CN106217796A - The control system of a kind of spinning injector and control method thereof - Google Patents
The control system of a kind of spinning injector and control method thereof Download PDFInfo
- Publication number
- CN106217796A CN106217796A CN201610581726.8A CN201610581726A CN106217796A CN 106217796 A CN106217796 A CN 106217796A CN 201610581726 A CN201610581726 A CN 201610581726A CN 106217796 A CN106217796 A CN 106217796A
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- Prior art keywords
- injector
- pump shaft
- rotating speed
- metering pump
- spinning
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76595—Velocity
- B29C2945/76605—Velocity rotational movement
Abstract
The invention discloses the control system of a kind of spinning injector, including for the metering pump shaft tachometric survey equipment of measuring pump shaft rotating speed, controller, injector converter, injector motor, injector;Being machined with groove through milling machine on described metering pump shaft, described groove is to there being projection;Also disclose the control method of a kind of spinning injector, comprise the following steps: S1, the rotating speed of measuring pump shaft;S2, according to metering pump shaft rotating speed control injector rotating speed.In the present invention, control system and the control method thereof of a kind of spinning injector do not have manual operation in former control model and not in time or forget to operate brought additive excess or the problem of deficient amount, can also solve to measure and after pump shaft loses motor driving force, also have certain rotating speed, but the problem assigning this axle as the additive amount of owing that stopping is brought completely in former control model.The present invention, as the control system of a kind of spinning injector and control method thereof, can be widely applied to spinning field.
Description
Technical field
The present invention relates to spinning field, the control system of a kind of spinning injector and control method thereof.
Background technology
Article one, producing the POY production line of black silk, have 12 positions, each position comprises 2 metering pump shafts, and each
Motor drives adjacent 4 piece metering pump shaft by attachment means, and whole production line is driven 24 metering pump shafts by 6 motors.
Existing spinning injector control model is the rotating speed that the start-stop radical according to metering pump shaft determines injector.24 dosing pumps
The start-stop of axle is represented by 24 switching signals, and signal is passed by the start and stop of every metering pump shaft by manually stirring a corresponding switch
Delivering to the interface of PLC, PLC is according to total way of " on " in 24 path switching signals, and the frequency of output correspondence is to frequency conversion
Device, converter drives the motor of injector again.This control model has a disadvantage in that
After metering pump shaft start-stop, workman stirs corresponding auxiliary switch the most in time, and PLC adjusts turning of injector the most in time
Speed, causes additive supply inequality;Sometimes workman forgets to stir auxiliary switch, and the supply causing additive is the most inaccurate:
Forgetting after stopping axle to disconnect auxiliary switch, additive then can excess;Forgetting ON switch after opening axle, additive just owes amount.
Artificial stopping measures pump shaft, it is simply that departed from clutch by metering pump shaft so that it is lose the driving force of motor.But
Under the promotion of spinning melt, the metering pump shaft losing motor driving force also has certain rotating speed (each axle rotating speed is inconsistent).Former
In control model, after manually stopping an axle, workman just turns off One-position switch, and PLC just treats this axle as stopping completely, can drop
Low injector rotating speed, the rotating speed of injector is the slowest compared with desired value in this case, thus causes additive to owe amount
(many axles become apparent from when stopping).
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide control system and the control thereof of a kind of spinning injector
Method processed, the control system of described spinning injector and control method thereof are no longer necessary to after can realizing open or stopping each metering pump shaft
Artificial toggle switch controls the rotating speed of injector, does not haves manual operation in former control model and not in time or forgets operation
Brought additive excess or the problem owing amount, it is also possible to solve also have certain turning after metering pump shaft loses motor driving force
Speed, but the problem assigning this axle as the additive amount of owing that stopping is brought completely in former control model.
The technical solution adopted in the present invention is: the control system of a kind of spinning injector, including for measuring pump
The metering pump shaft tachometric survey equipment of axle rotating speed, controller, injector converter, injector motor, injector, described dosing pump
The outfan of axle tachometric survey equipment is connected with the input of controller, the outfan of described controller and injector converter
Input connects, and the outfan of described injector converter is connected with the input of injector motor, described injector motor
Outfan is connected with the input of injector;
Being machined with groove through milling machine on described metering pump shaft, described groove is to there being projection.
Further, described metering pump shaft tachometric survey equipment includes proximity switch and single-chip microcomputer, described proximity switch
Outfan is connected with the input of single-chip microcomputer, and the outfan of described single-chip microcomputer is connected with the input of controller.
Further, described groove includes the concave plane dividing metering pump shaft shaft section equally.
Further, described controller includes computer, notebook computer.
Further, the control system of described a kind of spinning injector also includes warning device, the output of described controller
End is connected with the input of warning device.
The control method that another solution is that a kind of spinning injector of the present invention, is applied to described one
Plant the control system of spinning injector, comprise the following steps:
S1, the rotating speed of measuring pump shaft;
S2, according to metering pump shaft rotating speed control injector rotating speed.
Further, described step S2 comprises the following steps:
S21, according to metering pump shaft rotating speed utilize FR=(VR*FS)/VSObtain frequency F that injector converter should runR, note
Record frequency FR, wherein, FSFor according to technological requirement, all measure the running frequency of injector converter, V when pump shaft all runsSFor
When the running frequency of injector converter is FSAnd when all metering pump shaft all runs, all measure the rotating speed sum of pump shaft, VRFor
During actual production, all measure the actual speed sum of pump shaft, FRDuring for actual production, the frequency that injector converter should run
Rate;
S22, frequency F should run according to injector converterRControl the rotating speed of injector.
Further, described step S1 comprises the following steps:
Protruding and output on S11, proximity switch detection metering pump shaft and the protruding corresponding pulse signal of number;
S12, single-chip microcomputer receive the pulse signal cycle with each pulse signal of measurement of proximity switch input, and by measurement result
It is sent to controller;
S13, controller are taked to lose the mode of into one and are calculated and the cycle of the protruding corresponding pulse signal of number, according to pulse week
Phase obtains measuring the rotating speed of pump shaft, and records the rotating speed of metering pump shaft.
Further, the control method of described a kind of spinning injector also includes:
S3, monitor speed according to metering pump shaft produce exception reporting to the police.
Further, the control method of described a kind of spinning injector also includes:
S4, the raw material consumed according to the rotating speed and manufacturing parameter statistics measuring pump shaft.
The invention has the beneficial effects as follows: in the present invention, the control system of a kind of spinning injector is surveyed by metering pump shaft rotating speed
The actual speed of amount each metering pump shaft of equipment Inspection, controller controls turning of injector according to the actual speed of metering pump shaft
Speed, it is achieved be no longer necessary to artificial toggle switch after opening or stopping each metering pump shaft to control the rotating speed of injector, do not have former
In control model, manual operation not in time or forgets that the additive that brought of operation is excessive or deficient amount problem.
Another of the present invention provides the benefit that: in the present invention, the control method of a kind of spinning injector is by each meter of detection
The actual speed of amount pump shaft, it is achieved be no longer necessary to artificial toggle switch after opening or stopping each metering pump shaft to control turning of injector
Speed, does not haves manual operation in former control model and not in time or forgets the problem that operation is brought;When manually stopping metering
During pump shaft, single-chip microcomputer can detect the slow rotating speed of the metering pump shaft losing motor driving force, and control program have also contemplated that when calculating
These slow-speed speed, solve the problem of the additive amount of owing present in former control model, and control accuracy is higher.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
Fig. 1 is the structured flowchart of the control system of a kind of spinning injector in the present invention;
Fig. 2 is a specific embodiment schematic diagram of the metering pump shaft of the control system of a kind of spinning injector in the present invention;
Fig. 3 is Fig. 2 sectional view on A-A direction;
Fig. 4 be in the present invention in the control system of a kind of spinning injector proximity switch with metering pump shaft scheme of installation;
Fig. 5 is the flow chart of steps of the control method of a kind of spinning injector in the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.
The control system of a kind of spinning injector, is the control system of a kind of spinning injector in the present invention with reference to Fig. 1, Fig. 1
The structured flowchart of system, including for the metering pump shaft tachometric survey equipment of measuring pump shaft rotating speed, controller, injector frequency conversion
Device, injector motor, injector, the outfan of described metering pump shaft tachometric survey equipment is connected with the input of controller, institute
The input of the outfan and injector converter of stating controller is connected, the outfan of described injector converter and injection electromechanics
The input of machine connects, and the described outfan of injector motor is connected with the input of injector;
Being machined with groove through milling machine on described metering pump shaft, described groove is to there being projection.
