CN201023954Y - Vibration feeding device - Google Patents

Abstract

The utility model relates to a color selection sorter field, in particular to a vibration feeding device used for the color selection sorter. The utility model comprises a mechanical vibration mechanism and an electric control part; wherein, the electric control part consists of a work power supply, signal collection, signal arrangement, pulse forming and an output circuit; in the work power supply, an AC input produces a dual DC output by a voltage-reducing/rectifier module and a filtering; the signal collecting circuit transmits the control signal by a photoelectric coupler to implement the electric isolation; the signal arranging circuit produces two interruption signals by a comparing circuit consisting of two comparators, and produces the output signal to control the operation of a vibrator through a singlechip, a tristate door bumper and a controllable silicon circuit in the pulse forming and an output circuit. The utility model solves the defects of the prior art on stability, precision and interference and has the advantages of high efficiency, stabilization, continuum and no mutual operation interference. The utility model can be widely applied to feeding devices of grain materials such as rice, wheat, legume, gingili, grain-shaped chemical raw material, pearl, and glass, etc. The utility model is especially suitable for selecting the vibration feeding material of the rice color sorter.

Description

Vibrating material feeding device

Technical field

The utility model relates to a kind of granule materials feed oscillatory system that is used to sort color selector.

Background technology

At present, the principle of work of known granule materials feed (vibration) device all is to go into coil by alternating current through the silicon control half wave rectification is laggard, make adjusting shaft produce pulse-electromagnetic force, overcome the vibration bucket of inhaling U type connecting panel to be driven behind the elastic force of MULTILAYER COMPOSITE reed, in back half-wave electromagnetic force disappearance (owing to being half wave rectification), the potential energy that stores by compound reed resets U type connecting panel, thus reciprocal work of cycle.

Because the limitation of circuit layout, there are some technological deficiencies in existing feeder: 1) because the output load of granule materials feed (vibration) device is not a pure resistor load, outgoing current has certain pulse composition, can not instantaneous change and open and close the amplitude and the vibratory force of granule materials feed (vibration) device, so can not provide stable feeding coal continuously, the feed precision that out of reach is higher; 2) granule materials feed (vibration) device is at same bearing surface＜big plate of granule materials feed (vibration) device〉go up several when working simultaneously, according to the mechanical vibration resonance principle, have only when the frequency of granule materials feed (vibration) apparatus at low critical Near resonance oscillating, granule materials feed (vibration) device could be worked to each other effectively, vibratory force and Oscillation Amplitude are just bigger, serviceability is just relatively stable, can not interact between granule materials feed (vibration) device, suddenly big or suddenly small phenomenon can not occur; 3) because the SCR control level is strict to the requirement of trigging pulse circuit; design-calculated trigging pulse circuit was reasonable inadequately in the past; trigging pulse time, width, positive rise design not accurate enough; and it is bigger that its pulse circuit is influenced by the external electrical network voltage fluctuation more; therefore make circuit false triggering occur through regular meeting, influenced the work efficiency of granule materials feed (vibration) device.

The utility model content

Technical problem to be solved in the utility model provides a kind of vibrating material feeding device of efficient, stable, continuous, mutual noiseless work.

The technical scheme that the utility model adopted is: vibrating material feeding device, comprise mechanical vibration mechanism and electric control system, and its electric control system is made up of working power, acquisition of signal, signal sets, pulse formation and output circuit, wherein:

In working power, source of AC is connected on the connection terminal of CN1 and CON2, this terminal output is ACN, ACL, and be connected a capacitor C 2 between ACN and the ACL and carry out filtering, and the input of holding as the N of U2 module end and L respectively, after step-down and rectification, + VO mouth is exported as Vs, the output of-VO mouth is through chemical capacitor C1, the output of+VO mouth is through chemical capacitor C3, with GND1, the L that the common ACL of connection of GND2 output is the HAW3-220D3V3 module holds, and through chemical capacitor C9 and ceramic disc capacitor C8 in parallel, the filtering of C10, as direct supply Vcc output, two 5V vdc Vcc, Vs is respectively as the synchronizing voltage of the pale pinkish purple device U1 of photoelectricity, on the other hand again as single chip computer AT 89C2051, the power supply of comparator LM393 and triple gate eight energy disperser 74HC541 integrated packages.

