CN108650879B - Visual identification device and method suitable for chip mounter - Google Patents
Visual identification device and method suitable for chip mounter Download PDFInfo
- Publication number
- CN108650879B CN108650879B CN201810955673.0A CN201810955673A CN108650879B CN 108650879 B CN108650879 B CN 108650879B CN 201810955673 A CN201810955673 A CN 201810955673A CN 108650879 B CN108650879 B CN 108650879B
- Authority
- CN
- China
- Prior art keywords
- transmission
- magnetic
- magnetic induction
- rail
- visual identification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/046—Surface mounting
- H05K13/0465—Surface mounting by soldering
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/303—Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/168—Wrong mounting prevention
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Operations Research (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
The invention provides a visual identification device and a method suitable for a chip mounter, and relates to the technical field of chip mounters, wherein the visual identification device suitable for the chip mounter comprises a chip mounting channel, an element transmission part and a material transmission part, a first transmission rail, a second transmission rail and a chip mounting cavity arranged at the joint of the first transmission rail and the second transmission rail are arranged on the chip mounting channel, a magnetic part and a calculation unit are arranged on the chip mounting channel, the element transmission part comprises a first slide rod and a first magnetic induction part arranged on the first slide rod, the material transmission part comprises a second slide rod and a second magnetic induction part arranged on the second slide rod, and the first magnetic induction part and the second magnetic induction part are both arranged in the magnetic field range of the magnetic part. The visual identification device and method suitable for the chip mounter are high in identification precision and convenient to operate, can identify the coordinate positions of a plurality of components simultaneously, can also identify the coordinate positions of the components and the mounting head simultaneously, and are more accurate in component mounting.
Description
Technical Field
The invention relates to the technical field of chip mounters,
in particular, the present invention relates to a visual recognition apparatus and method for a chip mounter.
Background
Chip mounter: the surface mount device is a device which is arranged behind a tin dotting machine or a printing machine in a production line and accurately places surface mount components on PCB pads by moving a mounting head. The method is divided into manual operation and full-automatic operation.
At present, the domestic technology for identifying the coordinate position of the element by the same type of vision mainly comprises the following two modes:
the first visual identification mode requires human identification;
the second visual recognition mode is recognition by using a camera, and the mounting mode of the camera is that the lens surface is parallel to the working table.
However, both of the above approaches have certain disadvantages:
the first mode of artificial identification mainly has two defects, namely low efficiency, identification error and labor cost; secondly, in the industrial 4.0 era, mechanical equipment must be intelligentized and is suitable for automatic flow line production; the second method is that the recognition cameras are arranged at the front or the side of the suction head assembly, and in the case of being arranged at the front of the suction head assembly, a larger front-back space is needed for recognizing the position coordinates of the elements; in a similar way, the side of the device needs a larger left and right space, so that the device does not effectively utilize the space to carry out structural design and has the defects of material waste and cost.
In view of this, there is a need for improvements and enhancements in the prior art.
Disclosure of Invention
The first purpose of the invention is to provide a visual identification device which has high identification precision and convenient operation, can simultaneously identify the coordinate positions of a plurality of components, can also simultaneously identify the coordinate positions of the components and a mounting head, and is more accurate in component mounting and suitable for a chip mounter.
In order to solve the problems, the invention is realized by adopting the following technical scheme:
the utility model provides a visual identification device suitable for chip mounter, includes paster passageway, component transmission portion and material transmission portion, be provided with first transmission rail, second transmission rail on the paster passageway and set up in the paster chamber of first transmission rail and second transmission rail junction, be provided with magnetic part and computational element on the paster passageway, component transmission portion includes the edge first litter that the extending direction of first transmission rail extends and set up in first magnetic induction spare on the first litter, material transmission portion includes the edge the second litter that the extending direction of second transmission rail extends and set up in second magnetic induction spare on the second litter, first magnetic induction spare and second magnetic induction spare all set up in the magnetic field range of magnetic part.
Preferably, at least a portion of the first slide bar is located within the first transfer rail.
Further preferably, at least a portion of the second slide bar is located within the second transfer rail.
Further preferably, the calculation unit comprises a first calculation unit for identifying the position of the component and a second calculation unit for identifying the position of the material head.
Further preferably, the first calculating unit is electrically connected to the first magnetic induction element, and the second calculating unit is electrically connected to the second magnetic induction element.
Further preferably, an included angle formed between the first transmission rail and the second transmission rail ranges from 60 ° to 120 °.
Another object of the present invention is to expand the protection scope of the visual recognition device for the chip mounter, and provide a visual recognition method for the chip mounter, which adopts a feeding management device for the chip mounter, the device including a chip mounting channel, an element transmission part and a material transmission part; the method comprises the following steps:
s1: a first magnetic induction piece is arranged on a first sliding rod of the element transmission part, a second magnetic induction piece is arranged on a second sliding rod of the material transmission part, and the first magnetic induction piece and the second magnetic induction piece are ensured to be positioned in the magnetic field range of the magnetic piece on the patch channel;
s2: controlling a first slide rod to convey the element, and controlling a second slide rod to convey the material;
s3: the calculation unit calculates and uploads the transmission distance and the transmission angle of the elements and the materials.
Further preferably, the magnetic field of the magnetic member is reset before the step S1 is performed.
Further preferably, before the step S2 is executed, the transfer operation of the first and second sliders is tried.
Further preferably, the magnetic field parameters are input in the calculation unit before step S3 is performed.
The visual identification device and method suitable for the chip mounter have the advantages that:
1. the recognition precision is high, the recognition time can be accurate to one microsecond, and the shortest recognition distance is one micron.
2. The method is convenient to operate, and can simultaneously identify the coordinate positions of a plurality of elements and the coordinate positions of the elements and the mounting head.
3. The component mounting is more accurate and quick, manual calibration is not needed, and the mounting efficiency is at least improved by more than 80%.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a front view of a structure according to one embodiment of the present invention;
FIG. 3 is a top view of a structure according to an embodiment of the present invention;
FIG. 4 is a flow diagram of a method of one embodiment of the present invention;
in the figure: 1. the device comprises a chip channel, 11, a first transmission rail, 12, a second transmission rail, 13, a chip cavity, 2, an element transmission part, 21, a first slide rod, 22, a first magnetic induction piece, 3, a material transmission part, 31, a second slide rod, 32, a second magnetic induction piece, 4, a magnetic piece, 5 and a calculation unit.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
The domestic technology for identifying the coordinate position of the element by the similar vision mainly comprises the following two modes:
the first visual identification mode requires human identification;
the second visual recognition mode is recognition by using a camera, and the mounting mode of the camera is that the lens surface is parallel to the working table.
However, both of the above approaches have certain disadvantages:
the first mode of artificial identification mainly has two defects, namely low efficiency, identification error and labor cost; secondly, in the industrial 4.0 era, mechanical equipment must be intelligentized and is suitable for automatic flow line production; the second method is that the recognition cameras are arranged at the front or the side of the suction head assembly, and in the case of being arranged at the front of the suction head assembly, a larger front-back space is needed for recognizing the position coordinates of the elements; in a similar way, the side of the device needs a larger left and right space, so that the device does not effectively utilize the space to carry out structural design and has the defects of material waste and cost.
The first embodiment is as follows: as shown in fig. 1 to 3, which are only one embodiment of the present invention, in order to achieve an effect of better visually recognizing a component position, a visual recognition device suitable for a chip mounter is provided, and the visual recognition device includes a chip channel 1, a component transmission part 2, and a material transmission part 3, a first transmission rail 11, a second transmission rail 12, and a chip cavity 13 disposed at a connection position of the first transmission rail 11 and the second transmission rail 12 are disposed on the chip channel 1, a magnetic component 4 and a calculation unit 5 are disposed on the chip channel 1, the component transmission part 2 includes a first slide rod 21 extending along an extending direction of the first transmission rail 11 and a first magnetic induction component 22 disposed on the first slide rod 21, the material transmission part 3 includes a second slide rod 31 extending along an extending direction of the second transmission rail 12 and a second magnetic induction component 32 disposed on the second slide rod 31, the first magnetic induction piece 22 and the second magnetic induction piece 32 are both arranged in the magnetic field range of the magnetic piece 4.
Through the technique of magnetic induction, the magnetic induction piece that the displacement changes in the magnetic field can send induction signal, to the computational element, calculates the position coordinate who learns magnetic induction piece, and in hall sensor's use, minimum induction time is 1 microsecond, and minimum induction distance is 1 micron.
