CN2148656Y - Multipurpose machine for drying, color mixing and mixing plastic - Google Patents

Abstract

The utility model relates to a be used for plastics drying, colour mixture, mixed multipurpose machine, it includes frame, holds storage bucket, power unit, stirring sword and electrical control equipment, and characterized by electrical control equipment includes temperature control appearance or humidity control appearance and time control appearance. When the plastic is dried, the plastic body has certain drying temperature or humidity, the temperature or humidity is set on a temperature controller or a humidity controller, and when the plastic body reaches the temperature or humidity, a signal is sent to control the motor and give an alarm. The machine has the advantages of good drying effect, uniform mixing and color mixing, capability of cleaning plastics, power saving and high efficiency.

Description

Multi-purpose apparatus for plastic drying, colour mixing and mixing

The utility model relates to a kind of dry machine, and particularly a kind of plastic dryer device relates to plastics colour mixture, mixed machine simultaneously again.

At present, plastic dryer only adopts the time controller, and the user is provided with time parameter by machine works a period of time with working experience, again the aridity of plastic body is carried out experience and judges that whether again decision drying or discharging.This machine automaticity is not high, and efficient is low, and scientific basis is few, can not satisfy and adapt to the modern technologies development need.

The purpose of this utility model provides a kind of automaticity height, the plastic dryer that efficient is high.

Another purpose provides a kind of energy colour mixture, the multipurpose machine that mixes and clean old plastics.

The purpose of this machine is achieved in that because plastic body itself all has a fixing baking temperature (or humidity), can utilize power motor to drive main shaft and the rotation of stirring blade leaf, make the plastic pellet rotation in the material-filling drum, plastics are done the circumference frictional heating in material-filling drum, rotation heating and self extrusion heating, these heats are enough to make the water evaporates in the plastic pellet and reach dry, temperature controller or humidity controller are by the temperature (or humidity) of the plastic pellet of temperature-sensitive (or humidity) probe direct detection rotation heating, compare with the baking temperature or the humidity (operator sets in advance) of plastic pellet itself, comparative result feeds back to be controlled machine works and sends warning.

In colour mixture, mixed and when cleaning, by change-over switch temperature (or humidity) controller is not worked, time controller work, when reaching setting-up time, machine alarm, time-delay turns to delay time and finishes, and its control principle is identical with heading.

The entire work process signal of telecommunication transmission of this machine is such: when this machine is connected with the mains, and IC ₁Must be electric, 3 pin are high potential, relay J ₂So adhesive is IC ₂2 pin are electronegative potential, and 3 pin are high potential, J ₁Adhesive is when this machine is used for time control or temperature control (or humidity control), with duplex change-over switch K _1-1Be M ° of shelves (or K _1-2Be C ° of shelves) closure.When pressing start button QA, make time controller (temperature controller or humidity controller) start working and show, when reaching digital switch and set the time (or temperature or humidity), time controller or temperature controller (or humidity controller) are delivered to IC to time or temperature (or humidity) to signal ₁14 pin make it transfer high level to from low level, IC ₁3 pin output low levels, J ₂So dead electricity is IC ₂Play time-delay control, simultaneously IC ₃The grounding leg conducting sounds the alarm, when reaching delay time, and J ₁Dead electricity is cut off the master control power supply, simultaneously J ₁Normally-closed contact makes IC ₁15 pin are in high level, IC ₁Reset IC ₁3 pin are high potential, J ₂Adhesive, J ₁And then adhesive, alarm stops, and whole end-of-job is waited for working cycles next time.

Now accompanying drawing is carried out the drawing explanation.

Fig. 1 is that complete machine figure and A-A analyse figure.

Fig. 2 is a complete machine control circuit schematic diagram.

Fig. 3 is the circuit block diagram of temperature controller.

Fig. 4 is that number is put time controller circuit theory diagrams.Fig. 5 control circuit figure.

Below in conjunction with accompanying drawing specific embodiment is described, motor can be connected into Y-△ method according to the power needs, also can select other connections for use, below Y-△ method is elaborated.

Three phase lines of three phase mains are by air switch HK and insurance RD ₁Link to each other, motor M T is by contactor C ₁The three pairs of main contacts and the thermal element contact of electrothermal relay JR link to each other with power line.Utilize contactor C ₁, C ₂, C ₃And time relay sj ₁Make motor Y connect starting, SJ ₁Time-delay rear motor △ connects operation, specifically is such realization: three thermal element inputs of electrothermal relay JR contact links to each other with three-phase power line respectively, and its output connects tentaculum C ₁Three input main contacts, one of a pair of normally opened contact of JR and a power supply connection mutually, another and relay J ₁A normally opened contact communicate contactor C ₁Main contacts output link to each other C with three inputs of motor ₂The input of three main contacts join C with three inputs of motor M T respectively ₂Three outputs respectively with three of motor outputs and C ₃Three inputs link to each other.C ₃The output of three main contacts link together C ₁Normally closed auxiliary contact one end be connected in relay J ₁The output of normally opened contact and close between the switch TA, the other end passes through time relay sj ₁Coil link to each other with ground wire.Firing switch QA one end connects closes switch TA, and the other end is by contactor C ₁The coil earth connection, C ₁A pair of often to open auxiliary contact in parallel with firing switch QA, time relay sj ₁An instantaneous disconnection normally closed interlock SJ _1-1With contactor C ₃Normally-closed contact and C ₃Coil be concatenated into a branch road, time relay sj ₁Instantaneous closed normally open contact SJ _1-2With contactor C ₂Normally-closed contact and C ₂Coil conspire to create a branch road, contactor C ₁Coil and this two branch roads be connected in parallel.

Time controller and temperature controller (or humidity controller) all can adopt finished product.As adopt JS14S digital display time relay, TESD-2001 electronic type temperature controller.

Time controller or temperature controller just can be after setting-up time or temperature arrival, from its output terminals A or B output signal, from A next signal warp and K after adding AC power and dc source _1-1The K switch of interlock ' _1-1(from B next signal warp and K _1-2The K switch of interlock _1-2') link to each other with 14 pin of MC14017 chip.3 pin of MC14017 chip link to each other with the base stage of triode 1, and 3 pin level are just being controlled the conduction status of triode 1, thereby have realized J ₂Control.8,13 pin ground connection, 15 pin pass through J ₁A normally closed interlock be connected with the 6V power supply, 16 pin connect the 6V power supply, all the other pin are unsettled, the grounded emitter of triode 1, colelctor electrode connects 6V power line, relay J by diode anode ₂A coil control end connect the 6V power line, another end connects the colelctor electrode of triode 1.The NE555 chip operation is in the time-delay state, and 2 pin are as input, and NE555 is according to relay J ₂Normally opened contact decide delay time, 1 pin ground connection of NE555 chip, 2 pin are connected on resistance R ₃With relay J ₂A normally opened contact between, 3 pin connect the base stage of triode 2,4,8 pin connect the 6V power supply, 5 pin are unsettled.6 pin are by adjustable resistance R ₁, resistance R ₂Connect the plus earth of power supply, 7 pin, resistance R by electric capacity 3 ₃Be connected between 2 pin and 6V power supply of NE555 chip relay J ₂Two control ends (coil-end) connect the colelctor electrode of 6V power line and triode 2, the grounded emitter of triode 2 respectively.NE555 is in this time-delay control shutdown effect, and alert program is finished by chip CB556 and auxiliary circuit thereof.1 pin of CB556 chip passes through resistance R ₄Connect the 6V power line, 2 pin pass through resistance R ₅Connect 1 pin, 3 pin are unsettled, and 4 pin connect power line, and 5 pin pass through resistance R ₆Link to each other with 11 pin, the anode of 6 pin and 2 pin and electric capacity 4 joins, link to each other with 7 pin by electric capacity 4,8 pin communicate with 7 pin by electric capacity 5, and 9 pin connect the anode of electric capacity 6, connect loudspeaker by electric capacity 6, loudspeaker one the end of a thread connects the negative pole of electric capacity 6, and another the end of a thread connects 7 pin, and 10 pin connect the 6V power line, 12 pin link to each other with 8 pin, pass through resistance R again ₈Link to each other with 13 pin, 13 pin pass through resistance R ₇Link to each other with the 6V power supply, 14 pin connect the 6V power line.

The 6V dc source can be realized like this: the 220V AC power converts low pressure to through transformer, becomes direct current by bridge rectifier, generates after passing through the voltage-stabilizing system that electric capacity (1,2) and chip 7806 form again.

In order to increase the friction pressure of plastic pellet, striker plate is set in material-filling drum, the plastics that rise are played a grade pressure effect, making the plastics that are stirred rising drop to lower floor faster rubs again, consider in the plastics and might be participated in the irony material, some blocks of magnet have been installed in material-filling drum, since exhaustion irony material, played catharsis.

According to the method described above and principle, available humidity controller simply replaces temperature controller, also can utilize change-over switch to make humidity, temperature, time controller coexistence and does not change primary circuit.

The structure that this machine has adopted temperature control (or humidity control) and time control multiple control modes and deposited, make the drying of plastics have higher accuracy, mixed more even with colour mixture, because time-delay discharging control circuit has been arranged, make this machine avoid bringing onto load starting phenomenon.

Claims (5)

1, the utility model relates to a kind of plastics drying, the multipurpose machine of mixed, colour mixture, and it comprises frame, material-filling drum, actuating unit, stirring blade and electrical control gear, it is characterized in that has temperature controller or humidity controller in the electrical control gear.

2, multipurpose machine according to claim 1 is characterized in that the overrun control that has a time-delay to shut down in the electrical control gear.

3, the multipurpose machine of year stating according to claim 1 is characterized in that in the electrical control gear that temperature controller or humidity controller and time controller are by change-over switch conversion work mode.

4, multipurpose machine according to claim 1 is characterized in that the interior delay circuit of electrical control gear is by NE555 chip and auxiliary circuit and relay J ₂Normally open contact is formed.

5, multipurpose machine according to claim 1 is characterized in that warning circuit is arranged in the electrical control gear, and warning circuit is by CB556 chip and auxiliary circuit and relay J ₂Normally closed interlock form.

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