CN105005284A - Automatic control system used for preparing 90 DEG C polyvinyl chloride cable materials - Google Patents
Automatic control system used for preparing 90 DEG C polyvinyl chloride cable materials Download PDFInfo
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- CN105005284A CN105005284A CN201510425283.9A CN201510425283A CN105005284A CN 105005284 A CN105005284 A CN 105005284A CN 201510425283 A CN201510425283 A CN 201510425283A CN 105005284 A CN105005284 A CN 105005284A
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- Prior art keywords
- module
- automatic
- control system
- polyvinyl chloride
- control module
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by quality surveillance of production
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25021—Profibus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/40—Minimising material used in manufacturing processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to an automatic control system for preparing 90 DEG C polyvinyl chloride cable materials. The automatic control system comprises a power supply module, a host computer, a common programmable controller, and an automatic ingredient weighing module, an intelligent temperature control module, a pressure control module, a power driving module, a fault sudden stop module, a fault alarm module, and an automatic packaging control module respectively connected with the common programmable controller via intelligent I/O modules, the host computer communicates with the common programmable controller via a field bus, and the power supply module supplies power to the whole control system. According to the automatic control system, functions of automatic ingredient metering, automatic material conveying, automatic mixing, automatic adjustment of production process parameters, and a human-machine interaction module etc. are integrated to form a closed production mode, the automation degree of a PVC cable material production line is greatly improved, the labor intensity of operation personnel is effectively reduced, the production labor hour, the production cost, and the material consumption are reduced, and the economic effect is obvious.
Description
Technical field
The present invention relates to a kind of automation control system, specifically a kind of double screw extrusion machine automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials.
Background technology
Polyvinylchloride (PVC) is the high molecular thermoplast of a kind of high viscosity, thermal sensitivity, is one of current most popular plastics.Polyvinyl chloride cable material (hereinafter referred to as " PVC cable material ") is raw material by the resin of Polyvinylchloride series, adds plastifier, stabilizing agent, fire retardant and other special processing aids etc., form through mixing, extruding, plastify granulation.At present, in order to meet the needs of wires and cables industry model change, require that the temperature classification of PVC cable material is 70 DEG C, 90 DEG C and 105 DEG C, and the heat-resisting 90 DEG C of PVC cable material of number are most widely used.Traditional PVC cable material machining production line, is fed intake by manual weighing, and manual control high-speed kneading machine, mixer mixing are processed, and the subjectivity randomness of operator is comparatively strong, and value error is comparatively large, has had a strong impact on the stability of product quality.In addition, the material due to production PVC cable material mostly is powder and oil plant, and hand stock labour intensity is large, and environmental pollution is verified, directly has influence on the physical and mental health of operator.Therefore, improve the stability of PVC cable material product quality and improve the attention that processing environment is subject to PVC cable material manufacturing enterprise always.
At present, double screw extrusion machine forms primarily of main frame, servicing unit and control system, it is a kind of visual plant in PVC cable material processing machinery, it integrates extrusion molding and the mixed refining process of macromolecular material, greatly simplify and shorten the production process of PVC cable material, extruder high speed, high yield, make PVC cable material factory exchange high production and high profit for low cost.But, the screw speed high speed of double screw extrusion machine also brings the difficult point that a series of needs overcome: as material residence time minimizing in screw rod can cause the mixing plasticizing of material uneven, the excessive shear that stands material may cause the hurried intensification of material and thermal decomposition, extrudes stability control difficulty and can cause extrudate physical dimension fluctuation etc.In view of the technical matters existed in prior art, therefore, exigence improves relevant servicing unit or the automaticity of control system.
Summary of the invention
The object of the present invention is to provide a kind of automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials, this system collects automatic gauge batching, material automatic transport, automatic mixing, processing parameter adjust automatically and the function such as human-computer interaction module in being integrally formed closed production model, greatly improve the automaticity of PVC cable material production line, effectively reduce the labour intensity of operating personnel, reduce production hour expense and supplies consumption, have received obvious economic effect.
To achieve these goals, the technical solution used in the present invention is, a kind of automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials, comprise host computer, share Programmable Logic Controller, automatic batch weighing module, intelligent temperature control module, pressure control module, power drive module and power module, described host computer at least comprises human-computer interaction module and data memory module, described host computer and shared Programmable Logic Controller pass through field bus communication, described intelligent temperature control module, automatic batch weighing module, pressure control module is connected with shared Programmable Logic Controller by intelligent I/O module with power drive module, described power module is that whole control system is powered.
As a modification of the present invention, this automatic control system also comprises fault and suddenly stops module, fault alarm module and automatic packing control module, and described fault suddenly stops module, fault alarm module is connected with shared Programmable Logic Controller by intelligent I/O module with automatic packing control module.
