CN109571909A - Full-automatic extrusion system - Google Patents
Full-automatic extrusion system Download PDFInfo
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- CN109571909A CN109571909A CN201811344940.7A CN201811344940A CN109571909A CN 109571909 A CN109571909 A CN 109571909A CN 201811344940 A CN201811344940 A CN 201811344940A CN 109571909 A CN109571909 A CN 109571909A
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Abstract
The invention discloses a kind of full-automatic extrusion systems; including feed pipe, head tank, extruder, first motor, drier, the second motor, third motor, water tank, several sensors, several input signals, several output signals and control system; extruder is single screw extrusion machine; constant temperature supercharging device and pelletizer are provided in extruder; the constant temperature supercharging device one end is connected with the single screw rod of extruder; the other end is connected with pelletizer; second motor is connected with constant temperature supercharging device, and pelletizer is connected with third motor.The present invention, which can adjust revolving speed automatically according to the condition of production, reduces production cost so that the pressure in extruder guarantees continuous production within the scope of safety value, improves product quality.
Description
Technical field
The present invention relates to a kind of full-automatic extrusion systems.
Background technique
Polyethylene, the polymer such as polypropylene, for retail and Key works Drug packing, food and beverage packaging, household receptacle, household
Article, automobile component, pipeline, conduit and various industrial products.
Polymer does not react usually with the commodity or product being in contact with it.This makes polyolefin products can be used for house, quotient
Industry and industrial environment, including food and beverage storage and transport, consumer electronics, agricultural, shipping and Vehicle structure.Polyolefin it is each
Kind of house, commercial and industrial purposes have been converted into the wilderness demand to raw polyolefin, can squeeze out, and inject, blowing or
What otherwise formation was final can consumable products or component.
Extrusion system is the key that production polymer production line, still, when the pressure change in extrusion system extruder is big
And/or when being more than safety value, certain equipment relevant to extruder can be closed, to make production disruption and/or reduce production speed
Rate, therefore the production efficiency of product pellet is caused to reduce, increase production and maintenance cost, or even destroy equipment.
Summary of the invention
An object of the present invention, which is that, provides a kind of full-automatic extrusion system, which can be with
Revolving speed is adjusted automatically according to the condition of production, so that the pressure in extruder guarantees continuous production within the scope of safety value, is reduced
Production cost, improves product quality.
Technical solution is: a kind of full-automation extrusion system, and the full-automation extrusion system includes feed pipe, charging
It is tank, extruder, first motor, drier, the second motor, third motor, water tank, several sensors, several input signals, several
Output signal and control system, extruder are single screw extrusion machine, and feed pipe is connected with head tank, and head tank is by pipeline and squeezes
Machine is connected out, valve is equipped on the pipeline, extruder is connected with first motor, is driven by motor, and constant temperature is provided in extruder
Supercharging device and pelletizer, the constant temperature supercharging device one end are connected with the single screw rod of extruder, and the other end is connected with pelletizer, the
Two motors are connected with constant temperature supercharging device, and pelletizer is connected with third motor, are connected with actuator on valve, and control system will be from defeated
Instruction is spread out of by output signal after entering the received information processing of signal, the operation of control system, the grain come out from pelletizer
Son particle after entering drier drying after the water quenching that water tank comes is exported from output channel, and the water dried out returns to water tank.
Preferably, the constant temperature supercharging device includes positive-displacement pump and gear-box, positive-displacement pump is connected with single screw rod, tooth
Roller box is arranged between the second motor and positive-displacement pump, is connected between gear-box and positive-displacement pump by pump shaft, gear-box and the
It is connected between two motors by motor shaft, gear-box is provided with several gears, to realize the conversion of different rotating speeds.
Preferably, the single screw rod, which is closed on, is provided with pressure sensor at positive-displacement pump, pressure sensor is provided
The instruction of the suction pressure of positive-displacement pump, pressure sensor send signal to control system by input signal, if pressure
The suction pressure of power sensing element instruction is lower than safety value, then indicates that positive-displacement pump is operated with slower speed, to increase suction
Enter pressure；If suction pressure is higher than safety value, control system instruction positive-displacement pump is run at faster speed, to reduce
Suction pressure.
Preferably, the full-automation extrusion system is provided with speed change driver.
Preferably, the full-automation extrusion system is additionally provided with and compares pressure sensor.
Preferably, the full-automation extrusion system is additionally provided with velocity pick-up element.
Compared with prior art, the principle of the present invention and beneficial effect are:
The full-automatic extrusion system flowing protected using the present invention can adjust revolving speed automatically according to the condition of production, thus
Pressure in extruder guarantees continuous production within the scope of safety value, reduces production cost, improves product quality.
Detailed description of the invention
Fig. 1 is flow chart of the present invention；
Fig. 2 is an embodiment constant temperature supercharging device structure chart；
Fig. 3 is another embodiment constant temperature supercharging device structure chart.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
A kind of full-automatic extrusion system as shown in Figs. 1-3, including feed pipe 1, head tank 2, the 3, first electricity of extruder
Machine 5, drier 9, the second motor 15, third motor 16, water tank 10, several sensors 11, several input signals 12, several outputs
Signal 13 and control system 8, extruder 3 are single screw extrusion machine, and feed pipe 1 is connected with head tank 2, and head tank 2 passes through pipeline
It is connected with extruder 3, valve 4 is installed on the pipeline, may be provided with measuring element, extruder 3 and first motor 5 on the pipeline
Be connected, driven by motor 5, constant temperature supercharging device 6 and pelletizer 7 be provided in extruder 3,6 one end of constant temperature supercharging device with
The single screw rod of extruder is connected, and the other end is connected with pelletizer 7, and the second motor 15 is connected with constant temperature supercharging device 6, pelletizer 7
It is connected with third motor 16, actuator 14 is connected on valve 4, control system 8 will be after the received information processing of input signal 12
Instruction is spread out of by output signal 13, the operation of control system, the particle come out from pelletizer 7 passes through the water quenching from water tank 10
Particle is exported from output channel after entering the drying of drier 9 after fire, and the water dried out returns to water tank 10.Constant temperature supercharging device 6 will
Glue pressurization, but do not increase the temperature of glue substantially.
Constant temperature supercharging device 6 includes positive-displacement pump 61 and gear-box 62, and positive-displacement pump 61 is connected with single screw rod, gear-box 62
It is arranged between the second motor 15 and positive-displacement pump 61, is connected between gear-box 62 and positive-displacement pump 61 by pump shaft 66, gear
It is connected between case 62 and the second motor 15 by motor shaft 65, gear-box 62 is provided with several gears, to realize different rotating speeds
Conversion, the gear ratio of gear-box is 30-35:1.
Single screw rod, which is closed at positive-displacement pump 61, is provided with pressure sensor 67, and pressure sensor 67 provides positive-displacement pump
The instruction of 61 suction pressure, pressure sensor 67 sends signal to control system 8 by input signal 12, if pressure
The suction pressure that sensing element 67 indicates is lower than safety value, then indicates that positive-displacement pump 61 is operated with slower speed, to increase
Suction pressure；If suction pressure is higher than safety value, control system 40 instructs positive-displacement pump 61 to run at faster speed, from
And reduce suction pressure.
Full-automatic extrusion system is provided with speed change driver 63, and speed change driver 63 controls the speed of positive-displacement pump 61.
Full-automatic extrusion system, which is additionally provided with, compares pressure sensor 69 and velocity pick-up element 68, compares pressure biography
Sensing unit 69 is arranged near pressure sensor 67, and velocity pick-up element 68 is arranged at motor shaft 65, to detect motor
Actual speed and feedback.Control system 8 by the value of pressure sensor 67 compared with safety value and pressure sensing member
The value of part 67 and compared with the difference of value of pressure sensor 69 control the revolving speed of positive-displacement pump 61.Although such as pressure sensing member
Part 67 in safety value, but the value of pressure sensor 67 and compared with pressure sensor 69 value difference difference it is larger, then need
Stop producing, checks reason.
By above-mentioned setting, system is allowed to adjust revolving speed automatically according to the condition of production, thus the pressure in extruder
Power guarantees continuous production within the scope of safety value, reduces production cost, improves product quality.
