CN110977916A - Method for marking PCB after test - Google Patents
Method for marking PCB after test Download PDFInfo
- Publication number
- CN110977916A CN110977916A CN201911232939.XA CN201911232939A CN110977916A CN 110977916 A CN110977916 A CN 110977916A CN 201911232939 A CN201911232939 A CN 201911232939A CN 110977916 A CN110977916 A CN 110977916A
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- pcb
- manipulator
- printing paper
- driving motor
- control system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention relates to the technical field of PCB detection, in particular to a method for marking a tested PCB, which comprises the following steps: step one, setting a position of printing paper sucked by a manipulator: the manipulator is operated by a control system computer to move to the position of printing paper on the printer, the position parameters at the moment are stored and used as the origin of coordinates of the printing paper sucked by the manipulator, and then relevant moving parameters are adjusted on the basis of the origin of coordinates; step two, the manipulator sets the position coordinates of the printing paper of the test result pasted on the qualified PCB board: and operating the manipulator to move to the position of the qualified PCB through the control system computer. According to the invention, the intelligent manipulator sucker is controlled by the control system computer to smoothly grasp the printing paper of the test result and paste the printing paper on the qualified PCB and the unqualified PCB, so that the qualified PCB and the unqualified PCB are effectively and quickly distinguished, and the test efficiency of the full-automatic flying probe machine is improved.
Description
Technical Field
The invention relates to the technical field of PCB detection, in particular to a method for marking a tested PCB.
Background
In the production process of the PCB, the quality of the PCB after leaving the factory needs to be detected, a flying probe tester needs to be used in the process, and in the test process of the conventional flying probe tester, the classification statistical marking of qualified PCBs and unqualified PCBs is manually completed by operators, so that the efficiency is low and errors are easy to occur. In view of this, we propose a method for marking a PCB board after testing.
Disclosure of Invention
In order to make up for the above deficiencies, the invention provides a method for marking a PCB after testing.
The technical scheme of the invention is as follows:
a method for marking a PCB after testing comprises the following steps:
step one, setting a position of printing paper sucked by a manipulator: the manipulator is operated by a control system computer to move to the position of printing paper on the printer, the position parameters at the moment are stored and used as the origin of coordinates of the printing paper sucked by the manipulator, and then relevant moving parameters are adjusted on the basis of the origin of coordinates;
step two, the manipulator sets the position coordinates of the printing paper of the test result pasted on the qualified PCB board: the manipulator is operated by a control system computer to move to the position of a qualified PCB, the position parameters at the moment are stored as the origin of coordinates of the position of pasting printing paper by the manipulator, and then relevant moving parameters are adjusted on the basis of the origin of coordinates;
step three, the position coordinate of the test result printing paper pasted on the unqualified PCB is set by the mechanical arm: the manipulator is operated by a control system computer to move to the position of the unqualified PCB, the position parameters at the moment are stored as the origin of coordinates of the position of the manipulator for pasting printing paper, and then relevant moving parameters are adjusted on the basis of the origin of coordinates;
step four, when the result of testing the PCB is qualified, the printer prints the test paper according to the test result, the manipulator moves to the coordinate point where the printing paper is located, the sucker on the manipulator sucks the printing paper and then moves to the coordinate point where the qualified PCB is located, and the printing paper is pasted on the qualified PCB;
and step five, when the result of testing the PCB is unqualified, printing the test paper by the printer according to the test result, moving the mechanical arm to a coordinate point where the printing paper is located, sucking the printing paper by a sucking disc on the mechanical arm, moving the printing paper to the coordinate point where the unqualified PCB is located, pasting the printing paper on the unqualified PCB, resetting the mechanical arm to zero, waiting for the next instruction, and repeating the steps.
As a preferred technical scheme, the manipulator is fixed on a frame of the flying needle testing machine and comprises a fixed mounting bottom plate fixedly mounted on the frame, a first-stage driving motor is arranged on the fixed mounting bottom plate, an output shaft of the first-stage driving motor is connected with a small belt wheel, one side of the small belt wheel is connected with a large belt wheel through a conveying belt, a second-stage transmission upright post is mounted on the large belt wheel, a second-stage driving motor is mounted on the second-stage transmission upright post, an output shaft of the second-stage driving motor is connected with a second-stage rotating wheel, a third-stage transmission upright post is mounted on the second-stage rotating wheel, a third-stage driving motor is mounted on the third-stage transmission upright post, a third-stage rotating wheel is connected with an output shaft of the third-stage driving motor, a fourth, and the four-stage rotating wheel is provided with a sucker fixing plate.
Preferably, the suction cup is fixedly mounted at the tail end of the suction cup fixing plate.
As a preferable technical scheme, the control system computer is connected with the printer interface through a wire.
As a preferable technical scheme, a rotary servo controller is connected between the control system computer and the primary driving motor, and the control system computer, the rotary servo controller and the primary driving motor are connected through leads.
As a preferable technical scheme, a large arm servo controller is connected between the control system computer and the secondary driving motor, and the control system computer, the large arm servo controller and the secondary driving motor are connected through leads.
According to the preferable technical scheme, a large arm servo controller is connected between the control system computer and the three-stage driving motor, and the control system computer, the large arm servo controller and the three-stage driving motor are connected through leads.
As a preferable technical scheme, the control system computer and the four-stage driving motor are connected with an arm rotation controller, and the control system computer, the arm rotation controller and the four-stage driving motor are connected through a lead.
As an optimized technical scheme, the PCB is placed on an untested PCB storage rack before being undetected, and the printer is installed on a fixing frame above the untested PCB storage rack.
As a preferable technical solution, the PCB is respectively placed on the FAIL position storage rack and the PASS position storage rack after the detection is completed, and the FAIL position storage rack and the PASS position storage rack are located on the upper and lower sides of the same vertical plane.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the intelligent manipulator sucker is controlled by the control system computer to smoothly grasp the printing paper of the test result and paste the printing paper on the qualified PCB and the unqualified PCB, so that the qualified PCB and the unqualified PCB are effectively and quickly distinguished, and the test efficiency of the full-automatic flying probe machine is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a robot structure according to the present invention;
FIG. 3 is a block diagram of a robot control system according to the present invention;
FIG. 4 is a flowchart illustrating a process for processing coordinate information of a manipulator according to one embodiment of the present invention;
fig. 5 is a second flowchart of the robot coordinate information processing according to the present invention.
In the figure: the automatic PCB testing machine comprises a rack 1, a manipulator 2, a fixed mounting bottom plate 20, a small belt wheel 21, a large belt wheel 22, a secondary transmission upright 23, a secondary rotating wheel 24, a tertiary transmission upright 25, a tertiary rotating wheel 26, a quaternary transmission upright 27, a quaternary rotating wheel 28, a sucker fixing plate 29, a sucker 3, an untested PCB storage rack 4, a PCB 5, a printer 6, a FAIL level storage rack 7 and a PASS level storage rack 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a method for marking a PCB after testing comprises the following steps:
step one, setting the position of printing paper sucked by a manipulator 2: the manipulator 2 is operated by a control system computer to move to the position of printing paper on the printer 6, the position parameters at the moment are stored and used as the origin of coordinates of the printing paper sucked by the manipulator 2, and then relevant moving parameters are adjusted on the basis of the origin of coordinates;
step two, the manipulator 2 sets the position coordinates of the test result printing paper pasted on the qualified PCB 5: the manipulator 2 is operated by a control system computer to move to the position of a qualified PCB 5, the position parameter at the moment is stored as the origin of coordinates of the position of pasting printing paper by the manipulator 2, and then the relevant moving parameter is adjusted on the basis of the origin of coordinates;
step three, the manipulator 2 sets the position coordinates of the test result printing paper pasted on the unqualified PCB 5: the manipulator 2 is operated by a control system computer to move to the position of the unqualified PCB 5, the position parameter at the moment is stored as the position origin of coordinates of the printing paper pasted on the manipulator 2, and then the relevant moving parameter is adjusted on the basis of the origin of coordinates;
step four, when the result of testing the PCB 5 is qualified, the printer 6 prints the test paper according to the test result, the manipulator 2 moves to the coordinate point where the printing paper is located, the sucker 3 on the manipulator 2 sucks the printing paper and then moves to the coordinate point where the qualified PCB 5 is located, and the printing paper is pasted on the qualified PCB 5;
and step five, when the result of testing the PCB 5 is unqualified, printing the test paper by the printer 6 according to the test result, moving the manipulator 2 to the coordinate point where the printing paper is located, sucking the printing paper by the sucking disc 3 on the manipulator, moving the printing paper to the coordinate point where the unqualified PCB 5 is located, pasting the printing paper on the unqualified PCB 5, resetting the manipulator 2 to zero and waiting for the next instruction, and the steps are repeated.
In this embodiment, the manipulator 2 is fixed on the frame 1 of the flying probe testing machine, the manipulator 2 comprises a fixed mounting base plate 20 fixedly mounted on the frame 1, a first-stage driving motor is arranged on the fixed mounting base plate 20, an output shaft of the first-stage driving motor is connected with a small belt pulley 21, one side of the small belt pulley 21 is connected with a large belt pulley 22 through a conveyor belt, a second-stage transmission upright 23 is mounted on the large belt pulley 22, a second-stage driving motor is mounted on the second-stage transmission upright 23, an output shaft of the second-stage driving motor is connected with a second-stage rotating wheel 24, a third-stage transmission upright 25 is mounted on the second-stage rotating wheel 24, a third-stage driving motor is mounted on the third-stage transmission upright 25, an output shaft of the third-stage driving motor is connected with a third-stage rotating wheel, the four-stage rotary wheel 28 is provided with a suction cup fixing plate 29.
In this embodiment, the suction cup 3 is fixedly mounted on the end of the suction cup fixing plate 29.
In this embodiment, the control system computer is connected to the interface of the printer 6 through a wire, and the control system computer can control the printer 6 to print the corresponding result at any time.
In this embodiment, a rotary servo controller is connected between the control system computer and the primary driving motor, and the control system computer, the rotary servo controller and the primary driving motor are connected by a wire.
In this embodiment, the boom servo controller is connected between the control system computer and the secondary driving motor, and the control system computer, the boom servo controller, and the secondary driving motor are connected by a wire.
In this embodiment, the large arm servo controller is connected between the control system computer and the three-stage driving motor, and the control system computer, the large arm servo controller and the three-stage driving motor are connected by a wire.
In this embodiment, the control system computer and the four-stage driving motor are connected to an arm rotation controller, and the control system computer, the arm rotation controller and the four-stage driving motor are connected to each other through a wire.
In this embodiment, the PCB 5 is placed on the untested PCB storage rack 4 before the untested PCB is detected, and the printer 6 is installed on the fixing frame above the untested PCB storage rack 4.
In this embodiment, the PCB 5 is placed on the FAIL position storage rack 7 and the PASS position storage rack 8 respectively after the detection is completed, and the FAIL position storage rack 7 and the PASS position storage rack 8 are located on the upper and lower sides of the same vertical plane.
It is worth to be noted that one side of the printing paper is provided with double-sided adhesive paper with the width of 20mm, and the other side of the printing paper can be smoothly stuck on a PCB after being grabbed by a sucker, so that the function of marking a good or bad board by a full-automatic flying probe tester is realized.
It is worth to be noted that the printer in the present device is a commercially mature jiabo thermal printer, and the specifications thereof are as follows: GP-L80180 series.
It is worth to be noted that the communication interface on the control system computer is connected with the external communication equipment through a wire to realize information exchange with other equipment, the Ethernet interface on the control system computer can realize direct PC communication of a single or a plurality of robots through Ethernet, and can be directly connected on the PC to transmit an application program written by a Windows library function, support TCP/IP communication protocol, load data and programs into each robot controller through the Ethernet interface, the image interface on the control system computer is connected with the external image processing equipment through a wire, and the sound interface on the control system computer is connected with the external sound processing equipment through a wire.
It is worth to say that the control system computer is also connected with a teaching box through a lead, the teaching box can teach the working track, parameter setting and all human-computer interaction operations of the robot, has an independent CPU and a storage unit, and realizes information interaction with a host computer in a serial communication mode.
It is worth to say that the control system computer is also connected with an operation panel through a wire, the operation panel is composed of various operation keys and status indicator lamps, and only basic function operation is completed.
It is worth to be noted that the control system computer is also connected with a hard disk storage through a wire, and a peripheral storage for storing the robot working program is also connected with the hard disk storage.
It is worth to be noted that the control system computer is also connected with a digital and analog input/output module through a lead, and can realize the input and output of various states and control commands.
It is to be supplemented that the manipulator 2 is also provided with a system-on-chip, the system-on-chip is provided with a control logic module, a microprocessor module, a digital signal processor, a system coordinate generator, a memory module, an interface module for communicating with the outside, an analog front-end module containing an ADC/DAC, a power supply and power consumption management module, a test computer transmits received information to a data processor on the system-on-chip, the data processor transmits processed data to the system coordinate generator to generate a timely coordinate, in the process, the robot coordinate generator constantly records coordinate dynamic information of the manipulator 2, and a speed monitor constantly feeds back the coordinate dynamic information to the system coordinate generator, so that the reasonability of the motion coordinate of the manipulator 2 is ensured.
It is worth to be noted that a separator is arranged inside the system coordinate generator, the separator is used for separating complex motion data, and the real-time expander is used for expanding coordinate information, so that real-time coordinate conversion is achieved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A method for marking a PCB after testing is characterized in that: the method comprises the following steps:
step one, setting the position of printing paper sucked by a manipulator (2): the manipulator (2) is operated by a control system computer to move to the position of printing paper on the printer (6), the position parameters at the moment are stored and used as the origin of coordinates of the manipulator (2) for sucking the printing paper, and then relevant moving parameters are adjusted on the basis of the origin of coordinates;
step two, the manipulator (2) sets the position coordinates of the test result printing paper pasted on the qualified PCB (5): the manipulator (2) is operated by a control system computer to move to the position of a qualified PCB (5), the position parameter at the moment is stored as the position origin of coordinates of the printing paper pasted on the manipulator (2), and then the relevant moving parameter is adjusted on the basis of the origin of coordinates;
step three, the manipulator (2) sets the position coordinates of the test result printing paper pasted on the unqualified PCB (5): the manipulator (2) is operated by a control system computer to move to the position of the unqualified PCB (5), the position parameter at the moment is stored and is used as the origin of the coordinate of the position for pasting the printing paper by the manipulator (2), and then the relevant moving parameter is adjusted on the basis of the origin of the coordinate;
step four, when the result of testing the PCB (5) is qualified, the printer (6) prints the test paper according to the test result, the manipulator (2) moves to the coordinate point where the printing paper is located, the sucker (3) on the manipulator (2) sucks the printing paper and then moves to the coordinate point where the qualified PCB (5) is located, and the printing paper is pasted on the qualified PCB (5);
and step five, when the result of testing the PCB (5) is unqualified, printing the test paper by the printer (6) according to the test result, moving the mechanical arm (2) to the coordinate point where the printing paper is located, sucking the printing paper by a sucking disc (3) on the mechanical arm, moving the printing paper to the coordinate point where the unqualified PCB (5) is located, pasting the printing paper on the unqualified PCB (5), resetting the mechanical arm (2) to zero and waiting for the next instruction, and the steps are repeated.
2. The method of claim 1 for identifying a PCB board after testing, comprising: the manipulator (2) is fixed on a frame (1) of the flying needle testing machine, the manipulator (2) comprises a fixed mounting base plate (20) fixedly mounted on the frame (1), a first-stage driving motor is arranged on the fixed mounting base plate (20), an output shaft of the first-stage driving motor is connected with a small belt wheel (21), one side of the small belt wheel (21) is connected with a large belt wheel (22) through a conveying belt, a second-stage transmission upright post (23) is mounted on the large belt wheel (22), a second-stage driving motor is mounted on the second-stage transmission upright post (23), an output shaft of the second-stage driving motor is connected with a second-stage rotating wheel (24), a third-stage transmission upright post (25) is mounted on the second-stage rotating wheel (24), a third-stage driving motor is mounted on the third-stage transmission upright post (25), an output shaft of the third-stage driving motor, install level four driving motor on level four transmission stand (27), level four driving motor's output shaft has level four swiveling wheel (28), install sucking disc fixed plate (29) on level four swiveling wheel (28).
3. The method of claim 1 for identifying a PCB board after testing, comprising: the sucker (3) is fixedly arranged at the tail end of the sucker fixing plate (29).
4. The method of claim 1 for identifying a PCB board after testing, comprising: the control system computer is connected with the interface of the printer (6) through a wire.
5. The method of claim 1 for identifying a PCB board after testing, comprising: a rotary servo controller is connected between the control system computer and the primary driving motor, and the control system computer, the rotary servo controller and the primary driving motor are connected through leads.
6. The method of claim 1 for identifying a PCB board after testing, comprising: and the control system computer, the large arm servo controller and the secondary driving motor are connected through leads.
7. The method of claim 1 for identifying a PCB board after testing, comprising: and the control system computer, the large arm servo controller and the three-stage driving motor are connected through leads.
8. The method of claim 1 for identifying a PCB board after testing, comprising: the control system computer and the four-stage driving motor are connected with an arm rotation controller, and the control system computer, the arm rotation controller and the four-stage driving motor are connected through leads.
9. The method of claim 1 for identifying a PCB board after testing, comprising: the PCB (5) is placed on the untested PCB storage rack (4) before being detected, and the printer (6) is installed on the fixing rack above the untested PCB storage rack (4).
10. The method of claim 1 for identifying a PCB board after testing, comprising: after the detection, the PCB (5) is respectively placed on a FAIL position storage rack (7) and a PASS position storage rack (8), and the FAIL position storage rack (7) and the PASS position storage rack (8) are positioned on the upper side and the lower side of the same vertical plane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232939.XA CN110977916B (en) | 2019-12-03 | 2019-12-03 | Method for marking tested PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232939.XA CN110977916B (en) | 2019-12-03 | 2019-12-03 | Method for marking tested PCB |
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| CN110977916A true CN110977916A (en) | 2020-04-10 |
| CN110977916B CN110977916B (en) | 2022-11-15 |
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| CN201911232939.XA Active CN110977916B (en) | 2019-12-03 | 2019-12-03 | Method for marking tested PCB |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112630579A (en) * | 2021-01-07 | 2021-04-09 | 武汉纽姆数控机电设备有限公司 | Aging test method and system for servo driver |
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| CN107121632A (en) * | 2017-07-12 | 2017-09-01 | 深圳市迈创力科技有限公司 | A kind of flying probe system |
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