CN205467214U - Double screw plastic extruder - Google Patents
Double screw plastic extruder Download PDFInfo
- Publication number
- CN205467214U CN205467214U CN201620167792.6U CN201620167792U CN205467214U CN 205467214 U CN205467214 U CN 205467214U CN 201620167792 U CN201620167792 U CN 201620167792U CN 205467214 U CN205467214 U CN 205467214U
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- China
- Prior art keywords
- barrel
- screw
- machine barrel
- hopper
- double
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- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a double screw plastic extruder, including frame and the motor of setting in the frame, a speed reducer, the distributor, the barrel, the hopper, the main control system, the motor is connected with the reduction gear transmission, the reduction gear is connected with the distributor transmission, be provided with the screw rod of two parallels in the barrel, the distributor is connected with screw drive, the head end of screw rod still is provided with speed detector, be provided with quantitative feeding device on the barrel, be connected with the hopper on the ration feeding device, the cover has the filter sieve on the hopper, the filter sieve is including outside U jacket circle and inside magnetism silk screen, be provided with heating device on the barrel surface, the barrel below is provided with cooling fan, the gas vent has still been opened on the barrel, the gas vent top plug has the foreign matter of preventing net stopper, still be provided with temperature sensor and pressure sensor in the barrel, the main control system includes the controller, the screen, audible -visual annunciator and button. The utility model discloses the product quality that can produce is stable, and the defective percentage is low.
Description
Technical field
This utility model relates to extruder, particularly to double-screw plastic extrusion machine.
Background technology
The main frame of plastic extruder is extruding machine, and it is made up of extrusion system, drive system and heating and cooling system.Plastic extruder (main frame) can mate with the various plastic shaping subsidiary engines such as tubing, thin film, handful material, monofilament, flat filament, strap, crowded net, plate (sheet) material, profile shapes, pelletize, cable cladding, form various plastic extruding forming production line, produce various plastic.Extruder is generally divided into single screw extruder, double-screw type extruder and multiscrew formula extruder by screw rod number.Single screw extrusion machine simple in construction, it is adaptable to the section bars such as soft PVC, polystyrene, ABS；Double screw extruder is to the propelling of plastics, dispersion, good mixing effect, it is adaptable in high precision, the large-scale plastic parts of high rigidity (such as PVC-U).Screw extruder extrusion, realizes with machine barrel, screw rod frictional force and melt shear power by machine barrel external heat, solid material, and therefore, screw extruder extrusion is a unsteady state, it is difficult to the process of control.Can be because various reasons cause the product produced to there are quality problems in production process, such as the instability of heating-up temperature, the instability of screw speed, the instability of machine cylinder pressure, the material of addition is mixed with impurity, air vent enters impurity etc., can cause product quality problem.
It is thus desirable to design the double-screw plastic extrusion machine of a kind of constant product quality.
Utility model content
The utility model proposes double-screw plastic extrusion machine, solve the defect of the unstable product quality that existing double-screw plastic extrusion machine produces.
The technical solution of the utility model is achieved in that
nullDouble-screw plastic extrusion machine，Including frame and the motor being arranged in frame、Decelerator、Allotter、Machine barrel、Hopper、Control main frame，Motor is in transmission connection with decelerator，Decelerator is in transmission connection with allotter，Two parallel screw rods it are provided with in machine barrel，Allotter is connected with screw drive，The head end of screw rod is additionally provided with speed detector，Dosing device it is provided with on machine barrel，Connect on dosing device and have hopper，Sieves it is cased with on hopper，Sieves includes the U-shaped lasso of outside and internal magnetic silk screen，It is provided with heater on machine barrel outer surface，Cooling fan it is provided with below machine barrel，Air vent is also had on machine barrel，Anti-foreign body net plug it is plugged with on air vent，Temperature sensor and pressure transducer it is additionally provided with in machine barrel，Control main frame and include controller、Screen、Audible-visual annunciator and button，Motor、Speed detector、Heater、Temperature sensor、Pressure transducer、Screen、Audible-visual annunciator and button are all electrically connected with controller.
Further, described magnetic silk screen is provided with some Magnet.
Further, described magnetic silk screen is Armco magnetic iron silk screen.
Further, described heater is resistance type heater or Induction heater.
Further, described controller is PLC.
