CN108848439A - Sound film detecting device - Google Patents
Sound film detecting device Download PDFInfo
- Publication number
- CN108848439A CN108848439A CN201810787902.2A CN201810787902A CN108848439A CN 108848439 A CN108848439 A CN 108848439A CN 201810787902 A CN201810787902 A CN 201810787902A CN 108848439 A CN108848439 A CN 108848439A
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- China
- Prior art keywords
- sound film
- pictures
- laser
- box
- component
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of sound film detecting devices, including：Operating platform；The tray rack being set on the operating platform is provided with the jig pallet for placing sound film on the tray rack；The 3D laser being set on the operating platform is taken pictures box, and 3D laser box of taking pictures is located at the top of the jig pallet, and 3D laser takes pictures and is provided with 3D camera in box；The 2D being set on the operating platform takes pictures component, and 2D component of taking pictures is located at the lower section of the jig pallet, and 2D component of taking pictures includes dome light source and the camera below dome light source.The present invention can concentricity to sound film and depth detect, it is high-efficient, precision is good.
Description
Technical field
The invention belongs to detection device technical field more particularly to a kind of inspections of concentricity and depth for detecting sound film
Survey device.
Background technique
Sound film is the component part of speaker vibration system, is the important component for realizing electroacoustic conversion.It is assembled by sound film
Before into finished product loudspeaker, need to detect the concentricity and depth of sound film, to guarantee the quality of product.The bottom of sound film
With a smooth concave surface, need to monitor when detecting sound film bottom to top the distance between plane (depth) and baseplane and
Push up the concentricity between plane.Existing detection mode is to use eye-observation by manually sound film is put into mold tooling mostly
Mode detected, manual detection mode low precision, low efficiency, and the mode of artificial detection when judging have subjectivity
Property, it not can guarantee the consistency of examination criteria, cause product yield low, it is more to receive customer complaint.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide one kind, and detection efficiency and detection can be improved
Precision is used to detect the concentricity of sound film and the detection device of depth.
The purpose of the present invention is implemented with the following technical solutions：
Sound film detecting device, including：Operating platform；The tray rack being set on the operating platform, on the tray rack
It is provided with the jig pallet for placing sound film；The 3D laser being set on the operating platform is taken pictures box, and the 3D laser is taken pictures box
Positioned at the top of the jig pallet, 3D laser takes pictures and is provided with 3D camera in box；The 2D being set on the operating platform is clapped
According to component, 2D component of taking pictures is located at the lower section of the jig pallet, and 2D component of taking pictures includes dome light source and is located at dome
Camera below light source.
Further, the 3D camera is line laser structured light camera.
Further, multiple sound film placing grooves for placing sound film are provided on the jig pallet, the tray rack is removable
It is set on the operating platform dynamicly.
Further, multiple sound film placing grooves for placing sound film are provided on the jig pallet, the 3D laser is taken pictures
Box and 2D component of taking pictures are movably arranged at respectively on the operating platform, the 3D laser takes pictures box and 2D takes pictures component
Moving direction is identical.
Further, multiple sound film placing grooves for placing sound film are provided on the jig pallet, the tray rack can edge
Be set to straight reciprocating on the operating platform, the 3D laser take pictures box and 2D take pictures component can be past along straight line respectively
Multiple to be movably set on the operating platform, the 3D laser is taken pictures the moving direction of box and the moving direction of the tray rack
Perpendicular, the 2D takes pictures the moving direction of component and the 3D laser is taken pictures, and the moving direction of box is identical.
Further, the operating distance that the 3D laser is taken pictures between box and sound film is adjustable.
Further, the operating distance that the 2D takes pictures in component between camera and sound film is adjustable.
Further, take pictures the distance between dome light source and sound film in component of the 2D is adjustable.
Compared with prior art, the beneficial effects of the present invention are：Sound film detecting device of the invention, by jig pallet
Top setting 3D laser take pictures box, in the lower section of jig pallet, setting 2D takes pictures component, is taken pictures swashing in box using 3D laser
The profile of light camera scanning sound film detects sound film characteristic point, so that stable feature image outstanding is obtained, to the depth of sound film
It is monitored, takes pictures component in combination with the 2D being located at below jig pallet, obtain the concentricity picture of two planes of sound film, gently
The detection of the existing depth and concentricity to sound film product upper and lower surface of pine nut, testing result is reliable and stable, reproducible, precision
It is high.In a preferred approach, the continuous detection that can also realize multistation, greatly improves efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the side view of Fig. 1.
Specific embodiment
In the following, being described further in conjunction with specific embodiment to the present invention.
Referring to Fig.1, Fig. 2, Fig. 3 and Fig. 4, the sound film detecting device of the present embodiment include rack (not shown), operating platform
1, take pictures box 2,2D of 3D laser takes pictures component 3, jig pallet 4 and tray rack 5.
Operating platform 1 is set in rack, is the detection platform of sound film product.Jig pallet 4 is to be detected for placing
Sound film product, jig pallet 4 are placed on the tray rack 5 being arranged on operating platform 1.It is set on the jig pallet 4 of the present embodiment
Multiple sound film placing grooves for placing sound film are equipped with, continuously multiple sound films on jig pallet 4 can be detected, to improve
Efficiency.Tray rack 5 is movably arranged on operating platform 1, and the present embodiment is provided with guide rail 1a, tray rack 5 in operating platform 1
It is set on guide rail 1a, and can be moved back and forth under the control of tray rack mobile control unit along guide rail 1a.The mobile control of tray rack
Unit processed can be used conventional cylinder or servo motor+driving member mode and drive tray rack 5 mobile, the tray rack of the present embodiment
Mobile control unit controls the movement of tray rack 5 using the combination of servo motor and screw rod, and servo motor 8 is set to operating platform
On 1, output shaft is connected with screw rod 9, and screw rod 9 is parallel to guide rail 1a setting, and tray rack 5 is by connector 10 and is set to screw rod
Shaft coupling (feed screw nut) on 9 is connected, and when servo motor 8 works, makes tray rack 5 by the cooperation of screw rod 9 and shaft coupling
It is moved along guide rail 1a.
3D laser box 2 of taking pictures is set on operating platform 2 by the first mounting rack 6, and 3D laser box 2 of taking pictures is located at tray rack
The top of 5 (jig pallets 4), 3D laser, which is taken pictures, is provided with 3D camera in box 2, and the 3D camera of the present embodiment is swashed using Cognex line
Optical scanning camera.It is provided with multiple rows of multiple row sound film placing groove on the jig pallet 4 of the present embodiment, and is located at and can be moved along guide rail 1a
Tray rack 5 on, in order to cooperate the quantity of sound film placing groove and its position on jig pallet 4, realize automatic continuous testing product,
The first sliding rail 6a, 3D laser box 2 of taking pictures is provided on first mounting rack 6 to be set on the first sliding rail 6a by the first balladeur train 7, and
It can be moved back and forth in take pictures control lower edge the first sliding rail 6a of box mobile control unit of laser, 3D laser is taken pictures the mobile side of box 2
To perpendicular with the moving direction of tray rack 5, i.e. guide rail 1a and the first sliding rail 6a are perpendicular, so that 3D laser is taken pictures, box 2 can be right
Multiple products on jig bracket 4 positioned at same row (same row) successively carry out detection of taking pictures.The laser of the present embodiment is taken pictures box
Mobile control unit equally controls 3D laser in such a way that servo motor is combined with driving member and takes pictures the movement of box 2, servo electricity
Machine 8 is set on the first mounting rack 6, and the output shaft of servo motor 8 is connected with screw rod 9, and the first balladeur train 7 (is not schemed by connector
Show) it is connected with the shaft coupling (not shown) being set on screw rod 9, when servo motor 8 works, pass through screw rod 9 and shaft coupling
Cooperation moves the first balladeur train 7 along the first sliding rail 6a.
2D component 3 of taking pictures is set on operating platform 2 by the second mounting rack 11, and 2D component 2 of taking pictures is located at tray rack 5
The lower section of (jig pallet), 2D component 3 of taking pictures includes that camera 3-1 and dome light source 3-2, camera 3-1 are located at dome light source 3-2's
Lower section.In order to cooperate the quantity of sound film placing groove and its position on jig pallet 4, automatic continuous testing product, this implementation are realized
The 2D component 3 of taking pictures of example is movably arranged on the second mounting rack 11, is provided on the second mounting rack 11 and the second sliding rail
11a, 2D component 3 of taking pictures are set on the second sliding rail 11a by the second balladeur train 12, and can be taken pictures component mobile control unit in 2D
Control lower edge the second sliding rail 11a move back and forth, the moving direction of the moving direction and tray rack 5 of 2D laser module 3 is perpendicular,
That is guide rail 1a and the second sliding rail 11a are perpendicular, so that 2D takes pictures, component 3 can be located at same row (same row) on jig bracket 4
Multiple products successively carry out detection of taking pictures.The 2D of the present embodiment take pictures component mobile control unit equally use servo motor with
The mode of driving member combination controls 2D and takes pictures the movement of component 3, and servo motor 8 is set on the second mounting rack 11, servo motor 8
Output shaft be connected with screw rod (not shown), the second balladeur train 12 is by connector (not shown) and the shaft coupling that is set on screw rod
It is (not shown) to be connected, when servo motor 8 works, make the second balladeur train along the second sliding rail 11a by the cooperation of screw rod and shaft coupling
It is mobile.It is both provided with drag chain on the first mounting rack 6 and the second mounting rack 11,3D laser takes pictures box 2 and 2D takes pictures for placing
The power cable of component etc. and data cable etc..Camera in 3D laser takes pictures 3D camera in box 2 and 2D takes pictures component can lead to
It crosses data line to be connected to an external computer, so that will test data is sent to computer, or be stored in memory, memory is logical
Data line is crossed to be connected to an external computer.
Detection device of the invention can concentricity to sound film and depth detect respectively, below to inspection of the invention
Survey process is further described：
Sound film product to be detected is placed in jig pallet 4, jig pallet 4 is placed in the support on operating platform 2
On plate rail 5；In order to improve efficiency, the present embodiment is arranged there are two tray rack 5 on operating platform 2, and each tray rack 5 can be placed
One jig pallet 4 is provided with 2 × 4 sound film placing grooves on each jig pallet 4；3D laser takes pictures box 2 and 2D takes pictures component
3 can by group detect the sound film product on two jig pallets 4；
The start button 13 (being additionally provided with scram button 14 on operating platform 2) on operating platform 2 is manipulated, tray rack 4 exists
The control of servo motor is moved to position, while 3D laser box 2 of taking pictures also is moved into corresponding position, emits line laser, point by point
The profile of sound film is scanned, obtains the bottom concave surface of sound film to the depth data of top plane；2D component of taking pictures also is moved into corresponding position
It sets, after opening dome light source 3-2, camera 3-1 takes pictures to sound film, is detected with the concentricity to two discs of sound film；
A sound film has been detected as soon as every, and 3D laser box 2 of taking pictures along the first sliding rail 6a moves a fixed range, to next
The scanning that sound film carries out profile is taken pictures；2D component 3 of taking pictures also moves a fixed range along the second sliding rail 11a, to next sound
Film is taken pictures, and is repeated above step, is detected to the sound film on row's (same row) same on jig pallet 4；
After the sound film in same row (same row) all detects, tray rack 5 moves a fixed range along guide rail 1a,
3D laser takes pictures box 2 and 2D takes pictures after component 3 resets, and repeats above step continuously to next row (next column) on jig bracket 4
Sound film successively detected.Detection device of the invention not only shortens detection time, while also improving efficiency, Er Qiexiang
Than the mode of artificial judgment, the present invention is by laser 3D profile scan data and concentricity photo come the depth dimensions of testing product
And concentricity, judgment criteria is unified, and consistency is more preferable, is conducive to improve product yield.
Preferably, in order to adapt to different products, make that 3D laser takes pictures laser camera in box and 2D takes pictures in component
Camera and dome light source it is adjustable to the distance between sound film, can be arranged on the first balladeur train 7 and multiple be spaced along the vertical direction
3D laser box of taking pictures is fixed on the position of different height and is adjusted with fastening screw by the fixation hole of arrangement or setting slotted hole
3D laser takes pictures in box laser camera to the operating distance between sound film.Likewise, being also provided on the second balladeur train 12 along vertical
The spaced multiple fixation holes in direction or setting slotted hole are fixed 2D component of taking pictures in different positions with fastening screw
To adjust camera and dome light source to the operating distance between sound film.Only need to regulate that 3D laser takes pictures box and 2D takes pictures component
Height, can easily realize switching operating distance corresponding with different product, versatility is good, plug and play, without cumbersome
Calibration.In addition, 3D laser is taken pictures between box and the first balladeur train, 2D takes pictures between component and the second balladeur train can also using groove and
The mode of fin cooperation realizes the adjusting installation of different height, can also be in addition to can be by the way of manual installation and adjustment
Realize that LINEAR CONTINUOUS is adjusted using modes such as motor or cylinders.
In addition, in the embodiment above, moved in one direction using tray rack, and 3D laser is taken pictures, box and 2D take pictures group
The mode that part is moved along the direction perpendicular with tray rack moving direction is realized to the sound on different location on same jig bracket
Film is detected, but can also can be moved along two mutually orthogonal directions using tray rack, and 3D laser is taken pictures box and 2D
The fixed mode of component of taking pictures or 3D laser take pictures box and 2D takes pictures, and component can be moved along two mutually orthogonal directions,
And the mode that tray rack is fixed is realized and is detected to the sound film on same jig bracket on different location.
For those skilled in the art, it can make other each according to the above description of the technical scheme and ideas
Kind is corresponding to be changed and deforms, and all these change and deform the protection model that all should belong to the claims in the present invention
Within enclosing.
Claims (8)
1. sound film detecting device, which is characterized in that including：
Operating platform；
The tray rack being set on the operating platform is provided with the jig pallet for placing sound film on the tray rack；
The 3D laser being set on the operating platform is taken pictures box, and 3D laser box of taking pictures is located at the upper of the jig pallet
Side, 3D laser take pictures and are provided with 3D camera in box；
The 2D being set on the operating platform takes pictures component, and 2D component of taking pictures is located at the lower section of the jig pallet, 2D
Component of taking pictures includes dome light source and the camera below dome light source.
2. sound film detecting device according to claim 1, it is characterised in that：The 3D camera is line laser structured light camera.
3. sound film detecting device according to claim 1, it is characterised in that：Multiple placements are provided on the jig pallet
The sound film placing groove of sound film, the tray rack are movably arranged on the operating platform.
4. sound film detecting device according to claim 1 or 3, it is characterised in that：It is provided on the jig pallet multiple
The sound film placing groove of sound film is placed, the 3D laser takes pictures box and 2D takes pictures, and that component is movably arranged at the operation respectively is flat
On platform, the 3D laser take pictures box and 2D take pictures component moving direction it is identical.
5. sound film detecting device according to claim 1, it is characterised in that：Multiple placements are provided on the jig pallet
The sound film placing groove of sound film, the tray rack can along straight reciprocating be set on the operating platform, the 3D laser
It takes pictures box and 2D component of taking pictures can along straight reciprocating be set on the operating platform respectively, the 3D laser is taken pictures box
Moving direction and the tray rack moving direction it is perpendicular, the 2D take pictures component moving direction and the 3D laser clap
It is identical according to the moving direction of box.
6. sound film detecting device described according to claim 1 or 2 or 3 or 5, it is characterised in that：The 3D laser take pictures box with
Operating distance between sound film is adjustable.
7. sound film detecting device described according to claim 1 or 2 or 3 or 5, it is characterised in that：The 2D takes pictures phase in component
Operating distance between machine and sound film is adjustable.
8. sound film detecting device described according to claim 1 or 2 or 3 or 5, it is characterised in that：The 2D takes pictures circle in component
The distance between top light source and sound film are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787902.2A CN108848439B (en) | 2018-07-18 | 2018-07-18 | Sound film detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787902.2A CN108848439B (en) | 2018-07-18 | 2018-07-18 | Sound film detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108848439A true CN108848439A (en) | 2018-11-20 |
| CN108848439B CN108848439B (en) | 2023-10-13 |
Family
ID=64196335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810787902.2A Active CN108848439B (en) | 2018-07-18 | 2018-07-18 | Sound film detection device |
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| Country | Link |
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| US7560679B1 (en) * | 2005-05-10 | 2009-07-14 | Siimpel, Inc. | 3D camera |
| CN102353349A (en) * | 2011-09-30 | 2012-02-15 | 广东工业大学 | Machine vision based micro-sound film concentricity online testing system and testing method |
| CN102519401A (en) * | 2011-12-23 | 2012-06-27 | 广东工业大学 | On-line real-time sound film concentricity detection system based on field programmable gate array (FPGA) and detection method thereof |
| CN102611981A (en) * | 2012-03-19 | 2012-07-25 | 东莞市科伟自动化设备有限公司 | Sound film detection method and detection system for implementing detection method |
| CN105527294A (en) * | 2015-12-31 | 2016-04-27 | 广东长天精密设备科技有限公司 | A backlight detecting machine |
| CN206235571U (en) * | 2016-11-30 | 2017-06-09 | 惠州汉视博自动化设备有限公司 | The two-sided visual detection equipment of workpiece |
| CN207235118U (en) * | 2017-09-30 | 2018-04-13 | 东莞涌韵音膜有限公司 | The full-automatic multinomial on-line measuring device of sound film |
| CN208540169U (en) * | 2018-07-18 | 2019-02-22 | 慧眼自动化科技（广州）有限公司 | Sound film detecting device |
-
2018
- 2018-07-18 CN CN201810787902.2A patent/CN108848439B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7560679B1 (en) * | 2005-05-10 | 2009-07-14 | Siimpel, Inc. | 3D camera |
| CN102353349A (en) * | 2011-09-30 | 2012-02-15 | 广东工业大学 | Machine vision based micro-sound film concentricity online testing system and testing method |
| CN102519401A (en) * | 2011-12-23 | 2012-06-27 | 广东工业大学 | On-line real-time sound film concentricity detection system based on field programmable gate array (FPGA) and detection method thereof |
| CN102611981A (en) * | 2012-03-19 | 2012-07-25 | 东莞市科伟自动化设备有限公司 | Sound film detection method and detection system for implementing detection method |
| CN105527294A (en) * | 2015-12-31 | 2016-04-27 | 广东长天精密设备科技有限公司 | A backlight detecting machine |
| CN206235571U (en) * | 2016-11-30 | 2017-06-09 | 惠州汉视博自动化设备有限公司 | The two-sided visual detection equipment of workpiece |
| CN207235118U (en) * | 2017-09-30 | 2018-04-13 | 东莞涌韵音膜有限公司 | The full-automatic multinomial on-line measuring device of sound film |
| CN208540169U (en) * | 2018-07-18 | 2019-02-22 | 慧眼自动化科技（广州）有限公司 | Sound film detecting device |
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| CN108848439B (en) | 2023-10-13 |
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