CN201109779Y - Apparatus for automatic production of washing powder based on weightlessness balance control system - Google Patents

Apparatus for automatic production of washing powder based on weightlessness balance control system Download PDF

Info

Publication number
CN201109779Y
CN201109779Y CNU2007200854799U CN200720085479U CN201109779Y CN 201109779 Y CN201109779 Y CN 201109779Y CN U2007200854799 U CNU2007200854799 U CN U2007200854799U CN 200720085479 U CN200720085479 U CN 200720085479U CN 201109779 Y CN201109779 Y CN 201109779Y
Authority
CN
China
Prior art keywords
washing powder
plc
control
feed
weighing
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 - Fee Related
Application number
CNU2007200854799U
Other languages
Chinese (zh)
Inventor
张天昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHAN KEHENG INDUSTRIAL ENGINEERING Co Ltd
Original Assignee
WUHAN KEHENG INDUSTRIAL ENGINEERING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUHAN KEHENG INDUSTRIAL ENGINEERING Co Ltd filed Critical WUHAN KEHENG INDUSTRIAL ENGINEERING Co Ltd
Priority to CNU2007200854799U priority Critical patent/CN201109779Y/en
Application granted granted Critical
Publication of CN201109779Y publication Critical patent/CN201109779Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a washing powder automatic production device based on a weightless balance control system, which relates to a washing powder production device. The washing powder production device comprises a feed mechanism 1, a weighing mechanism 2, an agitation mechanism 3 and a discharging mechanism 4 which are connected in order, and a control system 5 is provided, wherein, the feed mechanism 1, the weighing mechanism 2, the agitation mechanism 3 and the discharging mechanism 4 are respectively connected with the control system 5 and are controlled by the control system 5 which comprises a weighing sensor 5.1, a programmable control PLC 5.2, an electrical magnetic valve 5.3, a contactor 5.4, a transducer 5.5, a man-machine interface 5.6 and a power supply 5.7. The washing powder production device improves the burdening precision to a great extent, obviously reduces the fault rate, lowers the maintenance cost and increases the washing powder production output and quality, and is suitable for the improvement of the existing washing powder production device.

Description

Washing powder automatic manufacturing device based on weightless scale control system
Technical field
The utility model relates to a kind of washing powder production equipment, relates in particular to a kind of washing powder automatic manufacturing device based on weightless scale control system; Specifically, the washing powder original washing powder after spray-dried and other solid-liquid body component according to the prescription dominant discharge, are delivered to mixing tank by weightless scale control system at last.
Background technology
Current, high tower dusts and joins the washing powder dominate still of the volume of production and marketing in the washing powder market at home and abroad after the coventional type of producing.Because the intrinsic defect of well-known weighing belt continuous proportioning system, as the factor that influences Measuring Precision is many and responsive, slight dust adhesion and belt deviation all can cause bigger accuracy error, failure rate is higher, difficult in maintenance etc., allow the user puzzle one's brains, consequently production is difficult to normal operation, and quality product can't guarantee.
Summary of the invention
The purpose of this utility model just is to overcome the above-mentioned shortcoming and defect that prior art exists, and a kind of washing powder automatic manufacturing device based on weightless scale control system is provided.
The purpose of this utility model is achieved in that
One, washing powder automatic manufacturing device
The modern computer workstation of this device employing is realized the full automatic control to production technique, prescription, quality product.The computer workstation main body is formed control center by technical grade computer, a cover programmable logic controller, many flow directors, flow pump, frequency transformers, is responsible for material level, pneumatic element, motor speed, mass flow, pressure, weight and the spacing execution switch and the material proportion etc. at scene are carried out closed-loop control.
Specifically, as Fig. 1,2, this device comprises the feed mechanism (1), weighing mechanism (2), stirring mechanism (3) and the shedding mechanism (4) that connect successively of prior art;
Be provided with Controlling System (5);
Feed mechanism (1), weighing mechanism (2), stirring mechanism (3) and shedding mechanism (4) are connected with Controlling System (5) respectively, all controlled system (5) control.
Described feed mechanism (1) as shown in Figure 3, its function is that material is entered in the weighing mechanism (1);
Described weighing mechanism (2) as shown in Figure 4, its function be the metering weight of material;
Described stirring mechanism (3) and shedding mechanism (4) as shown in Figure 5, its function of stirring mechanism (3) is to prevent that material from putting up a bridge, and guarantees the smooth and easy discharging of material; Its function of shedding mechanism (4) is that material is discharged from weighing mechanism (2);
Controlling System (5) comprises LOAD CELLS (5.1), programmable logic controller PLC (5.2), magnetic valve (5.3), contactor (5.4), frequency transformer (5.5), man-machine interface (5.6), power supply (5.7) as shown in Figure 6;
The input terminus of PLC (5.2) is connected with the output terminal of LOAD CELLS (5.1), obtains weight signal;
The output terminal of PLC (5.2) is connected with magnetic valve (5.3), contactor (5.4), frequency transformer (5.5) respectively, controls the charging valve (1.1) of feed mechanism (1), the agitator motor (3.1) of stirring mechanism (3), the discharging motor (4.1) of shedding mechanism (4) respectively;
PLC (5.2) is connected with man-machine interface (5.6);
Power supply (5.7) provides power supply for Controlling System (5).
This shows that the function of Controlling System (5) is the work of each mechanical part of control, guarantee the precision of metering, wherein:
1. LOAD CELLS (5.1): the weight of scale bucket is converted to electrical signal, and inputs to PLC (5.2).
2. programmable logic controller PLC (5.2): be the core of The whole control system (5), carry out computing, control other actuator unit, and compare, reach the purpose of producing qualified product with the parameter of setting according to the program of design.
3. magnetic valve (5.3): under the control of PLC (5.2), be switched on or switched off the source of the gas of the charging valve (1.1) of feed mechanism (1), charging valve (1.1) is opened or closed.
4. contactor (5.4): under the control of PLC (5.2), be switched on or switched off the power supply of the agitator motor (3.1) of stirring mechanism (3), agitator motor (3.1) is moved or stop.
5. frequency transformer (5.5): under the control of PLC (5.2), be switched on or switched off the power supply of the discharging motor (4.1) of shedding mechanism (4), discharging motor (4.1) is moved or stop, and regulate its travelling speed.
6. man-machine interface (5.6): show and the interface of operation for the operator provides, can show running status, service data and input parameter etc.
7. power supply (5.7): for The whole control system provides 380VAC, 220VAC, the power supply of 24VDC.
The principle of work of this device:
As Fig. 7, whole weighing working process is divided into two portions: fill process (T1-T2) and weighing process (T2-T3).
In the weighing process (T2-T3), feed mechanism (1) is not worked, weighing mechanism (2) is by the weight minimizing value in the unit time, calculate flow and relatively control discharge rate in set(ting)value, when weight in the scale during less than W2, feed mechanism (1) action, material is filled fast in the scale, when weight arrived W1, feed mechanism (1) stopped action, enters the weighing process.Process is gone round and begun again.
Technical indicator:
* throughput: 5~30t/h
* the flow range of weightless scale: 5kg~30t/h
* precision: 0.2%
The utlity model has following advantage and positively effect:
1, dynamic accuracy is only relevant with the static accuracy of scale, and proportioning accuracy is significantly improved.
3, owing to have continous batching, regulate automatically and show advantage such as instantaneous, integrated flow, improved the self-control of system.
4, the material minimum flow rate can be reduced to 5kg/h, is fit to enzyme-added needs in the present washing powder manufacturing.
5, failure rate obviously reduces, and reduces maintenance cost.
6, improved output and quality that washing powder is produced, be applicable to improvement existing washing powder production equipment.
Description of drawings
Fig. 1 is that this device is formed skeleton diagram;
Fig. 2 is this apparatus structure synoptic diagram;
Fig. 3 is the feed mechanism structural representation;
Fig. 4 is the weighing mechanism structural representation;
Fig. 5 is stirring mechanism and shedding mechanism structural representation;
Fig. 6 is the Controlling System skeleton diagram;
Fig. 7 is weightless scale working process explanatory view;
Fig. 8 is that programmable logic controller is formed skeleton diagram.
Wherein:
The 1-feed mechanism, 1.1-charging valve.
The 2-weighing mechanism.
The 3-stirring mechanism, the 3.1-agitator motor.
The 4-shedding mechanism, 4.1-discharging motor.
The 5-Controlling System,
5.1-LOAD CELLS;
5.2-programmable logic controller (PLC),
5.2.0-central processing unit (CPU),
5.2.1-the weight processing module,
5.2.2-the traffic sampling module,
5.2.3-PID adjustment module,
5.2.4-input/output module;
5.3-magnetic valve;
5.4-contactor;
5.5-frequency transformer;
5.6-man-machine interface;
5.7-power supply.
Embodiment
Describe in detail below in conjunction with drawings and Examples:
As Fig. 1, this device is the improvement to existing washing powder production equipment, promptly is provided with Controlling System (5) on the basis of the existing washing powder production equipment that is made of feed mechanism (1), weighing mechanism (2), stirring mechanism (3) and shedding mechanism (4);
As Fig. 6, the LOAD CELLS (5.1) of Controlling System (5) is arranged on the weighing mechanism (2); The magnetic valve (5.3) of Controlling System (5), contactor (5.4), frequency transformer (5.5) are controlled the charging valve (1.1) of feed mechanism (1), the agitator motor (3.1) of stirring mechanism (3), the discharging motor (4.1) of shedding mechanism (4) respectively, all realize by programmable logic controller PLC (5.2).
One, programmable logic controller PLC (5.2)
1, PLC (5.2) adopts siemens S-300 series product.
As Fig. 8, programmable logic controller PLC (5.2) comprises weight processing module (5.2.1), traffic sampling module (5.2.2), PID adjustment module (5.2.3) and the input/output module (5.2.4) that is connected with central processor CPU (5.2.0) respectively.
Described weight processing module (5.2.1) is the signal of LOAD CELLS (5.1) to be gathered and handled, the gravimetric value of Display Scale bucket;
Described traffic sampling module (5.2.2) is when the device discharging, with the weight sampling, and according to the formula calculated flow rate of setting;
Described PID adjustment module (5.2.3) is when the device discharging, and actual flow is compared with setting flow, and by the PID computing, control discharging motor (4.1) rotating speed reaches actual flow and sets the requirement that flow conforms to.
Described input/output module (5.2.4) is the module of the hardware magnetic valve (5.3) that connects the hardware LOAD CELLS (5.1) of input and output, contactor (5.4), frequency transformer (5.5).
2, the control flow of programmable logic controller PLC (5.2)
The control flow of programmable logic controller PLC (5.2) comprises the following steps:
1. by weight processing module (5.2.1) signal of LOAD CELLS (5.1) is converted into digital quantity
All external signals are imported into the storer of the inner CPU (5.2.0) of PLC (5.2) by the external circuit of PLC (5.2), wherein the signal of LOAD CELLS (5.1) is converted into digital quantity by weight processing module (5.2.1), demarcate by standard weights, again this quantity is converted into the standard weight value again.
2. gather the flow of weightless scale weightlessness by traffic sampling module (5.2.2)
In weightless scale working process, the gravimetric value that traffic sampling module (5.2.2) is gathered weightless scale will constantly descend, and this drop-out value divided by the time, can be calculated the flow of this weightlessness scale weightlessness: L=Δ W/T;
Flow usually with ton/hour or kg/minute represent that the weightless scale that is used for washing powder is formed the weightless scale feed proportioning system of a washing powder by 3 and above weightless scale usually.
3. the flow of the weightless scale weightlessness that will collect by CPU (5.2.0) with set flow and compare
Requirement according to washing powder prescription and production, the producer is by man-machine interface (5.6) CPU (5.2.0) that each weightless scale flow input PLC (5.2) is inner, when weightless scale was worked, the weightless scale flow that CPU (5.2.0) will collect compared with the setting flow.
4. by PID adjustment module (5.2.3) actual flow is conformed to the setting flow
Then reduce flow control output as if actual flow greater than set(ting)value, otherwise, then increase control output, actual flow is conformed to the setting flow.
CPU (5.2.0) is undertaken by PID (ratio, integration, differential) control strategy the control of flow, guarantees accurately stablizing of weightless scale flow control.
The PLC here (5.2) is each weightless scale co-ordination, realizes the requirement of washing powder prescription, continuously, strictly each component of washing powder is transported to mixing tank with formula rate, realizes the production of washing powder batching.
Weight of material in the feed bin of a certain weightless scale is prescribed a time limit less than the following of material, PLC (5.2) opens the feed gate of this scale, mend full with a bigger speed material of the feed bin of weightless scale, the feed bin weight of material that is weightless scale reaches in limited time, close feed gate, weightless scale works on.Weight and time relation are as shown in Figure 7.
5. so circulation makes weightless scale reach the purpose of non-stop run.
Engineering technical personnel write code according to above-mentioned control flow according to the particular hardware environment, are entered into then among the programmable logic controller PLC (5.2).

Claims (3)

1. the washing powder automatic manufacturing device based on weightless scale control system comprises the feed mechanism (1), weighing mechanism (2), stirring mechanism (3) and the shedding mechanism (4) that connect successively;
It is characterized in that being provided with Controlling System (5), feed mechanism (1), weighing mechanism (2), stirring mechanism (3) and shedding mechanism (4) are connected with Controlling System (5) respectively, all controlled system (5) control;
Controlling System (5) comprises LOAD CELLS (5.1), programmable logic controller PLC (5.2), magnetic valve (5.3), contactor (5.4), frequency transformer (5.5), man-machine interface (5.6), power supply (5.7);
The input terminus of PLC (5.2) is connected with the output terminal of LOAD CELLS (5.1), obtains weight signal;
The output terminal of PLC (5.2) is connected with magnetic valve (5.3), contactor (5.4), frequency transformer (5.5) respectively, controls the charging valve (1.1) of feed mechanism (1), the agitator motor (3.1) of stirring mechanism (3), the discharging motor (4.1) of shedding mechanism (4) respectively;
PLC (5.2) is connected with man-machine interface (5.6);
Power supply (5.7) provides power supply for Controlling System (5).
2. by the described a kind of washing powder automatic manufacturing device of claim 1, it is characterized in that based on weightless scale control system:
Programmable logic controller PLC (5.2) comprises weight processing module (5.2.1), traffic sampling module (5.2.2), PID adjustment module (5.2.3) and the input/output module (5.2.4) that is connected with central processor CPU (5.2.0) respectively.
3. by the described a kind of washing powder automatic manufacturing device of claim 1, it is characterized in that based on weightless scale control system:
PLC (5.2) adopts siemens S-300 series product.
CNU2007200854799U 2007-06-28 2007-06-28 Apparatus for automatic production of washing powder based on weightlessness balance control system Expired - Fee Related CN201109779Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200854799U CN201109779Y (en) 2007-06-28 2007-06-28 Apparatus for automatic production of washing powder based on weightlessness balance control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200854799U CN201109779Y (en) 2007-06-28 2007-06-28 Apparatus for automatic production of washing powder based on weightlessness balance control system

Publications (1)

Publication Number Publication Date
CN201109779Y true CN201109779Y (en) 2008-09-03

Family

ID=39894307

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200854799U Expired - Fee Related CN201109779Y (en) 2007-06-28 2007-06-28 Apparatus for automatic production of washing powder based on weightlessness balance control system

Country Status (1)

Country Link
CN (1) CN201109779Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873745A (en) * 2012-10-10 2013-01-16 北新集团建材股份有限公司 High-speed producing and controlling method for plaster plates
CN107185451A (en) * 2017-06-29 2017-09-22 杨振卿 Automatic batching equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873745A (en) * 2012-10-10 2013-01-16 北新集团建材股份有限公司 High-speed producing and controlling method for plaster plates
CN102873745B (en) * 2012-10-10 2014-08-13 北新集团建材股份有限公司 High-speed producing and controlling method for plaster plates
CN107185451A (en) * 2017-06-29 2017-09-22 杨振卿 Automatic batching equipment

Similar Documents

Publication Publication Date Title
CN103302747A (en) Concrete mixing station control system
CN201959766U (en) Automatic batching system
CN204894229U (en) Automatic ingredient production line's of zirconia sealant control system
CN101100631A (en) Washing powder automatic producing device based on weightless scale control system
CN201109779Y (en) Apparatus for automatic production of washing powder based on weightlessness balance control system
CN202092755U (en) Automatic intelligent weighing control system for AOD (argon oxygen decarburization) furnace
CN104923377A (en) Intelligent control and monitoring system of nanometer grinding equipment
CN108927898A (en) A kind of dry powder mortar production line control system
CN201085031Y (en) Automatic Iodine addition device after common salt bed
CN202951420U (en) Premixed material automatic batching device
CN102967150B (en) Energy-saving and environment-friendly feeding control system for vertical laterite-nickel ore smelting furnace controlled by PLC
CN201315027Y (en) High precision batching line control system
CN207268843U (en) A kind of band measures continuous loading and unloading system
CN203427160U (en) Automatic dosing system for raw materials of electrically-fused bricks
CN203578672U (en) Liquid material control device for sand mixer in furan resin molding process
CN110793328B (en) Sintering distributor blanking direction calculation system and control method
CN205274770U (en) Weighing feeder
CN104441250A (en) Intelligent monitoring system of foamed cement component production line
CN111877090A (en) Powder feeding system of continuous asphalt mixture stirring equipment and control method
CN209752721U (en) Control device of vertical intensive mixer for pellet production
CN103318631A (en) Speed control device of disk feeder
CN204719553U (en) Coal water mixture follows the tracks of batching control system
CN203392005U (en) Novel formula material automatic weighing system
CN109634104A (en) The intelligent optimal control device and its control method of cement raw mix proportioning process
CN205556439U (en) Control system simply prepares burden

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080903