CN206007611U

CN206007611U - A kind of seed-coating machine

Info

Publication number: CN206007611U
Application number: CN201620671352.4U
Authority: CN
Inventors: 叶映; 白俊
Original assignee: Wenzhou Eson Electronics Technology Co Ltd
Current assignee: Wenzhou Eson Electronics Technology Co Ltd
Priority date: 2016-06-25
Filing date: 2016-06-25
Publication date: 2017-03-15
Anticipated expiration: 2026-06-25

Abstract

The utility model discloses a kind of seed-coating machine, its drip irrigation device is to include frame, three coating pans are provided with frame, the motor-driven rotation of three coating pans by being arranged in frame, it is additionally provided with frame for extracting the kinetic pump of syrup, kinetic pump is connected with each coating pan respectively by pipeline, syrup is placed in syrup case, the bottom of wherein syrup case is provided with for weighing the electronic scale of syrup case weight, when coating pan works, first pass through and weigh quantitative syrup and extracted by kinetic pump, and the parcel for carrying out pharmaceutical presentations sugar-coat is delivered in one of coating pan, so that the amount of the pharmaceutical glaze parcel in coating pan is uniform and quantitative.

Description

A kind of seed-coating machine

Technical field

This utility model is related to sugar-coat wrapping device field, more particularly to a kind of seed-coating machine.

Background technology

Seed-coating machine is that one kind can carry out organic film coating, water-soluble film-coat, slow, controlled release to tablet, pill, confection etc. Property coating a kind of efficiently, energy-conservation, safe, clean electromechanical equipment.

At present, notification number discloses a kind of propolis tablet production seed-coating machine for the Chinese patent of CN203220587U, and it wraps Seed-coating machine body is included, seed-coating machine body includes seed-coating machine drive system, coating pan, spray gun；Coating pan, spray gun connection seed-coating machine drive Dynamic system, and the ejiction opening of spray gun is towards the opening of coating pan, also includes that a controllable temperature supply air system, controllable temperature send subsystem bag Include a blowing device, the opening of the air outlet of blowing device towards coating pan；Controllable temperature supply air system also include an attemperating unit, One heater, a refrigerating plant, the control end connection refrigerating plant of attemperating unit, heater；The temperature of attemperating unit is surveyed Amount end, refrigerating plant, heater are respectively positioned on the supply air duct of blowing device.

Although this seed-coating machine can adjust the temperature in coating pan by controllable temperature supply air system, on the one hand, be conducive to The performance of propolis label is kept in coating process, it is to avoid propolis degeneration；On the other hand, the tablet that wraps can be done Dry, make coat tablets quickly form firm, fine and closely woven, complete, round and smooth surface film.

But coating pan is mainly rotated by Motor drive and serosity is wrapped on propolis tablet, it is the big batch system of propolis tablet Make, it usually needs big plant area carries out production operation, and plant area is generally arranged on rural area, suburb for saving plant area's cost by enterprise The places such as area, samll cities and towns, but samll cities and towns are fairly obvious in peak of power consumption night, Voltage Drop period, and therefore motor is in low-pressure state When lower driving coating pan is rotated, electric motor starting torque force is easily caused inadequate so that motor difficulty or ease drive coating pan to rotate, so that Obtaining stator current in motor increases, and power consumption increases, and stator winding is overheated, so as to be easily caused motor under long-time low-pressure state Damage.

Utility model content

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of seed-coating machine, with can be in electricity During net brownout, the characteristic of motor normal working voltage can be maintained all the time.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of seed-coating machine, including frame, is provided with three coating pans in frame, and three coating pans are by being arranged on machine Motor-driven rotation in frame, is additionally provided with for extracting the kinetic pump of syrup in frame, kinetic pump by pipeline respectively with Each coating pan connection, the seed-coating machine also include the first buck unit, the second buck unit, voltage detection unit and execution Unit；

The first buck unit is coupled to electrical network to export first voltage signal；

The second buck unit is coupled to electrical network to provide the running voltage of motor；

The voltage detection unit is coupled to the first buck unit to receive first voltage signal output voltage detection Signal；

The performance element is coupled to voltage detection unit with receiving voltage detection signal, and in response to voltage detection signal To change the coil turn of the second buck unit to change the running voltage of motor.