Here, only one magnetic field is the magnetic field of the magnetic part 4, the first slide rod 21 of the element transmission part 2 and the second slide rod 31 of the material transmission part 3 are respectively provided with a first magnetic induction part 22 and a second magnetic induction part 32, the position of the first slide rod 21 and the position of the second slide rod 31 can be obtained by calculation and analysis of a calculation unit through induction signals generated by the movement of the first magnetic induction part 22 and the second magnetic induction part 32 in the magnetic field of the magnetic part 4, the first slide rod 21 is used for transmitting the element, and the second slide rod 31 is used for transmitting the material head, so that the position coordinates of the element and the material head can be calculated, the displacement difference can be accurate to 1 micron, the accuracy of the existing chip mounter is more than 0.01 mm, and the accuracy of the present invention can be accurate to 1 micron.
The equal accurate transmission of component and material head pastes the dress to 13 departments of paster chamber, because the position accuracy of component and material head obtains, so pastes the dress process more accurate, and magnetic induction analysis is more sensitive than optical camera, and is more accurate, also need not artifical observation, the material resources of using manpower sparingly.
Only need predetermine the conduction target location in advance, original paper and material head all can accurately be conducted to the target location, and accurate to one micron need not the artifical approval operation, can promote more than 80% of dress efficiency at least.
Of course, the second slide bar 31 may also perform the transfer of the elements, thereby completing the assembly of the plurality of elements. The invention can also achieve the aim of identifying the position coordinates of a plurality of elements simultaneously.
It should be noted that the first slide bar 21 is at least partially located within the first transfer rail 11, and the second slide bar 31 is at least partially located within the second transfer rail 12. The first transfer rail 11 and the second transfer rail 12 here merely define the displacement directions of the first slide rod 21 and the second slide rod 31, facilitate accurate calculation of the position coordinates thereof, and at the same time ensure stability of the components during mounting or assembly.
Further, the calculation unit 5 includes a first calculation unit for identifying the position of the component and a second calculation unit for identifying the position of the material head. The first computing unit is electrically connected to the first magnetic induction element 22, and the second computing unit is electrically connected to the second magnetic induction element 32.
The first calculating unit is used for analyzing and calculating the induction signal fed back by the first magnetic induction piece 22, and the second calculating unit is used for analyzing and calculating the induction signal fed back by the second magnetic induction piece 32, so that signal feedback confusion is avoided, and the displacement coordinates of the first slide rod 21 and the second slide rod 22 are effectively identified.
Of course, the included angle formed between the first transmission rail 11 and the second transmission rail 12 ranges from 60 ° to 120 °. The best scheme is that the first transmission rail 11 and the second transmission rail 12 are perpendicular to each other, so that the position coordinates of the first transmission rail and the second transmission rail are easy to calculate and know, and the component can be mounted more conveniently; in addition, if the components to be mounted have irregular shapes, the angle between the first transfer rail 11 and the second transfer rail 12 can be selectively controlled.
Example two: as shown in fig. 4, which is only one embodiment of the present invention, in order to facilitate understanding of a visual recognition device suitable for a chip mounter, the present invention provides a visual recognition method suitable for a chip mounter, where the method employs a feeding management device suitable for a chip mounter, and the device includes a chip mounting channel, an element transmission portion, and a material transmission portion; the method comprises the following steps:
s1: a first magnetic induction piece is arranged on a first sliding rod of the element transmission part, a second magnetic induction piece is arranged on a second sliding rod of the material transmission part, and the first magnetic induction piece and the second magnetic induction piece are ensured to be positioned in the magnetic field range of the magnetic piece on the patch channel;
the first magnetic induction piece and the second magnetic induction piece are guaranteed to move in a magnetic field of the magnetic piece, and feedback induction signals are continuously generated.
S2: controlling a first slide rod to convey the element, and controlling a second slide rod to convey the material;
the convenience component pastes dress, and of course, the second litter also can be carried out the transmission to the component, makes things convenient for two units to assemble or splice in succession.
S3: the calculation unit calculates and uploads the transmission distance and the transmission angle of the elements and the materials.
The motion process of the first sliding rod and the second sliding rod drives the first magnetic induction piece and the second magnetic induction piece to move in the magnetic field of the magnetic piece, feedback induction signals are generated, the calculation unit obtains the signals to calculate, and position coordinates of the first sliding rod and the second sliding rod can be obtained, so that the position coordinates of the element and the material head can be obtained, and then the position coordinates are uploaded to an operation system, and subsequent mounting is facilitated.
Before step S1 is performed, the magnetic field of the magnetic member is reset. The magnetic member is preferably an electromagnetic member, and the magnetic field is generated by energization, and the magnetic field is reset to prevent an error.
Before step S2 is executed, the transfer operation of the first and second sliders is tried. The smoothness of the transmission action of the first sliding rod and the second sliding rod must be ensured, the first sliding rod and the second sliding rod cannot be blocked, the displacement directions of the first sliding rod and the second sliding rod are convenient to limit, and calculation is convenient.
Before step S3 is performed, the magnetic field parameters are input in the calculation unit. The strength of the magnetic field is different, and the strength of the induction signal is also different, so that the parameters of the magnetic field must be obtained, and the position coordinates of the first sliding rod and the second sliding rod are calculated according to the parameters.
The visual identification device and method suitable for the chip mounter are high in identification precision and convenient to operate, can identify the coordinate positions of a plurality of components simultaneously, can also identify the coordinate positions of the components and the mounting head simultaneously, and are more accurate in component mounting.
While certain specific embodiments of the present invention have been described in detail by way of illustration, it will be understood by those skilled in the art that the foregoing is illustrative only and is not limiting of the scope of the invention, as various modifications or additions may be made to the specific embodiments described and substituted in a similar manner by those skilled in the art without departing from the scope of the invention as defined in the appending claims. It should be understood by those skilled in the art that any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides a visual identification device suitable for chip mounter which characterized in that: the device comprises a patch channel (1), an element transmission part (2) and a material transmission part (3), wherein a first transmission rail (11), a second transmission rail (12) and a patch cavity (13) arranged at the joint of the first transmission rail (11) and the second transmission rail (12) are arranged on the patch channel (1), a magnetic part (4) and a calculation unit (5) are arranged on the patch channel (1), the element transmission part (2) comprises a first sliding rod (21) extending along the extending direction of the first transmission rail (11) and a first magnetic induction part (22) arranged on the first sliding rod (21), the material transmission part (3) comprises a second sliding rod (31) extending along the extending direction of the second transmission rail (12) and a second magnetic induction part (32) arranged on the second sliding rod (31), and the first magnetic induction part (22) and the second magnetic induction part (32) are both arranged in the magnetic field range of the magnetic part (4); the calculating unit (5) comprises a first calculating unit used for identifying the position of the element and a second calculating unit used for identifying the position of the material head, the first calculating unit is electrically connected with the first magnetic induction piece (22), and the second calculating unit is electrically connected with the second magnetic induction piece (32).
2. The visual identification device of claim 1, wherein: the first slide rod (21) is at least partially located within the first transfer rail (11).
3. The visual identification device of claim 1, wherein: the second slide rod (31) is at least partially located within the second transfer rail (12).
4. The visual identification device of claim 1, wherein: the included angle formed between the first transmission rail (11) and the second transmission rail (12) ranges from 60 degrees to 120 degrees.
5. A visual recognition method for a mounter using a visual recognition apparatus for a mounter according to claim 1, the method comprising the steps of:
s1: a first magnetic induction piece is arranged on a first sliding rod of the element transmission part, a second magnetic induction piece is arranged on a second sliding rod of the material transmission part, and the first magnetic induction piece and the second magnetic induction piece are ensured to be positioned in the magnetic field range of the magnetic piece on the patch channel;
s2: controlling a first slide rod to convey the element, and controlling a second slide rod to convey the material;
s3: the calculation unit calculates and uploads the transmission distance and the transmission angle of the elements and the materials.
6. The visual identification method of a placement machine of claim 5, wherein:
before step S1 is performed, the magnetic field of the magnetic member is reset.
7. The visual identification method of a placement machine of claim 5, wherein:
before step S2 is executed, the transfer operation of the first and second sliders is tried.
8. The visual identification method of a placement machine of claim 5, wherein:
before step S3 is executed, the magnetic field parameters are input in the calculation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955673.0A CN108650879B (en) | 2018-08-21 | 2018-08-21 | Visual identification device and method suitable for chip mounter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955673.0A CN108650879B (en) | 2018-08-21 | 2018-08-21 | Visual identification device and method suitable for chip mounter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108650879A CN108650879A (en) | 2018-10-12 |
| CN108650879B true CN108650879B (en) | 2020-05-01 |
Family
ID=63761011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810955673.0A Active CN108650879B (en) | 2018-08-21 | 2018-08-21 | Visual identification device and method suitable for chip mounter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108650879B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6115557A (en) * | 1984-06-30 | 1986-01-23 | Toshiba Corp | Levitating type conveying apparatus |
| CN1121368A (en) * | 1993-04-21 | 1996-04-24 | 欧姆龙株式会社 | Visual inspection support apparatus, substrate inspection apparatus, and soldering inspection and correction methods using the same apparatuses |
| CN1765165A (en) * | 2003-04-09 | 2006-04-26 | 西门子公司 | Equipment head for lifting, transporting and placing components |
| CN1929732A (en) * | 2005-09-05 | 2007-03-14 | 雅马哈发动机株式会社 | Belt type feed device and surface mounting machine |
-
2018
- 2018-08-21 CN CN201810955673.0A patent/CN108650879B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6115557A (en) * | 1984-06-30 | 1986-01-23 | Toshiba Corp | Levitating type conveying apparatus |
| CN1121368A (en) * | 1993-04-21 | 1996-04-24 | 欧姆龙株式会社 | Visual inspection support apparatus, substrate inspection apparatus, and soldering inspection and correction methods using the same apparatuses |
| CN1765165A (en) * | 2003-04-09 | 2006-04-26 | 西门子公司 | Equipment head for lifting, transporting and placing components |
| CN1929732A (en) * | 2005-09-05 | 2007-03-14 | 雅马哈发动机株式会社 | Belt type feed device and surface mounting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108650879A (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104690551B (en) | A kind of robot automation's assembly system | |
| CN106514201B (en) | A kind of automatic connector assembly robot system and its control method | |
| CN104180753A (en) | Rapid calibration method of robot visual system | |
| CN105547153B (en) | Plug-in element stitch vision positioning method and device based on binocular vision | |
| CN102873522A (en) | Microminiature part precision assembly detection device based on double charge coupled device (CCD) industrial cameras | |
| CN105345431B (en) | Automatism card machine control system based on industrial robot | |
| CN104602872A (en) | Work device | |
| CN103945123B (en) | Method for adjusting level angle of industrial camera | |
| CN111390693A (en) | Weld scar polishing equipment and weld scar polishing method | |
| CN110385889A (en) | A kind of device and method of dynamic attachment vision-based detection and correction | |
| CN104275547A (en) | Method for automatically switching welding parameters of manual resistance spot welding | |
| CN104677782A (en) | Machine vision online detection system and method for electric connector shell | |
| CN102735699B (en) | For the positioning mark system of x-ray inspection aftertreatment | |
| TW419933B (en) | Method and apparatus for measuring position errors based on positioning marks, and a machining apparatus for correcting positions based on the results of measuring position errors based on positioning marks | |
| CN108650879B (en) | Visual identification device and method suitable for chip mounter | |
| CN105773661A (en) | Horizontal robot fixed camera lower workpiece translation and rotation calibration method | |
| CN111993420A (en) | Fixed binocular vision 3D guide piece feeding system | |
| CN107202797A (en) | Contactless Continuous Hot Dip Galvanizing Line strip steel weld joint detecting system and its method | |
| CN109631763A (en) | Irregular part detects localization method | |
| CN206643574U (en) | A kind of automatic connector assembly robot system | |
| CN109129480A (en) | A kind of mechanical arm system of processing based on binocular 3D positioning | |
| CN202752805U (en) | Microminiature spare part precise assembling detection device based on double charge coupled device (CCD) industrial cameras | |
| CN107088590A (en) | The punch press feeder and its method of work of a kind of quick identification sheet material skew | |
| CN204064957U (en) | A kind of pcb board pick-up unit | |
| CN105627934B (en) | A kind of vision proportionality coefficient acquisition methods based on machine vision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |