CN205835912U

CN205835912U - Energy-saving type plastic extruder

Info

Publication number: CN205835912U
Application number: CN201620674641.XU
Authority: CN
Inventors: 杨治焱
Original assignee: CHONGQING HAOLI PLASTIC Co Ltd
Current assignee: CHONGQING HAOLI PLASTIC Co Ltd
Priority date: 2016-06-30
Filing date: 2016-06-30
Publication date: 2016-12-28
Anticipated expiration: 2026-06-30

Abstract

This patent discloses a kind of energy-saving type plastic extruder, relate to field of plastics processing；Energy-saving type plastic extruder includes support, hopper, feed pipe, and rack-mount reductor and drive motor；Hopper is rotatably connected on support, and feed pipe is fixedly connected on support, and feed pipe is positioned at below hopper；The bottom of hopper is fixed with the spiral binder axle identical with hopper center of rotation, and spiral binder axle is arranged in feed pipe, and spiral binder axle periphery is provided with screw feeding groove；The bottom of hopper and sidewall junction arrange annular material mouth, are provided with drainage screen at annular material mouth；The upper end of feed pipe communicates with annular material mouth, the lower end discharging opening of feed pipe；Hopper is steel hopper, and hopper periphery is provided with electromagnetic heating coil；Motor via reducer is driven to be connected with hopper；This patent is rotated by hopper, and in making hopper, plastic grain is close on hopper side wall, to reach to make full use of the purpose of the energy.

Description

Energy-saving type plastic extruder

Technical field

This utility model relates to field of plastics processing, is specifically related to a kind of energy-saving type plastic extruder.

Background technology

Extruder is plastic article industry requisite a kind of machinery in the preparation process of plastic product；Existing mould Expect extruder main otherwise expand feed hopper and screw conveying pipe, in its feed hopper, be provided with heater, so that loading in feeding funnel Plastic grain be molten into molten plastic, feed hopper connects with screw conveying pipe, and therefore molten plastic can be flowed into spiral and moulds In material pipe, and rotated molten plastic extrusion by the helical blade in screw conveying pipe.

Owing to heater is all typically mounted on the sidewall of feed hopper, the heat that therefore heater produces the most all collects In in the sidewall edge of feed hopper, therefore heat cannot uniformly transmit, therefore when feed hopper sidewall edge between plastic grain Plastic grain fusing after, molten plastic is without flowing in screw conveying pipe in time, then molten plastic will be still heated, And rapidly and the sidewall contact of feed hopper can not the most often there is molten plastic superheated in the plastic grain at middle part, and in Portion's plastic grain cannot the problem of rapid melting so that plastic easily forms substandard products, and heat energy can not be by fully profit simultaneously With.

Utility model content

The purpose of this utility model is that providing a kind of can make full use of heat energy during fusing plastic grain Energy-saving type plastic extruder.

For reaching above-mentioned purpose, base case of the present utility model is as follows:

Energy-saving type plastic extruder includes support, hopper, feed pipe, and rack-mount reductor is electric with driving Machine；Described hopper is rotatably connected on support, and described feed pipe is fixedly connected on support, and feed pipe is positioned at below hopper； The bottom of described hopper is fixed with the spiral binder axle identical with hopper center of rotation, and described spiral binder axle is arranged on feed pipe In, and spiral binder axle periphery is provided with screw feeding groove；The bottom of described hopper and sidewall junction are provided with filtrate hole, filter Material hole is uniformly distributed formation annular material mouth along hopper central, is provided with drainage screen at annular material mouth；The upper end of described feed pipe with Annular material mouth communicates, and the lower end of feed pipe is provided with tapered discharging opening, and discharging opening upper end is more than discharging opening lower end；Described Hopper is steel hopper, and hopper periphery is provided with electromagnetic heating coil；Described driving motor via reducer is connected with hopper.