The beneficial effects of the utility model: this utility model is provided with speed detector, temperature sensor and pressure transducer, the running status of detection equipment that can be real-time, once the numerical value detected changes, beyond setting value, audible-visual annunciator sends alarm, equipment will be overhauled, and prevent from producing defective in quality product；Sieves it is cased with on hopper, can be with the impurity in filter stock, it is possible to prevent in raw material have the impurity product quality on producing to produce impact, and magnetic silk screen can hold some irony impurity, prevent irony impurity from entering in machine barrel, have an accident, after magnetic silk screen arranges Magnet, add this performance；Be plugged with on air vent anti-foreign body net plug also for prevent impurity enter machine fall into machine barrel, on produce product quality produce impact.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model double-screw plastic extrusion machine；
Fig. 2 is the structural representation of sieves in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullWith reference to Fig. 1-2，Double-screw plastic extrusion machine，Including frame 1 and the motor 2 being arranged in frame 1、Decelerator 3、Allotter 4、Machine barrel 5、Hopper 6、Control main frame 7，Motor 2 is in transmission connection with decelerator 3，Decelerator 3 is in transmission connection with allotter 4，Two parallel screw rods (not shown) it are provided with in machine barrel 5，Allotter 4 is connected with screw drive，The head end of screw rod is additionally provided with speed detector 8，Dosing device 9 it is provided with on machine barrel 5，Connect on dosing device 9 and have hopper 6，Sieves 10 it is cased with on hopper 6，Sieves 10 includes the U-shaped lasso 101 of outside and internal magnetic silk screen 102，It is provided with heater 11 on machine barrel 5 outer surface，Cooling fan 12 it is provided with below machine barrel 5，Air vent 13 is also had on machine barrel 5，Anti-foreign body net plug 14 it is plugged with on air vent 13，Temperature sensor (not shown) and pressure transducer (not shown) it is additionally provided with in machine barrel 5，Control main frame 7 and include controller (not shown)、Screen (not shown)、Audible-visual annunciator (not shown) and button (not shown)，Motor 2、Speed detector 8、Heater 11、Temperature sensor、Pressure transducer、Screen、Audible-visual annunciator and button are all electrically connected with controller.This utility model is provided with speed detector 8, temperature sensor and pressure transducer, the running status of detection equipment that can be real-time, once the numerical value detected changes, beyond setting value, audible-visual annunciator sends alarm, equipment will be overhauled, and prevent from producing defective in quality product；It is cased with sieves 10 on hopper 6, can be possible to prevent in raw material have the impurity product quality on producing to produce impact with the impurity in filter stock, and magnetic silk screen 102 can hold some irony impurity, prevents irony impurity from entering in machine barrel, has an accident.
Preferably, described magnetic silk screen 102 is provided with some Magnet 103.After increasing Magnet 103, can strengthen sieves 10 and adsorb the ability of irony impurity, the quantity of Magnet 103 can select as required, can be 3,4,5 or other numbers.
Preferably, described magnetic silk screen 102 is Armco magnetic iron silk screen.Other magnetic material net can also be selected as required, as long as reaching to adsorb the purpose of irony impurity.
Preferably, described heater 11 is resistance type heater or Induction heater.Can certainly be other heater, as long as heats can be reached.
Preferably, described controller is PLC.Controller does not limit PLC, it is also possible to be other controllers such as single-chip microcomputer.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (5)
1. double-screw plastic extrusion machine, it is characterised in that: include frame and the motor being arranged in frame, subtract
Speed device, allotter, machine barrel, hopper, control main frame, motor is in transmission connection with decelerator, decelerator with divide
Orchestration is in transmission connection, and is provided with two parallel screw rods in machine barrel, and allotter is connected with screw drive, screw rod
Head end be additionally provided with speed detector, machine barrel is provided with dosing device, on dosing device
Connecting and have hopper, hopper is cased with sieves, sieves includes the U-shaped lasso of outside and internal magnetic silk
Net, machine barrel outer surface is provided with heater, is provided with cooling fan, machine barrel also has below machine barrel
Air vent, air vent is plugged with anti-foreign body net plug, is additionally provided with temperature sensor and pressure transducer in machine barrel,
Control main frame and include controller, screen, audible-visual annunciator and button, motor, speed detector, heating
Device, temperature sensor, pressure transducer, screen, audible-visual annunciator and button all electrically connect with controller
Connect.
2. double-screw plastic extrusion machine as claimed in claim 1, it is characterised in that: on described magnetic silk screen
It is provided with some Magnet.
3. double-screw plastic extrusion machine as claimed in claim 2, it is characterised in that: described magnetic silk screen is
Armco magnetic iron silk screen.
4. the double-screw plastic extrusion machine as described in any one of claim 1-3, it is characterised in that add described in:
Hot charging is set to resistance type heater or Induction heater.
5. the double-screw plastic extrusion machine as described in any one of claim 1-3, it is characterised in that: described control
Device processed is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620167792.6U CN205467214U (en) | 2016-03-04 | 2016-03-04 | Double screw plastic extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620167792.6U CN205467214U (en) | 2016-03-04 | 2016-03-04 | Double screw plastic extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205467214U true CN205467214U (en) | 2016-08-17 |
Family
ID=56658363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620167792.6U Expired - Fee Related CN205467214U (en) | 2016-03-04 | 2016-03-04 | Double screw plastic extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205467214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411120A (en) * | 2018-09-21 | 2019-03-01 | 何银亚 | A kind of wire structure that high temperature resistant protective is strong |
-
2016
- 2016-03-04 CN CN201620167792.6U patent/CN205467214U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411120A (en) * | 2018-09-21 | 2019-03-01 | 何银亚 | A kind of wire structure that high temperature resistant protective is strong |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20210304 |