CN107071642A - Miaow head automatic separation equipment - Google Patents

Miaow head automatic separation equipment Download PDF

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Publication number
CN107071642A
CN107071642A CN201710239314.0A CN201710239314A CN107071642A CN 107071642 A CN107071642 A CN 107071642A CN 201710239314 A CN201710239314 A CN 201710239314A CN 107071642 A CN107071642 A CN 107071642A
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CN
China
Prior art keywords
module
output
modules
miaow head
frequency
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CN201710239314.0A
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Chinese (zh)
Inventor
李达军
江理平
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Shenzhen Hao Fute Automation Equipment Co
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Shenzhen Hao Fute Automation Equipment Co
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Priority to CN201710239314.0A priority Critical patent/CN107071642A/en
Publication of CN107071642A publication Critical patent/CN107071642A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00Details of connection covered by H04R, not provided for in its groups
    • H04R2420/05Detection of connection of loudspeakers or headphones to amplifiers

Abstract

The invention discloses a kind of miaow head automatic separation equipment, mainly rotary accurate charging is carried out to miaow head using indexing rotary table to control with discharging, and binding test probe, given sound source to carry out performance test to miaow head, to obtain the properties of product information of miaow head, and these information are carried out with automatic decision, processing and analysis using detection module, AD acquisition modules and PLC operation control modules, and then draw the product performance of each miaow head, Mechanical sorting systems are recycled to be sorted according to its product performance, so as to realize the automatic testing, sorting function of miaow head.Its whole test process is automatically brought into operation using full intellectualized, can be prevented effectively from that human factor brings is bad, not only there is splendid test accuracy, and testing, sorting speed is fast, efficiency high, whole single miaow head automatic sorting process is less than 2 seconds, production cost is saved, factory general expenses is reduced, reduces recruitment cost of investment.

Description

Miaow head automatic separation equipment
Technical field
The present invention relates to the test equipment technical field of electret microphone (miaow head), and in particular to a kind of miaow head divides automatically Optional equipment.
Background technology
Currently, miaow head (electret microphone) has been widely used in a variety of electricity such as mp3, mp4, digital camera, telephone set On sub- digital product.With advances in technology, the continuous renewal of demand, the species of miaow head is also more and more:It is unidirectional miaow, two-way Miaow, anti-noise miaow, silicon wafer miaow, ultrasonic miaow, infrasonic sound miaow, standard miaow are too numerous to enumerate.
In the production process of miaow head, the testing, sorting for being directed to miaow head is one of wherein particularly important process, at present The test of miaow head has three kinds of test modes:Manual test is carried out using sensitivity test instrument;Zhejiang University's sweep generator manual test;Current city Auto testing instrument on field.Traditional detection method is manually to each electret microphone according to itself 1kHz and 70Hz sensitivity The indexs such as value, frequency response, operating current are classified.This method operating efficiency is relatively low, and labour cost is higher, and easily Introduce the subjective error of operating personnel so that oeverall quality, the competitiveness of product are affected.Zhejiang University's sweep generator testing time It is long, high is required to test environment, is only suitable for specialities detection and measurement in lab, is not suitable for product batch and checks;Current city On field auto testing instrument be based on Zhejiang University's test system on be changed to automatically measurement, due to being surveyed by the way of frequency sweep Amount, environment influences big to measurement result, causes its measurement result inaccurate;Often there is the situation failed to judge, judged by accident to occur;It is simultaneously right Gas leakage product, which can not be checked, to be come.In addition, existing market auto testing instrument checks that the product come also needs to artificial detection, thus The customer requirement increasingly lifted can not be fully met, without the market competitiveness.
The content of the invention
In view of this, in order to solve above mentioned problem of the prior art, the present invention proposes a kind of miaow head automatic separation equipment, It uses full intellectualized operation operation, not only efficiency high, and precision is high.
The present invention is solved the above problems by following technological means:
A kind of miaow head automatic separation equipment, including mechanical part and electric part, the mechanical part include mechanical feed System, mechanical test system and Mechanical sorting systems;The electric part includes detection module, AD acquisition modules and PLC computings Control module;Wherein
The mechanical test system includes is provided with circumference on indexing rotary table, test probe and given sound source, indexing rotary table Multiple locating slots for being used to store and drive miaow head to rotate of distribution, mechanical test system presses the rotation direction of the indexing rotary table extremely A feed zone, a test section and a discharge zone are disposed with less;The output end of aforementioned mechanical feed system connects the feed zone, The test probe and given sound source are set with respect to the test section;One end of test probe is used to stretch into test section to prick miaow head On polarity contact, the other end of test probe connects the detection module;Given sound source is used to export the tunnels of 70HZ/1KHZ/5KHZ tri- Frequency acoustic makes voltage or current signal that miaow head is exported be delivered to detection by testing probe the miaow hair sound in test section Module;
The output end of the detection module is connected to AD acquisition modules, for by voltage or current signal carry out frequency-selecting, amplification, Exported after integration and give AD acquisition modules;The output end of AD acquisition modules is connected to PLC operation control modules, the PLC operation controls The data that module is used to gather AD acquisition modules carry out computing, and analyze the product performance of each miaow head;
The input of the Mechanical sorting systems connects the discharge zone of foregoing indexing rotary table, and Mechanical sorting systems include according to miaow The rewinding box that the product performance of head is set.
Preferably, the given sound source includes the first single-chip microcomputer, and the first single-chip microcomputer output connects 70HZ amplitude potentiometers, The output end connection 70HZ frequency-selecting modules of 70HZ amplitude potentiometers, the output end connection 70HZ calibration modules of 70HZ frequency-selecting modules, The output end connection power driver module of 70HZ calibration modules, first single-chip microcomputer is used for the fixation square wave frequency for sending 70HZ, Feeding 70HZ frequency-selectings module passes through 70HZ calibration modules again after carrying out the high low pass amplification of frequency-selecting after being controlled through 70HZ amplitudes potentiometer Calibration is converted to sine wave signal and delivers to power driver module;
First single-chip microcomputer output is also connected with 1KHZ amplitude potentiometers, the output end connection 1KHZ choosings of 1KHZ amplitude potentiometers Frequency module, the output end connection 1KHZ calibration modules of 1KHZ frequency-selecting modules, the output end connection power drive of 1KHZ calibration modules Module, first single-chip microcomputer is additionally operable to send 1KHZ fixation square wave frequency, and 1KHZ is sent into after being controlled through 1KHZ amplitudes potentiometer Sine wave signal, which is converted to, after the high low pass amplification of frequency-selecting module progress frequency-selecting by the calibration of 1KHZ calibration modules again delivers to power drive Dynamic model block;
The given sound source also includes second singlechip, second singlechip output end connection 5KHZ amplitude potentiometers, 5KHZ The output end connection 5KHZ frequency-selecting modules of amplitude potentiometer, the output end connection 5KHZ calibration modules of 5KHZ frequency-selecting modules, 5KHZ The output end connection power driver module of calibration module, the second singlechip is used for the fixation square wave frequency for sending 5KHZ, warp Feeding 5KHZ frequency-selectings module passes through 5KHZ calibration modules school again after carrying out the high low pass amplification of frequency-selecting after the control of 5KHZ amplitudes potentiometer Standard is converted to sine wave signal and delivers to power driver module;
The output end connection loudspeaker of the power driver module, sound is sent for drive the speaker.
Preferably, the detection module includes current signal collecting unit, current signal buffer cell, the list being sequentially connected Piece machine I/O port, in addition to electronics needle exchange component, electronics needle exchange module, the electronic switch unit being sequentially connected, are tested the electricity of miaow head Signal is flowed by being sent to PLC operation control moulds by single-chip I/O mouth after current signal collecting unit, current signal buffer cell Block, PLC operation control modules recognize whether the electric current is identical with factory set electric current, and electronics needle exchange is then provided if any error and is referred to Order, control electronics needle exchange component carries out electronics needle exchange to tested miaow head, until electric current reaches right value;
The detection module also includes national standard 94DB standard blocks, the output end connection standard prime of national standard 94DB standard blocks Unit, the output end connection electronic switch unit of standard prime unit, national standard 94DB standard blocks sense given sound source three After the frequency acoustic signal of road, amplify by standard prime unit, electronic switch unit is sent into, and after correct electronics needle exchange Tested miaow head is compared under the comparison parameter that producer gives, and when error amount exceedes factory settings value, equipment will be stopped And alarm staff;
The output end of the electronic switch unit connects public amplifying unit, and the output end of public amplifying unit is connected respectively 70HZ frequency dividings integration module, 1KHZ frequency dividings integration module, 5KHZ frequency dividing integration modules, the output end of 70HZ frequency dividing integration modules connect Connect 70HZ amplitude buffer cells, the output end connection 70HZ/AD output modules of 70HZ amplitude buffer cells, 1KHZ frequency dividing integration moulds The output end connection 1KHZ amplitude buffer cells of block, the output end connection 1KHZ/AD output modules of 1KHZ amplitude buffer cells, The output end connection 5KHZ amplitude buffer cells of 5KHZ frequency dividing integration modules, the output end connection of 5KHZ amplitude buffer cells 5KHZ/AD output modules, single-chip I/O mouth connect respectively the output end of 70HZ/AD output modules, 1KHZ/AD output modules it is defeated Go out end, the output end of 5KHZ/AD output modules;
After tested miaow head is compared with national standard 94DB standard blocks, the public amplifying unit of voltage signal feeding carries out voltage and put Greatly, the DB values that miaow head possesses certain amplitude after prior process and voltage amplification are tested, the DB values of the amplitude are respectively enterd 70HZ/1KHZ/5KHZ frequency dividing integration modules carry out frequency stabilization correcting process, then single by three road 70HZ/1KHZ/5KHZ amplitudes bufferings Parameter request needed for member is converted into AD acquisition modules is exported by 70HZ/1KHZ/5KHZ/AD output modules respectively.
Preferably, the indexing rotary table is the feed zone on the round turntable of 360 degree of quarterings, indexing rotary table and test section Between be further provided with material waiting section;
The locating slot is in the short slot of the lateral upper shed of indexing rotary table;
The test probe system is installed on upper and lower air cylinders.
Preferably, the rotation system of the indexing rotary table passes through a step motor control.
Preferably, the mechanical part further comprises there is a human machine interface operation system, the human machine interface operation system Include shift knob and touch-screen.
Preferably, the mechanical feed system includes vibrating disk and straight-line oscillation device, the output end connection of vibrating disk In the input of straight-line oscillation device, the output end of straight-line oscillation device is connected to the feed zone of foregoing indexing rotary table;
The mechanical feed system also includes suction nozzle and left and right cylinder, and suction nozzle system is installed in left and right cylinder.
Preferably, the PLC operation control modules are connected to aforementioned mechanical feed system, mechanical test system, machinery point System is selected, the rotation of feeding, indexing rotary table for control machinery feed system, the movement for testing probe.
Preferably, the Mechanical sorting systems include material separating disc and material toggling head, the indexing rotary table of material separating disc and top it Between connected by a tremie pipe, the upper end of tremie pipe is connected to the discharge zone of indexing rotary table, and tremie pipe lower end is installed on material toggling head On, material toggling head is arranged on material separating disc, and material toggling head is moved by a blanking motor belt motor to be rotated;Be provided with material separating disc it is multiple under Expect hole, the plurality of blanking hole is circumferentially distributed around the rotating shaft of material toggling head, and each blanking hole passes through a sub-feed tube and lower section respectively Rewinding box connection.
Preferably, the PLC operation control modules include single-chip microcomputer primary module, and single-chip microcomputer primary module is connected respectively to material inspection Survey module, blanking seek a module, measurement failure alarm module, measurement upper and lower air cylinders buffer module, inhale blowing left and right cylinder module, Electronics needle exchange unit, blanking motor pulses module, communication module for reading and writing, high-capacity storage module, the output of electronics needle exchange unit End connection electronics needle exchange output module;
Should to material detection module be used for identification whether there is miaow head reach test section, when miaow head reach test section when, to expect detect Module issues instructions to single-chip microcomputer primary module, and single-chip microcomputer primary module issues instructions to measurement upper and lower air cylinders buffer module, the measurement Upper and lower air cylinders buffer module fulfils upper and lower air cylinders and drives test probe to move down task, and single-chip microcomputer primary module receives measurement result Afterwards, send instruction make measurement upper and lower air cylinders buffer module fulfil upper and lower air cylinders drive test probe move up task, while providing suction Blowing left and right cylinder module instruction, the suction blowing left and right cylinder module fulfils left and right cylinder and drives suction nozzle suction task, sends out simultaneously Go out blanking motor pulses signal to blanking motor pulses module, the blanking motor pulses module starts blanking motor, provided simultaneously Blanking seeks bit instruction to blanking and seeks a module, makes blanking motor drive material toggling head to rotate and sets the miaow head being measured by factory Fixed data are lost in corresponding rewinding box;
Single-chip microcomputer primary module is additionally operable to recognize whether the current signal of tested miaow head is identical with factory set electric current, such as wrong It is poor then provide electronics needle exchange and instruct to electronics needle exchange unit, pass through electronics needle exchange output module and convey electronics needle exchange and instruct, control Electronics needle exchange component carries out electronics needle exchange to tested miaow head, until electric current reaches right value;
Single-chip microcomputer primary module, which is additionally operable to send into measurement result in high-capacity storage module, carries out provisional storage, so as to factory Measurement result is consulted at any time, while the data storage is connected by communication module for reading and writing after caching by USB with touch-screen, display Measurement result;
Single-chip microcomputer primary module is additionally operable to send warning reminding work people by measuring failure alarm module when measuring failure Member.
Compared with prior art, the present invention mainly carries out rotary accurate charging and discharging to miaow head using indexing rotary table Control, and binding test probe, given sound source to carry out performance test to miaow head, to obtain the properties of product information of miaow head, with And these information are carried out with automatic decision, processing with dividing using detection module, AD acquisition modules and PLC operation control modules Analysis, and then the product performance of each miaow head is drawn, recycle Mechanical sorting systems to be sorted according to its product performance, so that real The automatic testing, sorting function of existing miaow head.Its whole test process is automatically brought into operation using full intellectualized, can be prevented effectively from artificial It is bad that factor is brought, not only with splendid test accuracy, and testing, sorting speed is fast, efficiency high, whole single miaow Head automatic sorting process is less than 2 seconds, saves production cost, reduces factory general expenses, reduce recruitment cost of investment.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is the mechanical structure perspective representation of the present invention;
Fig. 2 is the stereochemical structure diagram of mechanical test system of the present invention and Mechanical sorting systems;
Fig. 3 is the stereochemical structure diagram of mechanical feed system of the present invention and mechanical test system;
Fig. 4 is the frame principle figure of the present invention;
Fig. 5 is the frame principle figure of the given sound source of the present invention;
Fig. 6 is the frame principle figure of detection module of the present invention;
Fig. 7 is the frame principle figure of PLC operation control modules of the present invention.
Accompanying drawing identifier declaration:
10th, mechanical feed system 31, material separating disc
11st, vibrating disk 311, blanking hole
12nd, straight-line oscillation device 32, material toggling head
20th, mechanical test system 33, rewinding box
21st, indexing rotary table 34, tremie pipe
22nd, test probe 35, sub-feed tube
23rd, sound source 36, blanking motor are given
25th, stepper motor 50, detection module
261st, feed zone 60, AD acquisition modules
262nd, material waiting section 70, PLC operation control modules
263rd, test section 80, human machine interface operation system
264th, discharge zone 81, shift knob
27th, upper and lower air cylinders 82, touch-screen
30th, Mechanical sorting systems 90, frame
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with accompanying drawing and specifically Embodiment technical scheme is described in detail.It is pointed out that described embodiment is only this hair Bright a part of embodiment, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art are not having There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of protection of the invention.
First, it refer to shown in Fig. 1 to Fig. 4, that show the concrete structure of the preferred embodiments of the invention, the miaow head Automatic separation equipment includes two large divisions, is respectively:Mechanical part and electric part.The mechanical part includes the He of organic frame 90 It is arranged at mechanical feed system 10, the Mechanical sorting systems 30 of mechanical test system 20 and human machine interface operation system in frame 90 80;The electric part includes detection module 50, AD acquisition modules 60 and PLC operation control modules 70.
Wherein, the mechanical feed system 10 is used for the mechanical test that miaow head seriatim send into after upset queuing to postorder In system 20.Mechanical feed system 10 includes vibrating disk 11 and straight-line oscillation device 12, and the output end of vibrating disk 11 is connected to The input of straight-line oscillation device 12, the output end of straight-line oscillation device 12 is connected to the feed zone 261 of following indexing rotary tables 21. Because the miaow head profile of different model is different, therefore the design department of vibrating disk 11 can be corresponding according to its profile or center of gravity difference Adjustment and change.Mechanical feed system 10 also includes suction nozzle and left and right cylinder, and suction nozzle system is installed in left and right cylinder.
The mechanical test system 20 includes indexing rotary table 21, test probe 22 and given sound source 23, point of the present embodiment The round turntable that rotating disk 21 is 360 degree of quarterings is spent, the rotation system of indexing rotary table 21 is controlled by stepper motor 25, indexing rotary table The locating slot being provided with 21 in circumferentially distributed multiple locating slots for being used to store and drive miaow head to rotate, the present embodiment be in The short slot of the lateral upper shed of indexing rotary table.Feed zone 261, material waiting section are disposed with by the rotation direction of the indexing rotary table 21 262nd, test section 263 and discharge zone 264, the output end of aforesaid rectilinear vibrating device 12 connect the feed zone 261, and miaow head is admitted to After the feed zone, under the induced effect of the locating slot on indexing rotary table 21, miaow head is delivered to feed zone 261, waits to expect successively Area 262, test section 263 and discharge zone 264.
The test probe 22 and given sound source 23 are set relative to the test section 263.Wherein, the test probe 22 is mounted It is located in one on the upper and lower air cylinders 27 of the foregoing top of indexing rotary table 21, the lifting for testing probe 22 is realized by cylinder.Test probe 22 lower end is used to stretch into the polarity contact that miaow head is pricked in test section 263, and the other end of test probe 22 connects the detection Module 50.
The given sound source 23 is used for the miaow hair sound in test section 263, miaow head is exported 70HZ/1KHZ/5KHZ electric currents Signal is delivered to detection module 50 by testing probe 22.
The output end of the detection module 50 is connected to AD acquisition modules 60, for by voltage or current signal carry out frequency-selecting, Exported after amplification, integration to AD acquisition modules 60.
The output end of the AD acquisition modules 60 connects the PLC operation control modules 70, for by the voltage collected or electricity Streaming digital signal is transferred to PLC operation control modules 70.
The PLC operation control modules 70 have high-speed computation comparison and control function, on the one hand for AD acquisition modules 60 data gathered carry out computing and compare and analyze product performance, draw accurate 70HZ/1KHZ/5KHZ sensitivity Value (DB) and current value (uA) are transferred to man-machine interface 80 and shown;Another aspect PLC operation control modules 70 are connected to foregoing machine Tool feed system 10, mechanical test system 20 and Mechanical sorting systems 30, are additionally operable to the feeding of control machinery feed system 10, divide Each mechanical actions such as rotation, movement, the sub-material of Mechanical sorting systems 30 of test probe 22 of rotating disk 21 are spent, and it is corresponding also right The action of complete machine platform carries out sequence control.
The Mechanical sorting systems 30 include material separating disc 31, material toggling first 32 and rewinding box 33, and material separating disc 31 is located at foregoing point Spend and ten blanking holes 311 are provided with the material separating disc 31 in the underface of rotating disk 21, the present embodiment, material separating disc 31 and point of top Connected between degree rotating disk 21 by a tremie pipe 34.The upper end of tremie pipe 34 is connected to the discharge zone 264 of indexing rotary table 21, blanking The lower end of pipe 34 is installed in material toggling first 32, and the material toggling first 32 is arranged on material separating disc 31, and first 32 of the material toggling is by blanking electricity Machine 36, which drives, to be rotated, and ten blanking holes 311 are circumferentially distributed around the rotating shaft of the material toggling first 32.By PLC operation control modules 70, which send instruction control blanking motor 36, drives material toggling first 32 to rotate, and the miaow head of corresponding product characteristic is dialled in into corresponding blanking In hole 311.
The rewinding box is located at the lower section of the material separating disc, and the present embodiment is provided with ten rewinding boxes altogether according to the difference of product performance 33, be respectively standby box 1., non-defective unit box 2., non-defective unit box 3., non-defective unit box 4., non-defective unit box 5., non-defective unit box 6., non-defective unit box 7., high frequency Gas leakage box 8., high current box 9. with defective products box 10., these rewinding boxes are connected to foregoing point by respective sub-feed tube 35 respectively Ten blanking holes 311 of charging tray 31.It is special that the miaow head fallen into the blanking hole 311 falls into corresponding product by respective sub-feed tube 35 In the rewinding box 33 of property, by and realize the sorting function of miaow head.
The human machine interface operation system 80 includes shift knob 81 and touch-screen 82, and shift knob 81 is used for opening for power supply Close and the startup of board stops control, touch-screen 82 is then used to join inside the manipulation of manual activity, the display of product parameters and PLC Several change etc..With easy to use, safe, man-machine touch-control it is simple the features such as, so as to solve the problem of board manipulation is cumbersome, Its picture very coloured silk shows simultaneously, and parameter information is very clear, and great hommization.
Next, it is as follows that the operation principle of the present embodiment, application method or the course of work are described in detail:
In use, sending instruction by the PLC operation control modules 70 first, make the vibrating disk in mechanical feed system 10 11st, straight-line oscillation device 12 carries out feeding from trend mechanical test system 20, treats that a miaow head is sent into by straight-line oscillation device 12 and divides After the feed zone 261 for spending rotating disk 21, the indexing rotary table 21 is driven by stepper motor 25 and is rotated by 90 °, and feeds again, by that analogy Respectively through material waiting section 262, test section 263 and discharge zone 264.When miaow head is ported to test section 263, on upper and lower air cylinders 27 Cylinder start to make power do work, test probe 22 decline pricks on the polarity contact of miaow head.
Then start test, sounding debugging is carried out by given sound source 23, test probe 22 is exported 70HZ/1KHZ/5KHZ With current signal to detection module 50, and signal acquisition is transferred to by PLC operation control modules 70 by AD acquisition modules 60 entered Row digital logical operation, product performance is analyzed according to the dB values and current value of test.According to the product performance, PLC computing controls Molding block 70 drives blanking motor 36, material separating disc 31 and material toggling first 32 that miaow head is sorted into corresponding rewinding box 33 again, completes One test period.
As shown in figure 5, the given sound source 23 includes the first single-chip microcomputer (AT89C2051), the first single-chip microcomputer output connects Connect 70HZ amplitude potentiometers, the output end connection 70HZ frequency-selecting modules of 70HZ amplitude potentiometers, the output end of 70HZ frequency-selecting modules 70HZ calibration modules are connected, the output end connection power driver module of 70HZ calibration modules, first single-chip microcomputer is used to send 70HZ fixation square wave frequency, feeding 70HZ frequency-selectings module is carried out after the high low pass amplification of frequency-selecting after being controlled through 70HZ amplitudes potentiometer Sine wave signal is converted to by the calibration of 70HZ calibration modules deliver to power driver module again;
First single-chip microcomputer output is also connected with 1KHZ amplitude potentiometers, the output end connection 1KHZ choosings of 1KHZ amplitude potentiometers Frequency module, the output end connection 1KHZ calibration modules of 1KHZ frequency-selecting modules, the output end connection power drive of 1KHZ calibration modules Module, first single-chip microcomputer is additionally operable to send 1KHZ fixation square wave frequency, and 1KHZ is sent into after being controlled through 1KHZ amplitudes potentiometer Sine wave signal, which is converted to, after the high low pass amplification of frequency-selecting module progress frequency-selecting by the calibration of 1KHZ calibration modules again delivers to power drive Dynamic model block;
The given sound source 23 also includes second singlechip (AT89C2051), second singlechip output end connection 5KHZ width Spend potentiometer, the output end connection 5KHZ frequency-selecting modules of 5KHZ amplitude potentiometers, the output end connection 5KHZ of 5KHZ frequency-selecting modules Calibration module, the output end connection power driver module of 5KHZ calibration modules, second singlechip is used for the fixation for sending 5KHZ Square wave frequency, feeding 5KHZ frequency-selectings module passes through 5KHZ again after carrying out the high low pass amplification of frequency-selecting after being controlled through 5KHZ amplitudes potentiometer Calibration module calibration is converted to sine wave signal and delivers to power driver module;
The output end connection loudspeaker of the power driver module, sound is sent for drive the speaker.
After tested miaow head senses three kinds of frequency acoustics, the sound is converted into micro voltage signal, is transported to Next stage detection module.
As shown in fig. 6, the detection module 50 includes current signal collecting unit, the current signal buffering list being sequentially connected Member, single-chip I/O mouth, in addition to electronics needle exchange component, electronics needle exchange module, the electronic switch unit being sequentially connected, due to tested When miaow head reaches indexing rotary table by vibrating disk, straight line shaking device, although electrode direction is upward, but the position of two electrodes It is chaotic, is tested the current signal of miaow head by passing through single-chip microcomputer after current signal collecting unit, current signal buffer cell I/O port is sent to PLC operation control modules, and PLC operation control modules recognize whether the electric current is identical with factory set electric current, if any Error then provides the instruction of electronics needle exchange, and control electronics needle exchange component carries out electronics needle exchange to tested miaow head, until electric current reaches just Really it is worth;
The detection module also includes national standard 94DB standard blocks, the output end connection standard prime of national standard 94DB standard blocks Unit, the output end connection electronic switch unit of standard prime unit, national standard 94DB standard blocks sense given sound source three After the frequency acoustic signal of road, amplify by standard prime unit, electronic switch unit is sent into, and after correct electronics needle exchange Tested miaow head is compared under the comparison parameter that producer gives, and when error amount exceedes factory settings value, equipment will be stopped And alarm staff;
The output end of the electronic switch unit connects public amplifying unit, and the output end of public amplifying unit is connected respectively 70HZ frequency dividings integration module, 1KHZ frequency dividings integration module, 5KHZ frequency dividing integration modules, the output end of 70HZ frequency dividing integration modules connect Connect 70HZ amplitude buffer cells, the output end connection 70HZ/AD output modules of 70HZ amplitude buffer cells, 1KHZ frequency dividing integration moulds The output end connection 1KHZ amplitude buffer cells of block, the output end connection 1KHZ/AD output modules of 1KHZ amplitude buffer cells, The output end connection 5KHZ amplitude buffer cells of 5KHZ frequency dividing integration modules, the output end connection of 5KHZ amplitude buffer cells 5KHZ/AD output modules, single-chip I/O mouth connect respectively the output end of 70HZ/AD output modules, 1KHZ/AD output modules it is defeated Go out end, the output end of 5KHZ/AD output modules;
After tested miaow head is compared with national standard 94DB standard blocks, the public amplifying unit of voltage signal feeding carries out voltage and put Greatly, the DB values that miaow head possesses certain amplitude after prior process and voltage amplification are tested, the DB values of the amplitude are respectively enterd 70HZ/1KHZ/5KHZ frequency dividing integration modules carry out frequency stabilization correcting process, then single by three road 70HZ/1KHZ/5KHZ amplitudes bufferings Parameter request needed for member is converted into AD acquisition modules is exported by 70HZ/1KHZ/5KHZ/AD output modules respectively.
The road signals of 70HZ/1KHZ/5KHZ tri- enter 70HZ/1KHZ/5KHZ/AD after amplitude buffer cell and export mould After block processing, the measurement is sent directly into single-chip I/O mouth, PLC operation control modules send the result by PORT COM USB To touch-screen, the DB data of tested miaow head are finally shown on the touchscreen, and in the automatic stepping of software support.Single miaow head is surveyed The automatic measurement time is measured less than 2 seconds.
The current signal of tested miaow head is by sending into single-chip microcomputer IO after current signal collecting unit, current signal buffer cell Mouthful, same mode is shown on the touchscreen.
Above is the measurement process of single miaow head, under the support of software, into automatic measurement pattern.
As shown in fig. 7, the PLC operation control modules 70 include single-chip microcomputer primary module (C8051F120), single-chip microcomputer main mould Block is connected respectively to material detection module, blanking and seeks a module, measurement failure alarm module, measurement upper and lower air cylinders buffer module, suction Blowing left and right cylinder module, electronics needle exchange unit, blanking motor pulses module, communication module for reading and writing (CH372B), Large Copacity are deposited Store up module (FM18L08 256G), the output end connection electronics needle exchange output module of electronics needle exchange unit;
This reaches test section to material detection module for identification to whether there is miaow head, if in test section, do not given to material detection module Go out a low level signal to pass back in single-chip microcomputer primary module, single-chip microcomputer primary module sends vibrating disk and straight line shaking device while opening Dynamic signal, until tested miaow head stops vibrations when reaching test section, is otherwise opened, when miaow head reaches test section, to material inspection Survey module and issue instructions to single-chip microcomputer primary module, single-chip microcomputer primary module issues instructions to measurement upper and lower air cylinders buffer module, the survey Amount upper and lower air cylinders buffer module fulfils upper and lower air cylinders and drives test probe to move down task, and single-chip microcomputer primary module receives measurement result Afterwards, send instruction make measurement upper and lower air cylinders buffer module fulfil upper and lower air cylinders drive test probe move up task, while providing suction Blowing left and right cylinder module instruction, the suction blowing left and right cylinder module fulfils left and right cylinder and drives suction nozzle suction task, sends out simultaneously Go out blanking motor pulses signal to blanking motor pulses module, the blanking motor pulses module starts blanking motor, provided simultaneously Blanking seeks bit instruction to blanking and seeks a module, makes blanking motor drive material toggling head to rotate and sets the miaow head being measured by factory Fixed data are lost in corresponding rewinding box;
Single-chip microcomputer primary module is additionally operable to recognize whether the current signal of tested miaow head is identical with factory set electric current, such as wrong It is poor then provide electronics needle exchange and instruct to electronics needle exchange unit, pass through electronics needle exchange output module and convey electronics needle exchange and instruct, control Electronics needle exchange component carries out electronics needle exchange to tested miaow head, until electric current reaches right value;
Single-chip microcomputer primary module, which is additionally operable to send into measurement result in high-capacity storage module, carries out provisional storage, so as to factory Measurement result is consulted at any time, while the data storage is connected by communication module for reading and writing after caching by USB with touch-screen, display Measurement result;
Single-chip microcomputer primary module is additionally operable to send warning reminding work people by measuring failure alarm module when measuring failure Member.
In summary, the present invention mainly carries out rotatably accurate charging and discharging control to miaow head using indexing rotary table, And binding test probe, given sound source to carry out performance test to miaow head, to obtain the properties of product information of miaow head, and utilize Detection module, AD acquisition modules and PLC operation control modules to carry out these information automatic decision, processing and analysis, and then The product performance of each miaow head is drawn, recycles Mechanical sorting systems to be sorted according to its product performance, so as to realize miaow head Automatic testing, sorting function.Its whole test process is automatically brought into operation using full intellectualized, can be prevented effectively from human factor band That comes is bad, not only with splendid test accuracy, and testing, sorting speed is fast, efficiency high, and whole single miaow head is automatic Assorting room is less than 2 seconds, saves production cost, reduces factory general expenses, reduce recruitment cost of investment.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of miaow head automatic separation equipment, it is characterised in that including mechanical part and electric part, the mechanical part includes Mechanical feed system, mechanical test system and Mechanical sorting systems;The electric part include detection module, AD acquisition modules and PLC operation control modules;Wherein
The mechanical test system include be provided with indexing rotary table, test probe and given sound source, indexing rotary table it is circumferentially distributed It is multiple be used for store and drive miaow head rotate locating slots, mechanical test system by the indexing rotary table rotation direction at least according to It is secondary to be provided with a feed zone, a test section and a discharge zone;The output end of aforementioned mechanical feed system connects the feed zone, the survey Pin and given sound source is soundd out to set with respect to the test section;One end of test probe is used to stretch into test section the polarity for pricking miaow head On contact, the other end of test probe connects the detection module;Given sound source is used to export the tunnel frequencies of 70HZ/1KHZ/5KHZ tri- Sound makes voltage or current signal that miaow head is exported be delivered to detection mould by testing probe the miaow hair sound in test section Block;
The output end of the detection module is connected to AD acquisition modules, for voltage or current signal to be carried out into frequency-selecting, amplification, integration After export and give AD acquisition modules;The output end of AD acquisition modules is connected to PLC operation control modules, the PLC operation control modules Data for being gathered to AD acquisition modules carry out computing, and analyze the product performance of each miaow head;
The inputs of the Mechanical sorting systems connects the discharge zone of foregoing indexing rotary table, Mechanical sorting systems include according to miaow head it The rewinding box that product performance is set.
2. miaow head automatic separation equipment according to claim 1, it is characterised in that the given sound source includes the first monolithic Machine, the first single-chip microcomputer output connection 70HZ amplitude potentiometers, the output end connection 70HZ frequency-selecting modules of 70HZ amplitude potentiometers, The output end connection 70HZ calibration modules of 70HZ frequency-selecting modules, the output end connection power driver module of 70HZ calibration modules, should First single-chip microcomputer is used for the fixation square wave frequency for sending 70HZ, and feeding 70HZ frequency-selecting modules are entered after being controlled through 70HZ amplitudes potentiometer Sine wave signal, which is converted to, after the high low pass amplification of row frequency-selecting by the calibration of 70HZ calibration modules again delivers to power driver module;
First single-chip microcomputer output is also connected with 1KHZ amplitude potentiometers, the output end connection 1KHZ frequency-selecting moulds of 1KHZ amplitude potentiometers Block, the output end connection 1KHZ calibration modules of 1KHZ frequency-selecting modules, the output end connection power driver module of 1KHZ calibration modules, First single-chip microcomputer is additionally operable to send 1KHZ fixation square wave frequency, and 1KHZ frequency-selecting moulds are sent into after being controlled through 1KHZ amplitudes potentiometer Sine wave signal, which is converted to, after the high low pass amplification of block progress frequency-selecting by the calibration of 1KHZ calibration modules again delivers to power driver module;
The given sound source also includes second singlechip, second singlechip output end connection 5KHZ amplitude potentiometers, 5KHZ amplitudes The output end connection 5KHZ frequency-selecting modules of potentiometer, the output end connection 5KHZ calibration modules of 5KHZ frequency-selecting modules, 5KHZ calibrations The output end connection power driver module of module, the second singlechip is used for the fixation square wave frequency for sending 5KHZ, through 5KHZ width Feeding 5KHZ frequency-selectings module after potentiometer control is spent to carry out after the high low pass amplification of frequency-selecting again by the calibration conversion of 5KHZ calibration modules Power driver module is delivered to for sine wave signal;
The output end connection loudspeaker of the power driver module, sound is sent for drive the speaker.
3. miaow head automatic separation equipment according to claim 2, it is characterised in that the detection module includes being sequentially connected Current signal collecting unit, current signal buffer cell, single-chip I/O mouth, in addition to be sequentially connected electronics needle exchange component, Electronics needle exchange module, electronic switch unit, the current signal for being tested miaow head are buffered by current signal collecting unit, current signal PLC operation control modules are sent to by single-chip I/O mouth after unit, PLC operation control modules recognize whether the electric current sets with factory Determine electric current identical, the instruction of electronics needle exchange then provided if any error, control electronics needle exchange component carries out electronics needle exchange to tested miaow head, Until electric current reaches right value;
The detection module also includes national standard 94DB standard blocks, the output end connection standard prime list of national standard 94DB standard blocks Member, the output end connection electronic switch unit of standard prime unit, national standard 94DB standard blocks sense the given tunnel of sound source three After frequency acoustic signal, amplify by standard prime unit, electronic switch unit is sent into, with the quilt after correct electronics needle exchange Survey miaow head to be compared under the comparison parameter that producer gives, when error amount exceedes factory settings value, equipment will be stopped simultaneously Alarm staff;
The output end of the electronic switch unit connects public amplifying unit, and the output end of public amplifying unit connects 70HZ points respectively Frequency integration module, 1KHZ frequency dividings integration module, 5KHZ frequency dividing integration modules, the output end connection 70HZ of 70HZ frequency dividing integration modules Amplitude buffer cell, the output end connection 70HZ/AD output modules of 70HZ amplitude buffer cells, 1KHZ divides the defeated of integration module Go out end connection 1KHZ amplitude buffer cells, the output end connection 1KHZ/AD output modules of 1KHZ amplitude buffer cells, 5KHZ frequency dividings The output end connection 5KHZ amplitude buffer cells of integration module, the output end connection 5KHZ/AD outputs of 5KHZ amplitude buffer cells Module, single-chip I/O mouth connects the output end of 70HZ/AD output modules, the output end of 1KHZ/AD output modules, 5KHZ/ respectively The output end of AD output modules;
After tested miaow head is compared with national standard 94DB standard blocks, voltage signal sends into public amplifying unit and carries out voltage amplification, quilt The DB values that miaow head possesses certain amplitude after prior process and voltage amplification are surveyed, the DB values of the amplitude respectively enter 70HZ/ 1KHZ/5KHZ frequency dividing integration modules carry out frequency stabilization correcting process, then turn by three road 70HZ/1KHZ/5KHZ amplitudes buffer cells Parameter request needed for changing AD acquisition modules into is exported by 70HZ/1KHZ/5KHZ/AD output modules respectively.
4. miaow head automatic separation equipment according to claim 3, it is characterised in that the indexing rotary table is 360 degree of fourth class Material waiting section is further provided between feed zone and test section on the round turntable divided, indexing rotary table;
The locating slot is in the short slot of the lateral upper shed of indexing rotary table;
The test probe system is installed on upper and lower air cylinders.
5. miaow head automatic separation equipment according to claim 4, it is characterised in that the rotation system of the indexing rotary table passes through One step motor control.
6. miaow head automatic separation equipment according to claim 5, it is characterised in that the mechanical part further comprises having One human machine interface operation system, the human machine interface operation system includes shift knob and touch-screen.
7. miaow head automatic separation equipment according to claim 6, it is characterised in that the mechanical feed system, which includes, shakes Moving plate and straight-line oscillation device, the output end of vibrating disk are connected to the input of straight-line oscillation device, straight-line oscillation device it is defeated Go out the feed zone that end is connected to foregoing indexing rotary table;
The mechanical feed system also includes suction nozzle and left and right cylinder, and suction nozzle system is installed in left and right cylinder.
8. miaow head automatic separation equipment according to claim 7, it is characterised in that the PLC operation control modules connection In aforementioned mechanical feed system, mechanical test system, Mechanical sorting systems, feeding, indexing for control machinery feed system The rotation of rotating disk, the movement for testing probe.
9. miaow head automatic separation equipment according to claim 8, it is characterised in that the Mechanical sorting systems include point Charging tray and material toggling head, are connected between material separating disc and the indexing rotary table of top by a tremie pipe, and the upper end of tremie pipe is connected to point The discharge zone of rotating disk is spent, tremie pipe lower end is installed on material toggling head, and material toggling head is arranged on material separating disc, and material toggling head is by once Material motor, which drives, to be rotated;Multiple blanking holes are provided with material separating disc, the plurality of blanking hole is circumferential around the rotating shaft of material toggling head Distribution, each blanking hole is connected by the rewinding box of a sub-feed tube and lower section respectively.
10. miaow head automatic separation equipment according to claim 9, it is characterised in that the PLC operation control modules include Single-chip microcomputer primary module, single-chip microcomputer primary module be connected respectively to material detection module, blanking seek a module, measurement failure alarm module, Measure upper and lower air cylinders buffer module, inhale blowing left and right cylinder module, electronics needle exchange unit, blanking motor pulses module, communication reading Writing module, high-capacity storage module, the output end connection electronics needle exchange output module of electronics needle exchange unit;
Should to material detection module be used for identification whether there is miaow head reach test section, when miaow head arrival test section when, to expect detection module Single-chip microcomputer primary module is issued instructions to, single-chip microcomputer primary module is issued instructions to above and below measurement upper and lower air cylinders buffer module, the measurement Cylinder buffering module fulfils upper and lower air cylinders and drives test probe to move down task, and single-chip microcomputer primary module is received after measurement result, hair Go out instruction and make measurement upper and lower air cylinders buffer module fulfil upper and lower air cylinders to drive test probe to move up task, while it is left to provide suction blowing Right cylinder module instruction, the suction blowing left and right cylinder module fulfils left and right cylinder and drives suction nozzle suction task, is simultaneously emitted by blanking Motor pulses signal to blanking motor pulses module, blanking motor pulses module starts blanking motor, sought while providing blanking A module is sought in bit instruction to blanking, the number for making blanking motor drive the miaow head that material toggling head rotation will be measured by factory set According to losing in corresponding rewinding box;
Single-chip microcomputer primary module is additionally operable to recognize whether the current signal of tested miaow head is identical with factory set electric current, if any error then Provide electronics needle exchange to instruct to electronics needle exchange unit, conveying electronics needle exchange by electronics needle exchange output module instructs, and controls electronics Needle exchange component carries out electronics needle exchange to tested miaow head, until electric current reaches right value;
Single-chip microcomputer primary module, which is additionally operable to send into measurement result in high-capacity storage module, carries out provisional storage, so as to factory at any time Measurement result is consulted, while the data storage is connected by communication module for reading and writing after caching by USB with touch-screen, display measurement As a result;
Single-chip microcomputer primary module is additionally operable to send warning reminding staff by measuring failure alarm module when measuring failure.
CN201710239314.0A 2017-04-13 2017-04-13 Miaow head automatic separation equipment Pending CN107071642A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201710239314.0A CN107071642A (en) 2017-04-13 2017-04-13 Miaow head automatic separation equipment

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Application Number Title Priority Date Filing Date
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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111069086A (en) * 2019-12-30 2020-04-28 苏州协同创新智能制造装备有限公司 Injection molding piece detection and material receiving method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111069086A (en) * 2019-12-30 2020-04-28 苏州协同创新智能制造装备有限公司 Injection molding piece detection and material receiving method

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