JP2005138260A - Suction nozzle, machine for mounting component, and apparatus for inspecting component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively prevent occurrence of identification errors when identifying kinds of suction nozzles by means of a mark identification means. <P>SOLUTION: In the suction nozzle 22 dismountably mounted to a nozzle mounting portion provided on a head unit of a machine for mounting components to a component mounting portion by sucking the component from a component supplying portion, a plurality of identification marks 35, 36 are provided on the suction nozzle 22 in a state of separating each other. The suction nozzle 22 is dismountably mounted on the machine for mounting the components and an apparatus for inspecting the components. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a suction nozzle of a head unit that picks up a component from a component supply unit of the component mounting machine and mounts it on the component mounting unit, a component mounting machine to which the suction nozzle is detachably attached, and a component inspection apparatus.

2. Description of the Related Art Conventionally, in an electronic component suction nozzle mounted on a mounting head of a component mounting machine, an identification mark for displaying the type of the suction nozzle is provided on the surface, and this identification mark is provided with a mark identification means (image recognition device) and an operator (operator). ) Is composed of recognizable characters, and the mark identification means identifies the above identification mark, making it possible to detect suction nozzle mounting errors and mounting errors, and call attention to human setting errors. Making it possible is performed (refer patent document 1).
JP-A-10-270897

  Identification information obtained by identifying the identification mark by the mark identification means when the identification nozzle composed of characters that can be recognized by both the mark identification means and the operator is provided on the suction nozzle as described above. Based on the above, it is possible to automatically detect an attachment mistake or an incorrect attachment of the suction nozzle. However, when dust adheres to the identification mark, an identification error may occur when the type of the suction nozzle is identified by the mark identification means, and it is confirmed whether the suction nozzle to be used is correct. It was difficult to fully automate the work.

  The present invention has been made in view of the above points, and an adsorption nozzle capable of effectively preventing an identification error from occurring when the type of the adsorption nozzle is identified by the mark identifying means, and the adsorption A component mounter and a component inspection apparatus to which a nozzle is detachably mounted are provided.

  The invention according to claim 1 is a suction nozzle that is detachably attached to a nozzle mounting portion provided in a component transport head unit, and is provided with a plurality of identification marks spaced apart from each other. is there.

  According to a second aspect of the present invention, in the suction nozzle according to the first aspect of the present invention, the first identification mark that can be identified by the mark identification means and the first identification mark that can be identified by the operator, A second identification mark made of a combination or the like, which can be accurately identified by the mark identifying means, is arranged at a position spaced apart from the suction nozzle.

  The invention according to claim 3 includes a head unit having a nozzle mounting portion to which the suction nozzle according to claim 1 or 2 is detachably mounted, and the head unit extends between the component supply unit and the component mounting unit. A component mounting machine configured to be movable and having a nozzle replacement station that holds a replacement nozzle disposed within the movable range of the head unit, and a nozzle holding unit provided in the nozzle replacement station; A shutter member that holds the suction nozzle in a state in which the suction nozzle is accommodated in the nozzle holding portion, a flange portion that is locked by the shutter member is provided in the suction nozzle, a plurality of identification marks are provided on the flange portion, and At least one identification mark is positioned on a portion exposed to the outside of the flange locked by the shutter member. Those were Unishi.

  According to a fourth aspect of the present invention, in the component mounting machine according to the second or third aspect, the mark identifying means for identifying a plurality of identification marks provided on the suction nozzle accommodated in the nozzle holding portion, and the mark A plurality of identification information obtained by identifying the identification mark by the identification means is analyzed, and the data analysis means for determining whether or not they match each other, and the plurality of identification information match. And a management data creating means for creating management data of the suction nozzles housed in the nozzle holding portion when it is determined.

  According to a fifth aspect of the present invention, in the component mounter according to the fourth aspect, it is determined that even one of the plurality of identification information obtained by identifying the identification mark by the mark identifying means does not match. If an error occurs, an error signal is output to the error display means.

  According to a sixth aspect of the present invention, in the component mounting machine according to the fourth aspect, when it is determined that a plurality of pieces of identification information obtained by identifying the identification marks by the mark identifying means do not match. This compares the identification information with the reference identification information registered in advance, and creates suction nozzle management data based on the identification information determined to match the reference identification information.

  The invention according to claim 7 compares a plurality of identification marks detected by the imaging apparatus with a plurality of reference identification marks registered in advance, and based on identification information corresponding to the identification mark having the highest degree of coincidence. The management data of the suction nozzle is created.

  The invention according to claim 8 is a head unit having a nozzle mounting portion to which the suction nozzle according to claim 1 or 2 is detachably mounted, a component inspection unit for inspecting a component conveyed by the head unit, A component inspection apparatus having a nozzle replacement station for holding a replacement nozzle, a mark identifying means for identifying an identification mark of a suction nozzle attached to the nozzle mounting portion, and the identification mark by the mark identifying means Analyzing a plurality of identification information obtained by identification and determining whether or not they match each other, and the nozzle when it is determined that the plurality of identification information matches each other Management data creation means for creating management data of the suction nozzles housed in the nozzle holding part of the exchange station.

  According to a ninth aspect of the present invention, in the component inspection apparatus according to the eighth aspect, when it is determined that a plurality of pieces of identification information obtained by identifying the identification marks by the mark identifying means do not match. This compares the identification information with the reference identification information registered in advance, and creates suction nozzle management data based on the identification information determined to match the reference identification information.

  According to a tenth aspect of the present invention, in the component inspection apparatus according to the eighth aspect, a plurality of identification marks detected by the imaging device are compared with a plurality of pre-registered reference identification marks, and the degree of coincidence is compared. The suction nozzle management data is created based on the identification information corresponding to the highest identification mark.

  According to the first aspect of the invention, when the suction nozzle is used, a plurality of identification marks provided at positions separated from each other are identified by the mark identification means including a CCD camera or the like. Since the identification information is obtained, it is possible to effectively prevent the suction nozzle identification error from occurring even when dust adheres to one of the identification marks. Therefore, it is possible to prevent parts from being mounted while the wrong suction nozzle is mounted on the head unit of the component mounting machine. There is an advantage that it is possible to effectively prevent the occurrence of mounting defects such as misalignment.

  According to the second aspect of the present invention, a plurality of pieces of identification information can be obtained by identifying the first and second identification marks provided at positions of the suction nozzle that are separated from each other by the mark identifying means. Even when dust adheres to one of the two identification marks, it is possible to effectively prevent the suction nozzle identification error from occurring. In addition, the operator can easily discriminate the type of the suction nozzle by identifying the first identification mark made up of the characters and the like, and the second identification mark made up of a simple combination of marks by the mark identification means. There is an advantage that the identification information of the suction nozzle can be obtained accurately and quickly.

  According to the third aspect of the present invention, based on the suction nozzle identification information obtained by identifying the identification mark by the mark identifying means in a state where the suction nozzle is held in the nozzle holding portion of the nozzle replacement station, the nozzle It is possible to correctly recognize the suction nozzle held in the holding part, and effectively prevent the occurrence of a situation where a component mounting operation is performed with the wrong suction nozzle mounted on the head unit of the component mounting machine. Can do. Further, even if the flange portion is soiled by the shutter member, there is an advantage that the suction nozzle can be accurately identified based on the identification mark provided on the portion of the flange portion that is not soiled.

  According to the fourth aspect of the present invention, when the identification data of the suction nozzle is accurately identified by the mark identifying means when creating management data based on the identification of the suction nozzle in the component mounting machine, Since the plurality of pieces of identification information obtained by identifying these identification marks coincide with each other, the management data of the suction nozzle held in the nozzle holding unit can be accurately created. On the other hand, when an identification error occurs when identifying each identification mark of the suction nozzle by the mark identifying means due to dust adhering to the identification mark, etc., it is obtained by identifying these identification marks. Since a plurality of pieces of identification information are different, it is possible to prevent the creation of inaccurate management data by prohibiting the creation of suction nozzle management data held in the nozzle holding unit.

  According to the fifth aspect of the present invention, when the management data based on the identification of the suction nozzle is created in the component mounting machine, etc., the plurality of marks identified by the mark identifying means due to dust adhering to the identification mark, etc. When one of the identification information is different from the other identification information, an error display is performed in the error display means, so that the operator can be prompted to confirm the identification error.

  According to the invention of claim 6, when creating management data based on the identification of the suction nozzle in the component mounting machine, even one of the plurality of identification information identified by the mark identifying means is different from the other identification information. If it is determined that the reference identification information is compared with the reference identification information registered in advance, the management data for the suction nozzle is determined based on the identification information determined to match the reference identification information. Therefore, the management data of the suction nozzle held in the nozzle holder can be created accurately by effectively preventing the occurrence of an identification error caused by dust adhering to the identification mark. .

  According to the seventh aspect of the present invention, the plurality of identification marks detected by the imaging device and the plurality of reference identification marks registered in advance when creating management data based on the identification of the suction nozzle in the component mounting machine, etc. And the suction nozzle management data is created based on the identification information corresponding to the identification mark having the highest degree of coincidence. Therefore, the suction nozzle management data is accurately created based on the identification mark. Can do.

  According to the eighth aspect of the present invention, when creating management data based on the identification of the suction nozzle in the component inspection apparatus, the plurality of identification marks provided at positions separated from each other by the suction nozzle are provided from the CCD camera or the like. A plurality of pieces of identification information can be obtained by identifying with the mark identifying means, so that even when dust adheres to one of the identification marks, it is effective to generate a suction nozzle identification error. Can be prevented. Therefore, there is an advantage that it is possible to effectively prevent the occurrence of an inspection error caused by inspecting a component with the wrong suction nozzle mounted in the component inspection apparatus.

  According to the ninth aspect of the present invention, when creating management data based on the identification of the suction nozzle in the component inspection, even one of the plurality of identification information identified by the mark identification means is different from the other identification information. If it is determined that the reference identification information is registered with the reference identification information registered in advance, the management data of the suction nozzle is obtained based on the identification information determined to match the reference identification information. Since it is created, it is possible to effectively prevent the occurrence of an identification error caused by dust adhering to the identification mark and accurately create the management data of the suction nozzle held in the nozzle holding unit.

  According to the invention of claim 10, when creating management data based on the identification of the suction nozzle in component inspection, etc., a plurality of identification marks detected by the imaging device, and a plurality of pre-registered reference identification marks, Since the suction nozzle management data is created based on the identification information corresponding to the identification mark having the highest degree of coincidence, the suction nozzle management data can be created accurately based on the identification mark. it can.

  Embodiments of the present invention will be described with reference to the drawings. FIG. 1 schematically shows an entire component mounter (hereinafter abbreviated as a mounter). In the figure, a substrate conveying conveyor 2 is arranged on a base 1 of a mounting machine, and a printed circuit board 3 indicated by a two-dot chain line is conveyed on the conveyor 2 and stops at a predetermined mounting position. ing.

  On the side of the conveyor 2, a component supply unit 4 including multiple rows of tape feeders 4 a is arranged. Each of the tape feeders 4a of the component supply unit 4 is configured to store electronic components such as ICs, transistors, capacitors, and the like at predetermined intervals and lead out the held tapes from the reels. The feeding of the tape by the tape feeder 4a is controlled by a ratchet type feed mechanism 1, and the tape is intermittently fed in accordance with picking up of a component by a head unit 5 described later.

  Above the base 1, a component mounting head unit 5 is provided. The head unit 5 is arranged in the X-axis direction (the direction of the conveyor 2) and the Y-axis direction (the direction perpendicular to the X-axis on the plane). Is configured to move. Further, a nozzle exchange station 34, which will be described later, is provided at a predetermined position within the movable range of the head unit 5 on the base 1, and the suction nozzle 22 attached to the head unit 5 is exchanged at the nozzle exchange station 34. It has come to be.

  Specifically, a pair of rails 6 extending in the Y-axis direction on the base 1 are extended, and a head unit support member 7 is installed on both rails 6. The head unit support member 7 is screwed with a ball screw shaft 9 via a nut portion 8, and the ball screw shaft 9 is connected to a rotation shaft of a Y-axis servo motor 10. The head unit support member 7 has a guide member 11 extending in the X-axis direction, and the head unit 5 is movable along the guide member 11. The head unit 5 is moved in the X-axis direction via a ball screw shaft (not shown) by driving the X-axis motor 12.

  FIG. 2 is a front view showing a specific configuration of the head unit 5 and shows a state in which one head 20 is moved to the lowermost end and the other head 20 is moved to the uppermost end. In the figure, a head 20 for adsorbing components is mounted on the head unit 5, and in this embodiment, two heads are arranged side by side in the X-axis direction. Each of the heads 20 includes a nozzle shaft 21 and a suction nozzle 22 attached to the lower end portion of the nozzle shaft 21, and is moved up and down (Z-axis direction) by an elevating drive unit using a Z-axis servo motor 26 as a drive source. In addition to being driven, it is configured to be driven in the rotational direction (R-axis direction) by a rotational drive means using the R-axis servomotor 30 as a drive source.

  Specifically, the structure shown in the figure is described. A frame 23 that rotatably holds the nozzle shaft 21 is attached to the head unit 5 via a guide 24 so as to be movable up and down, and a nut portion ( (Not shown) is screwed to the ball screw shaft 25, and this ball screw shaft 25 is connected to a Z-axis servo motor 26. When the ball screw shaft 25 is rotated by the Z-axis servo motor 26, the frame 23 and The nozzle shaft 21 moves up and down.

  The nozzle shaft 21 includes an upper spline shaft 21a, a driven shaft 21b rotatably supported by the frame 23 and connected to the spline shaft 21a via a flexible joint 27, and the driven shaft in the frame 23. The nozzle mounting portion is composed of a nozzle holding shaft 21c coupled to 21b. The spline shaft 21a is inserted into a rotatable outer cylinder (not shown) having a pulley 32, rotates in conjunction with this, and is slidable in the Z-axis direction with respect to the outer cylinder. The pulley 32 is rotationally driven by the R-axis servomotor 30 via the transmission belt 31, and the nozzle shaft 21 is rotated accordingly. A passage for air supply / discharge (not shown) is formed inside the nozzle shaft 21, and this passage is connected to a decompression device and a pressurization device (not shown) via a switching valve. .

  As shown in FIGS. 3 and 4, the suction nozzle 22 is provided at a sandwiched portion 22 a sandwiched by a nozzle mounting portion provided at the lower end portion of the nozzle shaft 21 and at a lower end portion of the sandwiched portion 22 a. It consists of a disc-shaped flange portion 22b and a component suction portion 22c made of a cylindrical body. On one side of the flange portion 22b, a positioning notch 22d for accommodating the suction nozzle 22 in the nozzle holding portion 38 of the nozzle replacement station 34 is formed.

  On the upper surface of the flange portion 22b, a first identification mark 35 composed of a combination of a symbol such as an alphabet and the like that can be identified by both an operator and a mark identifying means described later, and a black and white that can be identified by the mark identifying means. A mark, that is, a second identification mark 36 made of a combination of simple symbols in which specific positions of the mark positions divided into two columns and four rows are painted black is provided across the sandwiched portion 22a. In addition, on the left and right sides of the second identification mark 36, index marks 37 made of bold symbols are provided to indicate the display position of the second identification mark 36.

  As shown in FIGS. 5 to 7, the nozzle replacement station 34 has a large-diameter first recess 38 a that houses the flange 22 b of the suction nozzle 22 and a small-diameter second recess that houses the component suction portion 22 c. A plurality of nozzle holding portions 38 including 38b are provided, and various suction nozzles 22 are accommodated in the nozzle holding portion 38 in a state where the sandwiched portion 22a of the suction nozzle 22 protrudes upward.

  The nozzle replacement station 34 is slidably provided with a shutter member 39 for holding the suction nozzles 22 on the nozzle holding portion 38 by engaging both side portions of the upper surface of the flange portion 22. A positioning pin 40 that is engaged with a notch 22d formed in the flange portion 22 of the suction nozzle 22 protrudes from one side of the first recess 38a. Then, when the suction nozzle 22 is accommodated in the nozzle holding portion 38, the flange portion 22 is formed by aligning the suction nozzle 22 so that the positioning pin 40 engages the notch 22 d of the suction nozzle 22. The display positions of the first and second identification marks 35 and 36 and the index mark 37 so that the first and second identification marks 35 and 36 and the index mark 37 are arranged along the center of the nozzle exchange station 34. Is preset.

  The shutter member 39 is made of a plate material in which a plurality of arc-shaped notches 39a having a slightly larger diameter than the flange portion 22 of the suction nozzle 22 are formed at regular intervals, and is slid along the upper surface of the nozzle replacement station 34. As a result, as shown in FIG. 6, the notch 39a is located in the installation position of the nozzle holding part 38, and as shown in FIG. 7, the notch 39a is adjacent to each other. It is comprised so that it may displace to the latching state located between.

  Further, as shown in FIG. 8, the mounting machine is provided with a mark identifying means 41 including a CCD camera or the like mounted on the head unit 5, and this mark identifying means 41 uses the nozzle holding portion 38 of the nozzle exchange station 34. Information analyzing means 42 for analyzing the identification information of the suction nozzle 22 obtained by identifying the first and second identification marks 35, 36 and the index mark 37 of the suction nozzle 22 held in the head, and the information analysis means 42, management data creation means 43 for creating management data of the suction nozzle 22 held in the nozzle exchange station 34 based on the output signal 42, and a necessary mounting nozzle 22 based on this management data and the like. There is provided a control unit having a mounting control means 44 for executing a component mounting operation according to the above.

  The information analysis unit 42 determines the presence / absence of the suction nozzle 22 held in the nozzle holding unit 38 of the nozzle replacement station 34 based on the identification information output from the mark identification unit 41, and uses this presence / absence information to generate the management data. In addition to outputting to the means 43, it is determined whether or not the first and second identification marks 35 and 36 and the index mark 37 can be identified. An error signal is output to the error display means 45 comprising:

  Also, whether the identification information of the suction nozzle 22 obtained by identifying the first and second identification marks 35 and 36 of the suction nozzle 22 by the mark identification means 41 mounted on the head unit 5 matches each other. Whether or not the information is analyzed is determined by the information analysis unit 42, and when it is determined that they match, the identification information is output to the management data generation unit 43. Based on the output signal of the information analyzing means 42, management data including the type and the presence / absence of the suction nozzle 22 held in each nozzle holding section 38 of the nozzle exchange station 34 is automatically created by the management data creating means 43. It is supposed to be updated automatically.

  When the suction nozzle 22 configured as described above is not in use, as shown in FIG. 5, the shutter member 39 is shown in FIG. 7 in a state where the suction nozzle 22 is accommodated in the nozzle holding portion 38 of the nozzle replacement station 34. By setting the locking position shown, the flange 22b of the suction nozzle 22 is locked and the suction nozzle 22 is held by the nozzle holding portion 38. Then, the identification information of the suction nozzle 22 held in the nozzle holding portion 38 is acquired by the identification operation by the mark identification means 41, and the management data of the suction nozzle 22 is created based on this identification information.

  That is, as shown in FIG. 9, after the mark identifying means 41 composed of a CCD camera or the like mounted on the head unit 5 is moved above the central portion of the nozzle holding portion 38 (step S <b> 1), the suction nozzle 22 is provided. The first and second identification marks 35 and 36 and the index mark 37 are identified by the mark identification means 41 (step S2). Then, based on the identification data output from the mark identifying means 41, it is determined whether or not the suction nozzle 22 is held in the nozzle holding portion 38 (step S3). After nozzle-less data indicating that the suction nozzle 22 is not held in the holding unit 38 is output to the management data creation means 38 (step S4), the process proceeds to step S11 described later to create management data for the suction nozzle 22 To do.

  When it is determined as YES in step S3 and it is confirmed that the suction nozzle 22 is held in the nozzle holding portion 38, whether or not the bold mark index mark 37 is identified by the mark identifying means 41. Is determined (step S5). If NO is determined in step S5, an error signal indicating that an identification error of the suction nozzle 22 has occurred is output to the error display means 45 (step S6), and a display for calling the operator is displayed as an error. This is executed in the display means 45 (step S7).

  If it is determined YES in step S5 and it is confirmed that the index mark 37 has been identified, it is determined whether or not the mark identifying means 41 has identified the second identification mark 36 that is a black and white mark ( Step S8) If NO is determined, the process proceeds to Step S6 and an error signal is output.

  If it is determined YES in step S8 and it is confirmed that the second identification mark 36 has been identified, the mark identification means 41 identifies the first identification mark 35 made up of a combination of symbols and numbers. If it is determined NO, the process proceeds to step S6 and an error signal is output.

  When it is determined as YES in step S9 and it is confirmed that the first identification mark 35 is identified, both identification information obtained by identifying the first and second identification marks 35 and 36 is It is determined whether or not they match each other (step S10). If NO is determined, the process proceeds to step S6 and an error signal is output.

  On the other hand, when it is determined as YES in step S10 and it is confirmed that the identification information of the suction nozzle 22 obtained by identifying the first and second identification marks 35 and 36 matches each other, The management data creation unit 43 creates management data for the suction nozzle 22 corresponding to the identification information, and then returns (step S11).

  When replacing the suction nozzle 22 used in the mounting machine, the shutter member 39 provided in the nozzle replacement station 34 is displaced to the open position shown in FIG. While releasing the holding state of the suction nozzle 22, the suction nozzle 22 mounted on the head unit 5 is moved to the empty space of the nozzle exchange station 34 to accommodate the suction nozzle 22 in the nozzle holding portion 38.

  When the suction nozzle 22 is accommodated in the nozzle holder 38, the first and second identification marks are obtained by engaging the positioning pins 40 provided in the nozzle replacement station 34 with the notches 22d of the suction nozzle 22. 35 and 36 and the index mark 37 are arranged along the central portion of the nozzle exchange station 34, that is, along the non-installation position of the shutter member 39. As a result, the first and second identification marks 35 and 36 and the index mark 37 are exposed to the outside while the suction nozzle is locked by the shutter member 39.

  Next, after moving the nozzle mounting portion of the head unit 5 above the central portion of the nozzle holding portion 38 where the new suction nozzle 22 is held, the nozzle mounting portion is lowered to attach the new suction nozzle 22 to the nozzle. By replacing the suction nozzle 22 with the mounting unit, replacement of the suction nozzle 22 mounted on the mounting machine is completed.

  As described above, a plurality of identification marks 35 and 36 are attached to the suction nozzle 22 that is detachably attached to the nozzle attachment portion provided in the head unit 5 of the mounting machine that picks up the component from the component supply portion and mounts it on the component mounting portion. A plurality of identification information is obtained by identifying the plurality of identification marks by the mark identification means 41 comprising a CCD camera or the like when the suction nozzle 22 is used, etc., provided separately from each other. Even when dust adheres to one of the marks 35 and 36, it is possible to effectively prevent the suction nozzle 22 from being identified. Therefore, it is possible to prevent the component mounting operation from being performed while the wrong suction nozzle 22 is mounted on the head unit 5 of the mounting machine, and the component can be dropped from the suction nozzle 22 during the component mounting operation. It is possible to effectively prevent a mounting failure such as a shift of the mounting position.

  Further, in the above embodiment, the first identification mark 35 that is composed of characters such as a combination of a symbol and a number that can be identified by the operator, and that can be identified by the mark identifying means 41, and a simple combination of marks. Since the suction nozzle 22 is provided with the second identification mark 36 made of (black and white mark) and accurately identified by the mark identifying means 41, the operator identifies the type of the suction nozzle 22 by identifying the first identification mark 35. In addition to being able to easily discriminate, it is possible to effectively prevent the occurrence of an identification error when identifying the second identification mark 36 by the mark identifying means 41 and obtain the identification information of the suction nozzle 22 accurately and quickly. There is an advantage that can be.

  In particular, as shown in the above-described embodiment, when the index marks 37 made of bold circle symbols are arranged on the left and right of the second identification mark 36 made of a black and white mark, the mark identification means 41 causes the second identification mark 36 to be At the time of identification, there is an advantage that the second identification mark 36 can be easily identified by accurately specifying the installation position of the second identification mark 36 according to the position of the index mark 37.

  In the above-described embodiment, the nozzle holding unit 38 provided in the nozzle exchange station 34 that accommodates the plurality of suction nozzles 22, and the shutter member 39 that holds the suction nozzles 22 in the nozzle holding unit 38. In the mounting machine provided, a flange portion 22b locked by the shutter member 39 is provided in the suction nozzle 22, and a plurality of identification marks 35 are formed on a portion exposed to the outside of the flange portion 22b locked by the shutter member 39. , 36 and so on, a plurality of identifications obtained by identifying the identification marks 35, 36 by the mark identification means 41 in a state where the suction nozzle 22 is held by the nozzle holding unit 38 of the nozzle exchange station 34. Based on the information, the management data of the suction nozzle 22 held in the nozzle holding unit 38 is accurately created. It is possible, there is an advantage that the wrong suction nozzle 22 can be effectively prevented the occurrence of a situation that the mounting work of components is performed in a state mounted on the head unit 5 of the mounting machine.

  It should be noted that a first identification mark 35 made up of characters, etc. and a second identification mark 36 made up of a combination of simple marks, etc. on the flange portion 22 of the suction nozzle 22 are external to the flange portion 22b locked by the shutter member 39. In place of the above-described configuration, the first and second identification information 35, 36 and the like are positioned at a portion exposed to the outside of the flange portion 22b locked by the shutter member 39. You may do it.

  As shown in the above embodiment, the mark identifying means 41 for identifying a plurality of identification marks 35, 36, etc. provided on the suction nozzle 22 accommodated in the nozzle holding portion 38, and the mark identifying means 41 A plurality of identification information obtained by identifying 35 and 36 is analyzed, and it is determined that the data analysis means 42 for determining whether or not they match each other and the plurality of identification information match. According to the mounting machine provided with the management data creation means 43 for creating the management data of the suction nozzles 22 accommodated in the nozzle holding part 38 in the case of the above, the mark identification means 41 makes the identification marks 35, When 36 is correctly identified, a plurality of pieces of identification information obtained by identifying these identification marks 35 and 36 coincide with each other. The management data of the suction nozzles 22 held by the Le holding portion 38 can be made accurately.

  On the other hand, if an identification error occurs when the mark identification means 41 identifies each identification mark 35, 36 of the suction nozzle 22 due to dust adhering to the identification marks 35, 36, these identifications are made. Since a plurality of pieces of identification information obtained by identifying the marks 35 and 36 are different from each other, inaccurate management is performed by prohibiting creation of management data of the suction nozzle 22 held in the nozzle holding unit 38. It is possible to prevent the data from being created, and to effectively prevent the selection error of the suction nozzle 22 mounted on the mounting machine based on the inaccurate management data.

  In addition, when an identification error occurs when the mark identification means 41 identifies the identification marks 35 and 36 of the suction nozzle 22, the error display means 45 displays a message for calling an operator and The operation may be stopped.