By above-mentioned technical proposal, at the peak of power consumption time period in night, voltage detection unit detects the voltage of electrical network Too low, the coil turn for controlling the second buck unit by performance element increases, and is supplied to so as to improve the second lifting unit The running voltage of motor so that motor can work under normal running voltage, it is ensured that motor can have normal startup coating pan The torque torsion of rotation.

Preferably, the first buck unit includes transformator primary side and Circuit Fault on Secondary Transformer, the transformator two Secondary side is coupled to transformator primary side to receive the voltage of electrical network, and exports first voltage signal.

By above-mentioned technical proposal, the first buck unit is coupling on transformator primary side by Circuit Fault on Secondary Transformer and is used In providing voltage detection unit stable first voltage signal, with the work for facilitating voltage detection unit to detect, circuit inspection is improved The accuracy of survey.

Preferably, the second buck unit includes four sides in three sides of transformator and transformator being connected in series；

The voltage that three sides of the transformator are coupled to transformator primary side to receive electrical network is used for the work for providing motor Voltage；

The voltage that four sides of the transformator are coupled to transformator primary side to receive electrical network is used for providing input voltage；

Four sides in three sides of the transformator and transformator are coupled to performance element, and are controlled by performance element with will be defeated Enter in the running voltage that voltage seals in motor.

By above-mentioned technical proposal, in electrical network during brownout, by the line of four sides of performance element control transformator Circle is sealed in the coil of three sides of transformator, so as to increase the mode of motor operating voltage, the control of simple to operation, circuit Reliability high.

Preferably, the performance element includes that switch element and executive component, the switch element are coupled to voltage detecting With receiving voltage detection signal output switching signal, the executive component is coupled to switch element to receive switch letter unit Number, and in response to switching signal changing the coil turn of the second buck unit.

By above-mentioned technical proposal, switch element and the selection of executive component, make the structure of circuit simpler, cost Low, facilitate the maintenance and maintenance in later stage.

Preferably, the switch element be the second audion, the executive component be relay, the coil of the relay Upper inverse parallel has fly-wheel diode.

By above-mentioned technical proposal, fly-wheel diode plays a part of afterflow, when the coil blackout of relay, remains in Electric current in relay coil can be discharged by fly-wheel diode, prevent from impacting circuit.

Preferably, also include alarm unit, the alarm unit is coupled to performance element and is exported to receive performance element Execution signal, and in response to executing signal realizing warning.

By above-mentioned technical proposal, during brownout of the alarm unit in electrical network, warning is sent, give operator electricity The instruction of brownout in net, facilitates operator to make corresponding adjustment to the work of seed-coating machine.

Preferably, the alarm unit includes that oscillating portion and warning part, the oscillating portion are coupled to performance element to receive Signal, and outputting oscillation signal is executed, the warning part is coupled to oscillating portion to receive oscillator signal, and in response to vibration signal To realize interruption warning.

By above-mentioned technical proposal, by way of alarm unit interruption warning so that alarming effect can add substantially so that Operator can clearly receive configured information.

Preferably, the warning part realizes warning by light-emitting component.

By above-mentioned technical proposal, the mode of light-emitting component warning, more eye-catching with directly perceived, do not affecting operator Give operator sufficient information warning while work.

Preferably, the voltage detection unit includes first resistor, second resistance, slide rheostat, the first audion, institute The one end for stating first resistor is coupled to the first buck unit, and the other end is coupled to slide rheostat one end, slide rheostat The other end is coupled to the first buck unit, and the base stage of the first audion is coupled to the knot between first resistor and slide rheostat On point, the colelctor electrode of the first audion connects the first buck unit, the first transistor emitter coupling after being coupled to second resistance The first buck unit is connected to, the base stage of second audion is coupled between second resistance and the first transistor collector On node.

