CN202943779U - Continuous and automatic powder metering and charging system for sealant production - Google Patents
Continuous and automatic powder metering and charging system for sealant production Download PDFInfo
- Publication number
- CN202943779U CN202943779U CN2012206446506U CN201220644650U CN202943779U CN 202943779 U CN202943779 U CN 202943779U CN 2012206446506 U CN2012206446506 U CN 2012206446506U CN 201220644650 U CN201220644650 U CN 201220644650U CN 202943779 U CN202943779 U CN 202943779U
- Authority
- CN
- China
- Prior art keywords
- control module
- powder
- storage tank
- weightlessness balance
- charging system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Flow Control (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The utility model discloses a continuous and automatic powder metering and charging system for sealant production, which belongs to a charging device for silicone sealant production. The continuous and automatic powder metering and charging system comprises a powder storage tank, a weightlessness scale and a control module, wherein the weightlessness scale is communicated with the powder storage tank; a valve is also arranged between the weightlessness scale and the powder storage tank; the weightlessness scale is also provided with a weightlessness scale storage tank and a weight sensor; the weight sensor and the valve are both connected to the control module; and the control module is also used for comparing the flow rate value, which is fed back in real time by the flow rate sensor, of a charging port with a preset given value in the control module to obtain a real-time deviation value between the flow rate value and the given value, and the output flow rate at the charging port of the weightlessness scale is regulated in real time according to the deviation value, so that the flow rate value is always consistent with the given value. By virtue of the material discharge interval value range preset in the control module, errors caused by the bulk density variation of powder materials are reduced. The continuous and automatic powder metering and charging system provided by the utility model is especially suitable for serving as a powder raw material charging system on a silicone sealant production line.
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 powder 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, and the mode that the calcium carbonate powder raw material adds is generally and quantitatively adds at times, and mostly be artificial input in adition process, and the mode that manually drops into powder material 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, make the uniformity of production line production product quality can not get ensureing.Prior art adopts the fixed electrical machinery rotating speed in addition, the mode of operation is assisted and added powder material at times, but because existing bulk density, powder material feed supplement in adition process changes, make and easily occur error when adopting aforementioned manner to add raw material, cause discontinuous in the powder material adition process, metering to have a deviation, and there is fluctuation in addition in adition process, can't accurately add powder material to sealant production device uniformly, therefore for the powder material 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 powder serialization automatic gauge charging system and method for fluid sealant production is provided, solving in prior art with expectation adds powder material accurately to control to sealant production device, there is fluctuation in addition, and there are the technical problems such as deviation in metering.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
The utility model provides a kind of powder serialization automatic gauge charging system for fluid sealant production on the one hand, comprise powder storage tank and the Weightlessness balance that is connected with powder storage tank, also be provided with valve between described Weightlessness balance and powder storage tank, described charging system also comprises control module, and also is provided with Weightlessness balance storage tank and weight sensor on Weightlessness balance; The equal Access Control module of described weight sensor and valve, control module are used for the gravimetric value that feeds back according to weight sensor, compare with the discharging interval value scope of its internal preset, thus the unlatching of by-pass valve control or close; Also be provided with flow sensor near the charge door of described Weightlessness balance, also Access Control module of described flow sensor, described control module also is used for comparing with the set-point of its internal preset according to the charge door flow value of flow sensor Real-time Feedback, obtain the real-time deviate between flow value and set-point, regulate in real time the output flow of Weightlessness balance charge door according to described deviate, its flow value is consistent with set-point all the time.
As preferably, further technical scheme is: described powder storage tank inside also is equipped with agitating device, and also Access Control module of agitating device, and be used for controlling it by control module and open and close, and consistent with the open and close of valve.
Further technical scheme is: motor integrated in described control module and Weightlessness balance is connected, and controls in real time motor speed by the deviate between flow value and set-point, and then controls the output flow of Weightlessness balance charge door.
Further technical scheme is: the charge door of described Weightlessness balance also is connected with receiving hopper.
Further technical scheme is: described powder storage tank is soft the connection with the charge door of Weightlessness balance and Weightlessness balance with the mode of communicating of receiving hopper; Described control module is pid control module, and is integrated in the ECU inside of programmable logic controller (PLC) or Weightlessness balance.
Further technical scheme is: described soft connection is cloth bag or soft pipe connection; Described valve is pneumatic operated valve; Any number that in described control module, default set-point is inputted to pid control module for the ECU that passes through programmable logic controller (PLC) or Weightlessness balance.
The utility model provides a kind of powder 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 powder serialization automatic gauge charging system that fluid sealant is produced that is used for:
Steps A, control module are compared with the set-point of its internal preset according to the charge door flow value of flow sensor Real-time Feedback, calculate the real-time deviate between flow value and set-point;
Step B, regulating electric machine rotating speed real-time according to the deviate that obtains in steps A are consistent the output stream value of Weightlessness balance charge door all the time with set-point.
As preferably, further technical scheme is: described method also comprises the gravimetric value that step C, control module are fed back according to weight sensor, compare with the discharging interval value scope of its internal preset, when gravimetric value during lower than the lower limit of discharging interval value scope, send the signal controlling valve and open, and control the agitator startup of powder storage tank inside; , send the signal controlling valve and close during higher than the higher limit of discharging interval value scope when gravimetric value, and the agitator of controlling powder storage tank inside stops.
Further technical scheme is: the default any number of set-point for inputting to control module by programmable logic controller (PLC) in described steps A.
Further technical scheme is: when the above-mentioned powder 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: by discharging interval value scope default in control module, make Weightlessness balance accurately control the pre-addition of powder take weight as foundation, minimizing changes the error that produces because of bulk density, calculate deviate by near the flow sensor Real-time Feedback flow value the Weightlessness balance charge door to control module simultaneously, and with the foundation of deviate as the output flow of regulating the Weightlessness balance charge door, set-point in itself and control module is consistent, thereby realize accurate-metering, and continuously, stable, add powder material uniformly in process units, guaranteed the uniformity that production line is produced product.And a kind of powder serialization automatic gauge charging system for fluid sealant production provided by the utility model is simple in structure, especially be suitable on the silicone sealant production line system that adds as powder material, also can be as powder 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 structural representation of another embodiment of explanation the utility model.
The specific embodiment
Before elaborating the technical solution of the utility model, at first an important composition parts Weightlessness balance in the utility model system is done an explanation:
Weightlessness balance is a kind of weighing-appliance that is interrupted the feed continuous discharge, controlling due to vector is to carry out in storage tank, can reach higher control accuracy, and its structure is easy to again sealing, therefore comparatively excellent on the powder control performance, the control that is applicable to the superfine materials such as cement, pulverized limestone, coal dust is prepared burden.Control discharging screw machine or the electricity machine that shakes according to the minimizing speed of weight of material in storage tank, to reach the purpose of dosing, when the material in storage tank reaches when weighing the lower position, the discharging screw machine is according to the fixing load of at that time rotating speed, the material of controlling simultaneously in upstream equipment is transferred in storage tank fast, when being charged to the upper charging that namely stops of weighing in limited time, superfast loading can shorten feed time, improves the degree of accuracy and the control accuracy of weighing.
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 powder serialization automatic gauge charging system for fluid sealant production, comprise powder storage tank 1 and the Weightlessness balance 2 that is connected with powder storage tank 1, also be provided with valve 3 between described Weightlessness balance 2 and powder storage tank 1, described charging system also comprises control module, and also is provided with Weightlessness balance storage tank and weight sensor on Weightlessness balance 2; The effect of described weight sensor is that weight according to powder in the Weightlessness balance storage tank is to control module Real-time Feedback corresponding signal, and with valve 3 Access Control modules in the lump, control module is for the gravimetric value that feeds back according to weight sensor, compare with the discharging interval value scope of its internal preset, thus the unlatching of by-pass valve control 3 or close; Consider herein opening and closing instantaneous the completing of need of valve 3, to guarantee the accuracy of powder weight in discharging and Weightlessness balance storage tank, therefore aforementioned valve 3 preferably adopts shutdown rate pneumatic operated valve preferably;
And in above-described embodiment, weight sensor and control module cooperatively interact, and have also realized the accurate-metering to powder in the Weightlessness balance storage tank.