As a modification of the present invention, described automatic batch weighing module comprises LOAD CELLS, described intelligent temperature control module comprises temperature sensor and solid-state relay, described pressure control module comprises pressure unit and pressure proportional regulator, and described power drive module comprises variable-frequence governor and solenoid valve.
As a modification of the present invention, described shared Programmable Logic Controller adopts Siemens S7-300 PLC.
As a modification of the present invention, described fieldbus adopts PROFIBUS-DP bus.
As a modification of the present invention, described automatic packing control module comprises LOAD CELLS and contactor.
Relative to prior art, present invention achieves the full-automatic operation of PVC cable material production line, automatic data acquisition and control are carried out to all devices in access control system, realize the stable operation of whole production line; Operating personnel carry out all processing parameters such as material proportion, temperature, pressure, mixing time, motor speed by the human-computer interaction module in host computer and arrange, and on human-computer interaction module can in dynamic set, show the course of work, real time data measured value, control point, the real-time operating conditions such as alarm set point and alarm condition of production line intuitively, for safe, stable, the economical operation of system provide good foundation.
Accompanying drawing explanation
Fig. 1 is the general structure figure of double screw extrusion machine.
Fig. 2 is the structured flowchart of automatic control system of the present invention.
In figure: 1-frame, 2-plasticizing system, 3-electrical control cabinet, 4-head, 5-heating-cooling device, 6-arrangements for speed regulation, 7-feeding device, 8-reducer casing, 9-drive motor, 10-exhausr port.
Embodiment
In order to deepen the understanding of the present invention and understanding, below in conjunction with accompanying drawing, the invention will be further described and introduce.
As shown in Figure 1, the main frame of double screw extrusion machine is primarily of frame 1, plasticizing system 2(comprises screw rod and machine barrel etc.), kinematic train (comprises drive motor 9, reducer casing 8 and arrangements for speed regulation 6), heating-cooling device 5(comprises electric heater, ventilated machine and exhausr port 10 etc.) and electrical control cabinet 3 form, wherein, screw rod is the plasticizing effect and the output that are directly connected to 90 DEG C of PVC cable material, screw rod rotary work in machine barrel is at high temperature, carry out under the condition of high pressure and large torque, because it is in rotary course, the main spiral shell rib that leans on carries out shearing plasticizing to material, and promote material reach, thus spiral shell rib bears huge shear stress and friction force.Machine barrel inside is generally divided into feeding section, mixing section and extruding pelletization section, and the material got togather through premix enters extruder barrel from charge door, is feeding section through machine barrel first paragraph, material can not melting in this stage, with screw drive, material is brought into the mixing section of machine barrel, and this section is the heating period, material starts melting, the friction force of material part increases, and forms high sticky body, continues the basic granulation section entering high shear with screw drive, make it very effectively be separated pigment aggregation, reach the object of fully dispersion.Kinematic train in above-mentioned whole process for screw rod provides power, to ensure that screw rod possesses required moment of torsion and rotating speed in the course of the work.Heating-cooling device 5 is to ensure that extruder can run well, and keeps extruder to have constant technological temperature.In the production run of 90 DEG C of PVC cable material, the electric heater on machine barrel and ventilated machine alternation, thus make machine barrel working temperature constant in the production technology temperature range of 90 DEG C of PVC cable material.
The servicing unit of double screw extrusion machine generally comprises feeding device 7, head 4, shaping equipment and storage device etc., is mainly configured according to the requirement of manufacturer.
As shown in Figure 2, a kind of automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials, be arranged in the electrical control cabinet 3 of double screw extrusion machine, comprise host computer, share Programmable Logic Controller, automatic batch weighing module, intelligent temperature control module, pressure control module, power drive module and power module.Described host computer at least comprises human-computer interaction module and data memory module, and operating personnel can carry out the control operation of production line automation very intuitively by human-computer interaction module.Described host computer and shared Programmable Logic Controller, by PROFIBUS-DP field bus communication, communicate especially by special PROFIBUS address card CP5611.Described shared Programmable Logic Controller adopts Siemens S7-300 PLC.Described intelligent temperature control module, automatic batch weighing module, pressure control module are connected with Siemens S7-300 PLC by intelligent I/O module with power drive module, and described power module is that whole automatic control system is powered.Described automatic batch weighing module comprises LOAD CELLS, for automatically controlling feeding device 7.Described intelligent temperature control module comprises temperature sensor and solid-state relay, intelligent temperature control module is electrically connected with electric heater and cooling blower by solid-state relay, by controlling the folding of solid-state relay and then whether switching the work of electric heater and cooling blower.Temperature sensor is arranged in plasticizing system 2, head 4, heating-cooling device 5 and feeding device 7.Described pressure control module comprises pressure unit and pressure proportional regulator, and described pressure unit is arranged in plasticizing system 2 and head 4.Described power drive module comprises variable-frequence governor and solenoid valve, and variable-frequence governor is arranged in arrangements for speed regulation, and solenoid valve is arranged in reducer casing.
