CN113950201B - SMT production line connection table width adjustment control method, device, equipment and storage medium - Google Patents
SMT production line connection table width adjustment control method, device, equipment and storage medium Download PDFInfo
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- 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
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
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- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30141—Printed circuit board [PCB]
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- 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
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Abstract
The invention relates to the field of control of a docking station, and particularly discloses a method, a device, equipment and a storage medium for controlling width adjustment of an SMT production line docking station. The SMT production line connection table width adjustment control method comprises the following steps: acquiring information of a printed circuit board to be processed; the method comprises the steps of sending printed circuit board information to a production data database, and obtaining preset printed circuit board size data corresponding to the printed circuit board information from the production data database; obtaining measured printed circuit board size data; comparing the preset printed circuit board size data with the actually measured printed circuit board size data; acquiring preset connection table track width data from a production data database according to the information of the printed circuit board; triggering a docking station track width adjustment instruction according to preset docking station track width data; acquiring the track width data of the actual measurement connection platform; and comparing the actually measured track width of the connection platform with the track width data of the preset connection platform. The invention has the advantage of reducing the large loss caused by faults.
Description
Technical Field
The invention relates to the field of control of a docking station, in particular to a method, a device, equipment and a storage medium for controlling width adjustment of an SMT production line docking station.
Background
The SMT production line, namely the surface assembly technology, is characterized by adopting a component surface mounting technology and a reflow soldering technology, is a new generation assembly technology in electronic product manufacturing, and main equipment of the SMT production line comprises a printing machine, a chip mounter, reflow soldering, a plug-in unit, a crest furnace, test packaging and the like.
Because the printed circuit board has multiple different sizes specification, for smooth transportation, two tracks of the connection platform are always set into a movable form with adjustable width, one track is fixed, and the other track is slidable to realize the width adjustment of the track of the connection platform.
However, in the actual production process, errors may exist in the system acquisition and generation data, or errors may occur when the system is assigned to the docking station, in modern production, operators on the production line are relatively few, and when systematic faults occur, the operators cannot be found in time, and when found, batch defective products or even production accidents may occur, so that large losses are caused, and therefore, there is room for improvement.
Disclosure of Invention
In order to reduce large loss caused by faults, the application provides a SMT production line connection table width adjusting control method, device and equipment and a storage medium.
In a first aspect, the present application provides a method for controlling width adjustment of an SMT production line docking station, which adopts the following technical scheme:
the SMT production line connection table width adjusting control method comprises the following steps:
acquiring information of a printed circuit board to be processed;
the method comprises the steps of sending printed circuit board information to a production data database, and obtaining preset printed circuit board size data corresponding to the printed circuit board information from the production data database;
obtaining measured printed circuit board size data;
comparing the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within +/-1% of the preset printed circuit board size data value, performing the next step, and if the actually measured printed circuit board size data is outside +/-1% of the preset printed circuit board size data value, triggering a circuit board alarm signal;
acquiring preset connection table track width data from a production data database according to the information of the printed circuit board;
Triggering a docking station track width adjustment instruction according to preset docking station track width data;
acquiring the track width data of the actual measurement connection platform;
comparing the actually measured track width with the preset track width data of the connection platform, if the actually measured track width is within the range of +/-1% of the preset track width data value of the connection platform, releasing and producing normally, and if the actually measured track width is outside the range of +/-1% of the preset track width data value of the connection platform, triggering a connection platform alarm signal.
Through adopting above-mentioned technical scheme, through obtaining actual measurement printed circuit board size data and comparing with preset printed circuit board size data, if match, then consider the printed circuit board information that calls from production database is correct, if can't match, then consider the printed circuit board information that calls from production database is wrong, the accessible is reported to the police, remind operating personnel to inspect, this is probably that information identification module on the printed circuit board stored is wrong, also probably that the data of predetermineeing in the system is wrong, need examine with maintain, and when can't match, only report to the police and not pass, can suspend the production operation, avoid appearing more serious production accident, and can find the problem place fast, be convenient for maintain, thereby greatly reduced the loss.
The actual measurement of the width data of the connecting table track is obtained and compared with the preset connecting table track data, if the actual measurement of the width data of the connecting table track is matched with the preset connecting table track, the width adjusting control module of the connecting table is considered to be normal, if the actual measurement of the width data of the connecting table cannot be matched with the preset connecting table track, the width adjusting control module of the connecting table is considered to possibly have abnormality, or the preset connecting table track data is sent to the connecting table to have errors, and an operator can be reminded to conduct investigation and maintenance through an alarm, and only when the actual measurement of the width data of the connecting table track is matched with the preset connecting table track, production operation can be suspended when errors occur, further accidents are avoided, and loss can be reduced.
The method has the advantages that after the actually measured printed circuit board size data is successfully matched with the preset printed circuit board size data, the width adjustment of the connecting table track is carried out, so that the situation that the width adjustment operation of the connecting table track is invalid due to the fact that the actually measured printed circuit board size data cannot be matched with the preset printed circuit board size data after synchronous operation is avoided, and energy and equipment loss are reduced.
Preferably, the obtaining the measured size data of the printed circuit board specifically includes:
when the printed circuit board reaches the inlet of the docking station, acquiring an image of the printed circuit board;
and calculating actual measurement printed circuit board size data according to the resolution and pixels of the printed circuit board image.
