling device as claimed in claim 1, wherein the power assembly comprises a motor and a speed reducer.

4. The micro plastic extruder with the blanking zone cooling device as claimed in claim 3, wherein the machine barrel comprises a conveying screw and a heating ring assembly, and the heating ring assembly is sleeved outside the conveying screw; one end of the machine barrel is arranged in the blanking assembly and is rotationally connected with an output shaft of the speed reducer through a conveying screw, and the other end of the machine barrel is used for installing a die.

5. The micro plastic extruder with the blanking area cooling device as claimed in claim 4, wherein a second temperature control meter is arranged on the electric cabinet; the second temperature control meter is used for adjusting the temperature of the heating ring assembly.

6. The micro plastic extruder with the blanking region cooling device as claimed in claim 5, wherein the number of the second temperature control gauges is the same as the number of the heating regions in the heating ring assembly, so as to realize that one gauge controls one heating region.

7. The micro plastic extruder with the blanking region cooling device as claimed in claim 3, wherein a speed regulator is arranged on the electric cabinet; the speed regulator, the motor and the speed reducer are electrically connected, and the speed regulator is used for adjusting the output rotating speed of the power assembly.

8. The micro plastic extruder with the blanking region cooling device as claimed in claim 1, wherein the upper end of the housing is provided with a hole for inserting the hopper, and the lower end of the housing is arranged on the upper end surface of the electric cabinet.

9. The micro plastic extruder with the blanking zone cooling device according to any one of claims 1 to 8, wherein the housing is a ventilation and heat insulation housing, and an air outlet is arranged on the housing.