CN203972335U - A kind of rotating disc type microphone concurrent testing screening installation - Google Patents

A kind of rotating disc type microphone concurrent testing screening installation Download PDF

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Publication number
CN203972335U
CN203972335U CN201420394681.XU CN201420394681U CN203972335U CN 203972335 U CN203972335 U CN 203972335U CN 201420394681 U CN201420394681 U CN 201420394681U CN 203972335 U CN203972335 U CN 203972335U
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CN
China
Prior art keywords
microphone
testing
module
disc type
frame
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Expired - Fee Related
Application number
CN201420394681.XU
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Chinese (zh)
Inventor
陈立国
李光辉
刘吉柱
卞雄恒
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Suzhou Di Na Precision Equipment Co Ltd
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Suzhou Di Na Precision Equipment Co Ltd
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Priority to CN201420394681.XU priority Critical patent/CN203972335U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of rotating disc type microphone concurrent testing screening installation, comprise frame, and being arranged on turntable module, feeding module, vision-based detection module, test module, blanking sorting module and the controller in frame, controller is arranged on the inside of frame.This rotating disc type microphone concurrent testing screening installation is for the demand of current microphone test technology, adopt rotating-disk testing device structure, material loading and vision-based detection, test, blanking sorting work are distributed in to rotating disk different station, and each station parallel work-flow, has improved testing efficiency greatly.Two testing needle groups have been designed simultaneously, microphone not demanding party's bit correction can be realized test, can avoid the damage of microphone when reducing flow chart, further improves testing efficiency, owing to there being the sufficient microphone still image processing time, can improve measuring accuracy in addition.

Description

A kind of rotating disc type microphone concurrent testing screening installation
Technical field
The utility model relates to acoustic product technical field of measurement and test, is specifically related to a kind of rotating disc type microphone concurrent testing screening installation.
Background technology
At present, the uniformity of MEMS microphone more than four times, is applied so MEMS microphone is particularly suitable for the microphone array of high performance-price ratio than the high conformity of electric capacitor microphone.The electroacoustical measurement of micro-microphone, through years development, has generally adopted computer based technology to test.Current testing software comparative maturity, but supporting automated test device does not also have ripe product.Realize high efficiency, many kinds, MEMS microphone rear end production cheaply, the process equipment of survey eventually of the MEMS microphone of research and development Modular Flexible, will contribute to promote the process of MEMS microphone industrialization, drives related industry to develop.
The feature of MEMS microphone is that volume is small, output is large, very high to the positioning accuracy request of test probe in test process, so testing efficiency is also the problem that industrialization must solve.After MEMS microphone package, the position of testing weld pad is asymmetric position, therefore before test, also needs device to carry out the correction in orientation.Current testing equipment adopts flying-vision technology to carry out image capture and processing conventionally in capturing moving device process, then by rotary manipulation hand, realizes device directional correction, high to vision system requirement, is difficult to guarantee precision.On the other hand, generally adopting at present a plurality of vacuum cups to realize microphone picks up, puts.Microphone is sequence delivery under a plurality of vacuum cups, comprises a plurality of steps such as microphone material loading, vision-based detection, test, blanking, and because transmittance process order is carried out, production efficiency is low.
Utility model content
For solving the problems of the technologies described above, we have proposed a kind of rotating disc type microphone concurrent testing screening installation, its object: the actions such as microphone material loading, vision-based detection, test, blanking that walked abreast, the testing efficiency of raising microphone.
For achieving the above object, the technical solution of the utility model is as follows:
A rotating disc type microphone concurrent testing screening installation, comprises frame, and is arranged on turntable module, feeding module, vision-based detection module, test module, blanking sorting module and controller in frame, and controller is arranged on the inside of frame;
Turntable module comprises rotating disk and is arranged on the index table of rotating disk below, is provided with microphone fixture on rotating disk;
Feeding module involving vibrations dish, single microphone rack and feeding manipulator, single microphone rack and feeding manipulator are all arranged on the panel of frame by base, between vibrating disk and single microphone rack, by track, join;
Vision-based detection module and feeding module are positioned at the same angular position of rotating disk, vision-based detection module is arranged on the below of rotating disk, by bearing, be arranged on the panel of frame, vision-based detection module includes annular light source, microscope and industrial CCD camera from top to bottom successively;
Test module comprises acoustical testing device and probe tester, acoustical testing device is positioned at the below of rotating disk, and be arranged on the panel of frame, probe tester and acoustical testing device are positioned at the same angular position of rotating disk, and be positioned at acoustical testing device outside, probe tester comprises base, is arranged on the horizontal Pneumatic slid platform on base and is set up in parallel two vertical Pneumatic slid platforms on horizontal Pneumatic slid platform, on two vertical Pneumatic slid platforms, by testing needle group mount pad, is respectively arranged with the first testing needle group and the second testing needle group;
Blanking sorting module comprises rewinding box assembly and rewinding mechanical arm assembly, and described rewinding box assembly comprises electric cylinder and the material pipe being arranged on framework panel, and material pipe has three at least, by material pipe support, is arranged on electric cylinder.
Preferably, microphone fixture has eight at least, and is four integral multiple, along rotating disk circumference uniform distribution, distributes.
Preferably, rotating disk 0 degree, 90 degree and 270 in the counterclockwise direction that lay respectively at of feeding module and vision-based detection module, test module, blanking sorting module are spent positions.
Preferably, on described single microphone rack, be provided with the miniature level sensor that detects.
Preferably, described feeding manipulator comprises the vertical cylinder being arranged on base, is arranged on the horizontal air cylinder on vertical cylinder top, and the vacuum suction hand being connected with horizontal air cylinder.
Preferably, be provided with chute on bearing, industrial CCD camera is movably arranged in chute, and locks by baffle plate.
Preferably, the first testing needle group and the second testing needle group include four testing needles, respectively with controller on positive source, power cathode, signal input part, signal output part join, input, the outlet terminal of the input of the first testing needle group, outlet terminal and the second testing needle group are contrary.
Preferably, rewinding manipulator modular construction is identical with feeding manipulator structure.
Preferably, in frame, be provided with display and keyboard and mouse.
Preferably, on the panel of frame, be provided with button control box.
The beneficial effects of the utility model: this rotating disc type microphone concurrent testing screening installation is for the demand of current microphone test technology, adopt rotating-disk testing device structure, material loading and vision-based detection, test, blanking sorting work are distributed in to the different station of rotating disk, each station parallel work-flow, has improved testing efficiency greatly.Two testing needle groups have been designed simultaneously, microphone not demanding party's bit correction can be realized test, can avoid the damage of microphone when reducing flow chart, further improves testing efficiency, owing to there being the sufficient microphone still image processing time, can improve measuring accuracy in addition.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of rotating disc type microphone of the utility model concurrent testing screening installation structural representation;
Fig. 2 is a kind of rotating disc type microphone of the utility model concurrent testing screening installation structural configuration schematic diagram;
Fig. 3 is a kind of rotating disc type microphone of the utility model concurrent testing screening installation turntable modular structure schematic diagram;
Fig. 4 is feeding module structural representation in a kind of rotating disc type microphone of the utility model concurrent testing screening installation;
Fig. 5 is the local enlarged diagram in A place in Fig. 4;
Fig. 6 is single microphone rack and feeding manipulator structural representation in a kind of rotating disc type microphone of the utility model concurrent testing screening installation;
Fig. 7 is that in a kind of rotating disc type microphone of the utility model concurrent testing screening installation, vision-based detection module position is placed schematic diagram;
Fig. 8 is vision-based detection modular structure schematic diagram in a kind of rotating disc type microphone of the utility model concurrent testing screening installation;
Fig. 9 is acoustical testing assembling structure schematic diagram in a kind of rotating disc type microphone of the utility model concurrent testing screening installation;
Figure 10 is a kind of rotating disc type microphone of the utility model concurrent testing screening installation middle probe testing arrangement structural representation;
Figure 11 is rewinding box assembly structural representation in a kind of rotating disc type microphone of the utility model concurrent testing screening installation.
Numeral and the represented corresponding component title of letter in figure:
1 stand 2 21 22 indexing turntable turntable turntable module 23 microphone clamp 3 feeding module 31 vibration plate 32 single microphone placing frame 33 feeding manipulator 331 vertical cylinders 332 horizontal cylinder 333 vacuum adsorption hand 334 arm 34 base 35 track 36 miniature detection in place sensor 4 visual detection module 41 support 42 ring light source 43 microscope 44 industrial CCD camera 45 baffle 5 test module 51 acoustic test device 52 probe testing device of 521 base 522 horizontal pneumatic sliding table 523 vertical pneumatic sliding table 524 test needle group mount 525 first test needle group of 526 second test needle group of 6 material sorting module 61 material receiving box assembly 611 electric cylinder 612 material 613 feed pipe frame 62 receiving manipulator assembly 7 display 8 keyboard and mouse 9 button control box
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Below in conjunction with schematic diagram, the specific embodiment of the present utility model is described in further detail.
A kind of rotating disc type microphone concurrent testing screening installation as depicted in figs. 1 and 2, comprise frame 1, and being arranged on turntable module 2, feeding module 3, vision-based detection module 4, test module 5, blanking sorting module 6 and the controller in frame 1, controller is arranged on the inside of frame 1.
As shown in Figure 3, turntable module 2 comprises rotating disk 21 and index table 22, and rotating disk 21 is movably arranged on the top of index table 22, and under the effect of index table 22, rotating disk 21 can clockwise or be rotated counterclockwise certain angle.On rotating disk 21, be provided with three stations, three the counterclockwise interval of station 90 degree arrange.On rotating disk 21, be provided with microphone fixture 23, microphone fixture 23 has eight at least, and is four integral multiple, to guarantee that the position of each station is provided with microphone fixture 23 after rotating disk 21 90-degree rotations, guarantees the parallel work-flow of this testing equipment.
Feeding module 3 is positioned at 0 degree position of rotating disk, as shown in Figure 4, Figure 5 and Figure 6, and feeding module 3 involving vibrations dishes 31, single microphone rack 32 and feeding manipulator 33.It is inner also through the panel of frame 1 that vibrating disk 31 is arranged on frame 1, and single microphone rack 32 and feeding manipulator 33 are all arranged on the panel of frame 1 by base 34.The delivery outlet of vibrating disk 31 leads to single microphone rack 32 by track 35.Feeding manipulator 33 comprises the vertical cylinder 331 being arranged on base 34, be arranged on horizontal air cylinder 332 and the vacuum suction hand 333 on vertical cylinder 331 tops, vacuum suction hand 333 is arranged on the top board of horizontal air cylinder 332 by support arm 334, makes vacuum suction hand 333 in or beyond rotating disk 2, move and move up and down under the effect of vertical cylinder 331 under the effect of horizontal air cylinder 332.
The course of work of feeding module is: first in vibrating disk 31 bottoms, place a plurality of microphones of test use, vibrating disk 31 is started working, under the effect of vibrating disk, make microphone along the helical orbit of vibrating disk 31 inside, increase gradually, in the spiralling process of microphone, capable of regulating microphone position makes microphone have four end face order arrangements upward that detect hole simultaneously, when microphone is transported to the exit position of vibrating disk 31, microphone enters on single microphone rack 32 by track 35, on single microphone rack 32, be provided with the miniature level sensor 36 that detects, whether can detect microphone is in place, the signal number that microphone is in place detected, feeding manipulator action, vacuum suction hand 333 grabs microphone fixture 23 positions rotating disk 2 by microphone from single microphone rack 32 by level and vertical motion, this is first station of rotating disk 21.
As shown in Figure 7 and Figure 8, vision-based detection module 4 and feeding module 3 are positioned at the same angular position of rotating disk 2, vision-based detection module 4 is arranged on the below of rotating disk 2, by bearing 41, be arranged on the panel of frame 1, vision-based detection module 4 includes annular light source 42 from top to bottom successively, microscope 43 and industrial CCD camera 44, on bearing 41, be provided with chute, industrial CCD camera 44 is movably arranged in chute, vision-based detection module 4 is when initial installation, need to adjust the installation site of industrial CCD camera in chute, thereby adjust industrial CCD camera 44 and be placed on the distance between the microphone in microphone fixture 23, length with adjusting focal length, assurance obtains image clearly, industrial CCD camera passes through baffle plate 45 locked positions after adjusting to the right place.Vision-based detection module 4 on which limit of microphone, thinks that follow-up test work provides foundation mainly for detection of the hole of expecting the microphone back side on rotating disk 21 (detecting the end face that place, hole end face is relative with four) on initial.
Test module 5 is positioned at rotating disk 2 90 degree positions in the counterclockwise direction, as shown in Figure 9 and Figure 10, test module 5 comprises acoustical testing device 51 and probe tester 52, acoustical testing device 51 is positioned at the below of rotating disk 2, and be arranged on the panel of frame 1, probe tester 52 and acoustical testing device 51 are positioned at the same angular position of rotating disk 2, and be positioned at the outside of acoustical testing device 51, probe tester 52 comprises base 521, be arranged on the horizontal Pneumatic slid platform 522 on base 521 and be set up in parallel two vertical Pneumatic slid platforms 523 on horizontal Pneumatic slid platform 522, on two vertical Pneumatic slid platforms 523, by testing needle group mount pad 524, be respectively arranged with the first testing needle group 525 and the second testing needle group 526, the first testing needle group 525 and the second testing needle group 526 include four testing needles, respectively with controller on positive source, power cathode, signal input part, signal output part joins, the input of the first testing needle group 525, the input of outlet terminal and the second testing needle group 526, outlet terminal is contrary.
The course of work of test module 5 is: complete after the operation of rotating disk 21 first stations, rotating disk 21 is rotated counterclockwise 90 degree, microphone is positioned at the second station place of rotating disk 21, probe tester 52 according to the hole of the vision-based detection module 4 microphone back side of surveying (detecting the end faces that place, hole end face is relative with four) on which limit of microphone, determine the first testing needle group 525 or the second testing needle group 526 action, when the hole at the microphone back side is positioned at the left side of microphone, the first testing needle group 525 moves to behind position suitable on rotating disk 21, the first testing needle group 525 presses down, four testing needles are inserted into respectively in four detection holes of microphone, acoustical testing device 51 starts, for carrying out acoustical testing, microphone provides sound source, complete the acoustical testing of microphone, and by output, test result is fed back in controller, otherwise, the second testing needle group 526 presses down, microphone is carried out to acoustical testing.
Blanking sorting module 6 is positioned at rotating disk 2 270 degree positions in the counterclockwise direction, blanking sorting module 6 comprises rewinding box assembly 61 and rewinding mechanical arm assembly 62, as shown in figure 11, rewinding box assembly 61 comprises electric cylinder 611 and the material pipe 612 being arranged on frame 1 panel, 612 at least three of material pipes, are arranged on electric cylinder 611 by material pipe support 613.Rewinding mechanical arm assembly 62 structures are all identical with feeding manipulator 33 structures and operation principle, do not repeat them here, under the effect of electric cylinder 611, material pipe support 613 can move relative to the panel of frame 1, to facilitate rewinding mechanical arm assembly that the microphone after test is put in material pipe 612, material pipe 612 is the microphone after test for categorised collection, according to the acoustical testing result of microphone by microphone categorised collection in material pipe 612, so that identification.
The course of work of blanking sorting module 6 is: microphone completes after acoustical testing, rotating disk 21 another mistake hour hands 90-degree rotations, the three station place of microphone in rotating disk 21, rewinding mechanical arm assembly 612 is managed the microphone categorised collection on rotating disk 21 in 612 to material according to acoustical testing result, in the process of rewinding mechanical arm assembly 612 gripping microphones, material pipe 612 can move under the effect of electric cylinder 611, to facilitate placement microphone.
This rotating disc type microphone concurrent testing screening installation adopts the structure of rotating disc type, material loading, test and blanking are distributed in to different stations, and each station can concurrent working, do not interfere with each other, can improve testing efficiency, in addition, microphone is after the first station material loading, owing to will waiting for that the microphone test of the second station finishes, therefore there is the still image that the sufficient time gathers microphone placement to carry out image processing, greatly reduce image recognition difficulty and improve certainty of measurement.On probe tester 52, designed two groups of test probes, according to the image recognition result of the first station, the action by Pneumatic slid platform in probe tester 52, realizes the selection of two groups of testing needle groups.This mode has been avoided an acquisition and processing difficult problem for visual pattern, and microphone need not rotate, and has avoided the damage to microphone.
In frame 1, be provided with display 7 and keyboard and mouse 8, for showing test results.On the panel of frame 1, be provided with button control box 9 simultaneously, on button box, be provided with power switch, detection, startup and the anxious button such as stop, to control the action of this rotating disc type microphone concurrent testing screening installation.
Be exactly more than a kind of structure and action effect of rotating disc type microphone concurrent testing screening installation, its advantage is: can Parallel Implementation material loading, test and blanking action, improve the testing efficiency of microphone, and in test process, microphone does not need rotation, can avoid the damage of microphone.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.

Claims (10)

1. a rotating disc type microphone concurrent testing screening installation, it is characterized in that, comprise frame (1), and being arranged on turntable module (2), feeding module (3), vision-based detection module (4), test module (5), blanking sorting module (6) and the controller in frame (1), controller is arranged on the inside of frame (1);
Turntable module (2) comprises rotating disk (21) and is arranged on the index table (22) of rotating disk below, is provided with microphone fixture (23) on rotating disk (21);
Feeding module (3) involving vibrations dish (31), single microphone rack (32) and feeding manipulator (33), single microphone rack (32) and feeding manipulator (33) are all arranged on the panel of frame (1) by base (34), between vibrating disk (31) and single microphone rack (32), by track (35), join;
Vision-based detection module (4) and feeding module (3) are positioned at the same angular position of rotating disk (2), vision-based detection module (4) is arranged on the below of rotating disk (2), by bearing (41), be arranged on the panel of frame (1), vision-based detection module (4) includes annular light source (42), microscope (43) and industrial CCD camera (44) from top to bottom successively;
Test module (5) comprises acoustical testing device (51) and probe tester (52), acoustical testing device (51) is positioned at the below of rotating disk (2), and be arranged on the panel of frame (1), probe tester (52) and acoustical testing device (51) are positioned at the same angular position of rotating disk (2), and be positioned at acoustical testing device (51) outside, probe tester (52) comprises base (521), be arranged on the horizontal Pneumatic slid platform (522) on base (521) and be set up in parallel two the vertical Pneumatic slid platforms (523) on horizontal Pneumatic slid platform (522), two vertical Pneumatic slid platforms (523) are upper is respectively arranged with the first testing needle group (525) and the second testing needle group (526) by testing needle group mount pad (524),
Blanking sorting module (6) comprises rewinding box assembly (61) and rewinding mechanical arm assembly (62), described rewinding box assembly (61) comprises electric cylinder (611) and the material pipe (612) being arranged on frame (1) panel, material pipe (612) has three at least, by material pipe support (613), is arranged on electric cylinder (611).
2. a kind of rotating disc type microphone concurrent testing screening installation according to claim 1, is characterized in that, microphone fixture (23) has eight at least, and is four integral multiple, along rotating disk (21) circumference uniform distribution, distributes.
3. a kind of rotating disc type microphone concurrent testing screening installation according to claim 1, it is characterized in that, feeding module (3) lays respectively at rotating disk (21) 0 degree, 90 degree and 270 degree positions in the counterclockwise direction with vision-based detection module (4), test module (5), blanking sorting module (6).
4. a kind of rotating disc type microphone concurrent testing screening installation according to claim 1, is characterized in that, is provided with the miniature level sensor (36) that detects on described single microphone rack (32).
5. a kind of rotating disc type microphone concurrent testing screening installation according to claim 1, it is characterized in that, described feeding manipulator (33) comprises the vertical cylinder (331) being arranged on base (34), be arranged on the horizontal air cylinder (332) on vertical cylinder (331) top, and the vacuum suction hand (333) being connected with horizontal air cylinder (332).
6. a kind of rotating disc type microphone concurrent testing screening installation according to claim 1, is characterized in that, bearing is provided with chute on (41), and industrial CCD camera (44) is movably arranged in chute, and by baffle plate (45) locking.
7. a kind of rotating disc type microphone concurrent testing screening installation according to claim 1, it is characterized in that, the first testing needle group (525) and the second testing needle group (526) include four testing needles, respectively with controller on positive source, power cathode, signal input part, signal output part join, input, the outlet terminal of the input of the first testing needle group (525), outlet terminal and the second testing needle group (526) are contrary.
8. a kind of rotating disc type microphone concurrent testing screening installation according to claim 1 or 5, is characterized in that, rewinding mechanical arm assembly (62) structure is identical with feeding manipulator (33) structure.
9. a kind of rotating disc type microphone concurrent testing screening installation according to claim 1, is characterized in that, is provided with display (7) and keyboard and mouse (8) in frame (1).
10. a kind of rotating disc type microphone concurrent testing screening installation according to claim 1, is characterized in that, is provided with button control box (9) on the panel of frame (1).
CN201420394681.XU 2014-07-16 2014-07-16 A kind of rotating disc type microphone concurrent testing screening installation Expired - Fee Related CN203972335U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104084382A (en) * 2014-07-16 2014-10-08 苏州迪纳精密设备有限公司 Parallel test sorting equipment of rotating disc type microphone
CN104826818A (en) * 2015-04-13 2015-08-12 浙江理工大学 Efficient microphone sorting unit
CN104837103A (en) * 2015-04-13 2015-08-12 浙江理工大学 Microphone sorting testing device
CN104826806A (en) * 2015-04-13 2015-08-12 浙江理工大学 Rapid feeding mechanism for microphone separation
CN104826804A (en) * 2015-04-13 2015-08-12 浙江理工大学 Microphone test separator
CN104826813A (en) * 2015-04-13 2015-08-12 浙江理工大学 Efficient microphone sorting machine
CN105101033A (en) * 2015-09-29 2015-11-25 梧州恒声电子科技有限公司 Trumpet curve testing device
CN106216439A (en) * 2016-09-07 2016-12-14 东莞工坊精密模具有限公司 A kind of micro metal tube automatic checkout equipment
TWI612821B (en) * 2016-06-22 2018-01-21 宏相科技股份有限公司 Automated microphone calibration systems
CN108686976A (en) * 2017-04-11 2018-10-23 苏州搏技光电技术有限公司 A kind of MEMS electronic product testing, sorting equipment

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104084382A (en) * 2014-07-16 2014-10-08 苏州迪纳精密设备有限公司 Parallel test sorting equipment of rotating disc type microphone
CN104826804B (en) * 2015-04-13 2018-03-20 浙江理工大学 Miaow head testing, sorting machine
CN104837103A (en) * 2015-04-13 2015-08-12 浙江理工大学 Microphone sorting testing device
CN104826806A (en) * 2015-04-13 2015-08-12 浙江理工大学 Rapid feeding mechanism for microphone separation
CN104826804A (en) * 2015-04-13 2015-08-12 浙江理工大学 Microphone test separator
CN104826813A (en) * 2015-04-13 2015-08-12 浙江理工大学 Efficient microphone sorting machine
CN104826818A (en) * 2015-04-13 2015-08-12 浙江理工大学 Efficient microphone sorting unit
CN104826806B (en) * 2015-04-13 2017-11-17 浙江理工大学 Miaow head separator quick feeding mechanism
CN104826813B (en) * 2015-04-13 2018-02-16 浙江理工大学 Mini microphone efficient classifier
CN104826818B (en) * 2015-04-13 2018-02-23 浙江理工大学 Miaow head efficient separation device
CN105101033A (en) * 2015-09-29 2015-11-25 梧州恒声电子科技有限公司 Trumpet curve testing device
TWI612821B (en) * 2016-06-22 2018-01-21 宏相科技股份有限公司 Automated microphone calibration systems
CN106216439A (en) * 2016-09-07 2016-12-14 东莞工坊精密模具有限公司 A kind of micro metal tube automatic checkout equipment
CN106216439B (en) * 2016-09-07 2019-12-03 东莞工坊精密模具有限公司 A kind of micro metal tube automatic checkout equipment
CN108686976A (en) * 2017-04-11 2018-10-23 苏州搏技光电技术有限公司 A kind of MEMS electronic product testing, sorting equipment

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