The principle of this programme energy-saving type plastic extruder is:

Joined by plastic grain in hopper, start and drive motor that hopper can be made to rotate, then plastic grain will be at centrifugal force Effect under be adjacent to hopper side wall, now make electromagnetic heating coil be energized, owing to hopper is formed from steel, therefore hopper side wall will Heating, and plastic grain is melted；Plastics after fusing by filter screen filtration, and will enter in feed pipe through annular material mouth； Owing to spiral binder axle is fixed with hopper, therefore spiral binder axle together will rotate with hopper, and therefore spiral binder axle is to melted Plastics have squeezing action, and are extruded from discharging opening by molten plastic；When molten plastic discharging, can first be deposited in discharging opening Place, along with molten plastic increases at discharging opening, the internal pressure of molten plastic will increase, then molten plastic will be compacted so that Air within molten plastic is discharged.

This programme produces and provides the benefit that:

Owing to hopper is when rotating, the plastic grain in hopper can be made to produce centrifugal force, i.e. plastic grain will in hopper Disperseing to periphery, and hopper uses electromagnetic heating coil heating, the heat that therefore hopper side wall goes out is maximum, and therefore plastic grain is tight Patch hopper side wall can be conducive to the fusing of pan feeding granule, and therefore this programme can improve the utilization rate of heat；Additionally plastic grain Also will concentrate on the lateral wall circumference of hopper after fusing due to centrifugal force, therefore annular material mouth is arranged on bottom and the sidewall friendship of hopper Meet place, during beneficially molten plastic enters feed pipe, and owing to centrifugal force makes molten plastic have certain pressure, the most permissible Add molten plastic to enter in feed pipe, make the molten plastic in feed pipe be prone to compacting.

Preferred version one: based on the further optimization of scheme, described hopper is tapered, and the lower end of hopper is more than upper End；Due to plastic grain melt after be still close on hopper side wall, so hopper to be set to taper, molten plastic will from Under the effect of mental and physical efforts, the sidewall along hopper accelerates dirty, and enters in feed pipe, and therefore preferred version one can make molten plastic Quickly discharge in hopper.

Preferred version two: based on the further optimization of scheme, described spiral binder axle is one-body molded with hopper；Spiral Binder axle is one-body molded with hopper, can optimize assembling process.

Preferred version three: based on the further optimization of scheme, described feed pipe periphery is also equipped with Electromagnetic Heating line Circle；After feed pipe periphery arranges electromagnetic heating coil, feed pipe can be preheated, prevent feed pipe temperature too low, melted Plastics lump in feed pipe.

Preferred version four: based on the further optimization of scheme, be provided with stirring paddle, stirring paddle and material in described hopper Bucket is rotationally connected；After stirring paddle is set, stirring paddle can make the plastic grain in hopper all with distribution so that plastic grain is at hopper Lateral wall circumference forms uniform plastic grain layer, makes full use of heat further, improves heat utilization rate.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model embodiment；

Fig. 2 is the bottom schematic view of hopper in this utility model embodiment.

Detailed description of the invention

Below by detailed description of the invention, this utility model is described in further detail:

Reference in Figure of description includes: support 1, hopper 2, feed cylinder 3, driving motor 4, reductor 5, electromagnetism Heating coil 6, mounting seat 11, annular material mouth 21, drainage screen 22, stirring paddle 23, belt pulley 24, spiral binder axle 25, spiral send Hopper 26, filtrate hole 211, discharging opening 31.

Embodiment is the most as shown in Figure 1 and Figure 2:

Energy-saving type plastic extruder includes support 1, hopper 2, feed pipe, and reductor 5 and drive motor 4；On support 1 Being provided with mounting seat 11, hopper 2 is arranged in mounting seat 11, and hopper 2 is rotationally connected with mounting seat 11；The lower section of hopper 2 is Being welded on the feed pipe on support 1, be provided with spiral binder axle 25 in feed pipe, spiral binder axle 25 is fixed on the end of hopper 2 Portion, and spiral binder axle 25 is one-body molded with hopper 2, the periphery of spiral binder axle 25 offers screw feeding groove 26；Feed pipe Lower end be provided with conical discharge port 31, the upper end of discharging opening 31 is more than discharging opening 31 lower end, and discharging opening 31 lower end is only out The 10% of material mouth 31 upper end；Hopper 2 is also configured as taper, and hopper 2 upper end is less than hopper 2 lower end, the bottom of hopper 2 and sidewall Junction is provided with filtrate hole 211, and filtrate hole 211 is uniformly distributed formation annular material mouth 21 along hopper 2 center, at annular material mouth 21 It is fixed with drainage screen 22 by screw；The upper end of feed pipe is communicated with hopper 2 by annular material mouth 21.

