JP7157405B2 - Parts supply method - Google Patents

Description

The present invention relates to a component supply method for supplying components stored in a carrier tape to a component mounting apparatus.

In general, when a carrier tape is loaded into a feeder attached to a component supply device of a component mounting apparatus, a component matching operation is performed to associate the components contained in the feeder with the carrier tape loaded in the feeder. . Conventionally, when the feeder is removed from the slot of the component feeding device, the parts are collated by reading the bar code attached to the feeder and reading the bar code on the reel on which the carrier tape attached to the feeder is wound. After that, the feeder is mounted in a predetermined slot of the component supply device.

By the way, in recent years, for example, as described in Patent Document 1, a feeder has been developed that can automatically convey a carrier tape inserted into a tape insertion slot to a position where a component is sucked. The carrier tape can be loaded into the feeder without removing it.

Japanese Patent Publication No. 2005-539370

If a feeder capable of automatically transporting the carrier tape inserted into the tape insertion port to the position where the component is picked up is used, it is possible to load only the component while the feeder is fixed to the slot of the component supply device. becomes possible. However, in this case, the problem is how and when to collate the parts so that the correct feeders can be loaded with the parts without fail.

The present invention focuses on the above problems, and provides a component mounting system and a component supply method that can collate components without removing the feeder from the component supply device and load the component into the correct feeder. It is intended to provide

In order to solve the above-described problems, a component supply method of the present invention is a component supply device in which a carrier tape is inserted into a tape insertion port of a feeder while the feeder is attached to the feeder attachment portion of the component supply device. A component supply method for automatically conveying components to a suction position where a component mounting device picks up the components, wherein a feeder into which the carrier tape is to be inserted is attached based on information on the components stored in the carrier tape. Based on the recognition signal of the tape insertion recognition unit that guides the mounting position and recognizes the insertion of the carrier tape into the tape insertion port, it is determined whether the carrier tape has been correctly inserted into the feeder mounted at the guided mounting position. To notify the loading abnormality of a carrier tape when it is determined that the carrier tape is inserted into a feeder different from the feeder loaded at the guided loading position.

According to the present invention, since it is sufficient to insert only the carrier tape containing the components without removing the feeder from the mounting position of the component supply device, there is no need to read the bar code of the feeder, which is difficult to read, and the components can be collated. can be easily done. Moreover, since it is possible to determine whether or not the carrier tape to be inserted into the feeder has been mounted at the correct mounting position, it is possible to prevent mistakes in loading the carrier tape into the wrong feeder.

1 is a plan view showing an outline of a component supply device in a component mounting apparatus suitable for implementing the present invention; FIG. It is a side view which shows the outline|summary of the feeder with which the component supply apparatus was mounted|worn. It is a top view of the carrier tape which accommodated components. 1 is a side view of a feeder suitable for practicing the invention; FIG. 5 is an enlarged view of a part of FIG. 4; FIG. It is a block diagram which shows the control apparatus which controls a component mounting apparatus. FIG. 4 is a diagram showing a flowchart for conveying a carrier tape to a pickup position where a component is picked up; It is a flowchart which shows the procedure of component collation.

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a component mounting apparatus 10 having a component supply device 11. As shown in FIG. The component mounting apparatus 10 also has a substrate transfer device 13 (see FIG. 6) that transfers a substrate (not shown) to a component mounting position, and a suction nozzle (not shown) that picks up components supplied by the component supply device 11. , and a component mounting device 14 (see FIG. 6) for mounting the component sucked by the suction nozzle onto the board.

In the component supply device 11, a plurality of feeders 21 have slots 23 (FIG. 2 See) is detachably attached. When the feeder 21 is mounted in the slot 23, the connector 80 provided on the feeder 21 is connected to the connector 81 mounted on the feeder mounting portion 22, as shown in FIG. Power is supplied from the main body of the apparatus 10 to the feeder 21 side, and necessary information can be communicated between the feeder 21 and the component mounting apparatus 10 . The component mounting system includes component mounting apparatus 10 and feeder 21 . The component mounting apparatus 10 mounts components supplied from a plurality of feeders 21 onto a board.

As shown in FIG. 1, the feeder mounting portion 22 is provided with lamps La corresponding to the feeders 21 mounted in the slots 23 and indicating the slot positions (S1 to Sn) where the feeders 21 are to be mounted. ing. This enables the operator to correctly load the carrier tape 100 containing the predetermined components into the feeder 21 at the slot position (mounting position) where the lamp La is lit.

Two reels 24 a and 24 b around which the carrier tape 100 is wound are detachably attached to the feeder 21 . The reels 24a and 24b are provided with a bar code BC that indicates information about the components contained in the carrier tape 100 wound thereon.

As will be described later, the feeder 21 can automatically convey the carrier tape 100 inserted into the tape insertion port to a suction position where the components contained in the carrier tape are suctioned, and feed the carrier tape 100 to the tape insertion port. It has a configuration that can be discharged automatically.

As shown in FIG. 3, the carrier tape 100 has component storage portions 100a for storing a large number of components Pa such as electronic components formed at regular intervals in the longitudinal direction of the tape. A cover tape 100b is attached to the upper surface of the carrier tape 100 to close the component storage portion 100a. One side of the carrier tape 100 is pierced with sprocket holes 100c at regular intervals in the longitudinal direction of the tape, and a sprocket, which will be described later, is engaged with the sprocket holes 100c to move the carrier tape 100 forward and backward. .

Next, the configuration of the feeder 21 will be described with reference to FIGS. 4 and 5. FIG. The feeder 21 mainly includes a feeder body 21b, a first servomotor 25, a second servomotor 26, a tape insertion recognition lever 51, a first sprocket 61 and a second sprocket 62 as front sprockets, and a rear sprocket. It comprises a third sprocket 63 and a fourth sprocket 64, a tape transport rail 38, a controller 39, a cover tape peeling device 70, and the like. 4 and 5, the side wall of the feeder main body 21b is removed so that the internal structure of the feeder 21 can be visually recognized.

The tape transport rail 38 guides the transport of the carrier tape 100, and is arranged from the tape insertion opening 21d provided at the rear of the feeder main body 21b to the suction position 21a at the front. A first sprocket 61 and a second sprocket 62 that can be engaged with the feed holes 100 c of the carrier tape 100 are rotatably provided below the front portion of the tape transport rail 38 . A third sprocket 63 and a fourth sprocket 64 that can be engaged with the feed holes 100 c of the carrier tape 100 are rotatably provided below the rear portion of the tape transport rail 38 . The tape transport rail 38 is provided with window holes (not shown) so that the sprockets 61 to 64 can engage with the carrier tape 100 transported on the tape transport rail 38 .

The first servomotor 25 is a motor that rotates the first sprocket 61 and the second sprocket 62 . A rotating shaft 25 a of the first servomotor 25 is connected to the first sprocket 61 and the second sprocket 62 via a required gear mechanism 27 . The second servomotor 26 is a motor that rotates the third sprocket 63 and the fourth sprocket 64 . A rotating shaft 26 a of the second servomotor 26 is connected to the third sprocket 63 and the fourth sprocket 64 via a required gear mechanism 28 . The first and second servomotors 25 and 26 constitute a tape driving device.

The entrance pressing member 32 is arranged along the upper surface of the rear portion of the tape transport rail 38 in the vicinity of the tape insertion opening 21d, and is vertically movable so as to be separated from the tape transport rail 38. As shown in FIG. The entrance pressing member 32 is pressed downward by a spring 35-2 and normally contacts the upper surface of the tape transport rail 38. As shown in FIG. The downstream pressing member 33 presses the carrier tape 100 on the downstream side of the inlet pressing member 32 and is provided vertically movable so as to be separated from and contact with the tape transport rail 38 . The downstream pressing member 33 is pressed downward by a spring 35-1 and normally contacts the upper surface of the tape transport rail 38. As shown in FIG.

As shown in FIG. 5, at the rear of the feeder main body 21b, a tape insertion recognition lever 51 is supported at its front by a pivot 52 and is rotatable. At the central portion of the tape insertion recognizing lever 51, an operation engaging portion 51a that engages with the lower surface of the engaging member 54 provided on the entrance pressing member 32 is formed. The tape insertion recognition lever 51 is rotated counterclockwise in FIG. It is brought into contact with the tape transport rail 38 by an urging force. As a result, the tape insertion opening 21d is normally blocked by the baffle plate 56 pivotally supported at the rear portion of the entrance pressing member 32, so that the carrier tape 100 cannot be inserted through the tape insertion opening 21d.

