The temperature control system of clad panel gluing machine live-roller
The present invention relates to a kind of temperature control technology, specially refer to a kind of temperature control system that is applied to produce in the electron trade gluing machine live-roller of metal clad board.
The thermoset resin metal clad board is widely used in relevant electrical/electronic instrument or plant equipment.Produce this metal clad board, at first reinforcing material (as the flaky material of paper or fabric) to be soaked with liquid resin (thermoset resin such as epoxy resin etc., add that solvent or hardening agent make), heat drying flooded the reinforcing material of resin then, obtain " preimpregnation embryo sheet ", again that they are superimposed, heating and pressurizing combines it, makes the thermoset resin metal clad board; The reinforcing material impregnating resin, and be able to the dry process that forms " preimpregnation embryo sheet ", on gluing machine, finish, because the gluing of " preimpregnation embryo sheet " is comparatively strict to temperature requirement, so in gluing machine, generally all be provided with the gluing temperature of the temperature of live-roller in the temperature control system control gluing machine with the assurance metal clad board; Original temperature control system feeds the recirculated water of live-roller 1 and the purpose that the extraneous cold water ratio that feeds reaches control live-roller temperature by three-way valve 2 and temperature controller 3 controls as shown in Figure 1.This control system relies on live-roller to absorb the balance that heat is realized temperature, so can only be with speed (15 ℃~35 ℃) work in less temperature control scope slowly.Development along with electronic product, the performance requirement of copper-clad plate is more and more higher,. " the preimpregnation embryo sheet " of special kinds appearred, " the preimpregnation embryo sheet " of these special kinds has specific (special) requirements to temperature, original temperature control system can not satisfy its requirement, easily produce waste product, this just needs the temperature control system of gluing machine to work fast and accurately in the temperature control scope of broad.
The objective of the invention is to overcome the shortcoming of prior art, the temperature control system of the clad panel gluing machine live-roller that a kind of reaction velocity is very fast, the temperature control scope is wide, temperature-controlled precision is higher is provided.
Purpose of the present invention realizes by following technical scheme: the temperature control system of this clad panel gluing machine live-roller comprises operation valve, temperature controller, ebullator, thermal resistance, retaining valve, manually-operated gate, also include heat interchanger, described heat interchanger comprises heating heat exchanger and cooling heat exchanger, and heating heat exchanger and cooling heat exchanger are connected to the two ends of the live-roller of required temperature adjustment.
Described operation valve is threeway proportional control valve or two logical operation valves.
When described operation valve is the threeway proportional control valve, heating heat exchanger and cooling heat exchanger are parallel-connected to the two ends of the live-roller of required temperature adjustment, fluid passage one end that is heated of heating heat exchanger is connected with live-roller one end by the threeway proportional control valve with fluid passage one end that is cooled of cooling heat exchanger, temperature controller is connected with threeway proportional control valve in the fluid passage so that the cold and hot fluid flow in the passage is controlled, thus the temperature of control live-roller.
When described operation valve is two logical operation valves, heating heat exchanger and cooling heat exchanger are connected in series to the two ends of the live-roller of required temperature adjustment, fluid passage one end that is cooled of cooling heat exchanger is connected with fluid passage one end that is heated of heating heat exchanger, the fluid passage other end that is heated of heating heat exchanger is connected with live-roller one end, two logical operation valves in temperature controller and the fluid passage are connected so that the cold and hot fluid flow in the passage is controlled, thus the temperature of control live-roller.
Described heating heat exchanger and cooling heat exchanger are plate type heat exchanger, also can be the heat interchanger of other form.
Described live-roller comprises top roller and regulating roller and chill roll.
In the fluid passage of this temperature control system, also filtrator can be installed.
This temperature control system has adopted heating heat exchanger to cooperate jointly with cooling heat exchanger to carry out temperature control, and rely on live-roller to absorb heat to realize that the temperature-controlling system of temperature balance has following advantage with respect to the former cold water that only feeds: the speed of (1) temperature control reaction is fast.Because the handled heat of heat interchanger is bigger, and the heat transfer rate is very fast, so the temperature control speed of this temperature-controlling system is very fast, through measuring,, in 5 minutes, all can stablize and reach in any temperature of range of control, even more frequently change design temperature, its temperature transition is also very fast, easy; (2) temperature control is accurate.The heat interchanger that this temperature-controlling system adopted can be controlled heat by the flow of fluid, and the flow of fluid can accurately be regulated, so this temperature-controlling system can be controlled the height of temperature with being proficient in, through measuring, native system can stably be controlled the temperature (T is a design temperature) in ℃ scope of T ± 1 of warm-up mill, thereby can satisfy the requirement of higher temperature-controlled precision, can guarantee the crudy that product is higher; (3) the temperature control scope is wide.Because the handled heat of heat interchanger is bigger, so this temperature-controlling system can be handled the heat exchange of the big temperature difference, so the range of work of this temperature-controlling system is wider, generally between 18 ℃~80 ℃, this scope can satisfy the production requirement of the metal clad board product and the special kinds metal clad board product of existing different size, thereby applicable scope is wider.
Fig. 1 is the structural representation of the temperature control system of existing clad panel gluing machine live-roller.
Fig. 2 is the structural representation of the temperature control system of clad panel gluing machine live-roller of the present invention.
Fig. 3 is the synoptic diagram of another structure of temperature control system of clad panel gluing machine live-roller of the present invention.
The present invention is described in further detail below in conjunction with the embodiment accompanying drawing.
Embodiment 1
Fig. 2 shows the concrete structure and the principle of work thereof of the temperature control system of clad panel gluing machine live-roller of the present invention.As seen from Figure 2, this temperature control system includes threeway proportional control valve 2, temperature controller 3, filtrator 4, thermal resistance 5, retaining valve 6, manually-operated gate 7, motor and water pump group 10, also include plate type heat exchanger, described plate type heat exchanger comprises heating plate type heat exchanger 8 and cooling plate type heat exchanger 9, heating plate type heat exchanger 8 and cooling plate type heat exchanger 9 are connected to the two ends of the live-roller 1 of required temperature adjustment, its concrete connected mode is parallel-connected to the two ends of the live-roller 1 of required temperature adjustment for heating plate type heat exchanger 8 and cooling plate type heat exchanger 9, fluid passage one end that is heated of heating plate type heat exchanger 8 is connected with live-roller 1 one ends by threeway proportional control valve 2 with fluid passage one end that is cooled of cooling plate type heat exchanger 9, temperature controller 3 one ends are connected with thermal resistance 5 in being installed in the fluid passage, and the other end is connected with the controller of threeway proportioning valve 2; Motor and water pump group 10 is installed in the fluid passage between threeway proportioning valve 2 and the live-roller 1 and flows with the fluid that drives wherein; Retaining valve 6 is installed in the output terminal of input end that is heated the fluid passage that heats plate type heat exchanger 8 and the fluid passage that is cooled that reaches cooling plate type heat exchanger 9 respectively to guarantee the correct flow direction of fluid in runner; The input end that filtrator 4 is installed in threeway proportional control valve 2 filters with the liquid to input threeway proportional control valve 2; Manually-operated gate 7 is installed in the input and the output terminal of each passage and controls in right amount with convection cell, and above-mentioned live-roller 1 comprises top roller and regulating roller and chill roll.
The action principle of this temperature control system is: the fluid that flows out from live-roller 1 one ends separates two-way, the retaining valve 6 of leading up to flows into the input end that is heated the fluid passage of heating plate type heat exchanger 8, another road flows into the input end of the fluid passage that is cooled of cooling plate type heat exchanger 9, two-way fluid two heat interchanger of flowing through are heated respectively and cool off the back outflow heat exchanger and flow into from two input ports of threeway proportional control valve 2 respectively and mix after the delivery outlet of threeway proportional control valve 2 flows out, and flow into live-roller 1 and live-roller 1 heat exchange again with to live-roller 1 temperature control under the driving of motor and water pump group 10; Temperature controller 3 receives to be installed in and sends 2 actions of control signal control threeway proportional control valve behind the temperature signal that the thermal resistance 5 the fluid passage in sends here and control the fluid temperature (F.T.) of inflow live-roller 1 with the stimulate the menstrual flow flow proportional of the cold fluid of threeway proportional control valve 2 and hot fluid of adjusting.Thereby suitably regulate the temperature that manually-operated gate 7 that two heat interchanger add the input of zone of heat liberation and cooling liquid passage and delivery outlet can better be controlled the more accurate control live-roller 1 of the flow that adds hot fluid and cooling fluid.
The specification of each ingredient of this temperature control system is as follows: heating plate type heat exchanger 8 and cooling plate type heat exchanger 9 can adopt the plate type heat exchanger of BRS005-2 type; Threeway proportional control valve 2 can adopt TYP1245 PN16 DN40 type threeway membrane type pneumatic valve; Motor and water pump group 10 can be selected the motor and water pump of NI 25-200/10/ Φ 173 types for use; Temperature controller 3 can be selected the temperature controller of FCD-13A-A/M type for use; Retaining valve 6, manually-operated gate 7 and filtrator 4 can be selected standard component for use.Each ingredient can constitute this temperature control system by above-mentioned annexation connection and realize purpose of the present invention.
Embodiment 2
Accompanying drawing 3 shows the concrete structure and the principle of work thereof of another form of the temperature control system of clad panel gluing machine live-roller of the present invention.By accompanying drawing 3 as seen, this temperature control system includes two logical operation valves 11, temperature controller 3, motor and water pump group 10, filtrator 4, thermal resistance 5, retaining valve 6, manually-operated gate 7, also include plate type heat exchanger, described plate type heat exchanger comprises heating plate type heat exchanger 8 and cooling plate type heat exchanger 9, heating plate type heat exchanger 8 and cooling plate type heat exchanger 9 are connected to the two ends of the live-roller 1 of required temperature adjustment, its concrete connected mode is connected in series to the two ends of the live-roller 1 of required temperature adjustment for heating plate type heat exchanger 8 and cooling plate type heat exchanger 9, fluid passage one end that is cooled of cooling plate type heat exchanger 9 is connected with fluid passage one end that is heated of heating plate type heat exchanger 8, the fluid passage other end that is heated of heating plate type heat exchanger 8 is connected with live-roller 1 one ends by motor and water pump group 10, and motor and water pump group 10 can drive the fluid of flowing through wherein and flow; Cooling channels endpiece at cooling plate type heat exchanger 9 is equipped with two logical operation valves 11 with the zone of heat liberation endpiece that adds that reaches heating plate type heat exchanger 8, the controllers of two two logical operation valves 11 all are connected with temperature controller 3, temperature controller 3 one ends also be installed in the fluid passage in thermal resistance 5 be connected; Retaining valve 6 is installed in the output terminal that is heated the fluid passage of heating plate type heat exchanger 8 to guarantee the correct flow direction of fluid in runner; Filtrator 4 is installed between retaining valve 6 and the motor and water pump group 10 so that the fluid of flowing through is wherein filtered; Manually-operated gate 7 is installed in the input and the output terminal of each passage and controls in right amount with convection cell, and above-mentioned live-roller 1 comprises top roller and regulating roller and chill roll.
The action principle of this temperature control system is: cool off the input end of the fluid passage that is cooled of plate type heat exchanger 9 from the fluid inflow that live-roller 1 one ends flow out, flow through and flow into the fluid passage that is heated of heating plate type heat exchanger 8 behind the cooling plate type heat exchanger 9 again, in these two heat interchanger, can be cooled and heat, flow out after retaining valve 6, filtrator 4 enter motor and water pump group 10 and flow into live-roller 1 and live-roller 1 heat exchange again with to live-roller 1 temperature control under the driving of motor and water pump group 10; Temperature controller 3 receives to be installed in and sends two two logical operation valves 11 actions of control signal control behind the temperature signal that the thermal resistance 5 the fluid passage in sends here and control the fluid temperature (F.T.) of inflow live-roller 1 with the flow through flow of the heating of two logical operation valves 11 and cooling fluid of adjusting.Thereby suitably regulate the temperature that manually-operated gate 7 that two heat interchanger add the input of zone of heat liberation and cooling liquid passage and delivery outlet can better be controlled the more accurate control live-roller 1 of the flow that adds hot fluid and cooling fluid.
The specification of each ingredient of this temperature control system is as follows: heating plate type heat exchanger 8 and cooling plate type heat exchanger 9 can adopt the plate type heat exchanger of BRS005-2 type; Two logical operation valves 11 can adopt TYPFig12.440 PN16 DN40 type two logical membrane type pneumatic valves; Motor and water pump group 10 can be selected the motor and water pump of NI 25-200/10/ Φ 173 types for use; Temperature controller 3 can be selected the temperature controller of FCD-13A-A/M type for use; Retaining valve 6, manually-operated gate 7 and filtrator 4 can be selected standard component for use.Each ingredient can constitute this temperature control system by above-mentioned annexation connection and realize purpose of the present invention.