Through adopting above-mentioned technical scheme, through obtaining printed circuit board image to calculate printed circuit board size through resolution ratio and pixel, can acquire actual measurement printed circuit board size data fast, and need not to remove printed circuit board, keep printed circuit board assembly line operation, keep production efficiency, and because the pixel size is less, make the measurement accuracy higher, be difficult for because measuring error leads to the condition of false alarm, make actual measurement printed circuit board size data and the accuracy of predetermineeing printed circuit board size data comparison higher, have higher guiding meaning to production process.
Preferably, the obtaining the measured track width data of the docking station specifically includes:
acquiring a track image of the docking station after the width adjustment of the track of the docking station is completed;
and calculating actual measurement docking station track width data according to the resolution and pixel values of the docking station track image.
Through adopting above-mentioned technical scheme, through obtaining the platform track image of plugging into and obtaining actual measurement platform track width data through resolution ratio and pixel calculation for obtain data accurate, quick, when two tracks of the platform of plugging into transfer width are without error, can judge fast and issue the instruction of letting pass, guarantee pipelining, guarantee production efficiency.
Preferably, after the sending the printed circuit board information to the production data database and obtaining the preset printed circuit board size data from the production data database, and in the circuit board data comparison module, the SMT production line docking station width adjustment control method is further configured to compare the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within the range of the preset printed circuit board size data threshold value:
and if the acquisition of the preset printed circuit board size data from the production data database fails, triggering an alarm signal.
By adopting the technical scheme, the printed circuit board currently produced by an operator is reminded of no relevant information in the system through an alarm, the information stored by the information identification module on the printed circuit board is possibly wrong, the preset data in the system is also possibly wrong, and the preset printed circuit board size data corresponding to the new printed circuit board specification type is not recorded into the production data database, so that the system needs to be maintained as soon as possible, and the situation of great loss caused by long-time production stopping is reduced.
Preferably, the method for controlling the width adjustment of the SMT production line docking station further comprises the steps of comparing the actually measured docking station track width with the preset docking station track width data, if the actually measured docking station track width is within a range of +/-1% of the preset docking station track width data value, releasing and normally producing, if the actually measured docking station track width is outside a range of +/-1% of the preset docking station track width data value, triggering a docking station alarm signal, and then:
Transmitting the actually measured track width of the connection platform to an alarm record database, calculating the difference value between the actually measured track width of the connection platform and the preset track width of the connection platform, transmitting the difference value between the actually measured track width of the connection platform and the preset track width of the connection platform to a control device of the connection platform, and re-widening the track of the connection platform according to the difference value between the actually measured track width of the connection platform and the preset track width of the connection platform by the control device of the connection platform;
obtaining the track width of a secondary actually measured connection platform;
comparing the track width of the secondary actually measured connection platform with the track width data of the preset connection platform, triggering a release instruction, normally producing and keeping triggering connection platform alarm signals if the track width of the secondary actually measured connection platform is within the range of +/-1% of the track width data of the preset connection platform, triggering a stop production instruction and keeping triggering connection platform alarm signals if the track width of the secondary actually measured connection platform is outside the range of +/-1% of the track width data of the preset connection platform.
Through adopting above-mentioned technical scheme, through transfer the platform track width data and predetermine the difference of transferring the platform track width data according to the actual measurement and transfer the platform track width data again, if transfer the platform track width data and transfer the platform track width data threshold value within predetermineeing again after the width, then can produce, the operating personnel can wait to examine again after this batch production finishes, maintain, neither can influence production quality, also not influence production efficiency for production is more high-efficient, reduces the loss.
In a second aspect, the application provides an SMT production line connection platform width adjustment control device, which adopts the following technical scheme:
an SMT line connection board width adjustment control device, the SMT line connection board width adjustment control device includes:
the circuit board information acquisition module is used for acquiring the information of the printed circuit board to be processed;
the circuit board information calling module is used for sending the printed circuit board information to the production data database and acquiring preset printed circuit board size data corresponding to the printed circuit board information from the production data database;
the circuit board size measurement module is used for acquiring actually measured printed circuit board size data;
the circuit board data comparison module is used for comparing the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within the range of +/-1% of the preset printed circuit board size data, the next step is carried out, and if the actually measured printed circuit board size data is outside the range of +/-1% of the preset printed circuit board size data, a circuit board warning signal is triggered;
the track data acquisition module is used for acquiring track width data of a preset connection table from a production data database according to the information of the printed circuit board;
The track width adjusting module is used for triggering a track width adjusting instruction of the connection platform according to preset track width data of the connection platform;
the track size measurement module is used for acquiring the track width data of the actually-measured connection platform;
the track data comparison module is used for comparing the actually measured track width of the connection platform with the preset track width data of the connection platform, if the actually measured track width of the connection platform is within the range of +/-1% of the preset track width data value of the connection platform, the normal production is released, and if the actually measured track width of the connection platform is outside the range of +/-1% of the preset track width data value of the connection platform, the connection platform alarm signal is triggered.
Through adopting above-mentioned technical scheme, obtain preset printed circuit board size data and the table track width data of plugging into from production data database according to the printed circuit board information that waits to process, through obtaining actual measurement printed circuit board size data and table track width data of plugging into, through comparing preset printed circuit board size data with actual measurement printed circuit board size data, judge whether actual production printed circuit board corresponds with the printed circuit board size data that obtains, through comparing preset table track width data of plugging into with actual measurement table track width data, judge whether the table track width after adjusting width corresponds with preset table track width of plugging into, thereby in time discover the condition that track width and printed circuit board size mismatch, remind operating personnel to carry out investigation, maintenance, reduce the circumstances that the production accident leads to great loss.
Preferably, the track size measurement module further comprises:
the docking station track image acquisition sub-module is used for acquiring a docking station track image after the docking station track width adjustment is completed;
and the docking station track width calculation sub-module is used for obtaining actually-measured docking station track width data according to the resolution and pixel values of the docking station track image and calculation.
Preferably, the SMT production line docking station width adjustment control device further includes:
the device comprises a transfer table track width re-widening module, an alarm record database, a transfer table control device and a transfer table control device, wherein the transfer table track width re-widening module is used for sending the actual measurement transfer table track width to the alarm record database, calculating the difference value between the actual measurement transfer table track width and the preset transfer table track width, sending the difference value between the actual measurement transfer table track width and the preset transfer table track width to the transfer table control device, and re-widening the transfer table track according to the difference value between the actual measurement transfer table track width and the preset transfer table track width;
the secondary track size measurement module is used for obtaining the track width of the secondary actually-measured connection platform;
the secondary track data comparison module is used for comparing the track width of the secondary actually measured connection platform with the track width data of the preset connection platform, triggering a release instruction if the track width of the secondary actually measured connection platform is within the range of +/-1% of the track width data value of the preset connection platform, normally producing and keeping triggering the alarm signal of the connection platform, and triggering a stop production instruction if the track width of the secondary actually measured connection platform is outside the range of +/-1% of the track width data value of the preset connection platform, and keeping triggering the alarm signal of the connection platform.
In a third aspect, the present application provides a computer device, which adopts the following technical scheme:
a computer device comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor realizes the steps of the SMT production line docking station width adjustment control method when executing the computer program.
In a fourth aspect, the present application provides a computer readable storage medium, which adopts the following technical scheme:
a computer readable storage medium storing a computer program which when executed by a processor implements the steps of the SMT production line docking station width adjustment control method described above.
In summary, the present application has the following beneficial effects:
1. because this application is through acquireing actual measurement printed circuit board size data and comparing with predetermineeing printed circuit board size data, if match, then consider the printed circuit board information that calls from production data database is correct, if can't match, then consider the printed circuit board information that calls from production data database is wrong, the accessible is reported to the police, remind the operating personnel to inspect, this is probably that information identification module on the printed circuit board stored is wrong, also probably be that the data of predetermineeing in the system is wrong, need examine with maintain, and when can't match, only report to the police and not pass through, can suspend the production operation, avoid appearing more serious production accident, and can find the problem place fast, be convenient for maintain, thereby greatly reduced the loss.
2. Because this application is preferred through obtaining actual measurement and plugging into platform track width data and compare with predetermine the plugging into platform track data, if match, then consider that the control module of plugging into platform width adjustment is normal, if can't match, then consider that there is the plugging into platform width adjustment control module itself to appear unusual, or error appears when will predetermine the plugging into platform track data transmission for plugging into the platform, through the warning, can remind operating personnel to carry out investigation and maintenance, and only pass through when matching, can pause production operation when the error appears, further occurence of failure has been avoided, reducible loss.
3. Because the application preferably carries out the width adjustment of the connecting table track after the actually measured printed circuit board size data and the preset printed circuit board size data are successfully matched, the situation that the width adjustment operation of the connecting table track is invalid due to the fact that the actually measured printed circuit board size data and the preset printed circuit board size data cannot be matched after synchronous operation is avoided, and energy and equipment loss are reduced.
4. Because this application is preferred through transfer the platform track width data and predetermine the difference of transferring platform track width data according to the actual measurement and transfer the platform track width data again, if transfer the platform track width data and then can produce in predetermineeing the platform track width data threshold value scope of transferring after transferring the width once more, operating personnel can wait to examine again after this batch production finishes, maintain, neither can influence production quality, also not influence production efficiency for production is more high-efficient, reduces the loss.
Drawings
FIG. 1 is a flow chart of a method for controlling width adjustment of an SMT production line docking station according to one embodiment;
FIG. 2 is a flowchart of an implementation of S03 in the SMT production line docking station width adjustment control method according to an embodiment;
FIG. 3 is a flowchart of an implementation of S07 in the SMT production line docking station width adjustment control method according to an embodiment;
FIG. 4 is a flowchart of another implementation of the SMT production line docking station width adjustment control method according to one embodiment;
FIG. 5 is a flowchart of an implementation of S08 in the SMT production line docking station width adjustment control method according to an embodiment;
FIG. 6 is a schematic block diagram of an SMT production line docking station width adjustment apparatus according to one embodiment;
fig. 7 is a schematic diagram of an apparatus in an embodiment.
Detailed Description
The present application is described in further detail below with reference to examples.
Example 1
A width adjusting control method of an SMT production line connection table is disclosed, and reference is made to FIGS. 1-3.
The method comprises the following steps:
s01, obtaining information of the printed circuit board to be processed.
In this embodiment, the printed circuit boards are each printed with a bar code, and the bar codes store printed circuit board information including the type of the printed circuit board.
Specifically, a code scanning device is arranged on the previous machine of each connection platform, and after the printed circuit board passes through the code scanning device, the information of the printed circuit board stored in the bar code is read through the code scanning device, so that the type of the printed circuit board is obtained.
S02, the printed circuit board information is sent to a production data database, and preset printed circuit board size data corresponding to the printed circuit board information is obtained from the production data database.
In this embodiment, the production data database refers to a database storing a plurality of different printed circuit board models,
And a database of preset printed circuit board size data corresponding to each printed circuit board model and preset docking station track width data corresponding to each printed circuit board model.
The preset printed circuit board size data refers to a three-dimensional model of the printed circuit board corresponding to each printed circuit board model.
Specifically, the three-dimensional models of the printed circuit boards with different models are recorded, the models of the printed circuit boards are in one-to-one correspondence with the corresponding three-dimensional models of the printed circuit boards, and then the models are stored in a preset database, so that the production data database is obtained; and (3) inputting the model of the printed circuit board obtained in the step (S01) into a production data database, and obtaining preset printed circuit board size data corresponding to the printed circuit board information according to the corresponding relation between different models of the printed circuit board and the three-dimensional model of the printed circuit board in the production data database.
S03, obtaining the actually measured size data of the printed circuit board.
S031, when the printed circuit board reaches the entrance of the docking station, the printed circuit board image is acquired.
S032, calculating the measured size data of the printed circuit board according to the resolution and the pixels of the printed circuit board image.
In this embodiment, the measured printed circuit board dimension data refers to the actual dimensions of the printed circuit board that needs to be processed on the docking station.
Specifically, referring to fig. 1-2, a camera is arranged on a previous machine of the docking station, when the printed circuit board runs to a camera shooting area, an image of a printed circuit board at a certain moment/any moment on the machine is shot by the camera to obtain an actual shot printed circuit board image, a circuit board recognition model for recognizing the complete printed circuit board is trained in advance, then the actual shot printed circuit board image is input into the circuit board recognition model, if the recognition is successful, the complete printed circuit board is considered to be included in the actual shot printed circuit board image, the position of the printed circuit board in the actual shot printed circuit board image is obtained, four vertexes of the printed circuit board are recognized by the circuit board recognition model, the resolution of the printed circuit board image and the number of pixels of connecting lines between the four vertexes are analyzed, the actual size of 1 pixel is obtained by the resolution, and the actual size of 1 pixel is multiplied by the number of pixels on each connecting line to obtain the length, width and diagonal line size data of the actual shot printed circuit board.
S04, comparing the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within the range of +/-1% of the preset printed circuit board size data, performing the next step, and if the actually measured printed circuit board size data is outside the range of +/-1% of the preset printed circuit board size data, triggering a circuit board alarm signal.
In this embodiment, the circuit board warning signal refers to a signal for reminding an operator of abnormality in the size of the circuit board to be printed.
Specifically, actually measured printed circuit board size data and an actual shot printed circuit board image are input into a production data database, a printed circuit board three-dimensional model corresponding to the printed circuit board type number is called, the printed circuit board three-dimensional model is rotated to be parallel to a printed circuit board in the actual shot printed circuit board image, a printed circuit board three-dimensional model plane image in the state is obtained, then the printed circuit board three-dimensional model plane image is input into a circuit board identification model, if identification is successful, the printed circuit board three-dimensional model plane image is identified to comprise a complete printed circuit board three-dimensional model, the position of the printed circuit board three-dimensional model in the image is obtained from the printed circuit board three-dimensional model plane image, four vertexes of the printed circuit board three-dimensional model are identified through the circuit board identification model, the resolution of the printed circuit board three-dimensional model plane image and the number of connecting lines between the four vertexes are analyzed, the actual size of 1 pixel is obtained through the resolution, and the actual size of 1 pixel is multiplied by the number of pixels on each connecting line, and the length, width and diagonal size of the printed circuit board three-dimensional model are obtained. Comparing the length, width and diagonal dimensions of the printed circuit board with those of the three-dimensional model of the printed circuit board, triggering an instruction for the next operation of the printed circuit board if the length, width and diagonal dimensions of the printed circuit board are within +/-1% of the length, width and diagonal dimensions corresponding to the three-dimensional model of the printed circuit board, acquiring a unique mark of an imaging device currently shooting the circuit board to be processed if the length, width and diagonal dimensions of the printed circuit board are outside +/-1% of the length, width and diagonal dimensions corresponding to the three-dimensional model of the printed circuit board, triggering a printed circuit board alarm signal according to the unique mark of the imaging device, and reminding operators to conduct investigation and maintenance according to the position of the unique mark where the imaging device is located; if the identification is not successful, the circuit board alarm signal is directly triggered.
S05, acquiring preset connection table track width data from a production data database according to the information of the printed circuit board.
In this embodiment, the preset docking station track width data refers to data for controlling the docking station to adjust the width.
The preset docking station track image refers to an image when the actual width of the docking station track is equal to the preset docking station track width data.
The track width data for calibration refers to the vertical distance between the two adjacent sides of the two tracks of the docking station, which are actually measured by the physical ranging tool, at the top.
Because the connection platform needs to transport the printed circuit board from the former board to the next board, and the printed circuit board size of different models is different, if connection platform track width and printed circuit board size mismatch, the too wide damage that leads to the printed circuit board to drop or the too narrow printed circuit board that leads to can't get into connection platform and transport, and at continuous production's in-process, if need frequently change the production plan in addition, the condition that the printed circuit board size is different around can appear, need in time adjust the printed circuit board production plan with the cooperation of different specifications to connection platform track width.
It is therefore necessary to perform track widening by acquiring preset docking station track width data corresponding to each printed circuit board model.
Specifically, when preset docking station track width data is preset, preset docking station track widths corresponding to each printed circuit board model, preset docking station track images in a track width state corresponding to each preset docking station track width, and correction track width data corresponding to each preset docking station track image are stored in a production data database.
When preset connection table track images are preset, after the track is widened according to the corresponding preset connection table track width, the printed circuit board corresponding to the printed circuit board model is put into the track test run to verify the connection table track state of the printed circuit board which can safely transport the corresponding printed circuit board model, and the direction perpendicular to the connection table transport plane is shot through the camera arranged above the connection table, so that the preset track connection table image corresponding to each preset connection table track width data is obtained.
And (3) inputting the type of the printed circuit board obtained in the step (S01) into a production data database, and obtaining the preset docking station track width data corresponding to the printed circuit board information according to the corresponding relation between the types of different printed circuit boards in the production data database and the preset docking station track width data.
S06, triggering a docking station track width adjusting instruction according to preset docking station track width data.
In this embodiment, the docking station track width adjustment instruction refers to an instruction for controlling the docking station to adjust the width according to preset docking station track width data.
Specifically, the preset connection table track width data is sent to the control device of the connection table, and the control device of the connection table adjusts the width of the connection table track according to the preset connection table track width data.
S07, obtaining the track width data of the actually measured connection platform.
And S071, obtaining a docking station track image after the docking station track width adjustment is completed.
And S072, obtaining the actually measured docking station track width data according to the resolution and pixel values of the docking station track image and calculation.
In this embodiment, the measured track width data refers to the actual vertical distance between the two tracks on the docking station.
Specifically, referring to fig. 1 and 3, an image of a docking station after the docking station is widened is shot in a direction perpendicular to a transportation plane of the docking station through a camera arranged above the docking station, an image of the docking station is obtained, a track recognition model for recognizing a track of the docking station is trained in advance, the image is input into the track recognition model, if the image can be successfully recognized, the image is recognized to include the track of the docking station, the position of the track of the docking station in the image is obtained from the image, the track of the docking station is recognized to be positioned on the top and the nearest side by the track recognition model, the resolution of the track image of the docking station and the number of pixels of a vertical connection line between the two nearest sides are analyzed, the actual size of 1 pixel is obtained by the resolution, and the actual size of 1 pixel is multiplied by the number of pixels on the vertical connection line to obtain the actually measured track width of the docking station.
S08, comparing the actually measured track width of the connection platform with the preset track width data of the connection platform, if the actually measured track width of the connection platform is within the range of +/-1% of the preset track width data value, releasing and producing normally, and if the actually measured track width of the connection platform is outside the range of +/-1% of the preset track width data value, triggering a connection platform alarm signal.
In this embodiment, the release instruction refers to an instruction message for controlling the docking station to transport the printed circuit board to the next production station.
Triggering the alarm signal of the docking station refers to reminding operators of abnormal width of the docking station.
Whether frequent adjustment or common adjustment is performed, the track width adjustment is performed according to preset track data, but accidents such as equipment errors or data transmission errors may occur in the actual adjustment process, if errors occur after the track width adjustment, too wide tracks may cause the printed circuit board to fall down and damage, or too narrow tracks may cause production accidents such as the printed circuit board cannot enter the connection table for transportation, etc., so that it is very necessary to detect the actual width of the track after the track adjustment.
Specifically, comparing the track width data of the calibration connection platform with the track width data of the actual measurement connection platform, namely taking the absolute value of the difference value between the track width data of the calibration connection platform and the track width data of the actual measurement connection platform, dividing the absolute value by the track width data of the calibration connection platform, if the obtained value is less than or equal to 0.01, determining that the track width of the actual measurement connection platform is within the range of +/-1% of the track width data of the calibration connection platform, triggering an issuing instruction, otherwise, acquiring the unique identification of the current camera device of the calibration connection platform, triggering the alarm signal of the calibration connection platform according to the unique identification of the camera device, and reminding operators to conduct investigation and maintenance according to the position of the camera device corresponding to the unique identification.
Optionally, the actual photographing docking station track image and the actually measured docking station track width obtained in the step S07 may be input into a production database, a preset docking station track image matched with the actual photographing docking station track image is obtained, wherein the preset docking station track image and the docking station track image are overlapped, if the overlapping area of the actual photographing docking station track is greater than or equal to 99%, the actually measured docking station track width is determined to be within a range of +/-1% of the track width for calibration, and a release instruction is triggered, otherwise, an alarm instruction is triggered.
Example 2
Compared with the embodiment 1, the SMT production line connection table width adjustment control method is only different in that:
s02, inputting the information of the printed circuit board into a production data database, obtaining the preset size data of the printed circuit board from the production data database, and triggering an alarm signal if the acquisition fails.
Specifically, referring to fig. 1 and 4, the printed circuit board model obtained in S01 is input into a production data database, and preset printed circuit board size data corresponding to the printed circuit board information is obtained according to the corresponding relation between different printed circuit board models and the printed circuit board three-dimensional model in the production data database, and if no corresponding preset printed circuit board size data can be obtained, an alarm instruction is sent.
Example 3
Compared with the embodiment 1, the SMT production line connection table width adjustment control method is only different in that:
s08, comparing the actually measured joint table track width with preset joint table track width data, if the actually measured joint table track width is within the range of +/-1% of the preset joint table track width data value, releasing and producing normally, if the actually measured joint table track width is outside the range of +/-1% of the preset joint table track width data value, triggering joint table alarm signals, sending the actually measured joint table track width to an alarm record database, simultaneously calculating the difference value of the actually measured joint table track width and the preset joint table track width, sending the difference value of the actually measured joint table track width and the preset joint table track width to a control device of the joint table, and regulating the joint table track again according to the difference value of the actually measured joint table track width and the preset joint table track width.
And obtaining the track width of the secondary actually-measured connection platform.
Comparing the track width of the secondary actually measured connection platform with the track width data of the preset connection platform, triggering a release instruction, normally producing and keeping triggering connection platform alarm signals if the track width of the secondary actually measured connection platform is within the range of +/-1% of the track width data of the preset connection platform, triggering a stop production instruction and keeping triggering connection platform alarm signals if the track width of the secondary actually measured connection platform is outside the range of +/-1% of the track width data of the preset connection platform.
In this embodiment, the alarm record database is a database for storing the track width of the actual measurement docking station when the alarm command is triggered and the instant time when the alarm command is triggered, and the database can generate an alarm record report.
The difference between the actually measured track width of the connection platform and the preset track width of the connection platform is a value obtained by subtracting the preset track width of the connection platform from the actually measured track width of the connection platform, if the value is negative, the two track widths of the connection platform are judged to be too small, and if the value is positive, the two track widths of the connection platform are judged to be too large.
The production stopping instruction refers to an instruction message for controlling all the docking stations to stop running.
Specifically, referring to fig. 1 and 5, comparing the calibration-use docking station track width data with the actual-measurement docking station track width data, namely, taking the absolute value of the difference between the calibration-use docking station track width data and the actual-measurement docking station track width data, dividing the absolute value by the calibration-use docking station track width data, if the obtained value is less than or equal to 0.01, recognizing that the actual-measurement docking station track width is within the range of +/-1% of the calibration-use docking station track width data, triggering an issuing instruction, otherwise, acquiring the unique identification of the camera device currently shooting the docking station, triggering the docking station alarm signal according to the unique identification of the camera device, reminding an operator to perform investigation and maintenance according to the position of the camera device corresponding to the unique identification, and simultaneously calculating the difference between the actual-measurement docking station track width and the preset docking station track width, and sending the difference between the actual-measurement docking station track width and the preset docking station track width to the control device of the docking station, and performing the adjustment again on the docking station according to the difference between the actual-measurement docking station track width and the preset docking station track width.
The method comprises the steps of shooting an image of a transfer platform after width adjustment is completed in a direction perpendicular to a transfer plane of the transfer platform through a camera arranged above the transfer platform, obtaining a secondary real-time transfer platform image, training a track recognition model for recognizing a transfer platform track in advance, inputting the image into the track recognition model, recognizing that the image comprises the transfer platform track if recognition is successful, obtaining the position of the transfer platform track in the image from the image, recognizing that the transfer platform track is positioned on the top and the nearest side through the track recognition model, analyzing the resolution of the transfer platform track image and the number of pixels of a vertical connection line between the two nearest sides, obtaining the actual size of 1 pixel through the resolution, and obtaining the secondary actual measurement transfer platform track width through multiplication of the actual size of 1 pixel and the number of pixels on the vertical connection line.
Comparing the track width data of the calibration connection platform with the track width data of the secondary actual measurement connection platform, namely taking the absolute value of the difference value between the track width data of the calibration connection platform and the track width data of the secondary actual measurement connection platform, dividing the absolute value by the track width data of the calibration connection platform, if the obtained value is less than or equal to 0.01, determining that the track width of the secondary actual measurement connection platform is within the range of +/-1% of the track width data of the calibration connection platform, triggering an issuing instruction, but maintaining triggering the alarm signal of the connection platform, otherwise, triggering a production stopping instruction, acquiring the unique mark of the current camera shooting the connection platform, triggering the alarm signal of the connection platform according to the unique mark of the camera shooting device, and reminding operators to check and maintain according to the position of the camera shooting device corresponding to the unique mark.
Example 4
The SMT production line connection table width adjusting control device is in one-to-one correspondence with the SMT production line connection table width adjusting control method in the embodiment. As shown in fig. 6, the SMT production line docking station width adjustment control device includes a circuit board information acquisition module, a circuit board information calling module, a circuit board size measurement module, a circuit board data comparison module, a track data acquisition module, a track width adjustment module, a track size measurement module, and a track data comparison module. The functional modules are described in detail as follows:
and the circuit board information acquisition module is used for acquiring the information of the printed circuit board to be processed.
And the circuit board information calling module is used for sending the printed circuit board information to the production data database and acquiring preset printed circuit board size data corresponding to the printed circuit board information from the production data database.
And the circuit board size measurement module is used for acquiring actually measured printed circuit board size data.
And the circuit board data comparison module is used for comparing the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within the range of +/-1% of the preset printed circuit board size data, the next step is carried out, and if the actually measured printed circuit board size data is outside the range of +/-1% of the preset printed circuit board size data, the circuit board warning signal is triggered.
The track data acquisition module is used for acquiring the track width data of the preset connection table from the production data database according to the information of the printed circuit board.
The track width adjusting module is used for triggering the track width adjusting instruction of the connection platform according to the preset track width data of the connection platform.
And the track size measurement module is used for acquiring the track width data of the actually-measured connection platform.
The track data comparison module is used for comparing the actually measured track width of the connection platform with the preset track width data of the connection platform, if the actually measured track width of the connection platform is within the range of +/-1% of the preset track width data value of the connection platform, the normal production is released, and if the actually measured track width of the connection platform is outside the range of +/-1% of the preset track width data value of the connection platform, the connection platform alarm signal is triggered.
Optionally, the circuit board dimension measurement module further includes: the printed circuit board image acquisition sub-module is used for acquiring the printed circuit board image when the printed circuit board reaches the inlet of the docking station; and the printed circuit board size calculation sub-module is used for calculating actual measurement printed circuit board size data according to the resolution ratio and pixels of the printed circuit board image.
The track dimension measurement module further includes: the docking station track image acquisition sub-module is used for acquiring a docking station track image after the docking station track width adjustment is completed; and the docking station track width calculation sub-module is used for obtaining actually-measured docking station track width data according to the resolution and pixel values of the docking station track image and calculation.
This SMT produces line platform width control device that plugs into still includes: the alarm module is used for triggering an alarm signal if the acquisition of the preset printed circuit board size data from the production data database fails; the device comprises a transfer table track width re-widening module, an alarm record database, a transfer table control device and a transfer table control device, wherein the transfer table track width re-widening module is used for sending the actual measurement transfer table track width to the alarm record database, calculating the difference value between the actual measurement transfer table track width and the preset transfer table track width, sending the difference value between the actual measurement transfer table track width and the preset transfer table track width to the transfer table control device, and re-widening the transfer table track according to the difference value between the actual measurement transfer table track width and the preset transfer table track width; the secondary track size measurement module is used for obtaining the track width of the secondary actually-measured connection platform; the secondary track data comparison module is used for comparing the track width of the secondary actually measured connection platform with the track width data of the preset connection platform, triggering a release instruction if the track width of the secondary actually measured connection platform is within the range of +/-1% of the track width data value of the preset connection platform, normally producing and keeping triggering the alarm signal of the connection platform, and triggering a stop production instruction if the track width of the secondary actually measured connection platform is outside the range of +/-1% of the track width data value of the preset connection platform, and keeping triggering the alarm signal of the connection platform.
For specific limitation of the SMT line docking station width adjustment control device, reference may be made to the limitation of the SMT line docking station width adjustment control method hereinabove, and no further description is given here. All or part of the modules in the SMT production line connection table width adjusting control device can be realized by software, hardware and a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
Example 5
A computer device, which may be a server, may have an internal structure as shown in fig. 7. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer device is used for storing a plurality of different printed circuit board models, preset printed circuit board size data corresponding to each printed circuit board model, preset docking station track width data corresponding to each printed circuit board model, a printed circuit board three-dimensional model corresponding to each printed circuit board model, preset docking station track width corresponding to each printed circuit board model, preset docking station track images in a track width state corresponding to each preset docking station track width, and correction track width data corresponding to each preset docking station track image. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program when executed by the processor is used for realizing the SMT production line docking station width adjustment control method.
Example 6
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
acquiring information of a printed circuit board to be processed;
the method comprises the steps of sending printed circuit board information to a production data database, and obtaining preset printed circuit board size data corresponding to the printed circuit board information from the production data database;
obtaining measured printed circuit board size data;
comparing the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within +/-1% of the preset printed circuit board size data value, performing the next step, and if the actually measured printed circuit board size data is outside +/-1% of the preset printed circuit board size data value, triggering a circuit board alarm signal;
acquiring preset connection table track width data from a production data database according to the information of the printed circuit board;
triggering a docking station track width adjustment instruction according to preset docking station track width data;
acquiring the track width data of the actual measurement connection platform;
comparing the actually measured track width with the preset track width data of the connection platform, if the actually measured track width is within the range of +/-1% of the preset track width data value of the connection platform, releasing and producing normally, and if the actually measured track width is outside the range of +/-1% of the preset track width data value of the connection platform, triggering a connection platform alarm signal.
Example 7
A computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
acquiring information of a printed circuit board to be processed;
the method comprises the steps of sending printed circuit board information to a production data database, and obtaining preset printed circuit board size data corresponding to the printed circuit board information from the production data database;
obtaining measured printed circuit board size data;
comparing the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within +/-1% of the preset printed circuit board size data value, performing the next step, and if the actually measured printed circuit board size data is outside +/-1% of the preset printed circuit board size data value, triggering a circuit board alarm signal;
acquiring preset connection table track width data from a production data database according to the information of the printed circuit board;
triggering a docking station track width adjustment instruction according to preset docking station track width data;
acquiring the track width data of the actual measurement connection platform;
comparing the actually measured track width with the preset track width data of the connection platform, if the actually measured track width is within the range of +/-1% of the preset track width data value of the connection platform, releasing and producing normally, and if the actually measured track width is outside the range of +/-1% of the preset track width data value of the connection platform, triggering a connection platform alarm signal.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Claims (10)
1. A width adjusting control method for an SMT production line connection table is characterized by comprising the following steps of: the SMT production line connection table width adjustment control method comprises the following steps:
acquiring information of a printed circuit board to be processed;
the method comprises the steps of sending printed circuit board information to a production data database, and obtaining preset printed circuit board size data corresponding to the printed circuit board information from the production data database;
obtaining measured printed circuit board size data;
Comparing the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within +/-1% of the preset printed circuit board size data value, performing the next step, and if the actually measured printed circuit board size data is outside +/-1% of the preset printed circuit board size data value, triggering a circuit board alarm signal;
acquiring preset connection table track width data from a production data database according to the information of the printed circuit board;
triggering a docking station track width adjustment instruction according to preset docking station track width data;
acquiring the track width data of the actual measurement connection platform;
comparing the actually measured track width with the preset track width data of the connection platform, if the actually measured track width is within the range of +/-1% of the preset track width data value of the connection platform, releasing and producing normally, and if the actually measured track width is outside the range of +/-1% of the preset track width data value of the connection platform, triggering a connection platform alarm signal.
2. The SMT production line docking station width adjustment control method of claim 1, wherein: the obtaining of the actually measured printed circuit board size data specifically comprises the following steps:
When the printed circuit board reaches the inlet of the docking station, acquiring an image of the printed circuit board;
and calculating actual measurement printed circuit board size data according to the resolution and pixels of the printed circuit board image.
3. The SMT production line docking station width adjustment control method of claim 1, wherein: the obtaining of the actually measured docking station track width data specifically comprises the following steps:
acquiring a track image of the docking station after the width adjustment of the track of the docking station is completed;
and calculating actual measurement docking station track width data according to the resolution and pixel values of the docking station track image.
4. The SMT production line docking station width adjustment control method of claim 1, wherein: after the printed circuit board information is sent to the production data database and the preset printed circuit board size data is obtained from the production data database, and after the circuit board data comparison module is used for comparing the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within the range of the preset printed circuit board size data threshold value, the SMT production line connection station width adjustment control method further comprises:
and if the acquisition of the preset printed circuit board size data from the production data database fails, triggering an alarm signal.
5. The SMT production line docking station width adjustment control method of claim 1, wherein: comparing the actually measured track width with the preset track width data of the docking station, if the actually measured track width is within the range of +/-1% of the preset track width data value of the docking station, releasing and producing normally, and if the actually measured track width is outside the range of +/-1% of the preset track width data value of the docking station, triggering the docking station alarm signal, and then controlling the width of the docking station of the SMT production line, wherein the method further comprises the following steps:
transmitting the actually measured track width of the connection platform to an alarm record database, calculating the difference value between the actually measured track width of the connection platform and the preset track width of the connection platform, transmitting the difference value between the actually measured track width of the connection platform and the preset track width of the connection platform to a control device of the connection platform, and re-widening the track of the connection platform according to the difference value between the actually measured track width of the connection platform and the preset track width of the connection platform by the control device of the connection platform;
obtaining the track width of a secondary actually measured connection platform;
comparing the track width of the secondary actually measured connection platform with the track width data of the preset connection platform, triggering a release instruction, normally producing and keeping triggering connection platform alarm signals if the track width of the secondary actually measured connection platform is within the range of +/-1% of the track width data of the preset connection platform, triggering a stop production instruction and keeping triggering connection platform alarm signals if the track width of the secondary actually measured connection platform is outside the range of +/-1% of the track width data of the preset connection platform.
6. An SMT produces line platform width control device that plugs into, its characterized in that: the SMT production line connection platform width adjusting control device comprises:
the circuit board information acquisition module is used for acquiring the information of the printed circuit board to be processed;
the circuit board information calling module is used for sending the printed circuit board information to the production data database and acquiring preset printed circuit board size data corresponding to the printed circuit board information from the production data database;
the circuit board size measurement module is used for acquiring actually measured printed circuit board size data;
the circuit board data comparison module is used for comparing the preset printed circuit board size data with the actually measured printed circuit board size data, if the actually measured printed circuit board size data is within the range of +/-1% of the preset printed circuit board size data, the next step is carried out, and if the actually measured printed circuit board size data is outside the range of +/-1% of the preset printed circuit board size data, a circuit board warning signal is triggered;
the track data acquisition module is used for acquiring track width data of a preset connection table from a production data database according to the information of the printed circuit board;
the track width adjusting module is used for triggering a track width adjusting instruction of the connection platform according to preset track width data of the connection platform;
The track size measurement module is used for acquiring the track width data of the actually-measured connection platform;
the track data comparison module is used for comparing the actually measured track width of the connection platform with the preset track width data of the connection platform, if the actually measured track width of the connection platform is within the range of +/-1% of the preset track width data value of the connection platform, the normal production is released, and if the actually measured track width of the connection platform is outside the range of +/-1% of the preset track width data value of the connection platform, the connection platform alarm signal is triggered.
7. An SMT production line docking station width adjustment control device according to claim 6, wherein: the track dimension measurement module further includes:
the docking station track image acquisition sub-module is used for acquiring a docking station track image after the docking station track width adjustment is completed;
and the docking station track width calculation sub-module is used for obtaining actually-measured docking station track width data according to the resolution and pixel values of the docking station track image and calculation.
8. An SMT production line docking station width adjustment control device according to claim 6, wherein: the SMT production line connection platform width adjusting control device further comprises:
the device comprises a transfer table track width re-widening module, an alarm record database, a transfer table control device and a transfer table control device, wherein the transfer table track width re-widening module is used for sending the actual measurement transfer table track width to the alarm record database, calculating the difference value between the actual measurement transfer table track width and the preset transfer table track width, sending the difference value between the actual measurement transfer table track width and the preset transfer table track width to the transfer table control device, and re-widening the transfer table track according to the difference value between the actual measurement transfer table track width and the preset transfer table track width;
The secondary track size measurement module is used for obtaining the track width of the secondary actually-measured connection platform;
the secondary track data comparison module is used for comparing the track width of the secondary actually measured connection platform with the track width data of the preset connection platform, triggering a release instruction if the track width of the secondary actually measured connection platform is within the range of +/-1% of the track width data value of the preset connection platform, normally producing and keeping triggering the alarm signal of the connection platform, and triggering a stop production instruction if the track width of the secondary actually measured connection platform is outside the range of +/-1% of the track width data value of the preset connection platform, and keeping triggering the alarm signal of the connection platform.
9. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized by: the steps of the width adjusting control method of the SMT production line docking station according to any one of claims 1-5 are realized when the processor executes the computer program.
10. A computer-readable storage medium storing a computer program, characterized in that: the computer program when executed by a processor performs the steps of the SMT line docking station width adjustment control method according to any of claims 1-5.
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