On the other hand, when the operation knob 51b provided at the rear end of the tape insertion recognition lever 51 is lifted by the operator and the tape insertion recognition lever 51 is rotated against the biasing force of the spring 55, the operation is engaged. The joining portion 51a raises the entrance pressing member 32 against the biasing force of the spring 35-2. As a result, the entrance pressing member 32 is separated from the tape transport rail 38 to open the tape insertion opening 21d, so that the carrier tape 100 can be inserted.

A recognition sensor 83 is attached to the feeder body 21b to recognize that the tape insertion recognition lever 51 has been rotated, that is, that the carrier tape 100 can be inserted. A recognition sensor 83 is turned on by a dog 84 attached to the tape insertion recognition lever 51 . The recognition sensor 83 operated by the operation of the tape insertion recognition lever 51 constitutes a tape insertion recognition section for recognizing insertion of the carrier tape 100 into the tape insertion opening 21d.

The stopper member 31 is provided adjacent to the downstream side of the entrance pressing member 32 . The stopper member 31 is rotatable with a shaft support portion 31a provided in the intermediate portion thereof being supported by the downstream pressing member 33. As shown in FIG.

At the front of the tape insertion recognition lever 51, an operating portion 51c that can be engaged with an engaging portion 31e provided at the front of the stopper member 31 is formed. , the engaging portion 31e of the stopper member 31 is engaged with the operating portion 51c. As a result, the stopper member 31 is rotated counterclockwise in FIG. Let The rear end of the stopper member 31 is spaced apart from the tape transport rail 38 so that the carrier tape 100 can be inserted therethrough.

A dog 86 that operates a tape detection sensor 85 is rotatably supported on the downstream pressing member 33 . When the carrier tape 100 is not present on the tape transport rail 38 , the tip of the dog 86 is brought into contact with the upper surface of the tape transport rail 38 by the biasing force of a spring (not shown). When the tape 100 is inserted, it is pushed up by the carrier tape 100 to turn on the tape detection sensor 85 .

Next, the operation of feeder 21 will be described. Normally, the tape insertion recognition lever 51 is held in the state shown in FIG. 4 and FIG. It closes the tape insertion opening 21d.

In this state, when the operation knob 51b of the tape insertion recognition lever 51 is lifted by the operator, the entrance pressing member 32 is separated from the tape transport rail 38 via the operation engaging portion 51a. As a result, the tape insertion opening 21d is opened and the carrier tape 100 can be inserted. When the tape insertion recognition lever 51 is lifted, the recognition sensor 83 is operated by the dog 84, and the actuation of the tape insertion recognition lever 51, that is, the insertion of the carrier tape 100 is recognized. The operation signal of the recognition sensor 83 is transmitted to the control device 15 via the control unit 39 of the feeder 21, and the control device 15 recognizes which feeder 21 among the plurality of feeders 21 the carrier tape 100 can be inserted. be done.

In this state, the operator inserts the carrier tape 100 onto the tape transport rail 38 through the tape insertion opening 21 d until the carrier tape 100 contacts the rear end of the stopper member 31 to a predetermined position. As a result, the dog 86 is actuated by the carrier tape 100, so that the tape detection sensor 85 is turned on and the insertion of the carrier tape 100 is detected.

When the insertion of the carrier tape 100 is detected and the tape insertion recognition lever 51 is rotated and returned to the original position, the first and second servo motors 25 and 26 are driven to rotate the third and fourth sprockets 63 and 64. be done. As a result, the fourth sprocket 64 is engaged with the feed holes 100c of the carrier tape 100, and the carrier tape 100 is conveyed by the fourth sprocket 64 toward the third sprocket 63 side.

As the carrier tape 100 is conveyed by the fourth sprocket 64, the downstream holding member 33 is lifted by the carrier tape 100 against the biasing force of the spring 35-1. 38. When the feed hole 100c of the carrier tape 100 conveyed by the fourth sprocket 64 engages the third sprocket 63, the carrier tape 100 is conveyed by the third sprocket 63 to the second sprocket 62 side.