In the present embodiment, metering pump shaft tachometric survey equipment records the rotating speed of metering pump shaft, and sends it to control
Device, controller calculates, according to the rotating speed of metering pump shaft, the frequency that injector converter should run, and is sent to by this frequency values
Injector converter, injector converter is according to the FREQUENCY CONTROL injector motor that should run, and then controls turning of injector
Speed.Thus, the rotation speed change of metering pump shaft can directly affect the rotating speed of injector, solves present in prior art artificial
Operation not in time or is forgotten to operate brought additive excess or the problem of deficient amount, it is also possible to solves metering pump shaft and loses electricity
Certain rotating speed is also had after machine driving force, but this axle as the additive amount of owing that stopping is brought completely in former control model
Problem.
Metering pump shaft itself be smooth circular shaft, need on axle increase band sags and crests device or on axle milling concave plane
Just have sags and crests.Because often wanting demolition, installation to measure pump shaft during maintenance, and metering pump shaft must be removed during demolition, installation metering pump shaft
On optional feature.Later maintenance, the present invention does not increase the device of band sags and crests on axle, but in circle
Processing groove through milling machine on metering pump shaft, described groove, to there being projection, utilizes described projection i.e. can detect metering pump shaft
Rotating speed, and the maintenance of convenient equipment in the future.
As the further improvement of technical scheme, described groove includes the concave plane dividing metering pump shaft shaft section equally.
On axle, the milling of a certain position meets the concave plane of the testing requirement that tests the speed, and can reduce the intensity of axle, and concave plane is the most, by force
Spend the lowest;If but concave plane is very few, the sensitivity tested the speed is on the low side, in the present embodiment, referring to figs. 2 and 3, Fig. 2 is this
One specific embodiment schematic diagram of the metering pump shaft of the control system of bright middle a kind of spinning injector, Fig. 3 is that Fig. 2 is in A-A direction
On sectional view, through considering the intensity of axle and two factors of sensitivity of control, determine on every circular shaft selected one
Individual position (this position is conveniently accessible to the installation switched) along the circumferential direction mills out the concave plane of 4 deciles metering pump shaft shaft sections,
Then on metering pump shaft 1, processing interior cube 2 be can obtain, groove and projection obtained by milling concave plane on metering pump shaft 1,
Described projection is that the seamed edge obtained is intersected in adjacent concave plane.Other reach same effect according to after same principle transformation metering pump shaft
Technical scheme also within the protection domain of the present patent application.
As the further improvement of technical scheme, described metering pump shaft tachometric survey equipment includes proximity switch and monolithic
Machine, the outfan of described proximity switch is connected with the input of single-chip microcomputer, the outfan of described single-chip microcomputer and the input of controller
End connects.
In the present embodiment, it is proximity switch in the control system of a kind of spinning injector in the present invention with reference to Fig. 4, Fig. 4
With the scheme of installation of metering pump shaft, on metering pump shaft, the concave plane of metering axle shaft section, each concave plane are divided in milling four equally
Width be 20mm, the proximity switch so selecting diameter≤12mm all can correct measurement.As shown in Figure 4, at circular dosing pump
Behind four concave planes of the symmetrical milling of axle 1, this part metering pump shaft reformed into square, i.e. in cube 2, proximity switch 3 passes through
Fixed support 4 is fixed, and adjusts horizontal range L1 of proximity switch 3 and fixing end, makes proximity switch 3 face in vertical direction
The position of the interior cube 2 of metering pump shaft, provides 24V DC voltage then to proximity switch 3, then adjusts proximity switch 3 with interior
Vertical dimension L2 of cube 2 so that the seamed edge (bossing) of interior cube 2, close proximity to switch 3, enters proximal to switch 3
Induction range time, proximity switch 3 exports high level;When the seamed edge (bossing) of interior cube 2 leaves the sense of proximity switch 3
When answering scope, proximity switch 3 output low level.So metering pump shaft turns around, and (four seamed edges of interior cube 2 sequentially pass through and connect
Nearly switch 3), proximity switch 3 the most alternately exports high and low level four times, is equivalent to export four pulse signals.
The pulse signal that proximity switch is exported is received by single-chip microcomputer, after single-chip microcomputer processes, is processed by pulse signal
After information send to obtain after controller processes measure pump shaft rotating speed, and according to metering pump shaft rotating speed control injection
The rotating speed of machine.
As the further improvement of technical scheme, described controller includes computer, notebook computer.
As the further improvement of technical scheme, the control system of described a kind of spinning injector also includes warning device,
The outfan of described controller is connected with the input of warning device.
In the present embodiment, described warning device is single-chip microcomputer, drives plate and alarm lamp, and described controller is computer, electricity
Nicergoline is crossed RS232 nine kinds of needles serial line interface and is connected with single-chip microcomputer.
The control method of a kind of spinning injector, is applied to the control system of described a kind of spinning injector, with reference to figure
5, Fig. 5 is the flow chart of steps of the control method of a kind of spinning injector in the present invention, comprises the following steps:
S1, the rotating speed of measuring pump shaft;
S2, according to metering pump shaft rotating speed control injector rotating speed.
In the present embodiment, the control method of a kind of spinning injector rotating speed by measuring pump shaft in the present invention,
And then control the rotating speed of injector, not only implementation method is simple, and can solve present in prior art manual operation not
Problem that is timely or that forget to operate brought additive excess or owe amount, it is also possible to solution metering pump shaft loses motor and drives
Rotating speed the most certain after power, but the problem assigning this axle as the additive amount of owing that stopping is brought completely in former control model.
As the further improvement of technical scheme, described step S1 comprises the following steps:
Protruding and output on S11, proximity switch detection metering pump shaft and the protruding corresponding pulse signal of number;
S12, single-chip microcomputer receive the pulse signal cycle with each pulse signal of measurement of proximity switch input, and by measurement result
It is sent to controller;
S13, controller are taked to lose the mode of into one and are calculated and the cycle of the protruding corresponding pulse signal of number, according to pulse week
Phase obtains measuring the rotating speed of pump shaft, and records the rotating speed of metering pump shaft.
In the present embodiment, as a example by 24 metering pump shafts, protruding on proximity switch detection metering pump shaft and export and
Protruding number thinks the pulse signal of correspondence, uses 3 pieces of single-chip microcomputers to receive the pulse signal of 24 proximity switch outputs, one piece of list
Sheet machine receives the pulse signal of 8 road proximity switch outputs, and single-chip microcomputer detects the pulse period of every road pulse signal and by pulse week
The time value of phase is sent to computer, the host computer procedure in computer process.
Specifically, it is contemplated that during machining concave plane, pump shaft is measured in circle in 4 concave planes on every metering pump shaft
Impossible decile completely on shaft section, therefore the host computer procedure on computer is the pulse period measuring 4 pulse signals continuously
Sum, turns around required time as this axle, on the premise of the time is not zero, it is inverted, just obtains corresponding measurement pump shaft
Rotating speed.In order to improve the response speed of control system, take to lose the way of into one: assuming that measured 4 continuous print pulses
In the cycle, numbering is No. 1-4, when the 5th pulse period comes in, loses original No. 1 pulse period, by No. 2-4 original change
For No. 1-3, the 5th pulse period newly entered becomes No. 4, thus ensures 4 the pulse always continuous print being used for calculating, and works as
When 5th pulse period was not waited with original No. 1 pulse period, mean that the metering pump shaft required time that turns around changes,
That is to say that the speed of this metering pump shaft changes, then computer, i.e. controller will make corresponding reaction, are equivalent to pump shaft and turn
1/4th enclose, and controller will make corresponding reaction, and control accuracy is higher.
As the further improvement of technical scheme, described step S2 comprises the following steps:
S21, according to metering pump shaft rotating speed utilize FR=(VR*FS)/VSObtain frequency F that injector converter should runR, note
Record frequency FR, wherein, FSFor according to technological requirement, all measure the running frequency of injector converter, V when pump shaft all runsSFor
When the running frequency of injector converter is FSAnd when all metering pump shaft all runs, all measure the rotating speed sum of pump shaft, VRFor
During actual production, all measure the actual speed sum of pump shaft, FRDuring for actual production, the frequency that injector converter should run
Rate;
S22, frequency F should run according to injector converterRControl the rotating speed of injector.
In the present embodiment, according to the rotating speed of the every metering pump shaft obtained according to FR=(VR*FS)/VSCan be calculated
Frequency F that injector converter should runR, injector converter is according to frequency FRControl injector motor, and then control injection
The rotating speed of machine.Therefore, being possible not only to realize when artificial start-stop metering pump shaft, controller receives the detection letter that single-chip microcomputer sends
Number, automatically calculate and regulate injector rotating speed, it is ensured that being evenly supplied of additive;And single-chip microcomputer can detect and lose motor driving
The slow rotating speed of the metering pump shaft of power, the host computer procedure of controller have also contemplated that these slow-speed speed, therefore to note when calculating
The control accuracy penetrating machine is higher, and additive supply is more accurate.
The present invention can record the rotating speed of metering pump shaft, because frequently start-stop metering pump shaft can affect product quality, Er Qie
If there being too much metering pump shaft out of service in the same time period, the possible tripping grinder of extruder, causes whole production line to stop production.Increase
Add the record to the rotating speed measuring pump shaft, in order to management personnel check production status, supervise employee by guidelines, also allow for
Reviewing of product quality.In the present embodiment, it is also possible to by the actual speed of each metering pump shaft of curve form record, in terms of 24
The frequency values that the rotating speed sum of amount pump shaft and injector converter should run, can find each meter easily from curve
The start-stop situation of amount pump shaft.It is possible not only to realize controlling function, can be also that the production management in workshop provides objective foundation.
As the further improvement of technical scheme, the control method of described a kind of spinning injector also includes:
S3, monitor speed according to metering pump shaft produce exception reporting to the police.
In the present embodiment, metering pump shaft needs a metal key pin to fix, when this root key pin with the connection of clutch
Fracture but split the most completely, or there are many xiphoid-process not of uniform size on after splitting but fracture two sides, the xiphoid-process on two sides it also occur that
Interlocking, at this moment metering pump shaft also accepts the driving of motor, but the rated speed before the fracture of rotating ratio key pin is more slowly, if behaviour
The most careful inspection of workmanship, it is not easy to find slowing of axle, will result in additive the most excessive.This situation is in reality
Having occurred repeatedly in production, the spinning cake color causing whole production line is partially deep, and the metering pump shaft of the key pin that broken is produced
Two spinning cake fiber numbers also can be less than normal.The method of the present invention can be after when detecting that key pin ruptures, metering pump shaft rotating speed be abnormal and Times
Alert, the quality problems that scission of link pin causes can be avoided.
The basis for estimation of metering pump shaft rotating speed exception is: as the setting speed of two metering pump shafts at same position is
, when detecting that wherein a metering pump shaft runs with setting speed, but the actual speed of another root metering pump shaft is more than setting
The 80% of speed, and less than the 95% of setting speed, if this situation is maintained for more than 5 seconds, then controller judges low cruise
Axle problematic, be simultaneously emitted by alarm signal remind operator go inspection to process, can by send audible ringing signal or
Word alarm signal is reminded.
As the further improvement of technical scheme, the control method of described a kind of spinning injector also includes:
S4, the raw material consumed according to the rotating speed and manufacturing parameter statistics measuring pump shaft.
In the present embodiment, workshop is originally by manually adding up the consumption of raw materials of each teams and groups, according to presetting in the present invention
Technological parameter and metering pump shaft actual speed value, programming count each teams and groups every day and the raw material monthly consumed.The present invention
Programming count consumption of raw materials, improves statistical efficiency;There is provided figure and data for management personnel simultaneously, employee can be supervised strictly by rule
Journey operates, and improves product quality, reduces the consumption of raw material, also allows for reviewing of product quality.
Further, controller can show various production information, and as a example by computer, the main interface of computer monitor is big
Cause is divided into four regions: upper left side shows that each metering pump shaft turns around the time used;Lower left comprises Password Input district, with
Time show nominal operating frequency and the actual motion frequency values of injector converter;Upper right side is that the parameter of 24 metering pump shafts sets
Determine district;Lower right is the data in terms of alarm logging and consumption of raw materials, whole interface display abundant in content and also clear.
As the further improvement of technical scheme, close host computer procedure due to production period and quality may be caused to ask
Topic.For the output voltage of this supervisory control device of the present invention, and utilize the output voltage of warning device detection controller, when output electricity
When pressure changes, warning device is reported to the police.
In the present embodiment, by the 4th pin output voltage of the RS232 nine kinds of needles serial line interface of program controlled computer, and use
Single-chip microcomputer detects the voltage of this pin, and when host computer procedure is closed, the 4th pin output voltage of serial line interface will change, single
Sheet chance sends alarm signal, reminds operator to check.
It is above the preferably enforcement of the present invention is illustrated, but the invention is not limited to described enforcement
Example, those of ordinary skill in the art it may also be made that all equivalent variations on the premise of spirit of the present invention or replacing
Changing, deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (10)
1. the control system of a spinning injector, it is characterised in that include the metering pump shaft for measuring pump shaft rotating speed
Tachometric survey equipment, controller, injector converter, injector motor, injector, described metering pump shaft tachometric survey equipment
Outfan is connected with the input of controller, and the outfan of described controller is connected with the input of injector converter, described
The outfan of injector converter is connected with the input of injector motor, the outfan of described injector motor and injector
Input connects;
Being machined with groove through milling machine on described metering pump shaft, described groove is to there being projection.
The control system of a kind of spinning injector the most according to claim 1, it is characterised in that described metering pump shaft rotating speed
Measurement equipment includes that proximity switch and single-chip microcomputer, the outfan of described proximity switch are connected with the input of single-chip microcomputer, described list
The outfan of sheet machine is connected with the input of controller.
The control system of a kind of spinning injector the most according to claim 1 and 2, it is characterised in that described groove includes
Divide the concave plane of metering pump shaft shaft section equally.
The control system of a kind of spinning injector the most according to claim 1, it is characterised in that described controller includes electricity
Brain, notebook computer.
5. according to the control system of a kind of spinning injector described in claim 1,2 or 4, it is characterised in that also include reporting to the police
Equipment, the outfan of described controller is connected with the input of warning device.
6. a control method for spinning injector, is applied to inject according to a kind of spinning described in any one of claim 1 to 5
The control system of machine, it is characterised in that comprise the following steps:
S1, the rotating speed of measuring pump shaft;
S2, according to metering pump shaft rotating speed control injector rotating speed.
The control method of a kind of spinning injector the most according to claim 6, it is characterised in that described step S2 include with
Lower step:
S21, according to metering pump shaft rotating speed utilize FR=(VR*FS)/VSObtain frequency F that injector converter should runR, note
Record frequency FR, wherein, FSFor according to technological requirement, all measure the running frequency of injector converter, V when pump shaft all runsSFor
When the running frequency of injector converter is FSAnd when all metering pump shaft all runs, all measure the rotating speed sum of pump shaft, VRFor
During actual production, all measure the actual speed sum of pump shaft, FRDuring for actual production, the frequency that injector converter should run
Rate;
S22, frequency F should run according to injector converterRControl the rotating speed of injector.
The control method of a kind of spinning injector the most according to claim 6, it is characterised in that described step S1 include with
Lower step:
Protruding and output on S11, proximity switch detection metering pump shaft and the protruding corresponding pulse signal of number;
S12, single-chip microcomputer receive the pulse signal cycle with each pulse signal of measurement of proximity switch input, and by measurement result
It is sent to controller;
S13, controller are taked to lose the mode of into one and are calculated and the cycle of the protruding corresponding pulse signal of number, according to pulse week
Phase obtains measuring the rotating speed of pump shaft, and records the rotating speed of metering pump shaft.
9. according to the control method of a kind of spinning injector described in any one of claim 6 to 8, it is characterised in that also include:
S3, monitor speed according to metering pump shaft produce exception reporting to the police.
The control method of a kind of spinning injector the most according to claim 9, it is characterised in that also include:
S4, the raw material consumed according to the rotating speed and manufacturing parameter statistics measuring pump shaft.
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CN201520045U (en) * | 2009-09-15 | 2010-07-07 | 宁波弘讯科技有限公司 | Energy-saving control system for oil-electric compound injection molding machine |
CN102358019A (en) * | 2011-07-27 | 2012-02-22 | 深圳大学 | Double-servo control system and energy-saving injection molding machine comprising same |
CN102320105A (en) * | 2011-08-24 | 2012-01-18 | 佘晓峰 | Modularized combined type all-electric rubber injection machine |
CN104931719A (en) * | 2014-03-20 | 2015-09-23 | 浙江海峰制鞋设备有限公司 | Speed measurement and metering device, mixing system using the device and mixing method |
CN205154590U (en) * | 2015-11-18 | 2016-04-13 | 福建景丰科技有限公司 | Spinning measurement pump control system |
CN205853289U (en) * | 2016-07-21 | 2017-01-04 | 广东新会美达锦纶股份有限公司 | A kind of control system of spinning injector |
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