Hopper 2 and feed pipe are provided with electromagnetic heating coil 6 by bracing members, the periphery of hopper 2 and feed pipe；Additionally exist Being additionally provided with stirring paddle 23 in hopper 2, stirring paddle 23 is made up of stirring vane and rotating shaft, and stirring vane is welded on rotating shaft upper end, Rotating shaft lower end is rotationally connected with the stage of hopper 2；Drive motor 4 and reductor 5 to be installed on support 1, drive the defeated of motor 4 Shaft is connected with reductor 5 power shaft, and the output shaft of reductor 5 and hopper 2 lower end are provided with belt pulley 24 so that drive electricity Machine 4 can drive hopper 2 to rotate by belt transmission.

The specific works process of this energy-saving type plastic extruder is:

Being joined by plastic grain in hopper 2, start and drive motor 4 that hopper 2 can be made to rotate, plastic grain will be at centrifugal force Effect under be adjacent to hopper 2 sidewall, now make electromagnetic heating coil 6 be energized, owing to hopper 2 is formed from steel, therefore hopper 2 sidewall Will generate heat, and plastic grain is melted；Molten plastic by under the influence of centrifugal force along hopper 2 sidewall accelerate dirty, After drainage screen 22 filters, entered in feed pipe by annular material mouth 21；Owing to spiral binder axle 25 is one-body molded with hopper 2, Therefore spiral binder axle 25 together will rotate with hopper 2, and therefore spiral binder axle 25 has squeezing action to molten plastic, and will Molten plastic is extruded from discharging opening 31；When molten plastic discharging, can first be deposited at discharging opening 31, along with molten plastic exists Discharging opening 31 increases, and the internal pressure of molten plastic will increase, then molten plastic will be compacted so that the sky within molten plastic Gas is discharged；Additionally, due to when just starting energy-saving type plastic extruder, the temperature of feed pipe is surmised, the solenoid outside feed pipe Feed pipe is had pre-heat effect, prevents molten plastic from luming in feed pipe, and when feed pipe stable after, can be by feeding Electromagnetic heating coil 6 deenergization of pipe periphery, to reach to save the purpose of the energy.

Above is only embodiment of the present utility model, and in scheme, the known general knowledge such as concrete structure and characteristic is not made at this Too much describe.It should be pointed out that, for a person skilled in the art, on the premise of without departing from this utility model structure, also May be made that some deformation and improvement, these also should be considered as protection domain of the present utility model, and these are all without affecting this reality By effect and the practical applicability of novel enforcement.The protection domain that this application claims should be with the content of its claim Standard, the detailed description of the invention in description etc. records the content that may be used for explaining claim.

Claims

1. an energy-saving type plastic extruder, including support, hopper, feed pipe, and rack-mount reductor and driving Galvanic electricity machine；It is characterized in that, described hopper is rotatably connected on support, and described feed pipe is fixedly connected on support, and feeding Pipe is positioned at below hopper；The bottom of described hopper is fixed with the spiral binder axle identical with hopper center of rotation, described spiral pressure Material axle is arranged in feed pipe, and spiral binder axle periphery is provided with screw feeding groove；The bottom of described hopper joins with sidewall Place is provided with filtrate hole, and filtrate hole is uniformly distributed formation annular material mouth along hopper central, is provided with drainage screen at annular material mouth；Institute The upper end stating feed pipe communicates with annular material mouth, and the lower end of feed pipe is provided with tapered discharging opening, and discharging opening upper end is big In discharging opening lower end；Described hopper is steel hopper, and hopper periphery is provided with electromagnetic heating coil；Described driving motor is by subtracting Speed machine is connected with hopper.

Energy-saving type plastic extruder the most according to claim 1, it is characterised in that described hopper is tapered, and hopper Lower end is more than upper end.

Energy-saving type plastic extruder the most according to claim 1, it is characterised in that described spiral binder axle and hopper one Molding.

Energy-saving type plastic extruder the most according to claim 1, it is characterised in that described feed pipe periphery is also equipped with electricity Magnetic heating coil.

Energy-saving type plastic extruder the most according to claim 1, it is characterised in that be provided with stirring paddle in described hopper, Stirring paddle is rotationally connected with hopper.