When the feed hole 100c formed in the carrier tape 100 engages the second sprocket 62, the carrier tape 100 is sent to the cover tape peeling device 70 by the second sprocket 62, and the cover tape peeling device 70 spreads the carrier tape 100 on the upper surface of the carrier tape 100. The attached cover tape 100b is peeled off. Then, when the feed holes 100c of the carrier tape 100 are engaged with the first sprocket 61, the components stored in the carrier tape 100 are successively transported to the suction position 21a, and at the suction position 21a, a suction nozzle (not shown) of the component mounting device 14 is ejected. is adsorbed by

When the carrier tape 100 is being fed by the feeder 21, the carrier tape 100 pushes up the front end of the stopper member 31, causing the stopper member 31 to rotate and the rear end of the stopper member 31 to move toward the carrier. contact the top surface of the tape 100;

Therefore, in this state, as described above, the tape insertion recognition lever 51 is rotated (recognition sensor 83 is turned ON), and the following carrier tape 100 is inserted through the tape insertion opening 21d. , and the entrance pressing member 32, the leading edge of the subsequent carrier tape 100 abuts the rear end portion of the stopper member 31 and is stopped at that position. As a result, further transport of the subsequent carrier tape 100 is blocked, and the subsequent carrier tape 100 waits at that position.

The component supply device 11, the substrate transfer device 13, the component mounting device 14, etc. of the component mounting apparatus 10 are controlled by a control device 15 shown in FIG. The control device 15 includes a CPU 201 as a central processing unit, a ROM 202 and a RAM 203 as storage devices, and an input/output interface 205 . The input/output interface 205 includes a control unit for controlling the first and second servo motors 25 and 26 provided in each feeder 21 of the component supply device 11, as well as the motors of the board transfer device 13, component mounting device 14, and the like. 206 are connected.

The input/output interface 205 is also connected to an operation panel 207 having a display device 207a such as an LCD and an input device 207b for inputting data by operating a keyboard, mouse, or the like. The display device 207a displays the components (carrier tape 100) and the like to be loaded into the feeder 21 of the component supply device 11 at the time of changeover due to the change of the board type.

The ROM 202 stores a basic program for mounting components on a board, a sequence program for controlling the sequence operation of the component mounting device 14, and the like. The RAM 203 also stores component data relating to information on components used in the production of substrates, information about which feeders 21 with what feeder IDs are mounted in which slot positions (S1 to Sn) and what components are attached to these feeders 21. It stores component placement data indicating whether or not the board is loaded, data relating to the board production schedule, and the like.

FIG. 7 shows that the carrier tape 100 is inserted into the tape insertion opening 21d of the feeder 21 with the feeder 21 attached to the feeder attachment portion 22 of the component supply device 11, and the carrier tape 100 is stored in the carrier tape 100 at the time of changeover. 4 shows a flowchart executed by a CPU 201 for automatically conveying a part Pa to a suction position 21a where a part Pa is sucked by a suction nozzle (not shown). Prior to inserting the carrier tape 100 into the tape insertion opening 21d of the feeder 21, the work of recognizing the information of the component is executed according to the procedure shown in FIG.

In step S102 of FIG. 8, the component information recognition work is carried out by reading the bar code BC attached to the reel 24a (24b) around which the carrier tape 100 to be inserted into the feeder 21 is read by a reader (not shown). to acquire information on the components stored in the carrier tape 100 . Next, in step S<b>104 , the component information acquired in step S<b>102 is transmitted to the control device 15 of the component mounting apparatus 10 .

Based on this, as shown in FIG. 7, the controller 15 first turns on the lamp La corresponding to the slot position into which the carrier tape 100 is to be inserted based on the transmitted component information in step S202. . Seeing the lighted lamp La, the operator attaches the reel 24a (24b) to the feeder 21 installed in the slot position (hereinafter referred to as the third slot position S3) and inserts the carrier tape 100. The operation knob 51b of the tape insertion recognition lever 51 of the feeder 21 mounted in the third slot position (S3) is lifted so that the tape can be inserted into the port 21d. As a result, the tape insertion opening 21d is opened, and the recognition sensor 83 is turned on by the dog 84. As shown in FIG. The ON signal of the recognition sensor 83 is sent to the controller 15 via the controller 39 .