This automatic control system also comprises fault and suddenly stops module, fault alarm module and automatic packing control module, described automatic packing control module comprises LOAD CELLS and contactor, and described fault suddenly stops module, fault alarm module is connected with shared Programmable Logic Controller by intelligent I/O module with automatic packing control module.Operating personnel can stop the device that module makes to break down and quit work immediately, to avoid the generation of peril by fault is anxious.Be provided with multiple malfunction monitoring point on the twin screw extruder, after any one malfunction monitoring point detects fault, fault alarm module is then sounded a buzzer and is equipped with emergency warning lamp flicker to remind operating personnel.Automatic packing control module is electrically connected by contactor with automatic packaging machine, and LOAD CELLS is arranged on automatic packaging machine.Plastify through double screw extrusion machine the 90 DEG C of polyvinyl chloride cable material finished products extruded and carry out Automatic weighing and packaging by automatic packaging machine after storage device is temporary.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, equivalents done on the basis of technique scheme or the alternative scope all falling into the claims in the present invention and protect.
Claims (6)
1. the automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials, it is characterized in that: comprise host computer, share Programmable Logic Controller, automatic batch weighing module, intelligent temperature control module, pressure control module, power drive module and power module, described host computer at least comprises human-computer interaction module and data memory module, described host computer and shared Programmable Logic Controller pass through field bus communication, described intelligent temperature control module, automatic batch weighing module, pressure control module is connected with shared Programmable Logic Controller by intelligent I/O module with power drive module, described power module is that whole control system is powered.
2. a kind of automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials as claimed in claim 1, it is characterized in that, this automatic control system also comprises fault and suddenly stops module, fault alarm module and automatic packing control module, and described fault suddenly stops module, fault alarm module is connected with shared Programmable Logic Controller by intelligent I/O module with automatic packing control module.
3. a kind of automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials as claimed in claim 1, it is characterized in that, described automatic batch weighing module comprises LOAD CELLS, described intelligent temperature control module comprises temperature sensor and solid-state relay, described pressure control module comprises pressure unit and pressure proportional regulator, and described power drive module comprises variable-frequence governor and solenoid valve.
4. a kind of automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials as claimed in claim 1 or 2, is characterized in that, described shared Programmable Logic Controller adopts Siemens S7-300 PLC.
5. a kind of automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials as claimed in claim 1, is characterized in that, described fieldbus adopts PROFIBUS-DP bus.
6. a kind of automatic control system for the preparation of 90 DEG C of polyvinyl chloride cable materials as claimed in claim 2, it is characterized in that, described automatic packing control module comprises LOAD CELLS and contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510425283.9A CN105005284A (en) | 2015-07-20 | 2015-07-20 | Automatic control system used for preparing 90 DEG C polyvinyl chloride cable materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510425283.9A CN105005284A (en) | 2015-07-20 | 2015-07-20 | Automatic control system used for preparing 90 DEG C polyvinyl chloride cable materials |
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| CN105005284A true CN105005284A (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510425283.9A Pending CN105005284A (en) | 2015-07-20 | 2015-07-20 | Automatic control system used for preparing 90 DEG C polyvinyl chloride cable materials |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113312A (en) * | 2016-08-23 | 2016-11-16 | 鹤山联塑实业发展有限公司 | A kind of organotin automatic adding device and detection monitoring method |
| CN111688054A (en) * | 2020-06-06 | 2020-09-22 | 南漳富元鼎航空器材配件有限公司 | Integrated rubber mixing system |
| CN114527721A (en) * | 2022-04-25 | 2022-05-24 | 广东祥利科技有限公司 | Method and system for monitoring online production of poly-PVC (polyvinyl chloride) modified cable granules and cloud platform |
-
2015
- 2015-07-20 CN CN201510425283.9A patent/CN105005284A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113312A (en) * | 2016-08-23 | 2016-11-16 | 鹤山联塑实业发展有限公司 | A kind of organotin automatic adding device and detection monitoring method |
| CN111688054A (en) * | 2020-06-06 | 2020-09-22 | 南漳富元鼎航空器材配件有限公司 | Integrated rubber mixing system |
| CN114527721A (en) * | 2022-04-25 | 2022-05-24 | 广东祥利科技有限公司 | Method and system for monitoring online production of poly-PVC (polyvinyl chloride) modified cable granules and cloud platform |
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Application publication date: 20151028 |