In signal acquisition circuit, the far-end operation control signal is connected on the connection terminal of CN2 and CON3, output is through current-limiting resistance R1, sustained diode 1, produce the P3.0 pin that output signal triggers micro controller system U4 through the pale pinkish purple device U1 of photoelectricity again, be connected pull-up resistor R3 between output signal and the Vcc.

In the signal sets circuit, resistance R 2, R4, R5, diode D2, D4, stabilivolt D3, D5, comparator U3 forms a comparator circuit, exchange the positive-negative input end that input ACN process resistance R 2 and diode D2, D4 are connected to comparator U3, and export micro controller system to by resistance R 4, R5 generation two interrupt signal output INT0, INT1 at mouth.

In impulse singla formation and output circuit, micro controller system U4 is according to the signal and the software programming of input, the pulse voltage signal that formation starting phase angle, operating angle, conduction angle can be regulated, amplify back output signal A0-7 by triple gate eight energy disperser 74HC541, the work of driving circuit of SCR, output Q0-7 controls the jack-plug socket of granule materials feeder respectively.

The good effect that the utility model had is: can change and open and close the amplitude and the vibratory force of granule materials feed (vibration) device moment, feed that can be continuous, even, stable; Solved the problem that interacts, disturbs when several granule materials feeds (vibration) device is worked simultaneously simultaneously, do not had suddenly big or suddenly small phenomenon between granule materials feed (vibration) device and occur, working stability to each other, it is maximum that amplitude and vibratory force reach.

The utility model adopts the power supply of efficient stable, and the trigging pulse of degree of precision height, the trigging pulse circuit that antijamming capability is strong, enough width and accurate machining dimension make efficient, stable, continuous, the mutual noiseless work of feed (vibration) device.Be applicable to the feedway of rice, wheat, beans, sesame, graininess chemical and granule materials such as pearl, glass, be particularly useful for sorting the vibrating feed of apparatus of selecting rice color.

Description of drawings

Fig. 1 is working power circuit figure,

Fig. 2 is the signal sets circuit diagram,

Fig. 3 is signal acquisition circuit figure,

Fig. 4 is silicon control output circuit figure in impulse singla formation and the output circuit,

Fig. 5 is mechanical assembly drawing.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described.

Vibrating material feeding device comprises mechanical vibration mechanism and electric control system.

Its mechanical vibration mechanism as shown in Figure 5, each several part is among the figure, 1, shock pad 12, shock pad 23, adjusting shaft 4, bonnet 5, coil 6, vibrator seat 7, anchor shaft 8, dust boot 9, U-shaped connecting panel 10, pressing plate 11, reed 12, seal strip 13, vibration bucket 14, jack-plug socket.

Its electric control system is made up of working power, acquisition of signal, signal sets, pulse formation and output circuit.

As shown in Figure 1, in working power, source of AC 220V is connected on CN1 and two connection terminals of CON2, this terminal output is ACN, ACL, and be connected a capacitor C 2 between ACN and the ACL and carry out filtering, and the input of holding as the N of U2 module end and L respectively, after U2 module step-down and rectification, + VO mouth is Vs, the output of-VO mouth is through chemical capacitor C1, the output of+VO mouth is through chemical capacitor C3, with GND1, GND2 output is common to connect the L end that ACL is the U2 module, and through chemical capacitor C9 and ceramic disc capacitor C8 in parallel, the filtering of C10 is exported as direct supply Vcc, two 5V vdc Vcc, Vs is respectively as the synchronizing voltage of the pale pinkish purple device U1 of photoelectricity, on the other hand again as micro controller system U4, the power supply of comparator U3 and triple gate eight energy disperser U5 integrated packages.

As shown in Figure 3, in signal acquisition circuit, the far-end operation control signal is connected on CN2 and the CON3 connection terminal, this output signal is through current-limiting resistance R1, sustained diode 1, produce the P3.0 pin that output signal triggers micro controller system U4 through the pale pinkish purple device U1 of photoelectricity again, be connected pull-up resistor R3 between output signal and the Vcc.This partial circuit is by the pale pinkish purple device U1 of photoelectricity the pulse ultra-weak electronic signal of far-end operation control to be transmitted, realize the isolation on electric of input end and mouth, more effectively disturbance rejection, every noise, fast, the impulse singla of efficient output triggers the P3.0 pin of micro controller system U4, by the frequency and the dutycycle of software set control signal.

As shown in Figure 2, in the signal sets circuit, resistance R 2, R4, R5, diode D2, D4, stabilivolt D3, D5, comparator U3 forms a comparator circuit, exchanges the positive-negative input end that input ACN process resistance R 2 and diode D2, D4 are connected two comparators respectively, and exports micro controller system at mouth to by resistance R 4, R5 generation two interrupt signal output INT0, INT1.This partial circuit is to carry out the comparison of current potential by input AC 220V through comparator U3, form two independently exterior interrupt, micro controller system is determined the starting phase angle of output load power supply to determine when given trigging pulse according to this interrupt source signal, is made the quick turn-on and turn-off of silicon control.

As shown in Figure 3 and Figure 4, in impulse singla formation and output circuit, micro controller system U4 is according to the signal and the software programming of input, the pulse voltage signal that formation starting phase angle, operating angle, conduction angle can be regulated, amplify back output signal A0-A7 by triple gate eight energy disperser U5, drive silicon control T1-T8 circuit working, its output Q0-Q7 is connected on the connection terminal of CN3-CN10, and the connection terminal of this CN3-CN10 connects and control the jack-plug socket of granule materials feeder respectively.

It is to be noted: 1) because output load is not a pure resistor load, in order to reduce output pulse composition, connected in the output circuit shunt resistance (R6-R20) and a flywheel diode (D6-D13) can reduce the pulse current moment that is produced by load or eliminate; 2) operating voltage of U3, U4, U5 is output from step-down/rectification module U1 in the design's circuit, and this voltage produces after through the voltage transformer step-down, so isolate on electric; The far-end operation control signal is the transmission that realizes electric signal by photoelectrical coupler in addition, characteristics such as speed of response is fast, frequency of operation is high, transmission distortion is little, working stability are arranged because of the pale pinkish purple utensil of photoelectricity, therefore can finish level conversion by this circuit, the isolation of current potential is not so the trigging pulse circuit is subjected to extraneous power network fluctuation factor affecting substantially.3) adopt AT89C2051 series monolithic of new generation in the design's circuit in addition, frequency of operation, pulsewidth and dutycycle by software programming control output pulse circuit, and the pulse voltage signal that formation starting phase angle, operating angle, conduction angle can be regulated, by triple gate eight energy dispersers to the output pulse signal processing and amplifying, improve the output driving power, actv. triggers silicon control work, has avoided false triggering.

Claims (1)

1. vibrating material feeding device comprises mechanical vibration mechanism and electric control system, and its electric control system is made up of working power, acquisition of signal, signal sets, pulse formation and output circuit, it is characterized in that:

In working power, source of AC is connected on the connection terminal of CN1 and CON2, this terminal output is ACN, ACL, and be connected a capacitor C 2 between ACN and the ACL and carry out filtering, and the input of holding as the N of U2 module end and L respectively, after step-down and rectification, + VO mouth is exported as Vs, the output of-VO mouth is through chemical capacitor C1, the output of+VO mouth is through chemical capacitor C3, with GND1, the L that the common ACL of connection of GND2 output is the HAW3-220D3V3 module holds, and through chemical capacitor C9 and ceramic disc capacitor C8 in parallel, the filtering of C10 is as direct supply Vcc output, two 5V vdc Vcc, Vs is respectively as the synchronizing voltage of the pale pinkish purple device U1 of photoelectricity, on the other hand again as single chip computer AT 89C2051, the power supply of comparator LM393 and triple gate eight energy disperser 74HC541 integrated packages

In signal acquisition circuit, the far-end operation control signal is connected on the connection terminal of CN2 and CON3, and output produces the P3.0 pin that output signal triggers micro controller system U4 through the pale pinkish purple device U1 of photoelectricity again through current-limiting resistance R1, sustained diode 1, be connected pull-up resistor R3 between output signal and the Vcc

In the signal sets circuit, resistance R 2, R4, R5, diode D2, D4, stabilivolt D3, D5, comparator U3 forms a comparator circuit, exchange the positive-negative input end that input ACN process resistance R 2 and diode D2, D4 are connected to comparator U3, and export micro controller system to by resistance R 4, R5 generation two interrupt signal output INT0, INT1 at mouth

In impulse singla formation and output circuit, micro controller system U4 is according to the signal and the software programming of input, the pulse voltage signal that formation starting phase angle, operating angle, conduction angle can be regulated, amplify back output signal A0-7 by triple gate eight energy disperser 74HC541, the work of driving circuit of SCR, output Q0-7 controls the jack-plug socket of granule materials feeder respectively.

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