Next, in step S206, the controller 15 determines whether or not the carrier tape 100 has been inserted into the tape insertion opening 21d based on the signal from the tape detection sensor 85 that detects the insertion of the carrier tape 100. FIG. When it is determined in step S206 that the carrier tape 100 has been inserted into the tape insertion opening 21d (determination result is YES), in step S208, the controller 15 detects the third slot position (S3) where the lamp La is lit. is correctly loaded with the carrier tape 100.

If the operator mistakenly loads the carrier tape 100 into the feeder 21 at the second or fourth slot position (S2, S4) adjacent to the third slot position (S3) where the lamp La is lit, , the determination result in step S208 is NO, and in step S212, the control device 15 notifies loading abnormality.

If the determination result in step S208 is YES, that is, if it is determined that the carrier tape 100 is definitely loaded in the third slot position (S3) where the lamp La is lit, the process proceeds to step S209. The component placement data is rewritten, and the feeder 21 at the third slot position (S3) is associated with the component information obtained in step S102. Next, in step S210, the control device 15 sends a component supply command to the control section 39 of the feeder 21 mounted at the third slot position (S3).

Based on this part supply command, the first and second servo motors 25 and 26 are driven forward by the controller 39 of the feeder 21 mounted at the third slot position (S3), and the sprockets 61 to 64 rotate the carrier. Tape 100 is advanced. As a result, the components stored in the carrier tape 100 are successively conveyed to the suction position 21a where they are sucked by the suction nozzle (not shown).

The above-described step S202 constitutes a guidance control section that guides the slot position (mounting position) of the component supply device 11 into which the carrier tape 100 should be inserted based on the component information. Further, in step S208, the carrier tape 100 is guided by the guidance control section (S202) based on the recognition signal of the tape insertion recognition section (recognition sensor 83) that recognizes the insertion of the carrier tape 100 into the tape insertion opening 21d. It constitutes a confirmation control unit that determines whether or not the card has been correctly inserted into the designated slot position. Further, when it is determined in step S210 that the carrier tape 100 has been inserted into the feeder 21 at the slot position guided by the guide control unit (step S202), a component supply command is sent to the control unit 39 of the feeder 21. It constitutes a supply command sending unit for sending.

According to the embodiment described above, the component mounting apparatus 10 has the control device 15 for controlling communication with the component supply device 11 and the feeder 21 . The control unit 15 includes a guide control unit S202 that guides the slot position (mounting position) of the component supply unit 11 into which the carrier tape 100 should be inserted based on the information on the components stored in the carrier tape 100, and the tape insertion opening 21d. confirmation to determine whether the carrier tape 100 has been correctly inserted into the slot position guided by the guidance control unit S202 based on the recognition signal of the tape insertion recognition unit (recognition sensor) 83 that recognizes the insertion of the carrier tape 100. A control unit 208 and a supply command sending unit 210 for sending a component supply command to the feeder 21 at the slot position when it is determined that the carrier tape 100 has been inserted into the slot position guided by the guidance control unit S202. .

As a result, it is sufficient to insert only the carrier tape 100 containing the components without removing the feeder 21 from the slot 23 of the component supply device 11, so that there is no need to read the bar code of the feeder 21, which is difficult to read, and the components are collated. can be easily done. Moreover, since it is possible to determine whether the carrier tape 100 to be inserted into the feeder 21 has been mounted at the correct mounting position, mistakes in loading the carrier tape 100 into the wrong feeder 21 can be suppressed.

According to the above-described embodiment, the tape insertion recognizing section is composed of the recognition sensor 83 that outputs a recognition signal based on the operation of the tape insertion recognition lever 51 provided in the tape insertion opening 21d. By operating the recognition lever 51, it is possible to accurately recognize that the carrier tape 100 can be inserted.

Further, according to the above-described embodiment, the information of the parts is read by the reading device from the reel 24a around which the carrier tape 100 is wound by the operator. can be obtained easily.

Further, according to the above-described embodiment, the guidance control unit S202 displays on the lamp La provided for each mounting position and the display device 207a provided on the component mounting apparatus 10. The carrier tape 100 can be easily inserted to the correct mounting position based on the lighting of La and the display contents of the display device 207a.

Furthermore, according to the component supply method according to the above-described embodiment, the slot position (mounting position) into which the carrier tape 100 should be inserted is guided based on the information on the components stored in the carrier tape 100, and the tape insertion opening 21d is provided. Based on the recognition signal of the tape insertion recognition unit (recognition sensor 83) that recognizes the insertion of the carrier tape 100 into the slot position, it is determined whether the carrier tape 100 has been correctly inserted into the guided slot position. , the carrier tape 100 is driven and transported to the pickup position 21a where the component is sucked when it is determined that the carrier tape 100 has been inserted into the guided slot position.

Accordingly, since it is not necessary to remove the feeder 21 from the slot 23 of the component supply device 11, it is not necessary to read the bar code of the feeder 21, which is difficult to read, and it is possible to easily collate the components. Moreover, since it can be determined whether or not the carrier tape 100 to be inserted into the feeder 21 has been loaded in the correct slot position, mistakes in loading the carrier tape 100 into the wrong feeder 21 can be suppressed.

In the above embodiment, the feeder 21 configured to allow two carrier tapes 100 to be inserted has been described, but the present invention is also applicable to the feeder 21 configured to allow only one carrier tape 100 to be inserted. In this case, the stopper member 31 for waiting the subsequent carrier tape 100, the downstream pressing member 33, and the like are not required.

In addition, in the above-described embodiment, the feeder 21 having the configuration including two sprockets 61, 62 and two sprockets 63, 64 on the front side and the rear side, respectively, has been described. is just one example suitable for the present invention. That is, any feeder 21 may be used as long as it can automatically transport the carrier tape 100 inserted into the tape insertion opening 21d to the pickup position 21a where the component is picked up.

In the above-described embodiment, insertion of a component is recognized based on the operation signal of the recognition sensor 83 by operating the tape insertion recognition lever 51 for opening the tape insertion opening 21d. A means other than 51 may be used to recognize the insertion of the component.

The present invention is not limited to the configurations described in the above embodiments, and can take various forms without departing from the gist of the present invention described in the claims.

INDUSTRIAL APPLICABILITY The component mounting system and component supply method according to the present invention are suitable for those using a feeder configured to automatically transport a carrier tape inserted into a tape insertion port to a suction position.

10: component mounting device, 11: component supply device, 15: control device, 21: feeder, 21a: suction position, 21d: tape insertion port, 22: feeder mounting part, 23: mounting position (slot position), 25, 26 : motor 39: control unit 51: tape insertion recognition lever 61 to 64: sprockets 83: tape insertion recognition unit (recognition sensor) 100: carrier tape 100a: parts storage unit 207a: display device La: lamp, S202: Guidance control unit, S208: Confirmation control unit, S210: Supply command sending unit.

Claims (3)

With the feeder attached to the feeder attachment portion of the component supply device, the carrier tape inserted into the tape insertion opening of the feeder is moved to a suction position where the component stored in the carrier tape is sucked by the component mounting device, A parts supply method for automatically conveying,
Guiding a mounting position where the feeder into which the carrier tape is to be inserted is mounted, based on information on the components stored in the carrier tape;
By separating the entrance pressing member provided on the feeder from the tape transport rail, the carrier tape can be inserted into the tape insertion opening,
determining whether the carrier tape can be inserted into the feeder mounted at the guided mounting position by a sensor that outputs a recognition signal by operating a tape insertion recognition lever provided at the tape insertion opening;
determining whether the carrier tape is correctly inserted into the feeder mounted at the guided mounting position based on a signal from a tape detection sensor that detects insertion of the carrier tape into the tape insertion port;
A component supply method for informing a loading abnormality of the carrier tape when it is determined that the carrier tape is inserted into a feeder different from the feeder installed at the guided installation position. 2. The component supply method according to claim 1, wherein the carrier tape is conveyed to the suction position when it is determined that the carrier tape is inserted into the feeder mounted at the guided mounting position. 3. The mounting position where the feeder into which the carrier tape is to be inserted is guided by a lamp provided for each of the mounting positions or a display on a display device provided in the component mounting apparatus. The parts supply method described in .

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