Claims (7)
1. it is a kind of full-automation extrusion system, it is characterised in that: it is described full-automation extrusion system include feed pipe, head tank,
It is extruder, first motor, drier, the second motor, third motor, water tank, several sensors, several input signals, several defeated
Signal and control system out, extruder are single screw extrusion machine, and feed pipe is connected with head tank, and head tank is by pipeline and squeezes out
Machine is connected, and valve is equipped on the pipeline, and extruder is connected with first motor, is driven by motor, and constant temperature increasing is provided in extruder
Pressure device and pelletizer, the constant temperature supercharging device one end are connected with the single screw rod of extruder, and the other end is connected with pelletizer, and second
Motor is connected with constant temperature supercharging device, and pelletizer is connected with third motor, and actuator is connected on valve, and control system will be from input
Instruction is spread out of by output signal after the received information processing of signal, the operation of control system, the particle come out from pelletizer
Particle is exported from output channel after entering drier drying after the water quenching that water tank comes, and the water dried out returns to water tank.
2. full-automation extrusion system according to claim 1, it is characterised in that: the constant temperature supercharging device includes positive row
Amount pump and gear-box, positive-displacement pump be connected with single screw rod, gear-box setting between the second motor and positive-displacement pump, gear-box and
It is connected between positive-displacement pump by pump shaft, is connected between gear-box and the second motor by motor shaft, gear-box is provided with several
Gear, to realize the conversion of different rotating speeds.
3. full-automation extrusion system according to claim 2, it is characterised in that: the gear ratio of the gear-box is 30-
35:1。
4. full-automation extrusion system according to claim 3, it is characterised in that: the single screw rod is closed at positive-displacement pump
It is provided with pressure sensor, pressure sensor provides the instruction of the suction pressure of positive-displacement pump, and pressure sensor passes through
Input signal sends signal to control system, if the suction pressure of pressure sensor instruction is lower than safety value, indicates
Positive-displacement pump is operated with slower speed, to increase suction pressure；If suction pressure is higher than safety value, control system refers to
Positive-displacement pump is enabled to run at faster speed, to reduce suction pressure.
5. full-automation extrusion system according to claim 4, it is characterised in that: the full-automation extrusion system setting
There is speed change driver.
6. the full-automatic extrusion system according to claim 4 claim, it is characterised in that: the full-automatic extrusion
System, which is additionally provided with, compares pressure sensor.
7. the full-automatic extrusion system according to claim 4 claim, it is characterised in that: the full-automatic extrusion
System is additionally provided with velocity pick-up element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344940.7A CN109571909A (en) | 2018-11-13 | 2018-11-13 | Full-automatic extrusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344940.7A CN109571909A (en) | 2018-11-13 | 2018-11-13 | Full-automatic extrusion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109571909A true CN109571909A (en) | 2019-04-05 |
Family
ID=65922316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811344940.7A Pending CN109571909A (en) | 2018-11-13 | 2018-11-13 | Full-automatic extrusion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109571909A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139309A (en) * | 1977-12-09 | 1979-02-13 | E. I. Du Pont De Nemours And Company | Apparatus and method |
| CN102615736A (en) * | 2012-04-24 | 2012-08-01 | 昆山科信橡塑机械有限公司 | High-filling material extruding and granulating unit |
| CN105729660A (en) * | 2016-04-15 | 2016-07-06 | 河南省龙都生物科技有限公司 | Polylactic acid extinction slicing production process |
| CN207373508U (en) * | 2017-10-25 | 2018-05-18 | 南京科尔克挤出装备有限公司 | A kind of underwater blank extruding pelletization unit of double rank automatic chargings |
-
2018
- 2018-11-13 CN CN201811344940.7A patent/CN109571909A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139309A (en) * | 1977-12-09 | 1979-02-13 | E. I. Du Pont De Nemours And Company | Apparatus and method |
| CN102615736A (en) * | 2012-04-24 | 2012-08-01 | 昆山科信橡塑机械有限公司 | High-filling material extruding and granulating unit |
| CN105729660A (en) * | 2016-04-15 | 2016-07-06 | 河南省龙都生物科技有限公司 | Polylactic acid extinction slicing production process |
| CN207373508U (en) * | 2017-10-25 | 2018-05-18 | 南京科尔克挤出装备有限公司 | A kind of underwater blank extruding pelletization unit of double rank automatic chargings |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |
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| RJ01 | Rejection of invention patent application after publication |