CN202948331U - Liquid continuous automatic measuring charging system for sealant production - Google Patents
Liquid continuous automatic measuring charging system for sealant production Download PDFInfo
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- CN202948331U CN202948331U CN2012206455469U CN201220645546U CN202948331U CN 202948331 U CN202948331 U CN 202948331U CN 2012206455469 U CN2012206455469 U CN 2012206455469U CN 201220645546 U CN201220645546 U CN 201220645546U CN 202948331 U CN202948331 U CN 202948331U
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Abstract
The utility model discloses a liquid continuous automatic measuring charging system and method for sealant production and belongs to a silicone sealant production charging device. The system comprises a liquid storing tank and a liquid adding point which is communicated with the interior of the liquid storing tank through a pipeline, a driving pump for driving liquids in the liquid storing tank to flow out and a flowmeter for measuring liquid flow and real-timely feeding back the value of the liquid flow to a control module are arranged on the pipeline between the liquid adding point and the liquid storing tank, the control module is used for comparing the flow value real-timely fed back by the flowmeter with a given value preset in the control module and calculating to obtain a real-time deviation value between the flow value and the given value, and thereby the flow value keeps consistent with the given value all the time. The flowmeter real-timely feeds back the flow value to the control module to calculate to obtain the deviation value, the driving pump controls the flow on the basis of the deviation value, and accurate measuring is achieved. The charging system is simple in structure and wide in application range and can serve as a liquid charging section device in other various production lines.
Description
Technical field
The utility model relates to a kind of silicone sealant and produces feeding device, and in particular, the utility model relates generally to a kind of liquid serialization automatic gauge charging system for fluid sealant production.
Background technology
The silicone sealant field adopts many intermittently reinforced methods to produce silicone sealant at present, the mode that liquid adds is generally at times and quantitatively adds, and mostly be artificial input in adition process, and the mode that manually drops into liquid charging stock in the time, add and exist larger difference on component, all there is error in the time that adds as each raw material, and there is the factor such as residual that feeds intake during injected volume, can cause the product quality between different batches there are differences, so the consistance of production line production product quality can not get ensureing.Prior art adopts the auxiliary liquid charging stock that adds of pulse measurement pump in addition, but because partly there is different viscosity in the liquid in the fluid sealant starting material, adopt aforementioned manner the situations such as transient pulse can occur in adition process, make that liquid is discontinuous in adition process, there is deviation in metering, and there is fluctuation in addition in adition process, can't accurately add liquid charging stock to sealant production device uniformly, therefore for the liquid charging stock adding apparatus in aforementioned fluid sealant production line, be necessary to do further improvement.
The utility model content
One of the purpose of this utility model is to solve above-mentioned deficiency, a kind of liquid serialization automatic gauge charging system and method for fluid sealant production is provided, solving in prior art with expectation adds liquid material accurately to control to sealant production device, there is fluctuation in addition, and there are the technical matterss such as deviation in metering.
For solving above-mentioned technical matters, the utility model by the following technical solutions:
The utility model provides a kind of liquid serialization automatic gauge charging system for fluid sealant production on the one hand, comprise wet tank, and the liquid that is connected with wet tank inside by pipeline adds a little, described liquid add a little and the pipeline between wet tank on also be provided with for driving the driving pump that in wet tank, liquid flows out, and be used for liquid flow mearuement and in real time to the flowmeter of control module feedback; Described control module is used for the flow value according to flowmeter institute Real-time Feedback, compare with set-point default in control module, obtain the real-time deviate between flow value and set-point, regulate in real time the delivery rate of driving pump according to described deviate, flow value is consistent with set-point all the time.
As preferably, further technical scheme is: also be provided with motor in described driving pump, and control module access motor, and control in real time the rotating speed of motor by the deviate between flow value and set-point, and then control the delivery rate of driving pump.
Further technical scheme is: described control module is pid control module, and is integrated in programmable logic controller (PLC).
Further technical scheme is: in described control module, default set-point is by any number of programmable logic controller (PLC) to the pid control module input.
The utility model provides a kind of liquid serialization automatic gauge charging process for fluid sealant production on the other hand, and described method comprises the following steps based on the above-mentioned liquid serialization automatic gauge charging system that fluid sealant is produced that is used for:
Steps A, control module be according to the flow value of flowmeter institute Real-time Feedback, compares with set-point default in control module, calculates the deviate between flow value and set-point;
Step B, control module be according to resulting deviate in steps A, controls the rotating speed of driving pump motor, and the set-point of presetting in the flow value that makes driving pump and control module is consistent.
As preferably, further technical scheme is: the default set-point in described steps A is for by any number of programmable logic controller (PLC) to the control module input.
Further technical scheme is: in described steps A, control module compares flow value and set-point, obtains the mode of deviate for adopting set-point to deduct flow value; When the deviate that obtains on the occasion of the time, control module is controlled motor and is improved rotating speed, with the augmented flow value; When the deviate that obtains was negative value, control module was controlled motor reduction rotating speed, to reduce flow value; When the deviate that obtains is 0, control module attonity.
Further technical scheme is: in described steps A, control module compares flow value and set-point, obtains the mode of deviate for adopting flow value to deduct set-point; When the deviate that obtains on the occasion of the time, control module is controlled motor and is reduced rotating speed, to reduce flow value; When the deviate that obtains was negative value, control module was controlled motor raising rotating speed, with the augmented flow value; When the deviate that obtains is 0, control module attonity.
Further technical scheme is: when the above-mentioned liquid serialization automatic gauge charging system that is used for fluid sealant production was moved, steps A and step B constantly were cycled to repeat.
Compared with prior art, one of the beneficial effects of the utility model are: calculate deviate by flowmeter Real-time Feedback flow value to control module, and with the foundation of deviate as the driving pump flow control, make flow that liquid adds a place all the time with control module in set-point be consistent, thereby realize accurate-metering, and continuously, stable, add liquid charging stock uniformly in process units, guaranteed the consistance that production line is produced product.Simultaneously a kind of liquid serialization automatic gauge charging system of producing for fluid sealant provided by the utility model is simple in structure, especially be suitable on the silicone sealant production line system that adds as liquid charging stock, also can be as liquid feeding section device in other all kinds of production lines, range of application is wide.
Description of drawings
Fig. 1 is for being used for the structural representation of an embodiment of explanation the utility model;
Fig. 2 is for being used for the control flow chart of another embodiment control module of explanation the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated.
With reference to shown in Figure 1, an embodiment of the present utility model is a kind of liquid serialization automatic gauge charging system for fluid sealant production, comprise wet tank 1, and add a little 2 by the liquid that pipeline is connected with wet tank 1 inside, described liquid add a little 2 and wet tank 1 between pipeline on also be provided with the driving pump 3 that flows out for driving the interior liquid of wet tank 1, and the flowmeter 4 that is used for liquid flow mearuement and feeds back to control module in real time, and consider feedback and the convenience of controlling, driving pump 3 need to be arranged on the front end of flowmeter 4;
With reference to shown in Figure 2, the flow value that above-mentioned control module 5 is used for according to 4 Real-time Feedbacks of flowmeter, compare with set-point default in control module 5, obtain the real-time deviate between flow value and set-point, regulate in real time the delivery rate of driving pump 3 according to described deviate, flow value is consistent with set-point all the time.In the present embodiment, add a little 2 next equipment in the production line to add liquid charging stock by aforesaid liquid, and in implementation process, liquid add a little 2 flow should with from driving pump 3 to flowmeter 4 ducted fluid flow consistent, and aforesaid flow value is continuous a plurality of values, control module 5 compares calculating by these a plurality of flow values and set-point, and a plurality of flow values that obtain are formed coordinate curve, according to this coordinate curve, the flow of driving pump 3 is controlled.
And the flowmeter 4 in above-described embodiment is used for realizing the ducted real-time fluid flow of flow detection and feedback, the mode that adopts is integrated installation flow electric transducer therein, and the flow of liquid in pipeline is converted to the electric signal transmission being convenient to identify and calculate to control module.
And in another preferred embodiment of the utility model technical solution problem, control for ease of 5 pairs of driving pumps 3 of control module, fairly simple mode is directly to set up motor 6 in driving pump 3, and with control module 5 access motors 6, control module 5 is namely by calculating the deviate result between flow value and set-point, control in real time the rotating speed of motor 6, and then control the delivery rate of driving pump 3.But need to prove, driving pump 3 can retrain its uninterrupted by other devices fully, and aforesaid control motor 6 rotating speeds are only a kind of modes that control module 5 is controlled driving pump 3 flows.
The control module of repeatedly mentioning in two above-mentioned embodiment of the utility model, the inventor is through test of many times, think comparative optimization and what more easily realize above-mentioned control function is pid control module, pid control module has and is easily understood, do not need the advantages such as condition precedent such as accurate system model in use, thereby the application in the field is comparatively extensive at present.Pid control module is comprised of ratio unit (P), integral unit (I) and differentiation element (D).Its input e (t) is u (t)=kp[e (t)+1/TI ∫ e (t) dt+TD*de (t)/dt with pass of output u (t)] bound of integration is respectively 0 and t in formula, therefore its transport function is: G (s)=U (s)/E (s)=kp[1+1/ (TI*s)+TD*s], kp is scale-up factor in front formula; TI is integration time constant; TD is derivative time constant.
Pid control module is integrated in the PLC(programmable logic controller (PLC) of system outside) in, by signal wire respectively with flowmeter 4, motor 6 or directly be connected with driving pump 3, by the above-mentioned principle of pid control module, can realize the function described in above-described embodiment.And the set-point in above-described embodiment can be according to the different demands of the required lasting addition of production line, be set to any number, for example 5g/s or 10kg/h, respective value can be preset by the input media in programmable logic controller (PLC) in pid control module, as the set-point in above-described embodiment.
And on above-mentioned basis, another embodiment of the present utility model is a kind of liquid serialization automatic gauge charging process for fluid sealant production, and be based on the liquid serialization automatic gauge charging system that is used for fluid sealant production in the above embodiments at the present embodiment, the step of the method is as follows:
Steps A, control module 5 be according to the flow value of 4 Real-time Feedbacks of flowmeter, compares with set-point default in control module 5, calculates the deviate between flow value and set-point;
Step B, control module 5 be according to resulting deviate in steps A, controls the rotating speed of driving pump 3 motors 6, and the set-point of presetting in the flow value that makes driving pump 3 and control module 5 is consistent.
Identical with the above embodiments, the default set-point in steps A is by any number of programmable logic controller (PLC) to control module 5 inputs.
And in the present embodiment, in above-mentioned steps A, control module 5 compares flow value and set-point, and the optimal way that obtains deviate mainly contains two kinds, and with reference to the principle of above-mentioned pid control module, in simple terms, a kind of is to adopt set-point to deduct flow value; When the deviate that obtains on the occasion of the time, control module 5 is controlled motors 6 and is improved rotating speeds, with the augmented flow value; When the deviate that obtains was negative value, control module 5 was controlled motor 6 reduction rotating speeds, to reduce flow value; When the deviate that obtains is 0, control module 5 attonitys.And another kind is to adopt flow value to deduct set-point; When the deviate that obtains on the occasion of the time, control module 5 is controlled motors 6 and is reduced rotating speeds, to reduce flow value; When the deviate that obtains was negative value, control module 5 was controlled motor 6 raising rotating speeds, with the augmented flow value; When the deviate that obtains is 0, control module 5 attonitys.
And when the liquid serialization automatic gauge charging system that is used for fluid sealant production is in the above-described embodiments moved, steps A and step B constantly are cycled to repeat, be that flowmeter 4 constantly transfers to real-time flow data in control module 5 continuously, and control module is calculated in a manner mentioned above continuously, and according to a plurality of deviates that calculate continuously, form coordinate diagram, slope by coordinate diagram is controlled in real time to motor 6 or driving pump 3, adjust in real time the flow that liquid adds a place, make it identical or close with the set-point of input in control module 5.
Simultaneously on the basis of the above, that also need to describe is " embodiment ", " another embodiment " that speak of in this manual, " embodiment " etc., refers to specific features, structure or the characteristics described in conjunction with this embodiment and is included at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in instructions.Furthermore, when describing a specific features, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also drop in scope of the present utility model.
Although with reference to a plurality of explanatory embodiment of the present utility model, the utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (4)
1. one kind is used for the liquid serialization automatic gauge charging system that fluid sealant is produced, comprise wet tank (1), and the liquid that is connected with wet tank (1) inside by pipeline adds point (2), it is characterized in that: described liquid adds and also is provided with the driving pump (3) that flows out for driving interior the liquid of wet tank (1) on pipeline between point (2) and wet tank (1), and the flowmeter (4) that is used for liquid flow mearuement and feeds back to control module in real time; Described control module (5) is used for the flow value according to flowmeter (4) institute Real-time Feedback, compare with set-point default in control module (5), obtain the real-time deviate between flow value and set-point, regulate in real time the delivery rate of driving pump (3) according to described deviate, flow value is consistent with set-point all the time.
2. liquid serialization automatic gauge charging system of producing for fluid sealant according to claim 1, it is characterized in that: also be provided with motor (6) in described driving pump (3), control module (5) access motor (6), and control in real time the rotating speed of motor (6) by the deviate between flow value and set-point, and then control the delivery rate of driving pump (3).
3. liquid serialization automatic gauge charging system of producing for fluid sealant according to claim 1, it is characterized in that: described control module (5) is pid control module (5), and is integrated in programmable logic controller (PLC).
4. the liquid serialization automatic gauge charging system for fluid sealant production according to claim 3, is characterized in that: any number of the set-point of presetting in described control module (5) for inputting to pid control module (5) by programmable logic controller (PLC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206455469U CN202948331U (en) | 2012-11-29 | 2012-11-29 | Liquid continuous automatic measuring charging system for sealant production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206455469U CN202948331U (en) | 2012-11-29 | 2012-11-29 | Liquid continuous automatic measuring charging system for sealant production |
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| CN202948331U true CN202948331U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012206455469U Expired - Lifetime CN202948331U (en) | 2012-11-29 | 2012-11-29 | Liquid continuous automatic measuring charging system for sealant production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999054A (en) * | 2012-11-29 | 2013-03-27 | 成都硅宝科技股份有限公司 | Continuous and automatic liquid metering and feeding system and method for sealant production |
| CN106696111A (en) * | 2017-03-09 | 2017-05-24 | 佛山市金银河智能装备股份有限公司 | Flow online automatic regulating system and method for silicone adhesive continuous production |
-
2012
- 2012-11-29 CN CN2012206455469U patent/CN202948331U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999054A (en) * | 2012-11-29 | 2013-03-27 | 成都硅宝科技股份有限公司 | Continuous and automatic liquid metering and feeding system and method for sealant production |
| CN106696111A (en) * | 2017-03-09 | 2017-05-24 | 佛山市金银河智能装备股份有限公司 | Flow online automatic regulating system and method for silicone adhesive continuous production |
| CN106696111B (en) * | 2017-03-09 | 2023-04-07 | 佛山市金银河智能装备股份有限公司 | Flow online automatic adjusting method for continuous production of silicone adhesive |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |