CN101661287B - Adhesive centralized control system - Google Patents

Abstract

The invention discloses an adhesive centralized control system comprising a programmable logic controller (PLC). A level switch is fixed on an adhesive filling container which is communicated with a material transport pump by a pipeline. Two material transport pipes are led out from the pipeline to be communicated with a temporary storage tank A and a temporary storage tank B respectively. Discharge pipes are led out from the material transport pipes to be communicated with a booster pump. Discharge valves of the tanks A and B are installed on the discharge pipes. Sensors are installed at the top ends of the temporary storage tanks A and B and are communicated with input points on the PLC. Exhaust holes at one side of the temporary storage tank A and one side of the temporary storage tank B are communicated with compressed air pipes by exhaust pipes. The other circuit is communicated with the exhaust pipes. The other end of the booster pump is communicated with a high-pressure temporary storage tank by a booster pipe. A pressure sensor is installed at the inlet of the high-pressure temporary storage tank and is communicated with a main transport pipeline by a pipe. The main transport pipeline is connected with an additive outlet by an additive outlet pipe. Another pressure sensor is installed on a pipe at the outlet of a pressure buffer tank.

Description

The bonding agent centralized control system

Technical field:

The present invention discloses a kind of bonding agent centralized control system, is specially adapted to the automation control system of tobacco production industry adhesive application.

Background technology:

In each production and processing link of tobacco production industry, all need a large amount of different types of bonding agents to carry out bonding at present.Because equipment manufacturers are for the facility of separate unit supply equipment, the production equipment of current tobacco business all is that separate unit is integrated using bonding agent to use the unit, the control system that lacks bonding agent causes that to need the special messenger when producing be that the bonding agent of every equipment uses point to add and clears up.Increase working strength of workers, and bonding agent can not add quantitatively, remaining bonding agent may cause waste, the consumption of bonding agent to be not easy to statistics owing to rotten, increases production cost.

Summary of the invention:

Task of the present invention is to propose a kind of separate unit service that do not need manually to go, reduce a kind of bonding agent centralized control system of labour intensity, task of the present invention is finished like this, it comprises the PLC controller, it is characterized in that: stuff level switch is fixed on the bonding agent filling container, material-handling pump is connected by pipeline and bonding charging point, draw on its pipeline two Material pipelines respectively with A, B connects for temporary jar, drawing a drainage conduit on the Material pipeline again respectively is communicated with the increase pump, on its drainage conduit A is housed, B jar blow-off valve, the input point that be equipped with on sensor and the PLC on the top that AB is temporary jar is connected, temporary jar of side of AB has and is connected with evacuated tube and compressed air hose connection on the evacuation port, another Lu Yuyu evacuated tube is connected, the other end of supercharge pump is connected for temporary jar by ascending pipe and high pressure, pressure transducer is contained in the porch of temporary jar of high pressure and connects by pipe and main delivery pipe, be connected to the bonding agent outlet on the main delivery pipe and link to each other, on the pipe in pressure buffer tank exit pressure transducer is housed with the bonding agent outlet.On the Material pipeline of the temporary jar inflow point of A, B A, B jar inlet valve are housed respectively, on the evacuated tube that A, B are temporary jar A, B jar exhaust-valve and pressure charging valve are housed respectively, high-pressure buffer valve and bonding agent supply valve are housed on the bonding agent outlet.The present invention has following effect: the pre-service of described bonding agent and storage are by adopting the PLC controller, relevant temperature, pressure, flow sensor are as the observing and controlling condition, drive the bonding agent pump by the binder materials suction pre-processing device of system's suction inlet with correspondence, pretreatment system carries out pre-service by the tupe that presets to bonding agent, and it is stand-by that the bonding agent after pre-service is finished sucks memory device.And by the PROFIBUS-DP fieldbus with use point to carry out communication, statistics is used the work state information of point.Described bonding agent uses the monitoring of point and the supply of bonding agent to adopt PLC controller, relevant gauge tap, pressure monitor sensor to use the state of point.And be connected with pretreatment system by the PROFIBUS-DP fieldbus.After the bonding agent that receives pretreatment system is ready to signal, according to the supply of the state opening and closing of using point to the bonding agent that uses point.

Description of drawings:

Fig. 1 is a structural representation of the present invention

Fig. 2 is the structural representation that bonding agent uses point;

Drawing explanation: 1, evacuated tube, 2, compressed air hose, 3, A jar exhaust-valve, 4, A jar pressure charging valve, 5, B jar exhaust-valve, 6, B jar pressure charging valve, 7, sensor, 8, sensor, 9, A jar inlet valve, 10, A jar blow-off valve, 11, B jar inlet valve, 12, B jar blow-off valve, 13, material-handling pump, 14, bonding agent filling container, 15, stuff level switch, 16, supercharge pump, 17, the supercharging inlet valve, 18, temporary jar of A, 19, temporary jar of B, 20, temporary jar of high pressure, 21, main delivery pipe, 22, pressure transducer, 23, the pressure buffer tank, 24, the high-pressure buffer valve, 25, pressure transducer, 26, the bonding agent supply valve, 27, the bonding agent outlet.

Embodiment:

Describe embodiment in detail in conjunction with above accompanying drawing: stuff level switch 15 is fixed on the bonding agent filling container 14, be connected with pipeline on the bonding agent filling container, be connected with a material-handling pump 13 on it, send conveyance conduit to draw two feed pipes from thing and be connected with A respectively, temporary jar 18 of B, 19 at A, on the materail tube of the inflow point that B is temporary jar A is housed respectively, B jar inlet valve 9,11, draw a drainage conduit and supercharge pump 16 connections on the Material pipeline again respectively, on its drainage conduit A is housed, B jar blow-off valve 10,12, A, A is equipped with on the top that B is temporary jar, B sensor 7,8 go up input point with PLC connects, A, the side that B is temporary jar has an evacuation port, connect by evacuated tube and compressed air hose 2, another road and evacuated tube 1 are connected, A, be respectively equipped with A on the evacuated tube that B is temporary jar, B jar exhaust-valve 3,5 and pressure charging valve 4,6, the other end is connected for temporary jar 20 by ascending pipe and high pressure on the supercharge pump, and pressure transducer 22 is contained in the porch of temporary jar of high pressure and connects by pipe and main delivery pipe 21.Main sending being connected to the bonding agent outlet and connecting with bonding agent outlet 27 on the pipeline 21, the pipe on pressure surge tank 23 (see figure 2)s export is contained in the centre of high-pressure buffer valve 24 and bonding agent supply valve 26, at the end of pipe pressure transducer 25 is housed.When system moves, by manually adding bonding agent to bonding agent filling point 14, system PLC judges through the stuff level switch 15 of bonding agent filling point: A keeps in jar 18 charging flow processs, closes blow-off valve 10, close inlet valve 11, open inlet valve 9, close pressure charging valve 4, open exhaust-valve 3 and start material-handling pump 13, bonding agent is sucked a temporary jar A18, when sensor 7 detects material level and reaches, close inlet valve 9, close material-handling pump 13, close exhaust-valve 3, the temporary jar charging of A finishes, and enters preprocessing process.The working method that B is temporary jar 19 is identical with the temporary jar of A to be to carry out carrying out alternation with the temporary jar of A in order to raise the efficiency.Keep in jar 18 workflows through flow process, the A that carries out the board high-pressure delivery after the pre-service: open blow-off valve 10 and open pressure charging valve 4, start supercharge pump 16, open supercharging inlet valve 17, be transported to high pressure temporary jar 20, when pressure transducer 22 detects pressure and reaches predetermined value, close inlet valve 17, close supercharge pump 16, be transported to each bonding agent by main delivery pipe 21 and use point.The process of the high pressure storage above when pressure transducer 22 detects the pressure reduction, repeating.Bonding agent uses the workflow (accompanying drawing 2) of point: carry 21 by main, arrive the bonding agent that uses point and use the subordinate machine system of point by using the some opening and closing, open the time stage system when extension set and open high-pressure buffer valve 24, bonding agent enters pressure surge tank 23, behind the preset value that reaches pressure transducer 25, close the high-pressure buffer valve, simultaneously according to the control opening and closing bonding agent supply valve 26 that uses point sensor.

Claims (1)

1. bonding agent centralized control system, it comprises the PLC controller, it is characterized in that: stuff level switch is fixed on the bonding agent filling container, material-handling pump is connected by pipeline and bonding agent filling container, drawing two Material pipelines on the pipeline connects for temporary jar with temporary jar of A and B respectively, temporary jar inlet valve of A and the temporary jar inlet valve of B are housed respectively on the Material pipeline of the inflow point that temporary jar of A and B are temporary jar, the Material pipeline that wherein is connected to temporary jar of A is drawn a drainage conduit that the temporary jar blow-off valve of A is housed again and is communicated with an end of supercharge pump, the Material pipeline that is connected to temporary jar of B is drawn a drainage conduit that the temporary jar blow-off valve of B is housed again and also is communicated with an end of supercharge pump, the top that temporary jar of A and B are temporary jar is equipped with A sensor and B sensor respectively, input point on this A sensor and B sensor and the PLC is connected, the side that side that A is temporary jar and B are temporary jar has an evacuation port respectively, wherein, A keeps in the evacuation port of jar by being provided with a road and the compressed air hose connection that A keeps in the evacuated tube of jar pressure charging valve, and A keeps in the evacuation port of jar by being provided with another road and the connection of another evacuated tube that A keeps in the evacuated tube of jar exhaust-valve; B keeps in the evacuation port of jar by being provided with a road and the compressed air hose connection that B keeps in the evacuated tube of jar pressure charging valve, and B keeps in the evacuation port of jar by being provided with another road and the connection of another evacuated tube that B keeps in the evacuated tube of jar exhaust-valve; The other end of supercharge pump is connected for temporary jar by ascending pipe and high pressure, one pressure transducer is contained in the porch of temporary jar of high pressure and connects by pipe and main delivery pipe, be connected to the bonding agent outlet on the main delivery pipe, this bonding agent outlet and bonding agent outlet are connected, high-pressure buffer valve and bonding agent supply valve are housed on the bonding agent outlet, pipe in the outlet of pressure buffer tank is contained in the centre of high-pressure buffer valve and bonding agent supply valve, and the end of the pipe in this pressure buffer tank outlet is equipped with another pressure transducer.

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