JP6159800B2 - Feeder adjustment device - Google Patents

Description

The present invention relates to a feeder adjusting device used when an operator adjusts a feeder removed from a component mounting machine.

  Since the component mounting machine is designed so that components supplied by a feeder (for example, a tape feeder, a bulk feeder, a stick feeder, etc.) are sucked by a suction nozzle and mounted on a circuit board, the actual component supplied by the feeder If the position (component supply position) and the component suction position of the suction nozzle are shifted, there is a possibility that a component suction error will occur. In order to prevent such component suction mistakes, it is necessary to adjust the feeder so that the component supply position of the feeder matches the component suction position of the suction nozzle, and a feeder adjustment device is used when performing this adjustment work. The

As a conventional feeder adjusting device, as shown in FIG. 1 of JP-A-2009-123895 , summary, etc. , the feeder is placed on a feeder mounting stand provided separately from the component mounting machine. The feeder component supply position and the suction nozzle component suction position are imaged with a camera from above and displayed on the display device. The operator views the display on the display device, and the feeder component supply position and suction nozzle component suction position. There is one that adjusts the feeder by judging whether there is any deviation.

JP 2009-123895 A

  Generally, a reference mark is provided near the component supply position (component pickup position) on the upper end surface of the feeder, and the feeder is adjusted so that the component supply position matches the component pickup position with reference to the position of this reference mark. However, since the position of the reference mark is different for each feeder type, it is necessary to change the camera position for each feeder type.

  In the feeder adjustment device of the above-mentioned patent document 1, a camera is attached to a moving table controlled by a computer, and the position of the camera is moved by the moving table. It is necessary to input information on the imaging position to be moved (information on the position of the reference mark), which is cumbersome and may cause a human error to input incorrect position information. In addition, since the image captured by the camera is only displayed on the display device, the operator must visually determine whether the feeder adjustment state is good by looking at the display image on the display device. There is a possibility that human error will be made.

In order to solve the above-described problems, the present invention provides a feeder adjustment device used when an operator adjusts a feeder removed from a component mounter, and places the feeder removed from the component mounter. A feeder mounting table, a camera for imaging a reference mark provided on the upper end surface of the feeder mounted on the feeder mounting table from above, an XY moving device for moving the camera in the XY direction, and the feeder Identification information acquisition means for acquiring the identification information of the feeder, and a predetermined mark for driving the XY movement device based on the identification information of the feeder acquired by the identification information acquisition means to bring the reference mark of the feeder into view. Control means for moving to an imaging position and imaging the reference mark with the camera; processing the image captured with the camera; Image processing means for detecting the position of the reference mark is identified, the checking means for determining the quality of the adjustment state of the feeder on the basis of the position of the reference mark detected by said image processing means, said test means the The apparatus includes a notification unit that notifies that the feeder needs to be adjusted when it is determined that the adjustment state of the feeder is not good .

  In this configuration, the XY moving device is driven based on the feeder identification information acquired by the identification information acquisition means, and the camera is moved to a predetermined imaging position where the fiducial mark of the feeder is in the field of view. Since imaging is performed, an operator does not need to input imaging position information (reference mark position information) for moving the camera in accordance with the type of feeder, and the preparation work can be simplified and the operator can be simplified. It is possible to prevent the occurrence of human error that causes incorrect position information to be input. Moreover, the image picked up by the camera is processed by the image processing means to detect the position of the reference mark, and the inspection means determines the quality of the feeder adjustment state based on the detected position of the reference mark. Eliminates the need to visually check whether the feeder adjustment state is good or not by looking at the display image on the display device, and it is possible to automate the feeder adjustment state inspection and to prevent the occurrence of human error due to incorrect visual judgment. .

  The present invention may be configured such that only one feeder is mounted on the feeder mounting table, but the feeder mounting table is provided with a plurality of feeder support portions that support the feeder, and a plurality of feeders are mounted on the feeder mounting table. You may comprise so that it can. In this way, if a plurality of feeders are mounted on the feeder mounting table, the cameras are sequentially moved to positions where the reference marks of the respective feeders are imaged, and the adjustment state of the plurality of feeders is efficiently inspected automatically. Can do.

  The feeder placed on the feeder placing table may be any feeder such as a tape feeder, a bulk feeder, and a stick feeder. However, when the present invention is applied to an adjusting device for a tape feeder, the feeder placing table is used. The control means drives the XY moving device in a state where the inspection tape provided with the suction point mark indicating the component suction position of the suction nozzle of the component mounting machine is set on the mounted tape feeder and the tape is fed. Then, the camera is moved to a predetermined imaging position where the reference mark of the tape feeder and the suction point mark of the inspection tape are stored in the field of view, and the camera processes the image of the reference mark and the suction point mark. Means for processing the image picked up by the camera to recognize the reference mark and the suction point mark, and the position of the reference mark and the suction point The position of the mark is detected, and the inspection unit adjusts the feeder depending on whether the position of the reference mark and the position of the suction point mark detected by the image processing unit are within the allowable range of displacement. You may make it determine the quality of a state. In this way, the position of the reference mark of the tape feeder and the position of the suction point mark of the inspection tape can be image-recognized, and the feeder adjustment state can be automatically inspected with high accuracy.

FIG. 1 is a perspective view illustrating an operation of placing a tape feeder on a feeder adjusting device according to an embodiment of the present invention. FIG. 2 is a block diagram showing a system configuration of the feeder adjusting device. FIG. 3 is a plan view showing a part of the inspection tape. FIG. 4 is a view showing a display example of an image obtained by capturing the reference mark of the tape feeder and the suction point mark of the inspection tape with a camera.

Hereinafter, an embodiment embodying a mode for carrying out the present invention will be described.
First, the structure of the feeder adjustment apparatus 11 is demonstrated based on FIG.1 and FIG.2. As shown in FIG. 1, the feeder adjusting device 11 is provided separately from the component mounting machine (not shown), and an operator adjusts the tape feeder 13 removed from the component mounting machine (not shown). It is a device used in the case.
On the upper surface of the base 12 of the feeder adjusting device 11, a feeder mounting table 14 for mounting a plurality of tape feeders 13 removed from the component mounting machine is provided. A plurality of inverted T-shaped guide grooves 15 (feeder support portions) for vertically supporting the plurality of tape feeders 13 are provided on the upper surface of the feeder mounting table 14, and provided on the lower surface side of the tape feeder 13. By inserting a guide rail (not shown) having an inverted T-shaped cross section into the guide groove 15 from the front side, the tape feeder 13 is supported in a vertically placed state on the feeder mounting table 14, and the tip surface of the tape feeder 13 is The two upper and lower positioning pins 20 are inserted into the upper and lower two positioning holes 21 of the feeder mounting table 14, whereby the attachment position of the tape feeder 13 is positioned on the feeder mounting table 14 and the front end surface of the tape feeder 13. When the connector 22 is inserted into and connected to the connector 18 of the feeder mounting table 14, power is supplied to the tape feeder 13, Inspection computer 31 which predicates (see FIG. 2) becomes communicable state with the control unit (not shown) of the tape feeder 13. Thereby, the operator can operate the tape feeding operation of the tape feeder 13 by operating the input device 32 of the inspection computer 31. The tape feeder 13 may be operated by a tape feed button on an operation panel (not shown) of the tape feeder 13.

  The feeder adjustment device 11 includes a camera 25 that captures and captures the reference mark 24 of the tape feeder 13 placed on the feeder placement base 14 in the field of view from above. The camera 25 has the same performance as a mark imaging camera mounted on a component mounter. The reference mark 24 of the tape feeder 13 is a mark indicating the reference position on the upper end surface side of the tape feeder 13, and the reference mark 24 is provided on the upper surface of the tape pressing member 26 provided on the upper end surface of the tape feeder 13. . The tape pressing member 26 presses both the front and rear sides of the component suction position of the component supply tape (not shown) set on the tape feeder 13 to prevent the component supply tape from rising.

  The feeder adjusting device 11 is provided with an XY moving device 27 that moves the camera 25 in the XY directions (front and rear, left and right directions). The XY moving device 27 includes an XY slide mechanism 28 with the camera 25 mounted downward, an X axis motor 29 that drives the XY slide mechanism 28 in the X direction, and a Y axis that drives the XY slide mechanism 28 in the Y direction. The motor 30 is comprised.

  The image data captured by the camera 25 is transferred to the inspection computer 31 (see FIG. 2) for image processing. The inspection computer 31 is attached to an input device 32 such as a keyboard, a mouse, a touch panel, a display device 33 for displaying various information, a storage device 34 for storing various programs and data, and a tape feeder 13. A barcode reader 36 (identification information acquisition means) for reading the barcode on the barcode label 35 (feeder identification information recording unit) is connected. On the barcode label 35 of the tape feeder 13, feeder identification information (hereinafter referred to as “feeder ID”) for identifying the tape feeder 13 is recorded as a barcode. The feeder ID recording method is not limited to the barcode, and may be recorded by a two-dimensional code or the like. Alternatively, an electronic tag (also referred to as an RF tag, IC tag, radio wave tag, or wireless tag) storing feeder ID data may be used. When an electronic tag is used, a reader that can communicate with the electronic tag may be used as the identification information acquisition unit.

  Alternatively, the feeder ID is stored in the nonvolatile memory of the control unit of the tape feeder 13, the tape feeder 13 is placed on the feeder placement table 14, and the connector 22 of the tape feeder 13 is connected to the connector of the feeder placement table 14. 18, the feeder ID may be transferred from the control unit of the tape feeder 13 to the inspection computer 31, and the inspection computer 31 may acquire the feeder ID.

  When the adjustment state of the tape feeder 13 is inspected by the feeder adjusting device 11, an inspection tape 41 (see FIG. 3) that conforms to the specifications (tape width, feed pitch) of the tape feeder 13 is set in the tape feeder 13. . Similar to the component supply tape set on the tape feeder 13, the inspection tape 41 has sprocket holes 42 that fit into teeth of sprockets (not shown) of the tape feeder 13 formed in a line at a predetermined pitch. In addition, suction point marks 43 indicating the component suction position of a suction nozzle (not shown) of the component mounting machine are formed in a line at a predetermined pitch. If there is no deviation between the component supply position of the tape feeder 13 and the component suction position, the position of the suction point mark 43 is set to coincide with the center of the component accommodated in the component supply tape set in the tape feeder 13. .

  Information on the position of the reference mark 24 of each tape feeder 13 is registered in the storage device 34 of the inspection computer 31 in association with the feeder ID. Information on the position of the reference mark 24 is recorded on the barcode label 35 (or electronic tag) of the tape feeder 13 so that the information on the position of the reference mark 24 is read from the barcode label 35 (or electronic tag). Also good. Alternatively, information on the position of the reference mark 24 is stored in the nonvolatile memory of the control unit of the tape feeder 13, the tape feeder 13 is placed on the feeder placing table 14, and the connector 22 of the tape feeder 13 is connected to the feeder. Information on the position of the reference mark 24 may be transferred from the control unit of the tape feeder 13 to the inspection computer 31 by being inserted and connected to the connector 18 of the mounting table 14. In the following description, the feeder ID is recorded on the bar code label 35 of the tape feeder 13, and the information on the position of the reference mark 24 of each tape feeder 13 is registered in the storage device 34 of the inspection computer 31 in association with the feeder ID. The case where this is done will be described.

The inspection computer 31 acquires registration information of the position of the reference mark 24 associated with the feeder ID read from the barcode label 35 of the tape feeder 13 to be inspected from the storage device 34, and drives the XY moving device 27. The camera 25 is moved to a predetermined imaging position where the reference mark 24 of the tape feeder 13 is stored in the field of view and functions as a control means for imaging the reference mark 24 by the camera 25, and also processes an image captured by the camera 25. It also functions as an image processing means for recognizing the reference mark 24 and detecting the position of the reference mark 24. Further, an inspection for automatically determining whether the adjustment state of the tape feeder 13 is good or not based on the position of the reference mark 24 recognized. together also function as a means, Tepufi when it is determined that the poor adjustment state of the tape feeder 13 Also functions as informing means for informing that the adjustment of the die 13 is required.

  Next, a procedure for inspecting the adjustment state of the tape feeder 13 by the feeder adjusting device 11 will be described. First, the feeder ID is read by the barcode reader 36 from the barcode label 35 of the tape feeder 13 to be inspected, the feeder ID is transferred to the inspection computer 31, and the tape feeder 13 is placed on the feeder mounting table 14. Then, the connector 22 of the tape feeder 13 is inserted and connected to the connector 18 of the feeder mounting table 14. Thereafter, the inspection tape 41 is set on the tape feeder 13, the sprocket holes 42 of the inspection tape 41 are fitted into the teeth of the sprocket of the tape feeder 13, and the tape feeder 13 is tape-fed to perform the inspection tape. The tip of 41 is sent to the tip of the tape feeder 13. When mounting a plurality of tape feeders 13 on the feeder mounting table 14, the above-described series of operations is performed for each tape feeder 13.

  On the other hand, the inspection computer 31 reads the registration information of the position of the reference mark 24 associated with the feeder ID transferred from the barcode reader 36 from the storage device 34. As a result, the inspection computer 31 acquires accurate position information of the reference mark 24 related to the tape feeder 13 placed on the feeder placement base 14. After that, the inspection computer 31 drives the XY moving device 27 so that the camera 25 has a predetermined imaging position in which the reference mark 24 of the tape feeder 13 and the suction point mark 43 of the inspection tape 41 are placed in the field of view. The reference mark 24 and the suction point mark 43 are imaged by the camera 25, and the captured image is displayed on the screen of the display device 33 as shown in FIG. On the screen of the display device 33, the permissible range of positional deviation between the reference mark 24 and the suction point mark 43 is displayed with circles A and B. Thereby, the operator visually confirms whether or not the positions of the reference mark 24 and the suction point mark 43 displayed on the screen of the display device 33 are within the circles A and B indicating the allowable range of displacement. The quality of the adjustment state of the tape feeder 13 can be visually confirmed from the display image of the display device 33.

  In this embodiment, in order to automate the inspection of the adjustment state of the tape feeder 13, the inspection computer 31 processes the image picked up by the camera 25, recognizes the reference mark 24 and the suction point mark 43, and the reference mark. 24 position (coordinate of the center of the reference mark 24) and the position of the suction point mark 43 (coordinate of the center of the suction point mark 43) are detected, and the detected position of the reference mark 24 and the position of the suction point mark 43 are respectively positions. Whether the adjustment state of the tape feeder 13 is good or not is determined based on whether or not it is within the allowable range of deviation. As a result, if the inspection computer 31 determines that the position of the detected reference mark 24 is not within the allowable range of displacement, it determines that the position of the reference mark 24 needs to be adjusted, and the reference mark 24 A warning is displayed on the screen of the display device 33 or a voice is given to indicate that adjustment of the positional deviation of 24 is necessary, and the operator is urged to adjust the position of the reference mark 24. At this time, the operator may be notified of the positional deviation amount and the deviation direction of the reference mark 24 by display or voice. When this warning is given, the operator adjusts the position of the reference mark 24 by adjusting the position of the tape feeder 13 positioned by the positioning pin 20 by adjusting the position of the positioning pin 20 of the tape feeder 13. Then, the adjustment state of the tape feeder 13 is automatically inspected again by the procedure described above.

  Further, if the inspection computer 31 determines that the position of the detected suction point mark 43 is not within the allowable range of positional deviation, the inspection computer 31 determines that the position of the suction point mark 43 needs to be adjusted, and suction A warning is displayed on the screen of the display device 33 or a voice is given to indicate that it is necessary to adjust the positional deviation of the point mark 43, and the operator is prompted to adjust the position of the suction point mark 43. At this time, the position deviation amount and the deviation direction of the suction point mark 43 may be notified to the operator by display or voice. When this warning is given, the operator adjusts the tape feed amount of one pitch feed operation of the tape feeder 13 or adjusts the mounting position of a tape feed mechanism (not shown) of the tape feeder 13. Thus, the stop position of the suction point mark 43 in the pitch feeding operation is adjusted, and the adjustment state of the tape feeder 13 is automatically inspected again by the procedure described above.

  According to the embodiment described above, the inspection computer 31 acquires the registration information of the position of the reference mark 24 associated with the feeder ID read from the barcode label 35 of the tape feeder 13 from the storage device 34, Since the XY moving device 27 is driven and the camera 25 is moved to a predetermined imaging position where the reference mark 24 of the tape feeder 13 is stored in the field of view, the camera 25 images the reference mark 24. There is no need to input information on the imaging position for moving the camera 25 in accordance with the type of the feeder 13 (information on the position of the reference mark 24), the preparation work can be simplified, and the operator inputs incorrect position information. To prevent human error. Moreover, the image captured by the camera 25 is processed by the inspection computer 31 to detect the position of the reference mark 24, and the quality of the adjustment state of the tape feeder 13 is automatically determined based on the detected position of the reference mark 24. Therefore, it is possible to automate the inspection work of the adjustment state of the tape feeder 13 and to prevent the occurrence of human error that makes a mistake in visual judgment.

  Moreover, in this embodiment, since a plurality of feeders can be mounted on the feeder mounting table 14, the cameras 25 are sequentially moved to the positions where the reference marks 24 of the respective tape feeders 13 are imaged, so that the plurality of tape feeders are moved. The thirteen adjustment states can be automatically inspected efficiently. However, it goes without saying that the present invention may have a configuration in which only one tape feeder 13 is placed on the feeder placing table 14.

  In the present embodiment, the inspection computer 41 with the suction point mark 43 is set on the tape feeder 13 mounted on the feeder mounting table 14 and the tape is fed, and the inspection computer 31 moves the XY. The apparatus 27 is driven to move the camera 25 to a predetermined imaging position where the reference mark 24 of the tape feeder 13 and the suction point mark 43 of the inspection tape 41 are in the field of view. The suction point mark 43 is imaged, the image is processed, the reference mark 24 and the suction point mark 43 are recognized, the position of the reference mark 24 and the position of the suction point mark 43 are detected, and the detected reference mark 24 is detected. The quality of the adjustment state of the tape feeder 13 is automatically determined based on whether the position and the position of the suction point mark 43 are within the allowable range of displacement. Since the can the position of the suction point mark 43 position the test tape 41 of the reference mark 24 of the tape feeder 13 and the image recognition accurately auto-detect adjustment state of the tape feeder 13.

  However, according to the present invention, a component supply tape is set in the tape feeder 13, the position of the component on the component supply tape is recognized, and the tape is determined by whether or not the component supply position is within an allowable range of displacement. You may make it determine automatically the quality of the adjustment state of the feeder 13 automatically.

Further, the feeder placed on the feeder placing table 14 is not limited to a tape feeder, and may be a bulk feeder, a stick feeder or the like.
In addition, this invention is not limited to the structure of the said Example, It cannot be overemphasized that various changes can be implemented within the range which does not deviate from a summary, for example, you may change the structure of the feeder adjustment apparatus 11 suitably.

  DESCRIPTION OF SYMBOLS 11 ... Feeder adjustment apparatus, 13 ... Tape feeder, 14 ... Feeder mounting base, 15 ... Guide groove (feeder support part), 18 ... Connector, 20 ... Positioning pin, 21 ... Positioning hole, 22 ... Connector, 24 ... Reference mark, DESCRIPTION OF SYMBOLS 25 ... Camera, 26 ... Tape pressing member, 27 ... XY moving device, 28 ... XY slide mechanism, 29 ... X-axis motor, 30 ... Y-axis motor, 31 ... Computer for inspection (control means, image processing means, inspection means) 32 ... Input device 33 ... Display device 34 ... Storage device 35 ... Bar code label (identification information recording unit) 36 ... Bar code reader (identification information acquisition means) 41 ... Test tape 42 ... Sprocket hole 43 ... Adsorption point mark

Claims (3)

In the feeder adjustment device used when the operator adjusts the feeder removed from the component mounting machine,
A feeder mounting table for mounting the feeder removed from the component mounter;
A camera that images from above the reference mark provided on the upper end surface side of the feeder placed on the feeder placement table;
An XY moving device for moving the camera in the XY direction;
Identification information acquisition means for acquiring identification information of the feeder;
Based on the identification information of the feeder acquired by the identification information acquisition means, the XY moving device is driven to move the camera to a predetermined imaging position where the reference mark of the feeder is in the field of view, and the reference mark is detected by the camera. Control means for imaging
Image processing means for processing an image captured by the camera to recognize the reference mark and detecting the position of the reference mark;
Inspection means for determining the quality of the feeder adjustment state based on the position of the reference mark detected by the image processing means ;
A feeder adjustment apparatus comprising: an informing unit for informing that the adjustment of the feeder is necessary when the inspection unit determines that the adjustment state of the feeder is not good .   2. The feeder according to claim 1, wherein the feeder mounting table is provided with a plurality of feeder support portions that support the feeder, and the feeder mounting table can be configured to mount a plurality of feeders. Adjustment device. The feeder is a tape feeder, and an inspection tape provided with a suction point mark indicating a component suction position of a suction nozzle of the component mounting machine is set on the tape feeder mounted on the feeder mounting table. In the fed state, the control means drives the XY moving device to move the camera to a predetermined imaging position where the reference mark of the tape feeder and the suction point mark of the inspection tape are in the field of view. To capture the reference mark and the suction point mark,
The image processing means processes an image captured by the camera to recognize the reference mark and the suction point mark, and detects the position of the reference mark and the position of the suction point mark.
The inspection unit determines whether or not the feeder is in an adjustment state based on whether or not the position of the reference mark and the position of the suction point mark detected by the image processing unit are within an allowable range of displacement. The feeder adjustment apparatus according to claim 1 or 2, characterized by the above-mentioned.

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