  In the above embodiment, the mounting machine that mounts components on the printed circuit board 2 has been described. However, the present invention can also be applied to a component inspection apparatus that inspects electronic components such as IC chips. That is, as shown in FIG. 10, on the base 47 of the component inspection device 46, a component inspection unit including a plurality of component storage portions 48a for storing components, an inspection socket 49 for inspecting the components, and the above mounting machine A nozzle exchange station configured in the same manner as the nozzle exchange station 34, that is, a nozzle exchange station 34 having a plurality of nozzle holding portions 38 as shown in FIG.

  Further, a head 51 for sucking components is installed above the component accommodating portion 48a so as to be movable in the X and Y directions in the figure. The components sucked by the head 51 are transported onto a pair of left and right movable tables 52. The movable table 52 is configured to move between a receiving position P1 that receives a part from the head 51 and a delivery position P2 that is displaced in the Y direction and delivers the part to a conveying head 53A, 53B described later. ing.

  Above the movable table 52, transport head units 53A and 53B having attachment portions for the suction nozzle 22 for sucking parts on the movable table 52 moved to the delivery position P2 are provided. These transfer head units 53A and 53B are each installed so as to be movable in the X direction in the figure, and in the state where the parts on each movable table 52 are adsorbed by the adsorption nozzle 22, the installation section of the inspection socket 49 is installed. It is comprised so that it may convey.

  In such a component inspection apparatus, the mark identification means 41 including a CCD camera or the like for identifying the identification marks 35 and 36 of the suction nozzle 22 held by the nozzle replacement unit 34 is provided in the transport head units 53A and 53B. As shown in FIG. 11, a data analysis unit 42 that analyzes a plurality of pieces of identification information obtained by identifying the identification mark by the mark identification unit 41 and determines whether or not they match each other, When the identification information is different from the management data creation means 43 that creates the management data of the suction nozzle 22 held in the nozzle holding unit 38 when it is determined that a plurality of pieces of identification information match each other. Based on the error display means 45 for displaying an error at the same time and the management data, the necessary suction nozzle 22 is selected and the inspection device 4 It may be the provided structure inspection control unit 50 for executing the inspection work of the parts due.

  According to the above configuration, when inspecting a part using the suction nozzle 22, the plurality of identification marks 35, 36, etc. provided at positions away from each other of the suction nozzle are marked with a CCD camera or the like. Since a plurality of pieces of identification information are obtained by identifying with the means 41, even when dust is attached to one of the identification marks 35, 36, etc., an identification error of the suction nozzle 22 occurs. It can be effectively prevented. Therefore, there is an advantage that it is possible to effectively prevent the occurrence of an inspection error due to the inspection of the component with the wrong suction nozzle 22 mounted on the component inspection device 46.

  The first identification mark 35 is not limited to the combination of the above symbol and number, and various modes that can be identified by both the operator and the mark identification means 41 can be adopted. In addition, the second identification mark 36 and the index mark 37 are also in the form that can be accurately recognized by the mark identifying means 41, that is, in the form in which the identification error is less likely to occur due to adhesion of dust or the like. The present invention is not limited to the bold symbol and can be changed to various modes such as a barcode or a star. Further, the positions and the number of the identification marks 35, 36 and the like are not limited to the above embodiment, and various changes can be made. Furthermore, a structure in which a plurality of identification marks made of the same symbol or combination of marks is provided on the suction nozzle 22 may be adopted.

  When the plurality of pieces of identification information obtained by identifying each identification mark by the mark identifying unit 41 match, management data is created by the management data creating unit, and the management data etc. When a mounting operation or a component inspection operation is executed and it is determined that even one of the plurality of identification information does not match the other information, an identification error of the suction nozzle 22 has occurred. May be output to the error display means 45, and the mounting operation or the like may be stopped as necessary to reliably prevent the suction nozzle 22 from being identified.

  In addition, when it is determined that at least one of a plurality of identification information obtained by identifying each identification mark by the mark identifying means 41 does not match information with the other, the identification information is registered in advance. The reference identification information is compared, and the management data of the suction nozzle 22 is created based on the identification information determined to match, and the mounting work or the component inspection work based on the management data May be executed.

  Further, a plurality of identification marks detected by an imaging device such as a CCD camera are compared with a plurality of reference identification marks registered in advance, and an identification mark having the highest degree of coincidence is selected. The suction nozzle management data may be created based on the identification information corresponding to the highest identification mark, and the mounting work or the part inspection work based on the management data may be executed.

  In addition, when it is determined that at least one of a plurality of pieces of identification information obtained by identifying each identification mark by the mark identification unit 41 does not match information with the other, the information is displayed on the display unit. By outputting or the like, it may be left to the operator's judgment or the like which identification information is correct.

It is a top view which shows the mounting machine with which this invention is applied. It is a front view of the head unit in the same mounting machine. It is a front view which shows the specific structure of a suction nozzle. It is a top view which shows the specific structure of a suction nozzle. It is sectional drawing which shows the state which accommodated the suction nozzle in the nozzle holding | maintenance part. It is a top view which shows the state which accommodated the suction nozzle in the nozzle holding | maintenance part. It is a top view which shows the holding | maintenance state of a suction nozzle. It is a block diagram which shows the specific structure of the control unit provided in the mounting machine. It is a flowchart which shows the identification control operation | movement of an identification mark. It is a top view which shows the specific structure of a component inspection apparatus. It is a block diagram which shows the specific structure of the control unit provided in the component inspection apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 4 Component supply part 5 Head unit 22 Adsorption nozzle 22b Flange part 34 Nozzle exchange station 35 1st identification information 36 2nd identification information 38 Nozzle holding part 39 Shutter member 41 Mark identification means 42 Information analysis means 43 Management data preparation means 46 Component inspection apparatus

Claims (10)

  A suction nozzle, which is detachably attached to a nozzle mounting portion provided in a component transport head unit, wherein a plurality of identification marks are provided at a distance from each other.   A first identification mark that can be identified by the operator and that can also be identified by the mark identifying means, and a second identification mark that is composed of a combination of simple marks and can be accurately identified by the mark identifying means The suction nozzle according to claim 1, wherein the suction nozzle is disposed at a position spaced apart from each other.   A head unit having a nozzle mounting part to which the suction nozzle according to claim 1 or 2 is detachably mounted is configured to be movable between a component supply unit and a component mounting unit, and is exchanged. The nozzle exchange station that holds the nozzles for use is a component mounting machine disposed within the movable range of the head unit, and the nozzle holder provided in the nozzle exchange station and the suction nozzles are accommodated in the nozzle holder A flange member that is held by the shutter member, a flange portion that is locked by the shutter member is provided in the suction nozzle, a plurality of identification marks are provided on the flange portion, and a flange portion that is locked by the shutter member is provided. It is characterized in that at least one identification mark is positioned on a part exposed to the outside Goods mounting machine.   Mark identification means for identifying a plurality of identification marks provided on the suction nozzle accommodated in the nozzle holding portion, and analyzing the plurality of identification information obtained by identifying the identification marks with this mark identification means, Data analysis means for determining whether or not they match each other, and management for creating management data for the suction nozzles housed in the nozzle holder when it is determined that the plurality of identification information matches The component mounting machine according to claim 2, further comprising a data creation unit.   An error signal is output to the error display means when it is determined that even one of a plurality of pieces of identification information obtained by identifying the identification mark by the mark identification means does not match. Item 5. The mounting machine according to item 4.   When it is determined that the plurality of identification information obtained by identifying the identification mark by the mark identification means does not match, the identification information is compared with the reference identification information registered in advance. The mounting machine according to claim 4, wherein the management data of the suction nozzle is created based on the identification information determined to match the reference identification information.   A plurality of identification marks detected by the imaging device are compared with a plurality of pre-registered reference identification marks, and management data for the suction nozzle is created based on the identification information corresponding to the identification mark having the highest degree of coincidence. The mounting machine according to claim 4, wherein:   A head unit having a nozzle mounting portion to which the suction nozzle according to claim 1 is detachably mounted, a component inspection unit that inspects a component conveyed by the head unit, and a nozzle replacement station that holds a replacement nozzle And a plurality of mark identification means for identifying the identification mark of the suction nozzle attached to the nozzle attachment portion, and a plurality of the identification marks obtained by identifying the identification mark with the mark identification means. Data analysis means for analyzing identification information and determining whether or not they match each other, and when it is determined that a plurality of identification information matches each other, is stored in the nozzle holder of the nozzle exchange station. And a management data creation means for creating management data for the suction nozzles.   When it is determined that the plurality of identification information obtained by identifying the identification mark by the mark identification means does not match, the identification information is compared with the reference identification information registered in advance. 9. The component inspection apparatus according to claim 8, wherein the management data of the suction nozzle is created based on the identification information determined to match the reference identification information.   A plurality of identification marks detected by the imaging device are compared with a plurality of pre-registered reference identification marks, and management data for the suction nozzle is created based on the identification information corresponding to the identification mark having the highest degree of coincidence. The component inspection apparatus according to claim 7.