By above-mentioned technical proposal, resistance is being adjusted by slide rheostat using front, using first resistor and change of sliding The principle of resistance device partial pressure so that the voltage on the first transistor base is in the quiescent point of the first audion, in electrical network In brownout when, on the first transistor base voltage mutually will strain big so that the first triode ON, circuit structure Simply, compact, go control relay to obtain electric or dead electricity using the switching characteristic of the first audion so that circuit safety performance is more Good.

Preferably, current-limiting resistance is in series between the base stage of second audion and the colelctor electrode of the first audion.

By above-mentioned technical proposal, current-limiting circuit, can be to voltage detecting when voltage detection signal is delivered to performance element Signal plays a part of current limliting, and voltage detection signal will not be excessive, so as to improve the reliability of circuit.

In sum, this utility model having the beneficial effect that in contrast to prior art：At the peak of power consumption time period in night, The coil turn of the second buck unit is lifted, the running voltage of motor is improved so that motor can be under normal running voltage Work, it is ensured that motor can have the torque torsion for normally starting coating pan rotation.

Description of the drawings

Structural representations of the Fig. 1 for embodiment one, three coating pans of main presentation and kinetic pump and the annexation of motor；

Fig. 2 is the first buck unit, the second buck unit, voltage detection unit, the circuit theory diagrams of performance element；

Circuit theory diagrams of the Fig. 3 for alarm unit.

Reference：1st, the first buck unit；2nd, the second buck unit；3rd, voltage detection unit；4th, performance element； 5th, alarm unit；51st, oscillating portion；52nd, warning part；6th, light-emitting component；7th, frame；8th, coating pan；9th, kinetic pump；10th, pipeline； 11st, syrup case；12nd, electronic scale；M, motor；L1, transformator primary side；L2, Circuit Fault on Secondary Transformer；L3, three sides of transformator； L4, four sides of transformator；Q2, the second audion；KM1, relay；D1, fly-wheel diode；R1, first resistor；R2, the second electricity Resistance；RP1, slide rheostat；Q1, the first audion；R3, current-limiting resistance.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment one：

A kind of seed-coating machine, as shown in figure 1, including frame 7, be provided with three coating pans 8, three coating pans 8 in frame 7 Driven by the motor M that is arranged in frame 7 and rotated, be additionally provided with frame 7 for extracting the kinetic pump 9 of syrup, move Power pump 9 is connected with each coating pan 8 respectively by pipeline 10, and syrup is placed in syrup case 11, wherein the bottom of syrup case 11 Be provided with for weighing the electronic scale 12 of 11 weight of syrup case, when coating pan 8 works, first pass through and quantitative syrup is weighed by dynamic Power pump 9 is extracted, and is delivered in one of coating pan 8 parcel for carrying out pharmaceutical presentations sugar-coat so that the medicine in coating pan 8 The amount of sugar-coat parcel is uniform and quantitative.

As shown in Fig. 2 also including the first buck unit 1, the second buck unit 2, voltage detection unit 3 and executing list Unit 4；First buck unit 1 is coupled to electrical network to export first voltage signal；Second buck unit 2 is coupled to electrical network to carry The running voltage of power supply machine M；Voltage detection unit 3 is coupled to the first buck unit 1 to receive first voltage signal and export Voltage detection signal；Performance element 4 is coupled to voltage detection unit 3 with receiving voltage detection signal, and in response to voltage detecting Signal is changing the coil turn of the second buck unit 2 to change the running voltage of motor M.In the peak of power consumption time period in night When, by lifting the coil turn of the second buck unit 2, improve the running voltage of motor M so that motor M can be normal Running voltage under work, it is ensured that motor M can have normally start coating pan 8 rotate torque torsion.

First buck unit 1 includes that transformator primary side L1 and Circuit Fault on Secondary Transformer L2, Circuit Fault on Secondary Transformer L2 are coupled In transformator primary side L1 to receive the voltage of electrical network, and export first voltage signal.First buck unit 1 also includes rectification Filter unit, the full-bridge rectification that rectification filtering unit is made up of VD1～VD4 diodes, while be connected with electricity on its output Solution electric capacity C1, to realize the function of filtering；Circuit Fault on Secondary Transformer L2 is coupling in transformator and once surveys on L1, to be supplied to voltage inspection 3 first voltage signal of unit is surveyed, and stable first voltage signal is exported through full-bridge rectification, filter through electrochemical capacitor C1 Glitch noise therein so that first voltage distorted signals are less so that voltage detection unit 3 is examined to first voltage signal More accurate during survey.

Second buck unit 2 includes the four side L4 of three side L3 of transformator and transformator being connected in series；Transformator three The voltage that secondary side L3 is coupled to transformator primary side L1 to receive electrical network is used for the running voltage for providing motor M；Transformator four times The voltage that side L4 is coupled to transformator primary side L1 to receive electrical network is used for providing input voltage；Three side L3 of transformator and transformation Four side L4 of device are coupled to performance element 4, and when line voltage is normally constant, performance element 4 passes through three side L3 of transformator Running voltage is provided to seed-coating machine；But when grid voltage sags, performance element 4 will control the coil string of four side L4 of transformator Enter in three side L3 of transformator, will the input voltages that provide of four side L4 of transformator seal in three side L3 of transformator and provide Motor M running voltages in so that motor M increases the torque torsion of motor M, makes under the normal operating voltage state Obtain the rotation that motor M can normally start coating pan 8 in seed-coating machine.

Voltage detection unit 3 includes first resistor R1, second resistance R2, slide rheostat RP1, the first audion of NPN type Q1, one end of first resistor R1 are coupled on the outfan of full-bridge rectification, and the other end is coupled to slide rheostat RP1 one end, sliding The other end of dynamic rheostat RP1 is coupled on the input of full-bridge rectification to form loop, the base stage coupling of the first audion Q1 On node between first resistor R1 and slide rheostat RP1, the colelctor electrode of the first audion Q1 is coupled to second resistance R2 Afterwards on the outfan of connection full-bridge rectification, the first audion Q1 emitter stages are coupled on the input of full-bridge rectification, performance element 4 It is coupled on the node between second resistance R2 and the first audion Q1 colelctor electrodes.In performance element 4 and the first audion Q1 Current-limiting resistance R3 is also in series between colelctor electrode, and the voltage detection signal electric current for preventing the output of voltage detection unit 3 is excessive.

First resistor R1 and slide rheostat RP1 constitute bleeder circuit, that is, adjust the resistance of slide rheostat RP1, and two The voltage that assigns between person will accordingly produce change, and the resistance of slide rheostat RP1 becomes big, and the voltage which is assigned to becomes big, now The resistance of first resistor R1 is with regard to corresponding step-down.The base bias of the first audion Q1 is by first resistor R1 and slide rheostat RP1 Partial pressure obtain, when line voltage be 220V when, adjust slide rheostat RP1 cause the first audion Q1 be in quiescent point On, i.e. the first audion Q1 is just at saturation conduction state, now, the first audion Q1 current collections extremely low electricity of low level output Flat voltage detection signal does not work to performance element 4, performance element 4；When grid voltage sags are to below 220V, so as to coupling Conjunction accordingly reduces in the voltage of the Circuit Fault on Secondary Transformer output of transformator primary side, the base potential step-down of the first audion Q1, So that the first audion Q1 loses quiescent point, i.e. the first audion Q1 and exits saturation region in cut-off state, so that Current potential on first audion Q1 colelctor electrodes rises the voltage detection signal of output high level to performance element 4, and performance element 4 is controlled The coil of four side L4 of transformator processed is sealed in three side L3 of transformator.

Performance element 4 includes that switch element and executive component, switch element are coupled to voltage detection unit 3 with receiving voltage Detection signal output switching signal, executive component are coupled to switch element to receive switching signal, and in response to switching signal To change the coil turn of the second buck unit 2.Second audion Q2 of the switch element for NPN type, executive component is relay Device KM1, one end of relay KM1 coils are connected on the outfan of full-bridge rectification, and the other end is connected to the second audion Q2's On colelctor electrode, the base stage of the second audion Q2 is connected on current-limiting resistance R3, and the emitter stage of the second audion Q2 is connected to full-bridge In rectification.The transfer contact KM1-1 of relay KM1 is connected on four sides in three sides of transformator and transformator, as relay KM1 Coil losing electricity when, transfer contact KM1-1 will be connected on the current supply circuit of three side L3 of transformator so that motor M can normal work Make；When relay KM1 obtains electric, transfer contact KM1-1 will be connected on the current supply circuit of four side L4 of transformator so that by transformation The coil of four sides of device is sealed in three sides of transformator, so that the running voltage of motor M gets a promotion.

On the coil of relay KM1, inverse parallel has sustained diode 1, sustained diode 1 to play a part of afterflow, when after During the coil blackout of electrical equipment KM1, remaining in the electric current in coil can be discharged by sustained diode 1, prevent from making circuit Into impact.

Embodiment two：

Based on the basis of embodiment one, as shown in figure 3, also including alarm unit 5, alarm unit 5 is coupled to and executes list First 4 to receive the execution signal exported by performance element 4, and in response to executing signal to realize warning.Alarm unit 5 includes shaking Portion 51 and warning part 52 is swung, oscillating portion 51 is coupled to performance element 4 to receive execution signal, and outputting oscillation signal, warning part 52 are coupled to oscillating portion 51 to receive oscillator signal, and are warned with realizing interruption in response to vibration signal.Warning part 52 is by sending out Optical element 6 realizes warning.Warning part 52 also includes the 3rd audion Q3 of NPN type, and wherein, the light-emitting component 6 of warning part 52 is LED 1.The controlled terminal of oscillating portion 51 connects power Vcc after being coupled to the normally opened contact KM1-2 of relay KM1, shakes The outfan for swinging portion 51 is coupled to the base stage of the 3rd audion Q3, and controls the break-make of the 3rd audion Q3, the 3rd audion Q3 Colelctor electrode be connected to after LED 1 and connect power Vcc, relay is worked as in the grounded emitter of the 3rd audion Q2 The coil of KM1 obtains electric, the normally opened contact KM1-2 closures of control relay KM1 so that oscillating portion 51 works, and exports a vibration Signal, oscillator signal are square wave, and the 3rd audion Q3 of control replaces break-make, so that 1 discontinuity of LED is sent out Light, to realize warning.

The course of work：

Pressing switch SB1 causes motor M to start working；When line voltage is normal, the first audion Q1 would operate in quiet On state operating point (saturation conduction state) so that the second audion Q2 ends, relay KM1 must not be electric, control relay KM1 Transfer contact KM1-1 is acted on three side L3 of transformator with controlled motor M under running voltage, and relay KM1's is normally opened Contact KM1-2 disconnects；When grid voltage sags, the first audion Q1 exits saturation conduction state and is in cut-off state, the The colelctor electrode of one audion Q1 is in high level, control the second audion Q2 conductings so that the coil of relay KM1 obtains electric, control The transfer contact KM1-1 of relay KM1 processed is transferred on four sides of transformator, and the coil of four sides of transformator is sealed in three In secondary side (will the input voltage that provides of four sides of transformator seal in the motor M running voltages that three sides of transformator provide) To improve the running voltage of motor M so that motor M is in normal operating conditions；And now, the normally opened contact of relay KM1 KM1-2 is closed, and the input of oscillating portion 51 is introduced into high level signal, so that the work of oscillating portion 51 alternately exports high level Oscillator signal to the 3rd audion Q3, the 3rd audion Q3 of control replaces break-make, so that LED 1 is interrupted Luminous realization warning.

The above is only exemplary embodiment of the present utility model, not for restriction protection model of the present utility model Enclose, protection domain of the present utility model is determined by appended claim.

Claims

1. a kind of seed-coating machine, including frame (7), is characterized in that：Three coating pans (8), three coatings are provided with frame (7) Pot (8) is driven by the motor (M) that is arranged in frame (7) and is rotated, and is additionally provided with for extracting syrup in frame (7) Kinetic pump (9), kinetic pump (9) are connected with each coating pan (8) respectively by pipeline (10), and the seed-coating machine also includes the first lifting Pressure unit (1), the second buck unit (2), voltage detection unit (3) and performance element (4)；

First buck unit (1) is coupled to electrical network to export first voltage signal；

Second buck unit (2) are coupled to electrical network to provide the running voltage of motor (M)；

Voltage detection unit (3) are coupled to the first buck unit (1) to receive first voltage signal output voltage inspection Survey signal；

Performance element (4) are coupled to voltage detection unit (3) with receiving voltage detection signal, and believe in response to voltage detecting Number changing the coil turn of the second buck unit (2) to change the running voltage of motor (M).

2. a kind of seed-coating machine according to claim 1, is characterized in that：Described first buck unit (1) includes transformator Primary side (L1) and Circuit Fault on Secondary Transformer (L2), Circuit Fault on Secondary Transformer (L2) are coupled to transformator primary side (L1) to receive The voltage of electrical network, and export first voltage signal.

3. a kind of seed-coating machine according to claim 2, is characterized in that：Described second buck unit (2) include that series connection connects Four sides (L4) of three sides (L3) of the transformator for connecing and transformator；

The voltage that three sides (L3) of the transformator are coupled to transformator primary side (L1) to receive electrical network is used for providing motor (M) Running voltage；

The voltage that four sides (L4) of the transformator are coupled to transformator primary side (L1) to receive electrical network is used for providing input electricity Pressure；

Four sides (L4) of three sides (L3) of the transformator and transformator are coupled to performance element (4), and are controlled by and execute list First (4) are sealing in input voltage in the running voltage of motor (M).

4. a kind of seed-coating machine according to claim 1, is characterized in that：Described performance element (4) include switch element and hold Units, the switch element are coupled to voltage detection unit (3) with receiving voltage detection signal output switching signal, described Executive component is coupled to switch element to receive switching signal, and in response to switching signal changing the second buck unit (2) Coil turn.

5. a kind of seed-coating machine according to claim 4, is characterized in that：The switch element be the second audion (Q2), institute Executive component is stated for relay (KM1), inverse parallel on the coil of relay (KM1) has fly-wheel diode (D1).

6. a kind of seed-coating machine according to claim 1, is characterized in that：Also include alarm unit (5), the alarm unit (5) performance element (4) is coupled to receive the execution signal exported by performance element (4), and in response to executing signal to realize Warning.

7. a kind of seed-coating machine according to claim 6, is characterized in that：Described alarm unit (5) include oscillating portion (51) with Warning part (52), oscillating portion (51) are coupled to performance element (4) to receive execution signal, and outputting oscillation signal, described Warning part (52) is coupled to oscillating portion (51) to receive oscillator signal, and is warned with realizing interruption in response to vibration signal.

8. a kind of seed-coating machine according to claim 7, is characterized in that：Described warning part (52) are real by light-emitting component (6) Now warn.

9. a kind of seed-coating machine according to claim 5, is characterized in that：Described voltage detection unit (3) include first resistor (R1), second resistance (R2), slide rheostat (RP1), the first audion (Q1), the one end of first resistor (R1) is coupled to First buck unit (1), the other end are coupled to slide rheostat (RP1) one end, the other end coupling of slide rheostat (RP1) In the first buck unit (1), the base stage of the first audion (Q1) be coupled to first resistor (R1) and slide rheostat (RP1) it Between node on, the colelctor electrode of the first audion (Q1) is coupled to second resistance (R2) and connects the first buck unit (1) afterwards, One audion (Q1) emitter stage is coupled to the first buck unit (1), and the base stage of the second audion (Q2) is coupled to second On node between resistance (R2) and the first audion (Q1) colelctor electrode.

10. a kind of seed-coating machine according to claim 9, is characterized in that：The base stage and first of the second audion (Q2) Current-limiting resistance (R3) is in series between the colelctor electrode of audion (Q1).