Also be provided with flow sensor near the charge door 6 of described Weightlessness balance 2, also Access Control module of described flow sensor, described control module also is used for charge door 6 flow values according to the flow sensor Real-time Feedback, compare with the set-point of its internal preset, to obtain the real-time deviate between flow value and set-point, regulate in real time the output flow of Weightlessness balance 2 charge doors 6 according to described deviate, its flow value is consistent with set-point all the time.
Than above-described embodiment, for improving the speed that in its powder storage tank 1, powder enters the Weightlessness balance storage tank, more preferably mode is to set up agitating device in powder storage tank 1 inside, by agitating device in powder storage tank 1 inner rotation, thereby accelerate powder from the inner speed that flows out of powder storage tank 1.And the control mode of agitating device is for also to access above-mentioned control module with it, be used for controlling its open and close by control module, and consistent with the open and close of valve 3, namely when agitating device starts, valve in above-described embodiment is also taken advantage of a situation and is opened, the powder of powder storage tank 1 namely enters the Weightlessness balance storage tank smoothly, and go out as shown in Figure 1, agitating device can pass through motor-driven.
in above-mentioned two embodiment, control module can adopt multiple execution unit to assist, powder flow to Weightlessness balance 2 charge door 6 places is controlled, and the inventor considers the structure of simplification system, and then directly motor 4 integrated in control module and Weightlessness balance 2 is connected, and control in real time motor 4 rotating speeds by the deviate between flow value and set-point, and then the output flow of control Weightlessness balance 2 charge doors 6, this kind mode no longer increases other servicing unit in system, be conducive to reduce the cost that the system integration is used, can be considered is that the utility model is used for the comparatively preferred embodiment of technical solution problem.
the powder serialization automatic gauge charging system that is used for fluid sealant production in above-described embodiment, its purpose is that the powder material in powder storage tank 1 is even, continuously, add accurately in downstream unit, therefore the charge door 6 of Weightlessness balance 2 also is connected with the receiving hopper 5 of downstream unit, and the mode of its connection is considered from the characteristic to the powder material conveying, and the mobility of the system integration, preferably adopt as cloth bag, the soft mode of communicating of the modes such as flexible pipe, and based on afore-mentioned characteristics, preferably also be set to this type of soft mode that is communicated with between powder storage tank 1 and Weightlessness balance 2.
And 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 prerequisite 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 transfer function is: G (s)=U (s)/E (s)=kp[1+1/ (TI*s)+TD*s], kp is proportionality coefficient in front formula; TI is integration time constant; TD is derivative time constant.
Pid control module is according to the difference of system applies, can directly be integrated in the inside of the ECU that Weightlessness balance 2 carries, and namely above-mentioned default set-point is by the input of the input block in ECU pid control module; Perhaps be integrated in special Programmable Logic Controller, input above-mentioned default set-point by the input equipment that is equipped with on Programmable Logic Controller to pid control module.And the aforementioned default set-point of inputting is given according to required, the set any number of production line powder addition, for example 5g/s or 10kg/h.
with reference to shown in Figure 2, again according to another embodiment of the present utility model, when practical application, for the reinforced larger upstream device of demand of powder, can be with the powder serialization automatic gauge charging system that is used for fluid sealant production in above-described embodiment as a unit, for example being set to three unit feeds in raw material in receiving hopper 5 simultaneously, thereby when satisfying the reinforced demand of a large amount of powders, also the flow of charge door 6 is accurately controlled, make reinforced continous-stable, and by cooperatively interacting of control module and weight sensor, also make system more accurate to the metering of reinforced powder.
Another embodiment of the utility model is a kind of powder serialization automatic gauge charging process for fluid sealant production, described method preferably operates in accordance with the following steps based on the powder serialization automatic gauge charging system that fluid sealant is produced that is used in above-described embodiment:
Steps A, control module are compared with the set-point of its internal preset according to charge door 6 flow values of flow sensor Real-time Feedback, calculate the real-time deviate between flow value and set-point;
The rotating speed of step B, regulating electric machine real-time according to the deviate that obtains in steps A 4 is consistent the output stream value of Weightlessness balance 2 charge doors 6 all the time with set-point.
And in another embodiment of the present utility model, described charging process also should be proceeded step C, be the gravimetric value that control module is fed back according to weight sensor, compare with the discharging interval value scope of its internal preset, when gravimetric value during lower than the lower limit of discharging interval value scope, send signal controlling valve 3 and open, and control the agitator startup of powder storage tank 1 inside; , send signal controlling valve 3 and close during higher than the higher limit of discharging interval value scope when gravimetric value, and the agitator of controlling powder storage tank 1 inside stops.Where necessary, step C can constantly be cycled to repeat.
And what put down in writing as above-described embodiment, the default set-point in the steps A of above-described embodiment is by any number of programmable logic controller (PLC) to the control module input, for example 5g/s or 10kg/h.
And in the present embodiment, in above-mentioned steps A, control module 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 is controlled motor 4 and is improved rotating speeds, with the augmented flow value; When the deviate that obtains was negative value, control module was controlled motor 4 reduction rotating speeds, to reduce flow value; When the deviate that obtains is 0, control module attonity.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 is controlled motor 4 and is reduced rotating speeds, to reduce flow value; When the deviate that obtains was negative value, control module was controlled motor 4 raising rotating speeds, with the augmented flow value; When the deviate that obtains is 0, control module attonity.
and when the powder serialization automatic gauge charging system that is used for fluid sealant production is in the above-described embodiments moved, steps A in above-described embodiment and step B constantly are cycled to repeat, be that flow sensor constantly transfers to the real-time flow data of Weightlessness balance 2 charge doors 6 in control module continuously, 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 other accessories of motor 4 or Weightlessness balance 2 charge doors 6, adjust in real time the flow of charge door 6 powders, make it identical or close with the set-point inputted in control module.
" embodiment " who speaks of in this manual, " another embodiment ", " embodiment ", etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be 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 specification.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 (6)
1. one kind is used for the powder serialization automatic gauge charging system that fluid sealant is produced, comprise powder storage tank (1) and the Weightlessness balance (2) that is connected with powder storage tank (1), also be provided with valve (3) between described Weightlessness balance (2) and powder storage tank (1), it is characterized in that:
Described charging system also comprises control module, and also is provided with Weightlessness balance storage tank and weight sensor on Weightlessness balance (2);
Described weight sensor and valve (3) be the Access Control module all, and control module is used for the gravimetric value that feeds back according to weight sensor, compare with the discharging interval value scope of its internal preset, thus the unlatching of by-pass valve control (3) or close;
Also be provided with flow sensor near the charge door (6) of described Weightlessness balance (2), also Access Control module of described flow sensor, described control module also is used for comparing with the set-point of its internal preset according to charge door (6) flow value of flow sensor Real-time Feedback, obtain the real-time deviate between flow value and set-point, regulate in real time the output flow of Weightlessness balance (2) charge door (6) according to described deviate, its flow value is consistent with set-point all the time.
2. powder serialization automatic gauge charging system of producing for fluid sealant according to claim 1, it is characterized in that: described powder storage tank (1) inside also is equipped with agitating device, and also Access Control module of agitating device, be used for controlling its open and close by control module, and consistent with the open and close of valve (3).
3. powder serialization automatic gauge charging system of producing for fluid sealant according to claim 1, it is characterized in that: motor (4) integrated in described control module and Weightlessness balance (2) is connected, and control in real time motor (4) rotating speed by the deviate between flow value and set-point, and then control the output flow of Weightlessness balance (2) charge door (6).
4. the described powder serialization automatic gauge charging system of producing for fluid sealant of any claim of according to claim 1 to 3, it is characterized in that: the charge door (6) of described Weightlessness balance (2) also is connected with receiving hopper (5).
5. powder serialization automatic gauge charging system of producing for fluid sealant according to claim 4, it is characterized in that: described powder storage tank (1) is soft the connection with the charge door (6) of Weightlessness balance (2) and Weightlessness balance (2) with the mode of communicating of receiving hopper (5); Described control module is pid control module, and is integrated in the ECU inside of programmable logic controller (PLC) or Weightlessness balance (2).
6. powder serialization automatic gauge charging system of producing for fluid sealant according to claim 5, it is characterized in that: described soft connection is cloth bag or soft pipe connection; Described valve (3) is pneumatic operated valve; Any number that in described control module, default set-point is inputted to pid control module for the ECU that passes through programmable logic controller (PLC) or Weightlessness balance (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206446506U CN202943779U (en) | 2012-11-29 | 2012-11-29 | Continuous and automatic powder metering and charging system for sealant production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206446506U CN202943779U (en) | 2012-11-29 | 2012-11-29 | Continuous and automatic powder metering and charging system for sealant production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202943779U true CN202943779U (en) | 2013-05-22 |
Family
ID=48419492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206446506U Expired - Lifetime CN202943779U (en) | 2012-11-29 | 2012-11-29 | Continuous and automatic powder metering and charging system for sealant production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202943779U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962909A (en) * | 2012-11-29 | 2013-03-13 | 成都硅宝科技股份有限公司 | Automatic continuous powder metering and feeding system and method for production of sealants |
| CN103922155A (en) * | 2014-04-17 | 2014-07-16 | 王凤堂 | Fully program-controlled one-material one-scale batching device and method |
| CN113893770A (en) * | 2021-09-29 | 2022-01-07 | 移动源后处理技术(河南)研究院有限公司 | Ceramic fiber liner intelligence feeding system |
-
2012
- 2012-11-29 CN CN2012206446506U patent/CN202943779U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962909A (en) * | 2012-11-29 | 2013-03-13 | 成都硅宝科技股份有限公司 | Automatic continuous powder metering and feeding system and method for production of sealants |
| CN103922155A (en) * | 2014-04-17 | 2014-07-16 | 王凤堂 | Fully program-controlled one-material one-scale batching device and method |
| CN113893770A (en) * | 2021-09-29 | 2022-01-07 | 移动源后处理技术(河南)研究院有限公司 | Ceramic fiber liner intelligence feeding system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102962909A (en) | Automatic continuous powder metering and feeding system and method for production of sealants | |
| CN102147282A (en) | Intelligent dynamic weightlessness scale | |
| CN203389559U (en) | Novel material batching mechanism | |
| JP2021176696A (en) | Control method and control device for mixing plant, and mixing plant | |
| CN202943779U (en) | Continuous and automatic powder metering and charging system for sealant production | |
| CN205915548U (en) | Automatic mixing device | |
| CN204819939U (en) | Mixer of ground paste is filled in preparation of intermittent type formula | |
| CN102494746A (en) | System and method for material weighing and weighing controller | |
| CN106148680A (en) | A kind of sintering deposit Automatic Burden Control method and control system | |
| CN101596426A (en) | Automatic compounding system of solution in a kind of calcium carbonate wet-milling process and compound method | |
| CN103273582B (en) | The static mixing system of a kind of High Precision Automatic weight-loss type and method for mixing thereof | |
| CN207268843U (en) | A kind of band measures continuous loading and unloading system | |
| CN109634104A (en) | The intelligent optimal control device and its control method of cement raw mix proportioning process | |
| CN204058337U (en) | A kind of continous way polyurethane water-proof paint production line | |
| CN202836699U (en) | Weightlessness scale | |
| CN204388580U (en) | The quantitative feeding equipment of a kind of raw material for dry method cement rotary kiln | |
| CN204388581U (en) | A kind of quantitative feed system of dry method cement rotary kiln raw material of improvement | |
| CN206939127U (en) | A kind of automatic refining, at the uniform velocity feed hopper | |
| CN209191029U (en) | A kind of automatic material weighing mixing device | |
| CN103253405A (en) | System and method for controlling vibration feeding in speed stabilizing mode | |
| CN202195868U (en) | Powder dynamic weighing instrument | |
| CN202948331U (en) | Liquid continuous automatic measuring charging system for sealant production | |
| CN205909922U (en) | Accurate batching control system of carbide raw materials | |
| CN203124635U (en) | Control device for controlling liquid material to be stably charged | |
| CN202296208U (en) | Powdery flame retardant applying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |